Proteins [Chemical/Ingredient] Peptides [Chemical/Ingredient] Biological Factors [Chemical/Ingredient] Intercellular Signaling Peptides and Proteins [Chemical/Ingredient] C1136108 Intercellular Signaling Peptides and Proteins Intercellular Signaling Peptides and Proteins M0409590 C291740 D036341 Regulatory proteins and peptides that are signaling molecules involved in the process of PARACRINE COMMUNICATION. They are generally considered factors that are expressed by one cell and are responded to by receptors on another nearby cell. They are distinguished from HORMONES in that their actions are local rather than distal. N0000011384 337799