Chapter title |
Electrophysiological Features of Telocytes
|
---|---|
Chapter number | 19 |
Book title |
Telocytes
|
Published in |
Advances in experimental medicine and biology, January 2016
|
DOI | 10.1007/978-981-10-1061-3_19 |
Pubmed ID | |
Book ISBNs |
978-9-81-101060-6, 978-9-81-101061-3
|
Authors |
Daniel Dumitru Banciu, Adela Banciu, Beatrice Mihaela Radu, Banciu, Daniel Dumitru, Banciu, Adela, Radu, Beatrice Mihaela |
Abstract |
Telocytes (TCs) are interstitial cells described in multiple structures, including the gastrointestinal tract, respiratory tract, urinary tract, uterus, and heart. Several studies have indicated the possibility that TCs are involved in the pacemaker potential in these organs. It is supposed that TCs are interacting with the neighboring muscular cells and their network contributes to the initiation and propagation of the electrical potentials. In order to understand the contribution of TCs to various excitability mechanisms, it is necessary to analyze the plasma membrane proteins (e.g., ion channels) functionally expressed in these cells. So far, potassium, calcium, and chloride currents, but not sodium currents, have been described in TCs in primary cell culture from different tissues. Moreover, TCs have been described as sensors for mechanical stimuli (e.g., contraction, extension, etc.). In conclusion, TCs might play an essential role in gastrointestinal peristalsis, in respiration, in pregnant uterus contraction, or in miction, but further highlighting studies are necessary to understand the molecular mechanisms and the cell-cell interactions by which TCs contribute to the tissue excitability and pacemaker potentials initiation/propagation. |
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