منابع مشابه
Skin Surface Lipids in Infants
The lipid on the surface of human skin is composed of wax esters and squalene from the sebaceous glands, cholesterol and cholesterol esters arising predominantly from the superficial epidermis, and glycerides plus free fatty acids from both sources. The activity of the sebaceous glands goes th rough a number of phases and is largely dependent on underlying endocrine factors. It is high immediat...
متن کاملAntimicrobial lipids at the skin surface
The skin surface represents our interface with the external environment, and as such, is our first line of defense against microbial colonization and infection. Lipids at the skin surface are thought to underlie at least part of an antimicrobial barrier. Some of these lipids are synthesized in the epidermis and are carried to the surface as cells differentiate, whereas others are secreted onto ...
متن کاملepidermal hydration and skin surface lipids in patients with long term complications of sulfur mustard poisoning
background: despite almost the three decades passed since the chemical attacks of iraqi’s army against the iranian troops, some veterans are still suffering from long-term complications of sulfur mustard (sm) poisoning, including certain skin complaints specially dryness, burning, and pruritus. we thus aimed to evaluate the skin’s water and lipid content in patients with a disability of >25% du...
متن کاملSkin lipids: an update.
The stratum corneum lipids, responsible for the epidermal water barrier, consist principally of ceramides, cholesterol, cholesteryl sulfate, and free fatty acids. These lipids are arranged in multiple intercellular lamellae that provide an efficient water barrier because of the crystalline array of the straight and predominantly saturated lipid chains. Interlamellar linkages provided by lipids ...
متن کاملVariability in the composition of human skin surface lipids in tropical climates.
Skin surface lipid samples were collected by the hexane sponge technique from the foreheads of 180 male and 131 female Saudi subjects living in the Jeddah-Makkah area (summer temperatures up to 47 degrees C). The lipid samples were analyzed by densitometric thin layer chromatography. Seven major lipid classes were determined. The percentages for squalene, cholesterol esters, wax esters, triglyc...
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ژورنال
عنوان ژورنال: Journal of Investigative Dermatology
سال: 1973
ISSN: 0022-202X
DOI: 10.1111/1523-1747.ep12682022