Bioenergetic and metabolic consequences of the loss of ovarian function in women
女性卵巢功能丧失的生物能和代谢后果
基本信息
- 批准号:10225533
- 负责人:
- 金额:$ 44.7万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2012
- 资助国家:美国
- 起止时间:2012-09-20 至 2023-05-31
- 项目状态:已结题
- 来源:
- 关键词:AbdomenAddressAdipocytesAdipose tissueAgingAgonistAnimalsAntibodiesAreaArea Under CurveAwardBackBioenergeticsBiologicalBiological Specimen BanksBloodBlood specimenBone DensityBone MarrowChronic DiseaseChronologyClinical ResearchCollaborationsColoradoCortisoneCountryDataDisciplineEnergy MetabolismEnzymesEstradiolEstrogen ReceptorsEstrogensFailureFatty acid glycerol estersFollicle Stimulating HormoneFutureGlucocorticoidsGoalsGonadotropin Hormone Releasing HormoneHealthHomeostasisHourHumanHydrocortisoneHydroxysteroid DehydrogenasesImpairmentInsulin ResistanceInterventionKnock-outKnowledgeLeadLifeLightMediatingMediator of activation proteinMenopauseMetabolicMetabolic dysfunctionMetabolismMicrodialysisMitochondriaMusObesityOralOsteoporosisOutcomeOvarianOvarian AblationOvariectomyPhysical activityPlacebosPostmenopausePremenopauseProcessRandomizedRegulationResearchResearch PersonnelRestRiskRodentSerumSex DifferencesTissue SampleUrineVascular EndotheliumVisceralVisceral fatWomanWomen&aposs Healthabdominal fatage effectbasebone lossbone masscardiometabolismclinical translationdensityexperimental studygonad functionindexingmenmiddle ageovarian failurepre-clinicalpreventprimary outcomeresponsesecondary outcomeskeletalsubcutaneoustherapeutic target
项目摘要
The focus of Project 1 on Bioenergetic and Metabolic Consequences of the Loss of Gonadal Function in
Women in the Colorado SCORE (CO-SCORE) is based on the overarching hypothesis that the loss of gonadal
function increases risk for chronic disease. The best-studied example of this is the accelerated decline in bone
mineral density at menopause and the resulting risk for osteoporosis. However, the extent to which gonadal
aging increases risk for chronic diseases other than osteoporosis is poorly understood. This is particularly
relevant to women’s health, because gonadal failure is inevitable in women in mid-life but rare in men until
much later in life. During the current SCORE award period, we advanced the clinical translation of the
unequivocal evidence in animals that loss of estradiol (E2) is a trigger for excess abdominal fat accumulation
and metabolic dysfunction. We demonstrated that suppression of ovarian function in premenopausal women
(gonadotropin releasing hormone agonist;; GnRHAG) disrupts energy homeostasis, and results in a marked
increase in abdominal subcutaneous and visceral fat that is prevented by E2 add-back. We also generated
intriguing preliminary data to support the hypothesis that the conversion of cortisone to cortisol in abdominal
adipose tissue by the enzyme 11β-hydroxysteroid dehydrogenase 1 (HSD1) is regulated by E2. Preclinical
evidence strongly supports glucocorticoid metabolism as a regulator of abdominal adiposity. Accordingly, Aim
1 in the next award period is to determine whether adipose tissue and systemic glucocorticoid
metabolism are regulated by E2 in women. Because a goal of the CO-SCORE is to advance paradigm-
challenging research on sex differences, Aim 2 will investigate follicle stimulating hormone (FSH) as a
mediator of energy homeostasis and cardiometabolic function. FSH was implicated recently as a
mediator of metabolic actions traditionally attributed to the loss of E2. When compared with controls, mice
treated with an FSH antibody had increased bone mass and decreased adiposity, including reductions in
visceral and subcutaneous fat. Given the importance of understanding whether both E2 and FSH may be
important therapeutic targets, rather than just E2, we will conduct the first proof-of-concept study of the
effects of E2 vs FSH on outcomes that are responsive to the inhibition of FSH in mice. Projects 1, 2
(preclinical), and 3 (basic) will all address gaps in knowledge on whether the effects of E2-deficiency to
increase abdominal adiposity are mediated by altered glucocorticoid metabolism and/or increased FSH.
