Growth hormone-induced alteration of morphology and tubulin expression in 3T3 preadipose cells.

Growth hormone-induced alteration of morphology and tubulin expression in 3T3 preadipose cells.
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生长激素诱导的 3T3 前脂肪细胞形态和微管蛋白表达的改变。

DOI:
10.1016/0006-291x(89)92306-1
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发表时间:
1989
影响因子:
3.1
通讯作者:
Sonenberg,M
Sonenberg,M
中科院分区:
生物学4区
文献类型:
--
作者:
Guller,S;Corin,RE;Wu,KY;Sonenberg,M

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在无血清培养基中,观察生长激素对3 T3-F442 A前脂肪细胞形态和细胞骨架蛋白表达的影响。在培养2至5天之间,2 nM甲硫氨酰人生长激素将3 T3-F442 A细胞从扁平成纤维细胞形态转化为具有许多膜卷曲的圆形形式。生长激素处理的培养物表现出细胞体积减少30-40%。生长激素诱导的形态和体积的变化之前,并独立于脂肪生成。在用生长激素处理的细胞中,如通过蛋白质印迹法测定的,发现与未处理的细胞相比,α和β-微管蛋白的表达在72小时内增加约50%。7天后,生长激素处理的细胞中的微管蛋白水平约为对照水平的40%。这表明形态学改变和微管蛋白表达的改变是生长激素对3 T3-F442 A细胞作用的标志。
Effects of growth hormone on morphology and cytoskeletal protein expression were examined in 3T3-F442A preadipocytes in serum-free medium. Between 2 and 5 days of culture 2 nM methionyl human growth hormone converted 3T3-F442A cells from a flat fibroblastic morphology to a rounded form with numerous membrane convolutions. Growth hormone treated cultures manifested a 30–40% reduction in cell volume. Growth hormone induced changes in morphology and volume preceded and were independent of lipogenesis. In cells treated with growth hormone, expression ofα andβ-tubulin as determined by Western blotting was found to increase approximately 50% within 72 h as compared to untreated cells. After 7 days, tubulin levels in growth hormone treated cells were approximately 40% of control levels. This indicated that morphological changes and alteration of tubulin expression were signatures of growth hormone action on 3T3-F442A cells.
DOI: 10.1128/mcb.4.2.228-231.1984
发表时间: 1984
影响因子: 5.3
作者:
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期刊: ENDOCRINOLOGY
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发表时间: 1989
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