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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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Tajima K, Yagi K, Mori Y. Development of an impulsive motion generator inspired by cocking slip joint of snapping shrimp. Bioinspir Biomim 2023; 18:066002. [PMID: 37659396 DOI: 10.1088/1748-3190/acf635] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 09/01/2023] [Indexed: 09/04/2023]
Abstract
We propose an impulsive motion generator inspired by snapping shrimp. The proposed device mimics the geometrical arrangement of a unique claw joint calledcocking slip jointand integrates it with an artificial rack-pinion actuator mechanism rather than adopting the musculoskeletal system as it is. The design approach allows the proposed device to reproduce the impulsive slip motion through the torque reversal and unlatching mechanism of the underlying unique joint by using a single servo motor. Static and dynamic analyses revealed that the actuator force required to store and release elastic energy was remarkably small compared with the resulting acceleration force and rotation/tip speed. Through simulations and experiments, we validated the mechanical analyses and confirmed that the resulting ultrafast slip motion was comparable with the claw closure of snapping shrimp based on the cocking slip joint. Moreover, from an engineering perspective, the motion profiles are modifiable through design parameters, and the repeatability of the impulsive slip motion is satisfactory.
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Affiliation(s)
- Kiichi Tajima
- Ibaraki University, 4-12-1 Nakanarusawa, Hitachi, Ibaraki, Japan
| | - Keisuke Yagi
- Ibaraki University, 4-12-1 Nakanarusawa, Hitachi, Ibaraki, Japan
| | - Yoshikazu Mori
- Ibaraki University, 4-12-1 Nakanarusawa, Hitachi, Ibaraki, Japan
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Koyama M, Ishikawa M, Tajima K. Current status of countermeasures for ageing of nuclear power plants in Japan. KERNTECHNIK 2022. [DOI: 10.1515/kern-2002-0073] [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: 11/15/2022]
Abstract
Abstract
This paper summarizes ageing countermeasure program of the nuclear power plants performed by the Japanese Government and industries and related activities, and describes current research program and utilization of the research results for the aged nuclear power plants. Regulatory bodies (NISA of METI: Nuclear and Industrial Safety Agency of the Ministry of Economy, Trade and Industry') reviewed the ageing issues of nuclear power plants to enhance countermeasures for the aged plants. Nuclear Power Plant Life Engineering Center (PLEC) entrusted by NISA is carrying out the task relating to the aged plants.
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Affiliation(s)
- M. Koyama
- Nuclear Power Plant Life Engineering Center (PLEC), Japan Power Plant Life Engineering and Inspection Corporation (JAPEIC) , 5-11, Akasaka 1-chome, Minato-ku. Tokyo , 107-0052 Japan
| | - M. Ishikawa
- Nuclear Power Plant Life Engineering Center (PLEC), Japan Power Plant Life Engineering and Inspection Corporation (JAPEIC) , 5-11, Akasaka 1-chome, Minato-ku. Tokyo , 107-0052 Japan
| | - K. Tajima
- Nuclear Power Plant Life Engineering Center (PLEC), Japan Power Plant Life Engineering and Inspection Corporation (JAPEIC) , 5-11, Akasaka 1-chome, Minato-ku. Tokyo , 107-0052 Japan
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Nio M, Tajima K, Sugaya N, Ishiwata T, Iwase T, Kato H, Hashizume M. AB0435 RISK OF SERIOUS INFECTION IN LUPUS NEPHRITIS AND RHEUMATOID ARTHRITIS MEASURED USING THE JAPANESE REAL WORLD HOSPITAL CLAIMS DATABASE. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.1199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Patients with lupus nephritis (LN) and rheumatoid arthritis (RA) are at risk of serious infections (SIs) due to the impact of the disease itself and treatments that modulate immune system. Though the epidemiology of RA has been well-established by developing many targeted DMARDs (tDMARDs) including biologics and targeted synthesized DMARDs, LN is a very rare disease. Therefore, a large sample size with a significant number of cases is required to determine the exact risk of SIs in LN.Objectives:To compare the incidence rates of SIs resulting in an inpatient claim in adult patients with LN compared with RA with or without tDMARDs using hospital claims data in Japan.Methods:LN and RA were identified using claims data provided by Medical Data Vision Co., Ltd (Tokyo, Japan) between April 2008 and June 2019 which was extracted 5thSeptember 2019. Data between January 2010 and December 2018 was used for analysis. Patients with LN and RA were identified using modifications to algorithms developed before [1, 2]. LN patients were required to have continuous insurance claim for both systemic lupus erythematosus (SLE) and LN for ≥ 6 months after index date and then RA patients had continuous insurance claim for RA for ≥ 6 months after index date. First incident SIs were defined as those that resulted in an inpatient claim for a pre-specified set of ICD-10 code. Incidence rates (IRs) were calculated along with 95% confidence intervals (CI).Results:The LN, RA, RA treated with tDMARDs and RA treated without tDMARDs cohorts included 6,403, 108,317, 16,450, and 91,867 patients, respectively. As anticipated, the LN and RA cohorts were predominantly female and the RA cohort was generally older than the LN cohorts. IRs per 1,000 person-year(PY) [95% CI] for pneumocystis carini pneumonia were 28.2 [26.0-30.4] in LN, 8.5 [8.2-8.8] in RA, 12.6 [11.7-13.5] in RA with tDMARDs and 7.7 [7.4-8.0] in RA without tDMARDs. IRs per 1,000 PY for septicaemia infection were 23.3 [21.3-25.3] in LN, 12.1 [11.7-12.4] in RA, 13.3 [12.3-14.2] in RA with tDMARDs and 11.8 [11.5-12.2] in RA without tDMARDs. IRs per 1,000 PY for cytomegalovirus infection were 13.4 [11.9-14.9] in LN, 4.4 [4.2-4.6] in RA, 6.2 [5.6-6.8] in RA with tDMARDs and 4.1 [3.8-4.3] in RA without tDMARDs. IRs per 1,000 PY for tuberculosis were 7.2 [6.0-8.3] in LN, 6.7 [6.5-7.0] in RA, 18.2 [17.1-19.3] in RA with tDMARDs and 4.4 [4.2-4.7] in RA without tDMARDs.Conclusion:In this population-based analysis of claims data from Japan, the IRs of SI such as pneumocystis carini pneumonia, septicemia infection and cytomegalovirus infection were higher in LN than in RA. And also, the incidence of tuberculosis in RA treated with tDMARDs was highest among these cohorts. These findings demonstrate the relative contribution of age, immunosuppressive therapies and disease-related factors in LN and RA.References:[1]Pawar A, et al. Ann Rheum Dis. 2019 Apr;78(4):456-464. [2] ChibnikLB et al. Lupus, 2010. May;19(6):741-3.Table 1.Description of study populationLNRAtDMARDsNon tDMARDsN%N%N%N%Age (years) 18-34170026.690158.3182811.171877.8 35-44174327.21666215.4281617.11384615.1 45-54156324.42995527.7445227.12550327.8 55-64139721.85268548.6735444.74533149.3Gender Female538584.17841972.41265376.96576671.6 Male101815.92989827.6379723.12610128.4Table 2.IRs per 1,000 PY [95% CI] of SI for LN and RA patientsLN total PY = 22065RA total PY = 365033tDMARDsNon tDMARDstotal PY = 60999total PY = 304034Pneumocystis carinipneumonia28.2 [26.0-30.4]8.5 [8.2-8.8]12.6 [11.7-13.5]7.7 [7.4-8.0]Septicaemia23.3 [21.3-25.3]12.1 [11.7-12.4]13.3 [12.3-14.2]11.8 [11.5-12.2]Cytomegalovirusinfection13.4 [11.9-14.9]4.4 [4.2-4.6]6.2 [5.6-6.8]4.1 [3.8-4.3]Tuberculosis7.2 [6.0-8.3]6.7 [6.5-7.0]18.2 [17.1-19.3]4.4 [4.2-4.7]Mycosis5.1 [4.1-6.0]2.7 [2.6-2.9]4.6 [4.1-5.1]2.4 [2.2-2.5]Aspergillosis4.7 [3.8-5.6]2.7 [2.5-2.9]2.1 [1.7-2.5]2.8 [2.6-3.0]Herpes3.3 [2.5-4.0]2.4 [2.2-2.6]2.9 [2.5-3.3]2.3 [2.1-2.5]Disclosure of Interests:Mariko Nio Employee of: Chugai Pharmaceutical Co., Ltd., Kosei Tajima Employee of: Chugai Pharmaceutical Co., Ltd., Naofumi Sugaya Employee of: Chugai Pharmaceutical Co., Ltd., Tomoyuki Ishiwata Employee of: Chugai Pharmaceutical Co., Ltd., Tatsuhiko Iwase Employee of: Chugai Pharmaceutical Co., Ltd., hiroyuki kato Employee of: Chugai Pharmaceutical Co., Ltd., Misato Hashizume Employee of: Chugai Pharmaceutical Co., Ltd.
