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Nishiwaki Y, Kusano T, Hiraiwa T, Ozawa T. Fifteen-year survival of a hepatocellular carcinoma extending into the right atrium treated by surgical resection with the heart-first approach under cardiopulmonary bypass: a case report and review of the literature. Clin J Gastroenterol 2024; 17:118-129. [PMID: 37904033 DOI: 10.1007/s12328-023-01874-y] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 10/03/2023] [Indexed: 11/01/2023]
Abstract
Hepatocellular carcinoma with tumor thrombus in the inferior vena cava extending into the right atrium is rare and associated with poor prognosis in most cases. Although liver resection with thrombectomy is the only curative treatment, there is no consensus on the therapeutic options for managing these rare cases. The patient was a 67-year-old man with hepatocellular carcinoma with tumor thrombus in the right atrium. In February 2003, cavo-atrial thrombectomy was first performed using cardiopulmonary bypass with heparinization and cardiac arrest. After thrombectomy, right hepatectomy was performed. The total operative time was 10 h 48 min. Moreover, the total blood loss was 7267 mL. The patient recovered uneventfully except for right pleural effusion. He was cancer-free for approximately 9 years. A new lesion in the remnant liver was detected in March 2012. He underwent transcatheter arterial chemoembolization, followed by sequential administration of sorafenib and sunitinib. Radiation therapy was also administered. Eventually, the patient expired 6 years after recurrence. Cavo-atrial thrombectomy under cardiopulmonary bypass prior to hepatectomy for hepatocellular carcinoma with tumor thrombus in the right atrium could be performed safely. Aggressive surgery with the heart-first approach and multidisciplinary treatments even after recurrence led to long-term survival.
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Affiliation(s)
- Yoshiro Nishiwaki
- Department of Gastroenterological Surgery, Hamamatsu Medical Center, 328 Tomitsuka-Cho, Naka-Ku, Hamamatsu, 432-8580, Japan.
| | - Toshiomi Kusano
- Chairman of the Board, Tokyo Midtown Clinic, 9-7-1 Akasaka, Minato-Ku, Tokyo, 107-0052, Japan
| | - Takane Hiraiwa
- Department of Cardiovascular Surgery, Hamamatsu Medical Center, 328 Tomitsuka-Cho, Naka-Ku, Hamamatsu, 432-8580, Japan
| | - Takachika Ozawa
- Department of Pathology, Hamamatsu Medical Center, 328 Tomitsuka-Cho, Naka-Ku, Hamamatsu, 432-8580, Japan
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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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T, Tamori Y, Tamura R, Tamura Y, Tan CHH, Tan EZZ, Tanabe A, Tanabe K, Tanaka A, Tanaka A, Tanaka N, Tang S, Tang Z, Tanigaki K, Tarlac M, Tatsuzawa A, Tay JF, Tay LL, Taylor J, Taylor K, Taylor K, Te A, Tenbusch L, Teng KS, Terakawa A, Terry J, Tham ZD, Tholl S, Thomas G, Thong KM, Tietjen D, Timadjer A, Tindall H, Tipper S, Tobin K, Toda N, Tokuyama A, Tolibas M, Tomita A, Tomita T, Tomlinson J, Tonks L, Topf J, Topping S, Torp A, Torres A, Totaro F, Toth P, Toyonaga Y, Tripodi F, Trivedi K, Tropman E, Tschope D, Tse J, Tsuji K, Tsunekawa S, Tsunoda R, Tucky B, Tufail S, Tuffaha A, Turan E, Turner H, Turner J, Turner M, Tuttle KR, Tye YL, Tyler A, Tyler J, Uchi H, Uchida H, Uchida T, Uchida T, Udagawa T, Ueda S, Ueda Y, Ueki K, Ugni S, Ugwu E, Umeno R, Unekawa C, Uozumi K, Urquia K, Valleteau A, Valletta C, van Erp R, Vanhoy C, Varad V, Varma R, Varughese A, Vasquez P, Vasseur A, Veelken R, Velagapudi C, Verdel K, Vettoretti S, Vezzoli G, Vielhauer V, Viera R, Vilar E, Villaruel S, Vinall L, Vinathan J, Visnjic M, Voigt E, von-Eynatten M, Vourvou M, Wada J, Wada J, Wada T, Wada Y, Wakayama K, Wakita Y, Wallendszus K, Walters T, Wan Mohamad WH, Wang L, Wang W, Wang X, Wang X, Wang Y, Wanner C, Wanninayake S, Watada H, Watanabe K, Watanabe K, Watanabe M, Waterfall H, Watkins D, Watson S, Weaving L, Weber B, Webley Y, Webster A, Webster M, Weetman M, Wei W, Weihprecht H, Weiland L, Weinmann-Menke J, Weinreich T, Wendt R, Weng Y, Whalen M, Whalley G, Wheatley R, Wheeler A, Wheeler J, Whelton P, White K, Whitmore B, Whittaker S, Wiebel J, Wiley J, Wilkinson L, Willett M, Williams A, Williams E, Williams K, Williams T, Wilson A, Wilson P, Wincott L, Wines E, Winkelmann B, Winkler M, Winter-Goodwin B, Witczak J, Wittes J, Wittmann M, Wolf G, Wolf L, Wolfling R, Wong C, Wong E, Wong HS, Wong LW, Wong YH, Wonnacott A, Wood A, Wood L, Woodhouse H, Wooding N, Woodman A, Wren K, Wu J, Wu P, Xia S, Xiao H, Xiao X, Xie Y, Xu C, Xu Y, Xue H, Yahaya H, Yalamanchili H, Yamada A, Yamada N, Yamagata K, Yamaguchi M, Yamaji Y, Yamamoto A, Yamamoto S, Yamamoto S, Yamamoto T, Yamanaka A, Yamano T, Yamanouchi Y, Yamasaki N, Yamasaki Y, Yamasaki Y, Yamashita C, Yamauchi T, Yan Q, Yanagisawa E, Yang F, Yang L, Yano S, Yao S, Yao Y, Yarlagadda S, Yasuda Y, Yiu V, Yokoyama T, Yoshida S, Yoshidome E, Yoshikawa H, Young A, Young T, Yousif V, Yu H, Yu Y, Yuasa K, Yusof N, Zalunardo N, Zander B, Zani R, Zappulo F, Zayed M, Zemann B, Zettergren P, Zhang H, Zhang L, Zhang L, Zhang N, Zhang X, Zhao J, Zhao L, Zhao S, Zhao Z, Zhong H, Zhou N, Zhou S, Zhu D, Zhu L, Zhu S, Zietz M, Zippo M, Zirino F, Zulkipli FH. Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Lin K, Goudy L, Pak J, Foster K, Payne E, Ozawa T, de Groot J, Vasudevan H, Raleigh D, Gilbert LA, Berger MS, Liu SJ. CRISPR-Based Epigenome Editing and Genome Wide Screening Define Mediators of Chemotherapy Response in Glioblastoma. Int J Radiat Oncol Biol Phys 2023; 117:S42-S43. [PMID: 37784497 DOI: 10.1016/j.ijrobp.2023.06.316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Alkylating chemotherapies exhibit survival benefit for patients with glioblastoma (GBM), the most common malignant primary brain tumor. CRISPRoff is a programmable epigenetic memory writer that stably and heritably silences any gene through DNA methylation. Epigenetic silencing of MGMT via promoter methylation is predictive of response to alkylating agents as well as prognostic for progression free and overall survival. Here we performed epigenome editing using CRISPRoff to stably silence MGMT through induced promoter methylation, as a therapeutically tractable approach for potentiating GBM to temozolomide (TMZ) or lomustine (CCNU). We then used genome-wide engineered CRISPR/Cas9 systems to broadly define sensitizers of GBM cells to alkylating agents, as a platform to discover novel sensitizing targets. MATERIALS/METHODS Targeted epigenome editing was performed through electroporation of modified mRNAs encoding CRISPRoff machinery comprising deactivated Cas9 fused to a DNA methyltransferase complex, combined with sgRNAs, into MGMT unmethylated GBM cell lines (LN18, T98G) and then treated with either vehicle, TMZ, or CCNU. Parallel experiments were performed through electroporation of sgRNA/Cas9 ribonucleoproteins. Gene silencing was assessed using bisulfite targeted sequencing, RT-qPCR, and western blot. Drug sensitization was determined using luminescent cell viability assays. Genome-wide CRISPR interference (CRISPRi) screens were performed in triplicate cultures. RESULTS Epigenomic silencing of the MGMT promoter through CRISPRoff-induced methylation reduced MGMT transcript levels by 96.7% and generated up to 88-fold sensitization to TMZ mediated cell death in GBM cells, with IC50 superior to GBM cells with baseline methylated MGMT. In addition, CRISPRoff of MGMT induced 20-fold sensitization to CCNU. CRISPRoff methylation of MGMT was equivalent to CRISPR/Cas9 homozygous deletion of the MGMT gene for drug sensitization and was superior to polyclonal Cas9 mediated deletion of MGMT by a factor of 10. To define additional mediators of chemotherapy response in GBM, CRISPRi screens revealed 185 and 266 genetic sensitizers to TMZ treatment in LN18 and T98G cells, respectively, in addition to validating MGMT. One hundred eighty and 238 sensitizers to CCNU were identified in LN18 and T98G cells, respectively. TMZ sensitizing genes conserved across cell lines were enriched for the ATR (i.e., BCRA2), DNA repair (i.e., REV1), and cell cycle pathways (i.e., PSMD13), while CCNU sensitizing genes were enriched for the Fanconi anemia pathway (i.e., FANCI, FANCD2). In contrast, gene hits that resulted in resistance to alkylating agents were enriched for the mismatch repair pathway (i.e., MSH2, PMS2). CONCLUSION We integrate targeted epigenome editing with unbiased genome-wide approaches to build a novel discovery and therapeutic platform in glioblastoma, a framework that is well suited for targeting diseases with known or suspected epigenetic vulnerabilities.
