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Articles by R. Sehgal
Total Records ( 4 ) for R. Sehgal
  M. Chaudhary , R. Sehgal , P. Arora and N. Kharb
  The present study was conducted to evaluate effect of sub-acute intravenous injection of ETB receptor agonist IRL-1620 in mice. Swiss albino mice (n = 24, weighing 20-25 g) were divided into two groups (12 animal each), control group (0 μg kg-1) and IRL-1620 treated group (1 μg/kg/min, i.v., for 30 days). Each group was further subdivided into two groups depending on sex of mice having 6 animals each. No significant change in animal body weight, hemogram, liver function test and renal function tests was observed on treatment with IRL-1620. Histological examination of liver was normal and Kidneys showed mild congestion. In conclusion, sub-acute dose (1 μg/kg/min, i.v.,) of endothelin receptor agonist ETB IRL-1620 did not cause toxic effect on liver and kidney.
  A. Tamta , M. Chaudhary and R. Sehgal
  The objective of current study was to evaluate deleterious effects of a potential combination of cefpirome, a member of the latest class of broad-spectrum cephalosporins, in combination of β-lactamase inhibitor, sulbactum. To assess the toxicity profile of fixed dose regimen Pirotum (Cefpirome+Sulbactum in 2:1 ratio), a repeated dose subacute toxicity study was conducted on Swiss albino mice and Wistar rat (male and female). Three different dose levels (30, 60 and 120 mg kg-1) of combination were administered for twenty eight days. Physical parameters, hematological parameters and biochemical parameters related to liver toxicity and nephrotoxicity were evaluated as end point parameters. Findings of present study were also supported by hematological as well as histopathology parameters. Data of current study indicated that Pirotum exerted no deleterious effect on blood, liver and kidney function as no alteration was observed in biochemical parameters at any dose level.
  A. Soni , M. Chaudhary , A. Tamta , R. Sehgal , S.M. Shrivastava and V.K. Dwivedi
  This study investigated to comapre the efficacy of ofloxacin, ornidazole and mebatic (Fixed dose combination ornidazole plus ofloxacin). Various parameters related to blood, liver and kidney were studied in the monotherapy as well as in the combination therapy. To further explore the mechanisms of better efficacy showed by combination, antioxidant defense status was also explored. The mice were fed standard pelleted diet and water ad libitum. The test room was air conditioned with temperature 22±2°C, humidity 60.5% and with artificial fluorescent light 10-12 h of light and dark, respectively. Twenty four mice were divided into four groups containing six mice in each group. Ofloxacin treated group recieved 3.3 mg kg-1 b.wt. day-1, ornidazole treated group received 8.3 mg kg-1 b.wt. day-1 and mebatic treated group received 11.6 mg kg-1 b.wt. day-1 whereas control group received normal saline. The findings of present study suggested that the combination formulation showed no signs of toxicity when tested for liver and kidney related parameters. The combination formulation also attenuated the oxidative stress and also preserved the antioxidant enzyme levels (catalase and superoxide dismutase) in treated group. From the results of our study it can be concluded that the combination was safe as compared to treatment of the individual agents. It was also infer that the normalized antioxidant defense status might be responsible for decrease in hepatotoxicity and nephrotoxicity in the combination group as compared with monotherapies using either agent.
  A. Soni , M. Chaudhary , V.K. Dwivedi , S.M. Shrivastava and R. Sehgal
  The aim of the present study was to evaluate the effect of various treatment of glycerol, mannitol, neurotol and neurotol plus on xanthine oxidase, adenylate kinase activities and MDA levels in alcohol induced ischemic rat model. Twenty Wistar rats (weighing 100- 200 g) were divided into four groups, glycerol treated group (20%), mannitol treated group (10%), fixed dose combination of glycerol (10%)+ mannitol (20%) (Neurotol) treated group and neurotol plus treated group (glycerol (10%)+mannitol (10%)). A significant decrease in xanthine oxidase activity, adenylate kinase activity and MDA levels were observed on treatments but decrease was maximum in neurotol plus treated groups suggesting that it has better free radical scavenging activity than glycerol, mannitol and neurotol.
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