Photoageing = شيخوخة الجلد الضيائية Aging of Skin ▪ EFFECTS OF AGING In both developed and developing nations, the number and proportion of older people are increasing. Thirty-one percent of the U.S. population is expected to be 55 years of age or older by the year 2030.1 This demographic shift compels […]
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Photoallergic Contact Dermatitis = التهاب جلدضيائي أرجي بالتماس
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Photosensitivity = التحسس الضيائي ACUTE PHOTOTOXICITY Acute phototoxicity usually occurs within hours of exposure to the phototoxic agent and UV radiation. Symptoms are drug-dose and UV-dose dependent, but at sufficient doses, the patient complains of a burning and stinging sensation on exposed areas, such as forehead, nose, V area of the neck, […]
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Phyto photodermatitis =التهاب الجلد الضيائي بمشاركة النباتات
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Piebaldism=اللمع=مرض جلدي خلقي يتسم بفقدمحصور للخلايا الميلانية PIEBALDISM Piebaldism is caused by mutations in the KIT protooncogene. Stimulation of the KIT receptor tyrosine kinase by its ligand, stem cell factor/KIT ligand, results in the phosphorylation of MITF and potentiation of MITF activity. This relationship between the KIT receptor and MITF, as a final common effector […]
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