猪肌肉和脂肪组织中的清除因子脂肪酶。
Clearing-factor lipase in muscle and adipose tissue of pigs.
作者信息
Enser M
出版信息
Biochem J. 1973 Oct;136(2):381-5. doi: 10.1042/bj1360381.
Abstract
- Clearing-factor lipase was assayed in acetone-ether-dried powders of heart and adipose tissue of pigs. The enzyme activity in heart was higher than that in adipose tissue. The activity in the outer layer of subcutaneous fat was greater than that in the inner subcutaneous fat and the perirenal fat, which had similar activities. 2. Starvation for 48h, but not for 24h, decreased the activity of the heart enzyme. 3. Starvation for 24h caused a rapid decrease in the activity in all three adipose tissues, but even after 72h of starvation the activity was still highest in the outer subcutaneous fat. 4. Plasma fatty acid, glucose and insulin concentrations were determined in fed and starved pigs. Starvation decreased the plasma insulin concentration and increased the non-esterified fatty acid concentration.
摘要
- 对猪的心脏和脂肪组织的丙酮 - 乙醚干粉进行了清除因子脂肪酶的测定。心脏中的酶活性高于脂肪组织中的酶活性。皮下脂肪外层的活性大于皮下脂肪内层和肾周脂肪的活性，而后两者的活性相似。2. 饥饿48小时会降低心脏酶的活性，但饥饿24小时则不会。3. 饥饿24小时会导致所有三种脂肪组织的活性迅速下降，但即使饥饿72小时后，皮下脂肪外层的活性仍然最高。4. 测定了喂食和饥饿猪的血浆脂肪酸、葡萄糖和胰岛素浓度。饥饿会降低血浆胰岛素浓度并增加非酯化脂肪酸浓度。
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