Primary adhalin deficiency as a cause of muscular dystrophy in patients with normal dystrophin

Asa Ljunggren, David Duggan, Elizabeth McNally, Kevin B. Boylan, Carlos H. Gama, Louis M. Kunkel, Eric P. Hoffman

Research output: Contribution to journalArticle

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Abstract

In our experience, more than half of muscular dystrophy patients show a primary dystrophinopathy. The underlying cause of muscular dystrophy in the vast majority of patients with normal dystrophin is unknown. Recently, a French family with 4 young siblings showing a muscular dystrophy of unknown progression was shown to have a primary deficiency of 'adhalin,' the 50-kd dystrophin-associated protein. Here we report the screening of the entire adhalin coding sequence in muscle biopsy specimens from 30 muscular dystrophy patients to (1) determine whether adhalin deficiency is restricted to the French population, (2) determine the incidence of adhalin deficiency in muscular dystrophy patients, and (3) characterize the clinical features and mutations in adhalin-deficient patients. We identified a single African- American girl with childhood-onset muscular dystrophy and adhalin gene mutations. We found her to be a compound heterozygote for two different mutations of the same amino acid (Arg98Cys; Arg98His), one of which was previously identified in the French family. Our results suggest that primary adhalin deficiency in patients with muscular dystrophy but normal dystrophin is relatively infrequent, and that adhalin-deficient patients are not restricted to the French population.

Original languageEnglish (US)
Pages (from-to)367-372
Number of pages6
JournalAnnals of Neurology
Volume38
Issue number3
DOIs
StatePublished - Sep 1995

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Sarcoglycans
Dystrophin
Muscular Dystrophies
Mutation
Dystrophin-Associated Proteins
Heterozygote
African Americans
Population
Siblings
Biopsy
Amino Acids
Muscles

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Ljunggren, A., Duggan, D., McNally, E., Boylan, K. B., Gama, C. H., Kunkel, L. M., & Hoffman, E. P. (1995). Primary adhalin deficiency as a cause of muscular dystrophy in patients with normal dystrophin. Annals of Neurology, 38(3), 367-372. https://doi.org/10.1002/ana.410380305

Primary adhalin deficiency as a cause of muscular dystrophy in patients with normal dystrophin. / Ljunggren, Asa; Duggan, David; McNally, Elizabeth; Boylan, Kevin B.; Gama, Carlos H.; Kunkel, Louis M.; Hoffman, Eric P.

In: Annals of Neurology, Vol. 38, No. 3, 09.1995, p. 367-372.

Research output: Contribution to journalArticle

Ljunggren, A, Duggan, D, McNally, E, Boylan, KB, Gama, CH, Kunkel, LM & Hoffman, EP 1995, 'Primary adhalin deficiency as a cause of muscular dystrophy in patients with normal dystrophin', Annals of Neurology, vol. 38, no. 3, pp. 367-372. https://doi.org/10.1002/ana.410380305
Ljunggren, Asa ; Duggan, David ; McNally, Elizabeth ; Boylan, Kevin B. ; Gama, Carlos H. ; Kunkel, Louis M. ; Hoffman, Eric P. / Primary adhalin deficiency as a cause of muscular dystrophy in patients with normal dystrophin. In: Annals of Neurology. 1995 ; Vol. 38, No. 3. pp. 367-372.
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