Homozygous MFN2 variants causing severe antenatal encephalopathy with clumped mitochondria
Arnaud Chevrollier,
Adeline Alice Bonnard,
Lyse Ruaud
et al.
Abstract:Pathogenic variants in MFN2 gene are commonly associated with autosomal dominant (CMT2A2A) or recessive (CMT2A2B) Charcot-Marie-Tooth disease, with possible involvement of the central nervous system. Here, we present a case of severe antenatal encephalopathy with lissencephaly, polymicrogyria and cerebellar atrophy. Whole Genome Analysis revealed a homozygous deletion c.1717-274_1734 del (NM_014874.4) in MFN2 gene, leading to exon 16 skipping and in-frame loss of 50 amino acids (p.Gln574_Val624del), removing t… Show more
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