Caspase-14 Is Required for Filaggrin Degradation to Natural Moisturizing Factors in the Skin
نویسندگان
چکیده
منابع مشابه
Inactivation of mitogen-activated protein kinase signaling pathway reduces caspase-14 expression in impaired keratinocytes
Objective(s):Several investigations have revealed that caspase-14 is responsible for the epidermal differentiation and cornification, as well as the regulation of moisturizing effect. However, the precise regulation mechanism is still not clear. This study was aimed to investigate the expression of caspase-14 in filaggrin-deficient normal human epidermal keratinocytes (NHEKs) and to explore the...
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Filaggrin is a component of the cornified cell envelope and the precursor of free amino acids acting as a natural moisturizing factor in the stratum corneum. Deimination is critical for the degradation of filaggrin into free amino acids. In this study, we tried to identify the enzyme(s) responsible for the cleavage of deiminated filaggrin in vitro. First, we investigated citrulline aminopeptida...
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Stratifi ed epithelia line all external and internal body surfaces of mammals and function to protect us from water loss, environmental insults, chemical damage, and infection. This protective barrier is composed of a complex mixture of structural proteins and specialized lipids that together form the anuclear squames of the stratum corneum. Filaggrin and caspase-14 are two genes expressed in t...
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The skin plays a key role in protecting the body from the environment and from water loss. Cornified envelope (CE) and natural moisturizing factor (NMF) are considered as the primary regulators of skin hydration and barrier function. The CE prevents loss of water from the body and is formed by cross-linking of several proteins. Among these proteins, filaggrin is an important protein because NMF...
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Filaggrin is very important in the terminal differentiation of the skin and the formation of cornified envelope in the stratum corneum. Several mutations in the filaggrin gene have been identified in the last decade, mostly from the European countries. Loss of function mutations in the filaggrin gene results in reduced production of filaggrin, depending on the type and site of mutation. Such mu...
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ژورنال
عنوان ژورنال: Journal of Investigative Dermatology
سال: 2011
ISSN: 0022-202X
DOI: 10.1038/jid.2011.153