Roles of STAT3 in mediating the cell growth, differentiation and survival signals relayed through the IL-6 family of cytokine receptors

被引:1015
作者
Hirano, T [1 ]
Ishihara, K [1 ]
Hibi, M [1 ]
机构
[1] Osaka Univ, Biomed Res Ctr, Grad Sch Med, Div Mol Oncol C7, Suita, Osaka 5650871, Japan
关键词
IL-6; gp130; STAT3; pim; plasmacytoma; Myc;
D O I
10.1038/sj.onc.1203551
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Members of the IL-6 cytokine family are involved in a variety of biological responses, including the immune response, inflammation, hematopoiesis, and oncogenesis by regulating cell growth, survival, and differentiation, These cytokines use gp130 as a common receptor subunit, The binding of ligand to gp130 activates the JAK/STAT signal transduction pathway, where STAT3 plays a central role in transmitting the signals from the membrane to the nucleus. STAT3 is essential for gp130-mediated cell survival and G1 to S cell-cycle-transition signals. Both c-myc and pim have been identified as target genes of STAT3 and together can compensate for STAT3 in cell survival and cell-cycle transition. STAT3 is also required for gp130-mediated maintenance of the pluripotential state of proliferating embryonic stem cells and for the gp130induced macrophage differentiation of Mt cells. Furthermore, STAT3 regulates cell movement, such as leukocyte, epidermal cell, and keratinocyte migration. STAT3 also appears to regulate B cell differentiation into antibody-forming plasma cells. Since the IL-6/gp130/STAT3 signaling pathway is involved in both B cell growth and differentiation into plasma cells it is likely to play a central role in the generation of plasma cell neoplasias.
引用
收藏
页码:2548 / 2556
页数:9
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