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Biological characterization of the UW402, UW473, ONS-76 and DAOY pediatric medulloblastoma cell lines
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Biological characterization of the UW402, UW473, ONS-76 and DAOY pediatric medulloblastoma cell lines
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Journal Article
Biological characterization of the UW402, UW473, ONS-76 and DAOY pediatric medulloblastoma cell lines
2019
Overview
Medulloblastoma (MB) is the most common malignant brain tumor in children. Recent advances in molecular technologies allowed to classify MB in 4 major molecular subgroups: WNT, SHH, Group 3 and Group 4. In cancer research, cancer cell lines are important for examining and manipulating molecular and cellular process. However, it is important to know the characteristics of each cancer cell line prior to use, because there are some differences among them, even if they originate from the same cancer type. This study aimed to evaluate the similarities and differences among four human medulloblastoma cell lines, UW402, UW473, DAOY and ONS-76. The medulloblastoma cell lines were analyzed for (1) cell morphology, (2) immunophenotyping by flow cytometry for some specifics surface proteins, (3) expression level of adhesion molecules by RT-qPCR, (4) proliferative potential, (5) cell migration, and (6) in vivo tumorigenic potential. It was observed a relationship between cell growth and
CDH1
(E-chaderin) adhesion molecule expression and all MB cell lines showed higher levels of
CDH2
(N-chaderin) when compared to other adhesion molecule. ONS-76 showed higher gene expression of
CDH5
(VE-chaderin) and higher percentage of CD144/VE-chaderin positive cells when compared to other MB cell lines. All MB cell lines showed low percentage of CD34, CD45, CD31, CD133 positive cells and high percentage of CD44, CD105, CD106 and CD29 positive cells. The DAOY cell line showed the highest migration potential, the ONS-76 cell line showed the highest proliferative potential and only DAOY and ONS-76 cell lines showed tumorigenic potential in vivo. MB cell lines showed functional and molecular differences among them, which it should be considered by the researchers in choosing the most suitable cellular model according to the study proposal.
Publisher
Springer Netherlands,Springer Nature B.V
Subject
