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ADHESIVE MECHANISMS OF THE CORNEAL EPITHELIUM

 

作者: Ilene K. Gipson,  

 

期刊: Acta Ophthalmologica  (WILEY Available online 1992)
卷期: Volume 70, issue S202  

页码: 13-17

 

ISSN:1755-375X

 

年代: 1992

 

DOI:10.1111/j.1755-3768.1992.tb02162.x

 

出版商: Blackwell Publishing Ltd

 

关键词: Corneal epithelium;wound healing;hemidesmosomes;focal contacts;cell adhesion

 

数据来源: WILEY

 

摘要:

AbstractThe corneal epithelium adheres to the stro‐ma through a series of linked structures termed collectively the adhesion complex. These structures include; intermediate filaments (keratin filaments) which are linked to the hemidesmosome; the hemidesmo‐some; the anchoring filaments which extend from the membrane at the hemidesmosome through the lamina lucida to the lamina densa region of the basement membrane; the anchoring fibrils which insert into the basement membrane from the stromal side; and the anchoring plaque on which anchoring fibrils terminate distal from their insertion on the basement membrane. Upon wounding, basal cells of the corneal epithelium disassemble their hemidesmosomes. During migration, the membranes along the wound bed exhibit a different kind of adhesion junction, the focal contact. This junction is present primarily in cells of the leading edge of migration and may be the provisional adhesion junction used by epithelial sheet moving to cover a wo

 

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