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l-Proline, GABA Synthesis and Gamma Oscillations in Schizophrenia
David W Volk1, Guillermo Gonzalez-Burgos1, David A Lewis2
1Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA 15213, USA.
Abstract:
Altered inhibition from parvalbumin-containing GABA neurons is thought to contribute to impaired gamma frequency oscillations and cognitive deficits in schizophrenia. Crabtree and colleagues report that proline dehydrogenase deficits produce excessive cytosolic levels of the GABA-mimetic l-proline which impairs GABA synthesis and gamma oscillations in a manner that mimics schizophrenia.
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