Kusakabe Manabu 日下部学

Researcher Number	40804381
Other IDs	https://orcid.org/0000-0003-2518-0776
Affiliation (based on the past Project Information) *help	2018 – 2021: 筑波大学, 医学医療系, 講師
Review Section/Research Field	Principal Investigator Basic Section 54010:Hematology and medical oncology-related Except Principal Investigator Basic Section 54010:Hematology and medical oncology-related / Medium-sized Section 50:Oncology and related fields
Keywords	Principal Investigator シーケンス / 次世代シーケンス / 悪性リンパ腫 / 腫瘍内不均一性 / びまん性大細胞型B細胞リンパ腫 / 予後予測 / メソトレキセート / 自己免疫疾患 / 遺伝子変異 / 医原性リンパ増殖性疾患 … More Except Principal Investigator … More 間葉系幹細胞 / 幹細胞ニッチ / 骨髄繊維症 / 骨髄異形成症候群 / 造血器腫瘍 / 造血ニッチ / 急性骨髄性白血病 / 造血幹細胞 / 造血幹細胞ニッチ / 微小環境 / 炎症細胞 / TET2 / メラノーマ / マウスモデル / クローン造血 / がん免疫応答 / がん微小環境 Less

びまん性大細胞型B細胞リンパ腫の臨床検体シーケンスによる腫瘍内不均一性の解明Principal Investigator
- Principal Investigator
  
  日下部学
- Project Period (FY)
  2020 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 54010:Hematology and medical oncology-related
- Research Institution
  University of Tsukuba
Tumor-supporting mechanisms by inflammatory cells with somatic mutations
- Principal Investigator
  
  Sakata-Yanagimoto Mamiko
- Project Period (FY)
  2018 – 2019
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 50:Oncology and related fields
- Research Institution
  University of Tsukuba
Analyses of hematopoietic niche in hematologic malignancy
- Principal Investigator
  
  Nishikii Hidekazu
- Project Period (FY)
  2018 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 54010:Hematology and medical oncology-related
- Research Institution
  University of Tsukuba
OIIA-LPD and genetic alterationPrincipal Investigator
- Principal Investigator
  
  Kusakabe Manabu
- Project Period (FY)
  2018 – 2019
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 54010:Hematology and medical oncology-related
- Research Institution
  University of Tsukuba

All 2021 2020 2019 2018

All Journal Article Presentation

[Journal Article] Intratumor heterogeneity of lymphoma identified by multiregion sequencing of autopsy samples2021
- Author(s)
  Makishima Kenichi、Suehara Yasuhito、Abe Yoshiaki、Hattori Keiichiro、Kusakabe Manabu、Matsuoka Ryota、Chiba Shigeru、Sakata‐Yanagimoto Mamiko
- Journal Title
  
  Cancer Science
  
  Volume: - Issue: 1 Pages: 362-364
- DOI
  10.1111/cas.15178
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K08725, KAKENHI-PROJECT-20K16165, KAKENHI-PROJECT-19K17820, KAKENHI-PROJECT-19H03684
[Journal Article] Retrospective analyses of other iatrogenic immunodeficiency‐associated lymphoproliferative disorders in patients with rheumatic diseases2021
- Author(s)
  Kaji D、Kusakabe M、Sakata‐Yanagimoto M、Makishima K、Suehara Y、Hattori K、Ota Y、Mitsuki T、Yuasa M、Kageyama K、Taya Y、Nishida A、Ishiwata K、Takagi S、Yamamoto H、Asano‐Mori Y、Ubara Y、Izutsu K、Uchida N、Wake A、Taniguchi S、Yamamoto G、Chiba S
- Journal Title
  
  British Journal of Haematology
  
  Volume: 195 Issue: 4 Pages: 585-594
- DOI
  10.1111/bjh.17824
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K08725, KAKENHI-PROJECT-19K17820, KAKENHI-PROJECT-19H03684
[Journal Article] Early administration of cyclosporine may reduce the incidence of cytokine release syndrome after HLA-haploidentical hematopoietic stem-cell transplantation with post-transplant cyclophosphamide2021
- Author(s)
  Kurita Naoki、Sakamoto Tatsuhiro、Kato Takayasu、Kusakabe Manabu、Yokoyama Yasuhisa、Nishikii Hidekazu、Sakata-Yanagimoto Mamiko、Obara Naoshi、Hasegawa Yuichi、Chiba Shigeru
- Journal Title
  
