NEUROENDOCRINE CONTROL OF FEMALE PUBERTY
女性青春期的神经内分泌控制
基本信息
- 批准号:8357726
- 负责人:
- 金额:$ 5.82万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2011
- 资助国家:美国
- 起止时间:2011-05-01 至 2012-04-30
- 项目状态:已结题
- 来源:
- 关键词:AffectBrainCell CommunicationCellsCommunicationCompetenceEpidermal Growth FactorFamilyFemaleFundingGenesGenomicsGonadotropin Hormone Releasing HormoneGrantGrowth FactorHormonesHumanHypothalamic structureMediatingMutant Strains MiceNational Center for Research ResourcesNervous system structureNeuraxisNeurogliaNeuronsNeurosecretory SystemsPlayPrimatesPrincipal InvestigatorProcessProteinsProteomicsPubertyRegulatory PathwayResearchResearch InfrastructureResourcesRoleSexual DevelopmentSourceSyndromeSystemUnited States National Institutes of Healthcostreproductive
项目摘要
This subproject is one of many research subprojects utilizing the resources
provided by a Center grant funded by NIH/NCRR. Primary support for the subproject
and the subproject's principal investigator may have been provided by other sources,
including other NIH sources. The Total Cost listed for the subproject likely
represents the estimated amount of Center infrastructure utilized by the subproject,
not direct funding provided by the NCRR grant to the subproject or subproject staff.
These studies examine the role that cell-cell communication within the brain plays in the control of female puberty. The concept is being developed that reciprocal communication between neurons (one of the two main functional and structural units of the central nervous system) and astroglial cells (the other main building block of the nervous system) is critical for the timely acquisition of female sexual maturity and reproductive competence. We have identified several components of this glia-neuron regulatory system and elucidated some of the intercellular mechanisms they employ to transfer information from astroglial cells to the neurons that secrete luteinizing hormone-releasing hormone (LHRH), the hormone controlling female sexual development. A family of growth factors related to a protein known as epidermal growth factor (EGF) was found to be produced by astroglial cells and to function interactively to facilitate LHRH secretion and, thus, regulate the initiation of the pubertal process. Using mutant mice in which the normal function of these pivotal recognition molecules mediating the actions of EGF-related proteins was impaired, we demonstrated that these astroglial-derived growth factors are required for normal female sexual development. We have also used genomic and proteomic approaches to identify new genes that, expressed in the hypothalamus, participate in the control of the pubertal process. Altogether these results provide support for the concept that the syndromes of sexual precocity and delayed sexual development of central origin in humans may be related to abnormalities affecting these major regulatory pathways.
这个子项目是利用这些资源的众多研究子项目之一
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Sergio R Ojeda其他文献
Sergio R Ojeda的其他文献
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{{ truncateString('Sergio R Ojeda', 18)}}的其他基金
Altering Energy Balance by Systemic Delivery of RNAi to the Neuroendocrine Brain
通过将 RNAi 系统性递送至神经内分泌脑来改变能量平衡
- 批准号:
8539523 - 财政年份:2012
- 资助金额:
$ 5.82万 - 项目类别:
Altering Energy Balance by Systemic Delivery of RNAi to the Neuroendocrine Brain
通过将 RNAi 系统性递送至神经内分泌脑来改变能量平衡
- 批准号:
8427058 - 财政年份:2012
- 资助金额:
$ 5.82万 - 项目类别:
NOVEL MECHANISMS UNDERLYING THE TRANSSYNAPTIC CONTROL OF LHRH RELEASE
LHRH 释放的跨突触控制的新机制
- 批准号:
8357725 - 财政年份:2011
- 资助金额:
$ 5.82万 - 项目类别:
NEUROENDOCRINOLOGY OF PUBERTY AND SEXUAL DEVELOPMENT
青春期和性发育的神经内分泌学
- 批准号:
8357881 - 财政年份:2011
- 资助金额:
$ 5.82万 - 项目类别:
MOLECULAR AND STRUCTURAL BASES OF HYPOTHALAMIC PUBERTY
下丘脑青春期的分子和结构基础
- 批准号:
8357754 - 财政年份:2011
- 资助金额:
$ 5.82万 - 项目类别:
RNA INTERFERENCE THERAPY FOR HUNTINGTON'S DISEASE: STUDIES IN NON-HUMAN PRIMATES
亨廷顿病的 RNA 干扰疗法:在非人类灵长类动物中的研究
- 批准号:
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- 资助金额:
$ 5.82万 - 项目类别:
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通过 RNA 干扰引入稳定的不孕症
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8357818 - 财政年份:2011
- 资助金额:
$ 5.82万 - 项目类别:
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