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Testosterone regulates BCL-2 immunoreactivity in a sexually dimorphic motor pool of adult rats

  • University of Massachusetts
  • University of Maryland, Baltimore

Research output: Contribution to journal › Article › peer-review

Abstract

Bcl-2 and Bax immunoreactivity were examined in the spinal nucleus of the bulbocavernosus (SNB), an androgen-sensitive motor pool of adult rats. Castration reduced Bcl-2 immunoreactivity and testosterone treatment of castrates prevented this decline. Hormone manipulations did not affect Bcl-2 or Bax staining in the retrodorsolateral nucleus (RDLN), a relatively androgen-insensitive nucleus at the same spinal level. Changes in Bcl-2 expression may underlie the hormonal control of cell death and/or neural plasticity in SNB motoneurons.

Original languageEnglish
Pages (from-to)312-316
Number of pages5
JournalBrain Research
Volume950
Issue number1-2
DOIs
StatePublished - Sep 20 2002

ASJC Scopus Subject Areas

  • General Neuroscience
  • Molecular Biology
  • Clinical Neurology
  • Developmental Biology

Keywords

  • Androgen
  • Bax
  • Bcl-2
  • Cell death
  • Neural plasticity
  • Spinal nucleus of the bulbocavernosus

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