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Title: Amniotic fluid: Source of valuable mesenchymal stem cells and alternatively used as cryopreserved solution
Authors: Suteera Narakornsak
Sirinda Aungsuchawan
Peraphan Pothacharoen
Chaniporn Puaninta
Runchana Markmee
Waleephan Tancharoen
Tanongsak Laowanitwattana
Naree Poovachiranon
Chawapon Thaojamnong
Keywords: Biochemistry, Genetics and Molecular Biology
Issue Date: 1-Jan-2018
Abstract: © 2018 Elsevier GmbH Mesenchymal stem cells (MSCs), which possess remarkable capabilities, are found in amniotic fluid (AF). The findings of several studies have shown the potential benefits of these cells in applications of regenerative medicine. In clinical applications, an over-period of time is required in a preparation process that makes cell collection become more necessary. Herein, the aim of this study was to preserve and characterize the cell's properties after cell cryopreservation into an appropriate cryogenic medium. The results illustrated that the highest hAF-MSCs viability was found when the cells were conserved in a solution of 5% DMSO + 10% FBS in AF. However, no statistical differences were identified in a chromosomal aberration of the post-thawed cells when compared to the non-frozen cells. These cells could also maintain their MSC features through the ability to express cell prolific quality, illustrating the typical MSC markers and immune privilege properties of CD44, CD73, CD90 and HLA-ABC. Additionally, post-thawed cells were able to differentiate into chondrogenic lineage by exhibiting chondrogenic related genes (SOX9, AGC, COL2A1) and proteins (transcription factor SOX9 protein (SOX9), cartilage oligomeric matrix protein (COMP) and aggrecan core protein (AGC)), as well as to present sGAGs accumulation. Interestingly, the use of a transmission electron microscope (TEM) uncovered the enrichment of the rough endoplasmic reticulum (rER) that coincided with euchromatin and the prominent nucleolus in the chondrogenic-induced cells that are normally found in the cells of natural cartilage. All in all, this study manifested that AF can be a major consideration and applied for use as a co-mixture of cryogenic medium.
ISSN: 16180372
Appears in Collections:CMUL: Journal Articles

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