  Annals of Hematology
  
  Volume: 100 Issue: 5 Pages: 1295-1301
- DOI
  10.1007/s00277-021-04439-6
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K16107, KAKENHI-PROJECT-20K08725, KAKENHI-PROJECT-21K08365, KAKENHI-PROJECT-21K16261
[Journal Article] Molecular pathogenesis of progression to myeloid leukemia from TET-insufficient status.2020
- Author(s)
  Shrestha R, Sakata-Yanagimoto M, Maie K, Oshima M, Ishihara M, Suehara Y, Fukumoto K,1 Nakajima-Takagi Y, Matsui H, Kato T, Muto H, Sakamoto T, Kusakabe M, Nannya Y, Makishima H, Ueno H, Saiki R, Ogawa S, Chiba K, Shiraishi Y, Miyano S, Mouly E, Bernard OA, Inaba T, Koseki H, Iwama A, Chiba S
- Journal Title
  
  Blood Adv.
  
  Volume: 4(5) Issue: 5 Pages: 845-854
- DOI
  10.1182/bloodadvances.2019001324
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K08334, KAKENHI-PLANNED-15H05909, KAKENHI-PROJECT-19H05656, KAKENHI-PROJECT-19H01053, KAKENHI-PROJECT-18H02838, KAKENHI-PROJECT-18K16076, KAKENHI-PROJECT-20K08725, KAKENHI-PROJECT-19K23879, KAKENHI-PLANNED-19H05745, KAKENHI-PROJECT-16H02622, KAKENHI-PROJECT-19H03684
[Journal Article] Dasatinib is an effective treatment for angioimmunoblastic T-cell lymphoma.2020
- Author(s)
  Nguyen TB, Sakata-Yanagimoto M, Fujisawa M, Tanzima Nuhat S, Miyoshi H, Nannya Y, Hashimoto K, Fukumoto K, Bernard OA, Kiyoki Y, Ishitsuka K, Momose H, Sukegawa S, Shinagawa A, Suyama T, Sato Y, Nishikii H, Obara N, Kusakabe M, Yanagimoto S, Ogawa S, Ohshima K, Chiba S.
- Journal Title
  
  Cancer Res. 2020.
  
  Volume: - Issue: 9 Pages: 1875-1884
- DOI
  10.1158/0008-5472.can-19-2787
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05909, KAKENHI-PROJECT-18K16076, KAKENHI-PROJECT-18K16077, KAKENHI-PROJECT-19H05656, KAKENHI-PROJECT-19J11329, KAKENHI-PROJECT-19H03684
[Journal Article] Occurrence of T-cell and NK-cell subsets with less well-recognized phenotypes in peripheral blood submitted for routine flow cytometry analysis2020
- Author(s)
  Hill Ainsleigh J.、Zhang Chaoran、Kusakabe Manabu、Gowing Kevin、Wang Xuehai、Brinkman Ryan R.、Weng Andrew P.、Craig Jeffrey W.
- Journal Title
  
  Cytometry Part B: Clinical Cytometry
  
  Volume: - Issue: 2 Pages: 1-5
- DOI
  10.1002/cyto.b.21876
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K16076
[Journal Article] Single Cell Phenotypic Profiling of 27 DLBCL Cases Reveals Marked Intertumoral and Intratumoral Heterogeneity2019
- Author(s)
  Nissen MD、Kusakabe M、Wang X、Simkin G、Gracias D、Tyshchenko K、Hill A、Meskas J、Hung S、Chavez EA、Ennishi D、Aoki T、Sarkozy C、Connors JM、Farinha P、Slack GW、Gascoyne RD、Brinkman RR、Scott DW、Steidl C、Weng AP
- Journal Title
  
