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Hui Y, Wenguang Y, Wei S, Haoran W, Shanglei N, Ju L. circSLC4A7 accelerates stemness and progression of gastric cancer by interacting with HSP90 to activate NOTCH1 signaling pathway. Cell Death Dis 2023; 14:452. [PMID: 37474578 PMCID: PMC10359325 DOI: 10.1038/s41419-023-05976-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 07/01/2023] [Accepted: 07/11/2023] [Indexed: 07/22/2023]
Abstract
Gastric cancer stem cells (GCSCs) play critical roles in gastric cancer (GC) initiation and development. Circular RNAs (circRNAs) participate in diverse cancer biological processes and function as tumor suppressors or oncogenes. This study aims to discover the expression profile and functional roles of circRNAs in GCSCs. A spheroid formation assay was conducted to enrich GCSCs. Genome-wide sequencing of circRNAs showed that a novel circRNA, circSLC4A7, was one of the most upregulated circRNAs in GCSCs. CircSLC4A7 was localized to the nucleus, and its level was elevated in GC cells and tissues. Furthermore, circSLC4A7 increased CSC-like properties and drove cell proliferation, migration, and invasion, which were determined by gain- and loss-of-function experiments. Specific circRNA pull-down assays followed by mass spectrometry analysis, RNA immunoprecipitation, and dual RNA-fluorescence in situ hybridization and immunofluorescence assay were conducted and HSP90 was detected to interact with circSLC4A7 and mediate the oncogenic function of circSLC4A7 by activating the Notch1 signaling pathway in GC. This study highlights a novel oncogenic function of circSLC4A7 mediated by its binding with HSP90 and thus activating the Notch1 signaling pathway.
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Affiliation(s)
- Yang Hui
- Center for post-doctoral studies, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, 250012, China
- Department of General Surgery, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Key Laboratory of Metabolism and Gastrointestinal Tumor, the First Affiliated Hospital of Shandong First Medical University, Key Laboratory of Laparoscopic Technology, the First Affiliated Hospital of Shandong First Medical University, Shandong Medicine and Health Key Laboratory of General Surgery, Jinan, Shandong, 250000, China
| | - Yuan Wenguang
- Department of General Surgery, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Key Laboratory of Metabolism and Gastrointestinal Tumor, the First Affiliated Hospital of Shandong First Medical University, Key Laboratory of Laparoscopic Technology, the First Affiliated Hospital of Shandong First Medical University, Shandong Medicine and Health Key Laboratory of General Surgery, Jinan, Shandong, 250000, China
| | - Shang Wei
- Department of proctology, Jinan People's Hospital, Jinan, Shandong, 271100, China
| | - Wang Haoran
- Department of General Surgery, Shandong Provincial Qianfoshan Hospital, Weifang Medical College, Weifang, Shandong, 261000, China
| | - Ning Shanglei
- Department of Hepatobiliary Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, 250000, China.
| | - Liu Ju
- School of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, 250000, China.
- Medical Research Center, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, Shandong, 250000, China.
