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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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Sato T, Shimada K, Akase Z, Magara H, Tomita T, Shindo D. Electron holography observation of electron spin polarization around charged insulating wire. Microscopy (Oxf) 2023:dfad056. [PMID: 37952124 DOI: 10.1093/jmicro/dfad056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 10/26/2023] [Accepted: 11/10/2023] [Indexed: 11/14/2023] Open
Abstract
We report direct observation by electron holography of the spin polarization of electrons in a vacuum region around a charged SiO2 wire coated with Pt-Pd. Irradiating the SiO2 wire with 300-keV electrons caused the wire to become positively charged due to the emission of secondary electrons. The spin polarization of these electrons interacting with the charged wire was observed in situ using a phase reconstruction process under an external magnetic field. The magnetic field of the spin-polarized electrons was simulated taking into account the distribution of secondary electrons and the effect of the external magnetic field.
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Affiliation(s)
- Takafumi Sato
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan
| | - Keiko Shimada
- RIKEN Center for Emergent Matter Science (CEMS), Wako 351-0198, Japan
| | - Zentaro Akase
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan
| | - Hideyuki Magara
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan
| | - Takeshi Tomita
- RIKEN Center for Emergent Matter Science (CEMS), Wako 351-0198, Japan
| | - Daisuke Shindo
- RIKEN Center for Emergent Matter Science (CEMS), Wako 351-0198, Japan
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Bharti V, Sugawa S, Mizoguchi M, Kunimi M, Zhang Y, de Léséleuc S, Tomita T, Franz T, Weidemüller M, Ohmori K. Picosecond-Scale Ultrafast Many-Body Dynamics in an Ultracold Rydberg-Excited Atomic Mott Insulator. Phys Rev Lett 2023; 131:123201. [PMID: 37802940 DOI: 10.1103/physrevlett.131.123201] [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] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 07/06/2022] [Accepted: 08/03/2023] [Indexed: 10/08/2023]
Abstract
We report the observation and control of ultrafast many-body dynamics of electrons in ultracold Rydberg-excited atoms, spatially ordered in a three-dimensional Mott insulator (MI) with unity filling in an optical lattice. By mapping out the time-domain Ramsey interferometry in the picosecond timescale, we can deduce entanglement growth indicating the emergence of many-body correlations via dipolar forces. We analyze our observations with different theoretical approaches and find that the semiclassical model breaks down, thus indicating that quantum fluctuations play a decisive role in the observed dynamics. Combining picosecond Rydberg excitation with MI lattice thus provides a platform for simulating nonequilibrium dynamics of strongly correlated systems in synthetic ultracold atomic crystals, such as in a metal-like quantum gas regime.
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Affiliation(s)
- V Bharti
- Institute for Molecular Science, National Institutes of Natural Sciences, Okazaki 444-8585, Japan
| | - S Sugawa
- Institute for Molecular Science, National Institutes of Natural Sciences, Okazaki 444-8585, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Okazaki 444-8585, Japan
| | - M Mizoguchi
- Institute for Molecular Science, National Institutes of Natural Sciences, Okazaki 444-8585, Japan
| | - M Kunimi
- Institute for Molecular Science, National Institutes of Natural Sciences, Okazaki 444-8585, Japan
| | - Y Zhang
- Institute for Molecular Science, National Institutes of Natural Sciences, Okazaki 444-8585, Japan
- College of Physics and Electronic Engineering, and Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi 030006, China
| | - S de Léséleuc
- Institute for Molecular Science, National Institutes of Natural Sciences, Okazaki 444-8585, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Okazaki 444-8585, Japan
| | - T Tomita
- Institute for Molecular Science, National Institutes of Natural Sciences, Okazaki 444-8585, Japan
| | - T Franz
- Physikalisches Institut, Universität Heidelberg, Im Neuenheimer Feld 226, 69120 Heidelberg, Germany
| | - M Weidemüller
- Physikalisches Institut, Universität Heidelberg, Im Neuenheimer Feld 226, 69120 Heidelberg, Germany
| | - K Ohmori
- Institute for Molecular Science, National Institutes of Natural Sciences, Okazaki 444-8585, Japan
- SOKENDAI (The Graduate University for Advanced Studies), Okazaki 444-8585, Japan
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Han Y, Tomita T, Kato M, Ashihara N, Higuchi Y, Matoba H, Wang W, Hayashi H, Itoh Y, Takahashi S, Kurita H, Nakayama J, Okumura N, Hiratsuka S. Citrullinated fibrinogen-SAAs complex causes vascular metastagenesis. Nat Commun 2023; 14:4960. [PMID: 37620307 PMCID: PMC10449786 DOI: 10.1038/s41467-023-40371-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 07/20/2023] [Indexed: 08/26/2023] Open
Abstract
Primary tumor cells metastasize to a distant preferred organ. However, the most decisive host factors that determine the precise locations of metastases in cancer patients remain unknown. We have demonstrated that post-translational citrullination of fibrinogen creates a metastatic niche in the vulnerable spots. Pulmonary endothelial cells mediate the citrullination of fibrinogen, changing its conformation, surface charge, and binding properties with serum amyloid A proteins (SAAs), to make it a host tissue-derived metastatic pathogen. The human-specific SAAs-citrullinated fibrinogen (CitFbg) complex recruits cancer cells to form a protein-metastatic cell aggregation in humanized SAA cluster mice. Furthermore, a CitFbg peptide works as a competitive inhibitor to block the homing of metastatic cells into the SAAs-CitFbg sites. The potential metastatic sites in the lungs of patients are clearly visualized by our specific antibody for CitFbg. Thus, CitFbg deposition displays metastatic risks for cancer patients, and the citrullinated peptide is a new type of metastasis inhibitor.
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Affiliation(s)
- Yibing Han
- Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University School of Medicine, Matsumoto, Japan
- Department of Biochemistry and Molecular Biology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Takeshi Tomita
- Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University School of Medicine, Matsumoto, Japan
- Department of Biochemistry and Molecular Biology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Masayoshi Kato
- Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University School of Medicine, Matsumoto, Japan
- Department of Biochemistry and Molecular Biology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Norihiro Ashihara
- Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University School of Medicine, Matsumoto, Japan
- Department of Biochemistry and Molecular Biology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yumiko Higuchi
- Department of Health and Medical Sciences, Graduate School of Medicine, Shinshu University, Matsumoto, Japan
- Department of Biomedical Laboratory Sciences, Shinshu University School of Medicine, Matsumoto, Japan
| | - Hisanori Matoba
- Department of Molecular Pathology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Weiyi Wang
- Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University School of Medicine, Matsumoto, Japan
- Department of Biochemistry and Molecular Biology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Hikaru Hayashi
- Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University School of Medicine, Matsumoto, Japan
- Department of Biochemistry and Molecular Biology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yuji Itoh
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan
| | - Satoshi Takahashi
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan
| | - Hiroshi Kurita
- Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, Matsumoto, Japan
| | - Jun Nakayama
- Department of Molecular Pathology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Nobuo Okumura
- Department of Health and Medical Sciences, Graduate School of Medicine, Shinshu University, Matsumoto, Japan
- Department of Biomedical Laboratory Sciences, Shinshu University School of Medicine, Matsumoto, Japan
| | - Sachie Hiratsuka
- Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University School of Medicine, Matsumoto, Japan.
