人类诱导性多能干细胞稳定生产的最新进展
Ikki Horiguchi , Masahiro Kino-oka
工程(英文) ›› 2021, Vol. 7 ›› Issue (2) : 144 -152.
人类诱导性多能干细胞稳定生产的最新进展
Current Developments in the Stable Production of Human Induced Pluripotent Stem Cells
诱导性多能干细胞(iPSC)在许多方面,如再生医学和药物筛选方面,是理想的细胞来源,其开发前景广阔。但是,目前还没有一种有效的大规模生产系统来确保诱导性多能干细胞的稳定供应。本文综述了近年来为了实现诱导性多能干细胞的稳定生产所采取的方法。本文首先讨论了诱导性多能干细胞培养过程中需要控制的因素,如养分供应、废物清除和氧气供应。然后,介绍了基于黏附、悬浮和支架的诱导性多能干细胞培养系统的最新研究。本文还讨论了细胞培养阶段之后进行的过程,如灌装和冻存过程,由于细胞悬浮液在超低温保存培养基中存活率降低,所以其生产规模受到了限制。最后,我们总结了实现诱导性多能干细胞稳定生产的可能性,并强调了仍有待克服的局限性。本文表明为了获得最佳且稳定的大规模生产诱导性多能干细胞系统,运用多学科研究手段对研究影响细胞生长和质量的复杂因素是至关重要的。
Induced pluripotent stem cells (iPSCs) are considered to be ideal and promising cell sources for various applications such as regenerative medicine and drug screening. However, effective mass production systems for the stable supply of desired numbers of iPSCs are yet to be developed. This review introduces the various approaches that are currently available for stable iPSC production. We start by discussing the limiting factors to be controlled during iPSC culture, such as nutrient supply, waste removal, and oxygen availability. We then introduce recent investigations on iPSC culture systems based on adhesion, suspension, and scaffolds. We also discuss the downstream processes that follow the culture process, such as filling and freezing processes, which limit the production scale due to decreased cell viability during suspension in cryopreservation medium. Finally, we summarize the possibility of the stable mass production of iPSCs and highlight the limitations that remain to be overcome. We suggest that multidisciplinary investigations are essential to understand the different factors that influence cell growth and quality in order to obtain an optimal and stable iPSC mass production system.
诱导性多能干细胞 / 细胞生产 / 扩增 / 灌装 / 冻存
Induced pluripotent stem cell / Cell manufacturing / Expansion / Filling / Freezing
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