Figure 1From: Extreme sensitivity of gene expression in human SH-SY5Y neurocytes to ultra-low doses of Gelsemium sempervirens Morphological and functional properties of SH-SY5Y neuroblastoma cells used in the assay. A. Phase contrast micrograph of adherent cells cultured in Petri dishes. Bar, 10 μm. B. Spectrofluorometric measurement of intracellular calcium changes induced by carbachol at the specified doses.Back to article page