Anti-Human CIS3/SOCS-3 (19A5) Mouse IgG MoAb

Catalogue Number: 10141-IBL

Manufacturer:IBL - (Immuno-Biologicals Laboratories Co Ltd)
Type:Monoclonal Primary Antibody - Unconjugated
Shipping Condition:Blue Ice
Storage Condition:2-8°C
Unit(s): 200 ug, 20 ug
Host name: Mouse
Clone: 19A5
Isotype: IgG, IgG1
Immunogen: Synthetic peptide of the C-terminal part of human CIS3/SOCS-3
Application: WB


Description: The Janus family of protein tyrosine kinases (JAKs) and STAT transcription factors regulate cellular processes involved in cell growth, differentiation, and transformation through their association with cytokine receptors. The CIS family of proteins (also referred as the SOCS or SSI family) has been implicated in the regulation of signal transduction by a variety of cytokines. The cytokine-inducible SH2 protein-3 (CIS3/SOCS-3/SSI-3) has been shown to inhibit the JAK/STAT pathway and act as a negative regulator of fetal liver erythropoiesis. Recently, it is reported that CIS3 regulates the erythropoietin (EPO) receptor (EPOR) signaling in erythroid progenitors and Ba/F3 cells expressing the EPOR (BF-ER). CIS3 binds directly to the EPOR as well as JAK2 and inhibits EPO-dependent proliferation and STAT5 activation. It is reported that JAB/SOCS-1 is strongly induced by interferon-gamma and forced expression of JAB/SOCS-1 conferred cells interferon resistance. This resistance was caused by inhibition of JAK1 and JAK2 activation in response to IFN gamma. Moreover, recent detailed analysis of JAB/SOCS-1 knockout mice revealed that JAB/SOCS-1 is indeed a 'negative feedback regulator' that determine the sensitivity of cells to IFN gamma.


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