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Tajima K, Zheng F, Collange O, Barthel G, Thornton SN, Longrois D, Levy B, Audibert G, Malinovsky JM, Mertes PM. Time to Achieve Target Mean Arterial Pressure during Resuscitation from Experimental Anaphylactic Shock in an Animal Model. A Comparison of Adrenaline Alone or in Combination with Different Volume Expanders. Anaesth Intensive Care 2019; 41:765-73. [DOI: 10.1177/0310057x1304100612] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- K. Tajima
- Faculty of Medicine, Groupe choc, U1116 Inserm, University of Lorraine, Vandoeuvre-lès-Nancy, France
- Université de Lorraine, Vandœuvre-lès-Nancy, France
| | - F. Zheng
- Faculty of Medicine, Groupe choc, U1116 Inserm, University of Lorraine, Vandoeuvre-lès-Nancy, France
- Université de Lorraine, Vandœuvre-lès-Nancy, France
| | - O. Collange
- Faculty of Medicine, Groupe choc, U1116 Inserm, University of Lorraine, Vandoeuvre-lès-Nancy, France
- éanimations Chirurgicales, SAMU, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - G. Barthel
- Faculty of Medicine, Groupe choc, U1116 Inserm, University of Lorraine, Vandoeuvre-lès-Nancy, France
- Université de Lorraine, Vandœuvre-lès-Nancy, France
| | - S. N. Thornton
- Faculty of Medicine, Groupe choc, U1116 Inserm, University of Lorraine, Vandoeuvre-lès-Nancy, France
- Université de Lorraine, Vandœuvre-lès-Nancy, France
| | - D. Longrois
- Faculty of Medicine, Groupe choc, U1116 Inserm, University of Lorraine, Vandoeuvre-lès-Nancy, France
- Département d'Anesthésie-Réanimation Chirurgicale, Hôpital Bichat-Claude Bernard, Université Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - B. Levy
- Faculty of Medicine, Groupe choc, U1116 Inserm, University of Lorraine, Vandoeuvre-lès-Nancy, France
- Service de Réanimation Médicale, Institut Lorrain du Coeur et des Vaisseaux, Vandoeuvre-lès-Nancy, France
| | - G. Audibert
- Faculty of Medicine, Groupe choc, U1116 Inserm, University of Lorraine, Vandoeuvre-lès-Nancy, France
- Département d'Anesthésie-Réanimation Chirurgicale, Centre Hospitalier Universitaire (CHU) Central, Nancy, France
| | - J. M. Malinovsky
- Faculty of Medicine, Groupe choc, U1116 Inserm, University of Lorraine, Vandoeuvre-lès-Nancy, France
- Département d'Anesthésie-Réanimation Chirurgicale, CHU de Reims, Reims, France
| | - P. M. Mertes
- Faculty of Medicine, Groupe choc, U1116 Inserm, University of Lorraine, Vandoeuvre-lès-Nancy, France
- Pôle Anesthésie, Réanimations Chirurgicales, SAMU, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
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Rizvi N, Gandara D, Solomon B, Kim A, Brunelli A, Sun S, Gitlitz B, Tajima K, Lin W, Sandler A, Peters S. P2.17-27 IMpower030: Phase III Study Evaluating Neoadjuvant Treatment of Resectable Stage II-IIIB NSCLC with Atezolizumab + Chemotherapy. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1553] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [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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Wirawan A, Tajima K, Takahashi F, Hidayat M, Kanemaru R, Koinuma Y, Hayakawa D, Tajima M, Matsumoto N, Kanamori K, Takeda I, Kato M, Kobayashi I, Shimada N, Takahashi K. P2.02-012 The Epigenetic Role of LSD1+8a in Small Cell Lung Cancer. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.1189] [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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Hidayat M, Takahashi F, Tajima K, Nurwidya F, Wirawan A, Kanemaru R, Koinuma Y, Ihara H, Tajima M, Matsumoto N, Kanamori K, Takeda I, Haraguchi M, Hayakawa D, Ko R, Kato M, Shibayama R, Koyama R, Takahashi M, Shimada N, Takahashi K. P3.02-024 Role of FBXW7 in the Maintenance of Quiescent Cancer Stem Cells Resistant to Gefitinib in EGFR Mutation-Positive Non-Small Cell Lung Cancer. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.1554] [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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Tajima K, Yamaki E, Mogi A, Kuwano H. P1.16-007 Mobile Computed Tomography in Video-Assisted Thoracoscopic Surgery for Ground-Glass Opacity Lung Nodules. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.1061] [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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Nurwidya F, Takahashi F, Hidayat M, Kobayashi I, Wirawan A, Kato M, Tajima K, Shimada N, Takeda I, Tajima M, Matsumoto N, Kanemori K, Koinuma Y, Yunus F, Andarini S, Takahashi K. P1.02-065 Histone Deacetylase Inhibition Alters Stem Cell Phenotype in Gefitinib-Resistant Lung Cancer Cells with EGFR Mutation. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.798] [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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Fukutake T, Fukumoto T, Tokumoto K, Tomura M, Mitobe F, Tajima K, Takeuchi R, Katada F, Sato S, Shibayama H. Neurological aspects of accidents during bathing. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.1056] [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: 11/26/2022]
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Tokumoto K, Shibayama H, Tajima K, Takeuchi R, Katada F, Sato S, Fukutake T. Clinical characteristics of temporal lobe epilepsy viewed from a local neurological center. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.1947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Tajima K, Shibayama H, Tokumoto K, Katada F, Sato S, Fukutake T. Complication of ischemic stroke in patients with thrombotic thrombocytopenic purpura (TTP). J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3108] [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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Shibayama H, Tomura M, Fukumoto T, Tokumoto K, Tajima K, Takeuchi R, Mitobe F, Katada F, Sato S, Fukutake T. Extrathymic neoplasms in patients with myasthenia gravis; In which patients should we pay attention to their presence? ------ Observational study in a community hospital. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3031] [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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Nozaki K, Maruyama D, Tajima K, Maeshima A, Itami J, Shichijo T, Yuda S, Suzuki T, Toyoda K, Yamauchi N, Makita S, Fukuhara S, Munakata W, Kobayashi Y, Taniguchi H, Tobinai K. LONG-TERM FOLLOW-UP AFTER LOCALIZED RADIOTHERAPY IN PATIENTS WITH TRANSFORMED B-CELL LYMPHOMA TREATED WITH RITUXIMAB-CONTAINING CHEMOTHERAPY. Hematol Oncol 2017. [DOI: 10.1002/hon.2438_43] [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] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- K. Nozaki
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - D. Maruyama
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - K. Tajima
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - A.M. Maeshima
- Pathology and Clinical Laboratory; National Cancer Center Hospital; Tokyo Japan
| | - J. Itami
- Radiation Oncology; National Cancer Center Hospital; Tokyo Japan
| | - T. Shichijo
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - S. Yuda
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - T. Suzuki
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - K. Toyoda
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - N. Yamauchi
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - S. Makita
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - S. Fukuhara
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - W. Munakata
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - Y. Kobayashi
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - H. Taniguchi
- Pathology and Clinical Laboratory; National Cancer Center Hospital; Tokyo Japan
| | - K. Tobinai
- Hematology; National Cancer Center Hospital; Tokyo Japan
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Shichijo T, Maruyama D, Tajima K, Yuda S, Maeshima A, Suzuki T, Toyoda K, Yamauchi N, Makita S, Fukuhara S, Munakata W, Kobayashi Y, Taniguchi H, Tobinai K. ASSESSMENT INDEX OF CLINICAL TRANSFORMATION FROM FOLLICULAR LYMPHOMA (FL) TO DIFFUSE LARGE B-CELL LYMPHOMA (DLBCL) IN THE RITUXIMAB ERA. Hematol Oncol 2017. [DOI: 10.1002/hon.2439_123] [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] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- T. Shichijo
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - D. Maruyama
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - K. Tajima
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - S. Yuda
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - A.M. Maeshima
- Pathology and Clinical Laboratory; National Cancer Center Hospital; Tokyo Japan
| | - T. Suzuki
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - K. Toyoda
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - N. Yamauchi
