TLR4 signaling and macrophage inflammatory responses are dampened by GIV/Girdin
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ABSTRACT: Sensing of pathogens by Toll-like receptor 4 (TLR4) induces an inflammatory response; controlled responses confer immunity but uncontrolled responses cause harm. Here we define how a multi-modular scaffold, GIV (a.k.a Girdin) titrates such inflammatory response in macrophages. Upon challenge with microbe-derived lipopolysaccharides (LPS, a ligand for TLR4), macrophages with GIV mount a more tolerant (hypo-reactive) transcriptional response and suppress pro-inflammatory cytokines and signaling pathways (i.e., NFkB and CREB) downstream of TLR4 compared to their GIV-depleted counterparts.
ORGANISM(S): Mus musculus
PROVIDER: GSE153924 | GEO | 2020/07/08
REPOSITORIES: GEO
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