Growth factors, such as platelet-derived growth factor, function in _____ signaling.

Question

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Growth factors like platelet-derived growth factor function in paracrine signaling, which means they affect nearby cells by diffusing through the extracellular matrix. They do not travel through the bloodstream (endocrine signaling) or act on the same cell that produced them (autocrine signaling). They also do not require direct cell-to-cell contact (contact-dependent signaling).

Growth Factors, Such as Platelet-Derived Growth Factor, Function in _____