PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2591455-8 1989 Moreover, it appeared that the expression of thermotolerance was strongly dependent on medium conditions: the thermotolerance ratio (TTR, ratio between slopes of survival curves of thermotolerant and normal cells) was much lower at low pH or in cells heated in HBSS. hbss 261-265 transthyretin Mus musculus 133-136