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Affiliation(s)
- K Lin
- University of California, San Francisco, San Francisco, CA
| | - L Goudy
- University of California, San Francisco, San Francisco, CA
| | - J Pak
- University of California, San Francisco, San Francisco, CA
| | - K Foster
- University of California, San Francisco, San Francisco, CA
| | - E Payne
- University of California, San Francisco, San Francisco, CA
| | - T Ozawa
- University of California, San Francisco, San Francisco, CA
| | - J de Groot
- University of California, San Francisco, San Francisco, CA
| | - H Vasudevan
- University of California, San Francisco, Department of Radiation Oncology, San Francisco, CA
| | - D Raleigh
- University of California San Francisco, Department of Radiation Oncology, San Francisco, CA
| | - L A Gilbert
- University of California, San Francisco, San Francisco, CA
| | - M S Berger
- University of California San Francisco, Department of Neurological Surgery, San Francisco, CA
| | - S J Liu
- University of California San Francisco, Department of Radiation Oncology, San Francisco, CA
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Liu SJ, Pak J, Zou C, Payne E, Foster K, Vasudevan H, Casey-Clyde T, Seo K, O'Loughlin T, Wu D, Lim D, Ozawa T, de Groot J, Berger MS, Weiss W, Gilbert LA, Raleigh D. Identifying Gene-Treatment Interactions and Targetable Radiation Vulnerabilities in Glioblastoma through Coupling of In Vivo CRISPR Perturbation and Single Cell Transcriptomics. Int J Radiat Oncol Biol Phys 2023; 117:S102. [PMID: 37784271 DOI: 10.1016/j.ijrobp.2023.06.057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Glioblastoma (GBM) is an incurable brain tumor comprised of dynamic malignant cell states and microenvironment components that underlie treatment resistance. Here we use genome-wide CRISPR/Cas9 functional genomics to define biological drivers and therapeutic vulnerabilities across human and mouse GBM models. To interrogate these mechanisms in the context of the tumor microenvironment and in vivo physiology, we established in vivo Perturb-seq intracranially, a technique coupling functional genomics with single cell transcriptomics, where each cell is an individual experiment. MATERIALS/METHODS Orthotopic intracranial tumor models were established using human (GBM6, GBM43) or mouse (GL261, SB28) GBM cells stably expressing CRISPR interference (CRISPRi) machinery. Perturb-seq target selection for phenotyping of gene-treatment interactions was performed using genome-wide CRISPRi screens ± radiotherapy in cell cultures. Dual sgRNA lentivirus libraries were transduced either ex vivo prior to intracranial GBM cell transplantation or in vivo using intratumor convection enhanced delivery (CED). Transcriptional phenotyping was performed using single-cell RNA-seq with CRISPR direct capture following focal brain radiotherapy (2 Gy x 5) or mock treatment. GBM cell states were validated using single-nucleus RNA-seq data from 86 primary-recurrent patient-matched GBMs. Mechanistic and functional validation was performed using small molecule inhibitors, immunohistochemistry, clonogenic assays, and in vivo survival experiments. RESULTS In vivo Perturb-seq ± radiotherapy of 48 genes underlying GBM radiotherapy responses, which were enriched for DNA damage response and metabolic pathways, was performed in > 425,000 single cells. Radiotherapy induced 16 distinct GBM cell states, and genetic perturbations reprogrammed these cell states in a treatment-dependent fashion. Quantitative modeling of gene/radiotherapy interactions using high dimensional manifolds revealed in vivo-specific genetic dependencies. We revealed a critical role for Prkdc, the catalytic subunit of DNA-dependent protein kinase (DNA-PK), as a radiotherapy sensitizer through regulation of cell intrinsic growth and oxidative stress pathways, and cell extrinsic interferon and signaling pathways that altered cell-cell interactions in vivo. These pathways were also disrupted in single-nucleus RNA-seq analysis of post-radiotherapy human GBM tumors. Inhibition of Prkdc using a Food and Drug Administration approved small molecule sensitized GBM cells to radiotherapy and extended survival in mice harboring human intracranial xenografts. CONCLUSION We establish in vivo Perturb-seq in orthotopic GBM models as a platform for simultaneous functional genomic discovery and characterization of therapeutic targets, revealing an underappreciated role for Prkdc in GBM tumors in vivo that is targetable using small molecules. These tools are adaptable for a wide range of disease models and treatment modalities.
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Affiliation(s)
- S J Liu
- University of California San Francisco, Department of Radiation Oncology, San Francisco, CA
| | - J Pak
- University of California, San Francisco, San Francisco, CA
| | - C Zou
- University of California, San Francisco, San Francisco, CA
| | - E Payne
- University of California, San Francisco, San Francisco, CA
| | - K Foster
- University of California, San Francisco, San Francisco, CA
| | - H Vasudevan
- University of California, San Francisco, Department of Radiation Oncology, San Francisco, CA
| | - T Casey-Clyde
- University of California, San Francisco, San Francisco, CA
| | - K Seo
- University of California San Francisco, SAN FRANCISCO, CA
| | - T O'Loughlin
- Icahn School of Medicine at Mount Sinai, New York, NY
| | - D Wu
- University of California, San Francisco, San Francisco, CA
| | - D Lim
- University of California San Francisco, San Francisco, CA
| | - T Ozawa
- University of California, San Francisco, San Francisco, CA
| | - J de Groot
- University of California, San Francisco, San Francisco, CA
| | - M S Berger
- University of California San Francisco, Department of Neurological Surgery, San Francisco, CA
| | - W Weiss
- University of California, San Francisco, San Francisco, CA
| | - L A Gilbert
- University of California, San Francisco, San Francisco, CA
| | - D Raleigh
- University of California San Francisco, Department of Radiation Oncology, San Francisco, CA
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Fukuyama M, Horie M, Kato K, Ozawa T, Fujii Y, Okuyama Y, Makiyama T, Ohno S, Nakagawa Y. Calmodulinopathy is a common cause of critical cardiac phenotypes in fetus and infancy. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Cardiac calmodulinopathy is a life-threatening arrhythmia syndrome which presents several phenotypes of inherited primary arrhythmia syndrome (IPAS), and caused by mutations in calmodulin-encoded genes (CALM1–3). We aimed clarify the frequency and their clinical characteristics of calmodulinopathy in our IPAS cohort.
Methods
By using next generation sequencing, we screened arrhythmia related genes including calmodulin-encoding genes in 322 unrelated symptomatic children (0–12 years) who were suspected as IPAS; they included 40 cases with lethal arrhythmic attacks (LAE) under 6-year-old. After gene screening, we investigated their physiological and clinical characteristics about mutation carriers.
Results
Among 322 children, we identified 6 mutations of calmodulin-encoded genes in 9 probands (2.8%); one CALM1 in 2 probands (N98S), and 5 CALM2 in 7 probands (E46K, D96V, D96G, N98S, E141K). Their clinical diagnoses were long QT syndrome (LQTS, n=4), catecholaminergic polymorphic ventricular tachycardia (CPVT, n=3) and both (n=2). Their age of diagnosis ranges at 0–9 with the median of 5 years. There were three major clinical phenotypes; 1) CALM2-D96V, and E141K: two infants with advanced atrio-ventricular block, significant QTc prolongation, severe heart failure from their fetal period – both of them deceased within 1.5-year-old. Their clinical phenotypes resembled classical Timothy syndrome caused by CACNA1C mutations. 2) CALM1-N98S (n=2), CALM2-N98S (n=2), and CALM2-D96G: four preschoolers with LAEs and one syncope: all of them were 3–5 years old. In addition, a T wave morphology of CALM2-D96G carrier was very similar to LQT1. 3) CALM2-E46K (n=2): two were first diagnosed with neurological and developmental disorders, and showed phenotype of CPVT: their cardiac phenotypes were milder compared with that of 1) or 2). Overall, these phenotypes seemed to be mutation specific (indicated in figure). Their cardiac features were severer, and the onset of LAEs was earlier compared with other genotypes of LQTS/CPVT. As the treatment, β-blocker was effective for control of LAEs.
