Ganglioside-basic protein interaction: protection of gangliosides against neuraminidase action.

作者: H. C. Yohe , Ronald I. Jacobson , Robert K. Yu

DOI: 10.1002/JNR.490090406

关键词: MyelinGangliosidePrecipitinMyelin basic proteinClostridium perfringensSphingolipidBiologyNeuraminidaseMajor basic proteinBiochemistry

摘要: The ability of acidic phospho- and sphingolipids to interact with basic proteins was studied by double diffusion analysis. phospholipids, tri- diphosphoinositide, the sphingolipid, sulfatide, interacted myelin protein as evidenced precipitin line formation. Of sialoglycosphingolipids (gangliosides) tested, only myelin-specific monosialoganglioside, GM41 , formed a protein. In addition, retarded activity Clostridium perfringens neuraminidase against GM4 disialoganglioside, GD1b. Examination purified rat brain suggested presence intrinsic myelin. This finding, in concert ganglioside-myelin complexes which selectively protect neuraminidase, may provide physiological explanation for simplified ganglioside pattern found

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