Cd9 - CD9 antigen

Enables integrin binding activity. Involved in several processes, including myoblast fusion involved in skeletal muscle regeneration; paranodal junction assembly; and single fertilization. Acts upstream of or within negative regulation of cell population proliferation. Located in external side of plasma membrane and extracellular exosome. Is expressed in several structures, including alimentary system; axial skeleton; nervous system; sensory organ; and urinary system. Human ortholog(s) of this gene implicated in prostate adenocarcinoma. Orthologous to human CD9 (CD9 molecule). [provided by Alliance of Genome Resources, Apr 2022]