Creatine synthesis and exchanges between brain cells: What can be learned from human creatine deficiencies and various experimental models?

@article{HannaElDaher2016CreatineSA,
  title={Creatine synthesis and exchanges between brain cells: What can be learned from human creatine deficiencies and various experimental models?},
  author={Layane Hanna-El-Daher and Olivier Braissant},
  journal={Amino Acids},
  year={2016},
  volume={48},
  pages={1877-1895}
}
While it has long been thought that most of cerebral creatine is of peripheral origin, the last 20 years has provided evidence that the creatine synthetic pathway (AGAT and GAMT enzymes) is expressed in the brain together with the creatine transporter (SLC6A8). It has also been shown that SLC6A8 is expressed by microcapillary endothelial cells at the blood–brain barrier, but is absent from surrounding astrocytes, raising the concept that the blood–brain barrier has a limited permeability for… 

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