Changes in brain gene expression shared by scrapie and Alzheimer disease

  1. J R Duguid,
  2. C W Bohmont,
  3. N G Liu, and
  4. W W Tourtellotte
  1. Geriatric Research, Education and Clinical Center, Edith N. Rogers Memorial Veterans Hospital, Bedford, MA 01730.

Abstract

We have isolated two recombinant cDNAs whose corresponding RNAs have an increased abundance in scrapie-infected hamster brain. DNA sequence analysis has shown that these two recombinants represent the genes for sulfated glycoprotein 2 and transferrin. The abundance of sulfated glycoprotein 2 RNA is increased in hippocampus from patients with Alzheimer disease and Pick disease, whereas transferrin RNA is not strongly modulated in these conditions. Expression of two previously identified scrapie-modulated genes, encoding glial fibrillary acidic protein and metallothionein, is also increased in both of these neurodegenerative diseases.

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  1. PNAS September 1, 1989 vol. 86 no. 18 7260-7264
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