Girk3 in bone biology and disease
Girk3 在骨生物学和疾病中的作用
基本信息
- 批准号:10663602
- 负责人:
- 金额:$ 10.49万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2023
- 资助国家:美国
- 起止时间:2023-05-01 至 2025-04-30
- 项目状态:未结题
- 来源:
- 关键词:AdultAffectAgeAgingApplied SkillsAwardBioinformaticsBiological AssayBiological MarkersBiologyBloodBone DensityBone DevelopmentBone DiseasesBone MarrowBone Marrow CellsBone ResorptionBone remodelingCalvariaCell LineageCellsCellularityClinicContinuous InfusionCytometryDataDevelopmentDevelopment PlansDiseaseEducational workshopEndocrinologyEnzyme-Linked Immunosorbent AssayFemaleFoundationsFractureGTP-Binding ProteinsGoalsHarvestHematopoieticIL3 GeneIn VitroInflammationInflammatoryInterleukin-1Interleukin-1 betaIon ChannelIon Channel GatingIonsKnowledgeLaboratoriesLeadLearningMacrophageMeasuresMechanicsMembraneMentorsMentorshipMessenger RNAMethodsModelingMolecularMusMusculoskeletalOsteoblastsOsteoclastsOsteocytesOsteogenesisOsteoporosisOvariectomyPhasePhysiologicalPhysiological ProcessesPopulationPositioning AttributePostdoctoral FellowPostmenopausal OsteoporosisPotassiumPotassium ChannelProcessProductionPublicationsPublishingResearchResearch PersonnelRoleSafetySerumSignal PathwaySignal TransductionSkeletonTestingTimeTrainingWild Type MouseWomanWorkagedbonebone cellbone fragilitybone lossbone masscareercareer developmentcytokineexperimental studyimprovedinnovationinward rectifier potassium channelmalemeetingsmenmicroCTmonocytemouse modelnovelosteoporosis with pathological fracturepre-doctoralpreventprogramsresearch and developmentsingle-cell RNA sequencingskeletalskillssuccesssymposiumsynergismtooltranscriptometranscriptomics
项目摘要
PROJECT SUMMARY / ABSTRACT
The goals of this proposal are to: 1) obtain experimental skills and career training necessary to develop an
independent research program investigating mechanisms of bone development and disease, and 2) characterize
a novel target of bone remodeling called G protein-gated inwardly-rectifying K+ channel 3 (Girk3), a key regulator
of potassium flux and physiological processes. Our data demonstrate that Girk3-/- mice develop high bone mass
after skeletal maturity and have low interleukin-1 beta (IL-1β) and other circulating cytokines. The overall
objective of this proposal is to test the hypothesis that Girk3 deletion enhances bone density in adult skeletons
by altering the secretion of IL-1β and other monocyte-derived cytokines that modify bone resorption. During the
mentored K99 phase, the specific aims are to identify how deletion of Girk3 in monocytes affects bone mass
(Aim 1) and to determine how Girk3 regulates cytokine production by blood and bone marrow monocytes (Aim
2). Methods used to evaluate the role of Girk3 in bone remodeling will include dynamic and static
histomorphometry, osteoblast and osteoclast differentiation assays, cytometry by time-of-flight (CyTOF), single
cell RNA-sequencing (scRNA-seq), and bioinformatics. Completion of this aim will facilitate my transition into the
independent R00 phase when the specific aim (Aim 3) will be to determine if Girk3 deletion can prevent bone
loss in a murine model of osteoporosis via inhibition of IL-1β. The K99 phase will be conducted at Mayo Clinic
and will focus on obtaining mentored training in professional development through meetings with a curated
mentorship team, regular attendance and presentations at research seminars and national research
conferences, participating in workshops on grantsmanship and responsible conduct in research, and seeking
out networking opportunities, as well as conducting the experiments in Aims 1 and 2 and publishing the results.
The R00 phase will be conducted in my independent laboratory and will focus on completion and publication of
Aim 3 and developing an R01 application based on the results. The proposed plan synergizes new skills in
osteoclast and ion channel biology, unbiased spectometry, single cell RNA sequencing and bioinformatics, and
bone histomorphometry with prior expertise in endocrinology and osteoblast biology to create my own unique
research trajectory. The career development plan and research strategy outlined in this application will produce
a robust foundation for an independent research career in musculoskeletal biology.
项目摘要/摘要
这项建议的目标是:1)获得必要的实验技能和职业培训,以发展
独立的研究计划,调查骨骼发育和疾病的机制,以及2)特征
一个新的骨重建靶点--关键调节因子G蛋白门控内向整流钾通道3(GIRK3)
钾的通量和生理过程。我们的数据表明GIRK3-/-小鼠出现高骨量
骨骼成熟后,IL-1β(IL-1β)和其他循环细胞因子水平较低。整体而言
这项建议的目的是检验GIRK3缺失提高成人骨骼骨密度的假设
通过改变IL-1、β和其他单核细胞衍生的细胞因子的分泌来改变骨吸收。在.期间
指导K99阶段,具体目的是确定单核细胞中GIRK3缺失如何影响骨量
(目标1),并确定GIRK3如何调节血液和骨髓单核细胞产生细胞因子(目标
2)。评估GIRK3在骨重建中的作用的方法包括动态和静态
组织形态计量学、成骨细胞和破骨细胞分化分析、飞行时间(CyTOF)细胞术
细胞RNA测序(scRNA-seq)和生物信息学。完成这一目标将有助于我过渡到
独立的R00阶段,具体目标(目标3)将是确定GIRK3缺失是否可以防止骨骼
抑制IL-1β导致的骨质疏松症小鼠模型的丢失。K99阶段将在梅奥诊所进行
并将专注于通过与策划人会面来获得专业发展方面的指导培训
指导团队,定期出席研究研讨会和国家研究并发表演讲
会议,参加关于研究中的授权精神和负责任的行为的讲习班,并寻求
寻找网络机会,以及进行目标1和目标2中的实验并公布结果。
R00阶段将在我的独立实验室进行,重点是完成和发布
目标3,并基于结果开发R01应用程序。拟议的计划将在以下方面整合新技能
破骨细胞和离子通道生物学、无偏光谱、单细胞RNA测序和生物信息学
骨组织形态计量学与先前在内分泌学和成骨细胞生物学方面的专业知识创造了我自己独特的
研究轨迹。此申请表中概述的职业发展计划和研究战略将产生
为肌肉骨骼生物学的独立研究事业奠定了坚实的基础。
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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