Conclusion
Cardiac calmodulinopathy presented serious and potentially lethal phenotypes in fetus or infancy. To prevent cardiac death in them, we must correctly diagnose and start the treatment as earlier as possible.
Funding Acknowledgement
Type of funding sources: Public Institution(s). Main funding source(s): MEXT KAKENHI from the Ministry of Education, Culture, Sports, Science, and Technology of Japan
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Affiliation(s)
- M Fukuyama
- Shiga University of Medical Science, Department of Cardiovascular Medicine , Otsu , Japan
| | - M Horie
- Shiga University of Medical Science, Department of Cardiovascular Medicine , Otsu , Japan
| | - K Kato
- Shiga University of Medical Science, Department of Cardiovascular Medicine , Otsu , Japan
| | - T Ozawa
- Shiga University of Medical Science, Department of Cardiovascular Medicine , Otsu , Japan
| | - Y Fujii
- Shiga University of Medical Science, Department of Cardiovascular Medicine , Otsu , Japan
| | - Y Okuyama
- Shiga University of Medical Science, Department of Cardiovascular Medicine , Otsu , Japan
| | - T Makiyama
- Kyoto University Graduate School of Medicine, Department of Cardiovascular Medicine , Kyoto , Japan
| | - S Ohno
- National Cerebral and Cardiovascular Center, Department of Bioscience and Genetics , Osaka , Japan
| | - Y Nakagawa
- Shiga University of Medical Science, Department of Cardiovascular Medicine , Otsu , Japan
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Nakamura M, Nagase K, Yoshimitsu M, Magara T, Nojiri Y, Kato H, Kobayashi T, Teramoto Y, Yasuda M, Wada H, Ozawa T, Ogata D, Morita A. 262 Glucose-6-Phosphate Dehydrogenase is a Promising Biomarker for Prognosis and Immune Activity Prediction in Merkel Cell Carcinoma. J Invest Dermatol 2021. [DOI: 10.1016/j.jid.2021.08.268] [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: 11/29/2022]
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Ozawa T, Miura N, Hasegawa H, Uemura T, Nakamoto Y, Tsujio M, Takeuchi T, Shiraishi M. Characteristics and outcome of suspected cerebrovascular disease in dogs: 66 cases (2009-2016). J Small Anim Pract 2021; 63:45-51. [PMID: 34585398 DOI: 10.1111/jsap.13422] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 05/27/2021] [Accepted: 08/17/2021] [Indexed: 11/29/2022]
Abstract
OBJECTIVES To characterise the clinical signs of suspected cerebrovascular disease in dogs. MATERIALS AND METHODS Medical records of one hospital were searched from November 2009 to December 2016 for dogs that suffered of cerebrovascular disease. We diagnosed cerebrovascular disease based on acute onset, clinical signs and magnetic resonance imaging findings. The medical history, clinical signs, concurrent disease, area of infarction, cerebrospinal fluid results, month at onset and outcome were investigated in the cerebrovascular disease group and in a control group (dogs with brain disorders other than cerebrovascular disease). RESULTS A total of 122 CVD cases were extracted from the 5312 patients that visited during the study period. Of these 122 cases, 66 (1.2%) matched the subject selection criteria of our study and were included in the analysis. Forebrain infarction was observed in 51 of 66 cases, of which 24 (47.1%) suffered from seizures. The number of dogs diagnosed with cerebrovascular disease was disproportionately high in August (nine of 59 cases) and December (13 of 59 cases). In the outcome survey, deterioration was observed in 11 of 55 cases. CLINICAL SIGNIFICANCE Seizure is an important clinical sign of cerebrovascular disease in dogs. There was a significant seasonal variation in the number of dogs diagnosed with cerebrovascular disease in Japan. Clinical features observed in this report differ from those of previous reports and highlight the need for additional research in this area.
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Affiliation(s)
- T Ozawa
- KyotoAR Veterinary Neurology Center, Kyoto, 613-0036, Japan.,The United Graduate School of Veterinary Science, Yamaguchi University, Yamaguchi, 753-8515, Japan
| | - N Miura
- Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, 890-0065, Japan
| | - H Hasegawa
- KyotoAR Veterinary Neurology Center, Kyoto, 613-0036, Japan
| | - T Uemura
- KyotoAR Veterinary Neurology Center, Kyoto, 613-0036, Japan
| | | | - M Tsujio
- Laboratory of Veterinary Anatomy, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, 890-0065, Japan
| | - T Takeuchi
- Department of Veterinary Laboratory Medicine, School of Veterinary Medicine, Faculty of Agriculture, Tottori University, Tottori, 680-8553, Japan
| | - M Shiraishi
- Department of Veterinary Physiology, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, 890-0065, Japan
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Nakamura M, Nagase K, Yoshimitsu M, Magara T, Nojiri Y, Kato H, Kobayashi T, Teramoto Y, Yasuda M, Wada H, Ozawa T, Umemori Y, Ogata D, Morita A. 045 Glucose-6-phosphate dehydrogenase is a promising predictor of immunotherapy response for Merkel cell carcinoma. J Invest Dermatol 2021. [DOI: 10.1016/j.jid.2021.02.062] [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: 11/29/2022]
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Igawa S, Ono T, Kasajima M, Yamada K, Oguri A, Kameda A, Yamamoto H, Kakegawa M, Hiyoshi Y, Kusuhara S, Ozawa T, Otani S, Fukui T, Mitsufuji H, Masaru K, Yokoba M, Kubota M, Sasaki J, Naoki K. P76.55 Real-world Experience of the Utility in Afatinib Therapy for Patients with EGFR-Mutant Advanced NSCLC. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.1112] [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: 10/21/2022]
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Ono T, Igawa S, Yamada K, Kameda A, Oguri A, Yamamoto H, Manabe H, Ozawa T, Kusuhara S, Kasajima M, Kakegawa M, Otani S, Fukui T, Sasaki J, Naoki K. P76.53 Impact of Neutrophil-to-Lymphocyte Ratio in Patients with EGFR-Mutant NSCLC Treated with Tyrosine Kinase Inhibitors. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.1110] [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: 11/24/2022]
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Taguchi Y, Hara T, Tamura H, Ogiku M, Watahiki M, Takagi T, Harada T, Miyazaki S, Hayashi T, Kanai T, Mori H, Ozawa T, Nishiwaki Y. Malignant solitary fibrous tumor of the pancreas: a case report. Surg Case Rep 2020; 6:287. [PMID: 33188464 PMCID: PMC7666235 DOI: 10.1186/s40792-020-01067-6] [Citation(s) in RCA: 4] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 11/05/2020] [Indexed: 12/21/2022] Open
Abstract
Background Solitary fibrous tumors (SFTs) are rare tumors, mostly derived from connective tissue mesenchymal cells that arise from the pleura. There are very few reports of primary pancreatic SFT. Preoperative diagnosis is difficult owing to the lack of distinctive radiological findings. We report a case of pancreatic SFT with particularly rare malignant findings. Case presentation A 60-year-old man was referred to the hospital because of a right upper quadrant mass and abnormal liver function test results. Contrast-enhanced computed tomography (CT) showed a well-defined enhanced tumor measuring approximately 8 cm in the pancreatic head. Magnetic resonance imaging (MRI) showed T1WI hypointensity, T2WI hyperintensity, and DWI hyperintensity. The main pancreatic duct and common bile duct were dilated owing to obstruction by the tumor. The following tumor markers were mildly elevated: carcinoembryonic antigen (CEA), carbohydrate antigen 19-9 (CA19-9), SPan-1, and DUPAN-2. The histological diagnosis obtained by endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) was negative for pancreatic ductal carcinoma, malignant lymphoma and neuroendocrine tumor, suggesting the possibility of mesenchymal tumor, but the diagnosis was not confirmed. The patient was judged suitable for surgery and underwent subtotal stomach-preserving pancreatoduodenectomy with D2 lymph node dissection. On histopathological examination of the resected specimen, infiltrating spindle-shaped cells had proliferated, containing numerous mitotic figures, with necrotic findings inside the tumor. Immunostaining was positive for cluster of differentiation-34 (CD34), B cell CLL/lymphoma-2 (Bcl-2), and signal transducer and activator of transcription (STAT6). On the basis of these findings, a diagnosis of malignant pancreatic SFT was made. The patient remains free of recurrent disease after 12 months of follow-up without adjuvant therapy and he is being carefully followed up as an outpatient. Conclusions We experienced a case of malignant pancreatic head SFT. Immunohistochemical staining of the extracted specimens was useful for diagnosis.
