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Abstract #4525

Predicting conversion from normal aging to mild cognitive impairment using 1H-MRS of posterior cingulate cortex

Anna Kiryanova1, Andrei Manzhurtsev1,2,3, Olga Bozhko2,4, Yana Fedorova4, and Natalia Semenova 1,2,3,5
1Lomonosov Moscow State University, Moscow, Russian Federation, 2Clinical and Research Institute of Emergency Pediatric Surgery and Trauma, Moscow, Russian Federation, 3Emanuel Institute of Biochemical Physics of RAS, Moscow, Russian Federation, 4Mental Health Research Center, Moscow, Russian Federation, 5Semenov Federal Research Center of Chemical Physics of the Russian Academy of Sciences., Moscow, Russian Federation


This study aims to identify possible biomarkers of minimal cognitive impairment (MCI) in the posterior cingulate cortex using MR spectroscopy. Absolute concentrations of metabolites such as Cr, NAA, Cho, Glx, Ins were determined in subjects with MCI and in subjects from the normal group. Our study revealed a statistically significant increase in the absolute concentration of choline-containing compounds, as well as the Cho/Cr value in PCC in the MCI group, what may indicate the destruction of cell membranes. The results expand our knowledge in understanding the causes of MCI and are promising for the study of Cho as biomarkers.

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