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - S. Makita
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - S. Fukuhara
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - W. Munakata
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - Y. Kobayashi
- Hematology; National Cancer Center Hospital; Tokyo Japan
| | - H. Taniguchi
- Pathology and Clinical Laboratory; National Cancer Center Hospital; Tokyo Japan
| | - K. Tobinai
- Hematology; National Cancer Center Hospital; Tokyo Japan
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18
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Ohmoto A, Fuji S, Miyagi-Maeshima A, Kim SW, Tajima K, Tanaka T, Okinaka K, Kurosawa S, Inamoto Y, Taniguchi H, Fukuda T. Association between pretransplant iron overload determined by bone marrow pathological analysis and bacterial infection. Bone Marrow Transplant 2017; 52:1201-1203. [PMID: 28504662 DOI: 10.1038/bmt.2017.93] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- A Ohmoto
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan.,Department of Pathology and Clinical Laboratory, National Cancer Center Hospital, Tokyo, Japan
| | - S Fuji
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - A Miyagi-Maeshima
- Department of Pathology and Clinical Laboratory, National Cancer Center Hospital, Tokyo, Japan
| | - S-W Kim
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - K Tajima
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - T Tanaka
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - K Okinaka
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - S Kurosawa
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - Y Inamoto
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - H Taniguchi
- Department of Pathology and Clinical Laboratory, National Cancer Center Hospital, Tokyo, Japan
| | - T Fukuda
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
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19
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Tanaka Y, Kurosawa S, Tajima K, Tanaka T, Ito R, Inoue Y, Okinaka K, Inamoto Y, Fuji S, Kim SW, Tanosaki R, Yamashita T, Fukuda T. Increased incidence of oral and gastrointestinal secondary cancer after allogeneic hematopoietic stem cell transplantation. Bone Marrow Transplant 2017; 52:789-791. [PMID: 28194030 DOI: 10.1038/bmt.2017.4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Y Tanaka
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - S Kurosawa
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - K Tajima
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - T Tanaka
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - R Ito
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - Y Inoue
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - K Okinaka
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - Y Inamoto
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - S Fuji
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - S-W Kim
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - R Tanosaki
- Department of Blood Transfusion and Cellular Therapy, National Cancer Center Hospital, Tokyo, Japan
| | - T Yamashita
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - T Fukuda
- Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
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20
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Takada A, Nishida J, Akasaka T, Shiraishi H, Furumachi K, Tajima K, Okada K, Shimamura T. Juxtacortical Chondroma of the Hand: Treatment by Resection of the Tumour and the Adjacent Bone Cortex. ACTA ACUST UNITED AC 2016; 30:401-5. [PMID: 15935532 DOI: 10.1016/j.jhsb.2005.03.013] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2004] [Accepted: 03/30/2005] [Indexed: 11/29/2022]
Abstract
A recurrence of a juxtacortical chondroma of the finger after marginal excision prompted us to review the treatment of this condition. Although the recommended treatment is simple curettage or marginal excision, the reported recurrence rate is significantly higher for lesions in the hand than those in other locations and recurrences only occurred in patients who had local treatments which did not include excision of the adjacent bone cortex.We report five patients with juxtacortical chondroma of the fingers. The first patient underwent marginal excision without resection of the underlying bone cortex. The other four patients underwent intralesional, marginal or wide excisions of tumour with resection of the bone cortex underlying the lesion. Recurrence was only seen in the patient who did not undergo resection of the bone cortex. Resection of the underlying bone cortex after excision of this tumour may be advisable for the treatment of this tumour in the hand to reduce the rate of recurrence.
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Affiliation(s)
- A Takada
- Department of Orthopaedic Surgery, School of Medicine, Iwate Medical University, Morioka, Japan
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21
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Tanaka Y, Kurosawa S, Tajima K, Tanaka T, Ito R, Inoue Y, Okinaka K, Inamoto Y, Fuji S, Kim SW, Tanosaki R, Yamashita T, Fukuda T. Analysis of non-relapse mortality and causes of death over 15 years following allogeneic hematopoietic stem cell transplantation. Bone Marrow Transplant 2016; 51:553-9. [DOI: 10.1038/bmt.2015.330] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2015] [Revised: 11/05/2015] [Accepted: 11/21/2015] [Indexed: 11/09/2022]
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22
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Hosomi Y, Seto T, Nishio M, Goto K, Yamamoto N, Okamoto I, Tajima K, Inagaki N, Yamamoto N. 420O Erlotinib plus bevacizumab (EB) versus erlotinib alone (E) as first-line treatment for advanced non-squamous non–small-cell lung cancer (NSCLC) with activating EGFR mutation (mt): JO25567 exploratory subgroup analysis. Ann Oncol 2015. [DOI: 10.1093/annonc/mdv532.04] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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23
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Shibayama H, Tokumoto K, Fujisawa E, Yano H, Tajima K, Katada F, Sato S, Fukutake T. For effective utilization of dat-spect with 123i-ioflupane in clinical practice. J Neurol Sci 2015. [DOI: 10.1016/j.jns.2015.08.868] [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: 10/22/2022]
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24
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Matsunaga T, Yamaji Y, Tomokuni T, Morita H, Morikawa Y, Suzuki A, Yonezawa A, Endo S, Ikari A, Iguchi K, El-Kabbani O, Tajima K, Hara A. Nitric oxide confers cisplatin resistance in human lung cancer cells through upregulation of aldo-keto reductase 1B10 and proteasome. Free Radic Res 2014; 48:1371-85. [PMID: 25156503 DOI: 10.3109/10715762.2014.957694] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [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: 11/13/2022]
Abstract
In this study, we show that exposure of human lung cancer A549 cells to cisplatin (cis-diamminedichloroplatinum, CDDP) promotes production of nitric oxide (NO) through generation of reactive oxygen species (ROS) and resulting upregulation of inducible NO synthase (iNOS). The incubation of the cells with a NO donor, diethylenetriamine NONOate, not only reduced the CDDP-induced cell death and apoptotic alterations (induction of CCAAT-enhancer-binding protein homologous protein and caspase-3 activation), but also elevated proteolytic activity of 26S proteasome, suggesting that the activation of proteasome function contributes to the reduction of CDDP sensitivity by NO. Monitoring expression levels of six aldo-keto reductases (AKRs) (1A1, 1B1, 1B10, 1C1, 1C2, and 1C3) during the treatment with the NO donor and subsequent CDDP sensitivity test using the specific inhibitors also proposed that upregulation of AKR1B10 by NO is a key process for acquiring the CDDP resistance in A549 cells. Treatment with CDDP and NO increased amounts of nitrotyrosine protein adducts, indicative of peroxynitrite formation, and promoted the induction of AKR1B10, inferring a relationship between peroxynitrite formation and the enzyme upregulation in the cells. The treatment with CDDP or a ROS-related lipid aldehyde, 4-hydroxy-2-nonenal, facilitated the iNOS upregulation, which was restored by increasing the AKR1B10 expression. In contrast, the facilitation of NO production by CDDP treatment was hardly observed in AKR1B10-overexpressing A549 cells and established CDDP-resistant cancer cells (A549, LoVo, and PC3). Collectively, these results suggest the NO functions as a key regulator controlling AKR1B10 expression and 26S proteasome function leading to gain of the CDDP resistance.