  Cytometry Part A
  
  Volume: - Issue: 6 Pages: 1-10
- DOI
  10.1002/cyto.a.23919
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K16076
[Journal Article] Durable Leukemic Remission and Autologous Marrow Recovery with Random Chromosomal Abnormalities after Allogeneic Hematopoietic Stem Cell Transplantation for Chronic Lymphocytic Leukemia2019
- Author(s)
  Nishikii Hidekazu、Kurita Naoki、Shinagawa Atsushi、Sakamoto Tatsuhiro、Kusakabe Manabu、Yokoyama Yasuhisa、Kato Takayasu、Sakata-Yanagimoto Mamiko、Obara Naoshi、Hasegawa Yuichi、Nakamura Naoya、Chiba Shigeru
- Journal Title
  
  Case Reports in Hematology
  
  Volume: 2019 Pages: 1-5
- DOI
  10.1155/2019/9710790
- NAID
  120007128070
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K09898, KAKENHI-PROJECT-18K08316, KAKENHI-PROJECT-18K16076, KAKENHI-PROJECT-18K16107, KAKENHI-PROJECT-17K09946
[Journal Article] The prognosis of disseminated intravascular coagulation associated with hematologic malignancy and its response to recombinant human thrombomodulin2019
- Author(s)
  Kurita Naoki、Sakamoto Tatsuhiro、Kato Takayasu、Kusakabe Manabu、Yokoyama Yasuhisa、Nishikii Hidekazu、Sakata-Yanagimoto Mamiko、Obara Naoshi、Hasegawa Yuichi、Chiba Shigeru
- Journal Title
  
  Thrombosis Research
  
  Volume: 173 Pages: 57-64
- DOI
  10.1016/j.thromres.2018.11.014
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K16076, KAKENHI-PROJECT-18K16107, KAKENHI-PROJECT-17K09898, KAKENHI-PROJECT-17K09946
[Journal Article] Synthetic modeling reveals HOXB genes are critical for the initiation and maintenance of human leukemia2019
- Author(s)
  Kusakabe M、Sun AC、Tyshchenko K、Wong R、Nanda A、Shanna C、Gusscott S、Chavez EA.、Lorzadeh A、Zhu A、Hill A、Hung S、Brown S、Babaian A、Wang X、Holt RA、Steidl C、Karsan A、Humphries RK、Eaves CJ、Hirst M、Weng AP
- Journal Title
  
  Nature Communications
  
  Volume: 10 Issue: 1 Pages: 1-15
- DOI
  10.1038/s41467-019-10510-8
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K16076
[Journal Article] Mutations found in cell-free DNAs of patients with malignant lymphoma at remission can derive from clonal hematopoiesis2019
- Author(s)
  Suehara Y, Sakata-Yanagimoto M, Hattori K, Kusakabe M, Nanmoku T, Sato T, Noguchi M, Chiba S
- Journal Title
  
  Cancer Sci
  
  Volume: 110(10) Issue: 10 Pages: 3375-3381
- DOI
  10.1111/cas.14176
- NAID
  120007133006
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K19464, KAKENHI-PROJECT-18K16076, KAKENHI-PROJECT-19K23879, KAKENHI-PROJECT-19H03684
[Journal Article] Successful management of primary immune thrombocytopenia with romiplostim during open heart surgery in a hemodialysis patient2019
- Author(s)
  錦井秀和、栗田尚樹、日下部学、横山泰久、加藤貴康、坂田（柳元）麻実子、小原直、長谷川雄一、千葉滋
- Journal Title
  
  Rinsho Ketsueki
  
  Volume: 60 Issue: 1 Pages: 28-32
- DOI
  10.11406/rinketsu.60.28
- NAID
  130007590727
- ISSN
  0485-1439, 1882-0824
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K09898, KAKENHI-PROJECT-18K08316, KAKENHI-PROJECT-18K16076
[Journal Article] Droplet digital PCR assay and PNA-LNA clamp method for RHOA mutation detection in angioimmunoblastic T-cell lymphoma2018
- Author(s)
  Tanzima Nuhat S, Sakata-Yanagimoto M, Komori D, Hattori K, Suehara Y, Fukumoto K, Fujisawa M, Kusakabe M, Matsue K, Wakamatsu H, Shimadzu M, Chiba S
- Journal Title
  
