LRRC15 (Leucine-Rich Repeat Containing Protein 15) is a transmembrane protein that plays a role in various cellular processes including cell adhesion and migration, extracellular matrix remodeling, regulation of immune responses, and tumor cell growth and metastasis. It is implicated in various diseases, including cancer, osteosarcoma, and fibrosis. [taken from NCBI Entrez Gene (Gene ID: 131578)].