Expanding the histopathological spectrum of CFL2-related myopathies

F Fattori, C Fiorillo, C Rodolico, G Tasca, M Verardo, E Bellacchio, S Pizzi, A Ciolfi, G Fagiolari, A Lupica, P Broda, M Pedemonte, M Moggio, C Bruno, M Tartaglia, E Bertini, A D'Amico

Research output: Contribution to journalArticlepeer-review

Abstract

Congenital myopathies (CMs) caused by mutation in cofilin-2 gene (CFL2) show phenotypic heterogeneity ranging from early-onset and rapid progressive forms to milder myopathy. Muscle histology is also heterogeneous showing rods and/or myofibrillar changes. Here, we report on three new cases, from two unrelated families, of severe CM related to novel homozygous or compound heterozygous loss-of-function mutations in CFL2. Peculiar histopathological changes showed nemaline bodies and thin filaments accumulations together to myofibrillar changes, which were evocative of the muscle findings observed in Cfl2-/- knockout mouse model.
Original languageEnglish
Pages (from-to)1234-1239
Number of pages6
JournalClinical Genetics
Volume93
Issue number6
DOIs
Publication statusPublished - Jun 1 2018

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