期刊
INTERNATIONAL MEDICAL CASE REPORTS JOURNAL
卷 13, 期 -, 页码 41-45出版社
DOVE MEDICAL PRESS LTD
DOI: 10.2147/IMCRJ.S237620
关键词
Charcot-Marie-Tooth type 2A; mitofusin2; optic atrophy; mitochondria; visual field
资金
- University of Bari, Bari, Italy [00724113]
Charcot-Marie-Tooth (CMT) constitutes a group of heterogeneous hereditary motor and sensor neuropathies. Mutations in mitofusin-2 (MFN2) cause CMT type 2A by altering mitochondrial fusion and trafficking along with the axonal microtubule system. In literature patients presenting with CMT2A are reported as having a subacute onset of optic atrophy associated with central scotoma and color vision defects. We report on the clinical and genetic findings in a 40 years-old Caucasian woman presenting with CMT type 2A and MFN2 mutation (c.2258duplT/p.Leu753fs) who presented bilateral progressive optic atrophy with bilateral severe concentric narrowing of the visual field but normal visual acuity and color vision. This is the first report that describes such phenotypical manifestation of an MFN2 mutation suggesting that the molecular mechanisms underlying the mitofusin-2 function alteration at optic nerve need to be investigated further.
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