WNT3A: Ligand for members of the frizzled family of seven transmembrane receptors. Wnt-3 and Wnt-3a play distinct roles in cell-cell signaling during morphogenesis of the developing neural tube. Interacts with PORCN. Interacts with APCDD1 and WLS. Component of the Wnt-Fzd-LRP5-LRP6 signaling complex that contains a WNT protein, a FZD protein and LRP5 or LRP6. Interacts directly in the complex with LRP6. Moderately expressed in placenta and at low levels in adult lung, spleen, and prostate. Belongs to the Wnt family.
Protein type: Secreted; Secreted, signal peptide
Cellular Component: extracellular space; proteinaceous extracellular matrix; cell surface; extracellular region
Molecular Function: protein domain specific binding; protein binding; frizzled binding; transcription coactivator activity; receptor agonist activity; receptor binding; frizzled-2 binding
Biological Process: positive regulation of mesodermal cell fate specification; axon guidance; extracellular matrix organization and biogenesis; positive regulation of protein binding; cell proliferation in forebrain; positive regulation of transcription, DNA-dependent; multicellular organismal development; positive regulation of receptor internalization; positive regulation of caspase activity; positive regulation of collateral sprouting in the absence of injury; Wnt receptor signaling pathway through beta-catenin; palate development; regulation of axonogenesis; signal transduction; negative regulation of axon extension involved in axon guidance; Wnt receptor signaling pathway in forebrain neuroblast division; negative regulation of neurogenesis; BMP signaling pathway; anterior/posterior pattern formation; mammary gland development; cell-cell signaling; regulation of cell differentiation; positive regulation of cell proliferation; positive regulation of B cell proliferation; somatic stem cell division; mesoderm development; hemopoiesis; heart looping; dorsoventral neural tube patterning; positive regulation of cytokine production; platelet activation; somitogenesis; inner ear morphogenesis; Wnt receptor signaling pathway; in utero embryonic development; hippocampus development; negative regulation of fat cell differentiation; positive regulation of peptidyl-serine phosphorylation; osteoblast differentiation; paraxial mesodermal cell fate commitment; organ morphogenesis; axonogenesis; signalosome assembly; spinal cord association neuron differentiation; positive regulation of transcription factor activity; positive regulation of transcription from RNA polymerase II promoter; positive regulation of protein amino acid phosphorylation; determination of left/right symmetry
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