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
项目总结:
皮肤微环境在黑色素瘤的发生发展过程中起着非常独特的作用,黑色素瘤通常发生在皮肤周围。
在外部显示出衰老的明显迹象,例如弹性降低,以及胶原蛋白和完整性的严重损失。
最近,他们的工作重点是研究胶原蛋白的变化如何影响肿瘤的转移,无论是从生物力学角度还是从生物力学角度。
生化方面。来自几个研究小组的数据表明,间质成纤维细胞和成纤维细胞之间的相互作用。
转化的黑素细胞对于黑色素瘤的侵袭、黑色素瘤的生长、甚至治疗耐药都是非常重要的因素。
蛋白质组学和分析表明,一些被用来使胶原蛋白交联的因子,如HAPLN1基因,通常是由年轻人分泌的。
但不是衰老的真皮成纤维细胞,而是由衰老的成纤维细胞分泌的Wnt5A,而不是年轻的成纤维细胞。
在这些分子之间,可能也会导致与年龄相关的疾病变化,包括胶原蛋白和完整性。我们假设是这样的。
细胞外基质(ECM)的变化通过与年龄相关的细胞外基质(ECM)的变化来调节细胞内的变化,以启动或促进细胞外基质的生成
转移性癌症计划、治疗和治疗对耐药性的影响。
--
我们还将质疑老年人皮肤、生化指标和建筑行业在治国理政中的贡献。
黑色素瘤的转移性进展以及对靶向治疗的耐药性。我们将提出一种新的替代治疗理论。
这一假设认为,不断增加的硬度将对转移瘤产生更大的非线性影响。
进展、治疗和耐药。我们将继续在体外使用与病理生理学和相关的药物-3D间质干细胞系统(3D)。
皮肤(重建),是黑色素瘤的动物模型,是一种新的、同时的、多渠道的免疫荧光。
对福尔马林固定材料(SMIA)和石蜡包埋材料(FFPE)进行分析,并与其他方法相结合,对人眼组织进行队列研究。
定制的新图像软件是为SMIA生成的图像的批量图像分析和收购计划编写的,而不是单一的。
分子和核糖核酸的成像,再加上高通量的单细胞成像技术和DNA测序,所有这些都是我们将继续喂养的。
回到一个日益复杂的数学建模过程中,以提高人们的理解和更好的耐心。
个性化研究(即药物治疗的转移和疗效)提供了预测能力。我们预计,我们的研究数据将……
揭示了老龄化的微环境和环境之间的机械力化学和相互作用的新的协同作用的图解。
单个肿瘤细胞认为,不同个体的方法不可能完全被破译。
--
这个项目团队包括研究黑色素瘤转移、信号转导和衰老的相关生物学研究的专家。
(Weeraratna),即单细胞核糖核酸生物系统(RAJ),研究肿瘤-间质相互作用,以及数字医学成像。
定量数据分析(Cukierman)包括计算能力,以及数学和预测性数据建模能力(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)
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科研奖励(0)
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