Calcium Current Subtypes in GnRH Neurons1
نویسندگان
چکیده
منابع مشابه
Estrogen Directly Represses Gonadotropin-Releasing Hormone (GnRH) Gene Expression in Estrogen Receptor-α (ERα)- and ERβ-Expressing GT1-7 GnRH Neurons1.
Estrogen has wide-ranging and complex effects on the reproductive axis, which are often difficult to interpret from in vivo studies. Estrogen negatively regulates tonic GnRH synthesis and also plays a pivotal role in the positive regulation of GnRH necessary for the preovulatory surge. To dissect the mechanisms by which these divergent effects occur, we attempted to observe the direct action of...
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Calcium currents are critical to the intrinsic properties of neurons and the networks that contain them. These currents make attractive targets for neuromodulation. Here, we examine the serotonergic modulation of specific calcium current subtypes in neonatal (P0-5) intersegmental commissural interneurons (CINs), members of the hindlimb locomotor central pattern generator in the mouse spinal cor...
متن کاملGnRH-I and GnRH-II-induced calcium signaling and hormone secretion in neonatal rat gonadotrophs.
Two forms of gonadotropin-releasing hormone (GnRH), GnRH-I and GnRH-II, are commonly present in mammals. The main hormone controlling reproduction is GnRH-I acting through its receptor (GnRHR-I), whereas the function of GnRH-II is unknown. In primates, it has been suggested that GnRH-II is a specific agonist for the structurally distinct GnRHR-II. Here we compared effects of GnRH-I and GnRH-II ...
متن کاملCrustacean Phasic and Tonic Motor Neurons1
SYNOPSIS. Crustacean motor neurons subserving locomotion are specialized for the type of activity in which they normally participate. Neurons responsible for maintained activity (‘tonic’ neurons) support moderate to high frequencies of nerve impulses intermittently or continuously during locomotion, while those recruited for short-lasting rapid responses (‘phasic’ neurons) generally fire a few ...
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ژورنال
عنوان ژورنال: Biology of Reproduction
سال: 2003
ISSN: 0006-3363,1529-7268
DOI: 10.1095/biolreprod.103.019265