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Affiliation(s)
- T Matsunaga
- Laboratory of Biochemistry, Gifu Pharmaceutical University , Gifu , Japan
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25
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Martinez L, Higuchi S, MacLachlan AJ, Stavrinadis A, Cates N, Diedenhofen SL, Bernechea M, Sweetnam S, Nelson J, Haque SA, Tajima K, Konstantatos G. Improved electronic coupling in hybrid organic-inorganic nanocomposites employing thiol-functionalized P3HT and bismuth sulfide nanocrystals. Nanoscale 2014; 6:10018-10026. [PMID: 25029606 DOI: 10.1039/c4nr01679c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
In this study, we employ a thiol-functionalized polymer (P3HT-SH) as a leverage to tailor the nanomorphology and electronic coupling in polymer-nanocrystal composites for hybrid solar cells. The presence of the thiol functional group allows for a highly crystalline semiconducting polymer film at low thiol content and allows for improved nanomorphologies in hybrid organic-inorganic systems when employing non-toxic bismuth sulfide nanocrystals. The exciton dissociation efficiency and carrier dynamics at this hybrid heterojunction are investigated through photoluminescence quenching and transient absorption spectroscopy measurements, revealing a larger degree of polaron formation when P3HT-SH is employed, suggesting an increased electronic interaction between the metal chalcogenide nanocrystals and the thiol-functionalized P3HT. The fabricated photovoltaic devices show 15% higher power conversion efficiencies as a result of the improved nanomorphology and better charge transfer mechanism together with the higher open circuit voltages arising from the deeper energy levels of P3HT-SH.
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Affiliation(s)
- L Martinez
- ICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860, Castelldefels, Barcelona, Spain.
| | - S Higuchi
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Tokyo 113-8656, Japan
| | - A J MacLachlan
- Centre for Plastic Electronics and Department of Chemistry, Imperial College London, South Kensington Campus, Exhibition Road, SW7 2AZ, UK
| | - A Stavrinadis
- ICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860, Castelldefels, Barcelona, Spain.
| | - N Cates
- ICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860, Castelldefels, Barcelona, Spain.
| | - S L Diedenhofen
- ICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860, Castelldefels, Barcelona, Spain.
| | - M Bernechea
- ICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860, Castelldefels, Barcelona, Spain.
| | - S Sweetnam
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA
| | - J Nelson
- Centre for Plastic Electronics and Department of Chemistry, Imperial College London, South Kensington Campus, Exhibition Road, SW7 2AZ, UK
| | - S A Haque
- Centre for Plastic Electronics and Department of Chemistry, Imperial College London, South Kensington Campus, Exhibition Road, SW7 2AZ, UK
| | - K Tajima
- RIKEN Center for Emergent Matter Science (CEMS), 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
- Japan Science and Technology Agency, Precursory Research for Embryonic Science and Technology, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - G Konstantatos
- ICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860, Castelldefels, Barcelona, Spain.
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26
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Maie K, Fuji S, Tajima K, Tatsuno M, Yamagata S, Takahashi N, Ueda R, Hashimoto H, Takano K, Inoue Y, Ito A, Hayashi Y, Okinaka K, Kurosawa S, Kim SW, Tanosaki R, Heike Y, Yamashita T, Fukuda T. A higher number of infused CD34(+) cells has a positive impact on the clinical outcome after related PBSC transplantation. Bone Marrow Transplant 2014; 49:1113-5. [PMID: 24797181 DOI: 10.1038/bmt.2014.94] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- K Maie
- 1] Hematopoietic Stem Cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan [2] Department of Hematology, University of Tsukuba, Tsukuba, Japan
| | - S Fuji
- Hematopoietic Stem Cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan
| | - K Tajima
- Hematopoietic Stem Cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan
| | - M Tatsuno
- Hematopoietic Stem Cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan
| | - S Yamagata
- Hematopoietic Stem Cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan
| | - N Takahashi
- Hematopoietic Stem Cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan
| | - R Ueda
- Hematopoietic Stem Cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan
| | - H Hashimoto
- Hematopoietic Stem Cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan
| | - K Takano
- Hematopoietic Stem Cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan
| | - Y Inoue
- Hematopoietic Stem Cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan
| | - A Ito
- Hematopoietic Stem Cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan
| | - Y Hayashi
- Hematopoietic Stem Cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan
| | - K Okinaka
- Hematopoietic Stem Cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan
| | - S Kurosawa
- Hematopoietic Stem Cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan
| | - S-W Kim
- Hematopoietic Stem Cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan
| | - R Tanosaki
- Department of Blood Transfusion and Cellular Therapy, National Cancer Center Hospital, Tokyo, Japan
| | - Y Heike
- Hematopoietic Stem Cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan
| | - T Yamashita
- Hematopoietic Stem Cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan
| | - T Fukuda
- Hematopoietic Stem Cell Transplantation Division, National Cancer Center Hospital, Tokyo, Japan
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27
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Tajima K, Nakamura A, Shirakawa J, Togashi Y, Orime K, Sato K, Inoue H, Kaji M, Sakamoto E, Ito Y, Aoki K, Nagashima Y, Atsumi T, Terauchi Y. Metformin prevents liver tumorigenesis induced by high-fat diet in C57Bl/6 mice. Am J Physiol Endocrinol Metab 2013; 305:E987-98. [PMID: 23964070 DOI: 10.1152/ajpendo.00133.2013] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [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] [Indexed: 12/16/2022]
Abstract
The prevalence of nonalcoholic fatty liver disease (NAFLD) and nonalcoholic steatohepatitis (NASH) is increasing with the growing epidemics of obesity and diabetes. NAFLD encompasses a clinicopathologic spectrum of disease ranging from isolated hepatic steatosis to NASH, which is a more aggressive form of fatty liver disease, to cirrhosis and, finally, hepatocellular carcinoma (HCC). The exact mechanism behind the development of HCC in NASH remains unclear; however, it has been established that hepatic steatosis is the important risk factor in the development of HCC. Metformin has recently drawn attention because of its potential antitumor effect. Here, we investigated the effects of metformin on high-fat diet (HFD)-induced liver tumorigenesis, using a mouse model of NASH and liver tumor. Metformin prevented long-term HFD-induced liver tumorigenesis in C57Bl/6 mice. Of note, metformin failed to protect against liver tumorigenesis in mice that had already begun to develop NAFLD. Metformin improved short-term HFD-induced fat accumulation in the liver, associated with the suppression of adipose tissue inflammation. Collectively, these results suggest that metformin may prevent liver tumorigenesis via suppression of liver fat accumulation in the early stage, before the onset of NAFLD, which seems to be associated with a delay in the development of inflammation of the adipose tissue.
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Affiliation(s)
- K Tajima
- Department of Endocrinology and Metabolism
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28
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Ito H, Gallus S, Hosono S, Oze I, Fukumoto K, Yatabe Y, Hida T, Mitsudomi T, Negri E, Yokoi K, Tajima K, La Vecchia C, Tanaka H, Matsuo K. Time to first cigarette and lung cancer risk in Japan. Ann Oncol 2013; 24:2870-5. [PMID: 24013511 DOI: 10.1093/annonc/mdt362] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Cigarette smoking is the major cause of lung cancer (LC). Although the time to first cigarette (TTFC) of the day is a distinct indicator of nicotine dependence, little information is available on its possible relation to LC. PATIENTS AND METHODS This case-control study includes a total of 1572 incident LC cases and 1572 non-cancer controls visiting for the first time the Aichi Cancer Center Hospital between 2001 and 2005. We estimated the odds ratio (OR) and 95% confidence interval (CI) for TTFC using a logistic regression model after adjustment for several potential confounders. RESULTS TTFC was inversely associated with the risk of LC. This association was consistent across histological subtypes of LC. For all LCs considered among ever smokers and after accurate allowance for smoking quantity and duration, besides other relevant covariates, compared with TTFC >60 min, the adjusted ORs were 1.08 (95% CI, 0.73-1.61) for TTFC of 31-60 min, 1.40 (0.98-2.01) for 6-30 min and 1.86 (1.28-2.71) for within 5 min (Ptrend, < 0.001). Statistically marginally significant heterogeneity by histological subtype was observed (Pheterogeneity, 0.002). CONCLUSIONS Nicotine dependence, as indicated by the TTFC, is associated with increased risk of LC and is therefore an independent marker of exposure to tobacco smoking.
