FGFR1 is a member of the fibroblast growth factor family, which controls diverse cellular functions such as cell proliferation, migration, and differentiation. OptoFGFR1, an optogenetic method to modulate the FGFR signaling pathway with light by utilizing PHR domain of cryptochrome2 and cytoplasmic region of FGFR1, enabled light-guided activation of FGFR to study its effects on downstream signaling pathway and during diverse biological processes such as cell migration. Here, we describe about optogenetic and microscopic methods to spatiotemporally manipulate FGFR signaling in a single cell or group of cells using confocal microscope and LED array.
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