Yanqin Ding , Shuo Liu , Jianting Liu , Shenglin Jin , Jianjun Wang
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引用次数: 0
Abstract
Cryopreservation (CP) enables pooling and long-term banking of various types of cells, which is indispensable for the cell therapeutics. Dimethyl sulfoxide (DMSO) is universally used as a cryoprotectant in basic and clinical research. Although, the use of DMSO has been under serious debate due to significant clinical side effects correlated with infusions of cellular therapy products containing DMSO, the effect of CP with DMSO on the cell properties and functions remains unknown. Here, we experimentally found that the CP of human bone mesenchymal stem cells (hBMSCs) with 10 % DMSO results 10–15 % of cells apoptosis upon immediate freeze-thaw, ca. 3.8 times of DNA damage/repair relative to the fresh ones after post-thaw cultured in 48 h, and cell cycle arrests at G0/G1 after post-thaw cultured in 24 h. Moreover, CP with 10 % DMSO significantly increases the reactive oxygen species (ROS) level of the frozen-thawed MSCs which may be one of the causes impair cellular properties and functions. Indeed, we found that the differentiation and migration ability of post-thaw cultured hBMSCs decrease as the expression of adipogenic, osteogenic genes and F-actin reduces in the comparison with those of the fresh cells.
期刊介绍:
Cryobiology: International Journal of Low Temperature Biology and Medicine publishes research articles on all aspects of low temperature biology and medicine.
Research Areas include:
• Cryoprotective additives and their pharmacological actions
• Cryosurgery
• Freeze-drying
• Freezing
• Frost hardiness in plants
• Hibernation
• Hypothermia
• Medical applications of reduced temperature
• Perfusion of organs
• All pertinent methodologies
Cryobiology is the official journal of the Society for Cryobiology.