MFN2 gene analysis in patients with hereditary motor and sensory neuropathy from Bashkortostan Republic

MFN2 gene analysis in patients with hereditary motor and sensory neuropathy from Bashkortostan... Hereditary motor and sensory neuropathy (HMSN) type IIA is caused by mutations in the mitofusin type-2 (MFN2) gene and represents one of the most common axonal forms of HMSN. We determined the spectrum and frequency of MFN2 gene mutations in patients from the Bashkortostan Republic (BR). Four different mutations were revealed in 5 out of 170 unrelated patients, i.e., c.2113G>A (p.Val705Ile) (1.2% among all types of HMSN in the total sample of patients and 2% among patients of Tatar ethnicity). This mutation was described previously; c.775C>T (p.Arg259Cys) (0.6%, in the total sample of patients and 2% among the patients of Tatar ethnicity); c.776G>A (p.Arg259His) (0.6% in the total sample of patients and 1.5% among the patients of Russians ethnicity); and c.2171T>C (p.Leu724Pro) (1.2% in the total sample of patients and 7.4% among the patients of Bashkirs ethnicity). These are new mutations that were not observed among healthy family members and in control samples of healthy subjects. Five identified nucleotide substitutions represent single nucleotide polymorphisms of the gene, including c.892G>A (p.Gly298Arg), c.957C>T (Gly319Gly), and c1039-222t>c, which were described previously, while c.175+28c>t and c.2204+15t>c represent new nucleotide substitutions in the intron regions of the gene. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

MFN2 gene analysis in patients with hereditary motor and sensory neuropathy from Bashkortostan Republic

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Publisher
Springer US
Copyright
Copyright © 2013 by Pleiades Publishing, Ltd.
Subject
Biomedicine; Human Genetics; Animal Genetics and Genomics; Microbial Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795413060045
Publisher site
See Article on Publisher Site

Abstract

Hereditary motor and sensory neuropathy (HMSN) type IIA is caused by mutations in the mitofusin type-2 (MFN2) gene and represents one of the most common axonal forms of HMSN. We determined the spectrum and frequency of MFN2 gene mutations in patients from the Bashkortostan Republic (BR). Four different mutations were revealed in 5 out of 170 unrelated patients, i.e., c.2113G>A (p.Val705Ile) (1.2% among all types of HMSN in the total sample of patients and 2% among patients of Tatar ethnicity). This mutation was described previously; c.775C>T (p.Arg259Cys) (0.6%, in the total sample of patients and 2% among the patients of Tatar ethnicity); c.776G>A (p.Arg259His) (0.6% in the total sample of patients and 1.5% among the patients of Russians ethnicity); and c.2171T>C (p.Leu724Pro) (1.2% in the total sample of patients and 7.4% among the patients of Bashkirs ethnicity). These are new mutations that were not observed among healthy family members and in control samples of healthy subjects. Five identified nucleotide substitutions represent single nucleotide polymorphisms of the gene, including c.892G>A (p.Gly298Arg), c.957C>T (Gly319Gly), and c1039-222t>c, which were described previously, while c.175+28c>t and c.2204+15t>c represent new nucleotide substitutions in the intron regions of the gene.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Jul 12, 2013

References

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