نتایج جستجو برای: iap
تعداد نتایج: 2378 فیلتر نتایج به سال:
The mechanism whereby "islet-activating protein" (IAP) purified from the culture medium of Bordetella pertussis potentiates insulin secretion was studied by experiments in vitro with islets of rats once injected with IAP (0.5 micrograms/100 g body weight, 3 days before killing) or with islets that had been exposed to IAP (0.1 to 100 ng/ml) for 24 h. The IAP treatment markedly enhanced insulin s...
Inhibitor of apoptosis (IAP) proteins are widely expressed throughout nature and suppress cell death under a variety of circumstances. X-linked IAP, the prototypical IAP in mammals, inhibits apoptosis largely through direct inhibition of the initiator caspase-9 and the effector caspase-3 and -7. Two additional IAP family members, cellular IAP1 (cIAP1) and cIAP2, were once thought to also inhibi...
The cellular inhibitor of apoptosis (c-IAP) proteins are E3 ubiquitin ligases that are critical regulators of tumour necrosis factor (TNF) receptor (TNFR)-mediated signalling. Through their E3 ligase activity c-IAP proteins promote ubiquitination of receptor-interaction protein 1 (RIP1), NF-κB-inducing kinase (NIK) and themselves, and regulate the assembly of TNFR signalling complexes. Conseque...
The inhibitor of apoptosis proteins (IAPs) have recently been shown to modulate nuclear factor κB (NF-κB) signaling downstream of tumor necrosis factor (TNF) family receptors, positioning them as essential survival factors in several cancer cell lines, as indicated by the cytotoxic activity of several novel small molecule IAP antagonists. In addition to roles in cancer, increasing evidence sugg...
Exposure to indoor air pollution from solid fuel use (IAP) has been linked to approximately 1.5 million annual deaths (World Health Organization (http://www.who.int/indoorair/publications/fuelforlife/en/index.html)) due to acute lower respiratory infections in children <5 years of age and chronic obstructive lung disease and lung cancer in adults. Emerging evidence suggests that IAP increases t...
Inhibitor of apoptosis proteins (IAP), which are key regulators of apoptosis, are inhibited by second mitochondria-derived activator of caspase (SMAC). Small-molecule IAP antagonists have recently been reported as novel therapeutic treatments for cancer. In this study, we showed that the octahydro-pyrrolo[1,2-a]pyrazine derivative, T-3256336, is a novel and orally available small-molecule IAP a...
Adenylate cyclase of rat adipocyte membranes exhibited dual responses in a strictly GTP-dependent manner; an activation took place in the presence of certain receptor agonists such as isoproterenol or secretin, whereas an inhibitory phase was observed with other agonists such as prostaglandin E1 or purine-modified adenosine as well as with the stimulatory agonists at higher GTP concentrations. ...
Urinary intestinal alkaline phosphatase (EC 3.1.3.1; IAP) is a marker of the S3 segment of the human kidney proximal tubule. An accurate enzyme-antigen immunoassay (EAIA) with a high-affinity specific monoclonal antibody (IAP250) developed for this marker has a detection limit below the lowest IAP activity found in urine samples of normal subjects. The intra- and interassay CVs were less than 5...
BACKGROUND To determine the effects of different intraabdominal pressure (IAP) on the ovaries in a laparoscopic rat model. OBJECTIVES The aim of the study was to determine the effects on the ovaries of different intraabdominal pressures (IAP) in laparoscopic surgery in a rat model. MATERIAL AND METHODS Thirty-two post-pubertal nonpregnant Sprague-Dawley rats were divided randomly into four ...
Severe deficiency of ADAMTS13, a von Willebrand factor (VWF)-cleaving metalloprotease, causes thrombotic thrombocytopenic purpura. When analyzed with VWF multimers, but not with an abbreviated VWF peptide (VWF73) as the substrate, the plasma ADAMTS13 activity levels of mouse strains segregated into a high and a low group that differed by approximately 10 fold. Low ADAMTS13 activity was detected...
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