CD14 Human Recombinant Protein

The protein encoded by this gene is a surface antigen that is preferentially expressed on monocytes/macrophages. It cooperates with other proteins to mediate the innate immune response to bacterial lipopolysaccharide. Alternative splicing results in multiple transcript variants encoding the same protein. [provided by RefSeq, Mar 2010]

CD14: Cooperates with MD-2 and TLR4 to mediate the innate immune response to bacterial lipopolysaccharide (LPS). Acts via MyD88, TIRAP and TRAF6, leading to NF-kappa-B activation, cytokine secretion and the inflammatory response. Up-regulates cell surface molecules, including adhesion molecules.

Protein type: Membrane protein, GPI anchor

Chromosomal Location of Human Ortholog: 5q31.1

Cellular Component: extracellular space; cell surface; plasma membrane; extracellular region; endosome membrane; lipid raft

Molecular Function: peptidoglycan receptor activity; protein binding; opsonin receptor activity; lipopolysaccharide binding

Biological Process: I-kappaB kinase/NF-kappaB cascade; apoptosis; MyD88-independent toll-like receptor signaling pathway; positive regulation of endocytosis; toll-like receptor 3 signaling pathway; positive regulation of tumor necrosis factor production; phagocytosis; toll-like receptor 2 signaling pathway; MyD88-dependent toll-like receptor signaling pathway; response to magnesium ion; response to ethanol; cell surface receptor linked signal transduction; response to heat; toll-like receptor signaling pathway; innate immune response; response to electrical stimulus; inflammatory response; toll-like receptor 4 signaling pathway; positive regulation of cytokine secretion