نتایج جستجو برای: psoralen
تعداد نتایج: 950 فیلتر نتایج به سال:
British Journal of DermatologyVolume 185, Issue 2 p. e50-e50 Plain Language SummaryFree Access Citrus products and risk getting melanoma First published: 16 August 2021 https://doi.org/10.1111/bjd.20542AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text full-text accessPlease review our Terms Conditions Use check box below share ve...
Sir, The development of melanocytic lesions following treatment with psoralen and ultraviolet A (PUVA therapy) is well documented. The first case of lentigines induced by cosmetic UVA tanning was reported in the 1980s (1), and another three cases have been published since then (2 – 5). We report the case of a woman with systemic lupus erythematosus (SLE) who developed generalized persistent mel...
Background: Treatment of early-stage mycosis fungoides (MF) consists of topical steroids, phototherapy (UVB), photochemotherapy (psoralen plus UVA [PUVA]), topical nitrogen mustard, or total skin electronbeam irradiation. It has been reported that the same effective UVB dose is safer than PUVA regarding carcinogenicity and produces fewer side effects. Narrowband UVB (311 nm) results in less irr...
Applying psoralen interstrand crosslinks for the photoactivation of nucleic acids is a new concept. To find chromophores that can efficiently stimulate crosslink repair we screened several pyrenes and appended them to peptide nucleic acids for their site-selective addressing. Even though pyrenes conjugated to uracil revealed desirable spectroscopic properties they were not effective in crosslin...
Hypopigmented mycosis fungoides is a rare variant of the cutaneous T-cell lymphoma, in which hypopigmented lesions are seen without the classical lesions. Only three cases are found in the Latin-American literature. We report the case of a 29-year-old black male patient, who first presented with these lesions 20 years ago. The treatment is similar to the classical forms of the disease: psoralen...
Two new furanocoumarins, 5-(1",1"-dimethylallyl)-8-methyl psoralen (1) and 2"-O-acetyl oxypeucedanin hydrate-3"-methyl ether (2), were isolated from the root heartwood of Ficus carica Linn. together with three known furanocoumarins, two triterpenoids, two long-chain compounds, and a steroid. Their structures and relative configurations were elucidated by spectroscopic methods (IR, HR-ESI-MS, an...
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