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排序方式: 共有90条查询结果,搜索用时 15 毫秒
1.
T Sasaki 《Experientia》1990,46(6):611-616
Glycolipid transfer protein (GL-TP), a nonglycosylated protein with a molecular weight of 22,000 K, has been purified from pig brain. The protein transfers, by a carrier mechanism, glycolipids with a beta-glucosyl or beta-galactosyl residue directly linked to either ceramide or diacylglycerol. GL-TP appears to be present in most animal cells, and evidence has been obtained which indicates that it is a cytoplasmic protein. Little is known about the function of GL-TP. Current evidence indicates that glycosphingolipid glycosylation occurs at the luminal side of the Golgi apparatus, except for the glucosylation of ceramide, which has been shown to occur at the cytoplasmic side of the Golgi or endoplasmic membrane. It appears most likely that GL-TP participates in the intracellular traffic of glucosylceramide. 相似文献
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M. Ishibashi M. Tsuda Y. Ohizumi T. Sasaki J. Kobayashi 《Cellular and molecular life sciences : CMLS》1991,47(3):299-300
Summary A new bromotyrosine-derived alkaloid with antileukemic activity, purealidin A (5), has been isolated from the Okinawan marine spongePsammaplysilla purea and its chemical structure elucidated on the basis of the spectroscopic data. 相似文献
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Proliferation of human lymphocytes in culture 总被引:9,自引:0,他引:9
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Zusammenfassung Die Aktivität dreier mucopolysac-charidsynthetisierender Enzyme in der Haut normaler Mäuse wurde von Cortison und DOCA gehemmt, von Östradiol und Testosteron hingegen stimuliert. Eine Ausnahme bildet die Gruppe testosteronbehandelter weiblicher Mäuse. 相似文献
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M. Sasaki M. Ono S. Asada T. Yoshida 《Cellular and molecular life sciences : CMLS》1991,47(11-12):1229-1231
The discovery that drones of the Japanese honeybee (Apis cerana japonica) pollinate the oriental orchid (Cymbidium pumilum) is reported. Drones are attracted to the orchid flower aroma mainly during their mating flights in April through May. Some drones cluster on the flower racemes and others insert their heads deep into the flowers. Drones with pollinia on their scutellum visit other orchids, which facilitates pollination. Individual workers and swarming colonies are also strongly attracted by the flower aroma, but the allopatric western honeybee (Apis mellifera) is not attracted. 相似文献
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N. Sasaki M. Matsuzaki T. Okabe Y. Imai Y. Kaneko F. Matsuzaki 《Cellular and molecular life sciences : CMLS》1983,39(3):330-331
Summary Both 12-O-tetradecanoyl-phorbol-1-acetate and teleocidin B stimulated the secretion of human chorionic gonadotropin by cultured choriocarcinoma cells. These tumor promoters also stimulated production of progesterone in the cells. However, the 2 tumor promoters did not exert a marked effect on the cellular binding of epidermal growth factor that also had a stimulatory effect on production of these hormones. 相似文献
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