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Articles by Ruchi Tiwari
Total Records ( 28 ) for Ruchi Tiwari
  Lokesh Kumar Bhati , Gaurav Tiwari , Ruchi Tiwari and Vijay Kumar
  Investigation on binary and ternary systems of β-cyclodextrin (β-CD) and hydroxypropyl-β cyclodextrin (HPβ-CD) with Polyvinylpyrrolidone (PVP) on the solubility of Meloxicam (MX) was studied. Phase solubility analysis with PVP K-30 v was used to investigate interactions in aqueous solution between MX and the carrier, either alone or in combination. Equimolar MX and both CDs solid systems, in the presence or the absence of 0.4% (w/w) PVP, were prepared by kneading, co-evaporation or freeze-drying and characterized by differential scanning calorimetry, X-ray powder diffraction analysis, scanning electron microscopy, infrared spectroscopy and dissolution studies. The combined use of PVP and CDs resulted in a synergistic increasing effect of the aqueous solubility of MX. The phenomenon was interpreted in terms of the strongest complexation capacity of CDs towards MX. The positive effect of PVP K30 also reflected on MX dissolution rates from solid preparations, because all ternary systems, with exception of physical mixtures, dissolved faster than the corresponding MX-CDs binary systems the results of solid state studies accounted for the occurrence of stronger interaction in ternary than in binary systems.
  Amit Kumar Verma , Kuldeep Dhama , Sandip Chakraborty , Amit Kumar , Ruchi Tiwari , Anu Rahal , Mahima and Shoor Vir Singh
  Since, last several years, efforts are going on to eradicate or eliminate a number of infectious diseases of animals, with mixed success. Basically for eradicating, eliminating or controlling any infectious disease isolation and quarantine of sick animals as well as animals suspected for disease; strengthening disease monitoring and surveillance, effective vaccines and vaccination strategies along with other control measures including of treatment are of utmost importance. Most importantly a significant knowledge is required for countering infectious diseases and assessing the criteria for selection of disease to be eradicated next. The role of environmental factors in the process of disease dynamics need to be understood which further plays a contributory role in the process of combating and elimination of diseases. Despite continuous efforts against animal diseases like Rinderpest, Contagious bovine pleuropneumonia (CBPP) and Foot-and-mouth disease, Rinderpest (cattle plague) is the only one that is successfully eradicated till date in India. However, control programmes on CBPP also brought a significant reduction in the incidence of the disease but eradication status is yet to be declared. While the other disease control programmes viz., Foot-and-Mouth Disease Control Programme (FMDCP), National Control Programme on Brucellosis (NCPB), National Control Programme of Peste des Petits Ruminants (NCPPPR) and Avian Influenza: Preparedness, Control and Containment could not achieve the desired success. Nowadays, with the achievement of the global eradication status on rinderpest there is again a renewed interest in disease eradication and control of infectious diseases of animals and alleviating their public health concerns. The focus is also being given in the 12th five year plan of the country on monitoring and control of certain animal diseases of economic importance. In view of above facts, this is right time to discuss the strategies for combating and eradicating important infectious diseases of animals with particular reference to India, achievements of global rinderpest eradication programme and reasons thereof and possibly apply lessons while planning for the future activities. This article describes various prevention and control strategies for controlling the infectious diseases of animals that have been or should be targeted for eradication or elimination, direct and indirect benefits from control programmes, issues and opportunities for the future.
  Ruchi Tiwari , Kuldeep Dhama , Sandip Chakraborty and Sanjay Kapoor
  As promising antibacterials, endolysins own several pertinent features viz., diverse novel mode of action, antibacterial spectrum, low probability of developing resistance and being highly active with explicit specificity against host bacteria. Bacteriophage endolysins are mureolytic enzymes which facilitate direct targeting of peptidoglycan bonds in the bacterial cell wall. Encoded by the bacteriophage genome they are synthesized at the end of the phage lytic life cycle, headed for lysing host cell and releasing newly produced virions. In addition to this “lysis from within”, endolysins from phages of gram-positive hosts are also able to swiftly lyse bacteria upon exogenous application. Lysozyme as well as endopeptidase like lysostaphine have been recommended in neonatal streptococcal and staphylococcal infection, respectively. Literature reveals strong potential of phage enzymes in human health care and veterinary medicine for control of pathogens and treatment of diverse systemic infections. They have wide applications in pathogen detection and development of diagnostics, as a means of biodefence, eliminating food pathogens and in control of phytopathogens. The defensins and cathelicidins can be exploited as enzybiotics among other families of antimicrobial peptide gene. In innate immunity such antibiotic peptides that are endogenous in nature play crucial role and forms first line of defense for protecting internal as well as external body surfaces of the host. The important portals of enzybiotics (EnzyBase and phiBIOTICS) are playing crucial role for disseminating the state of knowledge of enzybiotics. The present review discusses the widespread potential of various bacteriophage lysins/enzybiotics in the perspective of future antibacterial drug development.
  Amit Kumar Verma , Ruchi Tiwari , Sandip Chakraborty , Neha , Mani Saminathan , Kuldeep Dhama and Shoor Vir Singh
  Bovine tuberculosis (bTB) is a zoonotic disease transmitted from animals to human and makes significant economic impacts due to high cost of eradication programs, trade restriction and serious consequences regarding public health thereby causing human tuberculosis. Mycobacterium bovis is the main etiological agent of bTB which is an acid fast staining bacterium due to waxy substance (mycolic acid) present in its bacterial cell wall. The bacteria can be transmitted by both aerogenous and enterogenous routes. Disease causes development of miliary tubercular lesions, chronic cough, obstructions of air passages and alimentary tract or blood vessels and enlargement of lymph nodes. A spectrum of Cell-Mediated Immune responses (CMI) predominate infection, projecting the role of macrophages and T-cell populations. In advanced stage, there is increased humoral response. Polymerase Chain Reaction (PCR) and real time quantitative PCR (RT-qPCR) have been widely used for the detection of M. tuberculosis complex in clinical samples. Single intradermal test, short thermal test and Stormont tests are the valuable delayed type of hypersensitivity tests. Gamma interferon assay, lymphocyte proliferation assay, Enzyme Linked Immune Sorbent Assay (ELISA), multiantigen print immunoassay (MAPIA), Fluorescent Polarization Assay (FPA), immunochromatographic lateral flow test, single antigen as well as multiplex chemiluminescence assays are the various blood-based laboratory tests. Attenuated bovine-strain of tuberculosis bacterium, known as Bacillus of Calmette and Guerin (BCG) is used as vaccine. The present review addresses important insights into the bovine TB, a complex and multi-species disease, the etiological agent, advances and trends in its diagnosis, vaccine development and treatment options and the public health significance of this important disease which would altogether help devising effective strategies for prevention and control of tuberculosis in cattle as well as in wildlife.
