Benifits for Skin:Keratins are epithelial-specific intermediate filaments and play an important cytostructural role in cells, in addition to cell functions such as motility, proliferation, and apoptosis. They also have a protective role for epithelial cells, helping cells contend with environmental stressors such as mechanical insults. There are over 50 different types of keratin proteins, highly conserved across mammals. Disorders in keratin production often results in hyperkeratosis, or thickening of SC due to trauma. Topical keratins have been shown to reduce the degree of keratodermas. Keratin can be extracted from human hair or sheep’s wool, and is commonly used in skin moisturizers and topical hair strengthening agents.Many studies have been conducted to show the beneficial effects of keratin on skin renewal. Woolderived keratin has recently been shown to stimulate keratinocyte migration as well as types IV and VII collagen expression in fibroblasts. This shows that treatment with keratin results in rejuvenation of the epithelium as well as strengthening of the epithelial basement membrane. A new keratin-based hydrogel was used on a patient with epidermolysis bullosa, and resulted in improved robustness of skin and healing.115 A randomized trial comparing 3% keratin to control showed that keratin is effective on disturbed skin.116 Another study showed that topical keratin treatment leads to higher skin elasticity and capacitance. Keratins conjugated to liposomes made of internal wood lipids are more effective than topical aqueous solutions. Studies have also been conducted on the topical application of synthetic fibronectin-like peptides. These, like keratin, smoothed the skin surface and also reduced hyperpigmentation of the skin.
The Human Protein Atlas project can be subdivided into three efforts: Human Tissue Atlas, Cancer Atlas, and Human Cell Atlas. Theantibodies that have been generated in support of the Tissue and Cancer Atlas projects have been tested by immunohistochemistry against hundreds of normal and disease tissues and through the recent efforts of the Human Cell Atlas project, many have been characterized by immunofluorescence to map the human proteome not only at the tissue level but now at the subcellular level. These images and the collection of this vast data set can be viewed on the Human Protein Atlas (HPA) site by clicking on the Image Gallery link. To view these protocols and other useful information about Prestige Antibodies and the HPA, visit .
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