  Cancer Sci
  
  Volume: - Issue: 5 Pages: 1682-1689
- DOI
  10.1111/cas.13557
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16H02660, KAKENHI-PROJECT-16K15497, KAKENHI-PROJECT-18K16076
[Journal Article] Genetic evidence implies that primary and relapsed tumors arise from common precursor cells in primary central nervous system lymphoma2018
- Author(s)
  Hattori Keiichiro、Sakata-Yanagimoto Mamiko、Kusakabe Manabu、Nanmoku Toru、Suehara Yasuhito、Matsuoka Ryota、Noguchi Masayuki、Yokoyama Yasuhisa、Kato Takayasu、Kurita Naoki、Nishikii Hidekazu、Obara Naoshi、Takano Shingo、Ishikawa Eiichi、Matsumura Akira、Muratani Masafumi、Hasegawa Yuichi、Chiba Shigeru
- Journal Title
  
  Cancer Science
  
  Volume: 110 Issue: 1 Pages: 401-407
- DOI
  10.1111/cas.13848
- NAID
  120007128280
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K09946, KAKENHI-PROJECT-18K16076, KAKENHI-PROJECT-16H02660, KAKENHI-PROJECT-17K09898, KAKENHI-PROJECT-15H05576
[Journal Article] Blastic plasmacytoid dendritic cell neoplasm accompanied by chronic myelomonocytic leukemia successfully treated with azacitidine2018
- Author(s)
  助川慎一郎、横山泰久、錦井秀和、加藤貴康、日下部学、栗田尚樹、小原直、長谷川雄一、千葉滋、坂田（柳元）麻実子、松岡亮太、百瀬春佳、清木祐介、野口雅之、中村直哉、渡辺玲、藤本学
- Journal Title
  
  Rinsho Ketsueki
  
  Volume: 59 Issue: 12 Pages: 2567-2573
- DOI
  10.11406/rinketsu.59.2567
- NAID
  130007554669
- ISSN
  0485-1439, 1882-0824
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K09898, KAKENHI-PROJECT-18K16076
[Journal Article] High efficacy of eculizumab treatment for fulminant hemolytic anemia in primary cold agglutinin disease2018
- Author(s)
  Makishima Kenichi、Obara Naoshi、Ishitsuka Kantaro、Sukegawa Shinichiro、Suma Sakurako、Kiyoki Yusuke、Baba Naoko、Sakamoto Tatsuhiro、Kato Takayasu、Kusakabe Manabu、Nishikii Hidekazu、Kurita Naoki、Yokoyama Yasuhisa、Sakata-Yanagimoto Mamiko、Hasegawa Yuichi、Chiba Shigeru
- Journal Title
  
  Annals of Hematology
  
  Volume: 98 Issue: 4 Pages: 1031-1032
- DOI
  10.1007/s00277-018-3521-4
- NAID
  120007128039
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K16076, KAKENHI-PROJECT-18K16107, KAKENHI-PROJECT-17K09898
[Journal Article] An Unprecedented Case of p190 BCR-ABL Chronic Myeloid Leukemia Diagnosed during Treatment for Multiple Myeloma: A Case Report and Review of the Literature2018
- Author(s)
  Miki Kosuke、Obara Naoshi、Makishima Kenichi、Sakamoto Tatsuhiro、Kusakabe Manabu、Kato Takayasu、Kurita Naoki、Nishikii Hidekazu、Yokoyama Yasuhisa、Sakata-Yanagimoto Mamiko、Hasegawa Yuichi、Chiba Shigeru
- Journal Title
  
  Case Reports in Hematology
  
  Volume: 2018 Pages: 1-5
- DOI
  10.1155/2018/7863943
- NAID
  120007128268
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K09898, KAKENHI-PROJECT-18K16076, KAKENHI-PROJECT-18K16107
[Journal Article] Blastic plasmacytoid dendritic cell neoplasm arising from clonal hematopoiesis2018
- Author(s)
  Suma Sakurako、Sakata-Yanagimoto Mamiko、Nguyen Tran B.、Hattori Keiichiro、Sato Taiki、Noguchi Masayuki、Nannya Yasuhito、Ogawa Seishi、Watanabe Rei、Fujimoto Manabu、Nakamura Naoya、Kusakabe Manabu、Nishikii Hidekazu、Kato Takayasu、Chiba Shigeru
- Journal Title
  