- Department of Biochemistry and Molecular Biology, Shinshu University School of Medicine, Matsumoto, Japan.
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Van der Heijde D, Baraliakos X, Dougados M, Brown M, Poddubnyy D, Van den Bosch F, Haroon N, Xu H, Tomita T, Gensler LS, Oortgiesen M, Fleurinck C, Vaux T, Marten A, Deodhar A. OP0019 BIMEKIZUMAB IN PATIENTS WITH ACTIVE ANKYLOSING SPONDYLITIS: 24-WEEK EFFICACY & SAFETY FROM BE MOBILE 2, A PHASE 3, MULTICENTRE, RANDOMISED, PLACEBO-CONTROLLED STUDY. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.2441] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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
BackgroundBimekizumab (BKZ) is a monoclonal IgG1 antibody that selectively inhibits IL-17F in addition to IL-17A. In a phase 2b study, BKZ showed rapid and sustained efficacy and was well tolerated up to 156 weeks (wks) in patients (pts) with active ankylosing spondylitis (AS).1,2ObjectivesTo assess efficacy and safety of BKZ vs placebo (PBO) in pts with active AS up to Wk 24 in the ongoing pivotal phase 3 study, BE MOBILE 2.MethodsBE MOBILE 2 (NCT03928743) comprises a 16-wk double-blind, PBO-controlled period and 36-wk maintenance period. Pts were aged ≥18 yrs, met modified New York criteria and had active AS (BASDAI ≥4, spinal pain ≥4) at BL. Pts were randomised 2:1, BKZ 160 mg Q4W:PBO. From Wk 16, all pts received BKZ 160 mg Q4W. Primary and secondary efficacy endpoints were assessed at Wk 16.ResultsOf 332 randomised pts (BKZ: 221; PBO: 111), 322 (97.0%) completed Wk 16 and 313 (94.3%) Wk 24. BL characteristics were comparable between groups: mean age 40.4 yrs, symptom duration 13.5 yrs; 72.3% pts male, 85.5% HLA-B27+, 16.3% TNFi-experienced. At Wk 16, the primary (ASAS40: 44.8% BKZ vs 22.5% PBO; p<0.001) and all ranked secondary endpoints were met (Table 1). Responses with BKZ were rapid, including in PBO pts who switched to BKZ at Wk 16, and increased to Wk 24 (Figure 1; Table 1). Substantial reductions of hs-CRP by Wk 2 and MRI SIJ and spine inflammation by Wk 16 were achieved with BKZ vs PBO (Table 1). At Wk 24, ≥50% pts had achieved ASDAS <2.1 (Figure 1).Table 1.Efficacy at Wks 16 and 24BLWk 16Wk 24PBO N=111BKZ 160 mg Q4W N=221PBO N=111BKZ 160 mg Q4W N=221p valuePBO→BKZ 160 mg Q4W N=111BKZ 160 mg Q4W N=221Ranked endpoints in hierarchical orderASAS40* [NRI] n (%)--25 (22.5)99 (44.8)<0.00163 (56.8)119 (53.8)ASAS40 in TNFi-naïve† [NRI] n (%)--22 (23.4)a84 (45.7)b<0.00156 (59.6)a100 (54.3)bASAS20† [NRI]n (%)--48 (43.2)146 (66.1)<0.00185 (76.6)159 (71.9)BASDAI CfB† [MI] mean (SE)6.5 (0.1)6.5 (0.1)–1.9 (0.2)–2.9 (0.1)<0.001–3.3 (0.2)–3.3 (0.1)ASAS PR† [NRI]n (%)--8 (7.2)53 (24.0)<0.00128 (25.2)56 (25.3)ASDAS-MI† [NRI] n (%)--6 (5.4)57 (25.8)<0.00143 (38.7)67 (30.3)ASAS 5/6† [NRI]n (%)--16 (14.4)94 (42.5)<0.00157 (51.4)107 (48.4)BASFI CfB† [MI] mean (SE)5.2 (0.2)5.3 (0.2)–1.1 (0.2)–2.2 (0.1)<0.001–2.2 (0.2)–2.4 (0.2)Nocturnal spinal pain CfB† [MI]mean (SE)6.8 (0.2)6.6 (0.1)–1.9 (0.2)–3.3 (0.2)<0.001–3.7 (0.3)–3.8 (0.2)ASQoL CfB† [MI] mean (SE)8.5 (0.4)9.0 (0.3)–3.2 (0.3)–4.9 (0.3)<0.001–4.9 (0.4)–5.4 (0.3)SF-36 PCS CfB† [MI] mean (SE)34.6 (0.8)34.4 (0.6)5.9 (0.8)9.3 (0.6)<0.00110.6 (0.8)10.8 (0.6)BASMI CfB† [MI] mean (SE)3.8 (0.2)3.9 (0.1)–0.2 (0.1)–0.5 (0.1)0.005–0.5 (0.1)–0.6 (0.1)Other endpointsnEnthesitis-free state†c [NRI]n (%)--22 (32.8)d68 (51.5)e-33 (49.3)d70 (53.0)eASAS40 in TNFi-experienced [NRI]n (%)--3 (17.6)f15 (40.5)g---ASDAS-CRP CfB [MI]mean (SE)3.7 (0.1)3.7 (0.1)–0.7 (0.1)–1.4 (0.1)-–1.7 (0.1)–1.6 (0.1)hs-CRP (mg/L) [MI] geometric mean (median)6.7 (6.3)6.5 (8.2)6.0 (6.3)2.4 (2.4)-1.9 (2.2)2.1 (2.3)MRI spine Berlin CfBh [OC] mean (SD)3.3 (4.9)i3.8 (5.3)j0.0 (1.4)k–2.3 (3.9)l---SPARCC MRI SIJ score CfBh [OC] mean (SD)5.8 (7.7)i7.4 (10.7)m1.1 (6.9)k–5.6 (9.9)l---Randomised set. *Primary endpoint; †Secondary endpoint; an=94; bn=184; cMASES=0 in pts with BL MASES >0; dn=67; en=132; fn=17; gn=37; hIn pts in MRI sub-study; in=45; jn=82; kn=43; ln=79; mn=83; nNominal p values not shown.Over 16 wks, 120/221 (54.3%) BKZ pts had ≥1 TEAE vs 48/111 (43.2%) PBO; three most frequent on BKZ were nasopharyngitis (BKZ: 7.7%; PBO: 3.6%), headache (4.1%; 4.5%) and oral candidiasis (4.1%; 0%). No systemic candidiasis was observed. Up to 16 wks, incidence of SAEs was low (1.8%; 0.9%); no MACE or deaths were reported; 2 (0.9%) IBD cases occurred in pts on BKZ.ConclusionDual inhibition of IL-17A and IL-17F with BKZ in pts with active AS resulted in