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Articles by Mani Saminathan
Total Records ( 9 ) for Mani Saminathan
  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.
  Mani Saminathan , Ram Bahal Rai , Kuldeep Dhama , Babu Lal Jangir , Subramaniyam Suresh , Gopikunte Jayaramaiah Ranganath , Inbaraj Sophia , Kuppusamy Karuppanasamy , Singaram Barathiraja and Arumugam Gopalakrishnan
  N-Methyl-N-Nitrosourea (NMU) is a highly specific mammary gland carcinogen that act directly and does not require metabolic activation. The novel medicinal plant Morinda citrifolia, also called as Noni, has broad therapeutic effects such as antibacterial, antiviral, antifungal, anticancer, analgesic, anti-inflammatory, anti-oxidant and immune enhancing effects. The present study was conducted to assess the beneficial effects of M. citrifolia fruit juice on antioxidant, hematological and biochemical alterations caused by NMU induced mammary carcinogenesis in Sprague-Dawley rats. The rats were divided into five groups viz., vehicle control group-A (n = 8), M. citrifolia control group-B (n = 8), NMU control group C (n = 15), M. citrifolia prevention group-D (n = 15) and M. citrifolia treatment group-E (n = 15). By the end of the 28 weeks experimental period all the animals were euthanized, blood was collected by heart puncture. M. citrifolia treatment significantly (p<0.05) increased the anti-oxidant enzymes such as catalase, superoxide dismutase and significantly (p<0.05) decreased the lipid peroxidation activity when compared to NMU control group-C. M. citrifolia exhibited a preventive effect against anaemia, lymphocytosis and neutrophilia in group-D and group-E when compared to group-C. Biochemical analyses showed normal levels of enzymes of liver and kidney in M. citrifolia treated groups- B, D and E rats, whereas NMU control group-C showed significant (p<0.05) decrease in albumin and total protein levels. These findings indicate that M. citrifolia fruit juice did not show any hepatotoxic or nephrotoxic effects. It was concluded that the M. citrifolia fruit juice ameliorates the adverse effects of NMU carcinogenesis and could be useful to treat mammary tumours in humans and animals.
  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.
  Kuldeep Dhama , Mani Saminathan , Siju Susan Jacob , Mithilesh Singh , K. Karthik , Amarpal , Ruchi Tiwari , Lakshmi Tulasi Sunkara , Yashpal Singh Malik and Raj Kumar Singh
  In veterinary and medical sciences, immunomodulation is an area wherein extensive studies have been conducted to devise methods to improve disease resistance as well as to prevent or control immune disorders of host by optimum regulation of the immune system. Today, most infectious diseases of man and animals are treated and controlled mainly by using broad-spectrum antibiotics and vaccines. However, the antibacterial agents are becoming increasingly ineffective due to rapid emergence of resistant microbial strains. So, there is high requirement for novel and improved alternative therapeutic and prophylactic strategies to manage several diseases which are flaring at alarming pace because of the increase in international traffic, globalization and changing food habbits. Immunomodulation is focused on manipulation of immune system to control the infections and other adverse health effects with precise regulation to avoid any complications while suppressive or potentiating efforts are made to benefit the animal and human health. The main aim of this review is to give a closer insight into the potential immunomodulatory molecules, synthetic and natural, that are capable of modifying the immune responses including conventional and novel immunomodulators like adjuvants, cytokines, hormones, glucocorticoids, host defense peptides, microbial products, toll like receptors, synthetic compounds, probiotics, nutrients, vitamins, minerals, herbs, panchgavya, polysaccharides, helminths, vaccines and others. These immunomodulatory regimens could successfully offer the health industries with the most natural methods for enhancement of disease resistance, boosting vaccination immunity and prevention of various infections, disorders, cancer and stress related diseases. The updated information will be highly useful for scientists, veterinary/medical professionals, pharmaceutical industries, livestock and poultry industry to create a healthier future for people and their companion animals.
  Mohd. Iqbal Yatoo , Umesh Dimri , Arumugam Gopalakrishan , Mani Saminathan , Kuldeep Dhama , Karikalan Mathesh , Archana Saxena , Devi Gopinath and Shahid Husain
  This study demonstrated the antidiabetic and antioxidant potential of Pedicularis longiflora Rudolph, a Himalayan wild herb, in alloxan induced diabetic rats. Seven groups of wistar rats (n = 6) were divided into healthy control (I) and diabetic control (II) groups, both without any treatment, test groups (III, IV and V) treated with varying concentration of ethanolic extract of Pedicularis longiflora and standard groups treated with N-acetyl cysteine as standard antioxidant (VI) and glibenclamide as standard antidiabetic drug (VII). Diabetic biomarkers and oxidative stress indices were evaluated on day 0, 7 and 14 of treatment. Glucose, glycated haemoglobin (GHb) and fructosamine showed a decrease of 23.08, 33.85 and 43.46%, respectively in group IV than group III (15.06, 46.13 and 23.95%) and group V (15.99, 27.77 and 24.84%) whereas, insulin showed significant (p<0.05) increase in group IV (15.43%) and group V (5.12%), but not than group III (16.82%) on day 14 of treatment. Concentration of reduced glutathione (GSH) and activity of superoxide dismutase (SOD) was increased (p<0.05) whereas, levels of lipid peroxide (LPO) and Nitric Oxide (NO) were decreased (p<0.05) in test groups on day 14 of treatment compared to diabetic control group. Liver homogenate showed lower levels (p<0.05) of LPO and NO, whereas, pancreatic homogenate showed higher levels (p<0.05) of GSH and lower levels (p<0.05) of LPO in test groups. These findings can be attributed to antidiabetic and antioxidant potential of P. longiflora Rudolph, however, group IV (500 mg kg–1 b.wt.) showing better response indicating its safe use as natural medicine.
  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.
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