Multiple targets via paracrine signaling modulation

“Multiple targets via paracrine signaling modulation” is a general mechanism, not a specific molecule or receptor. Paracrine signaling is a method of local cell communication where cells secrete signaling molecules (paracrine factors) that diffuse over short distances to act on nearby cells. These factors bind to specific receptors on neighboring cells, triggering a range of intracellular pathways, such as PI3K/AKT, MAPK/ERK, and JAK/STAT, influencing diverse functions including cell proliferation, differentiation, apoptosis, immune response, tissue repair, blood clotting, and vasodilation[2][3][6]. Major classes of paracrine signaling pathways include the Fibroblast Growth Factor (FGF) pathway, Bone Morphogenetic Protein (BMP) pathway, Wnt pathway, and Hedgehog pathway[4][6]. Paracrine modulation as a therapeutic principle usually attempts to influence multiple underlying pathways involved in disease, by altering the release, degradation, or reception of these signaling molecules rather than acting on a single, defined molecular entity. Therefore, “Multiple targets via paracrine signaling modulation” does not describe a canonical, singular drug target, but instead refers to a polypharmacologic or pathway-level strategy with broad and often systemic effects[2][6].

Altering the release, degradation, or reception of paracrine signaling molecules rather than acting on a single, defined molecular entity.