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Affiliation(s)
- Yuka Taguchi
- Department of Gastroenterological Surgery, Hamamatsu Medical Center, 328 Tomitsukacho, Naka-ku, Hamamatsu city, Shizuoka, 432-8580, Japan
| | - Takanobu Hara
- Department of Gastroenterological Surgery, Hamamatsu Medical Center, 328 Tomitsukacho, Naka-ku, Hamamatsu city, Shizuoka, 432-8580, Japan. .,Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki City, Nagasaki, 852-8501, Japan.
| | - Hiroaki Tamura
- Department of Gastroenterological Surgery, Hamamatsu Medical Center, 328 Tomitsukacho, Naka-ku, Hamamatsu city, Shizuoka, 432-8580, Japan
| | - Masahito Ogiku
- Department of Gastroenterological Surgery, Hamamatsu Medical Center, 328 Tomitsukacho, Naka-ku, Hamamatsu city, Shizuoka, 432-8580, Japan
| | - Mana Watahiki
- Department of Gastroenterological Surgery, Hamamatsu Medical Center, 328 Tomitsukacho, Naka-ku, Hamamatsu city, Shizuoka, 432-8580, Japan
| | - Toru Takagi
- Department of Gastroenterological Surgery, Hamamatsu Medical Center, 328 Tomitsukacho, Naka-ku, Hamamatsu city, Shizuoka, 432-8580, Japan
| | - Takashi Harada
- Department of Gastroenterological Surgery, Hamamatsu Medical Center, 328 Tomitsukacho, Naka-ku, Hamamatsu city, Shizuoka, 432-8580, Japan
| | - Shinichiro Miyazaki
- Department of Gastroenterological Surgery, Hamamatsu Medical Center, 328 Tomitsukacho, Naka-ku, Hamamatsu city, Shizuoka, 432-8580, Japan
| | - Tadataka Hayashi
- Department of Gastroenterological Surgery, Hamamatsu Medical Center, 328 Tomitsukacho, Naka-ku, Hamamatsu city, Shizuoka, 432-8580, Japan
| | - Toshikazu Kanai
- Department of Gastroenterological Surgery, Hamamatsu Medical Center, 328 Tomitsukacho, Naka-ku, Hamamatsu city, Shizuoka, 432-8580, Japan
| | - Hiroki Mori
- Department of Pathology, Hamamatsu Medical Center, 328 Tomitsuka-cho, Naka-ku, Hamamatsu city, Shizuoka, 432-8580, Japan
| | - Takachika Ozawa
- Department of Pathology, Hamamatsu Medical Center, 328 Tomitsuka-cho, Naka-ku, Hamamatsu city, Shizuoka, 432-8580, Japan
| | - Yoshiro Nishiwaki
- Department of Gastroenterological Surgery, Hamamatsu Medical Center, 328 Tomitsukacho, Naka-ku, Hamamatsu city, Shizuoka, 432-8580, Japan
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13
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Kato K, Ohno S, Sonoda K, Makiyama T, Ozawa T, Horie M. Splice site mutation of LMNA causes severe dilated cardiomyopathy via strong dominant reduction of total lamin expression. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.0333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Objective
LMNA is a known causative gene of dilated cardiomyopathy (DCM) and familial cardiac conduction disturbance (CCD). Genetic variants affecting the pre-mRNA splicing process often lead to premature stop codons and result in nonsense-mediated mRNA decay (NMD), followed by degradation of mutated alleles. The misssense variant LMNA c. 936G>C was previously reported in a French family affected by muscular dystrophy, CCD, and DCM, but no detailed analysis has been performed. We so far identified the same variant in two Japanese families affected by CCD and DCM. In this study, we investigated the molecular consequences of the variant located at the last codon of LMNA exon5 to demonstrate its pathogenicity.
Methods
Genomic DNA and total RNA were isolated from patients' peripheral blood lymphocytes or cardiac tissue. LMNA-coding exons were screened by direct sequencing. Complementary DNAs (cDNAs) were generated by reverse transcription PCR from RNA. Quantitative PCR (qPCR) was performed to quantify the LMNA cDNA amount by using specific primers for lamins A and C. The protein expressions of both isoforms were analyzed by western blotting.
Results
We detected the heterozygous LMNA c.936 G>C (p. Q312H) variant at the end of exon 5 by genomic DNA sequencing in two unrelated Japanese families (figure. pedigree) affected by DCM and CCD. In a genomic database survey, we did not find the variant in either gnomAD, TogoVar, or the Human Genetic Variation Database. The two commonly used splice site predictor tools, NetGene2 and FSPLICE, estimated that this site was a splice donor site. Sequencing of cDNA demonstrated that the mutated allele was absent. By qPCR assay, we confirmed a 90% reduction in LMNA cDNA. Western blot analysis revealed that lamin A and C expression was reduced far more than 50% (figure. western blot).
Conclusions
We report a LMNA missense mutation found in two families, which disrupts a normal splicing site, leads to NMD, and resulted in severe cardiac laminopathy. The drastic reductions of lamin expression at the cDNA and protein levels suggested that other co-existing mechanisms may also have suppressed the expression of the healthy wild type allele.
Pedigree and western blot assay
Funding Acknowledgement
Type of funding source: Public grant(s) – National budget only. Main funding source(s): Japan Society for the Promotion of Science KAKENHI
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Affiliation(s)
- K Kato
- Shiga University of Medical Science, Cardiovascular and Respiratory Medicine, Otsu, Japan
| | - S Ohno
- National Cerebral and Cardiovascular Center, Department of Bioscience and Genetics, Osaka, Japan
| | - K Sonoda
- National Cerebral and Cardiovascular Center, Department of Bioscience and Genetics, Osaka, Japan
| | | | - T Ozawa
- Shiga University of Medical Science, Cardiovascular and Respiratory Medicine, Otsu, Japan
| | - M Horie
- Shiga University of Medical Science, Center for Epidemiologic Research in Asia, Otsu, Japan
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14
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Suda M, Shimizu I, Katsuumi G, Yoshida Y, Hayashi Y, Nakao M, Ikegami R, Furuuchi R, Ozawa T, Ozaki K, Minamino T. Elimination of senescent cells targeting Senescence associated glycoprotein (SAGP) improved the ageing-associated diseases and extended the lifespan. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.3573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Cellular senescence entails an irreversible growth arrest and a pro-inflammatory secretory phenotype, which contributes to aging-associated disorders such as atherosclerosis and diabetes, however, underlying mechanisms are largely unknown. In this study, we identified a novel protein, senescence-associated glycoprotein (SAGP), as a biomarker of cellular senescence and we also found that elimination of senescent cells targeting SAGP attenuated aging-associated disorders such as atherosclerosis, diabetes and frailty.
First, we identified that SAGP as a senescent marker by microarray analysis of senescent human endothelial cells compared with young endothelial cells. The expression of SAGP was significantly increased in the aorta of chronological aging mice and ApoE-knockout mice. Then we measured SAGP expression in the patients registered in our hospital and found that mean SAGP expression was significantly higher in patients with atherosclerotic diseases compared to patients without atherosclerotic diseases. These data suggest that SAGP would become the novel marker of cellular senescence and/or aging-associated disorders.
We found SAGP co-localized with lysosome and bound to V-ATPase, proton pump in the acid organelles such as lysosome. The electron microscopy analysis revealed that the dysfunctional lysosomes were accumulated in SAGP knockdown endothelial cell. The genetic deletion of SAGP resulted in the increase of lysosomal pH and the suppression of mitochondrial autophagy, mitophagy. And this associated with the high level of mitochondrial reactive oxygen species (ROS) and promoted premature senescence in human endothelial cells. These data suggest that SAGP was induced by the lysosomal stress in the senescent cells to protects senescent cells by maintaining the lysosomal homeostasis.
Recently, it is reported that elimination of senescent cells (senolysis) reversibly improved pathological aging phenotypes and also extended the lifespan. We established senolytic therapy targeting SAGP. We generated SAGP-DTR (diphtheria toxin receptor) transgenic mice, in which we could eliminate the SAGP- positive senescent cells using DT (diphtheria toxin). We found elimination of SAGP positive senescent cells significantly reduced the atherosclerotic plaque burden in the aorta of ApoE-KO mice and improved the glucose metabolism of dietary obese mice, indicating that SAGP could be a useful target for senolytic therapy. For clinical implication, we then developed a cytotoxic vaccine targeting SAGP. Treatment with SAGP vaccine successfully eliminated SAGP positive senescent cells and attenuated atherosclerosis and metabolic dysfunction. Surprisingly, administration of SAGP vaccine to Zmpste24-KO mice, premature aging mice, extended the lifespan. These data indicate that targeting SAGP-positive cells could be a novel strategy for senolytic therapy.