  Mani Saminathan , Ram Bahal Rai , Kuldeep Dhama , Ruchi Tiwari , Sandip Chakraborty , Amarpal , Gopikunte Jayaramaiah Ranganath and Kandasamy Kannan
  The miracle medicinal plant Morinda citrifolia L., also called as Noni, Great Morinda or Indian mulberry, belongs to the family Rubiaceae. Its fruit has been used traditionally for more than 2000 years by native Polynesians. However, all parts of the plant have medicinal properties. More than 160 phytochemicals have been isolated from the plant Noni which makes it an amazing herbal remedy for the treatment of numerous disorders including cancer. Recently, the Noni juice has been in high demand in market as Complementary and Alternative Medicine (CAM) for its multi-dimensional health benefits. It is a potent antibacterial, antiviral, antifungal, antihelminthic, anticancer, analgesic, anti-inflammatory, anti-oxidant, hypotensive, cardiovascular protective, wound healer, anxiolytic, sedative, antigout, antiobesity and immune enhancing agent. Anticancerous activity of Morinda citrifolia is attributable to its anti-inflammatory, antioxidant and apoptosis-inducing effects. Based on toxicological and mutagenicity assessment, Noni juice has been considered as safe. Few reports of hepatotoxicity exist, although there are many evidences suggesting hepatoprotective effects of Noni. Even though large number of in vitro studies has been carried out but only few clinical trials exist in the literature to suggest real beneficial effects of Noni in humans. Recently, Noni fruit juice has been accepted as a novel food element in the European Union. A number of scientific studies have been conducted to elucidate the mechanism of action of phytoconstituents of Noni. In this review, active phytochemical constituents, pharmacological properties, mechanism of action and various immunomodulatory and therapeutic potentials of Noni usage as a useful herbal medicine are discussed in detail which could be very helpful in safeguarding health of humans and their companion animals. A special focus has been made on the potent utility of this wonderful herbal plant in preventing and treating the deadly malady of cancer.
  Kuldeep Dhama , Ruchi Tiwari , Sandip Chakraborty , Mani Saminathan , Amit Kumar , K. Karthik , Mohd. Yaqoob Wani , Amarpal , Shoor Vir Singh and Anu Rahal
  Owing to rising incidences of antimicrobial resistance against various chemotherapeutic and antimicrobial agents, the treatment of bacterial infections requires special consideration that may otherwise lead to grave prognosis. Simultaneously, evolution of many a Multiple Drug Resistant (MDR) bacterial strains have further aggravated the present situation. In this scenario, scrutinizing for some alternative yet effective antibacterial therapeutics like herbs, nutritional immunomodulators, bacteriophages, avian egge antibodies and others have become need of the day. Herbs have been a valuable source of medication in virtually all cultures and societies worldwide due to their important antimicrobial principles and phytoconstituents and wider therapeutic potentials. As various extracts of herbs and medicinal plants are being reported with antibacterial activities, much effort should be made in their identification, studying biologically active ingredients, efficacy and potency testing and scientific validation for their significant and practical multi-beneficial uses. The present review elaborates the potential role and applications of several herbs in treating bacterial infections and various types of bacterial diseases for safeguarding health of humans and their companion animals. It highlights the salient beneficial applications of traditional herbs and novel phytomedicines, from ancient periods to modern usages. Due emphasis has been given regarding scientific approaches to be followed and future perspectives with a vision to counter the emerging antimicrobial resistance. The review will certainly promote and popularize herbs as alternatives to conventional antimicrobials, particularly in the event of emerging MDR bacterial infections. Global usages of herbs as alternative and complementary medicines to various antimicrobials would lead not only to safeguard health issues and obtain optimum production from animals but will also ensure the public health issues including of food safety concerns viz., antibiotic residual effects in animal products (milk, meat) and zoonotic threats.
  Kuldeep Dhama , Ruchi Tiwari , Rifat Ullah Khan , Sandip Chakraborty , Marappan Gopi , Kumaragurubaran Karthik , Mani Saminathan , Perumal Arumugam Desingu and Lakshmi Tulasi Sunkara
  A substantial growth in poultry industry has been observed mainly due to exploitation of various modern growth promoting strategies and appropriate disease preventive and control measures. The present review describes the various essential growth promoters and novel feed supplements, their salient features, classical examples, bioactive principles, pharmacological and modes of action and useful applications for improving poultry production and health. It highlights antibiotics, probiotics, prebiotics, synbiotics, organic acids, vitamins and minerals, oils, enzymes, amino acids, betaine, carnitine, L-arginine, ractopamine, nucleotides, electrolytes, herbs, panchgavya elements. Apart from boosting poultry production and safeguarding general health of birds some of these have been found to possess beneficial immunomodulatory and stress relieving properties and also have added advantages to help produce lean meat and designer poultry products taking into account health awareness and preferences of the consumers. It is a comprehensive and an updated review compilation focusing the salient aspects of various important growth promoters and feed additives having potential applications to promote poultry production and health. Due care has been taken to cover the ongoing trends and recent advances with a perspective vision and their holistic usages and beneficial applications in poultry production system. The contents of the review will be highly useful for researchers, scientists, pharmacists, veterinary professionals, pharmaceutical industries, poultry producers/owners and poultry industry as well as for perspective applications in livestock industry. It would enrich the knowledge of researchers and help the scientific community to conduct more research on such daily essential requirements for boosting poultry production in a better way. It will also shed light regarding the management and production aspects of poultry especially broilers which will enlighten farmers and poultry producers for better economic growth.
