“Intercellular Signaling Peptides and Intercellular Signaling Proteins”  

Intercellular Signaling Proteins and Peptides

  In our body's cells, Intercellular Signaling Peptides and Intercellular Signaling Proteins, as regulatory proteins and peptides, are the signaling molecules involved in the cellular communications process of paracrine communications (paracrine signaling).
  In our body's cells, Intercellular Signaling Peptides and Intercellular Signaling Proteins are factors expressed by one cell and that are responded to by receptors on another nearby cell.

These intercellular signaling molecules distinguished from hormones because their actions are local rather than distal.
  Examples of intercellular signaling peptides and proteins include:

• adipokines
• agouti-related protein
• agouti signaling protein
• cytokines
• endothelins
• kinins
  • kininogens
  • bradykinin
  • tachykinins
    • eledoisin
    • kassinin
    • neurokinin A
    • neurokinin B
    • physalaemin
    • substance P
  • urotensins
• platelet-derived growth factor
• semaphorins
• somatomedins
  • somatomedin A, aka insulin-like growth factor 2 (IGF-2) encoded by IGF2 gene
  • somatomedin B derived from vitronectin encoded by VTN gene
  • somatomedin C, aka insulin-like growth factor 1 (IGF-1) encoded by IGF1 gene
• transforming growth factors

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