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Species | K SekharSummaryCountry: India Publications
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Publications
Subacute (90 days) oral toxicity studies of Kombucha teaR Vijayaraghavan
Defence Research and Development Establishment, Jhansi Road, Gwalior 474002, India
Biomed Environ Sci 13:293-9. 2000..The haematological and biochemical variables were within the clinical limits. The study indicates that rats fed KT for 90 days showed no toxic effects...
Lead exposure: health effects, prevention and treatmentS J S Flora
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior 474 002, India
J Environ Biol 23:25-41. 2002..e. chelation therapy against lead poisoning. Emphasis has been given to data, which have become available in the last decade...
Arsenic and lead induced free radical generation and their reversibility following chelationS J S Flora
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Gwalior, India
Cell Mol Biol (Noisy-le-grand) 53:26-47. 2007..A number of other strategies have been suggested to minimize the numerous problems. This article presents the recent development made in this area with possible directions for future research...
Reemergence of dengue virus type-3 (subtype-III) in India: implications for increased incidence of DHF & DSSPaban Kumar Dash
Division of Virology, Defence R and D Establishment, Jhansi Road, Gwalior 474002, MP, India
Virol J 3:55. 2006..We have carried out a detailed investigation of the 2004 outbreak by Serosurveillance, RT-PCR, nested PCR, virus isolation and genotyping. We also report the molecular epidemiological investigation of these outbreaks...
Prophylactic efficacy of amifostine and its analogues against sulphur mustard toxicityR Vijayaraghavan
Defence Research and Development Establishment, Jhansi Road, Gwalior 474002, India
Toxicology 163:83-91. 2001..DNA damage induced by SM was also significantly reduced by amifostine and DRDE-07 (0.2 LD(50), p.o.). Further studies are in progress on the various pharmacological and toxicological properties of DRDE-07...
Co-administration of monoisoamyl dimercaptosuccinic acid and Moringa oleifera seed powder protects arsenic-induced oxidative stress and metal distribution in miceDeepshikha Mishra
Division of Pharmacology and Toxicology, Defense Research and Development Establishment, Gwalior, India
Toxicol Mech Methods 19:169-82. 2009..The results suggest that concomitant administration of M. oleifera during chelation treatment with MiADMSA might be a better treatment option than monotherapy with the thiol chelator in chronic arsenic toxicity...
Essential metal status, prooxidant/antioxidant effects of MiADMSA in male rats: age-related effectsS J S Flora
Department of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior 474 002, India
Biol Trace Elem Res 120:235-47. 2007..Apart from this it also significantly reduced the glutathione disulfide levels in tissues. However, administration of MiADMSA caused some concern over the copper loss. MiADMSA was found to be safe in rats of all ages...
Effects of individual and combined exposure to sodium arsenite and sodium fluoride on tissue oxidative stress, arsenic and fluoride levels in male miceMegha Mittal
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Gwalior, India
Chem Biol Interact 162:128-39. 2006..These results are new and interesting and require further exploration...
Arsenic induced oxidative stress and the role of antioxidant supplementation during chelation: a reviewS J S Flora
Department of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior 474 002, India
J Environ Biol 28:333-47. 2007....
Oral supplementation of gossypin during lead exposure protects alteration in heme synthesis pathway and brain oxidative stress in ratsPratibha Gautam
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Gwalior, India
Nutrition 26:563-70. 2010..The objective was to study the efficacy of oral supplementation of gossypin, a flavonoid, during lead exposure in preventive alterations in the heme synthesis pathway, brain oxidation, and tissue lead uptake in rats...
Vitamin E supplementation protects oxidative stress during arsenic and fluoride antagonism in male miceMegha Mittal
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Gwalior, India
Drug Chem Toxicol 30:263-81. 2007....
Therapeutic efficacy of silymarin and naringenin in reducing arsenic-induced hepatic damage in young ratsAnshu Jain
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior 474 002, India
Ecotoxicol Environ Saf 74:607-14. 2011..These flavonoids can be incorporated into the diet or co-supplemented during chelation treatment, and thus may afford a protective effect against arsenite-induced cytotoxicity...
Effect of Centella asiatica on arsenic induced oxidative stress and metal distribution in ratsRicha Gupta
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Gwalior, India
J Appl Toxicol 26:213-22. 2006..Further studies are recommended for determining the effect of co-administration of Centella asiatica during chelation therapy with a thiol chelator...
Beneficial role of monoesters of meso-2,3-dimercaptosuccinic acid in the mobilization of lead and recovery of tissue oxidative injury in ratsGeetu Saxena
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior 474 002, MP, India
Toxicology 214:39-56. 2005..The above results suggest DMSA monoesters to be a better treatment option than DMSA in eliciting recovery to the altered biochemical variables and in the depletion of body lead burden...
Combined administration of taurine and meso 2,3-dimercaptosuccinic acid in the treatment of chronic lead intoxication in ratsS J S Flora
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior 474 002, India
Hum Exp Toxicol 23:157-66. 2004..It can thus be concluded from the study that concomitant administration of an antioxidant could play a significant and important role in abating a number of toxic effects of lead when administered along with the thiol chelators...
