Abstract：
:Gap junctions are highly ordered plasma membrane domains that are constantly assembled, remodeled and turned over due to the short half-life of connexins, the integral membrane proteins that form gap junctions. Connexin 43 (Cx43), by far the most widely expressed connexin, is phosphorylated at multiple serine residues in the cytoplasmic, C-terminal region allowing for exquisite cellular control over gap junctional communication. This is evident during epidermal wounding where spatiotemporal changes in connexin expression occur as cells are instructed whether to die, proliferate or migrate to promote repair. Early gap junctional communication is required for initiation of keratinocyte migration, but accelerated Cx43 turnover is also critical for proper wound healing at later stages. These events are controlled via a "kinase program" where sequential phosphorylation of Cx43 leads to reductions in Cx43's half-life and significant depletion of gap junctions from the plasma membrane within several hours. The complex regulation of gap junction assembly and turnover affords several steps where intervention might speed wound healing.
journal_name
Semin Cell Dev Bioljournal_title
Seminars in cell & developmental biologyauthors
Solan JL,Lampe PDdoi
10.1016/j.semcdb.2015.12.010subject
Has Abstractpub_date
2016-02-01 00:00:00pages
40-8eissn
1084-9521issn
1096-3634pii
S1084-9521(15)30023-9journal_volume
50pub_type
杂志文章,评审abstract：:Cells maintain a cholesterol gradient across the secretory system, with the lowest concentrations in the endoplasmic reticulum (ER) and the highest in the plasma membrane (PM). Cholesterol is also heterogeneously distributed in the endocytic pathway. Little is known about how this heterogeneous distribution of cholest...
journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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更新日期：2004-04-01 00:00:00
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更新日期：2018-08-01 00:00:00
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journal_title：Seminars in cell & developmental biology
pub_type： 杂志文章,评审
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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pub_type： 杂志文章,评审
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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journal_title：Seminars in cell & developmental biology
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更新日期：2002-08-01 00:00:00
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journal_title：Seminars in cell & developmental biology
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更新日期：2017-09-01 00:00:00
