首页> 外文会议>Scale-up and manufacturing of cell-based therapies V >IMPROVING PRODUCTION AND MATURATION OF CARDIOMYOCYTES DERIVED FROM HUMAN PLURIPOTENT STEM CELLS: AN '-OMICS' DRIVEN APPROACH
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IMPROVING PRODUCTION AND MATURATION OF CARDIOMYOCYTES DERIVED FROM HUMAN PLURIPOTENT STEM CELLS: AN '-OMICS' DRIVEN APPROACH

机译:改进人类多能干细胞来源的心肌细胞的生产和成熟度:“-OMICS”驱动方法

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摘要

The production of human pluripotent stem cell derived cardiomyocytes (hPSC-CMs) holds great promise for cardiotoxicity drug testing, disease modeling and cardiac regeneration. However, the complex nets of signaling pathways involved in cardiomyogenesis compromises the effectiveness of the existing differentiation protocols to reproducibly produce high-quality hPSC-CMs. Produced hPSC-CMs are immature compared with adult CMs, express typical fetal cardiac genes, use glucose as major energy source and have immature structural and electrophysiological properties. In this study we aim to overcome these hurdles by devising an integrated strategy for production and maturation of functional hPSC-CMs. hPSC (hiPSC and hESC lines) were differentiated into CMs, using a novel directed differentiation protocol. CM differentiation was monitored by flow cytometry, qRT-PCR and proteomic analyses. Different medium compositions were tested aiming to improve hPSC-CM maturation after differentiation. Metabolome, fluxome and transcriptome analyses as well as structural, ultrastructural and functionality analyses were used to evaluate the impact of feeding strategies on hiPSC-CM maturation.
机译:人多能干细胞衍生的心肌细胞(hPSC-CMs)的生产对于心脏毒性药物测试,疾病建模和心脏再生具有广阔的前景。但是,参与心肌发生的信号通路的复杂网络损害了现有分化方案可重复生产高质量hPSC-CM的有效性。产生的hPSC-CM与成人CM相比未成熟,表达典型的胎儿心脏基因,使用葡萄糖作为主要能源,并且具有不成熟的结构和电生理特性。在这项研究中,我们旨在通过设计功能性hPSC-CM的生产和成熟的综合策略来克服这些障碍。使用新型定向分化方案将hPSC(hiPSC和hESC系)分化为CM。通过流式细胞仪,qRT-PCR和蛋白质组学分析监测CM分化。测试了不同的培养基组成,旨在改善分化后的hPSC-CM成熟。代谢组,通量组和转录组分析以及结构,超微结构和功能分析被用来评估喂养策略对hiPSC-CM成熟的影响。

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  • 来源
  • 会议地点 San Diego(US)
  • 作者单位

    ITQB-UNL, Institute de Tecnologia Qufmica e Biologica Antonio Xavier, Universidade Nova de Lisboa, iBET, Instituto de Biologia Experimental e Tecnologica, Oeiras, Portugal;

    ITQB-UNL, Instituto de Tecnologia Qufmica e Biologica Antonio Xavier, Universidade Nova de Lisboa, iBET, Instituto de Biologia Experimental e Tecnologica, Oeiras, Portugal;

    ITQB-UNL, Instituto de Tecnologia Quimica e Biologica Antonio Xavier, Universidade Nova de Lisboa, iBET, Instituto de Biologia Experimental e Tecnologica, Oeiras, Portugal;

    ITQB-UNL, Instituto de Tecnologia Quimica e Biologica Antonio Xavier, Universidade Nova de Lisboa, iBET, Instituto de Biologia Experimental e Tecnologica, Oeiras, Portugal;

    ITQB-UNL, Instituto de Tecnologia Quimica e Biologica Antonio Xavier, Universidade Nova de Lisboa, iBET, Instituto de Biologia Experimental e Tecnologica, Oeiras, Portugal;

    ITQB-UNL, Instituto de Tecnologia Quimica e Biologica Antonio Xavier, Universidade Nova de Lisboa, iBET, Instituto de Biologia Experimental e Tecnologica, Oeiras, Portugal;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    human Pluripotent Stem Cell-derived Cardiomyocytes; differentiation; maturation; systems biology;

    机译:人多能干细胞来源的心肌细胞;分化成熟系统生物学;

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