307 Basis for enhanced epidermal permeability barrier function in topical heparinoid-treated mice
نویسندگان
چکیده
منابع مشابه
Topical Antihistamines Display Potent Anti-inflammatory Activity Linked in Part to Enhanced Permeability Barrier Function
Systemic antagonists of the histamine type 1 and 2 receptors (H1/2r) are widely used as anti-pruritics and central sedatives, but demonstrate only modest anti-inflammatory activity. Because many inflammatory dermatoses result from defects in cutaneous barrier function, and because keratinocytes express both Hr1 and Hr2, we hypothesized that H1/2r antagonists might be more effective if they were...
متن کاملRegulation of epidermal sphingolipid synthesis by permeability barrier function.
A mixture of sphingolipids, cholesterol, and free fatty acids forms the intercellular membrane bilayers of the stratum corneum which are presumed to regulate epidermal barrier function. Prior studies have shown that both cholesterol and fatty acid synthesis are rapidly regulated by epidermal barrier requirements. In contrast, the importance of sphingolipids in barrier function has not been dire...
متن کاملBasis for Enhanced Barrier Function of Pigmented Skin
Humans with darkly pigmented skin display superior permeability barrier function in comparison with humans with lightly pigmented skin. The reduced pH of the stratum corneum (SC) of darkly pigmented skin could account for enhanced function, because acidifying lightly pigmented human SC resets barrier function to darkly pigmented levels. In SKH1 (nonpigmented) versus SKH2/J (pigmented) hairless ...
متن کاملProcessing of epidermal glucosylceramides is required for optimal mammalian cutaneous permeability barrier function.
The interstices of the mammalian stratum corneum contain lipids in a system of continuous membrane bilayers critical for the epidermal permeability barrier. During the transition from inner to outer stratum corneum, the content of polar lipids including glucosylceramides, decreases while ceramide content increases. We investigated whether inhibition of glucosylceramide hydrolysis would alter ep...
متن کاملDelayed epidermal permeability barrier formation and hair follicle aberrations in Inv-Cldn6 mice
Homozygous mice overexpressing Claudin-6 (Cldn6) exhibit a perturbation in the epidermal differentiation program leading to a defective epidermal permeability barrier (EPB) and dehydration induced death ensuing within 48 h of birth [Turksen, K., Troy, T.C., 2002. Permeability barrier dysfunction in transgenic mice overexpressing claudin 6. Development 129, 1775-1784]. Their heterozygous counter...
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ژورنال
عنوان ژورنال: Journal of Investigative Dermatology
سال: 2019
ISSN: 0022-202X
DOI: 10.1016/j.jid.2019.03.383