Changes of lipid peroxidation in mouse brain crude synaptosomal preparations in relation to the development and disappearance of tolerance to ethanol.

Substance and alcohol actions/misuse Pub Date : 1983-01-01
H Kaneto, T Mino
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Abstract

A single dose of ethanol induced a bimodal increase of Fe++- and ascorbic acid-stimulated lipid peroxidation in mouse brain crude synaptosomal preparations. This effect of ethanol was lost in preparations from ethanol tolerant animals and reappeared when the animals recovered from tolerance after withdrawal from ethanol treatments. The parallel changes in lipid peroxidation of brain crude synaptosomal preparations with the development and disappearance of tolerance to ethanol imply that the effect of ethanol on brain lipid may be directly associated with its mechanism in the CNS.

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小鼠脑突触体粗制剂中脂质过氧化的变化与乙醇耐受性的产生和消失有关。
单剂量乙醇诱导小鼠脑突触体粗制剂中铁++-和抗坏血酸刺激的脂质过氧化双峰增加。乙醇的这种作用在乙醇耐受动物的制剂中消失,并在动物从乙醇治疗中退出后从耐受中恢复时重新出现。脑突触体粗制剂的脂质过氧化与乙醇耐受性的产生和消失平行变化,提示乙醇对脑脂质的影响可能与其在中枢神经系统中的作用机制直接相关。
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