Hexosaminidase a deficiency manifesting as spinal muscular atrophy of late onset

Avi Karni, Ruth Navon, Menachem Sadeh

Research output: Contribution to journalArticlepeer-review

Abstract

Proximal lower limb weakness and fasciculations were the only clinical manifestations of hexosaminidase A (Hex A) deficiency in a 39‐year‐old woman. Hex A activity in serum and leukocytes was 0 to 4% by standard heat inactivation fluorogenic substrate methods, and 5% when Hex A isoenzymes were fractionated by diethyl‐aminoethanol cellulose chromatography. Computed tomography of the brain showed cerebellar atrophy. We suggest that Hex A activity studies be done in patients with typical as well as a typical spinal muscular atrophy.

Original languageEnglish
Pages (from-to)451-453
Number of pages3
JournalAnnals of Neurology
Volume24
Issue number3
DOIs
StatePublished - Sep 1988
Externally publishedYes

ASJC Scopus subject areas

  • Clinical Neurology
  • Neurology

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