Abstract
In an in vivo dialysis experiment, the intra-medial frontal cortex infusion of a system A and Asc-1 transporter inhibitor, S-methyl-l-cysteine, caused a concentration-dependent increase in the dialysate contents of an endogenous coagonist for the N-methyl-d-aspartate (NMDA) type glutamate receptor, d-serine, in the cortical portion. These results suggest that these neutral amino acid transporters could control the extracellular d-serine signaling in the brain and be a target for the development of a novel threapy for neuropsychiatric disorders with an NMDA receptor dysfunction.
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This work was supported by the CREST (Core Research for Evolutional Science and Technology) program funded by the Ministry of Education, Culture, Sports, Science and Technology of Japan.
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These authors Sayuri Ishiwata and Shigehiro Ogata have contributed equally to this work.
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Ishiwata, S., Ogata, S., Umino, A. et al. Increasing effects of S-methyl-l-cysteine on the extracellular d-serine concentrations in the rat medial frontal cortex. Amino Acids 44, 1391–1395 (2013). https://doi.org/10.1007/s00726-013-1464-6
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DOI: https://doi.org/10.1007/s00726-013-1464-6