IA-2 antibody, IA-2/PTP antibody, IA2 antibody, ICA512 antibody, R-PTP-N antibody, mIA-A antibody, mKIAA4064 antibody, Ia-2 antibody, fc43c04 antibody, ptprn antibody, wu:fc43c04 antibody, ia-2 antibody, ia2 antibody, ica512 antibody, r-ptp-n antibody, protein tyrosine phosphatase, receptor type N antibody, protein tyrosine phosphatase, receptor type, N antibody, protein tyrosine phosphatase, receptor type, Na antibody, protein tyrosine phosphatase, receptor type N L homeolog antibody, PTPRN antibody, Ptprn antibody, ptprna antibody, ptprn.L antibody
Background
IA-2/PTPRN is a member of the protein tyrosine phosphatase (PTP) family,which contains a transmembrane region,an intracellular PTP-like domain and an extracellular N-terminus. Experiments found that IA-2/PTPRN localizes to secretory granules and is exclusively expressed in neuroendocrine cells (including pancreatic islets cell). IA-2/PTPRNwas found to be a major autoantigen in insulin-dependent diabetes mellitus and the detection of autoantibodies against IA-2/PTPRN is commonly used as a diabetes diagnosis marker.