A new model for spatio-temporal coupling of bone formation and bone resorption governed by osteoclasts
破骨细胞控制的骨形成和骨吸收时空耦合的新模型
基本信息
- 批准号:10082528
- 负责人:
- 金额:$ 35.92万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2020
- 资助国家:美国
- 起止时间:2020-09-01 至 2022-08-31
- 项目状态:已结题
- 来源:
- 关键词:AddressAffectAge-Related Bone LossAlbers-Schonberg diseaseAnimalsApoptosisBMPR1A geneBiologyBone DiseasesBone Morphogenetic ProteinsBone ResorptionBone remodelingCell CommunicationCell DeathCell physiologyCellsCessation of lifeClinicalCodeCommunicationCouplingDataDiseaseDistalElderlyFailureFractureHomeostasisHumanIn VitroInterventionMediatingMetabolic Bone DiseasesModelingMolecularNanotubesOrganOsteoblastsOsteoclastsOsteogenesisOsteoporosisOsteoporosis preventionPathologicPatternPharmacotherapyPharmacy (field)PlayPopulationPreventiveProcessProductionProteinsPublic HealthRegimenReportingRiskRoleShapesSignal TransductionSignaling ProteinSiteSkeletal systemSystemTNFSF11 geneTherapeuticTissuesbonebone fragilitybone lossbone massbone morphogenetic protein receptorsbone qualitydruggable targetfracture riskimaging systemimprovedin vivoinnovationinsightmorphogensnanonew therapeutic targetnovelosteoblast differentiationpreventprogramsreceptorrecruitskeletalskeletal disorderspatiotemporaltranscriptome
项目摘要
ABSTRACT
Osteoporosis is a metabolic bone disorder characterized by progressive decline of bone mass and bone quality,
leading to bone fragility and an increased risk of fracture. Bone mass is tightly controlled by coupling of bone
resorption to bone formation, which is regulated by a cellular communication between bone-destroying cells,
osteoclasts (OCs), and bone-forming cells, osteoblasts (OBs). In this proposed study, we will demonstrate how
OCs regulate OC-to-OB communication by a newly emerged mechanism of cell-cell communication, namely
tunneling nanotube (TNT), and explore the potential preventive therapeutic solutions in skeletal diseases. We
previously reported that disruption of BMP signaling mediated by type 1A receptor (BMPR1A) in OCs
stimulates bone formation by promoting OB differentiation. Together with our preliminary data, we hypothesize
that BMP signaling in OCs regulate TNT formation to locally suppress functions of mature osteoblasts. We will
identify molecules transferred from OCs to OBs via TNT and mechanisms of how OCs recognize mature, but
not immature OBs to communicate. We will also establish a live imaging system in animals to demonstrate
alterations in formation and function of TNTs in conditions mimicking osteoporosis and impacts of drug
treatment such as PTH. Successful completion of the proposed study will pioneer a totally new treatment for
osteoporosis by suppression of TNT formation/function without affecting OC number but to increase bone
formation.
摘要
骨质疏松症是一种以骨量和骨质量进行性下降为特征的代谢性骨疾病,
导致骨骼脆弱和骨折风险增加。骨质量受骨耦合的严格控制
骨形成的再吸收,由骨破坏细胞之间的细胞通讯调节,
破骨细胞(OC)和骨形成细胞,成骨细胞(OB)。在这项研究中,我们将展示如何
OC通过一种新出现的细胞间通讯机制调节OC-OB通讯,即
隧道纳米管(TNT),并探索骨骼疾病的潜在预防治疗解决方案。我们
先前报道,OC中1A型受体(BMPR 1A)介导的BMP信号传导的破坏
通过促进OB分化刺激骨形成。结合我们的初步数据,我们假设
OC中的BMP信号调节TNT的形成以局部抑制成熟成骨细胞的功能。我们将
识别通过TNT从OC转移到OB的分子以及OC如何识别成熟的机制,
而不是不成熟的OB来交流我们还将在动物身上建立一个活体成像系统,
在类似骨质疏松症的情况下TNT的形成和功能的改变以及药物的影响
治疗如PTH。成功完成拟议的研究将开创一种全新的治疗方法,
通过抑制TNT形成/功能而不影响OC数量但增加骨密度的骨质疏松症
阵
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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Yuji MISHINA其他文献
Yuji MISHINA的其他文献
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{{ truncateString('Yuji MISHINA', 18)}}的其他基金
Temporal regulation of BMP signaling in patterning the tracheal cartilage and pharmacological approaches to prevent tracheomalacia
BMP 信号在气管软骨模式化中的时间调节和预防气管软化的药理学方法
- 批准号:
10417330 - 财政年份:2022
- 资助金额:
$ 35.92万 - 项目类别:
Temporal regulation of BMP signaling in patterning the tracheal cartilage and pharmacological approaches to prevent tracheomalacia
BMP 信号在气管软骨模式化中的时间调节和预防气管软化的药理学方法
- 批准号:
10599970 - 财政年份:2022
- 资助金额:
$ 35.92万 - 项目类别:
A new model for spatio-temporal coupling of bone formation and bone resorption governed by osteoclasts
破骨细胞控制的骨形成和骨吸收时空耦合的新模型
- 批准号:
10905262 - 财政年份:2020
- 资助金额:
$ 35.92万 - 项目类别:
A new model for spatio-temporal coupling of bone formation and bone resorption governed by osteoclasts
破骨细胞控制的骨形成和骨吸收时空耦合的新模型
- 批准号:
10249332 - 财政年份:2020
- 资助金额:
$ 35.92万 - 项目类别:
Molecular pathogenesis of craniosynostosis caused by enhanced BMP signaling
BMP信号增强导致颅缝早闭的分子发病机制
- 批准号:
8230522 - 财政年份:2010
- 资助金额:
$ 35.92万 - 项目类别:
Molecular pathogenesis of craniosynostosis caused by enhanced BMP signaling
BMP信号增强导致颅缝早闭的分子发病机制
- 批准号:
9262071 - 财政年份:2010
- 资助金额:
$ 35.92万 - 项目类别:
Molecular pathogenesis of craniosynostosis caused by enhanced BMP signaling
BMP信号增强导致颅缝早闭的分子发病机制
- 批准号:
8064718 - 财政年份:2010
- 资助金额:
$ 35.92万 - 项目类别:
Molecular pathogenesis of craniosynostosis caused by enhanced BMP signaling
BMP信号增强引起的颅缝早闭的分子发病机制
- 批准号:
9902971 - 财政年份:2010
- 资助金额:
$ 35.92万 - 项目类别:
Molecular pathogenesis of craniosynostosis caused by enhanced BMP signaling
BMP信号增强导致颅缝早闭的分子发病机制
- 批准号:
8415957 - 财政年份:2010
- 资助金额:
$ 35.92万 - 项目类别:
Molecular pathogenesis of craniosynostosis caused by enhanced BMP signaling
BMP信号增强导致颅缝早闭的分子发病机制
- 批准号:
8510106 - 财政年份:2010
- 资助金额:
$ 35.92万 - 项目类别:
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