Targeting disruption of histamine H1 receptors in mice: Behavioral and neurochemical characterization

Kazuhiko Yanai, Li Zi Son, Masatosi Endou, Eiko Sakurai, Takehiko Watanabe

研究成果: Article査読

36 被引用数 (Scopus)

抄録

With gene targeting, one can practically knock out a gene in vivo and create a mutant organism that completely lacks the gene product. The mutant mice lacking histamine H1 receptors was generated by the method of gene targeting. In brains of homozygous mutant mice, no specific binding of [3H]pyrilamine was seen. The mutant mice showed impaired locomotor activity and exploratory behavior in an open field and activity wheel. Behaviors of the mutant mice were examined with several other tasks such as passive avoidance test, resident-intruder aggression test and formalin test to clarify the role for the H1 receptors in behaviors. Behavioral changes observed in the mutant mice are almost compatible with those obtained by the classical pharmacological tools. In correlation to the behavioral changes in the mutant mice, 5-hydroxytryptamine release was significantly increased in the brains of mutant mice.

本文言語English
ページ(範囲)1607-1610
ページ数4
ジャーナルLife Sciences
62
17-18
DOI
出版ステータスPublished - 1998 3 27

ASJC Scopus subject areas

  • 生化学、遺伝学、分子生物学(全般)
  • 薬理学、毒性学および薬学(全般)

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