IL1B: Produced by activated macrophages, IL-1 stimulates thymocyte proliferation by inducing IL-2 release, B-cell maturation and proliferation, and fibroblast growth factor activity. IL-1 proteins are involved in the inflammatory response, being identified as endogenous pyrogens, and are reported to stimulate the release of prostaglandin and collagenase from synovial cells. Monomer. Belongs to the IL-1 family.
Protein type: Cytokine
Chromosomal Location of Human Ortholog: 3q36
Cellular Component: autophagic vacuole; cytoplasmic vesicle; cytosol; extracellular region; extracellular space; lysosome; secretory granule; vesicle
Molecular Function: cytokine activity; interleukin-1 receptor binding; protein domain specific binding
Biological Process: activation of MAPK activity; acute inflammatory response; chronic inflammatory response to antigenic stimulus; cytokine-mediated signaling pathway; elevation of cytosolic calcium ion concentration; fever; germ cell programmed cell death; hyaluronan biosynthetic process; immune response; inflammatory response; interleukin-1 beta production; interleukin-6 production; learning and/or memory; leukocyte migration; lipopolysaccharide-mediated signaling pathway; MAPK cascade; memory; negative regulation of cell proliferation; negative regulation of glutamate secretion; negative regulation of insulin receptor signaling pathway; negative regulation of lipid catabolic process; negative regulation of lipid metabolic process; negative regulation of MAP kinase activity; negative regulation of neurogenesis; negative regulation of neuron differentiation; negative regulation of synaptic transmission; negative regulation of transcription from RNA polymerase II promoter; neutrophil chemotaxis; ovulation; positive regulation of angiogenesis; positive regulation of apoptosis; positive regulation of astrocyte differentiation; positive regulation of cell division; positive regulation of cell migration; positive regulation of cell proliferation; positive regulation of chemokine biosynthetic process; positive regulation of fever; positive regulation of glial cell differentiation; positive regulation of granulocyte macrophage colony-stimulating factor production; positive regulation of heterotypic cell-cell adhesion; positive regulation of I-kappaB kinase/NF-kappaB signaling; positive regulation of immature T cell proliferation in the thymus; positive regulation of interferon-gamma production; positive regulation of interleukin-2 biosynthetic process; positive regulation of interleukin-6 biosynthetic process; positive regulation of interleukin-6 production; positive regulation of interleukin-8 production; positive regulation of JNK cascade; positive regulation of JUN kinase activity; positive regulation of lipid catabolic process; positive regulation of membrane protein ectodomain proteolysis; positive regulation of mitotic nuclear division; positive regulation of neuron apoptotic process; positive regulation of NF-kappaB import into nucleus; positive regulation of NF-kappaB transcription factor activity; positive regulation of nitric oxide biosynthetic process; positive regulation of phagocytosis; positive regulation of prostaglandin secretion; positive regulation of protein phosphorylation; positive regulation of stress-activated MAPK cascade; positive regulation of T cell proliferation; positive regulation of transcription factor activity; positive regulation of transcription from RNA polymerase II promoter; positive regulation of transcription, DNA-templated; protein kinase B signaling; regulation of defense response to virus by host; regulation of I-kappaB kinase/NF-kappaB cascade; regulation of insulin secretion; regulation of nitric-oxide synthase activity; response to ATP; response to carbohydrate stimulus; response to drug; response to estradiol; response to ethanol; response to gamma radiation; response to glucocorticoid stimulus; response to heat; response to hypoxia; response to L-ascorbic acid; response to lipopolysaccharide; response to morphine; response to nutrient; response to organic cyclic compound; response to organonitrogen compound; response to ozone; response to peptide hormone; response to vitamin D; sequestering of triacylglycerol; social behavior; wound healing
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