  Rifat Ullah Khan , Shabana Naz , Kuldeep Dhama , Mani Saminathan , Ruchi Tiwari , Gwang Joo Jeon , Vito Laudadio and Vincenzo Tufarelli
  Trace elements supplementation is now widely considered not only essential but also beneficial to avian species. In the last few decades, chromium (Cr) has been considered to play important role in livestock and poultry nutrition, production and health and also as a potent toxin depending on the dosage levels. It has been documented that chromium may enhance growth rate and egg quality in meat and egg type chickens, respectively. Chromium is identified as an essential nutritional supplement and it has been utilized for weight gain, to improve Feed Conversion Ratio (FCR), increase relative organ weight, muscle development and relative breast mass, that’s why Cr has been a popular mineral supplement. It is also a potent antioxidant and hypocholesterimic agent. It increases the retention of other essential elements in blood and decreases their excretion. The beneficial effects of Cr have been linked with improved nutrient digestion and enhanced metabolism. Chromium (Cr) supplementation may improve function of various digestive organs such as liver and pancreas with regards to secretion of digestive enzymes. Supplementation of Cr has promising effects on the immune system by way of relative increase in lymphoid organ weight (bursa of Fabricius, spleen and thymus), decreased heterophil:lymphocyte ratio, enhanced antibody response against infectious diseases and increased Cell-Mediated Immune (CMI) response. In the current review some of the beneficial aspects of Cr in poultry nutrition and their possible mechanisms of actions are discussed with a view to explore and promote its optimum utilization in poultry production and health.
  Mahima , Amit Kumar Verma , Ruchi Tiwari , K. Karthik , Sandip Chakraborty , Rajib Deb and Kuldeep Dhama
  Earth is rich in variety of plant species including the beneficial one having some medicinal properties. The use of herbal medicines for the treatment of various diseases like hepatitis, arthritis, chronic heart diseases, skin disorders, wounds and even cancer have been mentioned in our ‘ayurveda’ and proved scientifically by many researchers of modern times. Now-a-days, fruits and vegetables are gaining popularity in medicine for treating mastitis, foot-and-mouth disease, skin allergies, hypersensitivity reaction, tympany, food poisoning, retention of placenta etc. These medicines are suitable for both the human as well as animals being cost economic and without side effects. Out of 21,000 medicinal plants listed by World Health organization, 2,500 species are found in India making India the largest potential producer of medicinal herbs. The plant or herbs particularly the fruits and vegetables are the cheapest and most common store of nutrients viz., carbohydrates, protein, vitamin, minerals and essential amino acids along with dietary fiber and thus reducing the risk of cardiovascular and metabolic diseases and obesity. Apart from this, fruits and vegetables also supply additional vitamins and minerals to the diet and are important sources of phytochemicals that play important role as antioxidants, phytoestrogens and anti-inflammatory agents and through various protective mechanisms. Fruits and vegetables have the potential to develop nutritional ingredients and supplements, causing a change in the perception of horticultural crops and products and helps in anaerobic digestion. The present review discusses the role of fiber and health benefits of fruits and vegetables for humans and their companion animals.
  Ruchi Tiwari , Amit Kumar Verma , Sandip Chakraborty , Kuldeep Dhama and Shoor Vir Singh
  Since ancient era, herbal therapy remained as medicine’s backbone which is economic, safer and easily available to most of people in world. Among diverse herbal treasure, Azadirachta indica (Neem) is a highly esteemed tree with several beneficial properties and applications especially known for its incredible therapeutic and ethnomedicinal values for humankind. Neem is regarded as “free tree of India”, “wonder tree”, “Nature’s drug store”, Village dispensary”, “Divine tree”, “heal all”, “Materia medica” and “Panacea of all Diseases”. It is among highly exploited medicinal plant of Indian origin. It has been used in different medicinal systems: ayurveda, unani, homoeopathic medicine, therefore, considered as cynosure of modern medicine. All parts of the plant have some biological and medicinal properties hence valuable source of natural medicinal products. Compounds isolated from neem are broadly classified into two: (1) Isoprenoids (2) Non-isoprenoids. Isoprenoid compounds consists of diterpenoids, triterpenoids and steroids while while non-isoprenoids contains proteins and/or amino acids, polysaccharides, flavonoids etc. It is found beneficial in leprosy, gastro-intestinal problems, malaria, intestinal helminthiasis, tuberculosis, ringworms, skin disorders, boils, epilepsy, fever, respiratory distress, nausea, ulcers and in many other health related problems. This review gives a bird’s eye view particularly on history, classification, active principles, mechanism of action and potential uses of neem in safeguarding human and animal health along with the several commercial preparations available in the market.
