نتایج جستجو برای: tyrosine phosphatase
تعداد نتایج: 112745 فیلتر نتایج به سال:
Tyrosine phosphorylation is controlled by the opposing actions of tyrosine kinases and phosphotyrosine phosphatases (PTPs). src homology 2 domains (SH2) are found in several types of signaling proteins, including some tyrosine kinases. These domains bind phosphotyrosyl proteins and thus help promote signal transduction. Using mixed oligonucleotide-directed polymerase chain reactions, two previo...
Among breast cancers, triple-negative breast cancer (TNBC) is the most poorly understood and is refractory to current targeted therapies. Using a genetic screen, we identify the PTPN12 tyrosine phosphatase as a tumor suppressor in TNBC. PTPN12 potently suppresses mammary epithelial cell proliferation and transformation. PTPN12 is frequently compromised in human TNBCs, and we identify an upstrea...
Protein tyrosine phosphatase zeta (PTPzeta) is a receptor type protein tyrosine phosphatase that uses pleiotrophin as a ligand. Pleiotrophin inactivates the phosphatase activity of PTPzeta, resulting in the increase of tyrosine phosphorylation levels of its substrates. We studied the functional interaction between PTPzeta and DNER, a Notch-related transmembrane protein highly expressed in cereb...
Platelet endothelial cell adhesion molecule-1 (PECAM-1, CD31) functions to control the activation and survival of the cells on which it is expressed. Many of the regulatory functions of PECAM-1 are dependent on its tyrosine phosphorylation and subsequent recruitment of the Src homology (SH2) domain containing protein tyrosine phosphatase SHP-2. The recent demonstration that PECAM-1 tyrosine pho...
allergic rhinitis (ar) is an ige-mediated upper airway disease, and its impact on asthma has been widely recognized. protein tyrosine phosphatase non-receptor 22 (ptpn22) gene and the cytotoxic t-lymphocyte–associated antigen 4 (ctla-4) gene polymorphisms have been reported to be associated with several immune-related diseases. here we investigated the reffect of these two genes’ polymorphisms ...
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