Kazrin, a novel periplakin-interacting protein associated with desmosomes and the keratinocyte plasma membrane.
Kazrin, a novel periplakin-interacting protein associated with desmosomes and the keratinocyte plasma membrane.
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DOI:
10.1083/jcb.200312123
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发表时间:
2004-08-30
期刊:
影响因子:
--
通讯作者:
Watt FM
中科院分区:
文献类型:
--
作者:
Groot KR;Sevilla LM;Nishi K;DiColandrea T;Watt FM
Periplakin forms part of the scaffold onto which the epidermal cornified envelope is assembled. The NH2-terminal 133 amino acids mediate association with the plasma membrane and bind a novel protein, kazrin. Kazrin is highly conserved and lacks homology to any known protein. There are four alternatively spliced transcripts, encoding three proteins with different NH2 termini. Kazrin is expressed in all layers of stratified squamous epithelia; it becomes membrane associated in the suprabasal layers, coincident with up-regulation of periplakin, and is incorporated into the cornified envelope of cultured keratinocytes. Kazrin colocalizes with periplakin and desmoplakin at desmosomes and with periplakin at the interdesmosomal plasma membrane, but its subcellular distribution is independent of periplakin. On transfection, all three kazrin isoforms have similar subcellular distributions. We conclude that kazrin is a novel component of desmosomes that associates with periplakin.
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DOI:
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发表时间:
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期刊:
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影响因子:
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期刊:
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通讯作者:
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