نتایج جستجو برای: pdr1
تعداد نتایج: 102 فیلتر نتایج به سال:
Candida glabrata is an important fungal pathogen which develops rapid antifungal resistance in treated patients. It is known that azole treatments lead to antifungal resistance in this fungal species and that multidrug efflux transporters are involved in this process. Specific mutations in the transcriptional regulator PDR1 result in upregulation of the transporters. In addition, we showed that...
Purpose To evaluate whether NETosis is involved in cytokine-induced ocular inflammation and to track neutrophil extracellular traps (NET) complexes in patients with proliferative diabetic retinopathy (PDR). Methods For the animal model, the eyes of C57BL/6J mice were intravitreally injected with interleukin-8 (IL-8), tumor necrosis factor alpha (TNF-α), or saline. Histology and immunofluoresc...
The anticancer ruthenium complex trans-[tetrachlorobis(1Hindazole)ruthenate(III)], otherwise known as KP1019, has previously been shown to inhibit proliferation of ovarian tumor cells, induce DNA damage and apoptosis in colon carcinoma cells, and reduce tumor size in animal models. Notably, no doselimiting toxicity was observed in a Phase I clinical trial. Despite these successes, KP1019’s prec...
Candida glabrata has emerged as a common cause of fungal infection. This yeast has intrinsically low susceptibility to azole antifungals such as fluconazole, and mutation to frank azole resistance during treatment has been documented. Potential resistance mechanisms include changes in expression or sequence of ERG11 encoding the azole target. Alternatively, resistance could result from upregula...
The anticancer ruthenium complex trans-[tetrachlorobis(1H-indazole)ruthenate(III)], otherwise known as KP1019, has previously been shown to inhibit proliferation of ovarian tumor cells, induce DNA damage and apoptosis in colon carcinoma cells, and reduce tumor size in animal models. Notably, no dose-limiting toxicity was observed in a Phase I clinical trial. Despite these successes, KP1019's pr...
ATP-binding cassette transporters Pdr5 and Yor1 from Saccharomyces cerevisiae control the asymmetric distribution of phospholipids across the plasma membrane as well as serving as ATP-dependent drug efflux pumps. Mutant strains lacking these transporter proteins were found to exhibit very different resistance phenotypes to two inhibitors of sphingolipid biosynthesis that act either late (aureob...
Aim: To understand how transcriptional factors Pdr1 and Pdr3, belonging to the pleiotropic drug resistance system, are activated, regulated after introducing chemical tox- ins cell in model organism Saccharomyces cere-visiae. Methods: Series of molecular methods were applied using different strains ofS. cerevisiae over-expressing proteins interest as a eukaryotic model. The stress in- troduced ...
The Saccharomyces cerevisiae genome contains 16 genes encoding full-size ABC transporters. Each comprises two nucleotide binding folds (NBF) alternating with transmembrane domains (TM). We have studied in detail three plasma membrane multidrug exporters: Pdr5p (TC3.A.1.205.1) and Snq2p (TC3.A.1.205.2) which share NBF-TM-NBF-TM topology as well as Yor1p (TC3.A.1.208.3) which exhibits the recipro...
فوزاریوم سنبله گندم (fhb) یکی از مخرب ترین بیماری های گندم در سراسر جهان می باشد. عامل اصلی این بیماری، fusarium graminearum می باشد. اهمیت این بیماری در محصول گندم به علت کاهش عملکرد و تجمع مایکوتوکسین در دانه های برداشت شده از سنبله های آلوده است که برای انسان و دام خطرناک است. اصلاح برای ایجاد واریته های مقاوم از موثرترین روش های کنترل این بیماری محسوب می شود. هدف از این مطالعه، تشخیص تغییرا...
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