Lysosome . Secreted . Apical cell membrane; Peripheral membrane protein; Extracellular side . Localizes to the lumen of thyroid follicles and to the apical membrane of thyroid epithelial cells. .
Tissue Expression
Predominantly expressed in osteoclasts (bones) (PubMed:7805878). Expressed in thyroid epithelial cells (PubMed:11082042).
Signaling_pathway
Cellular Processes >> Transport and catabolism >> Lysosome;Cellular Processes >> Cell growth and death >> Apoptosis;Organismal Systems >> Immune system >> Toll-like receptor signaling pathway;Organismal Systems >> Development and regeneration >> Osteoclast differentiation;Human Diseases >> Immune disease >> Rheumatoid arthritis