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2
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Zhou P, Chen X, Shi K, Qu H, Xia J. The characteristics, tumorigenicities and therapeutics of cancer stem cells based on circRNAs. Pathol Res Pract 2022; 233:153822. [DOI: 10.1016/j.prp.2022.153822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 02/10/2022] [Accepted: 02/23/2022] [Indexed: 12/24/2022]
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Perumal V, Corica T, Dharmarajan AM, Sun Z, Dhaliwal SS, Dass CR, Dass J. Circulating Tumour Cells (CTC), Head and Neck Cancer and Radiotherapy; Future Perspectives. Cancers (Basel) 2019; 11:E367. [PMID: 30875950 PMCID: PMC6468366 DOI: 10.3390/cancers11030367] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 03/10/2019] [Accepted: 03/11/2019] [Indexed: 02/07/2023] Open
Abstract
Head and neck cancer is the seventh most common cancer in Australia and globally. Despite the current improved treatment modalities, there is still up to 50⁻60% local regional recurrence and or distant metastasis. High-resolution medical imaging technologies such as PET/CT and MRI do not currently detect the early spread of tumour cells, thus limiting the potential for effective minimal residual detection and early diagnosis. Circulating tumour cells (CTCs) are a rare subset of cells that escape from the primary tumour and enter into the bloodstream to form metastatic deposits or even re-establish themselves in the primary site of the cancer. These cells are more aggressive and accumulate gene alterations by somatic mutations that are the same or even greater than the primary tumour because of additional features acquired in the circulation. The potential application of CTC in clinical use is to acquire a liquid biopsy, by taking a reliable minimally invasive venous blood sample, for cell genotyping during radiotherapy treatment to monitor the decline in CTC detectability, and mutational changes in response to radiation resistance and radiation sensitivity. Currently, very little has been published on radiation therapy, CTC, and circulating cancer stem cells (CCSCs). The prognostic value of CTC in cancer management and personalised medicine for head and neck cancer radiotherapy patients requires a deeper understanding at the cellular level, along with other advanced technologies. With this goal, this review summarises the current research of head and neck cancer CTC, CCSC and the molecular targets for personalised radiotherapy response.
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Affiliation(s)
- Vanathi Perumal
- School of Pharmacy and Biomedical Sciences, Curtin University, Perth, WA 6102, Australia.
- Radiation Oncology, Sir Charles Gairdner Hospital, Cancer Centre, Nedlands, Perth, WA 6009, Australia.
- Stem Cell and Cancer Biology Laboratory, School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth, WA 6102, Australia.
- Curtin Health Innovation Research Institute, Curtin University, Perth, WA 6102, Australia.
| | - Tammy Corica
- Radiation Oncology, Sir Charles Gairdner Hospital, Cancer Centre, Nedlands, Perth, WA 6009, Australia.
| | - Arun M Dharmarajan
- School of Pharmacy and Biomedical Sciences, Curtin University, Perth, WA 6102, Australia.
- Stem Cell and Cancer Biology Laboratory, School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth, WA 6102, Australia.
- Curtin Health Innovation Research Institute, Curtin University, Perth, WA 6102, Australia.
| | - Zhonghua Sun
- Discipline of Medical Radiation Sciences, School of Molecular and Life Sciences, Faculty of Science and Engineering, Curtin University, Perth, WA 6102, Australia.
| | - Satvinder S Dhaliwal
- School of Public Health, Faculty of Health Sciences, Curtin University, Perth, WA 6102, Australia.
| | - Crispin R Dass
- School of Pharmacy and Biomedical Sciences, Curtin University, Perth, WA 6102, Australia.
- Curtin Health Innovation Research Institute, Curtin University, Perth, WA 6102, Australia.
| | - Joshua Dass
- Radiation Oncology, Sir Charles Gairdner Hospital, Cancer Centre, Nedlands, Perth, WA 6009, Australia.
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4
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Effects of surgery on the cancer stem cell niche. Eur J Surg Oncol 2016; 42:319-25. [DOI: 10.1016/j.ejso.2015.12.008] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Revised: 11/24/2015] [Accepted: 12/09/2015] [Indexed: 01/12/2023] Open
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Crea F, Nur Saidy NR, Collins CC, Wang Y. The epigenetic/noncoding origin of tumor dormancy. Trends Mol Med 2015; 21:206-11. [PMID: 25771096 DOI: 10.1016/j.molmed.2015.02.005] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 01/27/2015] [Accepted: 02/11/2015] [Indexed: 12/13/2022]
Abstract
Cancer stem cells (CSCs) have been implicated as the seeds of treatment resistance and metastasis, which are the most deadly features of a neoplasm. However, an unequivocal definition of the CSC phenotype is still missing. A common feature of normal and aberrant stem cells is their ability to enter a prolonged dormant state. Cancer dormancy is a key mechanism for treatment resistance and metastasis. Here we propose a unified definition of dormancy-competent CSCs (DCCs) as the neoplastic subpopulation that can plastically alternate periods of dormancy and rapid growth. Irreversible DNA mutations can hardly account for this versatile behavior, and based on emerging evidence we propose that cancer dormancy is a nongenetic disease driven by the flexible nature of the epigenetic/noncoding interactome.
