PC3-Secreted Microprotein Is Expressed in Glioblastoma Stem-Like Cells and Human Glioma Tissues
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- Maruyama Masato
- Department of Anatomy and Brain Science, Kansai Medical University
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- Nakano Yousuke
- Department of Anatomy and Brain Science, Kansai Medical University
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- Nishimura Takuya
- Department of Anatomy and Brain Science, Kansai Medical University
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- Iwata Ryoichi
- Department of Neurosurgery, Kansai Medical University
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- Matsuda Satoshi
- Department of Cell Signaling, Institute of Biomedical Science, Kansai Medical University
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- Hayashi Mikio
- Department of Physiology, Kansai Medical University
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- Nakai Yuki
- Department of Anatomy and Brain Science, Kansai Medical University
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- Nonaka Masahiro
- Department of Neurosurgery, Kansai Medical University
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- Sugimoto Tetsuo
- Department of Anatomy and Brain Science, Kansai Medical University
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<p>Glioblastoma multiforme (GBM) is the most prevalent malignant primary brain tumor with a high recurrence rate. Despite multimodal therapy including surgical resection, chemotherapy, and radiotherapy, the median survival time after the initial diagnosis of GBM is approximately 14 months. Since cancer stem cells (CSCs) are considered the leading cause of cancer recurrence, glioblastoma stem cell-targeted therapy is a promising strategy for the treatment of GBM. However, because CSC heterogeneity has been implicated in the difficulties of CSC-target therapy, more in-depth knowledge of CSC biology is still required to develop novel therapies. In this study, we established single cell-derived tumorspheres from human glioblastoma U87MG cells. One of these tumorspheres, P4E8 clone, showed CSC-like phenotypes, such as self-renewal capacity, expression of CSC markers, resistance to anti-cancer agents, and in vivo tumorigenicity. Therefore, we used P4E8 cells as a cell-based model of glioblastoma stem cells (GSCs). Gene expression analysis using microarray indicated that the most highly expressed genes in P4E8 cells compared to the parental U87MG were PC3-secreted microprotein (MSMP). Furthermore, MSMP was expressed in patient-derived GSCs and human glioma tissues at the protein level, implying that MSMP might contribute to glioma development and progression.</p>
収録刊行物
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- Biological & Pharmaceutical Bulletin
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Biological & Pharmaceutical Bulletin 44 (7), 910-919, 2021-07-01
公益社団法人 日本薬学会
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詳細情報 詳細情報について
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- CRID
- 1390570022235816960
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- NII論文ID
- 130008060376
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- NII書誌ID
- AA10885497
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- ISSN
- 13475215
- 09186158
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- NDL書誌ID
- 031534893
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- PubMed
- 33896885
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- 本文言語コード
- en
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- データソース種別
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- IRDB
- NDL
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- PubMed
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