rapid, clinically relevant improvements in efficacy outcomes vs PBO. No new safety signals were observed.1,2References[1]van der Heijde D. Ann Rheum Dis 2020;79:595–604; 2. Gensler L. Arthritis Rheumatol 2021;73(suppl 10):0491.AcknowledgementsThis study was funded by UCB Pharma. Editorial services were provided by Costello Medical.Disclosure of InterestsDésirée van der Heijde Consultant of: AbbVie, Bayer, BMS, Cyxone, Eisai, Galapagos, Gilead, Glaxo-Smith-Kline, Janssen, Lilly, Novartis, Pfizer, UCB Pharma, Employee of: Imaging Rheumatology BV (Director), Xenofon Baraliakos Speakers bureau: AbbVie, BMS, Chugai, Eli Lilly, Galapagos, Gilead, MSD, Novartis, Pfizer, and UCB Pharma, Paid instructor for: AbbVie, BMS, Chugai, Eli Lilly, Galapagos, Gilead, MSD, Novartis, Pfizer, and UCB Pharma, Consultant of: AbbVie, BMS, Chugai, Eli Lilly, Galapagos, Gilead, MSD, Novartis, Pfizer, and UCB Pharma, Maxime Dougados Consultant of: AbbVie, Eli Lilly, Novartis, Merck, Pfizer, and UCB Pharma, Grant/research support from: AbbVie, Eli Lilly, Novartis, Pfizer, and UCB Pharma, Matt Brown Speakers bureau: Novartis, Consultant of: Pfizer, Clementia, Ipsen, Regeneron, Grey Wolf Therapeutics, Grant/research support from: UCB Pharma, Denis Poddubnyy Speakers bureau: AbbVie, BMS, Eli Lilly, MSD, Novartis, Pfizer, and UCB Pharma, Consultant of: AbbVie, Biocad, Eli Lilly, Gilead, GSK, MSD, Novartis, Pfizer, Samsung Bioepis, and UCB Pharma, Grant/research support from: AbbVie, MSD, Novartis, and Pfizer, Filip van den Bosch Speakers bureau: AbbVie, Bristol Myers-Squibb, Celgene, Janssen, Merck, Novartis, Pfizer and UCB Pharma, Consultant of: AbbVie, Amgen, Eli Lilly, Galapagos, Janssen, Merck, Novartis, Pfizer and UCB Pharma, Nigil Haroon Consultant of: AbbVie, Amgen, Janssen, Merck, Novartis and UCB Pharma, Huji Xu: None declared, Tetsuya Tomita Speakers bureau: AbbVie, Astellas, Bristol-Myers Squibb, Eisai, Eli Lilly, Janssen, Kyowa Kirin, Mitsubishi-Tanabe, Novartis, and Pfizer, Consultant of: AbbVie, Eli Lilly, Gilead, Novartis, and Pfizer, Lianne S. Gensler Consultant of: AbbVie, Eli Lilly, Gilead, GSK, Novartis, Pfizer, and UCB Pharma, Grant/research support from: Novartis, Pfizer, and UCB Pharma; paid to institution, Marga Oortgiesen Employee of: UCB Pharma, Carmen Fleurinck Employee of: UCB Pharma, Thomas Vaux Employee of: UCB Pharma, Alexander Marten Employee of: UCB Pharma, Atul Deodhar Speakers bureau: Janssen, Novartis, and Pfizer; consultant of AbbVie, Amgen, Aurinia, BMS, Celgene, Eli Lilly, GSK, Janssen, MoonLake, Novartis, Pfizer, and UCB Pharma, Grant/research support from: AbbVie, Eli Lilly, GSK, Novartis, Pfizer, and UCB Pharma.
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Tomita T, Kato M, Mishima T, Matsunaga Y, Sanjo H, Ito KI, Minagawa K, Matsui T, Oikawa H, Takahashi S, Takao T, Iwai N, Mino T, Takeuchi O, Maru Y, Hiratsuka S. Extracellular mRNA transported to the nucleus exerts translation-independent function. Nat Commun 2021; 12:3655. [PMID: 34135341 PMCID: PMC8208975 DOI: 10.1038/s41467-021-23969-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 05/27/2021] [Indexed: 12/19/2022] Open
Abstract
RNA in extracellular vesicles (EVs) are uptaken by cells, where they regulate fundamental cellular functions. EV-derived mRNA in recipient cells can be translated. However, it is still elusive whether “naked nonvesicular extracellular mRNA” (nex-mRNA) that are not packed in EVs can be uptaken by cells and, if so, whether they have any functions in recipient cells. Here, we show the entrance of nex-mRNA in the nucleus, where they exert a translation-independent function. Human nex-interleukin-1β (IL1β)-mRNA outside cells proved to be captured by RNA-binding zinc finger CCCH domain containing protein 12D (ZC3H12D)-expressing human natural killer (NK) cells. ZC3H12D recruited to the cell membrane binds to the 3′-untranslated region of nex-IL1β-mRNA and transports it to the nucleus. The nex-IL1β-mRNA in the NK cell nucleus upregulates antiapoptotic gene expression, migration activity, and interferon-γ production, leading to the killing of cancer cells and antimetastasis in mice. These results implicate the diverse actions of mRNA. Nonvesicular extracellular RNA (nex-RNA) that are not packed in extracellular vesicles is detected outside the cell, but it is poorly understood. Here the authors report that nex-RNA is captured by a zinc finger protein and transported to the nucleus to enhance antimetastatic characters of the cell.