  Ruchi Tiwari , Sandip Chakraborty , Mani Saminathan , Kuldeep Dhama and Shoor Vir Singh
  Ashwagandha (Withania somnifera) is a well known herb possessing several health benefits. The steroidal lactones (withanolides) obtained from its roots have been implicated in a wide range of therapeutic activities and maintaining general health: Immunomodulation, combating infectious agents, anti-cancer and anti-epileptic, memory enhancer, to promote good physical and mental health, mood elevator, diuretic, general tonic and rejuvenator, stress reliever, cardiorespiratory endurance enhancer, anti-ageing, anti-oxidant, hypoglycemic, hypocholesterolemic and in common an effective adaptogen. Steroidal alkaloids and lactones are the active constituents of the plant. Withanolides as per theory occupies the receptor sites in the cell membrane thereby preventing the attachment and subsequent exertion of the effect of actual hormone. Withanolides have got analgesic and anti-inflammatory activity due to cyclooxygenase-2 inhibition property. Ashwagandha enhances nitric oxide synthatase activity of the macrophages, which in turn increases the microbial killing power of these immune cells thereby enhancing the Cell Mediated Immune (CMI) response. A glycoprotein Glycowithanolides (WSG) commonly known as W. somnifera glycoprotein is responsible for antimicrobial activity. Milk supplemented with Ashwagandha has been reported to increase total proteins and body weight and the plant alone helps in inducing tolerance and dependence. Its anti-stress and radiosensitization action; beneficial effects on cardiovascular system and sexual behavior; curative properties against neurodegenerative diseases and poisoning due to toxins and chemicals (including snake venom) has made this plant a treasure of nature. Thus the plant is an important component of many polyherbal preparations. Important for researchers and scientists is that biotechnologically advanced techniques; novel disciplines of bioinformatics and genomics can help in identifying and generating bioactive principles of the plant. All these salient health applications of this herb in biomedicine and veterinary sciences are discussed in this review focusing its potent role in maintaining sound health, immunomodulatory effects, combating infections, therapeutic usages and other beneficial applications.
  Shoor Vir Singh , Saurabh Gupta , Kundan Kumar Chaubey , Krishna Dutta Rawat , Naveen Kumar , Jagdip Singh Sohal , Sarjeet Singh , Ruchi Tiwari , Sandip Chakraborty and Kuldeep Dhama
  Bovine Johne’s Disease (BJD) is a chronic granulomatous enteritis that affects ruminants worldwide and is having significant impact on the world economy and has been frequently reported from farm and farmer’s herds. An attack of Johne’s disease in a newly established cattle dairy farm consisting of high yielding Holstein Friesian (HF) cows in the Alwar district of Rajasthan was investigated for the first time in India. Since slaughter of cows is prohibited in India therefore management of bovine JD is critical for the success of dairy industry in the country and in this aspect the research paper is significant. Out of a total of 35 fecal samples screened by microscopy, 24 (68.5%) were positive for Mycobacterium avium subspecies paratuberculosis (MAP). Screening of 26 serum and 23 milk samples by ‘Indigenous ELISA kit’ employing semi-purified antigen of native strain (‘S 5’) of MAP, 24 (92.3%) and 14 (60.8%) were positive, respectively. Sensitivity of ‘Indigenous serum ELISA’ with reference to fecal microscopy and milk ELISA was 88.2 and 90.0%, respectively. Screening of blood samples of 14 cows, by specific PCR (IS900), 5 (35.7%) were positive. Genotyping of PCR positive HF crossbred cows using IS1311 PCR-REA showed presence of highly pathogenic ‘Indian Bison type’ genotype. Comparison of 3 tests (milk ELISA, fecal microscopy and IS900 PCR) with ‘Indigenous serum ELISA’ revealed substantial agreement between tests. Study also reported serious economic losses in terms of productivity (reduced quality and quantity of milk), reduced fertility and conception, decreased body weight and growth rate which left the farmer economy devastated due to attack of Johne’s disease in high yielding cattle herd of HF crossbred cows.
  Kuldeep Dhama , Shyma K. Latheef , Hari Abdul Samad , Sandip Chakraborty , Ruchi Tiwari , Amit Kumar and Anu Rahal
  Signaling molecules of immune system are cytokines that may either stimulate or suppress the responses of various cells involved in host immune mechanisms and Tumor Necrosis Factor (TNF) is one of the leading members of the group of cytokines. TNF-α from activated macrophages and LT-α/TNF-Β from T cells have now become representatives of a distinctive superfamily of cytokine ligands (TNF ligand superfamily) along with their corresponding receptors (TNF receptor superfamily); altogether constituting the TNF Superfamily. These are highly conserved proteins, found in all mammals having important ligand members which interact with the either of the two receptors, TNFR1 and TNFR2, that initiate varied signaling cascades leading to diverse cellular responses. It has been established that the appropriate regulation of TNF ligand and receptor interactions and functions are crucial for the proper immune system activity. Excessive production of various TNF cytokines has been attributed with the development of an array of autoimmune as well as inflammatory conditions. TNF cytokines help to reduce mortality due to cardiovascular diseases. Therapeutic TNF blockers include:monoclonal antibodies to TNF (Infliximab and Adalumimab) and TNF receptor fusion proteins (Etanercept and Lenercept) and are effective against rheumatoid arthritis; ankylosing spondylitis; psoriasis and asthma. Preclinical studies conducted in murine models and the pivotal role played by the TNF superfamily in cytokine mediator system will make it easier for researchers as well as scientists to develop novel drugs in near future. This review has covered all these aspects concerning TNF as mediator of inflammatory diseases and its therapeutic targeting.
  Kuldeep Dhama , Sandip Chakraborty , Ruchi Tiwari , Amit Kumar , Anu Rahal , Shyma K. Latheef , Mohd Yaqoob Wani and Sanjay Kapoor
  Avian/Bird flu, caused by Avian Influenza Virus (AIV) belonging to Orthomyxoviridae family, is the most fearful viral disease of birds. H5N1 subtype of AIV is of major concern for poultry as well as for humans due to its high economical impacts and zoonotic concerns. During the past ten years, the Highly Pathogenic Avian Influenza (HPAI) H5N1 subtype alone has affected more than 60 countries of the world. Domestic poultry is mostly affected by the disease episodes and outbreaks. Wild and migratory birds are the AIV reservoirs wherein H5N1 is found to be lethal. Major antigenic changes in Haemagglutinin (HA) or Neuraminidase (NA) result in periodic pandemics. Pigs can act as mixing vessel. The bird flu virus if gets the capability of transmitting from human to human can trigger a pandemic claiming millions of lives. A wide variety of serological tests and molecular tools have greatly aided in the diagnosis of avian flu. Disease management for the prevention of bird flu outbreaks including mass awareness and pandemic preparedness following World Health Organization (WHO) guidelines is of utmost importance. Interesting approaches of HPAI control are development of universal influenza virus vaccines and universal antibodies-based flu therapies. Vaccination using inactivated and recombinant vaccines is the common strategy adopted in different parts of the globe. Development of new generation vaccines is quiet noteworthy. Tamiflu is the drug of choice. Herbal therapy is gaining much attention to control disease in humans. All these aspects of the bird flu virus have been discussed vividly in the present review.