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Affiliation(s)
- Francesco Crea
- Experimental Therapeutics, BC Cancer Agency Cancer Research Centre, Vancouver, Canada; Vancouver Prostate Centre, University of British Columbia, Vancouver, Canada; Department of Urologic Sciences, University of British Columbia, Vancouver, Canada.
| | - Nur Ridzwan Nur Saidy
- Experimental Therapeutics, BC Cancer Agency Cancer Research Centre, Vancouver, Canada; Honours Biotechnology Program, University of British Columbia, Vancouver, Canada
| | - Colin C Collins
- Vancouver Prostate Centre, University of British Columbia, Vancouver, Canada; Department of Urologic Sciences, University of British Columbia, Vancouver, Canada
| | - Yuzhuo Wang
- Experimental Therapeutics, BC Cancer Agency Cancer Research Centre, Vancouver, Canada; Vancouver Prostate Centre, University of British Columbia, Vancouver, Canada; Department of Urologic Sciences, University of British Columbia, Vancouver, Canada.
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Cheng SW, Tsai HW, Lin YJ, Cheng PN, Chang YC, Yen CJ, Huang HP, Chuang YP, Chang TT, Lee CT, Chao A, Chou CY, Chan SH, Chow NH, Ho CL. Lin28B is an oncofetal circulating cancer stem cell-like marker associated with recurrence of hepatocellular carcinoma. PLoS One 2013; 8:e80053. [PMID: 24244607 PMCID: PMC3828221 DOI: 10.1371/journal.pone.0080053] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2013] [Accepted: 09/30/2013] [Indexed: 12/21/2022] Open
Abstract
By using an expressed sequence tag bioinformatic algorithm, we identified that Lin28 homolog B (Lin28B) may have an oncofetal expression pattern which may facilitate detecting cancer cells in adults. It is also reported to be a potential marker for cancer stem cells. Therefore, we sought to verify oncofetal-stemness characters of Lin28B and test its potential as a circulating cancer stem cell-like marker in adult HCC patients. Lin28B mRNA was examined in a panel of fetal tissue, adult tissue and tumors. Lin28B was over-expressed or knocked down in HepG2 cells to evaluate its potential as a stem cell-like marker. RT-qPCR for Lin28B was performed in the peripheral blood mononuclear cells from patients with HCC receiving surgery (n=96) and non-HCC controls (n=60) and analyzed its clinical significance. Lin28B showed an oncofetal expression pattern. Its overexpression could upregulate stemness markers (OCT4, Nanog and SOX2) and enhance tumorsphere formation in vitro. Lin28B knockdown had opposite effects. Circulating Lin28B was detected in peripheral blood mononuclear cells in 3 cases (5%) of non-HCC controls and 32 cases (33.3%) of HCC patients. In HCC patients, circulating Lin28B was associated with high tumor grade (P=0.046), large size (P=0.005), high AJCC stage (P=0.044) and BCLC stage (P=0.017). Circulating Lin28B was significantly associated with decreased recurrence-free survival (P<0.001). Circulating Lin28B separated early stage HCC into 2 recurrence-free survival curves (P=0.003). In multivariate analysis, circulating Lin28B was an independent variable associated with early recurrence (P=0.045) and recurrence in early stage HCC (P=0.006). In conclusion, the oncofetal gene Lin28B is a potential oncofetal cancer-stem-cell-like circulating tumor cell marker that correlates with HCC recurrence after hepatectomy. Circulating Lin28B could refine early AJCC stages. Our finding supports the possible use of a TNMC (C for circulating tumor cells) staging system in HCC.
