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    GlossaryParacrine Factors

    signaling molecules affecting nearby cells within same tissue

    Paracrine factors are signaling molecules that are released by cells and affect nearby target cells within the same tissue. Unlike hormones that travel through the bloodstream to distant sites, paracrine factors act locally to regulate processes such as cell growth, differentiation, and immune responses. For example, in the context of hair growth, paracrine factors can influence the behavior of hair follicle cells, potentially impacting conditions like alopecia.

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