Free amino acids in motor cortex of amyotrophic lateral sclerosis |
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Authors: | Y. Yoshino H. Koike K. Akai |
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Affiliation: | (1) The First Department of Internal Medicine and Department of Pathology, Kyorin University School of Medicine, Mitaka, Tokyo, (Japan) |
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Abstract: | Summary Free amino acids were estimated quantitatively in the motor cortex from 3 patients with amyotrophic lateral sclerosis (ALS) and 11 control subjects. Among 7 amino acids which showed statistically significant changes, taurine was the only one which was increased constantly and most markedly in the motor cortex of all the 3 ALS cases. It was suggested that the metabolism of sulfur amino acids might be affected in comparatively early stages of ALS.Acknowledgments. The authors are grateful to Dr M. Uono, Department of Neurology, Tokyo Metropolitan Hospital of Fuchu, and Dr K. Hirayama, Department of Neurology, Brain Research Institute, School of Medicine, Chiba University, for their generous cooperation. |
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