  International Journal of Hematology
  
  Volume: 108 Issue: 4 Pages: 447-451
- DOI
  10.1007/s12185-018-2461-z
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K16076, KAKENHI-PROJECT-18K16077
[Journal Article] Liquid biopsy for the identification of intravascular large B-cell lymphoma2018
- Author(s)
  Suehara Yasuhito、Sakata-Yanagimoto Mamiko、et al
- Journal Title
  
  Hematologica
  
  Volume: in press Issue: 6 Pages: e241-e244
- DOI
  10.3324/haematol.2017.178830
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K15497, KAKENHI-PROJECT-17K09898, KAKENHI-PROJECT-17K09946, KAKENHI-PROJECT-18K07436, KAKENHI-PROJECT-18K16076, KAKENHI-PROJECT-18K16107, KAKENHI-PROJECT-16H02660
[Presentation] The prognosis for OIIA-LPD was favorable regardless of response to immunosuppressant withdrawal2020
- Author(s)
  Manabu Kusakabe, Daisuke Kaji，Mamiko Sakata-Yanagimoto，Yasuhito Suehara，Keiichiro Hattori，Yasunori Ota，Mitsuhiro Yuasa，Kosei Kageyama，Yuki Taya，Shinsuke Takagi，Hisashi Yamamoto，Yuki Mori，Naoyuki Uchida，Atsushi Wake，Shuichi Taniguchi，Go Yamamoto，Shigeru Chiba
- Organizer
  第82回　日本血液学会学術集会
- Data Source
  KAKENHI-PROJECT-20K08725
[Presentation] Targeted sequencing and IgH rearrangement status revealed branching evolution pattern of SMZL and DLBCL2019
- Author(s)
  Manabu Kusakabe
- Organizer
  The 10th JSH INTERNATIONAL SYMPOSIUM 2019 in Ise-Shima
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K16076

1. Sakata-Yanagimoto Mamiko (80451805)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
2. Nishikii Hidekazu (30512834)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. 野口雅之 (00198582)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
4. 小島崇宏 (40626892)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 加藤貴康 (20646591)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 小原直 (70422178)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
7. 横山泰久 (70512820)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. Hattori Keichiro

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
9. Fujisawa Manabu

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
10. Fukumoto Kota

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
11. KURITA Naoki

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
12. NANYA Yasuhito

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
13. 千葉滋

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
14. 松井啓隆

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
15. 小川誠司

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
16. 佐藤悠佑

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
17. 坂本竜弘

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Kusakabe Manabu 日下部 学

Research Projects

Research Products

Co-Researchers

びまん性大細胞型B細胞リンパ腫の臨床検体シーケンスによる腫瘍内不均一性の解明Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Tumor-supporting mechanisms by inflammatory cells with somatic mutations

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Analyses of hematopoietic niche in hematologic malignancy

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

OIIA-LPD and genetic alterationPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Intratumor heterogeneity of lymphoma identified by multiregion sequencing of autopsy samples2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Retrospective analyses of other iatrogenic immunodeficiency‐associated lymphoproliferative disorders in patients with rheumatic diseases2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Early administration of cyclosporine may reduce the incidence of cytokine release syndrome after HLA-haploidentical hematopoietic stem-cell transplantation with post-transplant cyclophosphamide2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Molecular pathogenesis of progression to myeloid leukemia from TET-insufficient status.2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Dasatinib is an effective treatment for angioimmunoblastic T-cell lymphoma.2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Occurrence of T-cell and NK-cell subsets with less well-recognized phenotypes in peripheral blood submitted for routine flow cytometry analysis2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Single Cell Phenotypic Profiling of 27 DLBCL Cases Reveals Marked Intertumoral and Intratumoral Heterogeneity2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Durable Leukemic Remission and Autologous Marrow Recovery with Random Chromosomal Abnormalities after Allogeneic Hematopoietic Stem Cell Transplantation for Chronic Lymphocytic Leukemia2019

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] The prognosis of disseminated intravascular coagulation associated with hematologic malignancy and its response to recombinant human thrombomodulin2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Synthetic modeling reveals HOXB genes are critical for the initiation and maintenance of human leukemia2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Mutations found in cell-free DNAs of patients with malignant lymphoma at remission can derive from clonal hematopoiesis2019

Kusakabe Manabu 日下部学