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Gossypol acetic acid could induce total infertility in male Wistar/NIN strain rats at a dose of 30 mg per kg body weight per day, for 52 days. 20 mg for 52 days and 30 mg for 38 days produced partial infertility. Highly significant correlation between parameters of infertility like reduced cauda sperm count, and implantation sites, and reduction in LDH-X(More)
PURPOSE Obesity is a major public health problem worldwide, and of late, epidemiological studies indicate a preponderance of cataracts under obesity conditions. Although cataract is a multifactorial disorder and various biochemical mechanisms have been proposed, the influence of obesity on cataractogenesis has yet to be investigated. In such a scenario, a(More)
BACKGROUND Microsomal stearoyl-CoA desaturase1 (SCD1) is the rate limiting enzyme involved in the biosynthesis of monounsaturated fatty acids (MUFAs); palmitoleic (16:1) and oleic (18:1) acid from their respective substrates palmitic (16:0) and stearic (18:0) acids. The ratio of 18:1 to 18:0 has been implicated in the regulation membrane fluidity and(More)
Dietary fatty acids are known to play an important role in the development as well as prevention of dyslipidemia. In this study, we evaluated the impact of feeding polyunsaturated fatty acids (PUFAs) for a period of 4 months on various aspects of cholesterol metabolism in genetically obese mutant rats of WNIN/GR-Ob strain. Based on their phenotype, lean and(More)
OBJECTIVE To understand the possible role of chronic dietary high vitamin A supplementation in body weight regulation and obesity using a novel WNIN/Ob obese rat model developed at the National Centre for Laboratory Animal Sciences of National Institute of Nutrition, India. RESEARCH METHODS AND PROCEDURES Thirty-six 7-month-old male rats of lean, carrier,(More)
Adult Wistar NIN (WNIN) rats (6 months old) of both sexes were orally fed Amalakirasayana at a dose of 4.5 g per kg body weight, five days in a week. The Amalakirasayana was prepared by Arya Vaidya Sala, Kottakkal, Kerala, India, which is considered as gold standard. After 3, 9 and 15 months of such therapeutic regime, rats were sacrificed and various(More)
OBJECTIVE Scavenger receptor class BI (SR-BI), authentic high-density lipoprotein (HDL) receptors expressed in liver, are known to play an important role in HDL-cholesterol (C) metabolism and reverse cholesterol transport. Interestingly, obese rats of WNIN/Ob strain have abnormally elevated levels of serum HDL-C compared with their lean counterparts. Based(More)
Vitamin A is a known regulator of adipose tissue growth. In this paper, we report the possible role of dietary vitamin A supplementation in the regulation of adipose tissue mass, using a novel obese rat model of the WNIN/Ob strain developed at the National Centre for Laboratory Animal Sciences of the National Institute of Nutrition, India. Twenty-four male(More)
BACKGROUND Obesity is associated with various progressive age-related diseases, including neurological disorders. However, underlying molecular basis for increased risk of neurodegeneration in obesity is unknown. A suitable animal model would immensely help in understanding the obesity-linked neurological problems. METHODS A spontaneously developed obese(More)
Stearoyl-CoA desaturase 1 (SCD1), an important enzyme involved in monounsaturated fatty acid biosynthesis is a key player in energy homeostasis. Here, we tested the impact of vitamin A on hepatic and adipose tissue SCD1 expression and adiposity per se, using an obese mutant rat strain namely, WNIN/Ob developed at National Center for Laboratory Animal(More)