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Intracellular calcium (effects)

Authoring team

Intracellular calcium may have a role in:

  • intracellular secondary messenger
  • exocrine and endocrine secretion
  • cell division
  • cell locomotion and shape change
  • stimulation of energy production
  • stimulation of muscular contraction

Many of these roles are due to the principle of calcium binding to regulatory or structural proteins e.g. tubulin, troponin C and calmodulin, in order to modulate their activity. Further, the binding of calcium to protein kinase enzymes can trigger the latter into phosphorylating other proteins. This is a means of initiating an amplified cascade.


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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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