نتایج جستجو برای: gst
تعداد نتایج: 6161 فیلتر نتایج به سال:
Background: Tumor cells need food and oxygen supply for growth and division. Therefore one of the most promising areas of cancer therapy focuses on using agents that inhibit tumor angiogenesis. Inhibition of angiogenesis prevents cell growth, division and metastasis. Previous studies showed that plasminogen related Protein-B has an anti-tumor activity in mice. This protein has a high level of h...
Background: Tumor cells need food and oxygen supply for growth and division. Therefore one of the most promising areas of cancer therapy focuses on using agents that inhibit tumor angiogenesis. Inhibition of angiogenesis prevents cell growth, division and metastasis. Previous studies showed that plasminogen related Protein-B has an anti-tumor activity in mice. This protein has a high level of h...
The glutathione S-transferases (GST) represent a major group of detoxification enzymes. All eukaryotic species possess multiple cytosolic and membrane-bound GST isoenzymes, each of which displays distinct catalytic as well as noncatalytic binding properties: the cytosolic enzymes are encoded by at least five distantly related gene families (designated class alpha, mu, pi, sigma, and theta GST),...
Pi-class glutathione S-transferases (GSTs) play an important role in the detoxification of chemical toxins and mutagens and are implicated in neoplastic development and drug resistance. In all species characterized to date, only one functional Pi-class GST gene has been described. In this report we have identified two actively transcribed murine Pi-class GST genes, Gst p-1 and Gst p-2. The codi...
Phase-change materials serve a broad field of applications ranging from non-volatile electronic memory to optical data storage by providing reversible, repeatable, and rapid switching between amorphous crystalline states accompanied large changes in the electrical properties. Here, we demonstrate how ion irradiation can be used tailor disorder initially Ge 2 Sb Te 5 (GST) thin films via intenti...
متالوتیونین ها (mt) گروهی از پروتئین های غنی از آمینواسیدهای سیستئین و با وزن مولکولی کم (5 تا 10 کیلودالتون) هستندکه می توانند از طریق گروه تیول آمینواسیدهای سیستئن به فلزات متصل شوند. بیشتر مطالعات بر روی متالوتیونین ها در گیاهان به بررسی بیان این ژن ها در بافت های مختلف محدود شده است و تحقیقات اندکی تاکنون بر روی نقش و ساختار متالوتیونین ها صورت گرفته است. تحقیق حاضر با هدف حذف انتهای آمینی ...
BACKGROUND Glutathione (GSH) and the cytosolic glutathione S-transferases (GSTs) protect the gastrointestinal mucosa against the toxic effects of a wide variety of compounds, such as reactive oxygen species and electrophiles. AIMS We wished to investigate the distribution along the upper gastrointestinal mucosa and the influence of clinical variables on components of the GSH system to learn m...
Hookworm glutathione S-transferases (GSTs) are critical for parasite blood feeding and survival and represent potential targets for vaccination. Three cDNAs, each encoding a full-length GST protein from the human hookworm Necator americanus (and designated Na-GST-1, Na-GST-2, and Na-GST-3, respectively) were isolated from cDNA based on their sequence similarity to Ac-GST-1, a GST from the dog h...
A haloenol lactone derivative has been synthesized and found to be an isozyme-selective and active site-directed inactivator of glutathione S-transferase (GST). Preincubation of the haloenol lactone (100 microM) with murine Alpha, Mu, or Pi GST isozyme (1.0 microM) at pH 6.5, 37 degrees C resulted in time-dependent loss of enzyme activity with highly selective inhibition of the Pi isozyme (t1/2...
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