Effect of SAGP vaccine
Funding Acknowledgement
Type of funding source: Public grant(s) – National budget only. Main funding source(s): Grant-in-Aid for Scientific Research by Japan Society for the Promotion of Science (JSPS)
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Affiliation(s)
- M Suda
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - I Shimizu
- Niigata University, Division of molecular aging and cell biology, Niigata, Japan
| | - G Katsuumi
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Y Yoshida
- Niigata University, Division of molecular aging and cell biology, Niigata, Japan
| | - Y Hayashi
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - M Nakao
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - R Ikegami
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - R Furuuchi
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - T Ozawa
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - K Ozaki
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - T Minamino
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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15
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Jujo K, Kagiyama N, Kamiya K, Saito H, Saito K, Ogasahara Y, Maekawa E, Konishi M, Kitai T, Iwata K, Wada H, Kasai T, Nagamatsu H, Ozawa T, Matsue Y. Social frailty provides additive prognostic impact on one-year outcome in aged patients with congestive heart failure. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.1152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Frailty is associated with multisystem declines in physiologic reserve and increased vulnerability to stressors, resulting in increased risks of adverse clinical outcomes in patients with heart failure (HF). Although frailty is conceptualized as an accumulation of deficits in multiple areas, most of the studies have focused mainly on physical frailty, and the social domains is one of the least investigated area.
Objectives
We prospectively evaluated the incidence and prognostic implication of social frailty (SF) in older patients with HF.
Methods
The FRAGILE-HF is a multicenter, prospective cohort study including patients hospitalized for HF and aged ≥65 years old. We defined SF by Makizako's 5 items, which are 5 questions proposed and validated to be associated with future disability. The primary endpoint of this study was a composite of death from any cause and rehospitalization due to HF. The impact of SF on all-cause mortality alone was also evaluated.
Results
Among 1,240 hospitalized HF patients, 5 simple questions revealed that 825 (66.5%) were in SF. During 1-year observation period after the discharge, the combined endpoint was observed in 399 (32.2%) patients, and 145 (11.7%) patients died. Kaplan-Meier analysis showed that SF patients had significantly higher rates of both the combined endpoint and all-cause mortality than those without SF (Log-rank test: p<0.05 for both, Figures). Moreover, SF remained independently associated with higher event rate of the combined endpoint (hazard ratio: 1.30; 95% confidence interval: 1.02 to 1.66; p=0.038) and all-cause mortality (hazard ratio: 1.53; 95% confidence interval: 1.01 to 2.30; p=0.044), even after adjusting for other covariates. Significant incremental prognostic value was shown when information on social frailty was added to known risk factors for combined endpoint (NRI: 0.189, 95% confidence interval: 0.063–0.316, p=0.003) and all-cause mortality (NRI: 0.234, 95% confidence interval: 0.073–0.395, p=0.004).
Conclusions
Among older hospitalized patients with heart failure, two-thirds of the population was with SF. Evaluating SF provides additive prognostic information in elderly patients with heart failure.
Funding Acknowledgement
Type of funding source: Private grant(s) and/or Sponsorship. Main funding source(s): Novartis Pharma Research Grants, Japan Heart Foundation Research Grant
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Affiliation(s)
- K Jujo
- Tokyo Women's Medical University, Tokyo, Japan
| | - N Kagiyama
- West Virginia Institute Heart and Vascular Institute, Morgantown, United States of America
| | - K Kamiya
- Kitasato University, Rehabilitation, Tokyo, Japan
| | - H Saito
- Kameda Medical Center, Chiba, Japan
| | - K Saito
- The Sakakibara Heart Institute of Okayama, Okayama, Japan
| | - Y Ogasahara
- The Sakakibara Heart Institute of Okayama, Okayama, Japan
| | - E Maekawa
- Kitasato University, Nursing, Tokyo, Japan
| | - M Konishi
- Yokohama City University Medical Center, Yokohama, Japan
| | - T Kitai
- Kobe City Medical Center General Hospital, Kobe, Japan
| | - K Iwata
- Kobe City Medical Center General Hospital, Kobe, Japan
| | - H Wada
- Jichi Medical University Saitama Medical Center, Saitama, Japan
| | - T Kasai
- Juntendo University School of Medicine, Tokyo, Japan
| | - H Nagamatsu
- Tokai University School of Medicine, Kanagawa, Japan
| | - T Ozawa
- Odawara Municipal Hospital, Rehabilitation, Kanagawa, Japan
| | - Y Matsue
- Juntendo University School of Medicine, Tokyo, Japan
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16
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Real B, Jamadi O, Milićević M, Pernet N, St-Jean P, Ozawa T, Montambaux G, Sagnes I, Lemaître A, Le Gratiet L, Harouri A, Ravets S, Bloch J, Amo A. Semi-Dirac Transport and Anisotropic Localization in Polariton Honeycomb Lattices. Phys Rev Lett 2020; 125:186601. [PMID: 33196264 DOI: 10.1103/physrevlett.125.186601] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 09/16/2020] [Indexed: 06/11/2023]
Abstract
Compression dramatically changes the transport and localization properties of graphene. This is intimately related to the change of symmetry of the Dirac cone when the particle hopping is different along different directions of the lattice. In particular, for a critical compression, a semi-Dirac cone is formed with massless and massive dispersions along perpendicular directions. Here we show direct evidence of the highly anisotropic transport of polaritons in a honeycomb lattice of coupled micropillars implementing a semi-Dirac cone. If we optically induce a vacancylike defect in the lattice, we observe an anisotropically localized polariton distribution in a single sublattice, a consequence of the semi-Dirac dispersion. Our work opens up new horizons for the study of transport and localization in lattices with chiral symmetry and exotic Dirac dispersions.