  Mahima , Anu Rahal , Rajib Deb , Shyma K. Latheef , Hari Abdul Samad , Ruchi Tiwari , Amit Kumar Verma , Amit Kumar and K. Dhama
  Herbs/Botanical plants are considered as God’s gift to human beings in the form of natural medicines, like the one well known “Sanjeevani booti” described in Hindu Mythology. The traditional and ethno-veterinary practices have been in use for centuries, transferring the knowledge from generation to generation and they are accessible, easy to prepare and administer, with little or no cost at all. Even though the modern developments in therapeutic field brought about a rapid decline in traditional medicine, the plant-based remedies are still having a crucial role as potential source of therapeutic aids in health systems all over the world for both humans and animals. Among the 21,000 medicinal plants listed by the World Health Organization (WHO), 2500 species are native to India, which stands first in the production of medicinal herbs. This innumerable treasure of medicinal herbs brings India the distinction of ‘the botanical garden of the world’. Nowadays immune-based therapies are gaining more importance than monovalent approaches which are having limited benefits. Apart from the actions like treating diseases, control of ecto- and endo-parasites, fertility enhancement, bone setting and poor mothering management, an array of herbal medicines have been reported which are having immunomodulatory effects like modulation of cytokine secretion, histamine release, immunoglobulin secretion, class switching, cellular co-receptor expression, lymphocyte expression, phagocytosis and so on. The present article describes in brief few of these important ones viz., ashwagandha, amla, tulsi, arjuna, aloe vera, garlic, turmeric, ginger, shatavari, neem, guduchi, kiwifruit, tut, kamala, palashlata, kokilaksha etc. being used for human and animal health benefits.
  Kuldeep Dhama , Amit Kumar Verma , S. Rajagunalan , Rajib Deb , K. Karthik , Sanjay Kapoor , Mahima , Ruchi Tiwari , Parmod Kumar Panwar and Sandip Chakraborty
  Flu viruses have mainly affected humans, birds and pigs worldwide. During the past 10 years these viruses are in limelight at a global level due to pandemic threats of Avian / Bird Flu and Swine Flu and their public health impacts, with added pandemic of swine flu virus recently. The current ongoing episodes of bird flu and swine flu are beyond the control, when and where or which country they start with nobody can predict. The continuous evolution and emergence of new strains indicate that the flu viruses are becoming more and more dangerous and this situation has posed a challenge to researchers to discover effective vaccines and therapeutics. Moreover, the role of pig as ‘mixing bowl’ for the virus to get reassorted has added to the complicated epidemiological scenario. The swine flu H1N1 reassorted subtype caused the first global pandemic in last 40 years, resulting in substantial illness, hospitalizations of millions of peoples and thousands of deaths throughout the world. A pace is there within these novel and emerging flu viruses and the scientific community, where the scientific community has to win the race so as to save the mankind. In this review, a brief overview on swine flu is presented highlighting the characteristics of the causative virus, the disease and its public health consequences, advances made in its diagnosis, vaccine and control, precautionary measures to be adapted in the wake of an outbreak.
  Kuldeep Dhama , Sandip Chakraborty , Mahima , Mohd. Yaqoob Wani , Amit Kumar Verma , Rajib Deb , Ruchi Tiwari and Sanjay Kapoor
  Modern medicine has helped to a great extent to eradicate and cure several diseases of mankind and animals. But the existence of incurable diseases like cancer, Acquired Immunodeficiency Syndrome (AIDS), diabetes or rheumatoid arthritis, side effects of allopathic medicine, increasing trend of antibiotic resistance and chemicals and biopesticides causing dietary risk have made the situation more critical than ever before. Thus, it has become a matter of concern for the scientists and researchers to develop novel therapies. Bacteriophage therapy to treat pathogenic bacterial infections, virophage therapy for conservation of global system and avian egg yolk antibody therapy for designing prophylactic strategies against Gastrointestinal (GI) diseases are interesting approaches. Others include the use of cytokines as adjunctive immunomodulators, gene therapy focusing on diseases caused by single gene defects, RNAi technology to suppress specific gene of interest and apoptins for cancer treatment. Stem cell therapy against several diseases and ailments has also been discussed. The use of nanoparticles for better drug delivery, even though costly, has been given equal importance. Nevertheless, immunomodulation, be it through physiological, chemical or microbial products, or through essential micronutrients, probiotics, herbs or cow therapy prove to be cost-effective, causing minimum adverse reactions when compared to allopathy. Development in the field of molecular biology has created an enormous impact on vaccine development. The present review deals with all these novel and emerging therapies essential to safeguard the health of humans and companion animals.
  Shoor Vir Singh , Kuldeep Dhama , Kundan Kumar Chaubey , Naveen Kumar , Pravin Kumar Singh , Jagdip Singh Sohal , Saurabh Gupta , Ajay Vir Singh , Amit Kumar Verma , Ruchi Tiwari , Mahima , S. Chakraborty and Rajib Deb
  Johne’s disease or Paratuberculosis has emerged as major infectious disease of animals in general and domestic livestock in particular on global basis. There have been major initiatives in developed countries for the control of this incurable malady of animals and human beings alike (inflammatory bowel disease or Crohn’s disease). Disease has not received similar attention due to inherent complexities of disease, diagnosis and control, in resource poor counties around the world. However, the rich genetic diverstiy of the otherwise low productive animal population offers opportunity for the control of Johne’s disease and improve per animal productivity. Present review aims to gather and compile information available on genetics or resistance to Johne’s disease and its future exploitation by resource poor countries rich in animal diversity. This review will also help to create awareness and share knowledge and experience on prevalence and opportunities for control of Johne’s disease in the livestock population to boost per animal productivity among developing and poor countries of the world. Breeding of animals for disease resistance provides good, safe, effective and cheaper way of controlling Johne’s disease in animals, with especial reference to domestic livestock of developing and poor countries. Study will help to establish better understanding of the correlation between host cell factors and resistance to MAP infection which may have ultimately help in the control of Johne’s disease in future.
