<prompt> Auto antibody in Sjogrens syndrome is?Anti centromere antibodyAnti Ro anti LaAnti ds DNAAnti RNP  <response>: Robbins basic pathology 9th edition page no 131,green boxPathogenesis Most patients with primary sjogren syndrome have auto antibodies to the ribo-nucleoprotien RNP antigensSS-ARO and SS-Bla. 