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Isolation of mesenchymal stem-like cells in meningioma specimens

 Hyo-Yeol Lim  ;  Kyung Min Kim  ;  Bo Kyung Kim  ;  Jin-Kyoung Shim  ;  Ji-Hyun Lee  ;  Yong-Min Huh  ;  Se-Hoon Kim  ;  Eui-Hyun Kim  ;  Eun-Kyung Park  ;  Kyu-Won Shim  ;  Jong Hee Chang  ;  Dong-Seok Kim  ;  Sun Ho Kim  ;  Yong-Kil Hong  ;  Su-Jae Lee  ;  Seok-Gu Kang 
 International Journal of Oncology, Vol.43(4) : 1260-1268, 2013 
Journal Title
 International Journal of Oncology 
Issue Date
Cells resembling bone marrow mesenchymal stem cells (BM-MSCs) have been isolated from glioma specimens; however, little is known about the existence of mesenchymal stem-like cells (MSLCs) in meningioma. Here, we hypothesized that cells similar to BM-MSCs exist in meningioma specimens and sought to investigate whether these putative meningioma stroma MSLCs (MS-MSLCs) could be isolated. To this end, we cultured fresh meningioma specimens using the same protocols as used previously to isolate BM-MSC. Cultured cells were analyzed for surface markers associated with BM-MSCs by fluorescence-activated cell sorting (FACS) and candidate cells were exposed to mesenchymal differentiation conditions. Possible locations of MS-MSLCs were determined by immunohistochemical analysis of sections of meningioma specimens. Spindle-shaped and, adherent cells similar to BM-MSCs were isolated in 2 of 20 meningioma specimens. FACS analysis showed that the surface markers of MS-MSLCs were similar to those of BM-MSCs and the chosen cells demonstrated an ability to differentiate into osteogenic, adipogenic and chondrogenic cells. The tumorigenicity of MS-MSLCs was tested by injection of these cells into the brain of athymic nude mice; no tumors were subsequently discovered. Immunohistochemical analyses indicated that CD105+ cells were closely associated with endothelial cells and pericytes in meningioma specimens. Our results established for the first time that cells similar to BM-MSCs exist in meningioma specimens. These cells, termed MS-MSLCs, could be one component of the meningioma cellular microenvironment.
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1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kang, Seok Gu(강석구) ORCID logo https://orcid.org/0000-0001-5676-2037
Kim, Dong Seok(김동석)
Kim, Sun Ho(김선호) ORCID logo https://orcid.org/0000-0003-0970-3848
Kim, Se Hoon(김세훈) ORCID logo https://orcid.org/0000-0001-7516-7372
Kim, Eui Hyun(김의현) ORCID logo https://orcid.org/0000-0002-2523-7122
Park, Eun Kyung(박은경)
Shim, Kyu Won(심규원) ORCID logo https://orcid.org/0000-0002-9441-7354
Lee, Ji Hyun(이지현) ORCID logo https://orcid.org/0000-0002-9223-9478
Chang, Jong Hee(장종희)
Huh, Yong Min(허용민) ORCID logo https://orcid.org/0000-0002-9831-4475
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