Neurons, Not Nearby Cells, Decide Dopamine Levels, Study Reports

Neurons, Not Nearby Cells, Decide Dopamine Levels, Study Reports

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Neurons, Not Nearby Cells, Decide Dopamine Levels, Study Reports

Dopamine-releasing cells in the brain, much like most other hormone-producing cells, have a self-regulating feedback mechanism that controls their activity, researchers have discovered. That is, healthy nerve cells themselves determine how much dopamine will be released, the research team found, in contrast with the prevailing view that nearby cells “control” neurons by regulating dopamine’s release. This discovery may help in better understanding and treating Parkinson’s disease, which is caused by the loss of dopamine-making nerve cells…

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