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              Open Access  
Copyright: The authors. This article is an open access 
article licensed under the terms of the Creative Commons Attribution License 
(http://creativecommons.org/licenses/by/2.0) which permits unrestricted use, 
distribution and reproduction in any medium, provided the work is properly 
cited. 
 
              
              
              Research 
(Published 
online : 28-07-2013) 
22.
Protective role of Nigella sativa against 
experimentally induced type-II diabetic nuclear damage in Wistar rats -
T. J. Sheikh, 
D. V. Joshi, B. J. Patel and C. M. Modi 
Vet World. 2013; 6(9): 698-702
 
              doi: 
              10.14202/vetworld.2013.698-702 
                
  
  
    
                        
 
              Abstract 
 Aim:
              To identify the anti-mutagenic effect of Nigella sativa 
              on the experimentally induced chronic diabetes (type – II) in 
              Wistar rats. 
              Materials and Methods: The anti-mutagenic effect was evaluated 
              in Nigella sativa treated diabetic rats against the 
              streptozotocin - nicotinamide (STZ-NA) (at a dose rate of 45-110 
              i.p mg/kg b.wt for 90 days) induced type-II diabetes mellitus 
              using bone marrow micronucleus tests. The antioxidant status was 
              tested by estimating the serum levels of lipid peroxidation and 
              superoxide dismutase. 
              Results: Our results indicated that diabetic rats treated with
              Nigella sativa decreased the frequency of micronuclei in 
              the erythrocytes of bone marrow (P < 0.05) and enhanced the 
              antioxidant status (P < 0.05) in the treated diabetic rats 
              as compared to controls. 
              Conclusion: The observations indicated that the diabetic 
              patients are more prone to cell mutations which are related to the 
              level of cellular oxidative status and it could be reduced by 
              Nigella sativa. 
              Keywords: antioxidant, diabetes, micronucleus test, 
              Nigella sativa, plant extract 
 
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