The Role of Waixenicin A as Transient Receptor Potential Melastatin 7 Blocker
2013-08-08 11:35:51 조회수654
Byung Joo Kim, Joo Hyun Nam, Young Kyu Kwon, Insuk So, Seon Jeong Kim Center for Bio-Artificial Muscle and Department of Biomedical Engineering, Hanyang University, Seoul, Korea 원문 링크 :


Transient receptor potential melastatin 7 (TRPM7) plays a role in a number of physiological and pharmacological functions in variety of cells. The aim of this study was to clarify the role for TRPM7 channels and the effect of waixenicin A on the pacemaking activity of interstitial cells of Cajal (ICCs) and on the cell viability of the human gastric and breast adenocarcinoma cell lines, AGS and MCF-7, respectively. Waixenicin A decreased the amplitude of pacemaker potentials in cultured ICC clusters and inhibited TRPM7 currents, but had no effect on Ca2+-activated Cl− conductance (ANO1). Furthermore, waixenicin A was found to inhibit the growth and survival of AGS and MCF-7 cells. These findings indicate that TRPM7 channel modulates intestinal motility and regulates the pathophysiology of human gastric and breast adenocarcinoma cells. These findings suggest that TRPM7 channel be considered a potential target for the treatment of gut motor disorders and gastric and breast cancer.

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