Serum amyloid P in Alzheimer's disease. Implications for dysfunction of the blood-brain barrier

R. N. Kalaria, T. E. Golde, M. L. Cohen, S. G. Younkin

Research output: Contribution to journalArticle

47 Scopus citations

Abstract

We describe widespread serum amyloid P (AP) immunoreactivity in cerebral lesions including neurofibrillary tangles, senile plaques, and vessels in Alzheimer's disease (AD). To elucidate the mechanisms of its origin in cerebrospinal fluid and localization in brain, we searched for AP mRNA by the polymerase chain reaction. Our findings show that with the exception of liver, AP mRNA was not detectable in any of the brain regions tested or choroid plexus. These observations support extravasation or transport of this serum protein across the blood-brain barrier or the blood-cerebrospinal fluid barrier in the brain of subjects with AD.

Original languageEnglish (US)
Pages (from-to)145-148
Number of pages4
JournalAnnals of the New York Academy of Sciences
Volume640
DOIs
StatePublished - 1991

ASJC Scopus subject areas

  • Neuroscience(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • History and Philosophy of Science

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