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Affiliation(s)
- Takeshi Tomita
- Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, School of Medicine, Matsumoto, Nagano, Japan.,Department of Biochemistry and Molecular Biology, Shinshu University, School of Medicine, Matsumoto, Nagano, Japan
| | - Masayoshi Kato
- Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, School of Medicine, Matsumoto, Nagano, Japan.,Department of Biochemistry and Molecular Biology, Shinshu University, School of Medicine, Matsumoto, Nagano, Japan
| | - Taishi Mishima
- Department of Pharmacology, Tokyo Women's Medical University, Shinjuku, Tokyo, Japan
| | - Yuta Matsunaga
- Department of Pharmacology, Tokyo Women's Medical University, Shinjuku, Tokyo, Japan
| | - Hideki Sanjo
- Department of Molecular and Cellular Immunology, Shinshu University, School of Medicine, Matsumoto, Nagano, Japan
| | - Ken-Ichi Ito
- Division of Breast, Endocrine and Respiratory Surgery, Department of Surgery, Shinshu University, School of Medicine, Matsumoto, Nagano, Japan
| | - Kentaro Minagawa
- Department of Hematology/Oncology, Penn State College of Medicine, Hershey, PA, USA
| | - Toshimitsu Matsui
- Department of Hematology, Nishiwaki Municipal Hospital, Nishiwaki, Hyogo, Japan
| | - Hiroyuki Oikawa
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan
| | - Satoshi Takahashi
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan
| | - Toshifumi Takao
- Institute for Protein Research, Osaka University, Suita, Osaka, Japan
| | - Noriki Iwai
- Department of Medical Chemistry, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takashi Mino
- Department of Medical Chemistry, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Osamu Takeuchi
- Department of Medical Chemistry, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yoshiro Maru
- Department of Pharmacology, Tokyo Women's Medical University, Shinjuku, Tokyo, Japan.
| | - Sachie Hiratsuka
- Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, School of Medicine, Matsumoto, Nagano, Japan. .,Department of Biochemistry and Molecular Biology, Shinshu University, School of Medicine, Matsumoto, Nagano, Japan.
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Tomita T, Kato M, Hiratsuka S. Regulation of vascular permeability in cancer metastasis. Cancer Sci 2021; 112:2966-2974. [PMID: 33966313 PMCID: PMC8353911 DOI: 10.1111/cas.14942] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/27/2021] [Accepted: 05/03/2021] [Indexed: 12/14/2022] Open
Abstract
Enhancement of vascular permeability is indispensable for cancer metastasis. Weakened endothelial barrier function enhances vascular permeability. Circulating tumor cells moving in the microvasculature tend to invade into stromal tissue at the location where vascular permeability is enhanced. Many basic studies have identified permeability factors by using gene‐modified animals and cells. These factors directly/indirectly interact with endothelial cells. Here, we review vascular permeability factors and their molecular mechanisms. Interactions between tumor cells and endothelial cells are also discussed in the process of extravasation, one of the most critical steps in tumor metastasis. In some cases, primary tumors can manipulate permeability in a remote organ by secreting permeability factors. In addition, the importance of glycocalyx, which covers the endothelial cell surface, in controlling vascular permeability and tumor metastasis is also described. Furthermore, analysis of the hyperpermeable region found in a mouse model study is introduced. It clearly showed that tumor‐bearing mouse lungs had a hyperpermeable region due to the influence of a remote primary tumor, and fibrinogen deposition was observed in that region. Given that fibrinogen was reported to be a permeability factor and a key regulator of inflammation, eliminating fibrinogen deposition may prevent future metastasis.
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Affiliation(s)
- Takeshi Tomita
- Department of Biochemistry and Molecular Biology, Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University School of Medicine, Matsumoto, Japan
| | - Masayoshi Kato
- Department of Biochemistry and Molecular Biology, Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University School of Medicine, Matsumoto, Japan
| | - Sachie Hiratsuka
- Department of Biochemistry and Molecular Biology, Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University School of Medicine, Matsumoto, Japan
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Braun J, Kiltz U, Deodhar A, Tomita T, Dougados M, Bolce R, Sandoval D, Adams D, Lin CY, Walsh JA. POS0912 LONG-TERM TREATMENT WITH IXEKIZUMAB IN PATIENTS WITH AXIAL SPONDYLOARTHRITIS: TWO-YEAR RESULTS FROM COAST-Y. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.1124] [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: 11/03/2022]
Abstract
