Diagnostic for sjorgen's syndrome based on a biomarker

摘要

A method, assay, peptide and antibody that forms an antibody-antigen conjugate with the peptide comprising the amino acid sequence:;GPPPPPGKPQGPPPQGGNKPQGPPPPGKPQGPPAQGGSKSQSARAPPGKPQGPPQQE GNNPQGPPPPAGGNPQQPQAPP or an amino acid sequence that is at least 75% identical to said sequence, and the formation of an antigen-antibody conjugate is a positive indictor for Sjögren's Syndrome.