An integrated approach to melanoma metastasis and therapy resistance: effects of age-related changes in the ECM and the biomechanics of the skin
An integrated approach to melanoma metastasis and therapy resistance: effects of age-related changes in the ECM and the biomechanics of the skin
批准号:
10333395
负责人:
Edna Cukierman
金额:
$52.2万
依托单位:
依托单位国家:
美国
项目类别:
财政年份:
2019
资助国家:
美国
项目状态:
已结题
起止时间:
2019-02-15 至 2024-01-31
关键词:
3-DimensionalAffectAgeAggressive behaviorAgingAnimal ModelArchitectureBackBasic ScienceBiochemicalBiological AssayBiological MarkersBiologyBiomechanicsBiomedical EngineeringCRISPR/Cas technologyCell LineCell ShapeCellsClinicalCollagenComplexComputer ModelsComputer softwareCoupledCustomDataDermalDevelopmentDiseaseDrug ToleranceDrug resistanceElasticityElderlyExtracellular MatrixFeedbackFibroblastsFormalinGene Expression ProfileGeneticGrowthHumanImageImaging technologyIn SituIn VitroIncidenceIndividualInterventionMalignant NeoplasmsMathematicsMelanoma CellMetastatic MelanomaModelingNeoplasm MetastasisPTK2 geneParaffin EmbeddingPatientsPlayPrediction of Response to TherapyPredictive ValueProtein-Lysine 6-OxidaseProteinsProteomicsRNAResistanceRoleSamplingSignal PathwaySignal TransductionSignaling MoleculeSkinSkin AgingStromal NeoplasmSystemSystems BiologyTestingTransgenic MiceWNT Signaling PathwayWorkage effectage relatedagedaging populationbasecell agecellular imagingcohortcomputational network modelingcomputer studiescrosslinkdigital imagingdrug efficacyexhaustionhuman tissueimaging studyimprovedin vivoin vivo Modelintravital microscopymathematical modelmechanical signalmelanocytemelanomamortalityneoplastic cellnovelpatient derived xenograft modelpredictive modelingprogramsquantitative imagingreconstructionresearch studyrhosecond harmonicsingle moleculetargeted treatmenttheoriestumor
中文摘要
项目摘要
微环境在黑色素瘤的发展中起着独特的作用,黑色素瘤发生在皮肤中。皮肤
显示外部可见的老化迹象,如弹性降低和胶原蛋白完整性丧失。 多
最近的工作集中在胶原蛋白的变化如何影响肿瘤转移,包括生物力学和
生物化学 几个研究小组的数据表明,基质成纤维细胞和
转化的黑素细胞对于侵袭、黑色素瘤生长、甚至治疗抗性是重要的。 我们
蛋白质组学分析表明,用于交联胶原的因子,如HAPLN 1由年轻人分泌,
而不是老化的真皮成纤维细胞,并且Wnt 5A由老化的而不是年轻的成纤维细胞分泌。 的相互作用
这些分子之间的相互作用可能导致胶原完整性的年龄相关变化。 我们假设
由细胞外基质(ECM)中与年龄相关的改变调节的变化启动或促进了细胞外基质(ECM)中的促凋亡蛋白(pro-apoptotic protein,
转移程序和影响治疗抵抗力。
我们将质疑老化皮肤的生物化学和建筑贡献在治理
黑色素瘤的转移进展以及对靶向治疗的抗性。我们提出另一种理论
假设增加硬度将对转移瘤具有非线性效应,
进展和治疗抗性。 我们将使用病理生理相关的体外三维基质系统(3D
皮肤重建),黑色素瘤的动物模型,一种新的同时多通道免疫荧光
福尔马林固定和石蜡包埋(FFPE)的人组织队列的SMIA分析与
定制的新软件,用于批量分析和采集SMIA生成的图像,单个
分子RNA成像加上高通量单细胞成像和测序,所有这些都将为
回到一个日益复杂的数学模型,以提高理解和更好的病人
个性化(即, 转移和药物治疗的功效)预测能力。 我们希望我们的数据将
揭示了老化微环境与
单一的肿瘤细胞,个别的方法无法破译。
这个团队项目涉及黑色素瘤转移,Wnt信号和衰老生物学专家
(Weeraratna)、单细胞RNA系统生物学(Raj)、肿瘤-间质相互作用和数字成像
定量分析(Cukierman)和计算和数学预测建模(Shenoy)。
英文摘要
Project Summary
The microenvironment plays a unique role in the development of melanoma, which arises in the skin. The skin
displays externally visible signs of aging, such as decreased elasticity and a loss of collagen integrity. Much
work has focused recently on how changes in collagen can affect tumor metastasis, both biomechanically and
biochemically. Data from several groups indicate that the cross-talk between stromal fibroblasts and
transformed melanocytes is important for invasion, melanoma growth, and even therapy resistance. Our
proteomics analyses indicate that factors used to crosslink collagen, such as HAPLN1 are secreted by young,
but not aged dermal fibroblasts, and Wnt5A is secreted by aged, but not young fibroblasts. The interplay
between these molecules may contribute to age-related changes in collagen integrity. We hypothesize that
changes regulated by age-related alterations in the extracellular matrix (ECM) initiate or promote a pro-
metastatic program, and impact therapy resistance.
We will query the contribution of aged skin biochemical and architectural contributions in governing
melanoma’s metastatic progression as well as resistance to targeted therapy. We propose an alternate theory
of matrix stiffness that hypothesizes that increasing stiffness will have a non-linear effect on metastatic
progression, and therapy resistance. We will use pathophysiologically relevant in vitro 3D stromal systems (3D
skin reconstructions), animal models of melanoma, a novel simultaneous multi-channel immunofluorescent
analysis (SMIA) of formalin-fixed and paraffin embedded (FFPE) human tissue cohorts in combination with a
customized new software written for the bulk analysis and acquisition of SMIA-generated images, single
molecule RNA imaging coupled with high-throughput single cell imaging and sequencing, all of which will feed
back into an increasingly intricate mathematical modeling for improved understanding and better patient
personalized (i.e., metastatic and efficacy of drug treatment) prediction capabilities. We expect our data will
reveal a synergistic picture of the mechanochemical interactions between the aged microenvironment and
singular tumor cells that the individual approaches could not have deciphered.
This team project involves experts in the biology of melanoma metastasis, Wnt signaling and aging
(Weeraratna), single cell RNA systems biology (Raj), tumor-stromal interactions and digital imaging
quantitative analyses (Cukierman) and computational and mathematical predictive modeling (Shenoy).
期刊论文(0)
专著(0)
科研奖励(0)
会议论文
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海外基金