  Kuldeep Dhama , Amit Kumar Verma , S. Rajagunalan , Amit Kumar , Ruchi Tiwari , Sandip Chakraborty and Rajesh Kumar
  Listeriosis is a disease that causes septicemia or encephalitis in humans, animals and birds. Although, the disease is rare and sporadic in poultry but if occurs then causes septicemia or sometimes localized encephalitis. Occasionally, the disease is seen in young chicks and the causative agent, like in humans and animals, is Listeria monocytogenes. The organism is capable to infect almost all animals and poultry; however, outbreaks of listeriosis are infrequent in birds. It is widely distributed among avian species and chickens, turkeys, waterfowl (geese, ducks), game birds, pigeons, parrots, wood grouse, snowy owl, eagle, canaries, which appear to be the most commonly affected. Chickens are thought to be the carriers of Listeria and also the prime reservoirs for the infection and thus contaminate the litter and environment of the poultry production units. Listeriosis is often noticed along with other poultry diseases such as coccidiosis, infectious coryza, salmonellosis, campylobacteriosis and parasitic infections, signifying the opportunistic nature of the organism. Intestinal colonization of poultry and the presence of L. monocytogenes in feces represent a potential source of the organism for listeriosis in ruminants. Man gets infection from raw broiler meat due to Listeria contamination and unhygienic conditions of the processing area, rather than acquiring direct infection from birds. With the changing food habits of the people, the health consciousness is also increasing and since listeriosis has now been recognized as an emerging food borne zoonoses. Therefore, this review has been compiled to make aware the poultry producers and the consumers of poultry meat/products regarding the importance of the disease and its public health significance.
  Mahima , Abhijeet M. Ingle , Amit Kumar Verma , Ruchi Tiwari , K. Karthik , Sandip Chakraborty , Rajib Deb , S. Rajagunalan , Rajesh Rathore and Kuldeep Dhama
  There are ongoing trends of immunomodulation to combat a vast range of human and animal diseases including the incurable diseases like viral diseases, cancers, autoimmune diseases and inflammatory conditions. Animate as well as non-animate factors, surrounding us are interacting with our immune system. A balanced diet should contain all essential components from energy to vitamin and trace minerals. Each of these constituent has a very special effect on the immune system starting from their development to active role in immunity therefore, the outcome of their deficiency often ends in disease. Edible items which we consume like various vegetables, spices, herbs, fruits etc., are also equally responsible in manipulation of our system either in positive or negative way. Water has biggest share in our body and acts as the main medium to support the activities of the different system of body without exception of immune system. Proper environmental temperature is essential to maintain body’s functions and experiments carried out regarding the effect of temperature suggest that extremes of the temperature are often cause immunosuppression directly by acting on the cells of immunity or indirectly through inducing stress and thereby increasing production of catecholamine which are potent anti-immune molecules. Various pathogenic as well as non-pathogenic bacteria cause immune suppression and immune potentiation, respectively. Proper exercise hold a prime position in the healthy life as it supports immunity and keeps disease away. The present review deals with all these immunomodulators having both positive and negative impact on the health status of an individual.
  Rajib Deb , Amit Kumar , Sandip Chakraborty , Amit Kumar Verma , Ruchi Tiwari , Kuldeep Dhama , Umesh Singh and Sushil Kumar
  Mastitis (inflammation of mammary gland) is a most devastating disease condition in terms of economic losses occurring throughout the world. The etiological agents may vary from place to place depending on climate; animal species and animal husbandry and include wide variety of gram positive and gram negative bacteria; and fungi. They may be either contagious viz. Staphylococcus aureus; Streptococcus agalactiae or environmental viz. S. dysgalactiae, S. uberis, Corynebacterium bovis and Coagulase negative Staphylococcus. Conventional diagnostic tests viz. California Mastitis Test (CMT); R-mastitest and Mast-O-test methods are applied under field conditions; whereas somatic cell count and Bulk Tank Somatic Cell Count (BTSCC) are useful for early mastitis detection and detection of sub clinical or chronic mastitis respectively. In vitro culture based diagnosis require further study as they can detect only viable cells. The advent of Polymerase Chain Reaction (PCR) technology along with its various versions like multiplex and real time PCR has improved the rapidity and sensitivity of diagnosis. Circulating micro RNA (miRNA) based diagnosis; immune assay and proteomics based detection along with biochips and biosensors prove to be asset to diagnosticians for advanced diagnosis of this economically important condition. Improvement of milking hygiene; implementation of post-milking teat disinfection; regular control of the milking equipments; implementation of milking order; Improvement of bedding material are the general measures to prevent new cases of mastitis. The use of antibiotics (intramammary infusions; bacteriocins) and herbs (Terminalia spp.) are important for prophylaxis and therapeutics. Vaccines viz. cell based; Recombinant (staphylococcal enterotoxin type C mutant) or chimeric (pauA); live (S. uberis 0140J stain based) and bacterial surface extract based; DNA-based and DNA-protein based have greatly aided in management of bovine mastitis. Quorum sensing and disease resistant breeding using novel biomarkers viz. toll like receptors (TLR) 2 and 4, interleukin (IL) 8; breast cancer type 1 susceptibility protein (BRCA1) and calcium channel voltage-dependent alpha 2/delta sub unit 1 (CACNA2D1) are also indispensable. This mini review gives an overview of all these different aspects that act as trend setters as far as the diagnosis and control of bovine mastitis is concerned to help the diagnosticians; epidemiologists and researchers not to remain ignorant about this grave condition.
