Multiparametric Classification of Muscle Damage in Inflammatory Myopathy
炎症性肌病肌肉损伤的多参数分类
基本信息
- 批准号:8506978
- 负责人:
- 金额:$ 31.68万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2009
- 资助国家:美国
- 起止时间:2009-08-05 至 2015-06-30
- 项目状态:已结题
- 来源:
- 关键词:3-DimensionalActivities of Daily LivingAdipose tissueAgeAldehyde-LyasesAnimal ModelArchitectureAtrophicAutoimmune DiseasesCell Membrane PermeabilityChronicChronic DiseaseClassificationClinicalClinical ManagementCohort StudiesComplexControl AnimalControlled StudyCreatine KinaseDeglutitionDeglutition DisordersDermatomyositisDevelopmentDiagnosticDiffusionDiseaseEdemaExerciseFatty acid glycerol estersGenderHealthHistologyHumanIdiopathic Inflammatory MyopathiesImageImage AnalysisInclusion Body MyositisIndividualInfiltrationInflammationIntramuscularJudgmentLaboratoriesLaboratory FindingLactate DehydrogenaseMagnetic Resonance ImagingMagnetic Resonance SpectroscopyMeasuresMetabolicMethodsMicroscopicMusMuscleMuscle FibersMuscle functionMyopathyMyositisNeuromuscular DiseasesPainPathologic ProcessesPathologyPatient Self-ReportPatientsPerfusionPharmaceutical PreparationsPhysiciansPhysiologicalPolymyositisPropertyQuality of lifeRecoveryRehabilitation therapyResearchResearch PersonnelSerumSeveritiesSeverity of illnessSkeletal MuscleSwellingTechniquesTestingTimeTranslatingVariantaquaporin 4baseblood oxygen level dependentexperiencefallshuman subjectimaging modalityimprovedmouse modelmuscle formmuscular structureoverexpressionreconstructionresponsetau Proteinstool
项目摘要
DESCRIPTION (provided by applicant): The idiopathic inflammatory myopathies (IIM), including dermatomyositis (DM), polymyositis (PM), and inclusion body myositis (IBM), are autoimmune diseases resulting in muscle inflammation, weakness, and pain. Laboratory and imaging (MRI) studies are typically performed, but are not always well correlated with disease severity; patient management must be based on subjective clinical findings. Therefore, the overall objective of this study is to develop and elucidate the pathological basis of a battery of MRI tests that will objectively and quantitatively track specific aspects of IIM. These tests will include typical structural images; intramuscular adipose quantification using Dixon imaging; assessment of muscle quality and architecture using diffusion-tensor MRI; assessment of inflammation using short-tau inversion recovery; quantification of perfusion using dynamic-contrast enhanced MRI; metabolic assessments during exercise using blood oxygenation-level dependent MRI and 31P MR spectroscopy. In Aim 1, these tests will be applied to increasingly complex mouse models of IIM. First, we will study 1) control C57/Bl6 mice; 2) mice overexpressing aquaporin-4, to increase membrane permeability; 3) mice injected with lambda-carageenan, to cause edema; and 4) both conditions. Then, we will study treated and untreated mice with a transgenically induced form of PM, over time. Advanced, multi-dimensional image analysis approaches will be used to correlate all of or a subset of the MRI findings with quantitative histological measures of muscle damage. In Aim 2, the MRI tests will be applied to 1) humans undergoing controlled muscle damage and 2) DM, PM, and IBM patients and age- and gender- matched control subjects. Multidimensional image analysis approaches will be employed in order to correlate imaging findings with patient self-report of disease severity and clinical findings. Overall, we expect that these studies will provide new tools and approaches for quantitative characterization of muscle structure and function in IIM. These tools will allow for improved clinical management of individual patients and allow for characterization of responses to proposed treatments in group studies. Moreover, these studies will provide new tools for assessing muscle function i neuromuscular disorders more generally.
