Secretome analysis of tumor stroma involved in the process of cancer progression
Project/Area Number |
18K07244
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Review Section |
Basic Section 50010:Tumor biology-related
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Research Institution | Tokyo Medical University |
Principal Investigator |
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Project Period (FY) |
2018-04-01 – 2021-03-31
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Project Status |
Completed (Fiscal Year 2020)
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Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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Keywords | がん間質 / がん微小環境 / 多発性骨髄腫 / miRNA / エクソソーム / セクレトーム / セクレトーム解析 / MGUS |
Outline of Final Research Achievements |
In this study, we investigated the role of extracellular vesicles (EVs) from BMSCs derived from MM patients (MM-BMSCs). EV-encapsulated miR-10a expression was high while intracellular miR-10a was low in MM-BMSCs. We therefore hypothesized that miR-10a was packaged into EVs that were actively released into the extracellular space. Inhibition of EV release resulted in accumulation of intracellular miR-10a, inhibition of cell proliferation, and induction of apoptosis in MM-BMSCs. In contrast, proliferation and apoptosis of BMSCs derived from healthy individuals were unaffected by inhibition of EV release. Furthermore, miR-10a derived from MM-BMSCs was transferred into MM cells via EVs and enhanced their proliferation. These results suggest that inhibition of EV release induced apoptosis in MM-BMSCs and inhibited MM cell growth, indicating a possible role for MM-BMSC-targeted therapy.
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Academic Significance and Societal Importance of the Research Achievements |
本研究では機能的、すなわち腫瘍細胞の進展をサポート可能な間質細胞が放出する因子を探索した。そして、がん間質細胞を標的とする治療法の意義として、上皮性のがん細胞ががん間質細胞へと形質転換(Epithelial-mesenchymal transition: EMT)し、高い転移能やアポトーシスに対する抵抗性を獲得してしまうことが知られており、抗がん剤によって腫瘍細胞を抑制できたとしても、がん間質細胞が残存していると再発や治療抵抗性に多大な影響を及ぼすことが予想され、腫瘍細胞とともにがん間質細胞の撲滅が有効的であると考えられる。
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Report
(4 results)
Research Products
(30 results)
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[Journal Article] Comprehensive Gene Analysis of IgG4-Related Ophthalmic Disease Using RNA Sequencing2021
Author(s)
Asakage M, Usui Y, Nezu N, Shimizu H, Tsubota K, Umazume K, Yamakawa N, Umezu T, Suwanai H, Kuroda M, Goto H.
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Journal Title
Invest Ophthalmol Vis Sci
Volume: in press
Issue: 11
Pages: 3548-3548
DOI
NAID
Related Report
Peer Reviewed / Open Access
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[Journal Article] Downregulation of extracellular vesicle microRNA-101 derived from bone marrow mesenchymal stromal cells in myelodysplastic syndrome with disease progression.2020
Author(s)
Saitoh Y, Umezu T, Imanishi S, Asano M, Yoshizawa S, Katagiri S, Suguro T, Fujimoto H, Akahane D, Kobayashi-Kawana C, Ohyashiki JH, Ohyashiki K.
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Journal Title
Oncol Lett.
Volume: 19(3)
Pages: 2053-2061
DOI
Related Report
Peer Reviewed / Open Access
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[Journal Article] Predisposed genomic instability in pre-treatment bone marrow evolves to therapy-related myeloid neoplasms in malignant lymphoma.2019
Author(s)
Katagiri S, Makishima H, Azuma K, Nannya Y, Saitoh Y, Yoshizawa S, Akahane D, Fujimoto H, Ito Y, Velaga R, Umezu T, Ohyashiki JH, Ogawa S, Ohyashiki K.
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Journal Title
Haematologica.
Volume: Nov 7
Issue: 7
Pages: 229856-229856
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] Lineage-specific RUNX2 super-enhancer activates MYC via a chromosomal translocation and promotes the development of blastic plasmacytoid dendritic cell neoplasm2019
Author(s)
Kubota S, Tokunaga K, Umezu T, Yokomizo-Nakano T, Oshima M, Tan KT, Yang H, Kanai A. Iwanaga E, Asou N, Maeda T, Nakagata N. Ito T, Iwama A. Ohyashiki K, Osato M, Sashida G.
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Journal Title
Nat Commun
Volume: 10
Issue: 1
Pages: 1653-1653
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] BIM deletion polymorphism accounts for lack of favorable outcome in Japanese females with follicular lymphoma.2019
Author(s)
Ito Y, Umezu T, Tadokoro K, Saito Y, Katagiri S, Suguro T, Asano M, Yoshizawa S, Akahane D, Tanaka Y, Fujimoto H, Okabe S, Gotoh M, Tauchi T, Kawana C, Ohyashiki JH, Nakamura N, Ohyashiki K.
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Journal Title
Leuk Lymphoma.
Volume: 60(5)
Issue: 5
Pages: 1283-1288
DOI
Related Report
Peer Reviewed / Open Access
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[Journal Article] Maintenance 5-azacytidine therapy by MRD monitoring after allogeneic HSCT in myeloid/lymphoid neoplasms with FGFR1 rearrangement.2019
Author(s)
Katagiri S, Umezu T, Azuma K, Kobayashi C, Akahane D, Suguro T, Furuya N, Fujimoto H, Nakamura N, Ohyashiki JH, Ohyashiki K.
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Journal Title
Bone Marrow Transplant.
Volume: -
Issue: 7
Pages: 1148-1150
DOI
Related Report
Peer Reviewed
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[Journal Article] Hidden FLT3-D835Y clone in FLT3-ITD-positive acute myeloid leukemia that evolved into very late relapse with T-lymphoblastic leukemia2017
Author(s)
Katagiri S, Umezu T, Asano M, Akahane D, Azuma K, Makishima H, Yoshida K, Watatani Y, Chiba K, Miyano S, Ogawa S, Ohyashiki JH, Ohyashiki K
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Journal Title
Leukemia and Lymphoma
Volume: 3
Issue: 6
Pages: 1-4
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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