  Kuldeep Dhama , Sandip Chakraborty , Amit Kumar Verma , Ruchi Tiwari , Rajamani Barathidasan , Amit Kumar and Shambhu Dayal Singh
  Fungal/mycotic diseases cause significant economic losses to the poultry industry either due to their direct infectious nature or due to production of mycotoxins, the secondary fungal metabolites produced in grains or poultry feed. Several fungi have created havoc in the poultry industry and some of them cause direct harm to human health due to their zoonotic implications. They are responsible for high morbidity and mortality, especially in young birds and cause stunted growth and diarrhea; and fatal encephalitis. Mycotic dermatitis is a possible health hazard associated with poultry houses. Mycotoxins are the leading cause of producing immunosuppression in birds, which makes them prone to several bacterial and viral infections leading to huge economic losses to the poultry industry. In comparison to bacterial and viral diseases, advances in diagnosis, treatment, prevention and control of fungal diseases in poultry has not taken much attention. Recently, molecular biological tools have been explored for rapid and accurate diagnosis of important fungal infections. Effective prevention and control measures include: appropriate hygiene, sanitation and disinfection, strict biosecurity programme and regular surveillance/monitoring of fungal infections as well as following judicious use of anti-fungal drugs. Precautionary measures during crop production, harvesting and storing and in feed mixing plants can help to check the fungal infections including health hazards of mycotoxins/mycotoxicosis. The present review describes the fungal pathogens causing diseases in poultry/birds, especially focusing to their diagnosis, prevention and control measures, which would help in formulating appropriate strategies to have a check and control on these unwanted troubles to the poultry producers/farmers.
  Rajib Deb , Sandip Chakraborty , Mahima , Amit Kumar Verma , Ruchi Tiwari and Kuldeep Dhama
  Nutrigenomics a novel era in genomics research is based on puzzling issue on how nutrition and genes re-interacts. Perusal of literature reveals that very few information are available in this field and especially when it is associated with puberty in cattle which is a multigenic trait of great economic importance. Thus it opens a new area of research interest. Various markers like-gonadotropin releasing hormone/GNRH (responsible for sexual differentiation and reproduction), interstitial growth regulating factor/IGF1 (having signal controlling reproduction function linked to somatic growth); circulating metabolic hormones viz., leptin apart from GnRH and IGF1 (having impact on testicular development in peripubertal bull) are proved to be associated with male puberty in cattle. Various minerals (copper, selenium, manganese, zinc, chromium, iron and molybdenum) and vitamins (Vit. A, D, E and C) are directly or indirectly linked to male puberty. But no research till today initiated how the nutrients effect on the transcriptome/proteome/ metabolome level of marker genes associated with male puberty in cattle. Application of nanotechnology to make food safer for promotion of good health has created much excitement and nanoparticles has been developed against infectious diseases (e.g., Campylobacteriosis) affecting puberty along with certain nanocarriers that can facilitate the uptake of essential nutrients associated with puberty. Much of nutrigenomics research is however in infancy and hence the present mini-review will allow building the concept among researchers and scientists to initiate research in this interesting area.
  Ruchi Tiwari , Sandip Chakraborty , Kuldeep Dhama , Mohd. Yaqoob Wani , Amit Kumar and Sanjay Kapoor
  Darwin’s theory of natural selection and concept of survival of fittest of Wallace is a universal truth which derives the force of life among all live entities on this biosphere. Issues regarding food safety along with increased drug resistance and emerging zoonotic infections have proved that multidisciplinary efforts are in demand for human and animal welfare. This has led to development of various novel therapies the list of which remains incomplete without mentioning about phages. Homologous and non-homologous recombination along with point mutation and addition of new genes play role in their evolution. The rapid emergence of the antibiotic resistant strains of bacteria have created keen interest in finding necessary alternatives to check microbial infections and there comes the importance of phages. Phages kill the bacteria either by lysis or by releasing holins. Bacteriophages; the viruses that live on bacteria are nowadays considered as the best biocontrol agents. They are used as replacers of antibiotics; food industry promoter; guard of aquatic life as well as of plants; pre-slaughter treatment agents; Generally Recognized As Safe (GRAS) food additives; Typing agent of bacteria; active tool of super bug therapy; in post harvest crops and food and during post infection and also to combat intracellular pathogens viz. Mycobacteria and Mycoplasma. Cyanophages/phycophages are particularly useful in controlling blooms produced by various genera of algae and cyanobacteria. By performing centrifugation studies and based on electron microscopy certain virus like particles containing ds RNA have been confirmed as mycophages. They are well proven as threat to pathogenic fungi (both fungal hyphae and yeast). Those that infect yeasts are called zymophages. Virophages have exquisite specificity for their viral host, hence can extensively be used for genetic studies and can also act as evolutionary link. After the discovery of very first virophage till now, a total of 3 virophages have been discovered including the Sputnik virophages that are used to study genetic recombination. Virophages also find their application in antiviral therapy; as engineer of ecological system etc. In brief, present review deals with various dimensions of these beneficial viruses that are being used and can be successfully used in future for safeguarding biosphere including animal and human health.
  Ruchi Tiwari , Kuldeep Dhama , Sandip Chakraborty , Amit Kumar , Anu Rahal and Sanjay Kapoor
  Since the discovery of bacteriophages at the beginning of the 19th century their contribution to bacterial evolution and ecology and use in a variety of applications in biotechnology and medicine has been recognized and understood. Bacteriophages are natural bacterial killers, proven as best biocontrol agents due to their ability to lyse host bacterial cells specifically thereby helping in disease prevention and control. The requirement of such therapeutic approach is straight away required in view of the global emergence of Multidrug Resistant (MDR) strains of bacteria and rapidly developing resistance to antibiotics in both animals and humans along with increasing food safety concerns incuding of residual antibiotic toxicities. Phage typing is a popular tool to differentiate bacterial isolates and to identify and characterize outbreak-associated strains of Salmonella, Campylobacter, Escherichia and Listeria. Numerous methods viz. plaque morphology, ultracentrifugation in the density gradient of CsCl2, and random amplified polymorphic DNA (RAPD) have been found to be effective in detection of various phages. Bacteriophages have been isolated and recovered from samples of animal waste products of different livestock farms. High titer cocktails of broad spectrum lytic bacteriophages are usually used for clinical trial for assessing their therapeutic efficacy against antibiotic unresponsive infections in different animals. Bacteriophage therapy also helps to fight various bacterial infections of poultry viz. colibacillosis, salmonellosis and listeriosis. Moreover, the utility of phages concerning biosafety has raised the importance to explore and popularize the therapeutic dimension of this promising novel therapy which forms the topic of discussion of the present review.