Differential oxidative stress and DNA damage in rat brain regions and blood following chronic arsenic exposureD Mishra
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Gwalior, India
Toxicol Ind Health 24:247-56. 2008..The present study, thus, leads us to suggest that arsenic induces differential oxidative stress in brain regions with cortex followed by hippocampus and causes single-strand DNA damage in lymphocytes...
Lead-induced oxidative stress and hematological alterations and their response to combined administration of calcium disodium EDTA with a thiol chelator in ratsGeetu Saxena
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior 474002, India
J Biochem Mol Toxicol 18:221-33. 2004....
Response of arsenic-induced oxidative stress, DNA damage, and metal imbalance to combined administration of DMSA and monoisoamyl-DMSA during chronic arsenic poisoning in ratsS Bhadauria
Defence Research and Development Establishment, Gwalior, India
Cell Biol Toxicol 23:91-104. 2007..This combination was also able to repair DNA damage caused following arsenic exposure. We thus recommend combined administration of DMSA and MiADMSA for achieving optimum effects of chelation therapy...
Beneficial effects of Centella asiatica aqueous extract against arsenic-induced oxidative stress and essential metal status in ratsS J S Flora
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior 474002, India
Phytother Res 21:980-8. 2007..The present study thus suggests a beneficial effect of Centella asiatica against arsenic-induced oxidative stress but possesses no chelating property...
Co-exposure to arsenic and fluoride on oxidative stress, glutathione linked enzymes, biogenic amines and DNA damage in mouse brainS J S Flora
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior 474 002, India
J Neurol Sci 285:198-205. 2009..Combined exposure to arsenic and fluoride does not necessarily lead to more pronounced toxicity and interestingly exhibit some antagonistic effects. Vitamin E supplementation may be of added value in reverting some of the toxic effects...
Haematological, hepatic and renal alterations after repeated oral or intraperitoneal administration of monoisoamyl DMSA. I. Changes in male ratsAshish Mehta
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior-474002, India
J Appl Toxicol 22:359-69. 2002..It can be concluded that repeated administration of MiADMSA is compromised with some mild toxic effect, particularly the loss of copper. The effects during oral administration are comparatively less pronounced than by the i.p. route...
Quercetin administration during chelation therapy protects arsenic-induced oxidative stress in miceDeepshikha Mishra
Division of Pharmacology and Toxicology, Defense Research and Development Establishment, Jhansi Road, Gwalior, 474 002, India
Biol Trace Elem Res 122:137-47. 2008..The study supports our earlier conclusion that a co-administration of an antioxidant particularly flavonoids more beneficial than monotherapy with the chelating agents to achieve optimal effects of chelation in arsenite toxicity...
Combined administration of iron and monoisoamyl-DMSA in the treatment of chronic arsenic intoxication in miceM Modi
Division of Pharmacology and Toxicology, Defense Research and Development Establishment, Jhansi Road, Gwalior 474002, India
Cell Biol Toxicol 23:429-43. 2007..The results lead us to conclude that iron supplementation during chelation has some beneficial effects particularly on heme synthesis pathway and blood arsenic concentration...
Lead induced oxidative stress and its recovery following co-administration of melatonin or N-acetylcysteine during chelation with succimer in male ratsS J S Flora
Defence Research and Development Establishment, Gwalior 474 002, India
Cell Mol Biol (Noisy-le-grand) 50:OL543-51. 2004..It can be concluded that, combined therapy with an antioxidant moiety and a thiol-chelating agent may be a better choice for treating plumbism...
Therapeutic value of Hippophae rhamnoides L. against subchronic arsenic toxicity in miceRicha Gupta
Division of Pharmacology and Toxicology, Defense Research and Development Establishment, Gwalior, Madhya Pradesh, India
J Med Food 8:353-61. 2005..rhamnoides L. (HF-WRT) significantly protects against arsenic-induced oxidative stress but does not chelate arsenic, suggesting it may have a beneficial role as a supplementing agent during chelation of arsenic by other means...
Changes in brain biogenic amines and haem biosynthesis and their response to combined administration of succimers and Centella asiatica in lead poisoned ratsGeetu Saxena
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior 474 002, India
J Pharm Pharmacol 58:547-59. 2006..Certain other biochemical variables responded favourably to combination therapy and monotherapy with MiADMSA. Thus, supplementation of C. asiatica during chelation could be recommended for achieving optimum effects of chelation therapy...
Response of lead-induced oxidative stress and alterations in biogenic amines in different rat brain regions to combined administration of DMSA and MiADMSAS J S Flora
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior 474002, India
Chem Biol Interact 170:209-20. 2007....
Protective effects of fruit extracts of Hippophae rhamnoides L. against arsenic toxicity in Swiss albino miceR Gupta
Division of Pharmacology and Toxicology, Defense Research and Development Establishment, Jhansi Road, Gwalior-474 002, India
Hum Exp Toxicol 25:285-95. 2006....