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MESH Headings
- Adult
- Aged
- Biomarkers, Tumor/genetics
- Biomarkers, Tumor/metabolism
- Carcinoma, Hepatocellular/genetics
- Carcinoma, Hepatocellular/mortality
- Carcinoma, Hepatocellular/pathology
- Carcinoma, Hepatocellular/surgery
- Female
- Gene Expression Regulation, Neoplastic
- Hep G2 Cells
- Hepatectomy
- Homeodomain Proteins/genetics
- Homeodomain Proteins/metabolism
- Humans
- Liver Neoplasms/genetics
- Liver Neoplasms/mortality
- Liver Neoplasms/pathology
- Liver Neoplasms/surgery
- Male
- Middle Aged
- Nanog Homeobox Protein
- Neoplasm Recurrence, Local/genetics
- Neoplasm Recurrence, Local/mortality
- Neoplasm Recurrence, Local/pathology
- Neoplasm Recurrence, Local/surgery
- Neoplasm Staging
- Neoplastic Cells, Circulating/metabolism
- Neoplastic Cells, Circulating/pathology
- Neoplastic Stem Cells/metabolism
- Neoplastic Stem Cells/pathology
- Octamer Transcription Factor-3/genetics
- Octamer Transcription Factor-3/metabolism
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- RNA-Binding Proteins/genetics
- RNA-Binding Proteins/metabolism
- SOXB1 Transcription Factors/genetics
- SOXB1 Transcription Factors/metabolism
- Survival Analysis
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Affiliation(s)
- Shu-Wen Cheng
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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Kao TC, Lee HHC, Higuchi A, Ling QD, Yu WC, Chou YH, Wang PY, Suresh Kumar S, Chang Y, Hung Chen Y, Chang Y, Chen DC, Hsu ST. Suppression of cancer-initiating cells and selection of adipose-derived stem cells cultured on biomaterials having specific nanosegments. J Biomed Mater Res B Appl Biomater 2013; 102:463-76. [PMID: 24039170 DOI: 10.1002/jbm.b.33024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2013] [Revised: 07/18/2013] [Accepted: 08/10/2013] [Indexed: 12/27/2022]
Abstract
Cancer-initiating cells [cancer stem cells (CSCs)] in colon cancer cells can be selectively suppressed when they are cultured on Pluronic (nanosegment)-grafted dishes, whereas CSCs are maintained on conventional tissue culture dishes and extracellular matrix-coated dishes. CSCs persist in tumors as a distinct population and cause relapse and metastasis by giving rise to new tumorigenic clones. The purification or depletion (suppression) of CSCs should be useful for analyzing CSC characteristics and for clinical application. CSCs can be selectively suppressed from colon cancer cells containing adipose-derived stem cells (ADSCs) on Pluronic-grafted dishes, while ADSCs remain on the dishes. ADSCs on Pluronic-grafted dishes after the suppression of the CSCs can differentiate into osteoblasts, chondrocytes, adipocytes, cardiomyocytes, and neuronal cells. The CSCs and ADSCs exhibited different characteristics. The selection of ADSCs was possible on Pluronic-grafted dishes that suppressed the CSCs from the fat tissues of cancer patients (i.e., cell-sorting dishes), which was explained by specific biomedical characteristics of Pluronic.
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Affiliation(s)
- Ta-Chun Kao
- Department of Chemical and Materials Engineering, National Central University, Jhongli, Taoyuan, 32001, Taiwan
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Lee HC, Ling QD, Yu WC, Hung CM, Kao TC, Huang YW, Higuchi A. Drug-resistant colon cancer cells produce high carcinoembryonic antigen and might not be cancer-initiating cells. DRUG DESIGN DEVELOPMENT AND THERAPY 2013; 7:491-502. [PMID: 23818760 PMCID: PMC3693723 DOI: 10.2147/dddt.s45890] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Purpose We evaluated the higher levels of carcinoembryonic antigen (CEA) secreted by the LoVo human colon carcinoma cells in a medium containing anticancer drugs. Drug-resistant LoVo cells were analyzed by subcutaneously xenotransplanting them into mice. The aim of this study was to evaluate whether the drug-resistant cells isolated in this study were cancer-initiating cells, known also as cancer stem cells (CSCs). Methods The production of CEA was investigated in LoVo cells that were cultured with 0–10 mM of anticancer drugs, and we evaluated the increase in CEA production by the LoVo cells that were stimulated by anticancer drug treatment. The expression of several CSC markers in LoVo cells treated with anticancer drugs was also evaluated. Following anticancer drug treatment, LoVo cells were injected subcutaneously into the flanks of severe combined immunodeficiency mice in order to evaluate the CSC fraction. Results Production of CEA by LoVo cells was stimulated by the addition of anticancer drugs. Drug-resistant LoVo cells expressed lower levels of CSC markers, and LoVo cells treated with any of the anticancer drugs tested did not generate tumors within 8 weeks from when the cells were injected subcutaneously into severe combined immunodeficiency mice. These results suggest that the drug-resistant LoVo cells have a smaller population of CSCs than the untreated LoVo cells. Conclusion Production of CEA by LoVo cells can be stimulated by the addition of anticancer drugs. The drug-resistant subpopulation of LoVo colon cancer cells could stimulate the production of CEA, but these cells did not act as CSCs in in vivo tumor generation experiments.
