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Cellular Instruction Molecules

Meaning

Cellular Instruction Molecules are specific biochemical agents, often peptides, hormones, or growth factors, that carry precise signals to target cells, dictating their behavior, function, or fate. These molecules act as the body’s internal communication system, regulating processes like differentiation, proliferation, repair, and apoptosis. Their correct signaling is paramount for maintaining tissue homeostasis and orchestrating complex physiological responses.