نتایج جستجو برای: psoralen
تعداد نتایج: 950 فیلتر نتایج به سال:
BACKGROUND Root of Ficus hirta (RFH) is widely consumed in China as a plant-derived popular food. However, contents of the active constituents of RFH are unknown, and the chemical as well as bioactive properties of RFH may be affected by growing area. In order to ensure the standard efficacy of health products made with RFH, its active constituents should firstly be determined and, secondly, a ...
Granuloma annulare (GA) is an idiopathic benign skin disease, characterized by annular dermal plaques or papules. Much is still unknown concerning its aetiology, association, and pathogenesis.We report two patients with generalized GA (GGA), with different age of presentation, co-morbidities, and disease morphology. Herein, we report two patients with GGA with different clinical features,...
Replication fork reversal was investigated in undigested and linearized replication intermediates of bacterial DNA plasmids containing a stalled fork. Two-dimensional agarose gel electrophoresis, a branch migration and extrusion assay, electron microscopy, and DNA-psoralen cross-linking were used to show that extensive replication fork reversal and extrusion of the nascent-nascent duplex occurs...
There is a relatively higher incidence of penile cancer in India 3.32 per 100 000 men, whereas Jewish men have the lowest incidence. The risk factors include phimosis, balanitis, and no circumcision. Human papillomavirus accounts for 40% cases. Other obesity, smoking, Psoralen UV- A therapy. Penile common above age 50 years. 95% squamous cell, carcinoma. Treatment carcinoma stage wise, where su...
Aminomethyltrioxsalen (AMT), a psoralen, is known to cause interstrand crosslinks in double stranded nucleic acids. We have demonstrated the photochemical reversal of this reaction, and have used this result to develop a method for identification of specific sequences which are adjacent because of RNA secondary structure formation. E. coli 5S rRNA is used as a model system. We isolated and char...
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