PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2970980-1	1988	In this study we examined the effect of experimental diabetes and of treatment with an aldose reductase inhibitor on the level of sulfation of glomerular basement membrane (GBM) heparan sulfate, the principal glycosaminoglycan in this extracellular matrix.	Glycosaminoglycans	209-226	aldo-keto reductase family 1 member B1	Rattus norvegicus	87-103