Background:The efficacy and safety of the interleukin-17 inhibitor ixekizumab (IXE) for the treatment of radiographic (r-) and non-radiographic (nr-) axial spondyloarthritis (axSpA) has been shown for up to 52 weeks.1-2Objectives:To study the efficacy and safety of ixekizumab in the treatment of patients with r- and nr-axSpA for up to 116 weeks.Methods:COAST-Y (NCT03129100) is the 2-year extension of the COAST-V, -W, and -X trials. Patients continued with the dose received at the end of the originating trial at Week 52, either with 80 mg IXE every 4 weeks (Q4W) or every 2 weeks (Q2W). Patients who had been assigned to adalimumab or placebo were re-randomized to IXE Q4W or Q2W at Week 16 in COAST-V and -W. Patients who had received placebo for 52 weeks in COAST-X were switched to IXE Q4W in COAST-Y. Patients who switched from placebo or adalimumab treatment to IXE (COAST-V, -W, or -X) or from IXE Q4W to open-label IXE Q2W (COAST-X) during the originating studies were analyzed separately from patients continuously treated with IXE. Standardized efficacy measures were used (Table 1). Missing data were handled by non-responder imputation for categorical data and modified baseline observation carried forward for continuous data. Safety data were analyzed for all patients who received ≥1 dose of IXE.Table 1.Demographic and efficacy results for patients continuously treated with IXE for 116 weeksIXE Q4W N=157IXE Q2W N=195Demographics Age42.7 (13.0)41.8 (11.2) Male (n, [%])124 (79.0)132 (67.7) Baseline ASDAS3.92 (0.80)3.95 (0.76) Baseline BASDAI7.07 (1.26)7.18 (1.35) Baseline BASFI6.57 (1.76)6.74 (1.86) Baseline BASMI4.08 (1.46)3.97 (1.52) Baseline SF-36 PCS33.90 (7.27)33.26 (6.88)Outcome measureResponse (n, [%])Week 52Week 116Week 52Week 116 ASDAS <2.175 (47.8)69 (43.9)88 (45.1)96 (49.2) ASAS partial remission34 (21.7)31 (19.7)35 (17.9)39 (20.0) ASAS4082 (52.2)89 (56.7)99 (50.8)108 (55.4) BASDAI5078 (49.7)75 (47.8)83 (42.6)99 (50.8)Change from baseline ASDAS-1.64 (1.05)-1.60 (1.15)-1.63 (1.03)-1.78 (1.04) BASFI-2.88 (2.31)-2.76 (2.39)-2.83 (2.38)-3.15 (2.34) BASMI-0.57 (0.95)-0.57 (0.93)-0.53 (0.92)-0.60 (1.00) SF-36 PCS9.03 (8.62)8.43 (8.70)8.87 (7.57)9.86 (8.45)Data are mean (SD) unless otherwise noted. Non-responder imputation was used for categorical variables, and modified baseline observation carried forward for continuous variables.Results:Of the 773 patients enrolled in COAST-Y, 86.0% completed Week 116 of treatment (52 weeks of one of the originating trials and 64 weeks of COAST-Y). Among the patients continuously treated with IXE for 116 weeks (IXE Q4W: N=157; IXE Q2W: N=195), 46.9% achieved low disease activity (ASDAS <2.1), and 19.9% achieved ASAS partial remission at 116 weeks (Table 1; Figure 1). In comparison to baseline, 56.0% achieved ASAS40 (Table 1). The mean change from baseline at Week 116 was –1.70 for ASDAS, –2.98 for BASFI, and 9.22 for SF-36 Physical Component Summary (Table 1). Similar observed responses were achieved between the patients continuously treated with IXE and patients initially treated with placebo or adalimumab. For the 932 patients in the safety population, no new safety signals were identified.Conclusion:Ixekizumab treatment led to consistent and sustained long-term improvements in disease activity and quality of life in patients with r- and nr-axSpA, with no new safety signals after up to 2 years of treatment.References:[1]Dougados, et al. Ann Rheum Dis 2020;79:176-185.[2]Deodhar, et al. Lancet 2020; 395:53-64.Disclosure of Interests:Juergen Braun Speakers bureau: Abbvie, Amgen, BMS, Boehringer, Celgene, Celltrion, Centocor, Chugai, Eli Lilly and Company, Medac, MSD, Mundipharma, Novartis, Pfizer, Roche, Sanofi-Aventis, and UCB, Consultant of: Abbvie, Amgen, BMS, Boehringer, Celgene, Celltrion, Centocor, Chugai, Eli Lilly and Company, Medac, MSD, Mundipharma, Novartis, Pfizer, Roche, Sanofi-Aventis, and UCB, Grant/research support from: Abbvie, Amgen, BMS, Boehringer, Celgene, Celltrion, Centocor, Chugai, Eli Lilly and Company, Medac, MSD, Mundipharma, Novartis, Pfizer, Roche, Sanofi-Aventis, and UCB, Uta Kiltz Speakers bureau: AbbVie, Hexal, MSD, Novartis, Pfizer, Roche, and UCB, Consultant of: AbbVie, Biocad, Eli Lilly and Company, Grünenthal, Hexal, Janssen, Novartis, Pfizer, and UCB, Grant/research support from: AbbVie, Amgen, Biogen, Hexal, Novartis, and Pfizer, Atul Deodhar Consultant of: AbbVie, Amgen, Boehringer Ingelheim, Bristol Myers Squibb, Celgene, Eli Lilly and Company, Giliad, GlaxoSmith & Kline, Janssen, Novartis, Pfizer, and UCB, Grant/research support from: AbbVie, Boehringer Ingelheim, Eli Lilly and Company, GlaxoSmith & Kline, Novartis, Pfizer, and UCB, Tetsuya Tomita Speakers bureau: AbbVie, Astellas, Bristol-Myers Squibb, Eisai, Eli Lilly and Company, Janssen, Mitsubishi Tanabe, Novartis, Takeda, Pfizer, Consultant of: AbbVie, Astellas, Bristol-Myers Squibb, Eisai, Eli Lilly and Company, Janssen, Mitsubishi Tanabe, Novartis, Takeda, Pfizer, Maxime Dougados Consultant of: AbbVie, BMS, Eli Lilly and Company, Merck, Novartis, Pfizer, Roche, and UCB, Grant/research support from: AbbVie, BMS, Eli Lilly and Company, Merck, Novartis, Pfizer, Roche, and UCB, Rebecca Bolce Shareholder of: Eli Lilly and Company, Employee of: Eli Lilly and Company, David Sandoval Shareholder of: Eli Lilly and Company, Employee of: Eli Lilly and Company, David Adams Shareholder of: Eli Lilly and Company, Employee of: Eli Lilly and Company, Chen-Yen Lin Shareholder of: Eli Lilly and Company, Employee of: Eli Lilly and Company, Jessica A. Walsh Consultant of: AbbVie, Amgen, Eli Lilly and Company, Novartis, Pfizer, and UCB, Grant/research support from: AbbVie, Merck, and Pfizer
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Ono K, Kishimoto M, Fukui S, Kawaai S, Deshpande GA, Yoshida K, Ichikawa N, Kaneko Y, Kawasaki T, Matsui K, Morita M, Tada K, Takizawa N, Tamura N, Taniguchi A, Taniguchi Y, Tsuji S, Kobayashi S, Okada M, López-Medina C, Moltó A, Van der Heijde D, Dougados M, Komagata Y, Tomita T, Kaname S. POS0975 CLINICAL CHARACTERISTICS OF NONRADIOGRAPHIC AXIAL SPONDYLOARTHRITIS IN ASIAN COUNTRIES COMPARED TO OTHER REGIONS: RESULTS OF THE INTERNATIONAL CROSS-SECTIONAL ASAS-COMOSPA STUDY. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.1942] [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:Clinical characteristics of nonradiographic axial spondyloarthritis (nr-ax-SpA) are highly variable across patients, and may potentially vary across patient populations, particularly due to differing distributions of human leukocyte antigens (HLA) and other genetic factors. The majority of nr-ax-SpA studies have been conducted in Europe, the United States, and small studies are reported from Asia [1].Objectives:To delineate clinical characteristics of patients with nr-ax-SpA in Asian countries in comparison to other areas of the world.Methods:Utilizing the ASAS-COMOSPA data, an international cross-sectional observational study of SpA patients, we analyzed information on demographics, disease characteristics, comorbidities, and risk factors. Patients were classified by region: Asia (China, Japan, Singapore, South Korea, and Taiwan), and non-Asian countries (Europe, Americas, and Africa); patient characteristics, including diagnosis and treatment, were compared.Results:Among 3984 SpA patients included in the study, 1094 were from centers in Asian countries, and 2890 from other regions. 112/780 (14.4%) of axial SpA patients in Asian countries were nr-ax-SpA, substantially less than in other countries (486/1997, 24.3%). Nr-ax-SpA patients in Asian countries compared to nr-ax-SpA in other countries were more likely male (75.9 vs 47.1%), have onset (22.8 vs 27.8 years) and diagnosis (27.2 vs 34.5 years) at younger age, and experience less diagnostic delay (1.88 vs 2.92 years) (Table 1). Nr-ax-SpA patients in Asian countries have higher prevalence of positive HLA-B27 (90.6% vs 61.9%) and fewer peripheral signs such as arthritis, enthesitis, or dactylitis (53.6% vs 66.3%) but have similar rate of extra-articular manifestations (psoriasis, IBD, or uveitis) and co-morbidities. Disease activity, functional impairment, and inflammation on MRI were less in nr-ax-SpA patients in Asian countries. NSAIDs response was higher and use of methotrexate and b-DMARDs were lower among nr-ax-SpA in Asian countries.Conclusion:Among axial SpA patients, substantially lower frequency of nr-ax-SpA was observed in Asian countries compared to other regions of the world. Nr-ax-SpA patients in Asian countries were predominantly male, and had younger disease onset with higher HLA-B27 positivity rate and less peripheral signs, and better response to NSAIDs. These results offer an opportunity to improve both early diagnosis and treatment of nr-ax-SpA patients in Asian countries.Table 1.Characteristics of nonradiographic axial SpA in Asia versus non-Asian regionsVariablesAsianon-Asian regionsp valueN112486Age at disease diagnosis, yrs27.2 [21.1, 39.6]34.5 [27.7, 41.7]<0.001Diagnostic delay, yrs1.88 [0.27, 5.56]2.92 [0.59, 9.58]0.011Male (%)85 (75.9)229 (47.1)<0.001Sacroiliitis on MRI among tested (%)49 (67.1)341 (82.2)0.005HLA B27 positivity among measured (%)96 (90.6)273 (61.9)<0.001Inflammatory Back Pain (%)107 (95.5)478 (98.4)0.076Arthritis, enthesitis, or dactylitis (%)60 (53.6)322 (66.3)0.016Psoriasis (%)12 (10.7)82 (16.9)0.142Uveitis (%)20 (17.9)81 (16.7)0.870Inflammatory bowel disease (%)5 (4.5)27 (5.6)0.817Elevated CRP (%)37 (33.0)213 (43.8)0.048Physician global assessment (0-10)2.0 [1.0, 5.0]2.0 [1.0, 4.0]0.741Patient global assessment (0-10)3.0 [1.0, 6.0]4.0 [2.0, 6.0]0.012ASDAS-CRP1.40 [0.95, 2.08]1.97 [1.21, 2.78]<0.001BASFI0.8 [0.05, 2.65]2.9 [0.8, 5.6]<0.001Good response to NSAIDs (%)80 (71.4)272 (56.0)0.004Methotrexate use (%)18 (16.1)134 (27.6)0.016Biological DMARDs use (%)27 (24.1)191 (39.3)0.004References:[1]López-Medina C, Ramiro S, van der Heijde D, et al. Characteristics and burden of disease in patients with radiographic and non-radiographic axial Spondyloarthritis: a comparison by systematic literature review and meta-analysis. RMD Open. 2019 Nov 21;5(2): e001108.Acknowledgements:This study was conducted under the umbrella of the International Society for Spondyloarthritis Assessment (ASAS) and COMOSPA study was supported by unrestricted grants from Pfizer, AbbVie and UCB.Disclosure of Interests:Keisuke Ono: None declared, Mitsumasa Kishimoto Speakers bureau: AbbVie, Amgen-Astellas BioPharma, Asahi-Kasei Pharma, Astellas, Ayumi Pharma, BMS, Chugai, Daiichi-Sankyo, Eisai, Eli Lilly, Gilead, Janssen, Kyowa Kirin, Novartis, Ono Pharma, Pfizer, Tanabe-Mitsubishi, Teijin Pharma, and UCB Pharma, Consultant of: AbbVie, Amgen-Astellas BioPharma, Asahi-Kasei Pharma, Astellas, Ayumi Pharma, BMS, Chugai, Daiichi-Sankyo, Eisai, Eli Lilly, Gilead, Janssen, Kyowa Kirin, Novartis, Ono Pharma, Pfizer, Tanabe-Mitsubishi, Teijin Pharma, and UCB Pharma, Sho Fukui: None declared, Satoshi Kawaai: None declared, Gautam A. Deshpande: None declared, Kazuki Yoshida Consultant of: OM1, Inc., Grant/research support from: Corrona, LLC, Naomi Ichikawa: None declared, Yuko Kaneko Speakers bureau: AbbVie, Astellas, Ayumi, Bristol-Myers Squibb, Chugai, Eisai, Eli Lilly, Hisamitsu, Jansen, Kissei, Pfizer, Sanofi, Takeda, Tanabe-Mitsubishi, and UCB, Taku Kawasaki: None declared, Kazuo Matsui: None declared, Mitsuhiro Morita: None declared, Kurisu Tada: None declared, Naoho Takizawa: None declared, Naoto Tamura: None declared, Atsuo Taniguchi: None declared, Yoshinori Taniguchi: None declared, Shigeyoshi Tsuji: None declared, Shigeto Kobayashi: None declared, Masato Okada: None declared, Clementina López-Medina: None declared, Anna Moltó Consultant of: AbbVie, Pfizer, MSD, Novartis, Gilead, Lilly and UCB, Grant/research support from: AbbVie, Pfizer, MSD, Novartis, Gilead, Lilly and UCB, Désirée van der Heijde Consultant of: AbbVie, Amgen, Astellas, AstraZeneca, Bayer, BMS, Boehringer Ingelheim, Celgene, Cyxone, Daiichi, Eisai, Eli-Lilly, Galapagos, Gilead, Glaxo-Smith-Kline, Janssen, Merck, Novartis, Pfizer, Regeneron, Roche, Sanofi, Takeda, UCB Pharma, Employee of: Imaging Rheumatology bv. (Director), Maxime Dougados: None declared, Yoshinori Komagata: None declared, Tetsuya Tomita: None declared, Shinya Kaname: None declared.
