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Isolation of glioma cancer stem cells in relation to histological grades in glioma specimens.

Authors
 Byung Ho Kong  ;  Na-Ri Park  ;  Frederick F. Lang  ;  Seok-Gu Kang  ;  Yong-Kil Hong  ;  Sun Ho Kim  ;  Dong-Seok Kim  ;  Jong Hee Chang  ;  Eun-Kyung Park  ;  Eui-Hyun Kim  ;  Se-Hoon Kim  ;  Su-Jae Lee  ;  Yong-Min Huh  ;  Ji-Hyun Lee  ;  Hye-Jin Shin  ;  Bo-Kyung Kim  ;  Jin-Kyoung Shim 
Citation
 Child's Nervous System, Vol.29(2) : 217-229, 2013 
Journal Title
 Child's Nervous System 
ISSN
 0256-7040 
Issue Date
2013
Abstract
PURPOSE: The existence of cancer stem cells (CSCs) in glioblastoma has been proposed. However, the unknown knowledge that is yet to be revealed is the presence of glioma CSCs (gCSCs) in correlation to each WHO grades of glioma. We approached this study with a hypothesis that specimens from high-grade gliomas would have higher isolation rate of gCSCs in comparison to those of lower-grade gliomas. METHODS: The glioma specimens were obtained from patients and underwent gliomasphere assay. The gliomaspheres were chosen to be analyzed with immunocytochemisty for surface markers. Then the selected gliomaspheres were exposed to neural differentiation conditions. Lastly, we made mouse orthotopic glioma models to examine the capacity of gliomagenesis. RESULTS: The gliomaspheres were formed in WHO grade IV (13 of 21) and III (two of nine) gliomas. Among them, WHO grade IV (11 of 13) and III (two of two) gliomaspheres showed similar surface markers to gCSCs and were capable of neural differentiation. Lastly, among the chosen cells, 10 of 11 WHO grade IV and two of two WHO grade III gliomaspheres were capable of gliomagenesis. Thus, overall, the rates of existence of gCSCs were more prominent in high-grade gliomas: 47.6% (10 of 21) in WHO grade IV gliomas and 22.2% (two of nine) in WHO grade III gliomas, whereas WHO grade II and I gliomas showed virtually no gCSCs. CONCLUSIONS: This trend of stage-by-stage increase of gCSCs in gliomas showed statistical significance by chi-square test linear-by-linear association. We prove that the rates of existence of gCSCs increase proportionally as the WHO grades of gliomas rise.
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/86124
DOI
10.1007/s00381-012-1964-9
Appears in Collections:
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원)
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실)
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실)
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실)
Yonsei Authors
강석구(Kang, Seok Gu) ; 김동석(Kim, Dong Seok) ; 김보경(Kim, Bo Kyung) ; 김선호(Kim, Sun Ho) ; 김세훈(Kim, Se Hoon) ; 김의현(Kim, Eui Hyun) ; 박은경(Park, Eun Kyung) ; 이지현(Lee, Ji Hyun) ; 장종희(Chang, Jong Hee) ; 허용민(Huh, Yong Min)
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Full Text
http://link.springer.com/article/10.1007%2Fs00381-012-1964-9
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