Cell-cell communication via transfer of proteins, microRNAs, and lipids

Cell-cell communication via transfer of proteins, microRNAs, and lipids represents a *collection of mechanisms* where cells exchange molecular signals through direct contact (e.g., membrane fusion, tunneling nanotubes), vesicle trafficking (such as exosomes or membrane-bound vesicles), or transient membrane extensions[4][1][5]. These processes orchestrate coordination between multiple cell types across tissues, taking part in essential biological events such as immune modulation, proliferation, apoptosis, and development[5][7]. Structures including tunneling nanotubes and membrane synapses facilitate direct transfer of signaling molecules and materials, especially in immune and nervous systems[4][1]. While this process is crucial in health and disease, the target itself is *not* a defined molecule or receptor, thus is not amenable to classic drug targeting; however, its individual components (e.g., exosome machinery, specific proteins or microRNAs) may be subject to targeted therapeutic intervention in certain contexts[5][4].\n\nIf you require information on a specific molecular target (e.g., a surface receptor, a particular microRNA, or a transport protein) involved in intercellular communication, clarification or narrowing the focus to an individual molecule would allow for structured canonical target data.

Other names

intercellular protein/microRNA/lipid transfertunneling nanotube-mediated transferintercellular vesicle traffickingdirect membrane transfer