PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6360758-11 1983 It is of particular interest that the affinity of the amyloid deposits for Congo red stain was totally abolished by prior permanganate treatment, suggesting that the amyloid was derived from serum amyloid A protein rather than from immunoglobulin light chains or insulin aggregates per se. Congo Red 75-84 insulin Canis lupus familiaris 263-270