نتایج جستجو برای: plc
تعداد نتایج: 6213 فیلتر نتایج به سال:
Mutational activation of the ras proto-oncogenes is frequently found in skin cancers. However, the nature of downstream signaling pathways from Ras involved in skin carcinogenesis remains poorly understood. Recently, we and others identified phospholipase C (PLC) as an effector of Ras. Here we have examined the role of PLC in de novo skin chemical carcinogenesis by using mice whose PLC is genet...
Panebra, A., S.-X. Ma, L.-W. Zhai, X.-T. Wang, S. G. Rhee, and S. Khurana. Regulation of phospholipase C-g1 by the actin-regulatory protein villin. Am J Physiol Cell Physiol 281: C1046–C1058, 2001.—The actin-regulatory protein villin is tyrosine phosphorylated and associates with phospholipase C-g1 (PLC-g1) in the brush border of intestinal epithelial cells. To study the mechanism of villin-ass...
The 145-kDa phospholipase C isozyme, PLC-gamma, is an excellent substrate for the epidermal growth factor (EGF) receptor both in vivo and in vitro. We now demonstrate that EGF treatment of HSC-1 cells, a human squamous cell carcinoma-derived cell line that expresses high levels of the EGF receptor, rapidly induces tyrosine phosphorylation of two-thirds of the total cellular PLC-gamma pool. A tw...
A protective effect of statins on primary liver cancer (PLC) risk has been suggested. However, issues about the dose-response relationship, the protective effect of individual statins, and PLC risk reduction among at-risk populations remain unsolved. Therefore, a meta-analysis was conducted. PubMed and EMBASE were searched for studies providing the risk ratio (RR) on statins and PLC risk. Summa...
Association of phospholipase C (PLC)-gamma 1 with the cytoskeleton has been postulated to be one of the crucial steps for PLC-gamma 1 activation and translocation to the plasma membrane. In this report, direct binding assays were carried out to study which fragment of PLC-gamma 1 Src homology region has been able to bind to the actin-cytoskeleton. Using GST fusion proteins containing various de...
Phospholipase C (PLC)-mediated hydrolysis of membrane phospholipids results in the production of diacylglycerol, inositol phosphates, and choline metabolites. Inositol triphosphate increases calcium levels, while diacylglycerol activates protein kinase C. The present studies demonstrate that exogenous PLC generates inositol phosphates, releases choline metabolites, and activates protein kinase ...
Powerline communications (PLC)-based smart meter deployments are now a reality in many regions of the world. Although PLC elements are generally incorporated in smart meters and data concentrators, the underlying PLC network allows the integration of other smart grid services directly over it. The remote control capabilities that automation programs need and are today deployed over their medium...
Schizophrenia is a mental disorder that is characterized by various abnormal symptoms. Previous studies indicate decreased expression of phospholipase C-β1 (PLC-β1) in the brains of patients with schizophrenia. PLC-β1-null (PLC-β1(-/-)) mice exhibit multiple endophenotypes of schizophrenia. Furthermore, a study of PLC-β1 knockdown in the medial prefrontal cortex of mice has shown a specific beh...
Integrin signaling modulates trophoblast adhesion to extracellular matrices during blastocyst implantation. Fibronectin (FN)-binding activity on the apical surface of trophoblast cells is strengthened after elevation of intracellular Ca(2+) downstream of integrin ligation by FN. We report here that phosphoinositide-specific phospholipase C (PLC) mediates Ca(2+) signaling in response to FN. Phar...
approved: Theresa M. Filtz Long-term stimuli of many systems leads to decreased cellular responsiveness, or desensitization. We characterized the desensitization of angiotensin II (Ang 11)-mediated inositol phospholipid (IP) hydrolysis in cultured human aortic smooth muscle cells (HASMC). Although it has been suggested that the desensitization induced by long-term Mg II exposure may result part...
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