3-Dimensional virtual ventricles to design precision therapies in hypertrophic cardiomyopathy
3 维虚拟心室设计肥厚型心肌病的精准疗法
基本信息
- 批准号:10381681
- 负责人:
- 金额:$ 14.3万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2021
- 资助国家:美国
- 起止时间:2021-04-01 至 2022-06-30
- 项目状态:已结题
- 来源:
- 关键词:3-DimensionalAddressAdrenergic AgentsAdrenergic beta-AntagonistsAdultAnti-Arrhythmia AgentsArchitectureArrhythmiaAwardBiophysicsCalcium Channel BlockersCardiacCardiac Electrophysiologic TechniquesCardiac MyocytesCardiologyCardiomyopathiesCardiovascular systemCell TherapyCell modelCellsClinicalClinical DataClinical TrialsCombination Drug TherapyCombined Modality TherapyComputer ModelsCoupledDataDiseaseDisopyramideDoctor of PhilosophyDrug CombinationsEchocardiographyElectrophysiology (science)FailureFibrosisFunctional disorderGenesGeneticGenotypeGeometryGoalsHeartHeart AbnormalitiesHeart DiseasesHeart TransplantationHeart failureHumanHypertrophic CardiomyopathyImageImaging TechniquesInheritedInternal MedicineKnowledgeLeadLightLinkLiteratureMedicalMedical GeneticsMedicineMentorshipMicrovascular DysfunctionModelingMolecularMultimodal ImagingMuscle CellsMutationNational Heart, Lung, and Blood InstituteObstructionOpticsOrganPathologicPathway interactionsPatientsPatternPersonsPharmaceutical PreparationsPharmacotherapyPhenotypePrecision therapeuticsPropranololQuality of lifeResearchResearch PersonnelResearch PriorityResourcesSignal PathwaySignal TransductionSodiumSpecimenSudden DeathSymptomsTestingTherapeuticTimeTissuesTrainingVentricularVentricular ArrhythmiaVentricular Remodelingbiophysical propertiescardiac magnetic resonance imagingdesigndrug efficacydrug testingheart rhythmhigh dimensionalityindium arsenideinsightinstructorinterdisciplinary approachmortalitynovelnovel therapeuticsoptical imagingpatient responsepreclinical studypredictive testpreventprospectiveranolazineresponsescaffoldskillssuccesssudden cardiac deathtargeted treatmentthree-dimensional modelingtoolvirtual
项目摘要
Project Abstract
Hypertrophic cardiomyopathy (HCM) is the most common inherited cardiac disease worldwide and is the
leading cause of sudden cardiac death (SCD) in young people. Though HCM is characterized by more than 1400
mutations in the genes encoding the contractile apparatus of the cell, the pathophysiology of HCM encompasses
diverse clinical symptoms; it can eventually lead to heart failure and fatal ventricular arrhythmia. Despite nearly
5 decades of research, there is currently no disease-modifying or mortality-reducing drug therapy for HCM
patients. HCM treatment has failed for two key reasons: (1) arrhythmias are an emergent phenomena in space
and time: single cell markers of arrhythmia fail to predict the effects on the whole heart; and (2) HCM is markedly
heterogeneous - it is likely there are specific molecular underpinnings leading to differential drug efficacy that
are not appreciated in large clinical trials and preclude a “one-size-fits-all” approach.
I hypothesize that the key to understanding the therapeutic potential of drug therapy for HCM is through
patient-specific modeling of their cardiac electrophysiology and ventricular ultrastructure. Thus, the goal of this
research award is to merge clinical data, genetics, advanced imaging, and biophysical characterization
of HCM to understand how higher dimensional ultrastructural remodeling influences cellular
electrophysiology to design precision-targeted drug therapy. Specifically, I will develop a detailed
electrophysiologic model of HCM that recapitulates mutation-specific alterations to better understand key
determinants of success and failure for drug therapy. I will study patient-specific responses to two test drugs:
ranolazine and b-blockers by optical imaging of dissociated adult cardiomyocytes of patients with HCM. I will
then use multimodal imaging to characterize ventricular geometry and myofiber architecture of these patients to
create a 3D virtual ventricle to test our single cell drug predictions. These aims will allow us me understand the
bidirectional relationship between ventricular remodeling and single cell electrophysiology and drug therapy.