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Affiliation(s)
- B Real
- Univ. Lille, CNRS, UMR 8523-PhLAM-Physique des Lasers Atomes et Molécules, F-59000 Lille, France
| | - O Jamadi
- Univ. Lille, CNRS, UMR 8523-PhLAM-Physique des Lasers Atomes et Molécules, F-59000 Lille, France
| | - M Milićević
- Université Paris-Saclay, CNRS, Centre de Nanosciences et de Nanotechnologies, 91120, Palaiseau, France
| | - N Pernet
- Université Paris-Saclay, CNRS, Centre de Nanosciences et de Nanotechnologies, 91120, Palaiseau, France
| | - P St-Jean
- Université Paris-Saclay, CNRS, Centre de Nanosciences et de Nanotechnologies, 91120, Palaiseau, France
| | - T Ozawa
- Advanced Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
- Interdisciplinary Theoretical and Mathematical Sciences Program (iTHEMS), RIKEN, Wako, Saitama 351-0198, Japan
| | - G Montambaux
- Université Paris-Saclay, CNRS, Laboratoire de Physique des Solides, 91405, Orsay, France
| | - I Sagnes
- Université Paris-Saclay, CNRS, Centre de Nanosciences et de Nanotechnologies, 91120, Palaiseau, France
| | - A Lemaître
- Université Paris-Saclay, CNRS, Centre de Nanosciences et de Nanotechnologies, 91120, Palaiseau, France
| | - L Le Gratiet
- Université Paris-Saclay, CNRS, Centre de Nanosciences et de Nanotechnologies, 91120, Palaiseau, France
| | - A Harouri
- Université Paris-Saclay, CNRS, Centre de Nanosciences et de Nanotechnologies, 91120, Palaiseau, France
| | - S Ravets
- Université Paris-Saclay, CNRS, Centre de Nanosciences et de Nanotechnologies, 91120, Palaiseau, France
| | - J Bloch
- Université Paris-Saclay, CNRS, Centre de Nanosciences et de Nanotechnologies, 91120, Palaiseau, France
| | - A Amo
- Univ. Lille, CNRS, UMR 8523-PhLAM-Physique des Lasers Atomes et Molécules, F-59000 Lille, France
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17
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Jiang J, Yang Y, Schulze C, Evans J, Wang Z, Lee B, Choy T, Reyes D, Zhao R, Tao J, Du H, Ozawa T, Wildes D, Raleigh D, Wang Z, Monga S, Kwiatkowski D, Weiss W, Smith J, Singh M. Optimal therapeutic positioning of a selective bi-steric inhibitor of MTORC1 in genetically defined cancers. Eur J Cancer 2020. [DOI: 10.1016/s0959-8049(20)31217-x] [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: 10/23/2022]
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18
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Shen W, Bacha J, Kanekal S, Sankar N, ZhenZhong W, Yoshida Y, Ozawa T, Yao T, Parsa A, Raizer J, Cheng S, Stegh A, Giles F, Pedersen H, Sakaria J, Butowski N, James C, Brown D. A41 EO1001: A First-in-Class Irreversible Pan-ErbB Inhibitor with Excellent Brain Penetration. J Thorac Oncol 2020. [DOI: 10.1016/j.jtho.2019.12.125] [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: 11/24/2022]
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19
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Yamasaki K, Nakano Y, Nobusawa S, Okuhiro Y, Fukushima H, Inoue T, Murakami C, Hirato J, Kunihiro N, Matsusaka Y, Honda-Kitahara M, Ozawa T, Shiraishi K, Kohno T, Ichimura K, Hara J. Spinal cord astroblastoma with an EWSR1-BEND2 fusion classified as a high-grade neuroepithelial tumour with MN1 alteration. Neuropathol Appl Neurobiol 2020; 46:190-193. [PMID: 31863478 DOI: 10.1111/nan.12593] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 12/17/2019] [Indexed: 12/28/2022]
Affiliation(s)
- K Yamasaki
- Department of Pediatric Hematology and Oncology, Osaka City General Hospital, Osaka, Japan.,Division of Brain Tumour Translational Research, National Cancer Center Research Institute, Tokyo, Japan
| | - Y Nakano
- Division of Brain Tumour Translational Research, National Cancer Center Research Institute, Tokyo, Japan
| | - S Nobusawa
- Department of Human Pathology, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - Y Okuhiro
- Department of Pediatric Hematology and Oncology, Osaka City General Hospital, Osaka, Japan
| | - H Fukushima
- Department of Pathology, Osaka City General Hospital, Osaka, Japan
| | - T Inoue
- Department of Pathology, Osaka City General Hospital, Osaka, Japan
| | - C Murakami
- Department of Human Pathology, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - J Hirato
- Department of Human Pathology, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - N Kunihiro
- Department of Pediatric Neurosurgery, Osaka City General Hospital, Osaka, Japan
| | - Y Matsusaka
- Department of Pediatric Neurosurgery, Osaka City General Hospital, Osaka, Japan
| | - M Honda-Kitahara
- Division of Brain Tumour Translational Research, National Cancer Center Research Institute, Tokyo, Japan
| | - T Ozawa
- Division of Brain Tumour Translational Research, National Cancer Center Research Institute, Tokyo, Japan
| | - K Shiraishi
- Division of Translational Genomics, National Cancer Center Research Institute, Tokyo, Japan
| | - T Kohno
- Division of Translational Genomics, National Cancer Center Research Institute, Tokyo, Japan
| | - K Ichimura
- Division of Brain Tumour Translational Research, National Cancer Center Research Institute, Tokyo, Japan
| | - J Hara
- Department of Pediatric Hematology and Oncology, Osaka City General Hospital, Osaka, Japan
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20
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Suda M, Shimizu I, Yoshida Y, Katsuumi G, Hayashi Y, Ikegami R, Furuuchi R, Nakao M, Ozawa T, Minamino T. 5892Elimination of cells expressing Senescence associated glycoprotein (SAGP) attenuates the atherosclerotic diseases. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Cellular senescence is defined as a state of irreversible growth arrest and is accompanied by changes of both cell morphology and gene expression. Although accumulation of senescent vascular endothelial cells impair the vessel homeostasis and promote atherosclerotic diseases, underlying mechanisms are largely unknown. In this study, we identified a novel protein, senescence-associated glycoprotein (SAGP), as a biomarker of cellular senescence and we found modulation of SAGP or elimination of senescent cells targeting SAGP would become a novel therapy for atherosclerotic diseases.
We found that SAGP expression was significantly increased in human endothelial cells undergoing replicative senescence compared with young endothelial cells. We also found SAGP expression in aorta was significantly increased both in chronological aging mice or ApoE knockout mice. Furthermore, we measured SAGP expression in patients registered in our hospital and found that mean SAGP expression was significantly higher in patients with atherosclerotic diseases compared to patients without atherosclerotic diseases.These data suggest that SAGP would become a novel cellular senescence and/or atherosclerotic disease marker.
Genetic deletion of SAGP resulted in high level of mitochondrial reactive oxygen species (ROS) and promoted premature senescence in human endothelial cells. And this associated with suppression of mitochondrial autophagy, mitophagy. We found SAGP co-localized with lysosome by immunocytochemistry. In addition, the electron microscopy analysis revealed that the dysfunctional lysosomes were accumulated in SAGP knockdown endothelial cell, suggesting that SAGP maintain lysosomal homeostasis.
Next, wegenerated ApoE-KO/ SAGP overexpression mice and found that atherosclerotic plaque burden was attenuated in these double-transgenic mice. In contrast, SAGP/ApoE double knockout mice showed progression in atherosclerosis. These data suggest that modulation of SAGPwould become a new therapeutic target for atherosclerotic diseases.
SAGP vaccine
Recently, it is reported that elimination of senescent cells (senolysis) reversibly improved pathological aging phenotypes and also extended the lifespan. We have taken another approach for atherosclerotic diseases, senolytic therapy targeting SAGP. We generated SAGP-DTR (diphtheria toxin receptor) transgenic mice, in which we could eliminate the SAGP- positive senescent cells using DT (diphtheria toxin). We found elimination of SAGP positive senescent cells significantly reduced the atherosclerotic plaque burden, indicating that SAGP would become a useful target for senolytic therapy. We then developed a cytotoxic vaccine targeting SAGP. Treatment with SAGP vaccine successfully eliminated SAGP positive senescent cells. Administration of SAGP vaccine to ApoE-KO mice significantly reduced atherogenesis. These data indicate that targeting SAGP-positive cells could become a strategy for senolytic therapy.
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Affiliation(s)
- M Suda
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - I Shimizu
- Niigata University, Division of molecular aging and cell biology, Niigata, Japan
| | - Y Yoshida
- Niigata University, Division of molecular aging and cell biology, Niigata, Japan
| | - G Katsuumi
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Y Hayashi
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - R Ikegami
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - R Furuuchi
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - M Nakao
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - T Ozawa
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - T Minamino
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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21
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Igawa S, Ono T, Ozawa T, Sone H, Kusuhara S, Harada S, Ishihara M, Kasajima M, Hiyoshi Y, Fukui T, Kubota M, Sasaki J, Mitsufuji H, Naoki K. EP1.01-68 Impact of EGFR Genotype on the Efficacy of Osimertinib in Patients with Non-Small Cell Lung Cancer: A Prospective Observational Study. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.2041] [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: 10/25/2022]
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22
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Okuyama Y, Ashihara T, Ozawa T, Fujii Y, Kato K, Sugimoto Y, Nakagawa Y. P4764Relationship of the duration of pulmonary vein isolation-refractory non-paroxysmal atrial fibrillation to the middle- to long-term outcome of the ExTRa Mapping-guided ablation. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.1140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
It is reported that for patients with non-paroxysmal (persistent or long-standing persistent) atrial fibrillation (Non-PAF), extended ablation to atrial walls in addition to pulmonary vein isolation (PVI) did not improve the long-term outcome. On the other hand, modulation of Non-PAF drivers (or perpetuators) has been proposed as one of the alternative effective ablation strategies for Non-PAF.
Purpose
To clarify whether the rotor ablation under online real-time high-density phase mapping system is effective for PVI-refractory Non-PAF ablation.
Methods
Under such circumstances, our academic group had recently developed the online real-time high-density phase mapping system (ExTRa Mapping™) by industrial alliance. The phase map moving images were based on 41 intra-atrial bipolar signals recorded by a 20-pole spiral-shaped catheter (2.5 cm in diameter) and on in silicorapid prediction of spatio-temporal atrial excitations (artificial intelligence system). Then we applied the ExTRa Mapping to clinical practice in order to directly visualize rotors in patients with Non-PAF, and investigated the middle- to long-term outcome of the ExTRa Mapping-guided rotor ablation (ExTRa-ABL).
Results
Thirty-eight patients (63±8 y/o, 30 males) with Non-PAF demonstrating refractoriness to PVI were enrolled in this study. Ablation for cavo-tricuspid isthmus and/or superior vena cava isolation was additionally performed at physicians' discretion. After these procedures, the ExTRa-ABL was performed in order to modify Non-PAF substrates, causing rotor control. The modification of the rotors was evaluated by re-mapping with the use of the ExTRa Mapping at the end of each ablation session. Patients were followed at 1, 3, 6 months and every year after the procedure. All of them were followed for 21±8 months. During the follow-up period, Non-PAF was recurred in only 8 of 38 (21%). Furthermore, we found if PVI-refractory Non-PAF duration was shorter than 6 years, the non-recurrence rate remained ≥80% (see Figure), which was markedly better outcome comparing with previous reports with regard to Non-PAF ablation.
