Kinetics of ganglioside transfer between liposomal and synaptosomal membranes.

Kinetics of ganglioside transfer between liposomal and synaptosomal membranes.
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脂质体和突触体膜之间神经节苷脂转移的动力学。

DOI:
10.1021/bi00375a032
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发表时间:
1987
期刊:
影响因子:
2.9
通讯作者:
Freire,E
Freire,E
中科院分区:
生物学3区
文献类型:
--
作者:
Masserini,M;Freire,E

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Materials and MethodsPyrene-Ganglioside GMX Preparation. GM, ganglioside, carrying a pyrenyldecanoyl residue in substitution of the natural GM, fatty acyl moiety, was prepared by Dr. S. Sonnino (Department of Biochemistry, Medical School, University of Milano, Italy) according to the original procedure of Sónnino et al.(1985). This procedure involves deacylation of the ganglioside followed by re-N-acylation of the long-chain base with pyrenyldecanoic acid, and re-N-acetylation of the sialic acid residue. The purity and integrity of the fluorescent ganglioside GM, analogue were checked by thin-layer chromatography and nuclear magnetic resonance. Vesicle Preparation. Dipalmitoylphosphatidylcholine (DPPC), dimyristoylphosphatidylcholine (DMPC), and distearoylphosphatidylcholine (DSPC) were purchased from Avanti Biochemicals (Birmingham, AL) and used without further purification. The purity of all the phospholipid samples was checked by thin-layer chromatography. DPPC-and DSPC-fused unilamellar vesicles were prepared essentially as described before (Myers et al., 1984).
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