نتایج جستجو برای: pgp 95
تعداد نتایج: 306835 فیلتر نتایج به سال:
The human multidrug transporter P-glycoprotein (Pgp, ABCB1) contributes to the poor bioavailability of many anticancer and antimicrobial agents as well as to drug resistance at the cellular level. For rational design of effective Pgp inhibitors, a clear understanding of its mechanism of action and functional regulation is essential. In this study, we demonstrate that inhibition of Pgp-mediated ...
میزان مقاومت چند دارویی و روش اندازه گیری آن در بیماران مبتلا به لوسمی میلوبلاستیک و لنفوبلاستیک حاد
چکید ه سابقه و هدف مقاومت دارویی علت عمده شکست درمانی در بیماری های بدخیم خصوصاًَ بیماری های بدخیم خونی است و شایع ترین نوع مقاومت دارویی به علت بروز pgp (گلیکوپروتئین p ) می باشد. مشکل عمده بروز این ژن در بدخیمی های خونی، عدم وجود یک روش استاندارد برای کشف و بررسی کمیت بروز ژن در نمونه های توموری و عدم تطابق با کلینیک بیمار است. هدف از انجام طرح حاضر، تعیین میزان مقاومت چند دارویی( mdr ) بر ...
P-glycoprotein (Pgp; ABCB1/MDR1) is a major efflux transporter at the blood-brain barrier (BBB), restricting the penetration of various compounds. In other tissues, trafficking of Pgp from subcellular stores to the cell surface has been demonstrated and may constitute a rapid way of the cell to respond to toxic compounds by functional membrane insertion of the transporter. It is not known wheth...
Retrospective analyses in non-randomised cohorts suggest that regimens containing fludarabine/Ara C and/or idarubicin/ara C may be more effective than daunorubicin/AraC (DA)-containing regimens in cases of acute myeloid leukaemia (AML) overexpressing p-glycoprotein (Pgp). We prospectively measured Pgp protein and function by flow cytometry in CD45-gated blasts from 434 AML15 trial patients rand...
Pregnancy-related lumbopelvic pain has varying clinical presentations and effects among subgroups. Different lumbopelvic pain subgroups require different specific management approaches which require the differentiation between lumbar and pelvic girdle pain (PGP). Thirty-one consecutive pregnant women with non-specific lumbopelvic pain were evaluated by two examiners and classified into lumbar p...
Natural products represent the fourth generation of multidrug resistance (MDR) reversal agents that resensitize MDR cancer cells overexpressing P-glycoprotein (Pgp) to cytotoxic agents. We have developed an effective synthetic route to prepare various Strychnos alkaloids and their derivatives. Molecular modeling of these alkaloids docked to a homology model of Pgp was employed to optimize ligan...
میزان مقاومت چند دارویی و روش اندازهگیری آن در بیماران مبتلا به لوسمی میلوبلاستیک و لنفوبلاستیک حاد
چکید ه سابقه و هدف مقاومت دارویی علت عمده شکست درمانی در بیماریهای بدخیم خصوصاًَ بیماریهای بدخیم خونی است و شایعترین نوع مقاومت دارویی به علت بروز pgp (گلیکوپروتئین p ) میباشد. مشکل عمده بروز این ژن در بدخیمیهای خونی، عدم وجود یک روش استاندارد برای کشف و بررسی کمیت بروز ژن در نمونههای توموری و عدم تطابق با کلینیک بیمار است. هدف از انجام طرح حاضر، تعیین میزان مقاومت چند دارویی( MDR ) ب...
PURPOSE Cancers exposed to chemotherapy develop multidrug resistance, a major cause for chemotherapy failure. One mechanism of multidrug resistance development is due to overexpression of P-glycoprotein (Pgp) in these cancer cells. Thus, a prechemotherapy evaluation of Pgp in cancer cells aids in the design of alternative regimens that can circumvent such failure. As few Pgp-specific antibodies...
Gemtuzumab ozogamicin (GO) is a novel immunoconjugate therapy for acute myeloid leukemia (AML). P-glycoprotein (Pgp) confers resistance to GO and is associated with a worse clinical response. To address whether multidrug resistance protein (MRP) affects GO susceptibility, we characterized Pgp, MRP1, and MRP2 expression in CD33+ cell lines and CD33+ AML samples and analyzed the effect of the Pgp...
Multidrug resistance (MDR) is a major obstacle to successful cancer chemotherapy. One important mechanism of MDR involves the multidrug transporter, P-glycoprotein (Pgp), which confers upon cancer cells the ability to resist lethal doses of certain cytotoxic drugs by pumping the drugs out of the cells and thus reducing their cytotoxicity. Pgp belongs to the ATP-binding cassette (ABC) family of ...
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