نتایج جستجو برای: کلاس 1a1
تعداد نتایج: 12157 فیلتر نتایج به سال:
Humulus lupulus L. (hops) is a popular botanical dietary supplement used by women as a sleep aid and for postmenopausal symptom relief. In addition to its efficacy for menopausal symptoms, hops can also modulate the chemical estrogen carcinogenesis pathway and potentially protect women from breast cancer. In the present study, an enriched hop extract and the key bioactive compounds [6-prenylnar...
M2 is a double-stranded RNA (dsRNA) element occurring in the hypovirulent isolate Rhs 1A1 of the plant pathogenic basidiomycete Rhizoctonia solani. Rhs 1A1 originated as a sector of the virulent field isolate Rhs 1AP, which contains no detectable amount of the M2 dsRNA. The complete sequence (3,570 bp) of the M2 dsRNA has been determined. A 6.9-kbp segment of total DNA from either Rhs 1A1 or Rh...
The flavone backbone is a well-known pharmacophore present in a number of substrates and inhibitors of various P450 enzymes. In order to find highly potent and novel P450 family I enzyme inhibitors, an acetylene group was incorporated into six different positions of flavone. The introduction of an acetylene group at certain locations of the flavone backbone lead to time-dependent inhibitors of ...
There is an urgent need for a rapid diagnostic system to detect the H5 subtype of the influenza A virus. We previously developed monoclonal antibodies (mAbs) against the H5 hemagglutinin (HA) for use in a rapid diagnostic kit. In this study, we determined the epitopes of the anti-H5 HA murine mAbs OM-b, AY-2C2, and YH-1A1. Binding assays of the mAbs to different strains of H5 HAs indicated that...
The common marmoset (Callithrix jacchus), a New World monkey, has potential to be an animal model for drug metabolism studies. In this study, we identified and characterized cytochrome P450 (P450) 1A1 and 1B1 in addition to the known P450 1A2 in marmosets. Marmoset P450 1A1 and 1B1 cDNA contained open reading frames encoding 512 and 543 amino acids, respectively, with high sequence identities (...
زمینه و هدف: لیومیوم رحمی شایعترین تومور خوش خیم عضلات صاف رحم میباشد و تقریباً در ٢٥ تا ٣٠% زنان بالای ٣٠ سال رخ میدهد. رشد و پیشرفت لیومیوم وابسته به استروژن بود و نقش ژن سیتوکروم 450P- کلاس 1A1 (CYP1A1) در متابولیسم استروژن بررسی شده است. لذا این مطالعه با هدف بررسی ارتباط پلی مورفیسم Ile462Val (A>G) در ژن CYP1A1 با لیومیوم رحمی در زنان استان چهارمحال و بختیاری انجام شده است. روش بررسی: در...
Cytosolic sulfotransferases (SULTs) are mammalian enzymes that detoxify a wide variety of chemicals through the addition of a sulfate group. Despite extensive research, the molecular basis for the broad specificity of SULTs is still not understood. Here, structural, protein engineering and kinetic approaches were employed to obtain deep understanding of the molecular basis for the broad specifi...
•Treatment of stage 1A1 cancer of the cervix often involves preservation of the corpus.•Rarely metastasis to the corpus can occur in these cases.
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