Motherhood, Oxytocin and the Medial Prefrontal Cortex

母性、催产素和内侧前额皮质

基本信息

  • 批准号:
    7519842
  • 负责人:
  • 金额:
    $ 9万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2008
  • 资助国家:
    美国
  • 起止时间:
    2008-09-02 至 2010-08-31
  • 项目状态:
    已结题

项目摘要

DESCRIPTION (provided by applicant): The postpartum period is accompanied by dramatic endocrine and behavioral alterations. Among these changes are increased basal glucocorticoid levels and decreased estrogen levels. Elevated glucocorticoid and diminished estrogen levels have been associated with cognitive impairment and enhanced anxiety in adult virgin male and female rodents and yet, the majority of postpartum females do not exhibit these negative outcomes. Since motherhood is also associated with elevations in oxytocin (OT), a neuropeptide that has been shown to buffer stress hormone effects on the brain and body, it's possible that OT protects against the potentially damaging postpartum hormonal milieu. The medial prefrontal cortex (mPFC) is a brain region that has been linked to mood disorders, cognitive behavior and maternal care. The mPFC is also sensitive to hormones - both estrogen and glucocorticoids alter dendritic architecture and dendritic spines, sites of excitatory synapses, in the mPFC. During the mentored phase of the award in the laboratory of Prof. Elizabeth Gould, I will investigate whether the structure of the postpartum mPFC is resistant to the detrimental postpartum hormonal environment and whether these changes underlie mPFC dependent behaviors. This work will set the stage for the independent phase of the award which will involve examining whether OT in the mPFC mediates structural and/or behavioral resilience during the postpartum period. The immediate goal of this research is to elucidate the effects of motherhood on mPFC structure and function with the broader objective of obtaining a faculty position where I can continue to identify the factors and mechanisms which underlie resilience of the maternal brain as an independent scientist. Relevance: For many women, becoming a mother is one of the most significant and rewarding human experiences. However, the dramatic hormonal changes that occur during the postpartum period may predispose some new mothers to react negatively to the demands of parenting. Indeed, it is estimated that 10-15% of new mothers experience postpartum depression and/or anxiety. Since the mPFC and OT have been linked to maternal care and mood disorders, understanding motherhood and OT induced structural alterations of the mPFC and their behavioral consequences may provide insight into the mechanisms underlying predisposition and resistance to mental illness.
描述(由申请人提供):产后期间伴随着显着的内分泌和行为变化。这些变化包括基础糖皮质激素水平升高和雌激素水平降低。糖皮质激素水平升高和雌激素水平降低与成年处女雄性和雌性啮齿动物的认知障碍和焦虑增强有关,然而,大多数产后雌性动物没有表现出这些负面结果。由于母性也与催产素(OT)的升高有关,催产素是一种神经肽,已被证明可以缓冲压力激素对大脑和身体的影响,因此OT可能会保护产后激素环境免受潜在的破坏。内侧前额叶皮层(mPFC)是一个与情绪障碍,认知行为和产妇护理有关的大脑区域。mPFC也对激素敏感-雌激素和糖皮质激素都改变mPFC中的树突结构和树突棘,即兴奋性突触的部位。在伊丽莎白·古尔德教授实验室的指导阶段,我将研究产后mPFC的结构是否能抵抗有害的产后激素环境,以及这些变化是否是mPFC依赖行为的基础。这项工作将为该奖项的独立阶段奠定基础,该阶段将涉及研究mPFC中的OT是否在产后期间介导结构和/或行为弹性。这项研究的直接目标是阐明母性对mPFC结构和功能的影响,更广泛的目标是获得一个教师职位,在那里我可以继续确定作为独立科学家的母性大脑恢复力的因素和机制。相关性:对许多妇女来说,成为母亲是最重要和最有益的人类经历之一。然而,在产后期间发生的戏剧性的荷尔蒙变化可能会使一些新妈妈对养育子女的要求产生负面反应。事实上,据估计,10-15%的新妈妈经历产后抑郁和/或焦虑。由于mPFC和OT已被链接到孕产妇保健和情绪障碍,了解母性和OT引起的mPFC结构变化及其行为后果可能提供深入了解的机制,潜在的易感性和抵抗精神疾病。

项目成果

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BENEDETTA J LEUNER其他文献

BENEDETTA J LEUNER的其他文献

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{{ truncateString('BENEDETTA J LEUNER', 18)}}的其他基金

Hormonal Contraceptives and Adolescent Brain Development
激素避孕药和青少年大脑发育
  • 批准号:
    10668018
  • 财政年份:
    2023
  • 资助金额:
    $ 9万
  • 项目类别:
Gestational Stress and Oxytocin-Dopamine Interactions in New Mothers
新妈妈的妊娠应激和催产素-多巴胺相互作用
  • 批准号:
    9131789
  • 财政年份:
    2015
  • 资助金额:
    $ 9万
  • 项目类别:
Motherhood, Oxytocin and the Medial Prefrontal Cortex
母性、催产素和内侧前额皮质
  • 批准号:
    7682068
  • 财政年份:
    2008
  • 资助金额:
    $ 9万
  • 项目类别:
Motherhood, Oxytocin and the Medial Prefrontal Cortex
母性、催产素和内侧前额皮质
  • 批准号:
    8242715
  • 财政年份:
    2008
  • 资助金额:
    $ 9万
  • 项目类别:
Motherhood, Oxytocin and the Medial Prefrontal Cortex
母性、催产素和内侧前额皮质
  • 批准号:
    8191697
  • 财政年份:
    2008
  • 资助金额:
    $ 9万
  • 项目类别:
Motherhood, Oxytocin and the Medial Prefrontal Cortex
母性、催产素和内侧前额皮质
  • 批准号:
    8427294
  • 财政年份:
    2008
  • 资助金额:
    $ 9万
  • 项目类别:
Motherhood and Structural Plasticity in the Hippocampus
母性和海马体的结构可塑性
  • 批准号:
    7247209
  • 财政年份:
    2006
  • 资助金额:
    $ 9万
  • 项目类别:
Motherhood and Structural Plasticity in the Hippocampus
母性和海马体的结构可塑性
  • 批准号:
    7112541
  • 财政年份:
    2006
  • 资助金额:
    $ 9万
  • 项目类别:
Motherhood and Structural Plasticity in the Hippocampus
母性和海马体的结构可塑性
  • 批准号:
    7404391
  • 财政年份:
    2006
  • 资助金额:
    $ 9万
  • 项目类别:
Stress and Sex Effects on Learning and Dendritic Spines
压力和性别对学习和树突棘的影响
  • 批准号:
    6627737
  • 财政年份:
    2002
  • 资助金额:
    $ 9万
  • 项目类别:

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