PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27659699-7 2016 RESULTS AND CONCLUSIONS: Despite having higher levels of baseline beta-endorphin and altered beta-endorphin-reactivity to naltrexone, obese individuals reported a similar increase in pain and decrease in pleasantness following naltrexone compared to non-obese individuals. Naltrexone 122-132 proopiomelanocortin Homo sapiens 93-107