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Σάββατο 3 Ιουνίου 2017

Deletion of one allele of Mthfd1 (methylenetetrahydrofolate dehydrogenase 1) impairs learning in mice

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Publication date: 14 August 2017
Source:Behavioural Brain Research, Volume 332
Author(s): Eneda Pjetri, Steven H. Zeisel
The MTHFD1 gene encodes for methylenetetrahydrofolate dehydrogenase 1, an enzyme that has an important role in folate-mediated one-carbon metabolism. In people, a single nucleotide polymorphism of this gene (1958G>A; rs2236225) is associated with increased risk for bipolar disorder and schizophrenia, neural tube and other birth defects. Mice homozygous for a loss of Mthfd1 via a gene-trap mutation are not viable, and heterozygotes, though they appear healthy, have metabolic imbalances in the folate- and choline-mediated 1-carbon metabolic pathways. In this study, we evaluated cognitive function in Mthfd1gt/+ male and female mice using a behavioral battery composed of eight different tests. We found that these mice display impaired cue-conditioned learning, while other behaviors remain intact.



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