Forgot your user name or password? Nerve-derived transmitters including peptides influence cutaneous immunology.
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Pietrzak AT, Zalewska A, Chodorowska G, Krasowska D, Michalak-Stoma A, Nockowski P, et al. Cytokines and anticytokines in psoriasis. Clin Chim Acta. 2008 Aug. 394(1-2):7-21. [Medline].
Conclusions When choosing among treatment options, individuals with psoriasis appear to be willing to accept treatment-related adverse effects to obtain process attributes compatible with their personal and professional life. Incorporating preferences in shared decision making may facilitate treatment adherence and optimize outcome.
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NEWSLETTER Ulvmar MH J Invest Dermatol. 2012; 132: 593-600 Psoriasis is characterized by an abnormally excessive and rapid growth of the epidermal layer of the skin. Abnormal production of skin cells (especially during wound repair) and an overabundance of skin cells result from the sequence of pathological events in psoriasis. Skin cells are replaced every 3–5 days in psoriasis rather than the usual 28–30 days. These changes are believed to stem from the premature maturation of keratinocytes induced by an inflammatory cascade in the dermis involving dendritic cells, macrophages, and T cells (three subtypes of white blood cells). These immune cells move from the dermis to the epidermis and secrete inflammatory chemical signals (cytokines) such as interleukin-36γ, tumor necrosis factor-α, interleukin-1β, interleukin-6, and interleukin-22. These secreted inflammatory signals are believed to stimulate keratinocytes to proliferate. One hypothesis is that psoriasis involves a defect in regulatory T cells, and in the regulatory cytokine interleukin-10.
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