PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1637840-3 1992 We found that various experimental manipulations that increased pHi, such as exposure of the cells to NH4Cl, a decrease of the partial pressure of CO2 or an increase in extracellular pH in the presence of nigericin invariably increased Cai. Ammonium Chloride 102-107 glucose-6-phosphate isomerase Rattus norvegicus 64-67