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Murofushi K, Tomita T, Ishida T, Baba K, Numajiri H, Mizumoto M, Ohnishi K, Nakai K, Ishikawa H, Okumura T, Sakurai H. The Incidence of Venous Thromboembolism Induced by Prolonged Bed Rest during Interstitial Brachytherapy for Gynecological Cancer. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1530] [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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Kitaoka H, Izumi C, Izumiya Y, Inomata T, Ueda M, Kubo T, Koyama J, Sano M, Sekijima Y, Tahara N, Tsukada N, Tsujita K, Tsutsui H, Tomita T, Amano M, Endo J, Okada A, Oda S, Takashio S, Baba Y, Misumi Y, Yazaki M, Anzai T, Ando Y, Isobe M, Kimura T, Fukuda K. JCS 2020 Guideline on Diagnosis and Treatment of Cardiac Amyloidosis. Circ J 2020; 84:1610-1671. [PMID: 32830187 DOI: 10.1253/circj.cj-20-0110] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Hiroaki Kitaoka
- Department of Cardiology and Geriatrics, Kochi Medical School, Kochi University
| | - Chisato Izumi
- Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center
| | - Yasuhiro Izumiya
- Department of Cardiovascular Medicine, Osaka City University, Graduate School of Medicine
| | - Takayuki Inomata
- Department of Cardiovascular Medicine, Kitasato University Kitasato Institute Hospital
| | | | - Toru Kubo
- Department of Cardiology and Geriatrics, Kochi Medical School, Kochi University
| | - Jun Koyama
- Department of Internal Medicine, Maruko Central Hospital
| | - Motoaki Sano
- Department of Cardiology, Keio University School of Medicine
| | - Yoshiki Sekijima
- Department of Medicine (Neurology and Rheumatology), Shinshu University
| | - Nobuhiro Tahara
- Division of Cardiovascular Medicine, Department of Medicine, Kurume University School of Medicine
| | | | - Kenichi Tsujita
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University
| | | | - Takeshi Tomita
- Department of Cardiovascular Medicine, North Alps Medical Center Azumi Hospital
| | - Masashi Amano
- Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center
| | - Jin Endo
- Department of Cardiology, Keio University School of Medicine
| | - Atsushi Okada
- Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center
| | - Seitaro Oda
- Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University
| | - Seiji Takashio
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University
| | - Yuichi Baba
- Department of Cardiology and Geriatrics, Kochi Medical School, Kochi University
| | - Yohei Misumi
- Department of Neurology, Kumamoto University Graduate School of Medical Sciences
| | | | | | - Yukio Ando
- Department of Amyloidosis Research, Nagasaki International University
| | | | - Takeshi Kimura
- Department of Cardiovascular Medicine, Kyoto University Graduate School of Medicine
| | - Keiichi Fukuda
- Department of Cardiology, Keio University School of Medicine
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Furer V, Kishimoto M, Tsuji S, Taniguchi Y, Ishihara Y, Tomita T, Elkayam O. SAT0520 CONTROVERSY ON DIAGNOSIS AND TREATMENT OF ADULT PATIENTS WITH SAPHO SYNDROME: MULTI-DISCIPLINARY INTERNATIONAL SURVEY. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.6390] [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:Synovitis, acne, pustulosis, hyperostosis, osteitis (SAPHO) is a rare disease involving skin and skeleton, with a potentially complicated and severe course, optimal management of which seems to require a collaborative rheumatology and dermatology care. Diagnostic criteria for SAPHO remain preliminary and lack validation. There are no evidence-based treatment algorithms in SAPHO due to lack of clinical trials in this rare medical condition.Objectives:This study aimed to investigate the current practice in the diagnosis and treatment of SAPHO syndrome among the international rheumatology and dermatology communities.Methods:We conducted a survey among the members of the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA) combining international rheumatologists and dermatologists as well as members of the Japanese and Israeli Societies of Rheumatology.Results:A total of 78 physicians participated in the survey: rheumatologists (83%, n=65), dermatologists (11.5%, n=9), and orthopedics (3.8%, n=3). SAPHO was considered a subtype of spondylarthritis by 48.7% (n=38), a subtype of psoriatic arthritis by 19.2% (n=15), a separate entity by 25.6% (n=20), and a subtype of reactive arthritis by 6.4% (n=5). Palmoplantar pustulosis was the most prevalent cutaneous manifestation (n=44, 56.4%) and anterior chest pain - the most prevalent osteoarticular manifestation (n=66, 84.6%). The majority (84.6%, n=66) voted for the update of the present diagnostic criteria by Khan 1994. Magnetic resonance imaging was considered the preferred imaging modality for the diagnosis of SAPHO by 41% (n=32). Conduction of bone biopsy for diagnosis of non-infectious osteitis was supported only by 10.3% (n=8). Patient-reported outcomes were considered the most appropriate measure for the assessment of disease activity by 47.4% (n=37). The treatment approach was overall similar among the rheumatology and dermatology communities, including non-steroidal anti-inflammatory drugs, bisphosphonates, conventional disease-modifying anti-inflammatory drugs, and biologics (Table 1).Table 1.Preferences in the treatment choice of SAPHOTreatment% of respondersNSAIDs76.6%Glucocorticoids32.5%Conventional DMARDs57.1%Bisphosphonates48.1%Anti-TNF biologic therapy75.3%Other biologic therapy20.8%Antibiotic14.3%Tonsillectomy5.1%Isotretinoin5.2%Topical therapy10.4%Intra-articular steroid injection7.8%Legend: NSAIDs – non-steroidal anti-inflammatory drugs; DMARDs – disease modifying anti-rheumatic drugsConclusion:Our study underlines the controversy on diagnosis and treatment of SAPHO syndrome among specialists in rheumatology and dermatology and emphasizes an unmet need for update and validation of diagnostic criteria and treatment approach.Acknowledgments:GRAPPA, Japanese Society of Rheumatology, Israeli Society of RheumatologyDisclosure of Interests:Victoria Furer: None declared, Mitsumasa Kishimoto: None declared, Shigeyoshi Tsuji Grant/research support from: Eli Lilly, Speakers bureau: AbbVie, Asahi Kasei, Chugai, Daiichi Sankyo, Eli Lilly, Eisai, Mitsubishi Tanabe, Celgene, and Novartis Pharma K.K., Yoshinori Taniguchi: None declared, Yoko Ishihara: None declared, Tetsuya Tomita Consultant of: Eli Lilly and Company, Ori Elkayam Speakers bureau: AbbVie, BMS, Pfizer, Roche, Sanofi-Aventis, Novartis, Jansen
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Tomita T, Aranishi T, Hagimori K, Nakajo K, Booth N, Holdsworth E, Hunter T. AB0648 COMPARING SYMPTOMS, TREATMENT PATTERNS, AND QUALITY OF LIFE OF ANKYLOSING SPONDYLITIS PATIENTS AND NON-RADIOGRAPHIC AXIAL SPONDYLOARTHRITIS IN JAPAN. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.3289] [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: 11/03/2022]
Abstract
