Non-genomic action of testosterone mediates avian vocal behavior

Yoko Yazaki; Kazutoshi Yamamoto; Toshiya Matsushima; Kiyoshi Aoki

Non-genomic action of testosterone mediates avian vocal behavior

Yoko Yazaki, Kazutoshi Yamamoto, Toshiya Matsushima, Kiyoshi Aoki

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

Abstract

The nucleus intercollicularis (ICo) is a critical region for avian vocalization. Implantation of a testosterone pellet into a specific area in the midbrain of Japanese quail chicks rapidly alters their vocal behavior to crowing from distress calling. The speed with which this change occurs cannot be accounted for by the genomic action of testosterone. We found and purified testosterone binding proteins in the membrane of neurons within the ICo. We suggest that this protein mediates the action of testosterone on vocal behavior. This is the direct evidence that neural membrane protein mediates the action of steroid hormones.

Original language	English
Pages (from-to)	132-135
Number of pages	4
Journal	Proceedings of the Japan Academy Series B: Physical and Biological Sciences
Volume	74
Issue number	6
Publication status	Published - 1998 Jun

Keywords

Avian
Binding proteins
Non-genomic action
Testosterone
Vocal behavior

ASJC Scopus subject areas

Agricultural and Biological Sciences(all)
General

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N2 - The nucleus intercollicularis (ICo) is a critical region for avian vocalization. Implantation of a testosterone pellet into a specific area in the midbrain of Japanese quail chicks rapidly alters their vocal behavior to crowing from distress calling. The speed with which this change occurs cannot be accounted for by the genomic action of testosterone. We found and purified testosterone binding proteins in the membrane of neurons within the ICo. We suggest that this protein mediates the action of testosterone on vocal behavior. This is the direct evidence that neural membrane protein mediates the action of steroid hormones.

AB - The nucleus intercollicularis (ICo) is a critical region for avian vocalization. Implantation of a testosterone pellet into a specific area in the midbrain of Japanese quail chicks rapidly alters their vocal behavior to crowing from distress calling. The speed with which this change occurs cannot be accounted for by the genomic action of testosterone. We found and purified testosterone binding proteins in the membrane of neurons within the ICo. We suggest that this protein mediates the action of testosterone on vocal behavior. This is the direct evidence that neural membrane protein mediates the action of steroid hormones.

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