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Affiliation(s)
- H Ito
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya, Japan
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29
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Hibino M, Tajima K, Uchida K, Munakata H, Fujii K, Kato W, Takami Y, Sakai Y. Surgical strategy for coronary artery aneurysms. J Cardiothorac Surg 2013. [PMCID: PMC3844592 DOI: 10.1186/1749-8090-8-s1-o180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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30
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Terao C, Ohmura K, Ikari K, Kochi Y, Maruya E, Katayama M, Shimada K, Murasawa A, Honjo S, Takasugi K, Matsuo K, Tajima K, Suzuki A, Yamamoto K, Momohara S, Yamanaka H, Yamada R, Saji H, Matsuda F, Mimori T. SAT0002 ACPA-negative rheumatoid arthritis consists of two genetically distinct subsets based on RF positivity. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.2950] [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: 11/04/2022]
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31
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Tajima K, Fukuda T. Region-specific diversity of striosomes in the mouse striatum revealed by the differential immunoreactivities for mu-opioid receptor, substance P, and enkephalin. Neuroscience 2013; 241:215-28. [DOI: 10.1016/j.neuroscience.2013.03.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2012] [Revised: 03/07/2013] [Accepted: 03/08/2013] [Indexed: 11/17/2022]
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32
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Takihata M, Nakamura A, Tajima K, Inazumi T, Komatsu Y, Tamura H, Yamazaki S, Kondo Y, Yamada M, Kimura M, Terauchi Y. Comparative study of sitagliptin with pioglitazone in Japanese type 2 diabetic patients: the COMPASS randomized controlled trial. Diabetes Obes Metab 2013; 15:455-62. [PMID: 23279373 DOI: 10.1111/dom.12055] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2012] [Revised: 11/12/2012] [Accepted: 12/15/2012] [Indexed: 11/30/2022]
Abstract
AIMS To compare the efficacy and safety of these two agents and the impact on surrogate markers related to diabetic complications in Japanese type 2 diabetic patients. METHODS In a multicenter, open-label trial, 130 patients whose diabetes had been inadequately controlled (HbA1c, 6.9-9.5%) with metformin and/or sulphonylurea were randomly assigned to a sitagliptin group (50 mg/day) or a pioglitazone group (15 mg/day) and were followed up for 24 weeks. At 16 weeks, if the patient's HbA1c level was ≥6.5%, the dose of sitagliptin or pioglitazone was increased up to 100 or 30 mg/day, respectively. Main outcome measure was the difference in the mean changes in the HbA1c level from baseline at 24 weeks between these two groups. RESULTS Of the 130 patients who were enrolled, 115 subjects (sitagliptin group: 58 patients, pioglitazone group: 57 patients) completed this trial. At 0 weeks, the mean HbA1c level was 7.47 ± 0.66% in the sitagliptin group and 7.40 ± 0.61% in the pioglitazone group. At 24 weeks, the mean changes in the HbA1c level from baseline were -0.86 ± 0.63% versus -0.58 ± 0.68% (p = 0.024). Hypoglycaemia (2 patients, 3.4% vs. 2 patients, 3.5%), gastrointestinal symptoms (3 patients, 5.2% vs. 1 patient, 1.8%) and pretibial oedema (0 patients, 0% vs. 39 patients, 68.4%, p < 0.001) were observed for 24 weeks. CONCLUSIONS Sitagliptin was not only more tolerable, but also more effective than pioglitazone in Japanese type 2 diabetic patients who had been treated with metformin and/or sulphonylurea.
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Affiliation(s)
- M Takihata
- Department of Endocrinology and Metabolism, Yokohama City University School of Medicine, Yokohama, Japan
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33
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Nakamura A, Tajima K, Zolzaya K, Sato K, Inoue R, Yoneda M, Fujita K, Nozaki Y, Kubota KC, Haga H, Kubota N, Nagashima Y, Nakajima A, Maeda S, Kadowaki T, Terauchi Y. Protection from non-alcoholic steatohepatitis and liver tumourigenesis in high fat-fed insulin receptor substrate-1-knockout mice despite insulin resistance. Diabetologia 2012; 55:3382-91. [PMID: 22955994 DOI: 10.1007/s00125-012-2703-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2012] [Accepted: 07/27/2012] [Indexed: 12/20/2022]
Abstract
AIMS/HYPOTHESIS Epidemiological studies have revealed that obesity and diabetes mellitus are independent risk factors for the development of non-alcoholic steatohepatitis (NASH) and hepatocellular carcinoma. However, the debate continues on whether insulin resistance as such is directly associated with NASH and liver tumourigenesis. Here, we investigated the incidence of NASH and liver tumourigenesis in Irs1 ( -/- ) mice subjected to a long-term high-fat (HF) diet. Our hypothesis was that hepatic steatosis, rather than insulin resistance may be related to the pathophysiology of these conditions. METHODS Mice (8 weeks old, C57Bl/6J) were given free access to standard chow (SC) or an HF diet. The development of NASH and liver tumourigenesis was evaluated after mice had been on the above-mentioned diets for 60 weeks. Similarly, Irs1 ( -/- ) mice were also subjected to an HF diet for 60 weeks. RESULTS Long-term HF diet loading, which causes obesity and insulin resistance, was sufficient to induce NASH and liver tumourigenesis in the C57Bl/6J mice. Obesity and insulin resistance were reduced by switching mice from the HF diet to SC, which also protected these mice against the development of NASH and liver tumourigenesis. However, compared with wild-type mice fed the HF diet, Irs1 ( -/- ) mice fed the HF diet were dramatically protected against NASH and liver tumourigenesis despite the presence of severe insulin resistance and marked postprandial hyperglycaemia. CONCLUSIONS/INTERPRETATION IRS-1 inhibition might protect against HF diet-induced NASH and liver tumourigenesis, despite the presence of insulin resistance.
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Affiliation(s)
- A Nakamura
- Department of Endocrinology and Metabolism, Graduate School of Medicine, Yokohama City University, 3-9 Fukuura, Kanazawa-ku, Yokohama, Japan
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Islam T, Matsuo K, Ito H, Hosono S, Watanabe M, Iwata H, Tajima K, Tanaka H. Reproductive and hormonal risk factors for luminal, HER2-overexpressing, and triple-negative breast cancer in Japanese women. Ann Oncol 2012; 23:2435-2441. [PMID: 22328736 DOI: 10.1093/annonc/mdr613] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Although the clinical relevance of the molecular subtypes of breast cancer is evident, etiological differences among subtypes have not been well established, especially among Asian. Here, we evaluated the hypothesis that the etiologic impact of reproductive and hormonal features differs among molecular subtypes. MATERIALS AND METHODS We conducted a case-control study in pre- and postmenopausal Japanese. We examined 706 breast cancer patients and 1412 age- and menopausal status-matched noncancer controls. Immunohistochemical stains for estrogen receptor, progesterone receptor, and human epidermal growth factor receptor 2 (HER2) were used to classify the cases into 554 luminal (hormone receptor positive), 84 HER2-overexpressing (hormone receptor negative, HER2 positive), and 68 triple-negative cases (hormone receptor negative, HER2 negative). Associations were evaluated using multivariate polytomous logistic regression models. RESULTS A significant association was observed between early age at menarche and risk of luminal disease (odds ratios = 1.67, 95% confidence interval: 1.22-2.29; P trend = 0.001). No significant differences in association with parity, age at first live birth, breastfeeding history, age at menopause, or synthetic hormonal use were seen across molecular subtypes of breast cancer. CONCLUSIONS These findings indicate that reproductive events in adolescence have differential impact on the risk of breast cancer molecular subtypes in Japanese.
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Affiliation(s)
- T Islam
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya; Department of Epidemiology, Nagoya University Graduate School of Medicine, Nagoya
| | - K Matsuo
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya; Department of Epidemiology, Nagoya University Graduate School of Medicine, Nagoya.
| | - H Ito
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya
| | - S Hosono
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya
| | - M Watanabe
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya
| | - H Iwata
- Department of Breast Oncology, Aichi Cancer Center Hospital, Nagoya, Japan
| | - K Tajima
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya
| | - H Tanaka
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya; Department of Epidemiology, Nagoya University Graduate School of Medicine, Nagoya
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Shitara K, Ito S, Misawa K, Ito Y, Ito H, Hosono S, Watanabe M, Tajima K, Tanaka H, Muro K, Matsuo K. Genetic polymorphism of IGF-I predicts recurrence in patients with gastric cancer who have undergone curative gastrectomy. Ann Oncol 2012; 23:659-664. [PMID: 21690232 DOI: 10.1093/annonc/mdr293] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
Abstract
BACKGROUND To our knowledge, no reports have evaluated the effects of genetic polymorphisms of insulin-like growth factor-I (IGF-I) on clinical outcomes of gastric cancer patients. METHODS We retrospectively analyzed the impact of IGF-I polymorphisms on recurrence-free survival (RFS) in 430 patients with gastric cancer who underwent curative gastrectomy between 2001 and 2005 in our institution. RESULTS Among the 430 gastric cancer patients, 345 were pathological stage I or II, while 85 were stage III or IV. The median 5-year RFS rate was 85.3% (95% confidence interval [CI] 81.4-88.5). In a multivariate Cox model (adjusted for age, gender, histology, pathological stage, adjuvant chemotherapy, and history of diabetes), two IGF-I polymorphisms, rs1520220 and rs2195239, were significantly associated with RFS (hazard ratio [HR] 0.60, 95% CI 0.40-0.91; and HR 0.60, 95% CI 0.41-0.89, respectively, in a per-allele model). When stratified by stage (I-II versus III-IV), rs1520220 in particular was associated with RFS in patients with stage III-IV disease, with a P-value for interaction of 0.01. CONCLUSIONS Our findings indicate that genetic polymorphisms of IGF-I may have a substantial effect on recurrence for gastric cancer patients who have undergone curative gastrectomy. This information may help identify population subgroups that could benefit from IGF-I-targeting agents.
