Cell signaling plays a central role in modern life science research. Intercellular communications are carried out by small molecules interacting with their targets at the cell membrane followed by activation of a series of intracellular processes which eventually affect cell growth and survival. There are a limited number of key signaling pathways that operate during development, including Notch signaling pathway, TGF-β signaling pathway, Wnt signaling pathway, and Hedgehog signaling pathway. https://www.cd-biosciences...