نتایج جستجو برای: excision system
تعداد نتایج: 2268195 فیلتر نتایج به سال:
Abstract Background: Selectable marker gene (SMG) systems are critical for generation of transgenic crops. Transgenic crop production Background: Selectable marker gene (SMG) systems are critical for generation of transgenic crops. Transgenic crop production without using SMG is not economically feasible. However, SMGs are non-essential once an intact transgenic plant has been established. Eli...
background current surgical treatments in peyronie's disease are accompanied by complications such as penile shortening, loss of sensation, erectile dysfunction and recurrence of disease. the aim of this study was the evaluation of clinical results of intracavernosal plaque excision in peyronie's disease. methods the operation was performed on 35 men. it was consisted of incising the ...
objective(s) wound healing represents a dynamic physiological process influenced by many factors. the aim of the present study was to evaluate the effects of teucrium polium honey on the wound healing and tensile strength in rat. materials and methods thirty-six sprague-dawley rats were randomly divided into four equal (n= 9) treatment and control groups. two full-thickness wounds were made ove...
Background: Surgery is the most frequent treatment modality for basal cell carcinoma but in spite of its high cure rate, the frequency of incomplete excision varies widely (0.7-50%) among dermatologic centers. Our case series was designed to determine the frequency of incompletely excised basal cell carcinoma and the related risk factors. Methods: A total of 1424 basal cell carcinoma (1040 pati...
Aim and Background: Cystic hygroma is a congenital malformation of the lymphatic system in which obstruction between the lymphatic and venous pathway in fetal neck leads to lymph accumulation in the jugular sac of nuchal region. Case report: A 8- years- old infant with a huge anterior cervical mass is presented. He became candidate for tumor excision under general anesthesia as the mass did not...
The absence of pyrimidine dimer excision after UV irradiation in rat cell line was confirmed. The possibility of excision repair system depression by acidification of medium with H3PO4 in HeLa cells has been proved. The results obtained by two different methods of deproteinization and DNA isolation are in good conformity.
Ultraviolet light damages DNA by converting two adjacent thymines into a thymine dimer which is potentially mutagenic, carcinogenic, or lethal to the organism. This damage is repaired by photolyase and the nucleotide excision repair system in E. coli by nucleotide excision repair in humans. The work leading to these results is presented by Aziz Sancar in his Nobel Lecture.
the application of e-learning systems - as one of the solutions to the issue of anywhere and anytime learning – is increasingly spreading in the area of education. content management - one of the most important parts of any e-learning system- is in the concern of tutors and teachers through which they can obtain means and paths to achieve the goals of the course and learning objectives. e-learn...
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