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Affiliation(s)
| | - S Ito
- Departments of Surgery, Aichi Cancer Center Hospital, Nagoya
| | - K Misawa
- Departments of Surgery, Aichi Cancer Center Hospital, Nagoya
| | - Y Ito
- Departments of Surgery, Aichi Cancer Center Hospital, Nagoya
| | - H Ito
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya
| | - S Hosono
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya
| | - M Watanabe
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya
| | - K Tajima
- Director, Aichi Cancer Center Research Institute, Nagoya
| | - H Tanaka
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya; Department of Epidemiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - K Muro
- Departments of Clinical Oncology
| | - K Matsuo
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya; Department of Epidemiology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
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Yamamoto Y, Washimi Y, Kanaji A, Tajima K, Ishimura D, Yamada H. The effect of bisphosphonate and intermittent human parathyroid hormone 1-34 treatments on cortical bone allografts in rabbits. J Endocrinol Invest 2012; 35:139-45. [PMID: 21613814 DOI: 10.3275/7751] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
AIM This study compares the effect of bisphosphonate and intermittent PTH administration on haversian remodeling in cortical bone allografts in rabbits. MATERIALS AND METHODS An intercalary heat-treated cortical bone allograft was applied to a segment skeletal defect in the left femur of Japanese white rabbits. The rabbits were randomly assigned to one of three groups: the vehicle control group (CNT); the bisphosphonate group (B group); and the intermittent PTH treatment group (P group). Periodic radiographic evaluation was performed and peripheral quantitative computerized tomography (pQCT) was used to evaluate the total bone area (Area), bone mineral density (BMD), and bone mineral content (BMC). The allografts also underwent histological examination. RESULTS The P group was radiographically superior in the latter stage, compared with the other groups. pQCT analysis of the allografts showed that the B group had a significantly higher Area and BMC. These parameters in the latter stage were significantly lower in the P group than in the other groups. The allograft of the B group was histologically mostly necrotic bone, whereas allograft of the P group showed abundant newly formed bone. CONCLUSION In rabbits, bisphosphonate prevents resorption, but suppresses remodeling and incorporation; by contrast, PTH increases resorption and accelerates allograft remodeling and incorporation. Based on our preliminary data, we suggest that further research on the manner of administration of bisphosphonate and PTH - which have contrasting effects - can be beneficial in maintaining bone strength and in regulating remodeling and allograft incorporation.
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Affiliation(s)
- Y Yamamoto
- Department of Orthopedic Surgery, Fujita Health University, Toyoake City, Aichi, Japan.
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Kawakita D, Matsuo K, Sato F, Oze I, Hosono S, Ito H, Watanabe M, Yatabe Y, Hanai N, Hasegawa Y, Tajima K, Murakami S, Tanaka H. Association between dietary folate intake and clinical outcome in head and neck squamous cell carcinoma. Ann Oncol 2012; 23:186-192. [PMID: 21460376 DOI: 10.1093/annonc/mdr057] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND The association between dietary folate intake, two polymorphisms in methylenetetrahydrofolate reductase (MTHFR) and thymidylate synthase (TYMS), and survival in head and neck squamous cell carcinoma (HNSCC) patients is not clarified. PATIENTS AND METHODS We conducted a retrospective cohort study of 437 HNSCC patients treated at Aichi Cancer Center. We evaluated the survival impact of pretreatment dietary folate intake, which was estimated using a food-frequency questionnaire, and two polymorphisms, MTHFR C677T and a 6-bp insertion/deletion in the 3'-untranslated region of TYMS, using multivariate proportional hazard models. RESULTS Patients with high folate intake (≥320 μg/day; n=144) had significantly higher survival than patients with low or medium folate intake (<320 μg/day; n=278; 79.1% versus 68.2%, respectively, P=0.020). This association was consistent with multivariate analyses adjusted for established prognostic factors (hazard ratio 0.56; 95% confidence interval 0.37-0.84). MTHFR and TYMS polymorphisms did not show significant association with survival, although the TYMS 6-bp insertion allele showed potential association with a reduced risk of death. Notably, no significant interaction was observed between folate intake and the two examined polymorphisms. CONCLUSIONS High pretreatment dietary folate intake was identified as an independent prognostic factor associated with improved clinical outcomes in HNSCC patients. Further study is warranted.
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Affiliation(s)
- D Kawakita
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya; Department of Otorhinolaryngology, Head and Neck Surgery, Nagoya City University Graduate School of Medical Sciences
| | - K Matsuo
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya; Department of Epidemiology, Nagoya University Graduate School of Medicine.
| | - F Sato
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya
| | - I Oze
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya
| | - S Hosono
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya
| | - H Ito
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya
| | - M Watanabe
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya
| | - Y Yatabe
- Departments of Pathology and Molecular Diagnosis
| | - N Hanai
- Head and Neck Surgery, Aichi Cancer Center Hospital, Nagoya, Japan
| | - Y Hasegawa
- Head and Neck Surgery, Aichi Cancer Center Hospital, Nagoya, Japan
| | - K Tajima
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya
| | - S Murakami
- Department of Otorhinolaryngology, Head and Neck Surgery, Nagoya City University Graduate School of Medical Sciences
| | - H Tanaka
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya; Department of Epidemiology, Nagoya University Graduate School of Medicine
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Sueta A, Ito H, Iwata H, Hosono S, Watanabe M, Iwase H, Tajima K, Tanaka H, Matsuo K. P1-09-04: A Genetic Predictor for Breast Cancer Risk in a Japanese Population. Cancer Res 2011. [DOI: 10.1158/0008-5472.sabcs11-p1-09-04] [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: 11/16/2022]
Abstract
Abstract
Objective Genome-wide association studies (GWASs) have identified genetic variants associated with breast cancer. Most GWASs to data were conducted in women with European background and the extent to which these variants contribute as predictors of breast cancer among Japanese population is unknown.
Methods We analyzed 24 genetic variants that have been identified in previous GWASs and conducted a case-control study with 697 cases and age- and menopausal status- matched 1394 controls in the framework of the Hospital-based Epidemiologic Study at Aichi Cancer Center (HERPACC). All subjects were asked to provide information on lifestyle factors and blood samples for genetic studies. We fit conditional regression models with genetic variants and conventional risk factors including age, age at menarche, menopausal status, current body-mass-index, age at first live birth, regular exercise, family history of breast cancer, and referral pattern to our hospital. In addition, we created a polygenetic risk score, using the single nucleotide polymorphisms (SNPs) with statistically significant association with the breast cancer risk to measure the cumulative effect of multiple genetic risk variants. Furthermore, we evaluated the prediction model that included conventional risk factors by comparing with and without the genetic risk score, using c statistic.
