Age-related changes of vasopressin content of microdissected areas of the rat brain

Daniel M. Dorsa, Lucy Bottemiller

Research output: Contribution to journalArticle

59 Scopus citations

Abstract

Vasopressin contents of posterior pituitaries and intra- and extrahypothalamic nuclei of brains from 3-month and 24-month-old Long-Evans rats and from Brattleboro rats heterozygous (HEDI) and homozygous (HODI) for diabetes insipidus were measured by radioimmunoassay. The pituitary content of vasopressin was highest in young rats and was significantly lower in HEDI tissue. The peptide was not detected in HODI pituitaries. In the brain regions studied both aged and HEDI rats showed reduced vasopressin contents as compared to young animals. In light of evidence of memory deficiencies in both HEDI and HODI rats, the possibility arises that memory decrements associated with senescence may be related to altered vasopressin synthesis and/or secretion occurring with aging of these neuronal systems.

Original languageEnglish (US)
Pages (from-to)151-156
Number of pages6
JournalBrain research
Volume242
Issue number1
DOIs
StatePublished - Jun 17 1982

Keywords

  • Brattleboro rats
  • aging
  • brain nuclei
  • radioimmunoassay
  • vasopressin

ASJC Scopus subject areas

  • Neuroscience(all)
  • Molecular Biology
  • Clinical Neurology
  • Developmental Biology

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