Adipose tissue samples from women in Project 1 and from animals in Projects 2 and 3 will be interrogated
using similar approaches to accelerate the translational relevance of these areas of research. Finally, because
blood and tissue samples from experiments in which we control E2 status are of great value across many
disciplines, we will bank specimens from women in Project 1 that can be used to support external
collaborations with SCORE (and other) investigators across the country.
项目1的重点是性腺功能丧失的生物能量和代谢后果
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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Wendy M Kohrt其他文献
Addressing the gaps: sex differences in osteoarthritis of the knee
- DOI:
10.1186/2042-6410-4-4 - 发表时间:
2013-01-01 - 期刊:
- 影响因子:5.100
- 作者:
Barbara D Boyan;Laura L Tosi;Richard D Coutts;Roger M Enoka;David A Hart;Daniel P Nicolella;Karen J Berkley;Kathleen A Sluka;C Kent Kwoh;Mary I O’Connor;Wendy M Kohrt;Eileen Resnick - 通讯作者:
Eileen Resnick
Wendy M Kohrt的其他文献
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{{ truncateString('Wendy M Kohrt', 18)}}的其他基金
Enhancing Skeletal Adaptation to Exercise by Attenuating the Acute Disruption of Calcium Homeostasis During Exercise
通过减轻运动过程中钙稳态的急性破坏来增强骨骼对运动的适应
- 批准号:
10251565 - 财政年份:2021
- 资助金额:
$ 44.7万 - 项目类别:
Enhancing Skeletal Adaptation to Exercise by Attenuating the Acute Disruption of Calcium Homeostasis During Exercise
通过减轻运动过程中钙稳态的急性破坏来增强骨骼对运动的适应
- 批准号:
10545712 - 财政年份:2021
- 资助金额:
$ 44.7万 - 项目类别:
Molecular Transducers of Physical Activity Consortium - Colorado Clinical Center
身体活动联盟分子传感器 - 科罗拉多临床中心
- 批准号:
10840187 - 财政年份:2016
- 资助金额:
$ 44.7万 - 项目类别:
Molecular Transducers of Physical Activity Consortium - Colorado Clinical Center
身体活动联盟分子传感器 - 科罗拉多临床中心
- 批准号:
10320753 - 财政年份:2016
- 资助金额:
$ 44.7万 - 项目类别:
Molecular Transducers of Physical Activity Consortium - Colorado Clinical Center
身体活动联盟分子传感器 - 科罗拉多临床中心
- 批准号:
10265087 - 财政年份:2016
- 资助金额:
$ 44.7万 - 项目类别:
Bioenergetic and Metabolic Consequences of the Loss of Gonadal Function
性腺功能丧失的生物能和代谢后果
- 批准号:
10225529 - 财政年份:2012
- 资助金额:
$ 44.7万 - 项目类别:
Bioenergetic and Metabolic Consequences of the Loss of Gonadal Function
性腺功能丧失的生物能和代谢后果
- 批准号:
8344030 - 财政年份:2012
- 资助金额:
$ 44.7万 - 项目类别:
Bioenergetic and Metabolic Consequences of the Loss of Ovarian Function in Women
女性卵巢功能丧失的生物能和代谢后果
- 批准号:
8367337 - 财政年份:2012
- 资助金额:
$ 44.7万 - 项目类别:
Bioenergetic and Metabolic Consequences of the Loss of Gonadal Function
性腺功能丧失的生物能和代谢后果
- 批准号:
8904339 - 财政年份:2012
- 资助金额:
$ 44.7万 - 项目类别:
Bioenergetic and Metabolic Consequences of the Loss of Gonadal Function
性腺功能丧失的生物能和代谢后果
- 批准号:
10456782 - 财政年份:2012
- 资助金额:
$ 44.7万 - 项目类别:
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