Disruption of estrogen receptor β gene impairs spatial learning in female mice

Emilie F. Rissman, Amy L. Heck, Julie E. Leonard, Margaret A. Shupnik, Jan Åke Gustafsson

Research output: Contribution to journalArticle

200 Scopus citations

Abstract

Here we provide the first evidence, to our knowledge, that estradiol (E2) affects learning and memory via the newly discovered estrogen receptor β(ERβ). In this study, ERβ knockout (ERβKO) and wild.type littermates were tested for spatial learning in the Morris water maze after ovariectomy, appropriate control treatment, or one of two physiological doses of E2. Regardless of treatment, all wild-type females displayed significant learning. However, ERβKOs given the low dose of E2 were delayed in learning acquisition, and ERβKOs administered the higher dose of E2 failed to learn the task. These data show that ERβ is required for optimal spatial learning and may have implications for hormone replacement therapy in women.

Original languageEnglish (US)
Pages (from-to)3996-4001
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume99
Issue number6
DOIs
StatePublished - Mar 19 2002

ASJC Scopus subject areas

  • General

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