نتایج جستجو برای: tab2
تعداد نتایج: 145 فیلتر نتایج به سال:
BACKGROUND Nutrient deprivation causes significant stress to the unicellular microalga, Chlamydomonas reinhardtii, which responds by significantly altering its metabolic program. Following N deprivation, the accumulation of starch and triacylglycerols (TAGs) is significantly altered following massive reprogramming of cellular metabolism. One protein that was found to change dramatically and ear...
Purpose: To investigate the effect of miR-493-5p in lipopolysaccharide (LPS) -induced ATDC5 chondrogenic cells.
 Methods: The MTT assay was used to determine viability LPS-induced cells. ENCORI (starbase.sysu.edu.cn/) predict target miR-493-5p. Quantitative reverse-transcription-polymerase chain reaction (qRT-PCR) expression controlled cells and treated with various combinations LPS, negat...
Epstein-Barr virus latent membrane protein 1 (LMP1) activation of NF-kappaB is critical for Epstein-Barr virus-infected B lymphocyte survival. LMP1 activates the IkappaB kinase complex and NF-kappaB through two cytoplasmic signaling domains that engage tumor necrosis factor receptor-associated factor (TRAF)1/2/3/5 or TRADD and RIP. We now use cells lacking expression of TRAF2, TRAF5, TRAF6, IKK...
The mechanism by which YopP simultaneously inhibits mitogen-activated protein kinase (MAPK) and nuclear factor-kappaB pathways has been elusive. Ectopic expression of YopP inhibits the activity and ubiquitination of a complex consisting of overexpressed TGF-beta-activated kinase 1 (TAK1) and its subunit TAK1-binding protein (TAB)1, but not of MEK kinase 1. YopP, but not the catalytically inacti...
Interleukin-1 (IL-1) receptor-associated kinase (IRAK) plays an important role in the sequential formation and activation of IL-1-induced signaling complexes. Previous studies showed that IRAK is recruited to the IL-1-receptor complex, where it is hyperphosphorylated. We now find that the phosphorylated IRAK in turn recruits TRAF6 to the receptor complex (complex I), which differs from the prev...
The TAK1 plays a pivotal role in the innate immune response of Drosophila by controlling the activation of JNK and NF-kappaB. Activation of TAK1 in mammals is mediated by two TAK1-binding proteins, TAB1 and TAB2, but the role of the TAB proteins in the immune response of Drosophila has not yet been established. Here, we report the identification of a TAB2-like protein in Drosophila called dTAB2...
Homeostasis in reproductive tissues requires integration of hormonal and inflammatory signals. In this issue of Cell, Zhu et al. (2006) discover that proinflammatory signals switch repressed steroid hormone receptors into transcriptional activators by targeting TAB2, an adaptor protein that tethers corepressors. These findings have implications for the treatment of endocrine-resistant cancers.
The adapter protein TRAF6 is critical for mediating signal transduction from members of the IL-1R/TLR and TNFR superfamilies. The TRAF6 RING finger domain functions as an ubiquitin E3 ligase capable of generating non-degradative K63-linked ubiquitin chains. It is believed that these chains serve as docking sites for formation of signaling complexes, and that K63-linked autoubiquitination of TRA...
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