Results Eleven SNPs (FGFR2-rs2981579, rs2981578, rs1219648, rs2420946, rs2981582, TOX3/TNRC9-rs8051542, rs3803662, LOC643714-rs4784227, C6orf97-rs2046210, 8q24-rs13281615, SLC4A7-rs4973768) revealed significant associations with breast cancer risk (each P < 0.05 in either per allele, dominant, or recessive model). A dose-dependent association was observed between the risk of breast cancer and the genetic risk score, which is an aggregate measure of the alleles in 7 selected variants; rs2981579, rs3803662, rs2046210, rs13281615, rs4973768, rs3817198 and rs10931936. Compared to women with scores of 3 or less, odds ratios (ORs) for women with scores of 4–5, 6–7, 8–9 and 10 or more were 1.33 (95% confidence interval, 1.00 - 1.80), 1.71 (1.26 - 2.30), 3.01 (1.97 - 4.58) and 8.69 (2.74 - 27.5), respectively (Ptrend < 0.001). The ORs for premenopausal women with the corresponding risk scores were 1.71 (1.12 - 2.63), 1.79 (1.15 - 2.78), 3.70 (1.98 - 6.93), and 14.0 (3.30–59.5), respectively, and those for postmenopausal women with the corresponding risk scores were 1.09 (0.72 - 1.66), 1.71 (1.12 - 2.61), 2.60 (1.44 - 4.71), 3.75 (0.57 - 24.4), respectively, compared to those with scores of 3 or less (each Ptrend < 0.001). The c statistic for a model including the genetic risk score in addition to the conventional risk factors was 0.633, whereas 0.602 without it (P < 0.001). Population-attributable fraction of the risk score was 33.8%.
Conclusion we identified a genetic predictor of breast cancer in a Japanese population. A risk model including genetic risk score may be useful to distinguish women at high-risk of breast cancer from those at low-risk, particularly in the context of targeted prevention.
Citation Information: Cancer Res 2011;71(24 Suppl):Abstract nr P1-09-04.
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Affiliation(s)
- A Sueta
- 1Aichi Cancer Center Research, Nagoya, Japan; Kumamoto University Graduate School of Medical Science, Kumamoto, Japan; Aichi Cancer Center Central Hospital, Nagoya, Japan; Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - H Ito
- 1Aichi Cancer Center Research, Nagoya, Japan; Kumamoto University Graduate School of Medical Science, Kumamoto, Japan; Aichi Cancer Center Central Hospital, Nagoya, Japan; Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - H Iwata
- 1Aichi Cancer Center Research, Nagoya, Japan; Kumamoto University Graduate School of Medical Science, Kumamoto, Japan; Aichi Cancer Center Central Hospital, Nagoya, Japan; Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - S Hosono
- 1Aichi Cancer Center Research, Nagoya, Japan; Kumamoto University Graduate School of Medical Science, Kumamoto, Japan; Aichi Cancer Center Central Hospital, Nagoya, Japan; Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - M Watanabe
- 1Aichi Cancer Center Research, Nagoya, Japan; Kumamoto University Graduate School of Medical Science, Kumamoto, Japan; Aichi Cancer Center Central Hospital, Nagoya, Japan; Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - H Iwase
- 1Aichi Cancer Center Research, Nagoya, Japan; Kumamoto University Graduate School of Medical Science, Kumamoto, Japan; Aichi Cancer Center Central Hospital, Nagoya, Japan; Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - K Tajima
- 1Aichi Cancer Center Research, Nagoya, Japan; Kumamoto University Graduate School of Medical Science, Kumamoto, Japan; Aichi Cancer Center Central Hospital, Nagoya, Japan; Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - H Tanaka
- 1Aichi Cancer Center Research, Nagoya, Japan; Kumamoto University Graduate School of Medical Science, Kumamoto, Japan; Aichi Cancer Center Central Hospital, Nagoya, Japan; Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - K Matsuo
- 1Aichi Cancer Center Research, Nagoya, Japan; Kumamoto University Graduate School of Medical Science, Kumamoto, Japan; Aichi Cancer Center Central Hospital, Nagoya, Japan; Nagoya University Graduate School of Medicine, Nagoya, Japan
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Jayaro C, De La Vega I, Bayon-Palomino C, Díaz-Marsá M, Montes A, Tajima K, López-Ibor JJ, Carrasco JL. Depressive-type emotional response pattern in impulsive-aggressive patients with borderline personality disorder. J Affect Disord 2011; 135:37-42. [PMID: 21807413 DOI: 10.1016/j.jad.2011.06.040] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2011] [Accepted: 06/28/2011] [Indexed: 11/18/2022]
Abstract
INTRODUCTION Borderline personality disorder (BPD) is typically characterized by severe affective dysregulation leading to impulsive behaviors. Accordingly, preliminary data suggest the hypothesis that BPD patients could have a specific and altered pattern of subjective emotional response to stimuli. The nature of the emotional response in BPD can be compared with other affective disorders and provide further insight on the nosological proximity with other psychiatric disorders. METHODS Subjective emotional response was investigated in 19 patients with DSM-IV BPD with no current depressive episode and in 19 healthy control subjects by using the International Affective Picture System (IAPS). The intensity of arousal, valence and dominance was rated in response to 60 images categorized as pleasant, unpleasant and neutral by using a self-assessment instrument. ANOVA of multiple factors was used for between-groups comparisons. RESULTS The obtained pattern showed that BPD patients considered the unpleasant and neutral images as less aversive than controls, but the activation that these images induced was higher. Patients showed significantly greater arousal than controls for unpleasant and neutral images (p<0.05) but presented greater valence (more positive emotion) for these images (p<0.05). In addition, BPD patients showed lower dominance (greater insecurity and dyscomfort) for positive images (p<0.05). CONCLUSIONS The subjective emotional response pattern of BPD patients suggests a trait of vulnerability to pleasant stimuli and is similar to the pattern found in depressive patients in previous studies. This supports the evidence that BPD could in part be related with the spectrum of the affective temperament and affective disorders.
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Affiliation(s)
- C Jayaro
- Departamento de Psicología, Universidad Metropolitana, Hospital Neuropsiquiátrico Jesús Mata de Gregorio, Caracas, Venezuela
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Terao C, Ohmura K, Kochi Y, Ikari K, Maruya E, Katayama M, Shimada K, Murasawa A, Honjo S, Takasugi K, Matsuo K, Tajima K, Suzuki A, Yamamoto K, Momohara S, Yamanaka H, Yamada R, Saji H, Matsuda F, Mimori T. A large-scale association study identified multiple HLA-DRB1 alleles associated with ACPA-negative rheumatoid arthritis in Japanese subjects. Ann Rheum Dis 2011; 70:2134-9. [DOI: 10.1136/annrheumdis-2011-200353] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Satoh Y, Tajima K, Nakamoto S, Xuerong H, Matsushima T, Ohshima T, Kawano S, Erata T, Dairi T, Munekata M. Isolation of a thermotolerant bacterium producing medium-chain-length polyhydroxyalkanoate. J Appl Microbiol 2011; 111:811-7. [PMID: 21714837 DOI: 10.1111/j.1365-2672.2011.05093.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
AIMS The aim of this study was to isolate a thermotolerant micro-organism that produces polyhydroxyalkanoates (PHAs) composed of medium-chain-length (mcl) HA units from a biodiesel fuel (BDF) by-product as a carbon source. METHODS AND RESULTS We successfully isolated a thermotolerant micro-organism, strain SG4502, capable to accumulate mcl-PHA from a BDF by-product as a carbon source at a cultivation temperature of 45°C. The strain could also produce mcl-PHA from acetate, octanoate and dodecanoate as sole carbon sources at cultivation temperatures up to 55°C. Taxonomic studies and 16S rRNA gene sequence analysis revealed that strain SG4502 was phylogenetically affiliated with species of the genus Pseudomonas. This study is the first report of PHA synthesis by a thermotolerant Pseudomonas. CONCLUSIONS A novel thermotolerant bacterium capable to accumulate mcl-PHA from a BDF by-product was successfully isolated. SIGNIFICANCE AND IMPACT OF THE STUDY A major issue regarding industrial production of microbial PHAs is their much higher production cost compared with conventional petrochemical-based plastic materials. Especially significant are the cost of a fermentative substrate and the running cost to maintain a temperature suitable for microbial growth. Thus, strain SG4502, isolated in this study, which assimilates BDF by-product and produces PHA at high temperature, would be very useful for practical application in industry.
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Affiliation(s)
- Y Satoh
- Division of Biotechnology and Macromolecular Chemistry, Graduate School of Engineering, Hokkaido University, Sapporo, Japan.