I believe I have the appropriate background and resources to address the knowledge gaps described but
require additional mentorship and training to transition to independence. I previously earned a PhD in
computational cardiology and have undertaken additional training in basic and translational cardiovascular
research. I have completed clinical training in Internal Medicine, Cardiology, Echocardiography, and Advanced
Heart Failure and Cardiac Transplant, and have been appointed Instructor of Medicine as of July 1, 2020. To
transition to an independent investigator, this K08 award will allow me to focus on developing new experimental
skillsets in cellular electrophysiology, optical imaging techniques, as well as cardiac MRI and echo
imaging that will compliment his computational background. At the conclusion of this award period, I will
have acquired the skills to become a leader in translational characterization of heart failure and cardiomyopathies
with the ultimate goal of designing novel therapies for patients suffering from these diseases.
项目摘要
肥厚型心肌病(HCM)是世界范围内最常见的遗传性心脏病,
是年轻人心脏性猝死(SCD)的主要原因。虽然HCM的特点是超过1400
由于编码细胞收缩器的基因突变,HCM的病理生理学包括
临床症状多样,最终可导致心力衰竭和致命性室性心律失常。尽管近
经过50年的研究,目前还没有改善HCM疾病或降低死亡率的药物治疗
患者HCM治疗失败有两个关键原因:(1)心律失常是空间中的一种紧急现象
心律失常的单细胞标志物不能预测对整个心脏的影响;(2)HCM明显
异质性-可能存在导致不同药物功效的特定分子基础,
在大型临床试验中并不受欢迎,并且排除了“一刀切”的方法。
我假设理解药物治疗HCM的治疗潜力的关键是通过
患者特定的心脏电生理学和心室超微结构建模。因此,
研究奖是将临床数据,遗传学,先进的成像和生物物理特征
了解更高维度的超微结构重塑如何影响细胞
电生理学来设计精确的靶向药物治疗。具体来说,我将制定一个详细的
HCM的电生理模型,重现突变特异性改变,以更好地了解关键
药物治疗成功和失败的决定因素我将研究患者对两种试验药物的特异性反应:
雷诺嗪和b-受体阻滞剂通过HCM患者分离的成人心肌细胞的光学成像。我会
然后使用多模态成像来表征这些患者的心室几何形状和肌纤维结构,
创建一个3D虚拟心室来测试我们的单细胞药物预测。这些目标将使我们了解
心室重构与单细胞电生理和药物治疗的双向关系。
我相信我有适当的背景和资源来解决所描述的知识差距,
需要更多的指导和培训,以过渡到独立。我以前在一个
计算心脏病学,并在基础和转化心血管方面进行了额外的培训
research.我已经完成了内科、心脏病学、超声心动图和高级
心力衰竭和心脏移植,并已被任命为医学导师,截至2020年7月1日。到
过渡到独立研究员,这个K 08奖项将使我能够专注于开发新的实验
细胞电生理学、光学成像技术以及心脏MRI和回波方面的技能
这将使他的计算机背景更加完美。在这个奖项结束时,我将
已获得成为心力衰竭和心肌病转化表征领导者的技能
其最终目标是为患有这些疾病的患者设计新的疗法。
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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JONATHAN MORENO其他文献
JONATHAN MORENO的其他文献
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{{ truncateString('JONATHAN MORENO', 18)}}的其他基金
3-Dimensional virtual ventricles to design precision therapies in hypertrophic cardiomyopathy
3 维虚拟心室设计肥厚型心肌病的精准疗法
- 批准号:
10215670 - 财政年份:2021
- 资助金额:
$ 14.3万 - 项目类别:
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