Exploring the role of hypoxia in human pluripotent stem cell derived endothelial cell vascular network formation and pericyte
探讨缺氧在人多能干细胞源性内皮细胞血管网络形成和周细胞中的作用
基本信息
- 批准号:9611918
- 负责人:
- 金额:$ 4.45万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2018
- 资助国家:美国
- 起止时间:2018-07-01 至 2023-06-30
- 项目状态:已结题
- 来源:
- 关键词:AffectAreaAutologousBehaviorBiologyBlindnessBlood VesselsBlood capillariesCaliberCell LineCell Surface ProteinsCell physiologyCellsClinicalCollagenComplexComputer softwareConfocal MicroscopyConsumptionCuesDataDerivation procedureDevelopmentDiabetic RetinopathyElectroretinographyEndothelial CellsEnsureEnvironmentEnzyme-Linked Immunosorbent AssayFutureGelGrowth FactorHumanHydrogelsHypoxiaHypoxia Inducible FactorImage AnalysisImpairmentIn VitroKineticsMeasurementMeasuresModalityModelingMusNOD/SCID mouseNatural regenerationNeoplasm MetastasisNeuronsOxygenParacrine CommunicationPathologicPathway interactionsPericytesPhysiologicalProliferatingProtocols documentationRetinaRetinalRetinal DiseasesRoleSourceStainsStem cellsSystemTherapeuticTherapeutic UsesThickTimeTissue EngineeringTransforming Growth Factor betaTransplantationUmbilical veinVascular Endothelial CellVascular PermeabilitiesWestern BlottingWorkangiogenesisblood flow measurementcell behaviorcell typedeprivationdiabetic patienthealinghuman pluripotent stem cellimplantationimprovedin vitro Assayin vivoinduced pluripotent stem cellinterdisciplinary approachneovascularizationplatelet-derived growth factor BBrecruitrepairedresponsesmall moleculetime usevascular tissue engineeringvasculogenesis
项目摘要
Project Summary
Human pluripotent stem cell derived endothelial cells (hPSC-ECs) and pericytes are an ideal autologous cell
source for use in vascular therapies. ECs line the inner layer of the vasculature and pericytes provide support
to small diameter vessels in order to regulate vascular permeability. Derivation of these cells from hPSCs
requires time sensitive delivery of growth factors and small molecules in order to induce vascular fate.
Characterization of these cells is often limited to 2D in vitro assays and cell surface protein verification. As we
move towards therapeutic use, functional characterization is necessary to ensure their translational efficiency
and efficacy. Hypoxia has been shown to be a key regulator of EC fate, neovascularization, and regeneration.
However, its role in vascular stabilization through pericyte recruitment has not been studied. Here, thorough
analysis of hPSC-ECs and pericytes in hypoxic environments we aim to: (1) Study network kinetics of hPSC-
ECs in 3D low oxygen environments, (2) study hPSC-ECs and hPSC-pericyte interactions in hypoxia in vitro,
and (3) Study hPSC-EC-pericyte interactions in a mouse oxygen induced retinopathy model. These aims
require a multidisciplinary approach, interfacing stem cell and vascular biology with tissue engineering.
Successful completion of these aims will broaden our understanding of hPSC-ECs and pericytes behavior
towards therapeutic modalities.
项目摘要
人多能干细胞来源的内皮细胞和周细胞是理想的自体细胞
内皮细胞排列在血管系统的内层,周细胞提供支持
这些细胞来源于hPSC,
需要生长因子和小分子的时间敏感性递送以诱导血管命运。
这些细胞的表征通常限于2D体外测定和细胞表面蛋白验证。
为了向治疗用途发展,功能鉴定是确保其翻译效率所必需的
低氧已被证明是EC命运、新血管形成和再生的关键调节剂。
然而,其通过周细胞募集在血管稳定中的作用尚未被研究。
分析缺氧环境中hPSC-β-内皮细胞和周细胞的变化,目的是:(1)研究缺氧环境中hPSC-β-内皮细胞和周细胞的网络动力学
(2)体外研究缺氧条件下hPSC-内皮细胞和hPSC-内皮细胞周细胞的相互作用,
以及(3)在小鼠氧诱导视网膜病变模型中研究hPSC-血管内皮细胞-血管周细胞的相互作用。
需要一个多学科的方法,接口干细胞和血管生物学与组织工程。
这些目标的成功完成将拓宽我们对hPSC-HECs和周细胞行为的理解
走向治疗模式。
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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Bria Macklin其他文献
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{{ truncateString('Bria Macklin', 18)}}的其他基金
Cellular perturbations to enhance precise therapeutic genome editing to treat FTD/ALS
细胞扰动增强精确治疗基因组编辑以治疗 FTD/ALS
- 批准号:
10607752 - 财政年份:2023
- 资助金额:
$ 4.45万 - 项目类别:
Exploring the role of hypoxia in human pluripotent stem cell derived endothelial cell vascular network formation and pericyte
探讨缺氧在人多能干细胞源性内皮细胞血管网络形成和周细胞中的作用
- 批准号:
9761281 - 财政年份:2018
- 资助金额:
$ 4.45万 - 项目类别:
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