학술논문

A stress-reduced passaging technique improves the viability of human pluripotent cells
Document Type
article
Source
Cell Reports Methods. 2(2)
Subject
Medical Biotechnology
Biomedical and Clinical Sciences
Stem Cell Research - Induced Pluripotent Stem Cell
Stem Cell Research - Induced Pluripotent Stem Cell - Human
Stem Cell Research - Embryonic - Human
Stem Cell Research
Humans
Reproducibility of Results
Pluripotent Stem Cells
Cell Differentiation
DNA damage
human pluripotent stem cell
passage
reproducibility
viability
xeno-free culture
Language
Abstract
Xeno-free culture systems have expanded the clinical and industrial application of human pluripotent stem cells (PSCs). However, reproducibility issues, often arising from variability during passaging steps, remain. Here, we describe an improved method for the subculture of human PSCs. The revised method significantly enhances the viability of human PSCs by lowering DNA damage and apoptosis, resulting in more efficient and reproducible downstream applications such as gene editing and directed differentiation. Furthermore, the method does not alter PSC characteristics after long-term culture and attenuates the growth advantage of abnormal subpopulations. This robust passaging method minimizes experimental error and reduces the rate of PSCs failing quality control of human PSC research and application.