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A human TREK-1/HEK cell line: a highly efficient screening tool for drug development in neurological diseases.

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Moha Ou Maati, Hamid | Peyronnet, Rémi | Devader, Christelle | Veyssiere, Julie | Labbal, Fabien | Gandin, Carine | Mazella, Jean | Heurteaux, Catherine | Borsotto, Marc

Edité par CCSD ; Public Library of Science -

International audience. TREK-1 potassium channels are involved in a number of physiopathological processes such as neuroprotection, pain and depression. Molecules able to open or to block these channels can be clinically important. Having a cell model for screening such molecules is of particular interest. Here, we describe the development of the first available cell line that constituvely expresses the TREK-1 channel. The TREK-1 channel expressed by the h-TREK-1/HEK cell line has conserved all its modulation properties. It is opened by stretch, pH, polyunsaturated fatty acids and by the neuroprotective molecule, riluzole and it is blocked by spadin or fluoxetine. We also demonstrate that the h-TREK-1/HEK cell line is protected against ischemia by using the oxygen-glucose deprivation model.

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