PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9746731-13 1998 These data demonstrate that changes in progesterone production caused by estradiol exposure and deprivation are in part related to luteal cell apoptosis, and alterations in the expression of bcl-2 gene family members may be one of the mechanisms by which estradiol exerts its luteotropic effect in the rabbit CL. Progesterone 39-51 BCL-2 Oryctolagus cuniculus 191-196