A RATIONALLY DESIGNED OPTOCHEMOGENETIC SWITCH FOR ACTIVATING CANONICAL WNT SIGNALING

A rationally designed optochemogenetic switch for activating canonical Wnt signaling

A rationally designed optochemogenetic switch for activating canonical Wnt signaling

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Summary: Accurate spatiotemporal control of multicellular self-organization by various signaling pathways is essential for developmental stages.In particular, evolutionarily conserved Wnt signaling serves as a major morphogenetic switch to determine the anteroposterior axis of the embryo.Here, we developed a read more genetically encoded optochemogenetic Wnt switch, named optochemoWnt, by coupling a blue light-inducible CRY2olig and rapamycin-inducible LRP6c clustering.

The rationally designed optochemoWnt successfully modulated Wnt signaling with AND-gated patterns and demonstrated an improved signal-to-noise ratio (SNR).The dual-triggered switch provides a safeguard to prevent signal leakage resulting from ambient light sources under general laboratory conditions.OptochemoWnt expands the molecular toolbox available for the fields of developmental biology and tissue engineering.

In addition, the AND-gated strategy of optochemoWnt may be used for other biomedical applications that integrate user defined switch elements navy drapery fabric with Boolean logic gates.

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