...Juan Xiang; Hua Wang; Tingyu Li Background: Several studies have suggested that vitamin D (VD) deficiency (VDD) is associated with atopic dermatitis (AD). However, little is known about the relationship between AD and vitamin A (VA). The interaction between VA and VD on AD requires further study...

...Olivier Sorg; Jean-Hilaire Saurat Vitamin A is an important constituent of the epidermis, where it plays a crucial role in epidermal turnover. A deficiency of epidermal vitamin A may be the consequence of nutritional vitamin A deficiency, exposure to sunlight or any UV source, oxidative stress...

... (Vitamin A 30 000 I.U., Vitamin E, 70 mg) 4. Angiotri-B (HCl- of l-arginine, 250 mg. Vitamin B 1 , 100 mg. Vitamin B 6 , 100 mg. Vitamin B 12 , 250 mg) Statistical analysis did not show any difference between the spermatograms of the control group and any of the treated patients. 16 10 2009 ©...

...S. Günther; W. Alston The normal ranges of vitamin A (retinol) and carotene were investigated in 31 healthy subjects. In 3 patients suffering from hyperkeratosis follicularis et parafollicularis (Kyrle’s disease), pityriasis rubra pilaris, and keratosis follicularis (Darier’s disease), the serum...

...Christopher C. Kuni High oral doses of vitamin A given to Irish rats bearing squamous carcinomas failed to produce detectable light level histologic change in the tumors. The cell line was grown in tissue culture with and without vitamin A; electron-microscopic examination failed to reveal...

..., quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements. Retinyl acetate Epidermal cell proliferation Vitamin A Retinol...

..., immunofluorescence-histological, and ultrastructural findings revealed a capillaritis with humoral as well as cellular inflammation. With treatment of the neoplasm the paraneoplasia regressed under additional treatment with topical steroids. The vitamin A deficit could not be normalized by oral or parenteral vitamin...

...Saskia de Kroes; G. Smeenk 35 patients attending a hospital dialysis unit were questioned for the presence and severity of pruritus. Attention was given to skin anomalies and loss of hair. In all patients the serum vitamin A level was determined. Although all of them showed an increased serum...

... differentiation. Retinoids and Cell Differentiation Dermatologica 175: suppl. 1, pp. 28-36 (1987) 1 1987 S. Karger AG, Basel 0011-9075/87/1757-0028 S 2.75/0 Retinoid Effects on the Epidermis Peter M. Elias Dermatology Service, Veterans Administration Medical Center, San Francisco, Calif., USA Keywords. Vitamin...

... from any ideas, methods, instructions or products referred to in the content or advertisements. Paronychia Pyogenic granuloma HIV-1 protease inhibitor Indinavir Vitamin A Retinoic acid Retinoid Acitretin Etretinate Isotretinoin HIV-1 protease activity is essential...

...A. Vahlquist Vitamin A (retinol) is the prototype of all other natural retinoids. It is composed of a nonaromatic ring structure, a polyprenoid side chain and a carbonyl end group. These features make it liable to metabolic interconversion and protein interactions but also cause detergent-like...

... that the hormonal control of the sebaceous gland could be a complex mechanism. Retinoids inhibited sebocyte proliferation in a dose-dependent manner and down-regulated lipid synthesis and sebocyte differentiation in vitro. Isotretinoin was the most potent compound. On the other hand, vitamin A was found essential...