Tyro3 (D38C6) Rabbit mAb #5585

Tyro3 is a receptor tyrosine kinase belonging to the TAM subfamily (Tyro3, Axl, and Mer). All three members have similar domain structures composed of an extracellular region with 2 Ig-like domains, followed by 2 FNII-like domains, a single transmembrane region, and a cytoplasmic tyrosine kinase domain (1). The natural ligand for Tyro3, as well as Axl and Mer, is GAS6 (growth arrest specific gene 6) (1,2). Expression pattern and target knockout data indicate an important role of Tyro3 in apoptotic cell phagocytosis of dendritic cells and macrophages (3), NK cell differentiation (4), reproductive neuron survival and migration (5), osteoclast stimulation (6,7), as well as cortical and hippocampal neuron function (8). Both MAPK and PI3K pathways have been suggested as downstream targets of Tyro3 activation (7,8). Tyro3 has also been shown to be correlated to melanoma tumorigenesis, likely through its regulatory role in the expression of oncogenic microphthalmia-associated transcription factor (MITF) (9).