Immobilization stress reduces oxygen consumption of the isolated interstitial rats’ testes cells

Kojić, Zvezdana and Scepanovic, L.J. and Kostić, T. (2011) Immobilization stress reduces oxygen consumption of the isolated interstitial rats’ testes cells. Acta Physiologica Hungarica, 98 (1). pp. 45-50. ISSN 0231-424X

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Abstract

The aim of this study was to investigate the effects of acute and repeated immobilization stress on oxygen consumption (QO2) of the isolated interstitial rats’ testes cells (ISC). The oxygen consumption by ISC testes was measured in vitro with a Clark-type oxygen electrode. Acute immobilization stress (2 h) induced decrease in QO2 (−49% V4, −31% V3) which was statistically significant (p<0.01). Repeated immobilization stress (2 hours daily for 10 consecutive days) induced a fall in QO2 (−10% V4, −4% V3) but this inhibition of respiration was not statistically significant (p>0.05). The mechanisms by which immobilization stress induces mitochondrial dysfunction as well as mechanisms which develop an adaptive response to repeated immobilization remain unclear, so that further investigations of this mechanisms are required.

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