PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22733805-10 2012 Thus, it is possible that SPARC plays an important modulatory role in regulating angiogenesis and progesterone production during luteal development. Progesterone 98-110 secreted protein acidic and cysteine rich Bos taurus 26-31