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RBL 2H3 비만세포에서 히스타민 유리와 칼슘과의 관계
박성훈,김수정,김정민,박주현,최방실,이지윤,최미영,심상수,Park, Sung-Hun,Kim, Soo-Jeong,Kim, Jung-Min,Park, Ju-Hyun,Choi, Bang-Shil,Lee, Ji-Yun,Choi, Mi-Yeong,Sim, Sang-Soo 대한약학회 2007 약학회지 Vol.51 No.1
To investigate the relation between extracellular Ca$^{2+}$ and histamine release, we observed agonist-induced histamine release from RBL 2H3 mast cells in the presence or absence of extracellular Ca$^{2+}$ concentration. Histamine release induced by melittin and thapsigargin were greater in the presence of extracellular Ca$^{2+}$ than in the absence of extracellular Ca$^{2+}$. Econazole-induced histamine release had nothing to do with extracellular Ca$^{2+}$, whereas arachidonic acid-induced histamine release increased in the absence of extracellular Ca$^{2+}$. Calmodulin antagonists did not affect melittin-induced histamine release but they may potentiate arachidonic acid-induced histamine release. These data suggest that arachidonic acid-induced histamine release may be mediated via Ca$^{2+}$-independent pathway and may be potentiated by the block of Ca$^{2+}$-dependent pathway.