ELECTROPHORETIC ANALYSIS OF MYOSIN HEAVY-CHAIN ISOFORM PATTERNS IN EXTRAOCULAR-MUSCLES OF THE RAT

被引：33

作者：

ASMUSSEN, G

TRAUB, I

PETTE, D

机构：

[1] UNIV KONSTANZ,FAK BIOL,D-78434 CONSTANCE,GERMANY

[2] UNIV LEIPZIG,CARL LUDWIG INST PHYSIOL,D-04103 LEIPZIG,GERMANY

来源：

FEBS LETTERS | 1993年 / 335卷 / 02期

关键词：

ELECTROPHORESIS; EXTRAOCULAR MUSCLE; MYOSIN HEAVY CHAIN ISOFORM; RAT;

D O I：

10.1016/0014-5793(93)80738-G

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Six oculorotatory muscles and the levator palpebrae muscle of the rat were analysed by SDS-PAGE for their myosin heavy chain (MHC) isoform patterns. Oculorotatory muscles display a marked predominance of fast MHC isoforms. They contain, in addition to the slow (MHCI) and fast (MHCIIb, MHCIId, MHCIIa) skeletal MHCs, the neonatal MHC(neo) and the extraocular MHC(eom). The levator palpebrae, generally assumed to be a member of the extraocular muscle group because of its innervation by the ocolumotor nerve, does not contain MHC(neo) and MHC(eom). It resembles a fast-twitch skeletal muscle with a predominance of MHCIId.

引用

页码：243 / 245

页数：3

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