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Testosterone promotes glucose intolerance, lipid disorder and oxidative stress in type 1 diabetic rats

Authors: Ayodele Morakinyo, ADEKUNBI Daniel , Kayode Dada, Olufeyi Adefunke Adegoke

Publication Type: Journal article

Journal: Journal Of Basic And Clinical Physiology And Pharmacology

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Abstract

Background: A bidirectional relationship has been established between testosterone deficiency (TD) and type 2 diabetes mellitus (T2DM). Low testosterone level has been reported to be a predisposing factor to T2DM, whereas recent clinical studies have shown a high prevalence of low testosterone in diabetic individuals. However, it is not known if any relationship exists between type 1 diabetes mellitus (T1DM) and testosterone level. This study was designed to investigate the effects of TD on T1DM. Twentyfour Sprague-Dawley rats were randomly divided into four groups designated as control, diabetic, orchiectomized and orchiectomized-diabetic. Methods: Diabetes was induced with an intravenous injection of alloxan, and orchiectomy was done under sterile conditions. Fasting blood glucose (FBG), insulin level, lipid and oxidative parameters were determined in all experimental rats. Results: The area under the curve during oral glucose tolerance test showed that the orchiectomized-diabetic group expressed an enhanced ability to metabolize glucose than the diabetic group. The malondialdehyde level in the diabetic group was significantly higher compared with that in the control and orchiectomized groups. Moreover, there was a significant decrease in glutathione (GSH) activity and an increase in superoxide dismutase activity in the diabetic group compared with control. Meanwhile, the activities of GSH and catalase were significantly reduced in the orchiectomized as well as the orchiectomized-diabetic group when compared with both control and diabetic groups. Conclusions: These data indicate that TD attenuates glucose intolerance under diabetic conditions and is equally associated with a considerable reduction in oxidative stress, which implies that testosterone may be a pro-oxidant.

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Ayodele,O.M ADEKUNBI,D. Kayode,A.D Olufeyi,A.A . (0000). Testosterone promotes glucose intolerance, lipid disorder and oxidative stress in type 1 diabetic rats, 25 (), 13-13.

Ayodele,O.M ADEKUNBI,D. Kayode,A.D Olufeyi,A.A . "Testosterone promotes glucose intolerance, lipid disorder and oxidative stress in type 1 diabetic rats" 25, no (), (0000): 13-13.

Ayodele,O.M and ADEKUNBI,D. and Kayode,A.D and Olufeyi,A.A and . (0000). Testosterone promotes glucose intolerance, lipid disorder and oxidative stress in type 1 diabetic rats, 25 (), pp13-13.

AyodeleOM, ADEKUNBID, KayodeAD, OlufeyiAA, . Testosterone promotes glucose intolerance, lipid disorder and oxidative stress in type 1 diabetic rats. 0000, 25 ():13-13.

Ayodele,Olufemi Morakinyo, ADEKUNBI,Daniel , Kayode,Akanni Dada, and Olufeyi,Adefunke Adegoke . "Testosterone promotes glucose intolerance, lipid disorder and oxidative stress in type 1 diabetic rats", 25 . (0000) : 13-13.

A.Olufemi Morakinyo A.Daniel K.Akanni Dada & O.Adefunke Adegoke , "Testosterone promotes glucose intolerance, lipid disorder and oxidative stress in type 1 diabetic rats" vol.25, no., pp. 13-13, 0000.

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