نتایج جستجو برای: gst p53
تعداد نتایج: 48486 فیلتر نتایج به سال:
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...
It is widely accepted that specific human papillomavirus (HPV) types are the central etiologic agent of cervical carcinogenesis. However, a number of infected women do not develop invasive lesions, suggesting that other environmental and host factors may play decisive roles in the persistence of HPV infection and further malignant conversion of cervical epithelium. Although many previous report...
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...
The humoral immune response against an Entamoeba histolytica recombinant protein has been investigated. The 628 bp Bam HI-Eco RI DNA fragment (L1b) from the M11 cDNA clone, partially coding for a 220 kDa (L220) protein, was ligated in-frame into the pGEX-3X plasmid vector to produce the fusion protein GST-L1b. BALB/c mice were immunized with different doses of the GST-L1b fusion protein (10-500...
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