Encyclopedia of Signaling Molecules

2012 Edition
| Editors: Sangdun Choi

TRP (Transient Receptor Potential Cation Channel)

  • Christian Harteneck
Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-0461-4_72

Synonyms

Historical Background

Calcium is integrated in many physiological processes like muscle contraction, hormone secretion, and intracellular signaling processes (calcium signaling). Prerequisite for this role is the 10,000-fold gradient across the plasma membrane with 2.5 mM extracellular and resting intracellular calcium ion concentration of approximately 100 nM. Calcium ATPases ( Plasma membrane calcium-transporting ATPase) and transporters manage the extrusion of calcium whereas calcium-permeable ion channels enable rapid increases in intracellular calcium up to micromolar concentrations. The biological functions of calcium are mediated by direct calcium binding of the modulated proteins or by protein–protein interaction with calcium sensor proteins (calmodulin, CaBP,...

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References

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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  1. 1.Department of Pharmacology and Experimental Therapy, Institute of Experimental and Clinical Pharmacology and ToxicologyInterfaculty Center of Pharmacogenomics and Pharmaceutical Research (ICePhA), Eberhard-Karls-UniversityTübingenGermany