  Kuldeep Dhama , K. Karthik , Sandip Chakraborty , Ruchi Tiwari , Sanjay Kapoor , Amit Kumar and Prasad Thomas
  Diagnosis is an important part in case of animal husbandry as treatment of a disease depends on it. Advancement in molecular biology has generated various sophisticated tools like Polymerase Chain Reaction (PCR), its versions along with pen-side diagnostic techniques. Every diagnostic test however has both advantages and disadvantages; PCR is not an exception to this statement. To ease the odds faced by PCR several non-PCR techniques which can amplify DNA at a constant temperature has become the need of hour, thus generating a variety of isothermal amplification techniques including Nucleic Acid Sequence-Based Amplification (NASBA) along with Self-Sustained Sequence Replication (3SR) and Strand Displacement Amplification (SDA) and Loop mediated isothermal amplification (LAMP) test. LAMP stands out to be a good and effective diagnostic test for empowering in developing countries as it does not require sophisticated equipments and skilled personnel and proves to be cost-effective. Performance of LAMP mainly relies on crafting of six primers (including 2 loop primers) ultimately accelerating the reaction. LAMP amplifies DNA in the process pyrophosphates are formed causing turbidity that facilitates visualisation in a more effective way than PCR. The Bst and Bsm polymerase are the required enzymes for LAMP that does not possess 5'-3' exonuclease activity. Results can be visualized by adding DNA binding dye, SYBR green. LAMP is more stable than PCR and real-time PCR. Non-involvement of template DNA preparation and ability to generate 109 copies of DNA are added benefits that make it more effective than NASBA or 3SR and SDA. Thus, it fetches researcher’s interest in developing various versions of LAMP viz., its combination with lateral flow assay or micro LAMP and more recently lyophilized and electric (e) LAMP. Availability of ready to use LAMP kits has helped diagnosis of almost all pathogens. LAMP associated technologies however needs to be developed as a part of LAMP platform rather than developing them as separate entities. This review deals with all these salient features of this newly developed tool that has enlightened the world of diagnosis.
  Mohd Yaqoob Wani , Kuldeep Dhama , Shyma K. Latheef , Rajamani Barathidassan , Ruchi Tiwari , Sandip Chakraborty , Milind Madhukar Chawak and Shambhu Dayal Singh
  Chicken Infectious Anaemia Virus (CIAV) is one of the potent immunosuppressive and economically important agents affecting poultry industry worldwide. Recent reports indicate the emergence of this virus in the poultry flocks of the country. The present study aimed to investigate the pathogenic potential of a recent isolate of CIAV obtained from poultry flock of Uttaranchal State, India. Twenty first day-old age Specific Pathogen Free (SPF) chicks were inoculated intramuscularly with 104.5 median tissue culture infective dose (TCID50) of CIAV passaged in the Marek’s disease virus transformed chicken splenic T lymphocyte (MDCC-MSB1) cell line while 15 chicks were kept as control. The CIAV isolate produced consistent clinical signs, loss in body weight gain, anaemia, low haematocrit values, bone marrow aplasia and generalized lymphoid atrophy. Mean Packed Cell Volume (PCV) value of the infected chicks was significantly low (18.22±2.22) compared to control group (34.12±4.72) at 14 day post infection (dpi). The establishment of virus infection in chicks was confirmed both at molecular and antigenic levels by Polymerase Chain Reaction (PCR) and Indirect Immunofluorescent Test (IIFT), respectively. Characteristic apoptotic pattern was also detected in the affected organs and the virus was re-isolated successfully in MDCC-MSB1 cell cultures. The present results revealed that the virus circulating in poultry flocks of Uttaranchal state is both pathogenic and immunosuppressive in nature. Extensive epidemiological studies are suggested in the poultry flocks of the country along with adaptation of appropriate diagnostic, prevention and control strategies so as to prevent economic losses caused by this important poultry pathogen.
  Kuldeep Dhama , Shambhu Dayal Singh , Rajamani Barathidasan , P.A. Desingu , Sandip Chakraborty , Ruchi Tiwari and M. Asok Kumar
  Growth in poultry sector is being challenged due to increased incidence and re-emergence of diseases caused due to evolution of several viral pathogens and use of live vaccines. Piles of economic losses are encountered due to these diseases. Avian Infectious Bronchitis (IB), caused by Corona virus, is OIE-listed disease and characterized by respiratory, renal and urogenital involvements, causing high mortality. Economic losses are encountered due to loss of productive performance of both egg and meat-type chickens. Variant viruses evolve due to spontaneous mutations and recombinations, causing disease in vaccinated flocks of all ages. Serotyping and genotyping are the common methods of classification of IBV strains. The virus has 4 clusters, grouped into 7 serotypes and the most important strains are Massachusetts, Connecticut, Arkansas, Gray, Holte and Florida along with numerous others, distributed round the globe. Several conventional and molecular diagnostic methods have been described for the diagnosis of IB in chickens. 'All-in/all-out' operations of rearing along with good biosafety measures forms the basis of prevention, whereas vaccination forms the backbone of IB control programme. Both live and inactivated (oil emulsified) conventional vaccines are available. The new generation vaccines (recombinant and vector-based) developed against locally prevailing IBV strains may be more helpful and avoid the reversion of virulence in live vaccine viruses. The present review deals with all these perspectives of this important emerging poultry pathogen.
 
 
 
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