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Effects of Paris chinensis dioscin on intracellular [Ca2+] expression in human gastric cancer SGC-7901 cells. A: Fluorescence image of [Ca2+]i under laser scanning confocal microscope at 600 ×; B: Qualitative changes of [Ca2+]i were inferred from the fluorescence intensity after Paris chinensis dioscin (PCD) treatment for 24 h, using SimplePCI imaging systems. Data are presented as mean ± SD (error bar). aP < 0.01 vs control.
