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The effects of subacute, acute and chronic ethanol exposure on the activity of Ca(2+)-accumulating systems of mitochondria and endoplasmic reticulum in myometrial cells of nonpregnant estrogen-treated rats were studied. It has been shown that the activity of Ca(2+)-accumulating system of mitochondria was higher than the activity of Ca(2+)-accumulating system of endoplasmic reticulum in myometrial cells from control, acute and subacute treated with ethanol rats. Under ethanol chronical assumption both Ca(2+)-accumulation in mitochondria and Ca(2+)-transporting activity of endoplasmic reticulum are inhibited. In the latter ease Mg2+, ATP-dependent Ca(2+)-pump lost its sensitivity to oxytocin.

Type

Journal article

Journal

Ukr biokhim zh (1999)

Publication Date

05/2000

Volume

72

Pages

44 - 55

Keywords

Animals, Calcium, Endoplasmic Reticulum, Ethanol, Female, Mitochondria, Myometrium, Rats