Figure 1
Conclusion
Comparing with conventional Non-PAF ablation strategies, our novel approach with the use of the online real-time high-density phase mapping system might improve medium- to long-term outcome of PVI-refractory Non-PAF treatment.
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Affiliation(s)
- Y Okuyama
- Shiga University of Medical Science, Department of Cardiovascular Medicine, Otsu, Japan
| | - T Ashihara
- Shiga University of Medical Science, Department of Cardiovascular Medicine, Department of Medical Informatics and Biomedical Engineering, Otsu, Japan
| | - T Ozawa
- Shiga University of Medical Science, Department of Cardiovascular Medicine, Otsu, Japan
| | - Y Fujii
- Shiga University of Medical Science, Department of Cardiovascular Medicine, Otsu, Japan
| | - K Kato
- Shiga University of Medical Science, Department of Cardiovascular Medicine, Otsu, Japan
| | - Y Sugimoto
- Shiga University of Medical Science, Department of Medical Informatics and Biomedical Engineering, Otsu, Japan
| | - Y Nakagawa
- Shiga University of Medical Science, Department of Cardiovascular Medicine, Department of Medical Informatics and Biomedical Engineering, Otsu, Japan
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Nakamura M, Teramoto Y, Yasuda M, Wada H, Ozawa T, Umemori Y, Ogata D, Kobayashi T, Hata M, Morita A. 131 Loss of PD-L1 expression in metastatic Merkel cell carcinoma strongly correlates with a poor prognosis. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.03.207] [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: 11/16/2022]
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Suda M, Shimizu I, Yoshida Y, Hayashi Y, Katsuumi G, Ikegami R, Wakasugi T, Nagasawa A, Nakao M, Furuuchi R, Ujiie A, Ozawa T, Minamino T. P595Senescence-associated glycoprotein (SAGP) inhibits age-related endothelial dysfunction by the activation of mitophagy in vascular diseases. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- M Suda
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - I Shimizu
- Niigata University, Division of molecular aging and cell biology, Niigata, Japan
| | - Y Yoshida
- Niigata University, Division of molecular aging and cell biology, Niigata, Japan
| | - Y Hayashi
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - G Katsuumi
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - R Ikegami
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - T Wakasugi
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - A Nagasawa
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - M Nakao
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - R Furuuchi
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - A Ujiie
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - T Ozawa
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - T Minamino
- Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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Farag AM, Ozawa T, Mammen EF. Gerinnungsbestimmungen am Zentrifugalanalysator - Messungen mit chromogenen Substraten und mit der Fibringerinnung. Hamostaseologie 2018. [DOI: 10.1055/s-0038-1660274] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Abstract
ZusammenfassungZiel aller traditionellen Gerinnungstests ist die Fibrinogenumwandlung in Fibrin durch Thrombin. Die Gerinnselbildung wird entweder mechanisch oder photooptisch gemessen. Die Entwicklung chromogener Substrate zur Bestimmung von Gerinnungsenzymen hat eine spektrophotometrische Erfassung der Enzymreaktionen ermöglicht, die zur Automatisierung der Analysen mittels Zentrifugalanalysatoren im klinisch chemischen Laboratorium geführt hat.Das von Instrumentation Laboratory (IL) entwickelte Automated Coagulation Laboratory (ACL)-System bietet Zentrifugalanalysatoren, die nicht nur Fibringerinnungstests, sondern auch chromogene Substrattests weitgehend automatisch durchführen (ACL 200, und 300 und 300 Research). Die Tests sind bei den 200und 300-Geräten vorprogrammiert, mit dem 300-Research-Gerät ist dagegen diese Vorprogrammierung zu umgehen. Somit können mit dem Gerät fast unbegrenzt neue Einphasenoder Zweiphasentests unter Verwendung von Gerinnungsverfahren oder chromogenen Substraten entwickelt werden. Das ACL-System ist einfach zu bedienen, hat eine ausgezeichnete Präzision und Reproduzierbarkeit und wirkt durch Automatisierung und niedrige Testvolumina kostendämpfend.
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Ozawa T, Matsuyama T, Toiyama Y, Takahashi N, Ishikawa T, Uetake H, Yamada Y, Kusunoki M, Calin G, Goel A. CCAT1 and CCAT2 long noncoding RNAs, located within the 8q.24.21 'gene desert', serve as important prognostic biomarkers in colorectal cancer. Ann Oncol 2018; 28:1882-1888. [PMID: 28838211 DOI: 10.1093/annonc/mdx248] [Citation(s) in RCA: 133] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Background 8q24.21 is a frequently amplified genomic region in colorectal cancer (CRC). This region is often referred to as a 'gene desert' due to lack of any important protein-coding genes, highlighting the potential role of noncoding RNAs, including long noncoding RNAs (lncRNAs) located around the proto-oncogene MYC. In this study, we have firstly evaluated the clinical significance of altered expression of lncRNAs mapped to this genomic locus in CRC. Patients and methods A total of 300 tissues, including 280 CRC and 20 adjacent normal mucosa specimens were evaluated for the expression of 12 lncRNAs using qRT-PCR assays. We analyzed the associations between lncRNA expression and various clinicopathological features, as well as with recurrence free survival (RFS) and overall survival (OS) in two independent cohorts. Results The expression of CCAT1, CCAT1-L, CCAT2, PVT1, and CASC19 were elevated in cancer tissues (P = 0.039, <0.001, 0.018, <0.001, 0.002, respectively). Among these, high expression of CCAT1 and CCAT2 was significantly associated with poor RFS (P = 0.049 and 0.022, respectively) and OS (P = 0.028 and 0.015, respectively). These results were validated in an independent patient cohort, in which combined expression of CCAT1 and CCAT2 expression was significantly associated with a poor RFS (HR:2.60, 95% confidence interval [CI]: 1.04-6.06, P = 0.042) and a poor OS (HR:8.38, 95%CI: 2.68-37.0, P < 0.001). We established a RFS prediction model which revealed that combined expression of CCAT1, CCAT2, and carcinoembryonic antigen was a significant determinant for efficiently predicting RFS in stage II (P = 0.034) and stage III (P = 0.001) CRC patients. Conclusions Several lncRNAs located in 8q24.21 locus are highly over-expressed in CRC. High expression of CCAT1 and CCAT2 significantly associates with poor RFS and OS. The expression of these two lncRNAs independently, or in combination, serves as important prognostic biomarkers in CRC.
