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논문 기본 정보

자료유형
학술저널
저자정보
Yen N. Diep (Institute of Quantum Biophysics Sungkyunkwan University) Hee Jung Park (Department of Nuclear Medicine Yonsei University College of Medicine) Joon‑Ho Kwon (Center for Cognition and Sociality Institute for Basic Science) Minh Tran (Institute of Quantum Biophysics Sungkyunkwan University) Hae Young Ko (Department of Nuclear Medicine Yonsei University College of Medicine) 조한희 (연세대학교 의과대학) Jisu Kim (Department of Nuclear Medicine Yonsei University College of Medicine) Jee‑In Chung (Department of Nuclear Medicine Yonsei University College of Medicine) 김태영 (Institute for Basic Science (IBS)) Dongwoo Kim (Department of Nuclear Medicine Yonsei University College of Medicine) Jong Hee Chang (Department of Neurosurgery Brain Tumor Center Severance Hospital) You Jung Kang (Institute of Quantum Biophysics Sungkyunkwan University) C. Justin Lee (기초과학연구원) 윤미진 (연세대학교) Hansang Cho (Institute of Quantum Biophysics Sungkyunkwan University)
저널정보
한국생체재료학회 생체재료학회지 생체재료학회지 제27권
발행연도
2023.3
수록면
1,766 - 1,784 (19page)
DOI
https://doi.org/10.1186/s40824-023-00408-4

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Background Glial scar formation is a reactive glial response confning injured regions in a central nervous system. However, it remains challenging to identify key factors formulating glial scar in response to glioblastoma (GBM) due to complex glia-GBM crosstalk. Methods Here, we constructed an astrocytic scar enclosing GBM in a human assembloid and a mouse xeno‑ graft model. GBM spheroids were preformed and then co-cultured with microglia and astrocytes in 3D Matrigel. For the xenograft model, U87-MG cells were subcutaneously injected to the Balb/C nude female mice. Results Additional glutamate was released from GBM-microglia assembloid by 3.2-folds compared to GBM alone. The glutamate upregulated astrocytic monoamine oxidase-B (MAO-B) activity and chondroitin sulfate proteoglycans (CSPGs) deposition, forming the astrocytic scar and restricting GBM growth. Attenuating scar formation by the gluta‑ mate–MAO-B inhibition increased drug penetration into GBM assembloid, while reducing GBM confnement. Conclusions Taken together, our study suggests that astrocytic scar could be a critical modulator in GBM therapeutics.

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