psoralen

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pso·ra·len

 (sôr′ə-lən)
n.
Any of a group of chemical compounds found in certain plants, used to treat psoriasis and vitiligo.

[From New Latin Psōralea, plant genus, from Greek psōralea, neuter pl. of psōraleos, mangy (from the appearance of the plants' leaves), from psōrā, itch.]

psoralen

(ˈsɔːrəˌlɛn)
n
(Pharmacology) any of various naturally occurring photoreactive chemicals, found in some plants, some of which are used in the treatment of skin disorders such as psoriasis and vitiligo.
Translations

psoralen

n psoraleno; — plus ultraviolet A (PUVA) psoraleno más luz ultravioleta A
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The remission of pruritus was also induced through PUVA therapy (photochemotheropy with UV type A), method whose mechanism of action is the inhibition of DNA through the formation of stable links between pyrimidine bases and through reducing the number of epidermal cells, Langerhans type, resulting in a decrease of inflammatory cells.
4% of subjects, who were resistant to topical treatment, with systemic corticosteroids and PUVA therapy.
In 2005, Bari et al evaluated the efficacy of UVB and PUVA therapy in moderate plaque psoriasis10.
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