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           Search results for: PhosphoSeek™ PTP1B Assay Kit   

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#26808535   2016/01/26 Save this To Up

Glucose Uptake Activities of Bis (2, 3-Dibromo-4, 5-Dihydroxybenzyl) Ether, a Novel Marine Natural Product from Red Alga Odonthaliacorymbifera with Protein Tyrosine Phosphatase 1B Inhibition, In Vitro and In Vivo.

Protein tyrosine phosphatase 1B (PTP1B) is a novel therapeutic target for type-2 diabetes, which negatively regulates the insulin signaling transduction. Bis (2, 3-dibromo-4, 5-dihydroxybenzyl) ether (BDDE), a novel bromophenol isolated from the Red Alga, is a novel PTP1B inhibitor. But the anti-diabetic effects are not clear. In the present study, we evaluated the in vitro and in vivo antidiabetic effects of BDDE.

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Directed In Vivo Angiogen Anti-Infectious Pancreati anti-Protein Tyrosine pho Resorufin Oleate, Fluorog HIV 1 intergase antigen. Human Macrophage Inflamma Human Macrophage Inflamma Amplite™ Fluorimetric A Mouse Anti-Human Interleu Mouse Anti-Human Interleu Mouse Anti-Human Interleu Mouse Anti-Human Interleu

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#21513978   2011/08/29 Save this To Up

PTPIP51 is phosphorylated by Lyn and c-Src kinases lacking dephosphorylation by PTP1B in acute myeloid leukemia.

Protein tyrosine phosphatase interacting protein 51 (PTPIP51) is known to be expressed in blood cells with restriction to the myeloid lineage. All myeloid progenitor cells are PTPIP51 positive except for the myeloblasts. To define the expression of PTPIP51 in acute myeloid leukemia (AML), we performed immunohistochemical experiments with peptide specific antibodies (C-terminus, N-terminus and aas 114-129) to PTPIP51 with samples of AML bone marrow trephine biopsy specimens. AML blasts reacted positive for PTPIP51 protein encompassing the C-terminal sequence. Healthy bone marrow displayed an exclusive staining for the N-terminal containing form of PTPIP51. Moreover, PTPIP51 protein was highly phosphorylated at its tyrosine 176 residue. Acquired confocal images of AML cells displayed an absence of PTP1B and revealed a co-localization of PTPIP51 and Lyn. Duolink proximity ligation assays (DPLA) corroborated an interaction for PTPIP51 with Lyn and c-Src. In AML blasts rarely an interaction of PTPIP51 with PTP1B and Raf-1 was seen. Furthermore, DPLA signals were also obtained for PTPIP51 and c-Kit in AML cells. Therefore, PTPIP51 was identified as a new signal molecule of the c-Kit signaling pathway. By the phosphorylation done by Lyn, c-Src and c-Kit, PTPIP51 is prevented to influence mitogen activated protein kinase pathway on Raf-1 level contributing to increased proliferation of AML cells.

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BYL-719 Mechanisms: PI3K- Interleukin-34 IL34 (N-t Interleukin-34 IL34 anti Anti AGO2 Human, Monoclon Anti AGO2 Mouse, Monoclon Anti AGO2 Human, Monoclon Anti AGO2 Mouse, Monoclon HIV1 integrase antibody, Feline Leukemia Virus gp7 Feline Leukemia Virus gp7 Goat Anti-Human Laforin ( Akt Inhibitor, Isozyme Se

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#15715932   2005/02/17 Save this To Up

Hypoglycemic effect of Astragalus polysaccharide and its effect on PTP1B.

To examine the effects of Astragalus polysaccharide (APS), a component of an aqueous extract of Astragalus membranaceus roots, on protein tyrosine phosphatase 1B (PTP1B), a negative regulator of insulin-receptor (IR) signal transduction, and its potential role in the amelioration of insulin resistance.

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Bcl-2 Oncoprotein; Clone Bcl-2 Oncoprotein; Clone c-erbB-2 Oncoprotein c-erbB-2 Oncoprotein c-erbB-3 Oncoprotein; Cl c-erbB-3 Oncoprotein; Cl c-erbB-2 Oncoprotein; Cl c-erbB-2 Oncoprotein; Cl c-erbB-2 Oncoprotein; Cl c-erbB-2 Oncoprotein; Cl Bcl-2 Oncoprotein; Clone c-erbB-2 Oncoprotein

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