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Chihara D, Matsuo K, Kanda J, Hosono S, Ito H, Nakamura S, Seto M, Morishima Y, Tajima K, Tanaka H. Inverse association between soy intake and non-Hodgkin lymphoma risk among women: a case-control study in Japan. Ann Oncol 2011; 23:1061-6. [PMID: 21765045 DOI: 10.1093/annonc/mdr320] [Citation(s) in RCA: 2] [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] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Non-Hodgkin lymphoma (NHL) is one of the common malignant tumors worldwide. Environmental factors, such as diet have an important association with the risk of cancer. Although soy intake has been associated with a reduced risk of several cancers, its association with NHL is not known. PATIENTS AND METHODS We evaluated the association between soy consumption and risk of NHL by conducting a hospital-based case-control study in 302 patients with NHL and 1510 age- and sex-matched control subjects. Odds ratio (OR) and 95% confidence intervals (CIs) for groups with moderate (27-51 g/day) to high (>51 g/day) relative to low (<27 g/day) intake were calculated using multivariate conditional logistic regression model. RESULTS Soy intake was significantly associated with a reduced risk of NHL in women but not in men (OR [95% CI] for moderate and high intake: women, 0.64 [0.42-1.00] and 0.66 [0.42-1.02], respectively; men, 1.40 [0.87-2.24] and 1.33 [0.82-2.15], respectively; P-interaction = 0.02). This finding appeared consistent across NHL subtypes. CONCLUSION These results indicate the potential importance of certain ingredients in soy for lymphomagenesis. Further studies to evaluate the mechanism behind the association between soy intake and lymphomagenesis are warranted.
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Affiliation(s)
- D Chihara
- Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Nagoya, Japan
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Matsuse M, Takahashi M, Mitsutake N, Nishihara E, Hirokawa M, Kawaguchi T, Rogounovitch T, Saenko V, Bychkov A, Suzuki K, Matsuo K, Tajima K, Miyauchi A, Yamada R, Matsuda F, Yamashita S. The FOXE1 and NKX2-1 loci are associated with susceptibility to papillary thyroid carcinoma in the Japanese population. J Med Genet 2011; 48:645-8. [DOI: 10.1136/jmedgenet-2011-100063] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Takahashi F, Chiba N, Tajima K, Hayashida T, Shimada T, Takahashi M, Moriyama H, Brachtel E, Edelman EJ, Ramaswamy S, Maheswaran S. Breast tumor progression induced by loss of BTG2 expression is inhibited by targeted therapy with the ErbB/HER inhibitor lapatinib. Oncogene 2011; 30:3084-95. [PMID: 21339742 DOI: 10.1038/onc.2011.24] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The B-cell translocation gene-2 (BTG2), a p53-inducible gene, is suppressed in mammary epithelial cells during gestation and lactation. In human breast cancer, decreased BTG2 expression correlates with high tumor grade and size, p53 status, blood and lymph vessel invasion, local and metastatic recurrence and decrease in overall survival, suggesting that suppression of BTG2 has a critical role in disease progression. To analyze the role of BTG2 in breast cancer progression, BTG2 expression was knocked down in mammary epithelial cells. Suppression of BTG2 enhances the motility of cells in vitro and tumor growth and metastasis in vivo. The effects of BTG2 knockdown are mediated through stabilization of the human epidermal growth factor receptor (HER) ligands neuregulin and epiregulin and activation of the HER2 and HER3 receptors, leading to elevated AKT phosphorylation. Suppression of HER activation using the tyrosine kinase inhibitor lapatinib abrogates the effects of BTG2 knockdown, including the increased cell migration observed in vitro and the enhancement of tumorigenesis and metastasis in vivo. These results link BTG2-dependent effects on tumor progression to ErbB receptor signaling, and raise the possibility that targeted inhibition of this pathway may be relevant in the treatment of breast cancers that have reduced BTG2 expression.
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Affiliation(s)
- F Takahashi
- Department of Surgery, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA 02129, USA
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Matsushima M, Suzuki T, Tajima K, Takagi A, Mine T. Education and imaging: gastrointestinal: colonic intusscusception to the rectum with a sigmoid colon cancer as a lead point. J Gastroenterol Hepatol 2011; 26:414. [PMID: 21261736 DOI: 10.1111/j.1440-1746.2010.06607.x] [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: 12/09/2022]
Affiliation(s)
- M Matsushima
- Internal Medicine (Gastroenterology) Internal Medicine (General Internal Medicine), Tokai University School of Medicine, Tokyo, Japan
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Katanoda K, Saika K, Yamamoto S, Tanaka S, Oshima A, Nakamura M, Satoh H, Tajima K, Suzuki T, Tamakoshi A, Tsugane S, Sobue T. Projected Cancer Mortality Among Japanese Males Under Different Smoking Prevalence Scenarios: Evidence for Tobacco Control Goal Setting. Jpn J Clin Oncol 2011; 41:483-9. [DOI: 10.1093/jjco/hyq247] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [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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Slavicek R, Tajima K, Sudmann V. Importance of skeletal location of maxilla to determine the vertical dimension of occlusion. J Stomat Occ Med 2010. [DOI: 10.1007/s12548-010-0060-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Abstract
The incidence of immune-mediated anaphylaxis during anesthesia ranges from 1 in 10,000 to 1 in 20,000. Neuromuscular blocking agents are most frequently incriminated, followed by latex and antibiotics, although any drug or substance used may be a culprit. Diagnosis relies on tryptase measurements at the time of the reaction and skin tests, specific immunoglobulin E, or basophil activation assays. Treatment consists of rapid volume expansion and epinephrine administration titrated to symptom severity.
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Affiliation(s)
- P M Mertes
- Service d'Anesthésie-Réanimation Chirurgicale, CHU de Nancy, Hôpital Central, 29 Avenue de Lattre de Tassigny, 54035 Nancy Cedex, France.
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Yamamoto Y, Yamamoto N, Tajima K, Ohno A, Washimi Y, Ishimura D, Washimi O, Yamada H. Characterization of human multicentric osteosarcoma using newly established cells derived from multicentric osteosarcoma. J Cancer Res Clin Oncol 2010; 137:423-33. [PMID: 20440512 DOI: 10.1007/s00432-010-0885-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2009] [Accepted: 04/06/2010] [Indexed: 02/03/2023]
Abstract
PURPOSE Human multicentric osteosarcoma (HMOS) is a rare, aggressive variant of osteosarcoma, and its etiology is not clear. We used newly established HMOS cells, which were derived from primary (HMOS-A) and secondary (HMOS-P) lesions, respectively, to perform a basic study analyzing the cellular biology and gene expression of HMOS. METHODS We performed a cell growth assay, an invasion assay, DNA microarray analysis, quantitative real-time RT-PCR (Qrt-PCR), and a telomerase assay and compared the results between HMOS-A, HMOS-P, and human osteosarcoma (HOS) cell lines (MNNG-HOS and Saos-2). RESULTS The cell biological analysis revealed that HMOS-A and HMOS-P had similar characteristics to Saos-2, and the invasion assay showed that they had similar characteristics to MNNG-HOS. The DNA microarray study showed that the gene expression profiles of HMOS-A and HMOS-P were similar to that of MNNG-HOS, but the overexpression of MMP-2, MMP-9, and MT1-MMP was observed in HMOS-A and HMOS-P, which was correlated with the invasiveness of the extracellular matrix, and collagen type-4 (COL-4) and VEGF were also detected. HMOS-A and HMOS-P showed low telomerase activity similar to Saos-2, which are known to be telomerase negative, but a similar telomere length and telomerase protein to MNNG-HOS. CONCLUSIONS HMOS-A and HMOS-P demonstrated strong invasive ability, and their gene expression profiles correlated with the invasiveness of the extracellular matrix. Their telomerase activity was low, but they did not shown the typical features of alternative lengthening of telomeres (ALT). HMOS-A and HMOS-P are useful models for further study of various biological aspects and therapeutic manipulation of HMOS.
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Affiliation(s)
- Y Yamamoto
- Department of Orthopaedics Surgery, School of Medicine, Fujita Health University, Toyoake-city, Aichi, 470-1192, Japan.
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Hosono S, Matsuo K, Kajiyama H, Hirose K, Suzuki T, Kawase T, Kidokoro K, Nakanishi T, Hamajima N, Kikkawa F, Tajima K, Tanaka H. Association between dietary calcium and vitamin D intake and cervical carcinogenesis among Japanese women. Eur J Clin Nutr 2010; 64:400-9. [DOI: 10.1038/ejcn.2010.28] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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