Narendra Silawat

B. R. Nahata College of Pharmacy, Mandasor, Madhya Pradesh, India

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Publications (8)2.16 Total impact

  • Narendra Silawat · Vipin Bihari Gupta ·
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    ABSTRACT: Context: Diabetic nephropathy is one of the important microvascular complications of diabetes; however, the main problem remains is the control of progression of nephropathy in diabetes. Chebulic acid was selected, as tannins from Terminalia chebula are used as antidiabetic, renoprotective, antioxidant, hypotensive and an α-glucosidase inhibitor. Objective: In this study, we evaluated the effect of chebulic acid on ischemia reperfusion induced biochemical alteration in diabetic rats. Materials and methods: Chebulic acid (CA) was isolated from T. chebula; LD(50) and acute toxicity studies of CA were done. Renal ischemia and reperfusion technique was used to induce nephropathy in diabetic rats. Glibenclamide (10 mg/kg) was used as diabetic standard; CA at doses of 25 and 50 mg/kg were administered for 28 days and various biochemical parameters were monitored. Results: The LD(50) was found to be 251 mg/kg; 25 and 50 mg/kg doses were selected as no toxic symptoms were observed at both doses, except slight diarrhea. CA significantly (p < 0.001) reduced the glucose, creatinine, urea nitrogen, glycosylated hemoglobulin, proteinuria, urine albumin excretion, glomerular filtration rate (GFR), and increased serum insulin and glycogen level. CA also restored glucose 6-phosphate dehydrogenase, glutathione, superoxide dismutase, catalase and malondialdehyde levels. Improvement in kidney was also noted in histopathological studies. Conclusions: The statistical data indicated that chebulic acid at both doses (25 and 50 mg/kg) improves biochemical alterations caused by renal ischemia in diabetic rats.
    Pharmaceutical Biology 09/2012; 51(1). DOI:10.3109/13880209.2012.698288 · 1.24 Impact Factor
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    ABSTRACT: Objective To evaluate the nephroprotective and anti–polyuric role of embelin on lithium induced nephrogenic diabetes insipidus (NDI) in albino rats.MethodsNDI induced by lithium chloride (4 meq/kg/day, i.p. for 6 days) which leads to huge amount of urine excretion. After induction of NDI, embelin (50 and 100mg/kg) was administered orally, once daily for 21 day in rats and N–acetyl cysteine (10mg/kg, twice daily, i.p.) was used as a standard drug for treatment of NDI. The body weight, urine protein, urine creatinine, plasma creatinine, blood urea nitrogen were assessed at 0, 7, 14 and 21 day. At the end of the study glutathione (GSH) content in kidney was assessed and histopathology of kidney was performed.ResultsEmbelin 50 and 100 mg/kg showed increase in the body weight and decrease in plasma and urine creatinine, blood urea nitrogen levels, and urine protein level. Embelin acts as a potent antioxidant; it increases the level of glutathione in kidney. Histopathological examination of the kidney indicated that embelin 50 and 100 mg/kg were reduced the vascular degeneration of tubules as well as slight degeneration and dilatation of renal tubules, however N–actyl cysteine (NAC) treated rats showed normal glomeruli and renal tubule with slight degeneration.Conclusions Embelin seemed to be effective in NDI by its predominant effect on promoting antioxidant status and decrease the urine excretion may be due to the blocking of sodium channels.
    Asian Pacific Journal of Tropical Disease 01/2012; 2:S729–S733. DOI:10.1016/S2222-1808(12)60253-9
  • P P Joshi · S D Patil · N Silawat · P T Deshmukh ·
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    ABSTRACT: The present study was undertaken to clarify whether methanolic extract of Tridax procumbens prevents liver fibrosis in rat. The hepatic fibrosis was induced by 28 days of bile duct ligation in rats. The 4-week treatment with Tridex procumbens reduced the serum aspartate aminotransferase (U L⁻¹), glutamate pyruvate transaminase (U L⁻¹), alkaline phosphatase (IU L⁻¹), lactate dehydrogenase (IU L⁻¹), total bilirubin (mg dL⁻¹), direct bilirubin (mg dL⁻¹) and hydroxyproline (mg gm⁻¹) content in liver and improved the histological appearance of liver section. The results of this study led us to conclude that T. procumbens can reduce the degree of hepatocellular damage and may become antifibrotic agent for liver fibrosis.
    Natural product research 06/2011; 25(20):1975-81. DOI:10.1080/14786419.2010.505924 · 0.92 Impact Factor
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    Himanshu Misra · Manish Soni · Narendra Silawat · Darshana Mehta · B K Mehta · D C Jain ·
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    ABSTRACT: To investigate the medicative effects of medium-polar (benzene:acetone, 1:1, v/v) extract of leaves from Stevia rebaudiana (family Asteraceae) on alloxan-induced diabetic rats. Diabetes was induced in adult albino Wistar rats by intraperitoneal (i.p.) injection of alloxan (180 mg/kg). Medium-polar extract was administered orally at daily dose of 200 and 400 mg/kg body wt. basis for 10 days. The control group received normal saline (0.9%) for the same duration. Glibenclamide was used as positive control reference drug against Stevia extract. Medium-polar leaf extract of S. rebaudiana (200 and 400 mg/kg) produced a delayed but significant (P < 0.01) decrease in the blood glucose level, without producing condition of hypoglycemia after treatment, together with lesser loss in the body weight as compared with standard positive control drug glibenclamide. Treatment of diabetes with sulfonylurea drugs (glibenclamide) causes hypoglycemia followed by greater reduction in body weight, which are the most worrisome effects of these drugs. Stevia extract was found to antagonize the necrotic action of alloxan and thus had a re-vitalizing effect on β-cells of pancreas.
    04/2011; 3(2):242-8. DOI:10.4103/0975-7406.80779
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    Zafar Akbar · Narendra Silawat · Parag Joshi · Alok Savla · Pradeep Deshmukh ·

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    Alok Savla · Pradeep Deshmukh · Bhakti Panchal · Narendra Silawat · Emmanuel Toppo ·

    Recent developments in wound management: intelligent biomaterials to novel antimicrobials; 07/2010
  • Chapter: Author
    Pradeep Deshmukh · narendra Silawat ·

    Anatomy and Physiology-II, 01/2010;
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