Second messenger

{
  "id": "MLC-T-CHM-010607",
  "term": "Second messenger",
  "field": "Chemistry",
  "definition": "An intracellular signaling molecule that relays signals from receptors on the cell surface to target molecules within the cell, initiating a cascade of biochemical events. These molecules are produced or released in response to the binding of a first messenger, such as a hormone or neurotransmitter, to its receptor. Common examples include cyclic AMP (cAMP), cyclic GMP (cGMP), calcium ions, and inositol triphosphate (IP3).",
  "subject": "Chemistry and Human Health",
  "see_also": [
    "agonist",
    "effector",
    "receptor"
  ],
  "references": [
    "PAC, 2004, 76, 1033. 'Glossary of terms used in toxicokinetics (IUPAC Recommendations 2003)' on page 1070 (https://doi.org/10.1351/pac200476051033)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/second-messenger/"
}