TNFSF11: Cytokine that binds to TNFRSF11B/OPG and to TNFRSF11A/RANK. Osteoclast differentiation and activation factor. Augments the ability of dendritic cells to stimulate naive T-cell proliferation. May be an important regulator of interactions between T-cells and dendritic cells and may play a role in the regulation of the T-cell-dependent immune response. May also play an important role in enhanced bone-resorption in humoral hypercalcemia of malignancy. Homotrimer. Up-regulated by T-cell receptor stimulation. Highest in the peripheral lymph nodes, weak in spleen, peripheral blood Leukocytes, bone marrow, heart, placenta, skeletal muscle, stomach and thyroid. Belongs to the tumor necrosis factor family. 3 isoforms of the human protein are produced by alternative splicing.
Protein type: Membrane protein, integral
Cellular Component: extracellular space; membrane; cytoplasm; integral to membrane; plasma membrane; extracellular region; intracellular
Molecular Function: protein binding; cytokine activity; tumor necrosis factor receptor superfamily binding; tumor necrosis factor receptor binding
Biological Process: positive regulation of osteoclast differentiation; multicellular organismal development; positive regulation of JNK cascade; osteoclast differentiation; activation of JNK activity; activation of NF-kappaB transcription factor; positive regulation of corticotropin-releasing hormone secretion; positive regulation of homotypic cell-cell adhesion; calcium ion homeostasis; monocyte chemotaxis; positive regulation of MAP kinase activity; regulation of osteoclast differentiation; tumor necrosis factor-mediated signaling pathway; positive regulation of bone resorption; cell differentiation; protein homooligomerization; bone resorption; ossification; positive regulation of I-kappaB kinase/NF-kappaB cascade; cytokine and chemokine mediated signaling pathway; mammary gland epithelial cell proliferation; lymph node development; positive regulation of protein kinase B signaling cascade; organ morphogenesis; positive regulation of transcription factor activity; immune response; positive regulation of transcription from RNA polymerase II promoter; positive regulation of T cell activation; positive regulation of phosphorylation
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