描述(由申请人提供):特发性炎性肌病(IIM),包括皮肌炎(DM)、多发性肌炎(PM)和包涵体肌炎(IBM),是导致肌肉炎症、虚弱和疼痛的自身免疫性疾病。通常进行实验室和成像(MRI)研究,但并不总是与疾病严重程度相关;患者管理必须基于主观临床结果。因此,本研究的总体目标是开发和阐明一系列MRI检查的病理基础,这些检查将客观和定量地跟踪IIM的特定方面。这些测试将包括典型的结构图像;使用狄克逊成像进行肌内脂肪定量;使用弥散张量MRI评估肌肉质量和结构;使用短tau反转恢复评估炎症;使用动态对比增强MRI定量灌注;使用血氧水平依赖性MRI和31 P MR光谱进行运动期间的代谢评估。在目标1中,这些测试将应用于日益复杂的IIM小鼠模型。首先,我们将研究1)对照C57/B16小鼠; 2)过表达水通道蛋白-4的小鼠,以增加膜渗透性; 3)注射了卡拉胶的小鼠,以引起水肿;以及4)两种情况。然后,我们将研究治疗和未治疗的小鼠与转基因诱导形式的PM,随着时间的推移。先进的多维图像分析方法将用于将所有或部分MRI结果与肌肉损伤的定量组织学测量相关联。在目标2中,MRI测试将应用于1)经受受控肌肉损伤的人类和2)DM、PM和IBM患者以及年龄和性别匹配的对照受试者。将采用多维图像分析方法,以将成像结果与患者自我报告的疾病严重程度和临床结果相关联。总的来说,我们希望这些研究将提供新的工具和方法,定量表征肌肉结构和功能的IIM。这些工具将允许改善个体患者的临床管理,并允许在组研究中描述对拟议治疗的反应。此外,这些研究将为更普遍地评估神经肌肉疾病中的肌肉功能提供新的工具。
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Quantitative effects of inclusion of fat on muscle diffusion tensor MRI measurements.
- DOI:10.1002/jmri.24045
- 发表时间:2013-11
- 期刊:
- 影响因子:4.4
- 作者:Williams, Sarah E.;Heemskerk, Anneriet M.;Welch, E. Brian;Li, Ke;Damon, Bruce M.;Park, Jane H.
- 通讯作者:Park, Jane H.
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BRUCE M. DAMON其他文献
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{{ truncateString('BRUCE M. DAMON', 18)}}的其他基金
Predictive modeling of acute rejection in pediatric heart transplant recipients
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$ 31.68万 - 项目类别:
Predictive modeling of acute rejection in pediatric heart transplant recipients
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10666409 - 财政年份:2022
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$ 31.68万 - 项目类别:
Development and Application of Muscle Diffusion Tensor MRI
肌肉弥散张量MRI的发展及应用
- 批准号:
10400490 - 财政年份:2019
- 资助金额:
$ 31.68万 - 项目类别:
Development and Application of Muscle Diffusion Tensor MRI
肌肉弥散张量MRI的发展及应用
- 批准号:
9926824 - 财政年份:2019
- 资助金额:
$ 31.68万 - 项目类别:
Development and Application of Muscle Diffusion Tensor MRI
肌肉弥散张量MRI的发展及应用
- 批准号:
10447787 - 财政年份:2019
- 资助金额:
$ 31.68万 - 项目类别:
Multiparametric Classification of Muscle Damage in Inflammatory Myopathy
炎症性肌病肌肉损伤的多参数分类
- 批准号:
8298919 - 财政年份:2009
- 资助金额:
$ 31.68万 - 项目类别:
Multiparametric Classification of Muscle Damage in Inflammatory Myopathy
炎症性肌病肌肉损伤的多参数分类
- 批准号:
7908746 - 财政年份:2009
- 资助金额:
$ 31.68万 - 项目类别:
Multiparametric Classification of Muscle Damage in Inflammatory Myopathy
炎症性肌病肌肉损伤的多参数分类
- 批准号:
8099655 - 财政年份:2009
- 资助金额:
$ 31.68万 - 项目类别:
Multiparametric Classification of Muscle Damage in Inflammatory Myopathy
炎症性肌病肌肉损伤的多参数分类
- 批准号:
7741024 - 财政年份:2009
- 资助金额:
$ 31.68万 - 项目类别:
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