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Zinc content in selected tissues in streptozotocin-diabetic rats after maximal exercise

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Abstract

The Zn metabolism in experimental diabetic rats after maximal exercise was investigated. Forty male wistar rats were used, weighing 240±10 g at the beginning of this experiment. The animals were assigned to one of four experimental groups (n=10): control at rest (CR), control plus exercise (CE), diabetic at rest (DR), and diabetic plus exercise (DE). Experimental diabetes was produced by a single intraperitoneal injection of streptozotocin (STZ) (60 mg/kg). Thirty days after injection of streptozotocin, the animals of groups CE and DE were forced to acute exercise (swimming) until exhaustion. Glucose, rectal temperature (RT), pH, swimming time (ST), hematocrit (Hct), serum, and tissue (heart, liver, kidney, and muscle) Zn concentrations were measured. The streptozotocin treated animals used in the current experiment were diabetic. Increases in hepatic, renal muscle, and serum levels Zn at rest and after exercise until exhaustion were found in normal and diabetic rats. ST decreased (−180%) in the diabetic rat group. In conclusion, the results of the present study indicate that STZ-induced diabetes was associated with altered tissue Zn concentration, both at rest and after exercise.

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Authors and Affiliations

  1. Department of Physiology and Biochemistry, School of Physiotherapy and Medicine, 42003, Soria, Spain

    Alfredo Cordova

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  1. Alfredo Cordova
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Cordova, A. Zinc content in selected tissues in streptozotocin-diabetic rats after maximal exercise. Biol Trace Elem Res 42, 209–216 (1994). https://doi.org/10.1007/BF02911518

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  • DOI: https://doi.org/10.1007/BF02911518

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