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The clock gene Per2 influences the glutamatergic system and modulates alcohol consumption

Spanagel, Rainer ; Pendyala, Gurudutt ; Abarca, Carolina ; Zghoul, Tarek ; Sanchis-Segura, Carles ; Magnone, Maria Chiara ; Lascorz, Jesús ; Depner, Martin ; Holzberg, David ; Soyka, Michael ; Schreiber, Stefan ; Matsuda, Fumihiko ; Lathrop, Mark ; Schumann, Gunter ; Albrecht, Urs

In: Nature Medicine, 2004, vol. 11, p. 35-42

Period (Per) genes are involved in regulation of the circadian clock and are thought to modulate several brain functions. We demonstrate that Per2Brdm1 mutant mice, which have a deletion in the PAS domain of the Per2 protein, show alterations in the glutamatergic system. Lowered expression of the glutamate transporter Eaat1 is observed in these animals, leading to reduced uptake of glutamate by...