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ABSTRACT This proposal describes a five-year mentored physician-scientist training program to characterize the mechanobiology of endothelial-to-mesenchymal transition (EndMT) in cardiovascular calcification. Cardiovascular calcification is a highly prevalent process whereby calcium mineral forms within the blood vessels and heart tissue, and its presence is associated with an increased risk of morbidity and mortality. Despite decades of research, there remains no effective medical therapy to treat this process. Recent work has implicated EndMT in cardiovascular calcification. EndMT describes the phenomenon whereby endothelial cells lining the lumen of the heart valves or blood vessels are stimulated to dedifferentiate into mesenchymal cells. Subsequently, these mesenchymal cells are capable of differentiating into various lineages, including the chondrogenic and osteogenic lineages that can promote calcification. While EndMT is a promising target for therapeutic intervention in cardiovascular calcification, characterizing the EndMT process in experimental studies can be challenging. Current methods to assess EndMT, such as genetic lineage tracing studies and immunostaining detection of endothelial and mesenchymal marker expression, are labor-, resource-, and time- intensive. Further, these methods are binary assessments of EndMT and do not capture an important aspect of the process – its dynamic mechanical nature. Endothelial cells undergoing EndMT alter their cytoskeletal mechanics, detach from their neighboring cells, and migrate into the interstitial space. Thus, their mechanical properties, or “mechanophenotype,” during EndMT are likely dynamic, but have not been previously explored. In this proposal, we outline our aims to characterize the mechanophenotypes of EndMT, with the hope of developing novel, high-throughput platforms to more rapidly identify possible therapeutic targets for EndMT- related disease, including cardiovascular calcification. Further, the accompanying mentored career development training plan will allow the candidate to develop the expertise needed to successfully complete this project and will provide him with the mentorship and support necessary to become a fully independent scientific investigator. In line with the strategic goals of the NHLBI, the aims of this proposal focus on: (1) elucidating our understanding of the pathobiology of EndMT and cardiovascular calcification, and (2) developing innovative new platforms to accelerate our ability to identify therapeutic targets for these processes, thereby advancing translational research.
期刊论文(7)
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会议论文
DOI: 10.1097/mol.0000000000000844
发表时间: 2022-10-01
期刊: CURRENT OPINION IN LIPIDOLOGY
影响因子: 4.4
作者: [Hsu, Jeffrey J., Tintut, Yin, Demer, Linda L.]
通讯作者: Demer, Linda L.
Potential mechanisms linking high-volume exercise with coronary artery calcification.
大容量运动与冠状动脉钙化之间的潜在机制。
DOI: 10.1136/heartjnl-2022-321986
发表时间: 2023
期刊: Heart (British Cardiac Society)
影响因子: --
作者: [Zambrano,Angelica, Tintut,Yin, Demer,LindaL, Hsu,JeffreyJ]
通讯作者: Hsu,JeffreyJ
Current and Potential Applications of Wearables in Sports Cardiology.
可穿戴设备在运动心脏病学中的当前和潜在应用。
DOI: 10.1007/s11936-021-00942-1
发表时间: 2021
期刊: Current treatment options in cardiovascular medicine
影响因子: --
作者: [Rao,Prashant, Seshadri,DhruvR, Hsu,JeffreyJ]
通讯作者: Hsu,JeffreyJ
DOI: 10.1097/mol.0000000000000777
发表时间: 2021-10-01
期刊: Current opinion in lipidology
影响因子: 4.4
作者: [Hsu JJ, Tintut Y, Demer LL]
通讯作者: Demer LL
Mechanobiology of Endothelial-to-Mesenchymal Transition in Cardiovascular Calcification
Mechanobiology of Endothelial-to-Mesenchymal Transition in Cardiovascular Calcification
Mechanobiology of Endothelial-to-Mesenchymal Transition in Cardiovascular Calcification
国内基金
海外基金
Calcium/NFAT/GLUT3通路调控糖酵解代谢在CAR-T细胞耗竭中的作用和机制研究
  • 批准号:
    --
  • 项目类别:
    面上项目
  • 资助金额:
    52万元
  • 批准年份:
    2022
  • 负责人:
    张明明
  • 依托单位:
miR-30调控Calcium/Calcineurin通路在慢性肾脏病心肌保护中的作用
  • 批准号:
    81670699
  • 项目类别:
    面上项目
  • 资助金额:
    58.0万元
  • 批准年份:
    2016
  • 负责人:
    郑春霞
  • 依托单位:
水稻OsCAS(Calcium-sensing Receptor)基因的功能分析
  • 批准号:
    30900771
  • 项目类别:
    青年科学基金项目
  • 资助金额:
    20.0万元
  • 批准年份:
    2009
  • 负责人:
    赵昕
  • 依托单位: