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Shirosaki T, Kawai N, Ebihara Y, Murai A, Kubo T, Morita R, Murata K, Kanaseki T, Tsukahara T, Shichinohe T, Hirohashi Y, Hirano S, Torigoe T. Aldehyde Dehydrogenese-1 High Cancer Stem-like Cells/Cancer-initiating Cells Escape from Cytotoxic T Lymphocytes due to Lower Expression of Human Leukocyte Antigen Class 1. Anticancer Res 2024; 44:1877-1883. [PMID: 38677758 DOI: 10.21873/anticanres.16989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 03/11/2024] [Accepted: 03/12/2024] [Indexed: 04/29/2024]
Abstract
BACKGROUND/AIM Human gastric cancer stem-like cells (CSCs)/cancer-initiating cells can be identified as aldehyde dehydrogenase-high (ALDHhigh) cells. Cancer immunotherapy employing immune checkpoint blockade has been approved for advanced gastric cancer cases. However, the effectiveness of cancer immunotherapy against gastric CSCs/CICs remains unclear. This study aimed to investigate the susceptibility of gastric CSCs/CICs to immunotherapy. MATERIALS AND METHODS Gastric CSCs/CICs were isolated as ALDHhigh cells using the human gastric cancer cell line, MKN-45. ALDHhigh clone cells and ALDHlow clone cells were isolated using the ALDEFLUOR assay. ALDH1A1 expression was assessed via qRT-PCR. Sphere-forming ability was evaluated to confirm the presence of CSCs/CICs. A model neoantigen, AP2S1, was over-expressed in ALDHhigh clone cells and ALDHlow clone cells, and susceptibility to AP2S1-specific TCR-T cells was assessed using IFNγ ELISPOT assay. RESULTS Three ALDHhigh clone cells were isolated from MKN-45 cells. ALDHhigh clone cells exhibited a stable phenotype in in vitro culture for more than 2 months. The High-36 clone cells demonstrated the highest sphere-forming ability, whereas the Low-8 cells showed the lowest sphere-forming ability. High-36 cells exhibited lower expression of HLA-A24 compared to Low-8 cells. TCR-T cells specific for AP2S1 showed lower reactivity to High-36 cells compared to Low-8 cells. CONCLUSION High-36 cells and Low-8 cells represent novel gastric CSCs/CICs and non-CSCs/CICs, respectively. ALDHhigh CSCs/CICs evade T cells due to lower expression of HLA class 1.
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Affiliation(s)
- Tomohide Shirosaki
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
- Department of Gastroenterological Surgery II, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Noriko Kawai
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
- Department of Gastroenterological Surgery II, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Yuma Ebihara
- Department of Gastroenterological Surgery II, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Aiko Murai
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Terufumi Kubo
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Rena Morita
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Kenji Murata
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takayuki Kanaseki
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Tomohide Tsukahara
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Toshiaki Shichinohe
- Department of Gastroenterological Surgery II, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Yoshihiko Hirohashi
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Satoshi Hirano
- Department of Gastroenterological Surgery II, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
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Murai A, Kubo T, Ohkuri T, Yanagawa J, Yajima Y, Kosaka A, Li D, Nagato T, Murata K, Kanaseki T, Tsukahara T, Nagasaki T, Hirohashi Y, Kobayashi H, Torigoe T. NF9 peptide specific cytotoxic T lymphocyte clone cross react to Y453F mutation of SARS-CoV-2 virus spike protein. Immunol Med 2024:1-7. [PMID: 38236134 DOI: 10.1080/25785826.2024.2304363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 01/08/2024] [Indexed: 01/19/2024] Open
Abstract
The recognition by cytotoxic T cells (CTLs) is essential for the clearance of SARS-CoV-2 virus-infected cells. Several viral proteins have been described to be recognized by CTLs. Among them, the spike (S) protein is one of the immunogenic proteins. The S protein acts as a ligand for its receptors, and several mutants with different affinities for its cognate receptors have been reported, and certain mutations in the S protein, such as L452R and Y453F, have been found to inhibit the HLA-A24-restricted CTL response. In this study, we conducted a screening of candidate peptides derived from the S protein, specifically targeting those carrying the HLA-A24 binding motif. Among these peptides, we discovered that NF9 (NYNYLYRLF) represents an immunogenic epitope. CTL clones specific to the NF9 peptide were successfully established. These CTL clones exhibited the ability to recognize endogenously expressed NF9 peptide. Interestingly, the CTL clone demonstrated cross-reactivity with the Y453F peptide (NYNYLFRLF) but not with the L452R peptide (NYNYRYRLF). The CTL clone was able to identify the endogenously expressed Y453F mutant peptide. These findings imply that the NF9-specific CTL clone possesses the capability to recognize and respond to the Y453F mutant peptide.
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Affiliation(s)
- Aiko Murai
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Terufumi Kubo
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takayuki Ohkuri
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Junko Yanagawa
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yuki Yajima
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
- Department of Oral and Maxillofacial Surgery, Asahikawa Medical University, Asahikawa, Japan
| | - Akemi Kosaka
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Dongliang Li
- Tsukuba Laboratory, Medical & Biological Laboratories Co., Ltd, Ina, Japan
| | - Toshihiro Nagato
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Kenji Murata
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takayuki Kanaseki
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | | | - Takeshi Nagasaki
- Tsukuba Laboratory, Medical & Biological Laboratories Co., Ltd, Ina, Japan
| | - Yoshihiko Hirohashi
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Hiroya Kobayashi
- Department of Pathology, Asahikawa Medical University, Asahikawa, Japan
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
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Wada A, Hirohashi Y, Kutomi G, Murata K, Iwabuchi S, Mizue Y, Murai A, Kyuno D, Shima H, Minowa T, Sasaki K, Kubo T, Kanaseki T, Tsukahara T, Nakatsugawa M, Hashimoto S, Osanai M, Torigoe T, Takemasa I. Eribulin is an immune potentiator in breast cancer that upregulates human leukocyte antigen class I expression via the induction of NOD-like receptor family CARD domain-containing 5. Cancer Sci 2023; 114:4511-4520. [PMID: 37991442 PMCID: PMC10728009 DOI: 10.1111/cas.15986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 09/10/2023] [Accepted: 09/18/2023] [Indexed: 11/23/2023] Open
Abstract
Eribulin inhibits microtubule polymerization and improves the overall survival of patients with recurrent metastatic breast cancer. A subgroup analysis revealed a low neutrophil to lymphocyte ratio (NLR) (<3) to be a prognostic factor of eribulin treatment. We thus hypothesized that eribulin might be related to the immune response for breast cancer cells and we analyzed the effects of eribulin on the immune system. Immunohistochemical staining revealed that human leukocyte antigen (HLA) class I expression was increased in clinical samples after eribulin treatment. In vitro assays revealed that eribulin treatment increased HLA class I expression in breast cancer line cells. RNA-sequencing demonstrated that eribulin treatment increased the expression of the NOD-like family CARD domain-containing 5 (NLRC5), a master regulator of HLA class I expression. Eribulin treatment increased the NY-ESO-1-specific T-cell receptor (TCR) transduced T (TCR-T) cell response for New York oesophageal squamous cell carcinoma 1 (NY-ESO-1) overexpressed breast cancer cells. The eribulin and TCR-T combined therapy model revealed that eribulin and immunotherapy using TCR-T cells has a synergistic effect. In summary, eribulin increases the expression of HLA class 1 via HLA class 1 transactivatior NLRC5 and eribulin combination with immunotherapy can be effective for the treatment of breast cancer.
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Affiliation(s)
- Asaka Wada
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
- Department of SurgerySapporo Medical University School of MedicineSapporoJapan
| | - Yoshihiko Hirohashi
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Goro Kutomi
- Department of SurgerySapporo Medical University School of MedicineSapporoJapan
| | - Kenji Murata
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Sadahiro Iwabuchi
- Department of Molecular PathophysiologyInstitute of Advanced Medicine, Wakayama Medical UniversityWakayamaJapan
| | - Yuka Mizue
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Aiko Murai
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Daisuke Kyuno
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
- Department of SurgerySapporo Medical University School of MedicineSapporoJapan
| | - Hiroaki Shima
- Department of SurgerySapporo Medical University School of MedicineSapporoJapan
| | - Tomoyuki Minowa
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Kenta Sasaki
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Terufumi Kubo
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Takayuki Kanaseki
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Tomohide Tsukahara
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Munehide Nakatsugawa
- Department of PathologyTokyo Medical University Hachioji Medical CenterTokyoJapan
| | - Shinichi Hashimoto
- Department of Molecular PathophysiologyInstitute of Advanced Medicine, Wakayama Medical UniversityWakayamaJapan
| | - Makoto Osanai
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Toshihiko Torigoe
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Ichiro Takemasa
- Department of SurgerySapporo Medical University School of MedicineSapporoJapan
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4
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Miyamoto S, Hirohashi Y, Morita R, Miyazaki A, Ogi K, Kanaseki T, Ide K, Shirakawa J, Tsukahara T, Murai A, Sasaya T, Koike K, Kina S, Kawano T, Goto T, Ntege EH, Shimizu Y, Torigoe T. Exploring olfactory receptor family 7 subfamily C member 1 as a novel oral cancer stem cell target for immunotherapy. Cancer Sci 2023; 114:3496-3508. [PMID: 37344992 PMCID: PMC10475777 DOI: 10.1111/cas.15873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 05/10/2023] [Accepted: 05/14/2023] [Indexed: 06/23/2023] Open
Abstract
The mortality rate of oral cancer has not improved over the past three decades despite remarkable advances in cancer therapies. Oral cancers contain a subpopulation of cancer stem cells (CSCs) that share characteristics associated with normal stem cells, including self-renewal and multi-differentiation potential. CSCs are tumorigenic, play a critical role in cancer infiltration, recurrence, and distant metastasis, and significantly contribute to drug resistance to current therapeutic strategies, including immunotherapy. Cytotoxic CD8+ T lymphocytes (CTLs) are key immune cells that effectively recognize peptide antigens presented by the major histocompatibility complex class I molecules. Increasing evidence suggests that cancer antigen-specific targeting by CTLs effectively regulates CSCs that drive cancer progression. In this study, we utilized data from public domains and performed various bioassays on human oral squamous cell carcinoma clinical samples and cell lines, including HSC-2 and HSC-3, to investigate the potential role of olfactory receptor family 7 subfamily C member 1 (OR7C1), a seven transmembrane G-protein-coupled olfactory receptor that is also expressed in nonolfactory tissues and was previously reported as a novel marker and target of colon cancer initiating cell-targeted immunotherapy, in CSC-targeted treatment against oral cancer. We found that the OR7C1 gene was expressed only in oral CSCs, and that CTLs reacted with human leukocyte antigen-A24-restricted OR7C1 oral CSC-specific peptides. Taken together, our findings suggest that OR7C1 represents a novel target for potent CSC-targeted immunotherapy in oral cancer.
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Affiliation(s)
- Sho Miyamoto
- Department of Oral SurgerySapporo Medical University School of MedicineSapporoJapan
| | - Yoshihiko Hirohashi
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Rena Morita
- Division of Fundamental Health Sciences, School of Nursing and Social ServicesHealth Sciences University of HokkaidoTobetsu‐ChoJapan
| | - Akihiro Miyazaki
- Department of Oral SurgerySapporo Medical University School of MedicineSapporoJapan
| | - Kazuhiro Ogi
- Department of Oral SurgerySapporo Medical University School of MedicineSapporoJapan
| | - Takayuki Kanaseki
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Kentaro Ide
- Department of Oral and Maxillofacial Functional Rehabilitation, Graduate School of MedicineUniversity of the RyukyusNishiharaJapan
| | - Jumpei Shirakawa
- Department of Oral and Maxillofacial Functional Rehabilitation, Graduate School of MedicineUniversity of the RyukyusNishiharaJapan
| | - Tomohide Tsukahara
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Aiko Murai
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Takashi Sasaya
- Department of Oral SurgerySapporo Medical University School of MedicineSapporoJapan
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Kazushige Koike
- Department of Oral SurgerySapporo Medical University School of MedicineSapporoJapan
| | - Shinichiro Kina
- Center for Medical EducationGunma University Graduate School of MedicineMaebashiJapan
| | - Toshihiro Kawano
- Department of Oral and Maxillofacial Functional Rehabilitation, Graduate School of MedicineUniversity of the RyukyusNishiharaJapan
| | - Takahiro Goto
- Department of Oral and Maxillofacial Functional Rehabilitation, Graduate School of MedicineUniversity of the RyukyusNishiharaJapan
| | - Edward Hosea Ntege
- Department of Oral and Maxillofacial Functional Rehabilitation, Graduate School of MedicineUniversity of the RyukyusNishiharaJapan
- Department of Plastic and Reconstructive Surgery, Graduate School of MedicineUniversity of the RyukyusNishiharaJapan
| | - Yusuke Shimizu
- Department of Plastic and Reconstructive Surgery, Graduate School of MedicineUniversity of the RyukyusNishiharaJapan
| | - Toshihiko Torigoe
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
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5
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Minowa T, Hirohashi Y, Murata K, Sasaki K, Handa T, Nakatsugawa M, Mizue Y, Murai A, Kubo T, Kanaseki T, Tsukahara T, Iwabuchi S, Hashimoto S, Ishida-Yamamoto A, Uhara H, Torigoe T. Fusion with type 2 macrophages induces melanoma cell heterogeneity that potentiates immunological escape from cytotoxic T lymphocytes. J Pathol 2023. [PMID: 37138382 DOI: 10.1002/path.6083] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 03/05/2023] [Accepted: 03/27/2023] [Indexed: 05/05/2023]
Abstract
Evasion from immunity is a major obstacle to the achievement of successful cancer immunotherapy. Hybrids derived from cell-cell fusion are theoretically associated with tumor heterogeneity and progression by conferring novel properties on tumor cells, including drug resistance and metastatic capacity; however, their impact on immune evasion remains unknown. Here, we investigated the potency of tumor-macrophage hybrids in immune evasion. Hybrids were established by co-culture of a melanoma cell line (A375 cells) and type 2 macrophages. The hybrids showed greater migration ability and greater tumorigenicity than the parental melanoma cells. The hybrids showed heterogeneous sensitivity to New York esophageal squamous cell carcinoma-1 (NY-ESO-1)-specific T-cell receptor-transduced T (TCR-T) cells and two out of four hybrid clones showed less sensitivity to TCR-T compared with the parental cells. An in vitro tumor heterogeneity model revealed that the TCR-T cells preferentially killed the parental cells compared with the hybrids and the survival rate of the hybrids was higher than that of the parental cells, indicating that the hybrids evade killing by TCR-T cells efficiently. Analysis of a single-cell RNA sequencing dataset of patients with melanoma revealed that a few macrophages expressed RNA encoding melanoma differentiation antigens including melan A, tyrosinase, and premelanosome protein, which indicated the presence of hybrids in primary melanoma. In addition, the number of potential hybrids was correlated with a poorer response to immune checkpoint blockade. These results provide evidence that melanoma-macrophage fusion has a role in tumor heterogeneity and immune evasion. © 2023 The Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Tomoyuki Minowa
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
- Department of Dermatology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yoshihiko Hirohashi
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Kenji Murata
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Kenta Sasaki
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
- Department of Dermatology, Asahikawa Medical University, Asahikawa, Hokkaido, Japan
| | - Toshiya Handa
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
- Department of Dermatology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Munehide Nakatsugawa
- Department of Pathology, Tokyo Medical University Hachioji Medical Center, Tokyo, Japan
| | - Yuka Mizue
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Aiko Murai
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Terufumi Kubo
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takayuki Kanaseki
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Tomohide Tsukahara
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Sadahiro Iwabuchi
- Department of Molecular Pathophysiology, Institute of Advanced Medicine, Wakayama Medical University, Wakayama, Japan
| | - Shinichi Hashimoto
- Department of Molecular Pathophysiology, Institute of Advanced Medicine, Wakayama Medical University, Wakayama, Japan
| | | | - Hisashi Uhara
- Department of Dermatology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
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6
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Sasaki K, Hirohashi Y, Murata K, Minowa T, Nakatsugawa M, Murai A, Mizue Y, Kubo T, Kanaseki T, Tsukahara T, Iwabuchi S, Hashimoto S, Uhara H, Ishida-Yamamoto A, Torigoe T. SOX10 Inhibits T Cell Recognition by Inducing Expression of the Immune Checkpoint Molecule PD-L1 in A375 Melanoma Cells. Anticancer Res 2023; 43:1477-1484. [PMID: 36974807 DOI: 10.21873/anticanres.16296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/05/2023] [Accepted: 01/23/2023] [Indexed: 03/29/2023]
Abstract
BACKGROUND/AIM Malignant melanoma is a fatal skin cancer and is among the most immunogenic malignancies expressing melanoma-differentiation antigens and neoantigens. SRY-related HMG-box 10 (SOX10) is a transcription factor and a neural-crest differentiation marker that is used as a diagnostic marker for melanoma whilst playing a role in melanoma initiation through activation of the SOX10-MITF axis. SOX10 was shown to play a role in melanoma initiation by inducing expression of immune checkpoint molecules (e.g., HVEM and CEACAM1). In this study, we aimed to investigate the relationship between SOX10 and the expression an immune checkpoint molecule, programmed death-1 ligand 1 (PD-L1). MATERIALS AND METHODS SOX10 overexpression and knockdown was performed using SOX10 gene transfection and SOX10 siRNA transfection into A375 melanoma cells. PD-L1 expression was assessed by flow cytometry and western blotting. T cell response was evaluated using NY-ESO-1 specific TCR-transduced T (TCR-T) cells by IFNγ ELISPOT assay. RESULTS SOX10 overexpression increased the expression of PD-L1, whereas SOX10 knockdown, using siRNA, decreased its expression. IFNγ ELISPOT assay revealed that overexpression of SOX10 decreased the susceptibility of cells to NY-ESO-1-specific TCR-T cells. CONCLUSION SOX10 has a role in the intrinsic immune suppressive mechanisms of melanoma through expression of PD-L1.
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Affiliation(s)
- Kenta Sasaki
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
- Department of Dermatology, Asahikawa Medical University School of Medicine, Hokkaido, Japan
| | - Yoshihiko Hirohashi
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan;
| | - Kenji Murata
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Tomoyuki Minowa
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
- Department of Dermatology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Munehide Nakatsugawa
- Department of Pathology, Tokyo Medical University Hachioji Medical Center, Tokyo, Japan
| | - Aiko Murai
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yuka Mizue
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Terufumi Kubo
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takayuki Kanaseki
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Tomohide Tsukahara
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Sadahiro Iwabuchi
- Department of Molecular Pathophysiology, Institute of Advanced Medicine, Wakayama Medical University, Wakayama, Japan
| | - Shinichi Hashimoto
- Department of Molecular Pathophysiology, Institute of Advanced Medicine, Wakayama Medical University, Wakayama, Japan
| | - Hisashi Uhara
- Department of Dermatology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Akemi Ishida-Yamamoto
- Department of Dermatology, Asahikawa Medical University School of Medicine, Hokkaido, Japan
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan;
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7
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Yamada S, Miyata H, Isono M, Hori K, Yanagawa J, Murai A, Minowa T, Mizue Y, Sasaki K, Murata K, Tokita S, Nakatsugawa M, Iwabuchi S, Hashimoto S, Kubo T, Kanaseki T, Tsukahara T, Abe T, Shinohara N, Hirohashi Y, Torigoe T. Cisplatin resistance driver claspin is a target for immunotherapy in urothelial carcinoma. Cancer Immunol Immunother 2023:10.1007/s00262-023-03388-5. [PMID: 36795123 DOI: 10.1007/s00262-023-03388-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 01/25/2023] [Indexed: 02/17/2023]
Abstract
Bladder cancer is a major and fatal urological disease. Cisplatin is a key drug for the treatment of bladder cancer, especially in muscle-invasive cases. In most cases of bladder cancer, cisplatin is effective; however, resistance to cisplatin has a significant negative impact on prognosis. Thus, a treatment strategy for cisplatin-resistant bladder cancer is essential to improve the prognosis. In this study, we established a cisplatin-resistant (CR) bladder cancer cell line using an urothelial carcinoma cell lines (UM-UC-3 and J82). We screened for potential targets in CR cells and found that claspin (CLSPN) was overexpressed. CLSPN mRNA knockdown revealed that CLSPN had a role in cisplatin resistance in CR cells. In our previous study, we identified human leukocyte antigen (HLA)-A*02:01-restricted CLSPN peptide by HLA ligandome analysis. Thus, we generated a CLSPN peptide-specific cytotoxic T lymphocyte clone that recognized CR cells at a higher level than wild-type UM-UC-3 cells. These findings indicate that CLSPN is a driver of cisplatin resistance and CLSPN peptide-specific immunotherapy may be effective for cisplatin-resistant cases.
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Affiliation(s)
- Shuhei Yamada
- Departments of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, Hokkaido, 060-8556, Japan.,Department of Renal and Genitourinary Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, 060-8648, Japan
| | - Haruka Miyata
- Department of Renal and Genitourinary Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, 060-8648, Japan
| | - Makoto Isono
- Department of Urology, Abiko Toho Hospital, Abiko, 270-1166, Japan
| | - Kanta Hori
- Departments of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, Hokkaido, 060-8556, Japan.,Department of Renal and Genitourinary Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, 060-8648, Japan
| | - Junko Yanagawa
- Departments of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, Hokkaido, 060-8556, Japan
| | - Aiko Murai
- Departments of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, Hokkaido, 060-8556, Japan
| | - Tomoyuki Minowa
- Departments of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, Hokkaido, 060-8556, Japan.,Departments of Dermatology, Sapporo Medical University School of Medicine, Sapporo, Hokkaido, 060-8556, Japan
| | - Yuka Mizue
- Departments of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, Hokkaido, 060-8556, Japan
| | - Kenta Sasaki
- Departments of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, Hokkaido, 060-8556, Japan.,Department of Dermatology, Asahikawa Medical University School of Medicine, Asahikawa, Hokkaido, 078-8510, Japan
| | - Kenji Murata
- Departments of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, Hokkaido, 060-8556, Japan
| | - Serina Tokita
- Departments of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, Hokkaido, 060-8556, Japan
| | - Munehide Nakatsugawa
- Department of Pathology, Tokyo Medical University Hachioji Medical Center, Hachioji, Tokyo, 193-0998, Japan
| | - Sadahiro Iwabuchi
- Department of Molecular Pathophysiology, Institute of Advanced Medicine, Wakayama Medical University, Wakayama, Wakayama, 641-8509, Japan
| | - Shinichi Hashimoto
- Department of Molecular Pathophysiology, Institute of Advanced Medicine, Wakayama Medical University, Wakayama, Wakayama, 641-8509, Japan
| | - Terufumi Kubo
- Departments of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, Hokkaido, 060-8556, Japan
| | - Takayuki Kanaseki
- Departments of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, Hokkaido, 060-8556, Japan
| | - Tomohide Tsukahara
- Departments of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, Hokkaido, 060-8556, Japan
| | - Takashige Abe
- Department of Renal and Genitourinary Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, 060-8648, Japan
| | - Nobuo Shinohara
- Department of Renal and Genitourinary Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, 060-8648, Japan
| | - Yoshihiko Hirohashi
- Departments of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, Hokkaido, 060-8556, Japan.
| | - Toshihiko Torigoe
- Departments of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, Hokkaido, 060-8556, Japan.
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8
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Matsuki M, Hirohashi Y, Nakatsugawa M, Murai A, Kubo T, Hashimoto S, Tokita S, Murata K, Kanaseki T, Tsukahara T, Nishida S, Tanaka T, Kitamura H, Masumori N, Torigoe T. Tumor-infiltrating CD8 + T cells recognize a heterogeneously expressed functional neoantigen in clear cell renal cell carcinoma. Cancer Immunol Immunother 2021; 71:905-918. [PMID: 34491407 DOI: 10.1007/s00262-021-03048-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 08/26/2021] [Indexed: 11/24/2022]
Abstract
Immune checkpoint inhibitors (ICIs) are used in cancer immunotherapy to block programmed death-1 and cytotoxic T-lymphocyte antigen 4, but the response rate for ICIs is still low and tumor cell heterogeneity is considered to be responsible for resistance to immunotherapy. Tumor-infiltrating lymphocytes (TILs) have an essential role in the anti-tumor effect of cancer immunotherapy; however, the specificity of TILs in renal cell carcinoma (RCC) is elusive. In this study, we analyzed a 58-year-old case with clear cell RCC (ccRCC) with the tumor showing macroscopic and microscopic heterogeneity. The tumor was composed of low-grade and high-grade ccRCC. A tumor cell line (1226 RCC cells) and TILs were isolated from the high-grade ccRCC lesion, and a TIL clone recognized a novel neoantigen peptide (YVVPGSPCL) encoded by a missense mutation of the tensin 1 (TNS1) gene in a human leukocyte antigen-C*03:03-restricted fashion. The TNS1 gene mutation was not detected in the low-grade ccRCC lesion and the TIL clone did not recognized low-grade ccRCC cells. The missense mutation of TNS1 encoding the S1309Y mutation was found to be related to cell migration by gene over-expression. These findings suggest that macroscopically and microscopically heterogenous tumors might show heterogenous gene mutations and reactivity to TILs.
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Affiliation(s)
- Masahiro Matsuki
- Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, 060-8556, Japan.,Department of Urology, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan
| | - Yoshihiko Hirohashi
- Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, 060-8556, Japan.
| | - Munehide Nakatsugawa
- Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, 060-8556, Japan.,Department of Diagnostic Pathology, Tokyo Medical University Hachioji Medical Center, Hachioji, Tokyo, 193-0998, Japan
| | - Aiko Murai
- Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, 060-8556, Japan
| | - Terufumi Kubo
- Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, 060-8556, Japan
| | - Shinichi Hashimoto
- Department of Molecular Pathophysiology, Institute of Advanced Medicine, Wakayama Medical University, Wakayama, 641-8509, Japan
| | - Serina Tokita
- Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, 060-8556, Japan
| | - Kenji Murata
- Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, 060-8556, Japan
| | - Takayuki Kanaseki
- Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, 060-8556, Japan
| | - Tomohide Tsukahara
- Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, 060-8556, Japan
| | - Sachiyo Nishida
- Department of Urology, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan
| | - Toshiaki Tanaka
- Department of Urology, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan
| | - Hiroshi Kitamura
- Department of Urology, Faculty of Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Naoya Masumori
- Department of Urology, Sapporo Medical University School of Medicine, Sapporo, 060-8556, Japan
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University School of Medicine, South-1 West-17, Chuo-Ku, Sapporo, 060-8556, Japan.
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9
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Murai A, Hamano T, Kakiuchi M, Kobayashi M, Horio F. Evaluation of a receptor gene responsible for maternal blood IgY transfer into egg yolks using bursectomized IgY-depleted chickens. Poult Sci 2020; 99:1914-1920. [PMID: 32241471 PMCID: PMC7587843 DOI: 10.1016/j.psj.2019.11.045] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 11/19/2019] [Accepted: 11/22/2019] [Indexed: 01/29/2023] Open
Abstract
In avian species, maternal immunoglobulin Y (IgY) is transferred from the blood to the yolks of maturing oocytes; however, the mechanism underlying this transfer is unknown. To gain insight into the mechanisms of maternal IgY transfer into egg yolks, IgY-depleted chickens were generated by removing the bursa of Fabricius (bursectomy) during egg incubation, and their egg production and IgY transport ability into egg yolks were determined. After hatching, blood IgY concentrations of the bursectomized chickens decreased gradually until sexual maturity, whereas those of IgA remained low from an early stage of growth (from at least 2 wk of age). Chickens identified as depleted in IgY through screening of blood IgY and IgA concentrations were raised to sexual maturity. At 20 wk of age, both blood and egg yolk IgY concentrations in the IgY-depleted group were 600-fold lower than those of the control group, whereas egg production did not differ between the groups. Intravenously injected, digoxigenin-labeled IgY uptake into the egg yolk was approximately 2-fold higher in the IgY-depleted chickens than in the controls, suggesting that IgY depletion may enhance IgY uptake in maturing oocytes. DNA microarray analysis of the germinal disc, including the oocyte nucleus, revealed that the expression levels of 73 genes were upregulated more than 1.5-fold in the IgY-depleted group, although we could not identify a convincing candidate gene for the IgY receptor. In conclusion, we successfully raised IgY-depleted chickens presenting a marked reduction in egg yolk IgY. The enhanced uptake of injected IgY into the egg yolks of the IgY-depleted chickens supports the existence of a selective IgY transport mechanism in maturing oocytes and ovarian follicles in avian species.
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Affiliation(s)
- A Murai
- Laboratory of Animal Nutrition, Department of Animal Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan.
| | - T Hamano
- Laboratory of Animal Nutrition, Department of Animal Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - M Kakiuchi
- Laboratory of Animal Nutrition, Department of Animal Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - M Kobayashi
- Laboratory of Animal Nutrition, Department of Animal Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - F Horio
- Laboratory of Animal Nutrition, Department of Animal Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
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10
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Tsukahara T, Watanabe K, Murata K, Takahashi A, Mizushima E, Shibayama Y, Kameshima H, Hatae R, Ohno Y, Kawahara R, Murai A, Nakatsugawa M, Kubo T, Kanaseki T, Hirohashi Y, Terui T, Asanuma H, Hasegawa T, Sato N, Torigoe T. Peptide vaccinations elicited strong immune responses that were reboosted by anti-PD1 therapy in a patient with myxofibrosarcoma. Cancer Immunol Immunother 2019; 69:189-197. [PMID: 31853575 DOI: 10.1007/s00262-019-02455-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Accepted: 12/13/2019] [Indexed: 01/17/2023]
Abstract
Peptide-based immunotherapy does not usually elicit strong immunological and clinical responses in patients with end-stage cancer, including sarcoma. Here we report a myxofibrosarcoma patient who showed a strong clinical response to peptide vaccinations and whose immune responses were reboosted by anti-PD1 therapy combined with peptide vaccinations. The 46-year-old man showed a strong response to the peptide vaccinations (papillomavirus binding factor peptide, survivin-2B peptide, incomplete Freund's adjuvant, and polyethylene glycol-conjugated interferon-alpha 2a) and subsequent wide necrosis and massive infiltration of CD8+ T cells in a recurrent tumor. The patient's immune responses weakened after surgical resection; however, they were reboosted following the administration of nivolumab combined with peptide vaccinations. Thus, anti-PD1 therapy combined with peptide vaccinations might be beneficial, as suggested by the observations in this sarcoma patient.
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Affiliation(s)
- Tomohide Tsukahara
- Department of Pathology, Sapporo Medical University School of Medicine, South-1, West-17, Chuo-ku, Sapporo, 060-8556, Japan.
| | - Kazue Watanabe
- Department of Pathology, Sapporo Medical University School of Medicine, South-1, West-17, Chuo-ku, Sapporo, 060-8556, Japan.,Department of Cancer Immunology, Medical and Biological, Laboratories Co., Ltd, 1063-103 Terasawaoka, Ina, 396-0002, Japan
| | - Kenji Murata
- Department of Pathology, Sapporo Medical University School of Medicine, South-1, West-17, Chuo-ku, Sapporo, 060-8556, Japan.,Department of Orthopaedic Surgery, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-ku, Sapporo, 060-8543, Japan
| | - Akari Takahashi
- Department of Pathology, Sapporo Medical University School of Medicine, South-1, West-17, Chuo-ku, Sapporo, 060-8556, Japan
| | - Emi Mizushima
- Department of Pathology, Sapporo Medical University School of Medicine, South-1, West-17, Chuo-ku, Sapporo, 060-8556, Japan.,Department of Orthopaedic Surgery, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-ku, Sapporo, 060-8543, Japan
| | - Yuji Shibayama
- Department of Pathology, Sapporo Medical University School of Medicine, South-1, West-17, Chuo-ku, Sapporo, 060-8556, Japan.,Department of Orthopaedic Surgery, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-ku, Sapporo, 060-8543, Japan
| | - Hidekazu Kameshima
- Surgery Branch, Higashi-Sapporo Hospital, 7-35, 3-3 Higashi-Sapporo, Shiroishi-ku, Sapporo, 003-8585, Japan.,Odori Breast Thyroid Gland Clinic, 11, South-1, West-6, Chuo-ku, Sapporo, 060-0061, Japan
| | - Ryo Hatae
- Department of Surgery, Shin-Yamanote Hospital, 3-6-1 Suwa-cho, Higashimurayama, 189-0021, Japan.,Department of Surgery, Fuchinobe General Hospital, 3-2-8, Fuchinobe, Sagamihara, 252-0206, Japan
| | - Yasuo Ohno
- Department of Surgery, Shin-Yamanote Hospital, 3-6-1 Suwa-cho, Higashimurayama, 189-0021, Japan
| | - Rituko Kawahara
- Department of Pathology, Shin-Yamanote Hospital, 3-6-1 Suwa-cho, Higashimurayama, 189-0021, Japan
| | - Aiko Murai
- Department of Pathology, Sapporo Medical University School of Medicine, South-1, West-17, Chuo-ku, Sapporo, 060-8556, Japan
| | - Munehide Nakatsugawa
- Department of Pathology, Sapporo Medical University School of Medicine, South-1, West-17, Chuo-ku, Sapporo, 060-8556, Japan.,Department of Diagnostic Pathology, Tokyo Medical University Hachioji Medical Center, 1163 Tate-machi, Hachioji, 193-0998, Japan
| | - Terufumi Kubo
- Department of Pathology, Sapporo Medical University School of Medicine, South-1, West-17, Chuo-ku, Sapporo, 060-8556, Japan
| | - Takayuki Kanaseki
- Department of Pathology, Sapporo Medical University School of Medicine, South-1, West-17, Chuo-ku, Sapporo, 060-8556, Japan
| | - Yoshihiko Hirohashi
- Department of Pathology, Sapporo Medical University School of Medicine, South-1, West-17, Chuo-ku, Sapporo, 060-8556, Japan
| | - Takeshi Terui
- Oncology Branch, Higashi-Sapporo Hospital, 7-35, 3-3 Higashi-Sapporo, Shiroishi-ku, Sapporo, 003-8585, Japan
| | - Hiroko Asanuma
- Department of Surgical Pathology, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-ku, Sapporo, 060-8543, Japan
| | - Tadashi Hasegawa
- Department of Surgical Pathology, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-ku, Sapporo, 060-8543, Japan
| | - Noriyuki Sato
- Department of Pathology, Sapporo Medical University School of Medicine, South-1, West-17, Chuo-ku, Sapporo, 060-8556, Japan
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University School of Medicine, South-1, West-17, Chuo-ku, Sapporo, 060-8556, Japan
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11
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Shima H, Tsurita G, Wada S, Hirohashi Y, Yasui H, Hayashi H, Miyakoshi T, Watanabe K, Murai A, Asanuma H, Tokita S, Kubo T, Nakatsugawa M, Kanaseki T, Tsukahara T, Nakae Y, Sugita O, Ito YM, Ota Y, Kimura Y, Kutomi G, Hirata K, Mizuguchi T, Imai K, Takemasa I, Sato N, Torigoe T. Randomized phase II trial of survivin 2B peptide vaccination for patients with HLA-A24-positive pancreatic adenocarcinoma. Cancer Sci 2019; 110:2378-2385. [PMID: 31218770 PMCID: PMC6676125 DOI: 10.1111/cas.14106] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 06/15/2019] [Accepted: 06/17/2019] [Indexed: 12/22/2022] Open
Abstract
The prognosis of advanced pancreatic adenocarcinoma is still extremely poor. This study sought to determine the efficacy of, and immunological response to, peptide vaccination therapy in patients with this disease. In this multicenter randomized phase II study, patients with advanced pancreatic adenocarcinoma after gemcitabine and/or tegafur/gimeracil/oteracil were randomly assigned to 3 groups that each received a 2-step treatment course. In Step 1, the groups received treatments of: (i) survivin 2B peptide (SVN-2B) plus interferon-β (IFNβ); (ii) SVN-2B only; or (iii) placebo until the patients show progression. In Step 2, all patients who consented to participate received 4 treatments with SVN-2B plus IFNβ. The primary endpoint was progression-free survival (PFS) after initiation of Step 1 treatment. Secondary endpoints included immunological effects assessed by analysis of PBMCs after Step 1. Eighty-three patients were randomly assigned to receive SVN-2B plus IFNβ (n = 30), SVN-2B (n = 34), or placebo (n = 19). No significant improvement in PFS was observed. Survivin 2B-specific CTLs were found to be increased in the SVN-2B plus IFNβ group by tetramer assay. Among patients who participated in Step 2, those who had received SVN-2B plus IFNβ in Step 1 showed better overall survival compared with those who had received placebo in Step 1. Patients vaccinated with SVN-2B plus IFNβ did not have improved PFS, but showed significant immunological reaction after vaccination. Subgroup analysis suggested that a longer SVN-2B plus IFNβ vaccination protocol might confer survival benefit. (Clinical trial registration number: UMIN 000012146).
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Affiliation(s)
- Hiroaki Shima
- Department of Surgery, Surgical Oncology and ScienceSapporo Medical University School of MedicineSapporoJapan
| | - Giichiro Tsurita
- Department of SurgeryResearch Hospital, The Institute of Medical ScienceThe University of TokyoTokyoJapan
| | - Satoshi Wada
- Department of Clinical Diagnostic OncologyShowa UniversityTokyoJapan
- Cancer Vaccine CenterKanagawa Cancer CenterKanagawaJapan
| | - Yoshihiko Hirohashi
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Hiroshi Yasui
- The Institute of Medical ScienceThe University of TokyoTokyoJapan
| | - Hiroshi Hayashi
- Hokkaido University Hospital Clinical Research and Medical Innovation CenterSapporoJapan
| | - Takashi Miyakoshi
- Hokkaido University Hospital Clinical Research and Medical Innovation CenterSapporoJapan
| | - Kazue Watanabe
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Aiko Murai
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Hiroko Asanuma
- Department of Surgical PathologySapporo Medical University School of MedicineSapporoJapan
| | - Serina Tokita
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Terufumi Kubo
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Munehide Nakatsugawa
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Takayuki Kanaseki
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Tomohide Tsukahara
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Yutaka Nakae
- Collaboration Center for Community and IndustrySapporo Medical University School of MedicineSapporoJapan
| | - Osamu Sugita
- Hokkaido University Hospital Clinical Research and Medical Innovation CenterSapporoJapan
| | - Yoichi M. Ito
- Department of BiostatisticsHokkaido University Graduate School of MedicineSapporoJapan
| | - Yasunori Ota
- Department of PathologyResearch Hospital, The Institute of Medical ScienceThe University of TokyoTokyoJapan
| | - Yasutoshi Kimura
- Department of Surgery, Surgical Oncology and ScienceSapporo Medical University School of MedicineSapporoJapan
| | - Goro Kutomi
- Department of Surgery, Surgical Oncology and ScienceSapporo Medical University School of MedicineSapporoJapan
| | - Koichi Hirata
- Department of Surgery, Surgical Oncology and ScienceSapporo Medical University School of MedicineSapporoJapan
| | - Toru Mizuguchi
- Department of Surgery, Surgical Oncology and ScienceSapporo Medical University School of MedicineSapporoJapan
| | - Kohzoh Imai
- The Institute of Medical ScienceThe University of TokyoTokyoJapan
| | - Ichiro Takemasa
- Department of Surgery, Surgical Oncology and ScienceSapporo Medical University School of MedicineSapporoJapan
| | - Noriyuki Sato
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Toshihiko Torigoe
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
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12
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Kubo T, Tsurita G, Hirohashi Y, Yasui H, Ota Y, Watanabe K, Murai A, Matsuo K, Asanuma H, Shima H, Wada S, Nakatsugawa M, Kanaseki T, Tsukahara T, Mizuguchi T, Hirata K, Takemasa I, Imai K, Sato N, Torigoe T. Immunohistological analysis of pancreatic carcinoma after vaccination with survivin 2B peptide: Analysis of an autopsy series. Cancer Sci 2019; 110:2386-2395. [PMID: 31206934 PMCID: PMC6676134 DOI: 10.1111/cas.14099] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 06/12/2019] [Accepted: 06/13/2019] [Indexed: 02/06/2023] Open
Abstract
Immune checkpoint inhibitors (ICIs) have revolutionized the treatment of cancer by providing new options in addition to existing therapies. However, peptide vaccination therapies still represent an attractive approach, because of the antigen specificity. We identified survivin 2B peptide (SVN-2B), a 9-mer antigenic peptide encoded by survivin, and an SVN-2B peptide vaccine-based phase II randomized clinical trial targeting unresectable and refractory pancreatic carcinoma was undertaken. The SVN-2B peptide vaccine did not have any statistically significant clinical benefits in that study. Therefore, we undertook an autopsy study to analyze the immune status of the pancreatic cancer lesions at the histological level. Autopsies were carried out in 13 patients who had died of pancreatic cancer, including 7 who had received SVN-2B peptide vaccination and 6 who had not, as negative controls. The expression of immune-related molecules was analyzed by immunohistochemical staining. Cytotoxic T lymphocytes were analyzed by tetramer staining and enzyme-linked immunospot assay. Histological analysis revealed dense infiltration of CD8+ T cells in some lesions in patients who had received the SVN-2B peptide vaccine. A high rate of programmed cell death ligand 1 expression in cancer cells was observed in these cases, indicating that CTLs were induced by SVN-2B peptide vaccination and had infiltrated the lesions. The lack of a significant antitumor effect was most likely attributable to the expression of immune checkpoint molecules. These findings suggest that the combination of a tumor-specific peptide vaccine and an ICI might be a promising approach to the treatment of pancreatic carcinoma in the future.
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Affiliation(s)
- Terufumi Kubo
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Giichiro Tsurita
- Department of SurgeryResearch HospitalThe Institute of Medical ScienceThe University of TokyoTokyoJapan
| | - Yoshihiko Hirohashi
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Hiroshi Yasui
- Division of Fundamental Study on Cutting Edge of Genome MedicineDepartment of Hematology/OncologyResearch HospitalInstitute of Medical ScienceThe University of TokyoTokyoJapan
| | - Yasunori Ota
- Department of PathologyResearch HospitalInstitute of Medical ScienceThe University of TokyoTokyoJapan
| | - Kazue Watanabe
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Aiko Murai
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | | | - Hiroko Asanuma
- Department of Surgical PathologySchool of MedicineSapporo Medical UniversitySapporoJapan
| | - Hiroaki Shima
- Department of SurgerySurgical Oncology and ScienceSapporo Medical University School of MedicineSapporoJapan
| | - Satoshi Wada
- Department of Clinical Diagnostic OncologyShowa UniversityTokyoJapan
- Cancer Vaccine CenterKanagawa Cancer CenterKanagawaJapan
| | - Munehide Nakatsugawa
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Takayuki Kanaseki
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Tomohide Tsukahara
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Toru Mizuguchi
- Department of SurgerySurgical Oncology and ScienceSapporo Medical University School of MedicineSapporoJapan
| | - Koichi Hirata
- Department of SurgerySurgical Oncology and ScienceSapporo Medical University School of MedicineSapporoJapan
| | - Ichiro Takemasa
- Department of SurgerySurgical Oncology and ScienceSapporo Medical University School of MedicineSapporoJapan
| | - Kohzoh Imai
- Research HospitalInstitute of Medical ScienceThe University of TokyoTokyoJapan
| | - Noriyuki Sato
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
| | - Toshihiko Torigoe
- Department of PathologySapporo Medical University School of MedicineSapporoJapan
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13
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Kawai N, Hirohashi Y, Ebihara Y, Saito T, Murai A, Saito T, Shirosaki T, Kubo T, Nakatsugawa M, Kanaseki T, Tsukahara T, Shichinohe T, Li L, Hirano S, Torigoe T. ABCG2 expression is related to low 5-ALA photodynamic diagnosis (PDD) efficacy and cancer stem cell phenotype, and suppression of ABCG2 improves the efficacy of PDD. PLoS One 2019; 14:e0216503. [PMID: 31083682 PMCID: PMC6513434 DOI: 10.1371/journal.pone.0216503] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Accepted: 04/22/2019] [Indexed: 12/17/2022] Open
Abstract
Photodynamic diagnosis/therapy (PDD/PDT) are novel modalities for the diagnosis and treatment of cancer. The photosensitizer protoporphyrin IX is metabolized from 5-aminolevulinic acid (5-ALA) intracellularly, and PDD/PDT using 5-ALA have been approved in dermatologic malignancies and gliomas. However, the molecular mechanism that defines the efficacy of PDD/PDT is unknown. In this study, we analyzed the functions of ATP-binding cassette (ABC) transporters in PDD using 5-ALA. Most of the human gastrointestinal cancer line cells examined showed a homogenous staining pattern with 5-ALA, except for the pancreatic cancer line PANC-1, which showed heterogeneous staining. To analyze this heterogeneous staining pattern, single cell clones were established from PANC-1 cells and the expression of ABC transporters was assessed. Among the ABC transporter genes examined, ABCG2 showed an inverse correlation with the rate of 5-ALA-positive staining. PANC-1 clone #2 cells showed the highest level of ABCG2 expression and the lowest level of 5-ALA staining, with only a 0.6% positive rate. Knockdown of the ABCG2 gene by small interfering RNAs increased the positive rate of 5-ALA staining in PANC-1 wild-type and clone cells. Interestingly, PANC-1 clone #2 cells showed the high sphere-forming ability and tumor-formation ability, indicating that the cells contained high numbers of cancer stem cells (CSCs). Knockdown or inhibition of ABCG2 increased the rate of 5-ALA staining, but did not decrease sphere-forming ability. These results indicate that gastrointestinal cancer cell lines expressing high levels of ABCG2 are enriched with CSCs and show low rates of 5-ALA staining, but 5-ALA staining rates can be improved by inhibition of ABCG2.
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Affiliation(s)
- Noriko Kawai
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Hokkaido, Japan
- Department of Gastroenterological Surgery II, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, Japan
| | - Yoshihiko Hirohashi
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Hokkaido, Japan
- * E-mail: (TT); (YH)
| | - Yuma Ebihara
- Department of Gastroenterological Surgery II, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, Japan
| | - Takuma Saito
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Hokkaido, Japan
- Graduate School of Photonic Science, Chitose Institute for Science and Technology, Chitose, Hokkaido, Japan
| | - Aiko Murai
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Hokkaido, Japan
| | - Takahiro Saito
- Department of Gastroenterological Surgery II, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, Japan
| | - Tomohide Shirosaki
- Department of Gastroenterological Surgery II, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, Japan
| | - Terufumi Kubo
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Hokkaido, Japan
| | - Munehide Nakatsugawa
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Hokkaido, Japan
| | - Takayuki Kanaseki
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Hokkaido, Japan
| | - Tomohide Tsukahara
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Hokkaido, Japan
| | - Toshiaki Shichinohe
- Department of Gastroenterological Surgery II, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, Japan
| | - Liming Li
- Graduate School of Photonic Science, Chitose Institute for Science and Technology, Chitose, Hokkaido, Japan
| | - Satoshi Hirano
- Department of Gastroenterological Surgery II, Hokkaido University Graduate School of Medicine, Sapporo, Hokkaido, Japan
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Hokkaido, Japan
- * E-mail: (TT); (YH)
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14
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Tabuchi Y, Hirohashi Y, Hashimoto S, Mariya T, Asano T, Ikeo K, Kuroda T, Mizuuchi M, Murai A, Uno S, Kawai N, Kubo T, Nakatsugawa M, Kanaseki T, Tsukahara T, Saito T, Torigoe T. Clonal analysis revealed functional heterogeneity in cancer stem-like cell phenotypes in uterine endometrioid adenocarcinoma. Exp Mol Pathol 2019; 106:78-88. [DOI: 10.1016/j.yexmp.2018.11.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 11/12/2018] [Accepted: 11/26/2018] [Indexed: 12/15/2022]
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15
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Murai A, Kitahara K, Terada H, Ueno A, Ohmori Y, Kobayashi M, Horio F. Ingestion of paddy rice increases intestinal mucin secretion and goblet cell number and prevents dextran sodium sulfate-induced intestinal barrier defect in chickens. Poult Sci 2018; 97:3577-3586. [PMID: 29850863 DOI: 10.3382/ps/pey202] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Accepted: 04/26/2018] [Indexed: 11/20/2022] Open
Abstract
Paddy rice is a potential feed grain for chickens, whose strong gizzards can crush the hull. Here, we investigated whether paddy rice rich in hull-derived water-insoluble dietary fiber stimulates intestinal mucin secretion and production, as well as the possible involvement of paddy rice in intestinal barrier function. Layer male chicks at 7 d of age were divided into four groups according to the diet: corn, polished rice, brown rice, or paddy rice (650 g/kg diet), which they ate for 14 consecutive days. At 21 d of age, the birds were refed their experimental diets, and small intestinal mucin fractions were collected to determine intestinal mucin content. Small intestinal mucin secretion was induced most strongly in the paddy rice group (Experiment 1). The rank order of diet-induced mucin secretion was paddy rice > corn = brown rice > polished rice. Ileal MUC2 gene expression and ileal number of goblet cells were highest in the paddy rice group (Experiment 1). A study of bromodeoxy-U uptake into ileal epithelial cells indicated the increase in goblet cells in the paddy rice group was related to accelerate epithelial cell migration (Experiment 2). A single supplementation of isolated rice hulls without kernels increased MUC2 gene expression and goblet cell numbers (Experiment 3), suggesting the importance of the hull's bulk-forming capacity on mucin production. Finally, chicks fed corn or paddy rice were orally administered dextran sodium sulfate (DSS) to disrupt intestinal barrier function. In the DSS-treated birds, the intestinal permeability of fluorescein isothiocyanate dextran in the everted gut sacs was much lower in the paddy rice group than in the corn group (Experiment 4), showing that paddy rice protects against mucosal disruption. In conclusion, ingestion of paddy rice increases intestinal mucin secretion and production through enhanced MUC2 gene expression and epithelial turnover and prevents DSS-induced intestinal barrier defects in chickens.
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Affiliation(s)
- A Murai
- Laboratory of Animal Nutrition, Department of Animal Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - K Kitahara
- Laboratory of Animal Nutrition, Department of Animal Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - H Terada
- Laboratory of Animal Nutrition, Department of Animal Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - A Ueno
- Laboratory of Animal Nutrition, Department of Animal Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - Y Ohmori
- Laboratory of Animal Anatomy, Department of Animal Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - M Kobayashi
- Laboratory of Animal Nutrition, Department of Animal Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - F Horio
- Laboratory of Animal Nutrition, Department of Animal Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
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16
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Yasuda K, Hirohashi Y, Mariya T, Murai A, Tabuchi Y, Kuroda T, Kusumoto H, Takaya A, Yamamoto E, Kubo T, Nakatsugawa M, Kanaseki T, Tsukahara T, Tamura Y, Hirano H, Hasegawa T, Saito T, Sato N, Torigoe T. Phosphorylation of HSF1 at serine 326 residue is related to the maintenance of gynecologic cancer stem cells through expression of HSP27. Oncotarget 2018; 8:31540-31553. [PMID: 28415561 PMCID: PMC5458228 DOI: 10.18632/oncotarget.16361] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Accepted: 03/10/2017] [Indexed: 12/20/2022] Open
Abstract
Cancer stem-like cells (CSCs)/ cancer-initiating cells (CICs) are defined by their higher tumor-initiating ability, self-renewal capacity and differentiation capacity. CSCs/CICs are resistant to several therapies including chemotherapy and radiotherapy. CSCs/CICs thus are thought to be responsible for recurrence and distant metastasis, and elucidation of the molecular mechanisms of CSCs/CICs are essential to design CSC/CIC-targeting therapy. In this study, we analyzed the molecular aspects of gynecological CSCs/CICs. Gynecological CSCs/CICs were isolated as ALDH1high cell by Aldefluor assay. The gene expression profile of CSCs/CICs revealed that several genes related to stress responses are preferentially expressed in gynecological CSCs/CICs. Among the stress response genes, a small heat shock protein HSP27 has a role in the maintenance of gynecological CSCs/CICs. The upstream transcription factor of HSP27, heat shock factior-1 (HSF1) was activated by phosphorylation at serine 326 residue (pSer326) in CSCs/CICs, and phosphorylation at serine 326 residue is essential for induction of HSP27. Immunohistochemical staining using clinical ovarian cancer samples revealed that higher expressions of HSF1 pSer326 was related to poorer prognosis. These findings indicate that activation of HSF1 at Ser326 residue and transcription of HSP27 is related to the maintenance of gynecological CSCs/CICs.
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Affiliation(s)
- Kazuyo Yasuda
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Yoshihiko Hirohashi
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Tasuku Mariya
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan.,Department of Obstetrics and Gynecology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Aiko Murai
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Yuta Tabuchi
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan.,Department of Obstetrics and Gynecology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Takafumi Kuroda
- Department of Obstetrics and Gynecology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Hiroki Kusumoto
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Akari Takaya
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Eri Yamamoto
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Terufumi Kubo
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Munehide Nakatsugawa
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Takayuki Kanaseki
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Tomohide Tsukahara
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Yasuaki Tamura
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Hiroshi Hirano
- Department of Surgical Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Tadashi Hasegawa
- Department of Surgical Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Tsuyoshi Saito
- Department of Obstetrics and Gynecology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Noriyuki Sato
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
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17
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Kusumoto H, Hirohashi Y, Nishizawa S, Yamashita M, Yasuda K, Murai A, Takaya A, Mori T, Kubo T, Nakatsugawa M, Kanaseki T, Tsukahara T, Kondo T, Sato N, Hara I, Torigoe T. Cellular stress induces cancer stem-like cells through expression of DNAJB8 by activation of heat shock factor 1. Cancer Sci 2018; 109:741-750. [PMID: 29316077 PMCID: PMC5834799 DOI: 10.1111/cas.13501] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 12/22/2017] [Accepted: 12/30/2017] [Indexed: 12/11/2022] Open
Abstract
In a previous study, we found that DNAJB8, a heat shock protein (HSP) 40 family member is expressed in kidney cancer stem‐like cells (CSC)/cancer‐initiating cells (CIC) and that it has a role in the maintenance of kidney CSC/CIC. Heat shock factor (HSF) 1 is a key transcription factor for responses to stress including heat shock, and it induces HSP family expression through activation by phosphorylation. In the present study, we therefore examined whether heat shock (HS) induces CSC/CIC. We treated the human kidney cancer cell line ACHN with HS, and found that HS increased side population (SP) cells. Western blot analysis and qRT‐PCR showed that HS increased the expression of DNAJB8 and SOX2. Gene knockdown experiments using siRNAs showed that the increase in SOX2 expression and SP cell ratio depends on DNAJB8 and that the increase in DNAJB8 and SOX2 depend on HSF1. Furthermore, treatment with a mammalian target of rapamycin (mTOR) inhibitor, temsirolimus, decreased the expression of DNAJB8 and SOX2 and the ratio of SP cells. Taken together, the results indicate that heat shock induces DNAJB8 by activation of HSF1 and induces cancer stem‐like cells.
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Affiliation(s)
- Hiroki Kusumoto
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan.,Department of Urology, Wakayama Medical University, Wakayama, Japan
| | - Yoshihiko Hirohashi
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Satoshi Nishizawa
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan.,Department of Urology, Wakayama Medical University, Wakayama, Japan
| | - Masamichi Yamashita
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Kazuyo Yasuda
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Aiko Murai
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Akari Takaya
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takashi Mori
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan.,Department of Urology, Wakayama Medical University, Wakayama, Japan
| | - Terufumi Kubo
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Munehide Nakatsugawa
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takayuki Kanaseki
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Tomohide Tsukahara
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Toru Kondo
- Division of Stem Cell Biology, Institute for Genetic Medicine, Hokkaido University, Sapporo, Japan
| | - Noriyuki Sato
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Isao Hara
- Department of Urology, Wakayama Medical University, Wakayama, Japan
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
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18
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Ogawa T, Hirohashi Y, Murai A, Nishidate T, Okita K, Wang L, Ikehara Y, Satoyoshi T, Usui A, Kubo T, Nakastugawa M, Kanaseki T, Tsukahara T, Kutomi G, Furuhata T, Hirata K, Sato N, Mizuguchi T, Takemasa I, Torigoe T. ST6GALNAC1 plays important roles in enhancing cancer stem phenotypes of colorectal cancer via the Akt pathway. Oncotarget 2017; 8:112550-112564. [PMID: 29348846 PMCID: PMC5762531 DOI: 10.18632/oncotarget.22545] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Accepted: 10/04/2017] [Indexed: 12/12/2022] Open
Abstract
Colorectal cancer (CRC) is a mortal disease due to treatment resistance, recurrence and distant metastasis. Emerging evidence has revealed that a small sub-population of cancer cells termed cancer stem cells (CSCs)/ cancer-initiating cells (CICs) is endowed with high levels of tumor-initiating ability, self-renewal ability and differentiation ability and is responsible for treatment resistance, recurrence and distant metastasis. Eradication of CSCs/CICs is essential to improve current treatments. However, the molecular mechanisms by which CSCs/CICs are maintained are still elusive. In this study, we aimed to determine the molecular mechanisms by which colorectal (CR)-CSCs/CICs in are maintained human primary CRC cells. CR-CSCs/CICs were isolated by sphere-culture and the ALDEFLUOR assay, and transcriptome analysis revealed that the gene ST6 N-Acetylgalactosaminide Alpha-2,6-Sialyltransferase 1 (ST6GALNAC1) was expressed at high levels in CR-CSCs/CICs. Overexpression of ST6GALNAC1 enhanced the expression of sialyl-Tn (STn) antigen, which is carried by the CSC marker CD44, and increased the sphere-forming ability and resistance to a chemotherapeutic reagent. The opposite phenomena were observed by gene knockdown using siRNA. Furthermore, the Akt pathway was activated in ST6GANAC1-overexpressed cells, and activation of the pathway was cancelled by gene knockdown of galectin-3. The results indicate that ST6GALNAC1 has a role in the maintenance of CR-CSCs/CICs by activating the Akt pathway in cooperation with galectin-3 and that ST6GalNAC1 (or STn antigen) might be a reasonable molecule for CSC/CIC-targeting therapy.
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Affiliation(s)
- Tadashi Ogawa
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan.,Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Yoshihiko Hirohashi
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Aiko Murai
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Toshihiko Nishidate
- Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Kenji Okita
- Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Liming Wang
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Yuzuru Ikehara
- The Molecular Medicine Team, Research Center for Medical Glycoscience, National Institute of Advanced Industrial Science and Technology, Tsukuba 305-8568, Japan
| | - Tetsuta Satoyoshi
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan.,Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Akihiro Usui
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan.,Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Terufumi Kubo
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Munehide Nakastugawa
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Takayuki Kanaseki
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Tomohide Tsukahara
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Goro Kutomi
- Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Tomohisa Furuhata
- Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Koichi Hirata
- Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Noriyuki Sato
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Toru Mizuguchi
- Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Ichiro Takemasa
- Department of Surgery, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
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19
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Inoue R, Hirohashi Y, Kitamura H, Nishida S, Murai A, Takaya A, Yamamoto E, Matsuki M, Tanaka T, Kubo T, Nakatsugawa M, Kanaseki T, Tsukahara T, Sato N, Masumori N, Torigoe T. GRIK2 has a role in the maintenance of urothelial carcinoma stem-like cells, and its expression is associated with poorer prognosis. Oncotarget 2017; 8:28826-28839. [PMID: 28418868 PMCID: PMC5438695 DOI: 10.18632/oncotarget.16259] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 02/20/2017] [Indexed: 01/16/2023] Open
Abstract
Cancer stem-like cells (CSCs)/cancer-initiating cells (CICs) are small sub-population of cancer cells that are endowed with higher tumor-initiating ability, self-renewal ability and differentiation ability. CSCs/CICs could be isolated as high aldehyde dehydrogenase 1 activity cells (ALDH1high) from various cancer samples. In this study, we isolated urothelial carcinoma CSCs/CICs as ALDHhigh cells and investigated the molecular aspects. ALDH1high cells showed greater sphere-forming ability and higher tumor-initiating ability in immune-deficient mice than those of ALDH1low cells, indicating that CSCs/CICs were enriched in ALDH1high cells. cDNA microarray analysis revealed that an ionotropic glutamate receptor glutamate receptor, ionotropic, kainate 2 (GRIK2) was expressed in ALDH1high cells at a higher level than that in ALDH1low cells. GRIK2 gene knockdown by siRNAs decreased the sphere-forming ability and invasion ability, whereas GRIK2 overexpression increased the sphere-forming ability, invasion ability and tumorigenicity, indicating that GRIK2 has a role in the maintenance of CSCs/CICs. Immunohistochemical staining revealed that higher levels of GRIK2 and ALDH1 expression were related to poorer prognosis in urinary tract carcinoma cases. The findings indicate that GRIK2 has a role in the maintenance of urothelial CSCs/CICs and that GRIK2 and ALDH1 can be prognosis prediction markers for urinary tract carcinomas.
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Affiliation(s)
- Ryuta Inoue
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
- Department of Urology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Yoshihiko Hirohashi
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Hiroshi Kitamura
- Department of Urology, Graduate School of Medicine and Pharmaceutical Science for Research, University of Toyama, Toyama-Shi 930-0194, Japan
| | - Sachiyo Nishida
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
- Department of Urology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Aiko Murai
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Akari Takaya
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Eri Yamamoto
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Masahiro Matsuki
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
- Department of Urology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Toshiaki Tanaka
- Department of Urology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Terufumi Kubo
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Munehide Nakatsugawa
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Takayuki Kanaseki
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Tomohide Tsukahara
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Noriyuki Sato
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Naoya Masumori
- Department of Urology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University School of Medicine, Chuo-Ku, Sapporo 060-8556, Japan
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20
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Takeda R, Hirohashi Y, Shen M, Wang L, Ogawa T, Murai A, Yamamoto E, Kubo T, Nakatsugawa M, Kanaseki T, Tsukahara T, Nishidate T, Okita K, Kutomi G, Sato N, Takemasa I, Torigoe T. Identification and functional analysis of variants of a cancer/testis antigen LEMD1 in colorectal cancer stem-like cells. Biochem Biophys Res Commun 2017; 485:651-657. [DOI: 10.1016/j.bbrc.2017.02.081] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Accepted: 02/15/2017] [Indexed: 11/30/2022]
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21
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Takaya A, Hirohashi Y, Murai A, Morita R, Saijo H, Yamamoto E, Kubo T, Nakatsugawa M, Kanaseki T, Tsukahara T, Tamura Y, Takemasa I, Kondo T, Sato N, Torigoe T. Establishment and Analysis of Cancer Stem-Like and Non-Cancer Stem-Like Clone Cells from the Human Colon Cancer Cell Line SW480. PLoS One 2016; 11:e0158903. [PMID: 27415781 PMCID: PMC4945093 DOI: 10.1371/journal.pone.0158903] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Accepted: 06/23/2016] [Indexed: 01/15/2023] Open
Abstract
Human cancer stem-like cells (CSCs)/cancer-initiating cells (CICs) can be isolated as side population (SP) cells, aldehyde dehydrogenase high (ALDHhigh) cells or cell surface marker-positive cells including CD44+ cells and CD133+ cells. CSCs/CICs and non-CSCs/CICs are unstable in in vitro culture, and CSCs/CICs can differentiate into non-CSCs/CICs and some non-CSCs/CICs can dedifferentiate into CSCs/CICs. Therefore, experiments using a large amount of CSCs/CICs are technically very difficult. In this study, we isolated single cell clones from SP cells and main population (MP) cells derived from the human colon cancer cell line SW480. SP analysis revealed that SP clone cells had relatively high percentages of SP cells, whereas MP clone cells showed very few SP cells, and the phenotypes were sustainable for more than 2 months of in vitro culture. Xenograft transplantation revealed that SP clone cells have higher tumor-initiating ability than that of MP clone cells and SP clone cell showed higher chemo-resistance compared with MP clone cells. These results indicate that SP clone cells derived from SW480 cells are enriched with CSCs/CICs, whereas MP clone cells are pure non-CSCs/CICs. SP clone cells and MP clone cells are a very stable in vitro CSC/CIC-enriched and non-CSC/CIC model for further analysis.
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Affiliation(s)
- Akari Takaya
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, 060–8556, Japan
| | - Yoshihiko Hirohashi
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, 060–8556, Japan
- * E-mail: (YH); (T. Torigoe)
| | - Aiko Murai
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, 060–8556, Japan
| | - Rena Morita
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, 060–8556, Japan
| | - Hiroshi Saijo
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, 060–8556, Japan
- Department of Respiratory Medicine and Allergology, Sapporo Medical University School of Medicine, Sapporo, 060–8543, Japan
| | - Eri Yamamoto
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, 060–8556, Japan
| | - Terufumi Kubo
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, 060–8556, Japan
| | - Munehide Nakatsugawa
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, 060–8556, Japan
| | - Takayuki Kanaseki
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, 060–8556, Japan
| | - Tomohide Tsukahara
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, 060–8556, Japan
| | - Yasuaki Tamura
- Department of Molecular Therapeutics, Center for Food & Medical Innovation, Hokkaido University, Sapporo, 060–8638, Japan
| | - Ichiro Takemasa
- Department of Surgery, Sapporo Medical University School of Medicine, Sapporo, 060–8543, Japan
| | - Toru Kondo
- Division of Stem Cell Biology, Institute for Genetic Medicine, Hokkaido University, Sapporo, 060–8638, Japan
| | - Noriyuki Sato
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, 060–8556, Japan
| | - Toshihiko Torigoe
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, 060–8556, Japan
- * E-mail: (YH); (T. Torigoe)
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Araki S, Dairiki R, Nakayama Y, Murai A, Miyashita R, Iwatani M, Nomura T, Nakanishi O. Inhibitors of CLK protein kinases suppress cell growth and induce apoptosis by modulating pre-mRNA splicing. PLoS One 2015; 10:e0116929. [PMID: 25581376 PMCID: PMC4291223 DOI: 10.1371/journal.pone.0116929] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Accepted: 12/16/2014] [Indexed: 12/22/2022] Open
Abstract
Accumulating evidence has demonstrated the importance of alternative splicing in various physiological processes, including the development of different diseases. CDC-like kinases (CLKs) and serine-arginine protein kinases (SRPKs) are components of the splicing machinery that are crucial for exon selection. The discovery of small molecule inhibitors against these kinases is of significant value, not only to delineate the molecular mechanisms of splicing, but also to identify potential therapeutic opportunities. Here we describe a series of small molecules that inhibit CLKs and SRPKs and thereby modulate pre-mRNA splicing. Treatment with these small molecules (Cpd-1, Cpd-2, or Cpd-3) significantly reduced the levels of endogenous phosphorylated SR proteins and caused enlargement of nuclear speckles in MDA-MB-468 cells. Additionally, the compounds resulted in splicing alterations of RPS6KB1 (S6K), and subsequent depletion of S6K protein. Interestingly, the activity of compounds selective for CLKs was well correlated with the activity for modulating S6K splicing as well as growth inhibition of cancer cells. A comprehensive mRNA sequencing approach revealed that the inhibitors induced splicing alterations and protein depletion for multiple genes, including those involved in growth and survival pathways such as S6K, EGFR, EIF3D, and PARP. Fluorescence pulse-chase labeling analyses demonstrated that isoforms with premature termination codons generated after treatment with the CLK inhibitors were degraded much faster than canonical mRNAs. Taken together, these results suggest that CLK inhibitors exhibit growth suppression and apoptosis induction through splicing alterations in genes involved in growth and survival. These small molecule inhibitors may be valuable tools for elucidating the molecular machinery of splicing and for the potential development of a novel class of antitumor agents.
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Affiliation(s)
- Shinsuke Araki
- Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, Kanagawa, Japan
| | - Ryo Dairiki
- Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, Kanagawa, Japan
| | - Yusuke Nakayama
- Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, Kanagawa, Japan
| | - Aiko Murai
- Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, Kanagawa, Japan
| | - Risa Miyashita
- Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, Kanagawa, Japan
| | - Misa Iwatani
- Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, Kanagawa, Japan
| | - Toshiyuki Nomura
- Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, Kanagawa, Japan
| | - Osamu Nakanishi
- Pharmaceutical Research Division, Takeda Pharmaceutical Company Limited, Kanagawa, Japan
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Mizunuma M, Ishikura H, Nakamura Y, Muranishi K, Morimoto S, Kaneyama H, Izutani Y, Nishida T, Murai A. Endocan can be a predictive marker of severity of sepsis but cannot be a marker of acute respiratory distress syndrome in ICU patients. Crit Care 2015. [PMCID: PMC4471512 DOI: 10.1186/cc14315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Nakamura Y, Ishikura H, Tanaka J, Nishida T, Mizunuma M, Ohta D, Matsumoto N, Murai A. Examination of the diagnostic accuracy of sepsis using procalcitonin, presepsin and CD64 for patients with or without acute kidney injury. Crit Care 2015. [PMCID: PMC4472275 DOI: 10.1186/cc14144] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Murai A, Ishikura H, Matsumoto N, Nakamura Y, Ohta D, Muranishi K, Izutani Y, Nishida T. Impact of fluid management during the three ICU days after admission in patients with ARDS. Crit Care 2014. [PMCID: PMC4273752 DOI: 10.1186/cc14028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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26
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Matsumoto N, Ishikura H, Nakamura Y, Tanaka J, Mizunuma M, Kawano Y, Morimoto S, Kaneyama H, Murai A. Usefulness of intravenous immunoglobulin administration to sepsis-induced coagulopathy in ICU patients. Crit Care 2014. [PMCID: PMC4273750 DOI: 10.1186/cc14027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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27
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Nakamura Y, Ishikura H, Ichiki R, Hoshino K, Mizunuma M, Tanaka J, Murai A. Usefulness of presepsin and procalcitonin levels in the diagnosis of sepsis in patients with acute kidney injury. Crit Care 2014. [PMCID: PMC4068769 DOI: 10.1186/cc13403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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28
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Jin W, Yamada K, Ikami M, Kaji N, Tokeshi M, Atsumi Y, Mizutani M, Murai A, Okamoto A, Namikawa T, Baba Y, Ohta M. P18 Application of IgY to ELISA, LFDs, and immunopillar chips for detecting staphylococcal enterotoxins in milk and dairy products. Int J Antimicrob Agents 2013. [DOI: 10.1016/s0924-8579(13)70263-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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29
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Nakamura Y, Ishikura H, Nishida T, Kawanno Y, Yuge R, Ichiki R, Murai A. Usefulness of presepsin in the diagnosis of sepsis in acute kidney injury patients. Crit Care 2013. [PMCID: PMC3642559 DOI: 10.1186/cc11974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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30
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Asa SA, Murai A, Murakami M, Hoshino Y, Mori T, Maruo K, Khater A, El-Sawak A, el-Aziz EA, Yanai T, Sakai H. Expression of platelet-derived growth factor and its receptors in spontaneous canine hemangiosarcoma and cutaneous hemangioma. Histol Histopathol 2012; 27:601-7. [PMID: 22419024 DOI: 10.14670/hh-27.601] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Hemangiosarcoma (HSA) is a malignant neoplasia of vascular endothelial cells (ECs). Our previous report on the expression of vascular endothelial growth factor, basic fibroblast growth factor, and their receptors in canine HSA suggested an autocrine/ paracrine mechanism of tumor growth. However, the influence of other angiogenic growth factors in canine HSA was not elucidated; therefore, the expression of platelet-derived growth factor (PDGF) and its receptors was investigated by immunohistochemical analysis. Forty-six canine HSAs and 21 canine cutaneous hemangiomas (HAs) were analyzed. For immunohistochemistry, anti-PDGF-BB, anti-PDGFR-α, and anti-PDGFR-β antibodies were utilized as primary antibodies. Immunoreactivities were scored as strongly positive (>25% positive neoplastic cells), weakly positive (1-25% positive neoplastic cells), and negative if not staining at all. In cutaneous HA, 33.3% and 57.1% of cases were strongly and weakly positive, respectively, and 43.5% and 13.0% of HSAs were strongly and weakly positive for PDGF-BB, respectively. Moreover, 38.1% and 28.6% of cutaneous HAs cases were strongly and weakly positive, respectively, and 23.9% and 4.3% of HSAs cases were strongly and weakly positive, respectively, for PDGFR-α. Thirty-five HSAs cases (76.1%) were strongly positive, and the remaining 11 (23.9%) were weakly positive for PDGFR-β. In contrast, 18 (72.0%) cutaneous HAs were negative, and only 3 cases (12.0%) were weakly positive, for PDGFR-β. The proportion of strongly positive cases of HSAs was significantly higher than that of cutaneous HA for PDGFR-β (P<0.01), while PDGFR-α was highly expressed in cutaneous HA and may be related to pathogenesis of cutaneous HA. Therefore, PDGFR-β may be associated with the malignant nature of canine HSA.
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Affiliation(s)
- S Abou Asa
- Laboratory of Veterinary Pathology, Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan
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Murai A, Abou Asa S, Kodama A, Sakai H, Hirata A, Yanai T. Immunohistochemical analysis of the Akt/mTOR/4E-BP1 signalling pathway in canine haemangiomas and haemangiosarcomas. J Comp Pathol 2012; 147:430-40. [PMID: 22789858 DOI: 10.1016/j.jcpa.2012.05.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2012] [Revised: 04/10/2012] [Accepted: 05/01/2012] [Indexed: 01/12/2023]
Abstract
The specific signalling pathways that are deregulated in canine endothelial tumours have not yet fully elucidated. Therefore, the aim of the present study was to examine activation of the Akt/mammalian target of rapamycin (mTOR)/eukaryotic initiation factor 4E-binding protein 1 (4E-BP1) signalling pathway in spontaneously arising canine haemangiomas (HAs) and haemangiosarcomas (HSAs) in order to identify novel molecular targets for treatment. Surgically-resected samples of HA (n = 27), HSA (n = 37), granulation tissue (n = 4) and normal skin (n = 4) were investigated by immunohistochemistry. Approximately 80% of the HSA samples had moderate to intense expression of phosphorylated Akt at Ser473 (p-Akt Ser473), p-Akt Thr308, p-4E-BP1 Thr37/46 and eukaryotic initiation factor 4E, which was significantly higher than in the HAs and was similar to the expression in activated endothelial cells (ECs). Although p-mTOR complex1 (p-mTORC1) Ser2448 was expressed by most of the activated ECs, only 35% of the HSA samples had weak to moderate expression. Because mTORC2 and phosphorylates Akt Ser473 was activated in HSA samples, the present findings suggest that the mTORC2/Akt/4E-BP1 pathway, regulated independently of mTORC1, may be important for targeting therapy in canine HSAs.
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Affiliation(s)
- A Murai
- Laboratory of Veterinary Pathology, Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan
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Murai A, Ishikura H, Nishida T, Irie Y, Kamitani T, Yuge R, Kitamura T, Umemura T. Clinical usefulness of measuring endotoxin activity on ICU admission. Crit Care 2012. [PMCID: PMC3363452 DOI: 10.1186/cc10641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Mori R, Murai A, Okumura J, Sugita S, Sugahara K, Furuse M. Effect of Cyclodextrins on Small Intestinal Mucosa and Glucose Absorption in the Rat. Journal of Applied Animal Research 2011. [DOI: 10.1080/09712119.2000.9706303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Nishida T, Ishikura H, Murai A, Irie Y, Umemura T, Kamitani T, Endo S. Assessment of the usefulness of presepsin (soluble CD14 subtype) in septic patients. Crit Care 2011. [PMCID: PMC3239262 DOI: 10.1186/cc10388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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35
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Murai A, Kodama A, Maruo K, Yanai T, Sakai H. Establishment and Characterization of New Cell Lines Derived from Canine Haemangiosarcomas. J Comp Pathol 2010. [DOI: 10.1016/j.jcpa.2010.09.090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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36
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Bae HD, Kitaguchi K, Horio F, Murai A. Higher incorporation of heterologous chicken immunoglobulin Y compared with homologous quail immunoglobulin Y into egg yolks of Japanese quail (Coturnix japonica). Poult Sci 2009; 88:1703-11. [PMID: 19590086 DOI: 10.3382/ps.2008-00238] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
In avian species, blood IgY is selectively incorporated into the yolks of maturing oocytes, although the precise mechanism is poorly understood. Our previous study showed that 22% of i.v.-injected heterologous chicken IgY (cIgY) was incorporated into egg yolks of Japanese quail (Coturnix japonica). However, it is not known whether homologous quail IgY (qIgY) can be more efficiently incorporated into quail egg yolks than cIgY. Therefore, we compared the uptakes of qIgY and cIgY i.v. administered into quail egg yolks and further characterized the uptakes of these 2 antibodies into quail ovarian follicles. Quail IgY and cIgY purified from the blood of the respective bird were labeled with digoxigenin, and their uptakes into quail egg yolks were determined by ELISA. Unexpectedly, total incorporation of the injected qIgY was only one-third of that of cIgY, although much more qIgY was left in blood compared with cIgY, suggesting that qIgY is the less preferable antibody as a transport ligand into quail egg yolks. On the other hand, deposition of the qIgY into heart, lung, liver, spleen, kidney, and ovarian follicular membrane was markedly higher than that of cIgY. Amino acid sequence analysis of 3 peptides derived from the trypsin-digested qIgY heavy chain revealed low homology between qIgY and cIgY. In conclusion, our results show that heterologous cIgY is more efficiently incorporated into quail egg yolks than homologous qIgY, possibly due to a distinctive antibody transport system existing in oocytes. The present results also may provide a new strategy for delivering useful proteinaceous substances into egg yolks in an attempt to produce designer eggs.
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Affiliation(s)
- H-D Bae
- Department of Applied Molecular Biosciences, Graduate School of Bioagricultural Sciences, Nagoya University, 464-8601 Nagoya, Japan
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Kodama A, Sakai H, Murakami M, Murai A, Mori T, Maruo K, Yanai T, Masegi T. Immunohistochemical Demonstration of Angiogenesis-Associated Homeobox Proteins in Canine Vascular Tumours. J Comp Pathol 2009; 141:199-203. [DOI: 10.1016/j.jcpa.2009.04.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2009] [Revised: 02/12/2009] [Accepted: 04/23/2009] [Indexed: 10/20/2022]
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Ive T, Ben-Yaacov T, Murai A, Asamizu H, Van de Walle CG, Mishra U, DenBaars SP, Speck JS. Metalorganic chemical vapor deposition of ZnO(0001) thin films on GaN(0001) templates and ZnO(0001) substrates. ACTA ACUST UNITED AC 2008. [DOI: 10.1002/pssc.200779197] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Abstract
A 12-year-old pregnant female giraffe (Giraffa camelopardalis reticulata) died approximately 2 months prior to her anticipated parturition date. At necropsy, a mass measuring approximately 20 x 36 x 20 cm was observed, attached to the umbilical cord, the latter being otherwise normal in appearance. Histologically, the mass contained 3 germinal tissue components with areas of squamous epithelium, respiratory epithelium, primitive neural tissues, glial tissue, peripheral nerve, adipose tissue, cartilage, and smooth muscle. Based on these findings, the tumor was diagnosed as a teratoma originating from the umbilical cord. This is possibly the second reported case of umbilical cord teratoma in animals.
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Affiliation(s)
- A Murai
- Department of Veterinary Pathology, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
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Murai A, Tsujimoto Y, Matsui H, Watanabe K. An Aneurinibacillus sp. strain AM-1 produces a proline-specific aminopeptidase useful for collagen degradation. J Appl Microbiol 2004; 96:810-8. [PMID: 15012820 DOI: 10.1111/j.1365-2672.2004.02210.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AIMS We have been for a species of thermophilic bacteria that can effectively decompose collagen and collagen peptides that tend to be hard-to-degrade proteins because of their high content of proline residues. This study focused upon the enzymatic degradation of prolyl peptides by thermophilic bacteria. METHODS AND RESULTS A strain, AM-1, producing a proline-specific aminopeptidase was isolated using a medium containing gelatin that was taken from soil samples collected at Arima Hot Spring located near Kobe, Japan. The strain showed the strongest level of hydrolysing activity toward prolyl-p-nitroanilide, and the activity proved to be thermostable. Phylogenetic analysis based on 16S rDNA sequences revealed that the isolated strain AM-1 was closest to Aneurinibacillus thermoaerophilus DSM10154T in its characteristics. Analysis of the purified proline-specific aminopeptidase suggested that the enzyme is an aminopeptidase containing metal that includes important disulphide bond(s). The strain AM-1 aminopeptidase has more similarities with leucyl aminopeptidases, but its activity level differs greatly with prolyl peptides. CONCLUSIONS The proline-specific aminopeptidase from strain AM-1 is the first from the genus Aneurinibacillus and may be a new type of aminopeptidase for hydrolysing prolyl peptide. This enzyme also contributed to the degradation of collagen when used in combination with another collagenolytic protease. SIGNIFICANCE AND IMPACT OF THE STUDY The proline-specific aminopeptidase obtained from strain AM-1 may be used in the treatment of wastewater containing collagen that is encountered in the meat industries, and for decreasing bitter peptides in milk products.
