Structure and Function of the Stratum Corneum Extracellular Matrix
نویسندگان
چکیده
منابع مشابه
Effects of petrolatum on stratum corneum structure and function.
BACKGROUND Ointments (e.g., petrolatum) are thought to be occlusive, thereby blocking transcutaneous water loss and trapping water under the skin's surface. If this premise is correct, then petrolatum should delay barrier recovery after barrier perturbation, as shown previously in occluded murine skin. OBJECTIVE We reexamined the assumption that Vaseline Petroleum Jelly (VPJ) is occlusive, as...
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Desmogleins are desmosomal cadherins that mediate cell-cell adhesion. In stratified squamous epithelia there are two major isoforms of desmoglein, 1 and 3, with different distributions in epidermis and mucous membrane. Since either desmoglein isoform alone can mediate adhesion, the reason for their differential distribution is not known. To address this issue, we engineered transgenic mice with...
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Under normal circumstances, epidermis must be as impermeable as possible except for a small amount of water loss to hydrate the outer layers of the SC. Although all living cells require water to function, some “dead” cells also require water to be metabolically active. As it is the case of corneocytes, epidermis must retain sufficient water to (a) hydrate the outer layers of the SC to maintain ...
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15 صفحه اولDesquamation in the stratum corneum.
To maintain a constant thickness of the stratum corneum the desquamation rate and the de novo production of corneocytes is delicately balanced. Using a plantar stratum corneum model we have obtained evidence that proteolysis is a central event in the desquamation process. A number of regulatory mechanisms for desquamation have been postulated based on our findings.
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ژورنال
عنوان ژورنال: Journal of Investigative Dermatology
سال: 2012
ISSN: 0022-202X
DOI: 10.1038/jid.2012.246