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Affiliation(s)
- T Ozawa
- Center for Gastrointestinal Research; Center for Translational Genomics and Oncology, Baylor Scott & White Research Institute, Charles A Sammons Cancer Center, Baylor University Medical Center, Dallas, USA
| | - T Matsuyama
- Center for Gastrointestinal Research; Center for Translational Genomics and Oncology, Baylor Scott & White Research Institute, Charles A Sammons Cancer Center, Baylor University Medical Center, Dallas, USA
| | - Y Toiyama
- Division of Reparative Medicine, Department of Gastrointestinal and Pediatric Surgery, Institute of Life Sciences, Mie University Graduate School of Medicine, Mie Japan
| | - N Takahashi
- Gastrointestinal Medical Oncology Division, National Cancer Center Hospital, Tokyo Japan
| | - T Ishikawa
- Department of Specialized Surgery, Tokyo Medical and Dental University, Tokyo, Japan
| | - H Uetake
- Department of Specialized Surgery, Tokyo Medical and Dental University, Tokyo, Japan
| | - Y Yamada
- Gastrointestinal Medical Oncology Division, National Cancer Center Hospital, Tokyo Japan
| | - M Kusunoki
- Division of Reparative Medicine, Department of Gastrointestinal and Pediatric Surgery, Institute of Life Sciences, Mie University Graduate School of Medicine, Mie Japan
| | - G Calin
- Division of Cancer Medicine, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - A Goel
- Center for Gastrointestinal Research; Center for Translational Genomics and Oncology, Baylor Scott & White Research Institute, Charles A Sammons Cancer Center, Baylor University Medical Center, Dallas, USA
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Katayama B, Ozawa T, Kuzuya S, Ito N, Awazu K, Tsuruta D. 1135 Photodynamic therapy against both methicillin-resistant Staphylococcus aureus and Pseudomonas aeruginosa. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.1149] [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: 11/24/2022]
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Shimada H, Endo S, Sasahara Y, Shinmura T, Ozawa T, Majima H, Hara T, Imase R, Yamauchi S, Sakakibara Y, Kobayashi A, Yamazaki K, Jin Y, Yamanaka K, Matsubara O. P2.03-032 Efficacy and Safety of Osimertinib as Third-Line or Later Therapy for T790M-Positive Advanced Non-Small Cell Lung Cancer. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.1283] [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: 11/28/2022]
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Imase R, Endo S, Sasahara Y, Shinmura T, Ozawa T, Majima H, Hara T, Shimada H, Yamauchi S, Sakakibara Y, Kobayashi A, Yamazaki K, Jin Y, Yamanaka K, Matsubara O. P1.03-010 Efficacy and Safety of Anaplastic Lymphoma Kinase (ALK) Tyrosine Kinase Inhibitors in ALK-Positive Non-Small Cell Lung Cancer. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.814] [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: 11/28/2022]
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Ozawa T, Furukawa H, Noma N, Tsuruta D. 583 Sonodynamic therapy with 5-aminolevulinic acid for angiosarcoma. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.07.780] [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: 10/18/2022]
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Kim Y, Ozawa T, Mashiko T, Koide R, Shimazaki H, Matsuura T, Fujimoto S. Cerebrovascular complications of orbital apex inflammatory disease. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3398] [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: 11/30/2022]
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Ohta K, Ito J, Shimizu H, Takahashi H, Kakita A, Tobinaga M, Endo H, Ikeda T, Aida I, Yonemoti Y, Ozawa T, Nakajima T. A case of sporadic amyotrophic lateral sclerosis presenting with chorea as the initial symptom. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.1674] [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: 10/18/2022]
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Yonemochi Y, Tobinaga M, Ikeda T, Endo H, Oota K, Aida I, Nakajima T, Takahara M, Ozawa T, Tanaka H, Toyoshima Y, Takahashi H, Kakita A. Clinico-pathological consolidation of fibro-dysplasia ossification progressiva. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2737] [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: 11/24/2022]
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Aida I, Miyoshi M, Endo H, Tobinaga M, Ikeda T, Oota K, Yonemochi Y, Takahara M, Kanaya H, Ozawa T, Nakajima T. Percutaneous endoscopic gastrostomy procedure in patients with advanced duchenne muscular dystrophy. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.756] [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: 11/30/2022]
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Ozawa T, Chiba Y, Kim Y, Mashiko T, Tada M, Koide R, Shimazaki H, Matsuura T, Fujimoto S. Trigeminal herpes zoster with a long-segmental enhanced lesion of the spinal trigeminal nucleus and tract on magnetic resonance imaging. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3400] [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: 10/18/2022]
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Shimazaki H, Sugaya R, Yoneyama N, Mashiko T, Kim Y, Ozawa T, Koide R, Matsuura T, Fujimoto S. Spastic paraplegia with cerebral white matter changes. Three cases with different gene mutations. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2003] [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: 11/30/2022]
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Sakata K, Ozawa T, Okuyama Y, Haraguchi R, Tsuchiya T, Horie M, Ashihara T. P2649Not all non-paroxysmal atrial fibrillation drivers are included in complex fractionated electrogram area or low-voltage area: ExTRa Mapping project. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p2649] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Sakata K, Okuyama Y, Ozawa T, Haraguchi R, Horie M, Ashihara T. P3979Using large-tip ablation catheter markedly decreases bipolar signal amplitude near spiral wave center but this is not the case with using multi-electrode mapping catheter: A simulation study. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx504.p3979] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Suda M, Shimizu I, Yoshida Y, Hayashi Y, Katsuumi G, Kayamori H, Ikegami R, Jiao S, Wakasugi T, Nagasawa A, Ujiie A, Ozawa T, Minamino T. P178A novel protein Senescence-associated glycoprotein (SAGP) is involved in the vessel homeostasis in murine hind limb ischemia model. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx501.p178] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Sakata K, Ozawa T, Okuyama Y, Haraguchi R, Tsuchiya T, Horie M, Ashihara T. P1718Non-paroxysmal atrial fibrillation wave dynamics were determined by age rather than echocardiographic measurements and BNP: A clinical study using the ExTRa Mapping system. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p1718] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Toya C, Muramoto H, Iwai S, Higuchi K, Tsunamoto H, Matsumoto S, Ozawa T, Araki K, Ohnishi T, Kobayashi I, Ohnishi Y, Umezawa S, Niwa A, Hirao K. 1680The assessment of left atrial appendage flow by computed tomography using serial snapshots method. Europace 2017. [DOI: 10.1093/ehjci/eux160.007] [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: 11/12/2022] Open
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Higuchi K, Toya C, Iwai S, Muramoto H, Tsunamoto H, Matsumoto S, Ozawa T, Onishi T, Kobayashi I, Onishi Y, Umezawa S, Niwa A, Yokoyama Y, Hirao K. P871Changes in continuous wavelet transform of left atrium before and after pulmonary vein isolation in patients with persistent atrial fibrillation. Europace 2017. [DOI: 10.1093/ehjci/eux151.053] [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: 11/12/2022] Open
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Iwai S, Higuchi K, Toya C, Muramoto H, Tsunamoto H, Matsumoto S, Ozawa T, Araki K, Onishi T, Kobayashi I, Onishi Y, Umezawa S, Niwa A, Hirao K. P1401Distributions and correlation of left atrial low voltage zone detected by high density multi-electrode catheter during atrial fibrillation and sinus rhythm. Europace 2017. [DOI: 10.1093/ehjci/eux158.029] [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: 11/14/2022] Open
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Iwai S, Higuchi K, Toya C, Muramoto H, Tsunamoto H, Matsumoto S, Ozawa T, Araki K, Onishi T, Kobayashi I, Onishi Y, Umezawa S, Niwa A, Hirao K. P934The electroanatomical characteristics of the patients who need epicardial coronary sinus approach for complete conduction block along mitral isthmus. Europace 2017. [DOI: 10.1093/ehjci/eux151.116] [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: 11/14/2022] Open
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45
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Toya C, Higuchi K, Iwai S, Hirotaka M, Tsunamoto H, Matsumoto S, Ozawa T, Araki K, Ohnishi T, Kobayashi I, Ohnishi Y, Umezawa S, Niwa A, Yokoyama Y, Hirao K. P341Comparison of locations between continuous wavelet transform analysis and complex fractionated atrial electrogram in patients with persistent atrial fibrillation. Europace 2017. [DOI: 10.1093/ehjci/eux141.067] [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: 11/14/2022] Open
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46
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Asai J, Cho Z, Konishi E, Kanemaru M, Isohisa T, Arita T, Onishi M, Takenaka H, Ozawa T, Tsuruta D, Katoh N. 090 Podoplanin in peritumoral keratinocytes mediates dermal invasion in extramammary Paget's disease. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.104] [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: 10/19/2022]
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47
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Katayama B, Ozawa T, Ishizuka M, Awazu K, Tsuruta D. 735 Photodynamic therapy against Pseudomonas aeruginosa. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.759] [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: 11/28/2022]
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Koiwai K, Shinoda A, Ozawa T, Matsushita H, Fukazawa A, Sakai K, Kadoya M. EP-1811: Aligning the chest with a couch improved reproducibility in radiotherapy for head and neck cancers. Radiother Oncol 2017. [DOI: 10.1016/s0167-8140(17)32174-6] [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: 11/17/2022]
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Hellwig C, Bakker K, Ozawa T, Nakamura M, Ingold F, Nordström LÅ, Kihara Y. FUJI: A Comparative Irradiation Test with Pellet, Sphere-Pac, and Vipac Fuels. NUCL SCI ENG 2017. [DOI: 10.13182/nse06-a2609] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Ch. Hellwig
- Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland
| | - K. Bakker
- Nuclear Research and Consultancy Group, P.O. Box 25, 1755 ZG Petten, The Netherlands
| | - T. Ozawa
- Japan Atomic Energy Agency, Tokai-mura, Ibaraki JP319-1194, Japan
| | - M. Nakamura
- Japan Atomic Energy Agency, Tokai-mura, Ibaraki JP319-1194, Japan
| | - F. Ingold
- Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland
| | | | - Y. Kihara
- Japan Atomic Energy Agency, Tokai-mura, Ibaraki JP319-1194, Japan
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Affiliation(s)
- T. Ozawa
- Japan Atomic Energy Agency Plutonium Fuel Development Center, Nuclear Fuel Cycle Engineering Laboratories Tokai-mura, Naka-gun, Ibaraki-ken 319-1194, Japan
| | - T. Abe
- Japan Atomic Energy Agency Plutonium Fuel Development Center, Nuclear Fuel Cycle Engineering Laboratories Tokai-mura, Naka-gun, Ibaraki-ken 319-1194, Japan
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