Concomitant administration of Moringa oleifera seed powder in the remediation of arsenic-induced oxidative stress in mouseRicha Gupta
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior 474 002, M P, India
Cell Biol Int 31:44-56. 2007..Administration of M. oleifera seed powder thus could also be beneficial during chelation therapy with a thiol chelator...
The efficacy of monoisoamyl ester of dimercaptosuccinic acid in chronic experimental arsenic poisoning in miceS J S Flora
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Gwalior, India
J Environ Sci Health A Tox Hazard Subst Environ Eng 38:241-54. 2003..The treatment with MiADMSA although, produced essential metals imbalance which could be a restrictive factor for the possible therapeutic use of this compound in chronic arsenic poisoning and thus require further exploration...
Fluoride-induced changes in haem biosynthesis pathway, neurological variables and tissue histopathology of ratsSwapnila Chouhan
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior 474 002, India
J Appl Toxicol 30:63-73. 2010..These changes support our earlier findings regarding the role of decreased ionic mobility of fluoride ion at higher concentrations, leading to less pronounced toxicity...
Monoisoamyl dimercaptosuccinic acid abrogates arsenic-induced developmental toxicity in human embryonic stem cell-derived embryoid bodies: comparison with in vivo studiesS J S Flora
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior 474 001, India
Biochem Pharmacol 78:1340-9. 2009..We conclude that the ES-EB model seems to be an effective, faster, cost effective method for predicting efficacy of a drug...
Lead induced oxidative damage and its response to combined administration of alpha-lipoic acid and succimers in ratsManisha Pande
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior, India
Toxicology 177:187-96. 2002..The results thus provide evidence of an encouraging role of LA when given in combination with a thiol chelator in the therapeutic intervention of lead poisoning, particularly in reducing the oxidative stress and brain lead concentration...
Effects of combined exposure to dichlorvos and monocrotophos on blood and brain biochemical variables in ratsNidhi Dwivedi
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Gwalior, India
Hum Exp Toxicol 29:121-9. 2010..It can be concluded that only moderate synergistic effects occur between MC and DDVP during co-exposure. A more detailed study with variable doses, prolonged exposure and alterations in different brain regions is recommended...
Comparative hepatic and renal toxicity of cadmium in male and female ratsUdita Gubrelay
Department of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior-474 002, India
J Environ Biol 25:65-73. 2004..The results suggested that females were comparatively more vulnerable to the toxic effects of cadmium than males...
Heavy metal induced oxidative stress & its possible reversal by chelation therapyS J S Flora
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Gwalior, India
Indian J Med Res 128:501-23. 2008..We have selected only arsenic, lead, mercury and cadmium for this article keeping in view current concerns and literature available...
Effects of fluoride on the tissue oxidative stress and apoptosis in rats: biochemical assays supported by IR spectroscopy dataSwapnila Chouhan
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior 474002, India
Toxicology 254:61-7. 2008....
Acute toxicity and cardio-respiratory effects of 2-deoxy-D-glucose: a promising radio sensitiserR Vijayaraghavan
Defence Research and Development Establishment, Gwalior 474002, India
Biomed Environ Sci 19:96-103. 2006..To evaluate the acute toxicity of 2-deoxy-D-glucose (2DG) by oral (p.o.) and intravenous (i.v.) routes, and also the cardio-respiratory effects following high doses of 2DG in animal models...
Role of free radicals and antioxidants in health and diseaseS J S Flora
Division of Pharmacology and Toxicology- Defence Research and Development Establishment Jhansi Road, Gwalior 474 002, India
Cell Mol Biol (Noisy-le-grand) 53:1-2. 2007
Meso 2,3-dimercaptosuccinic acid (DMSA) and monoisoamyl DMSA effect on gallium arsenide induced pathological liver injury in ratsS J S Flora
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Raod, 474 002, Gwalior, India
Toxicol Lett 132:9-17. 2002..Histopathological lesions also, responded more favorably to chelation treatment with MiADMSA than DMSA...
Arsenic and fluoride: two major ground water pollutantsSwapnila Chouhan
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Gwalior 474 002, India
Indian J Exp Biol 48:666-78. 2010....
Electroantennogram, flight orientation, and oviposition responses of Aedes aegypti to the oviposition pheromone n-heneicosaneT Seenivasagan
Defence Research and Development Establishment, Jhansi Road, Gwalior 474 002 MP, India
Parasitol Res 104:827-33. 2009..The possible use of this compound in monitoring of mosquito population in endemic areas in relevance to integrated vector management strategies is discussed in detail...
Interactive effect of arsenic and fluoride on cardio-respiratory disorders in male rats: possible role of reactive oxygen speciesS J S Flora
Division of Pharmacology and Toxicology, Defence Research and Development Establishment, Jhansi Road, Gwalior 474 002, India
Biometals 24:615-28. 2011..Moreover, it may be concluded that arsenic and/or fluoride cardio-respiratory toxicity may be mediated via oxidative stress. However, these results are new in the discipline thus requires further exploration...