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Affiliation(s)
- A Murai
- Department of Applied Biochemistry, Kyoto Prefectural University, Shimogamo, Sakyo, Kyoto, Japan
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Murai A, Kobayashi T, Okada T, Okumura J. Improvement of growth and nutritive value in chicks with non-genetically modified phytase product from Aspergillus niger. Br Poult Sci 2002; 43:687-95. [PMID: 12555893 DOI: 10.1080/0007166021000025046] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
1. Non-genetically modified (non-GM) phytase product derived from Aspergillus niger possesses various side active enzymes including alpha-amylase, protease, cellulase and hemicellulase. In contrast, the product of genetically modified (GM) phytase product has much less side active enzyme since the capacity of phytase production is reinforced by gene modification. In the present study we have tried to determine whether the difference of side enzyme activity of phytase product affects growth performances and nutritive value in chicks; in addition we tried to characterise the physiological change induced by the difference of side active enzymes. 2. Single Comb White Leghorn male chicks at 7 d of age were fed on experimental barley-based diets for 10 d. The feeding trial was of a factorial design (3 x 2 x 2), having three types of dietary phytase products (control, non-GM or GM phytase products derived from A. niger at 1000 U/kg diet), two levels of dietary available P supplement (0 or 6 g/kg diet) and two levels of dietary protein (CP 180 or 120 g/kg). 3. The non-GM phytase product caused a 6% increase in final body weight and feed efficiency compared with the control and the GM phytase product without interacting with dietary protein and available P level. However, in birds given available P-free diet, both non-GM and GM phytase products induced a 20% increase in plasma P concentration, suggesting no difference in phytase activity between the non-GM and GM phytase products. 4. The balance study showed that the metabolisable energy of the non-GM phytase product (15.6 +/- 0.05 kJ/g diet) was significantly higher among the treatments (control, 15.1 +/- 0.05; GM phytase product 15.3 +/- 0.07). The non-GM phytase product also increased the rate of food passage through the crop, and caused a drastic reduction in intestinal weight, perhaps as a consequence of digestion of non-starch polysaccharides. 5. We conclude that the side active enzymes in non-GM phytase product improve growth performance and nutritive value of the diet in chicks. However, the efficacy of phytase activity should not be different between non-GM and GM phytase products.
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Affiliation(s)
- A Murai
- Laboratory of Animal Nutrition, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan.
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Iwahashi H, Tashiro T, Nakamura K, Iwakuma A, Zaitsu R, Motomura T, Murai A, Tachikawa Y, Shibano R, Kimura M. [Coronary artery bypass grafting in the patients with renal dysfunction]. Kyobu Geka 2002; 55:101-5; discussion 105-9. [PMID: 11842545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
We studied coronary artery bypass grafting (CABG) in patients with renal dysfunction. From April 1994 to October 1999, 59 patients with renal dysfunction underwent CABG. The patients were divided into 2 groups: group A: 18 patients with end stage renal disease who were receiving hemodialysis, group B; 41 patients with creatinine levels higher than 1.5 mg/dl who were not supported by dialysis. We compared and analyzed the findings of there 2 groups. Regarding preoperative factors, the incidence of old myocardial infarctions, diabetes mellitus and old cerebral infarctions did not differ significantly between the 2 groups. Regarding perioperative factors, the incidence of the number of vessel diseases, emergency operations, operation times and blood transfusions did not differ significantly between the 2 groups. Regarding the post-operative course, the hospital mortality rates demonstrated low levels in 2 groups. The graft patency of group A was 95%, while it was 99% in group B. The post-operative in-hospital days was 24.8 days in the group A, while it was 30.1 days in the group B. No significant difference was observed between the 2 groups. As a results, post-operative hemodialysis was needed in 8 of the patients who underwent on-pump CABG from group A. The actual survival rates were 75.3% in group A and 84.3% in group B at 4 years. The cardiac event free rate for group A was 93.3%, while it was 97.5% in group B at 4 years. In conclusion, CABG may improve the post-operative outcome in renal dysfunction patients. In addition, the use of off-pump CABG is also considered to achieve a better renal function than on-pump CABG.
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Affiliation(s)
- H Iwahashi
- Department of Cardiovascular Surgery, School of Medicine, Fukuoka University, Fukuoka, Japan
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Nagao K, Osada K, Murai A, Okumura J, Kita K. Influence of Antisense IGFBP-2 Oligo Deoxynucleotide Administration on Tissue IGFBP-2 Gene Expression in Chicks. Asian Australas J Anim Sci 2001. [DOI: 10.5713/ajas.2001.1781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Moriya T, Furukawa K, Nakamura H, Murai A, Ohizumi Y. The vaso-contractile action of zooxanthellatoxin-B from a marine dinoflagellate is mediated via Ca2+ influx in the rabbit aorta. Can J Physiol Pharmacol 2001; 79:1030-5. [PMID: 11824938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
We previously showed that zooxanthellatoxin-B, isolated from dinoflagellate, caused a sustained contraction of the aorta in an external Ca2+-dependent manner. To clarify the role of Ca2+ in this action, we examined the effects of zooxanthellatoxin-B as well as a depolarizing stimulus (60 mM KCl), using the simultaneous recording for cytosolic Ca2+ level (fura-2) and developed tension in the rabbit aorta. KCl (60 mM) elicited a rapid cytosolic Ca2+ elevation followed by a pronounced contraction, and time required for half-maximum contraction was 2 min. Zooxanthellatoxin-B caused an increase in cytosolic Ca2+ followed by a gradual contraction, with a time for half-maximum contraction of 5-10 min in a concentration-dependent manner. We found a strong correlation between Ca2+ elevation and the contraction in zooxanthellatoxin-B action. In a Ca2+-free solution, zooxanthellatoxin-B caused neither the contraction nor the increase in cytosolic Ca2+. Furthermore, both pre- and post-treatment with verapamil, a voltage-operated Ca2+-channel blocker, partially suppressed both an increase in cytosolic Ca2+ and the contraction by zooxanthellatoxin-B. Zooxanthellatoxin-B-induced contraction was also inhibited by other voltage-operated Ca2+-channel blockers: nifedipine or diltiazem. These results suggest that zooxanthellatoxin-B-elicited contraction is caused by a Ca2+ influx into the smooth muscle cells, partially via voltage-operated Ca2+ channels.
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Affiliation(s)
- T Moriya
- Department of Pharmaceutical Molecular Biology, Pharmaceutical Institute, Tohoku University, Sendai, Miyagi, Japan
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Nagao K, Aman Yaman M, Murai A, Sasaki T, Saito N, Okumura J, Kita K. Insulin administration suppresses an increase in insulin-like growth factor binding protein-2 gene expression stimulated by fasting in the chicken. Br Poult Sci 2001; 42:501-4. [PMID: 11572626 DOI: 10.1080/00071660120070622] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
1. We examined the changes in plasma IGF-I concentration and tissue IGFBP-2 gene expression of young fasted chickens refed a commercial diet or administered bovine insulin intravenously. 2. Plasma IGF-I concentration was decreased by fasting for 2 d. Although plasma IGF-I concentration was increased by refeeding, it didn't recover to the level of chickens fed a commercial diet ad libitum. 3. Insulin administration lowered plasma IGF-I concentration compared to other groups. 4. Hepatic IGFBP-2 mRNA was increased by fasting for 2 d and decreased by refeeding for 6 h. Insulin administration also decreased hepatic IGFBP-2 gene expression stimulated by fasting to the level of refed chickens. 5. IGFBP-2 mRNA in the gizzard was increased by fasting for 2 d and tended to decrease after refeeding for 6 h. Insulin administration decreased gizzard IGFBP-2 gene expression to less than that in refed chickens. 6. There was no between-treatment difference in IGFBP-2 mRNA in the brain and kidney. 7. These results suggest that the changes in IGFBP-2 gene expression in the liver and gizzard by fasting and refeeding might be partly regulated by the alteration in plasma insulin concentration.
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Affiliation(s)
- K Nagao
- Laboratory of Animal Nutrition, Nagoya University, Japan.
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Nakamura H, Wu C, Inouye S, Murai A. Design, synthesis, and evaluation of the transition- state inhibitors of coelenterazine bioluminescence: probing the chiral environment of active site. J Am Chem Soc 2001; 123:1523-4. [PMID: 11456737 DOI: 10.1021/ja005663v] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- H Nakamura
- Division of Biomodeling, Department of Applied Molecular Biosciences, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, 464-8601, Japan
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Murai A. [Quality of life at the end of life--from the viewpoint of feeding]. Nihon Ronen Igakkai Zasshi 2000; 37:722-4. [PMID: 11109842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
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Tashiro T, Zaitu R, Nakamura K, Motomura T, Iwahashi H, Murai A, Iwakuma A, Kimura M. Off-pump CABG for a patient with a brain tumor. Ann Thorac Cardiovasc Surg 2000; 6:193-5. [PMID: 10899691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023] Open
Abstract
Coronary artery bypass grafting (CABG) without cardiopulmonary bypass (off-pump CABG) was performed on a patient with a brain tumor. A patient with effort angina of the left anterior descending artery (LAD), and diagonal branch stenosis was referred to us for CABG. He had a mass lesion in the brain that was diagnosed as meningioma involving the internal carotid artery and a middle cerebral artery. To avoid brain complications, we performed off-pump CABG using the internal thoracic and radial arteries to the LAD and a diagonal branch. Off-pump CABG was an effective method to avoid brain complications for patients with a brain tumor involving cerebral vessels.
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Affiliation(s)
- T Tashiro
- Department of Cardiovascular Surgery, University of Fukuoka School of Medicine, 7-45-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan
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Abstract
In mammals, cholecystokinin regulates pancreatic exocrine secretion under physiological conditions. We have shown, however, that cholecystokinin at physiological concentrations does not induce pancreatic amylase secretion in birds. Therefore, we investigated the effects of various neurotransmitters and gut hormones on the pancreatic amylase secretory response in isolated chicken pancreatic acini. Acetylcholine (half-maximal stimulation at 800 nM) and vasoactive intestinal polypeptide (half-maximal stimulation at 40 pM) produced a concentration-dependent increase in amylase secretion at physiological concentrations. The combination of acetylcholine and vasoactive intestinal polypeptide produced an additive response in amylase secretion. Sodium nitroprusside, a spontaneous nitric oxide releaser, and bombesin, induced amylase secretion at concentrations greater than 10 nM and 100 nM, respectively. Gastrin and secretin increased amylase secretion at pharmacological concentrations (10 to 100 nM). Our findings suggest that neural regulation is important for pancreatic enzyme secretion in birds and the contribution of gut hormones seems to be physiologically unimportant.
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Affiliation(s)
- A Murai
- Department of Biological Resources and Environmental Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Japan
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Abstract
Enteroendocrine cells respond to nutrient and non-nutrient stimuli in the gut lumen. The intestinal hormone cholecystokinin (CCK) is secreted in response to luminal fatty acids, amino acids, peptides and proteins. The peptidomimetic cephalosporins have been reported to provide model, stable, compounds with similar secretagogue activity to peptide. Putative luminal stimuli also influence transcriptional activity in enteroendocrine cells, but the mechanisms are uncertain. In the present study we have investigated the control of c-fos expression in STC-1 cells (an enteroendocrine cell line). Peptidomimetics stimulated calcium-dependent release of CCK, and increased intracellular calcium, phosphorylation of p42/44 mitogen-activated protein kinase (MAP kinase) and c-fos mRNA abundance. Hypotonic stress also increased p42/44 MAP kinase phosphorylation and c-fos mRNA, but not CCK release. The increase in c-fos mRNA was strikingly potentiated by peptidomimetics in hypotonic medium. Increased c-fos expression, but not CCK release, was suppressed by the MAP kinase (MEK) inhibitor PD98059, and by the tyrosine kinase inhibitor genistein. We conclude that in STC-1 cells, peptidomimetics act through the p42/44 MAP kinase pathway to increase c-fos expression but not exocytosis. Moreover, a putative non-nutritive stimulus, hypotonic stress, may interact with this pathway to enhance c-fos expression, independently of hormone release.
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Affiliation(s)
- A Murai
- Physiological Laboratory, Department of Physiology, University of Liverpool, UK
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