Multiple immune and stromal cell populations via paracrine factors and extracellular vesicles (N/A)

The phrase "Multiple immune and stromal cell populations via paracrine factors and extracellular vesicles" describes a systemic mechanism of intercellular communication rather than a single molecular target. This process is fundamental to the pathophysiology of the tumor microenvironment (TME) and the therapeutic efficacy of mesenchymal stem cells (MSCs) (Source: PubMed, PMC7032290). It involves the secretion of soluble paracrine factors, such as cytokines and growth factors, alongside the release of extracellular vesicles (EVs) that transport proteins, lipids, and nucleic acids to recipient cells (Source: Nature Reviews Molecular Cell Biology). These mediators collectively reprogram the functional states of diverse cell types, including T lymphocytes, macrophages, and fibroblasts, to regulate inflammation or promote tissue repair (Source: Stem Cell Research & Therapy). In oncology, this multi-cellular signaling network is a key driver of immune evasion and therapeutic resistance (Source: Cancer Research). Because it encompasses a vast array of molecules and cell types, it cannot be classified as a discrete therapeutic target for conventional drug development. Instead, it represents a broad biological system that is the focus of emerging "cell-free" therapies and microenvironment-modulating strategies (Source: Journal of Extracellular Vesicles).

Other names

Intercellular communication in the microenvironmentParacrine and EV-mediated signalingMSC-mediated immunomodulationTumor microenvironment secretome signaling

Not applicable as this refers to a multi-component biological process rather than a single drug target.