Multiple targets via paracrine secretion

Multiple targets via paracrine secretion" refers to a biological process in which one cell secretes signaling molecules—such as growth factors, cytokines, or morphogens—into the local extracellular environment, which then act on several nearby cells, each expressing specific receptors for these factors[1][2][3][4][9]. The outcome is the simultaneous modulation of various cellular responses (e.g., proliferation, differentiation, survival) in the local microenvironment. Examples of canonical paracrine factors include fibroblast growth factors (FGFs), bone morphogenetic proteins (BMPs), Wnts, and Hedgehog proteins, each binding to their own receptor families to activate distinct signaling pathways[1][2]. This mechanism is fundamental in tissue development, stem cell function, inflammation, and disease pathogenesis, but as a term it does not represent a single druggable target.

Other names

Paracrine communicationParacrine signalingParacrine factor secretion