Involvement of both opiate and catecholaminergic receptors of ventromedial hypothalamus in the locomotor stimulant action of thyrotropin-releasing hormone

L. S. Lin, W. T. Chiu, C. J. Shih, M. T. Lin

研究成果: 雜誌貢獻文章

3 引文 (Scopus)

摘要

To explore the mode of the locomotor stimulant action of thyrotropin-releasing hormone (TRH), rats with or without administration of opiate or catecholaminergic receptor antagonists were infused with TRH through previously implanted hypothalamic cannula. Administration of TRH, but not the normal saline or TSH, into the ventromedial hypothalamus caused an enhancement in both the gross movements (including stimulation of forward locomotion, head and body rearing) and fine movements (including increased grooming and head swaying). The locomotor stimulant action provoked by TRH was antagonized by pretreatment of ventromedial hypothalamus with either an alpha-adrenergic receptor antagonist (yohimbine), a dopaminergic receptor antagonist (haloperidol) or an opiate receptor antagonist (naloxone), but not with a beta-adrenergic receptor antagonist (propranolol). The results indicate that all the adrenergic, dopaminergic and opiate receptors in the ventromedial hypothalamus are involved in the TRH-induced hyperactivity in the rat.

原文英語
頁(從 - 到)217-225
頁數9
期刊Journal of Neural Transmission
68
發行號3-4
DOIs
出版狀態已發佈 - 九月 1987
對外發佈Yes

指紋

Thyrotropin-Releasing Hormone
Opioid Receptors
Hypothalamus
Adrenergic Antagonists
Opiate Alkaloids
Head
Receptors, Adrenergic, alpha
Grooming
Yohimbine
Dopamine Antagonists
Receptors, Adrenergic, beta
Haloperidol
Locomotion
Naloxone
Propranolol
Adrenergic Receptors

ASJC Scopus subject areas

  • Neuroscience(all)
  • Medicine(all)

引用此文

Involvement of both opiate and catecholaminergic receptors of ventromedial hypothalamus in the locomotor stimulant action of thyrotropin-releasing hormone. / Lin, L. S.; Chiu, W. T.; Shih, C. J.; Lin, M. T.

於: Journal of Neural Transmission, 卷 68, 編號 3-4, 09.1987, p. 217-225.

研究成果: 雜誌貢獻文章

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abstract = "To explore the mode of the locomotor stimulant action of thyrotropin-releasing hormone (TRH), rats with or without administration of opiate or catecholaminergic receptor antagonists were infused with TRH through previously implanted hypothalamic cannula. Administration of TRH, but not the normal saline or TSH, into the ventromedial hypothalamus caused an enhancement in both the gross movements (including stimulation of forward locomotion, head and body rearing) and fine movements (including increased grooming and head swaying). The locomotor stimulant action provoked by TRH was antagonized by pretreatment of ventromedial hypothalamus with either an alpha-adrenergic receptor antagonist (yohimbine), a dopaminergic receptor antagonist (haloperidol) or an opiate receptor antagonist (naloxone), but not with a beta-adrenergic receptor antagonist (propranolol). The results indicate that all the adrenergic, dopaminergic and opiate receptors in the ventromedial hypothalamus are involved in the TRH-induced hyperactivity in the rat.",
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N2 - To explore the mode of the locomotor stimulant action of thyrotropin-releasing hormone (TRH), rats with or without administration of opiate or catecholaminergic receptor antagonists were infused with TRH through previously implanted hypothalamic cannula. Administration of TRH, but not the normal saline or TSH, into the ventromedial hypothalamus caused an enhancement in both the gross movements (including stimulation of forward locomotion, head and body rearing) and fine movements (including increased grooming and head swaying). The locomotor stimulant action provoked by TRH was antagonized by pretreatment of ventromedial hypothalamus with either an alpha-adrenergic receptor antagonist (yohimbine), a dopaminergic receptor antagonist (haloperidol) or an opiate receptor antagonist (naloxone), but not with a beta-adrenergic receptor antagonist (propranolol). The results indicate that all the adrenergic, dopaminergic and opiate receptors in the ventromedial hypothalamus are involved in the TRH-induced hyperactivity in the rat.

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