PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18214641-8 2008 The large amount of collagen fibrils and hyaluronate molecules which surround the cells scattered in WJ may prevent the access of extracting solution to TGF-beta causing a low extractability of this factor. hyaluronate 41-52 transforming growth factor beta 1 Homo sapiens 153-161