Characterization of patients with glycerol kinase deficiency utilizing cDNA probes for the Duchenne muscular dystrophy locus

Jeffrey A. Towbin, Darong Wu, Jeffrey Chamberlain, Paul D. Larsen, William K. Seltzer, Edward R.B. McCabe

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Genomic DNA from five previously unreported patients with glycerol kinase deficiency (GKD), dystrophic myopathy, and adrenal insufficiency were studied with genomic probes and cDNA probes for the Duchenne muscular dystrophy (DMD) locus. These individuals, together with those reported by ourselves and others, show that patients with a contigous gene syndrome involving the DMD, GK, and adrenal hypoplasia congenita (AHC) loci have a broader distribution of microdeletion breakpoints than those observed among patients with classical DMD. This study demonstrates the use of the DMD cDNA probes to delineate the centromeric deletion breakpoints for patients with Xp21 microdeletions extending beyond the DMD locus. It also shows the practical diagnostic application of the DMD cDNA probes when the diagnosis of GKD is entertained in a patient with known DMD and only DNA is available for study.

Original languageEnglish (US)
Pages (from-to)122-126
Number of pages5
JournalHuman genetics
Volume83
Issue number2
DOIs
StatePublished - Sep 1989

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

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