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Affiliation(s)
- Hsin-chung Lee
- Graduate Institute of Systems Biology and Bioinformatics, National Central University, Jhongli, Taoyuan
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Surface markers in stem cells and cancer from the perspective of glycomic analysis. Int J Biol Markers 2012; 27:e344-52. [PMID: 23250773 DOI: 10.5301/jbm.2012.10361] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/24/2012] [Indexed: 11/20/2022]
Abstract
Most cancers are detected when patients present with symptoms, and at that point the disease is usually quite advanced and often not curable. Therefore, new biomarkers are needed for detection and therapy. The recent success of using monoclonal antibodies against nonprotein gangliosides for the treatment of high-risk neuroblastoma provides an incentive to search for new glycan-targeted immunotherapies for cancer using markers found through glycomic analysis as targets. Since more than 85% of cell surface components are glycosylated, glycomic analysis is useful to probe systematically the cancer cell surface, in search for novel glycoproteins and glycolipids. Furthermore, cancer cells tend to dedifferentiate and express many oncofetoproteins, since human embryonic stem cells (ESCs) are derived from epiblast of embryo, representing the early stage of normal embryonic development before gastrulation. Unique ESC surface markers are likely to be found in cancer cells, but not in normal mature tissues. Moreover, stem cells and cancer cells share several common features in related regulatory mechanisms and signaling pathways. Thus, identification of the cancer stem cells in cancer and definition of the glycoproteomic changes that accompany their transformation are important for the development of strategies for early detection and treatment of cancer.
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Abstract
The monoclonal antibody against the AC133 epitope of CD133 has been widely used as a cell surface marker of cancer stem cells in several different cancer types. Here, we describe the isolation and characterisation of two RNA aptamers, including the smallest described 15 nucleotide RNA aptamer, which specifically recognise the AC133 epitope and the CD133 protein with high sensitivity. As well, both these aptamers show superior tumour penetration and retention when compared to the AC133 antibody in a 3-D tumour sphere model. These novel CD133 aptamers will aid future development of cancer stem cell targeted therapeutics and molecular imaging.
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Fornaro L, Crea F, Masi G, Di Paolo A, Vivaldi C, Danesi R, Falcone A. Prognostic value of CD133 caused by mutant K-Ras and B-Raf--letter. Clin Cancer Res 2012; 18:4473; author reply 4474. [PMID: 22811585 DOI: 10.1158/1078-0432.ccr-12-1358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Iinuma H, Watanabe T, Mimori K, Tamura J, Adachi M, Hayashi N, Nozawa K, Ishihara S, Matsuda K, Baba H, Fukushima R, Okinaga K, Sasako M, Mori M. Reply to F. Crea et al. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.37.2276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Hisae Iinuma
- Teikyo University School of Medicine, Tokyo, Japan
| | | | - Koshi Mimori
- Medical Institute of Bioregulation, Kyushu University, Oita, Japan
| | - Junko Tamura
- Teikyo University School of Medicine, Tokyo, Japan
| | - Miki Adachi
- International University of Health and Welfare Mita Hospital, Tokyo, Japan
| | | | | | | | | | | | | | - Kota Okinaga
- Teikyo University School of Medicine, Tokyo, Japan
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