Multiple tissue, immune, and neural cell populations via secreted paracrine factors

The phrase "Multiple tissue, immune, and neural cell populations via secreted paracrine factors" describes a broad physiological mechanism rather than a discrete molecular target like a receptor or enzyme. This terminology is primarily associated with the therapeutic action of Mesenchymal Stem Cells (MSCs) and their derivatives, which exert their effects by releasing a "secretome" of bioactive molecules (Galipeau & Sensébé, 2018). These factors, including cytokines, growth factors, and extracellular vesicles, interact with various cell populations to suppress excessive inflammation, stimulate tissue repair, and provide neurotrophic support (Teixeira et al., 2013). Because the effect is mediated by a heterogeneous collection of signals acting across multiple systems, it represents a holistic therapeutic approach rather than a specific drug-target interaction. Clinical applications of this mechanism are currently being explored for conditions such as graft-versus-host disease, Crohn's disease, and various neurological injuries (Caplan & Correa, 2011). Overall, this phrase represents a shift in pharmacology from "one drug, one target" to "cell-based orchestration" of healing processes.

Other names

Mesenchymal stem cell secretome-mediated signalingParacrine signaling mechanismCell-therapy mediated paracrine effects

Modulation of the cellular microenvironment through the secretion of a complex mixture of cytokines, growth factors, and extracellular vesicles that act on neighboring tissue, immune, and neural cells.