Clinical spectrum of valosin containing protein (VCP)-opathy

Mohamed Kazamel, Eric James Sorenson, Kathleen M. McEvoy, Lyell Jones, Andrea N. Leep-Hunderfund, Michelle M Mauermann, Margherita Milone

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Introduction: Valosin containing protein (VCP) mutations cause a rare disorder characterized by hereditary inclusion body myopathy, Paget disease of bone (PDB), and frontotemporal dementia (FTD) with variable penetrance. VCP mutations have also been linked to amyotrophic lateral sclerosis and Charcot-Marie-Tooth disease type 2. Methods: Review of clinical, serological, electrophysiological, and myopathological findings of 6 VCP-opathy patients from 4 unrelated families. Results: Patients manifested muscle weakness between ages 40 and 53 years and developed predominant asymmetric limb girdle weakness. One patient had distal weakness at onset and co-existing peripheral neuropathy. Another patient had PDB, 1 had mild cognitive deficits, and 1 had FTD. All patients had myopathic and neurogenic electromyographic findings with predominant neurogenic changes in 2. Rimmed vacuoles were infrequent, while neurogenic changes were prominent in muscle biopsies. Conclusions: VCP-opathy is a multifaceted disorder in which myopathy and peripheral neuropathy can coexist. The electrophysiological and pathological neurogenic changes raise the possibility of coexisting motor neuron involvement. Muscle Nerve, 2015 Muscle Nerve 54: 94–99, 2016 Muscle Nerve 54: 94–99, 2016.

Original languageEnglish (US)
Pages (from-to)94-99
Number of pages6
JournalMuscle and Nerve
Volume54
Issue number1
DOIs
StatePublished - Jul 1 2016

Fingerprint

Osteitis Deformans
Frontotemporal Dementia
Muscles
Peripheral Nervous System Diseases
Charcot-Marie-Tooth Disease
Mutation
Penetrance
Muscle Weakness
Amyotrophic Lateral Sclerosis
Motor Neurons
Muscular Diseases
Vacuoles
Extremities
CDC48 protein
Biopsy
Nonaka type Distal myopathy

Keywords

  • FTD
  • hereditary IBM
  • inclusion body myopathy
  • Valosin containing protein
  • VCP

ASJC Scopus subject areas

  • Clinical Neurology
  • Cellular and Molecular Neuroscience
  • Physiology (medical)
  • Physiology

Cite this

Clinical spectrum of valosin containing protein (VCP)-opathy. / Kazamel, Mohamed; Sorenson, Eric James; McEvoy, Kathleen M.; Jones, Lyell; Leep-Hunderfund, Andrea N.; Mauermann, Michelle M; Milone, Margherita.

In: Muscle and Nerve, Vol. 54, No. 1, 01.07.2016, p. 94-99.

Research output: Contribution to journalArticle

Kazamel, Mohamed ; Sorenson, Eric James ; McEvoy, Kathleen M. ; Jones, Lyell ; Leep-Hunderfund, Andrea N. ; Mauermann, Michelle M ; Milone, Margherita. / Clinical spectrum of valosin containing protein (VCP)-opathy. In: Muscle and Nerve. 2016 ; Vol. 54, No. 1. pp. 94-99.
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