PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17446490-3 2007 Here we report that the three isoforms show similar activity evaluated as [Ca2+]i increase evoked by Na+-free medium exposure in Fura-2-loaded single cells and NCX3 transfected cells are less vulnerable to chemical hypoxia compared to NCX1- and NCX2-transfected cells, suggesting that NCX3 could play a more relevant protective role during chemical hypoxia. Fura-2 129-135 solute carrier family 8 member A1 Homo sapiens 235-239