HSPA6 is an ulcerative colitis susceptibility factor that is induced by cigarette smoke and protects intestinal epithelial cells by stabilizing anti-apoptotic Bcl-XL
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文摘

A mechanism is proposed how cigarette smoke protects against ulcerative colitis.

Cigarette smoke induces cytoprotective heat shock proteins, in particular HSPA6.

HSPA6, unique for large mammals, is highly expressed in human intestinal epithelia.

An ulcerative colitis susceptibility locus is associated with reduced HSPA6 expression.

HSPA6 physically interacts and enhances levels of anti-apoptotic Bcl-XL.

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