Exploring the role of hypoxia in human pluripotent stem cell derived endothelial cell vascular network formation and pericyte
Exploring the role of hypoxia in human pluripotent stem cell derived endothelial cell vascular network formation and pericyte
批准号:
9611918
负责人:
Bria Macklin
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
项目状态:
已结题
起止时间:
2018-07-01 至 2023-06-30
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
中文摘要
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英文摘要
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.
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