PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25397687-6 2014 The synergistic mechanism of arctigenin with the beta2ARagonist involved with the reduction of free Ca2+ was clarified by a dual-luciferase reporter assay for intracellular calcium and the Ca2+ indicator fluo-4/AM to monitor changes in the fluorescence. Fluo 4 204-210 potassium calcium-activated channel subfamily M regulatory beta subunit 2 Homo sapiens 49-54