PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11137883-2 2001 When assays were conducted using HEPES buffers, Abeta (25-35), but not the inactive peptide Abeta (35-25), produced a robust increase in intracellular calcium that remained after removal of extracellular calcium but was abolished by the phospholipase C inhibitor U-73122. HEPES 33-38 amyloid beta precursor protein Homo sapiens 48-53