Background:Axial spondyloarthritis (axSpA) is a chronic inflammatory disease of the axial skeleton associated with impaired health-related quality of life (QoL) and disability.Objectives:To better understand the symptoms, clinical characteristics, treatment patterns, and quality of life (QoL), of non-radiographic axial spondyloarthritis (nr-axSpA) patients and how they compare to ankylosing spondylitis (AS) patients in Japan.Methods:Data from a cross-sectional survey conducted with physician (rheumatologists, orthopedic surgeon, and internal medicine) and their consulting patients in Japan were analyzed. Data were collected from Jun-Aug 2018 via physician-completed patient record forms and patient self-completed forms. Patients who had physician confirmed diagnoses of AS and nr-axSpA were eligible to participate. Demographics, disease status (improving, stable, unstable, deteriorating), symptoms, and medication use were reported by the physician, while work disability and QoL measures were reported by the patient using validated questionnaires. QoL and treatment patterns of nr-axSpA and AS patients were compared using parametric tests and non-parametric tests where appropriate.Results:Data from 41 physician, 72 AS patients, and 91 nr-axSpA patients were included in this analysis. A higher proportion of AS patients were male (70.8% vs. 58.2%; p=0.1040), yet this was not statistically significant. AS patients had a similar mean age (55.0 vs. 55.1; p=0.9762) compared to nr-axSpA patients. The majority of AS and nr-axSpA patients (61.1% vs. 62.9%; p=0.872) were not receiving a biologic. On average, AS and nr-axSpA patients reported similar rates of symptoms (Table 1). Patient reported outcomes such as the Assessment of SpondyloArthritis international Society Health Index (ASAS HI;6.0 vs. 6.4; p=0.6103), Patient Global Assessment (18.7 vs 22.7; p=0.4239), and the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI; 3.1 vs. 3.4; p=0.3453) were similar between AS and nr-axSpA patients. AS patients reported a lower EQ-5D VAS (62.6 vs. 71.3; p=0.0237) when compared to nr-axSpA patients.Table 1.Characteristics of AS and nr-axSpA Patients in JapanASN=72Nr-axSpAN=91p-valueMean age, (SD)55.0 (17.5)55.1 (16.5)0.9762Gender, males; n (%)51 (70.8%)53 (58.2%)0.1040BMI, mean (SD)23.4 (3.5)22.7 (3.1)0.1890Joint Inflammation or Stiffness; n (%)25 (34.7%)32 (35.2%)1.0000Inflammatory Back Pain; n(%)25 (34.7%)34 (37.4%)0.7456HLA-B27 positive; n (%)7 (9.7%)4 (4.4%)0.2169Alternating Buttock Pain; n (%)6 (8.3%)5 (5.5%)0.5390Dactylitis; n (%)5 (6.9%)6 (6.6%)1.0000Enthesitis; n (%)5 (6.9%)9 (9.9%)0.5825Tendonitis; n (%)0 (0.0%)2 (2.2%)0.5037Synovitis; n (%)3 (4.2%)4 (4.4%)1.0000Arthritis; n (%)15 (20.8%)26 (28.6%)0.2806Osteoporosis; n (%)8 (11.1%)13 (14.3%)0.6412Physician’s Global VAS, mean (SD)12.1 (11.2)22.6 (11.0)0.0100Patient Global VAS, mean (SD)18.7 (18.5)22.7 (11.7)0.4239EQ-5D VAS, mean (SD)62.6 (25.0)71.3 (20.2)0.0237BASDAI, mean (SD)3.1 (1.8)3.4 (2.6)0.3453ASAS HI, mean (SD)6.0 (4.3)6.4 (5.1)0.6103Conclusion:Nr-axSpA and AS being part of the same disease spectrum (i.e. axial spondyloarthritis) share the same clinical features. The burden of the disease, as assessed by QoL measurements, is also similar in AS and nr-axSpA patients.Figure 1.Medication Use among AS and nr-axSpA Patients in JapanDisclosure of Interests:Tetsuya Tomita Consultant of: Eli Lilly and Company, Toshihiko Aranishi Employee of: Eli Lilly Japan, Kohei Hagimori Employee of: Eli Lilly Japan, Ko Nakajo Employee of: Eli Lilly Japan, Nicola Booth Consultant of: Janssen, Elizabeth Holdsworth Employee of: Adelphi Real World, Theresa Hunter Shareholder of: Eli Lilly and Company, Employee of: Eli Lilly and Company
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Tsuji S, Tomita T, Higashiyama M, Noguchi T, Mouri T, Hashimoto J. AB0840 INFLUENCE OF PSORIATIC ARTHRITIS (PsA) ON BONE LOSS AND ANALYSIS BETWEEN AXIAL AND PERIPHERAL PsA IN JAPANESE PATIENTS. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.2826] [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: 11/03/2022]
Abstract
Background:Osteoporosis is one of the major comorbidities in patients with psoriasis and psoriatic arthritis (PsA). It has been reported that PsA induces fragility bone structure1and high risk of osteoporosis2. However, there is no report about relationship between psoriatic arthritis and osteoporosis in Japanese patients and its mechanism has not been elucidated.Objectives:The objective of this study is to investigate influence of PsA on bone mineral density (BMD) and its mechanism including analysis between axial and peripheral PsA in Japanese patients.Methods:This study was retrospective study. We examined 58 cases of PsA and 29 cases of RA that underwent DXA tests at our facility from January 2017 to July 2019 (Table 1). The axial PsA was classified as axial SpA using the ASAS classification criteria. First, we investigated influence of PsA containing both axial (n=30,19 males, 11 females, mean age: 50.6 years) and peripheral (n=28, 19 males, 9 females, mean age: 58.0 years) subtypes on BMD measured by dual-energy X-ray absorptiometry. Second, we measured serum bone metabolism markers (P1NP: type I procollagen-N-propeptide, TRACP-5b: tartrate-resistant acid phosphatase 5b) and bone remodeling effector molecules (Dkk1: Dickkopf1, sclerostin, 25(OH)D: 25-hydroxyvitamin D) to elucidate differences in BMD between axial and peripheral PsA. Furthermore, rheumatoid arthritis (RA) (n=29, 2 males, 27 females, mean age: 66.2 years), as a reference disease, was also evaluated for comparison with axial and peripheral PsA.Osteoporosis and Osteopenia were defined as T-score ≤ -2.5 or %YAM ≤70%., -1.0< T-score >-2.5 or 80>%YAM >70% respectively.Results:58 patients with PsA indicated low T-score, Z-score and %YAM in both lumbar spine and proximal femur (Table 1). Axial PsA and peripheral PsA showed osteoporosis in 16.7% and 35.7%, and osteopenia in 20.0% and 32.1%, respectively, despite the fact that there were many middle-aged men. Comparison between axial and peripheral PsA, axial PsA showed higher BMDthan peripheral PsA. In bone remodeling makers, P1NP in both PsA were almost same, but TRACP-5b, bone resorption marker, in axial PsA was lower than that in peripheral PsA(Table 2). In bone remodeling influencer molecules, Dkk1, and sclerostin in axial PsA was slightly higher than those in peripheral PsA, whereas 25(OH)D is almost same as the both PsA. On the other hand, RA also indicated low T-score and %YAM in both lumbar spine. P1NP in RA showed slightly lower, but TRACP-5b and Homocysteine in RA higher than those in axial and peripheral PsA. Dkk1 and sclerostin in RA were slightly lower than those in both PsA.Conclusion:Peripheral PsA indicated more severe bone loss than axial PsA in our study. There were some differences in bone remodeling markers and bone remodeling effector molecules between axial and peripheral PsA, but the relationships between BMD and these parameters were not confirmed. Further studies are needed to elucidate bone loss mechanism in these PsA.References:[1]Zhu TY, et al. Osteoporosis Int. 2015; 26:261–272.[2]Kathuria R, et al. J Am Acad Dermatol. 2017;76:1045-53.Disclosure of Interests:Shigeyoshi Tsuji Grant/research support from: Eli Lilly, Speakers bureau: AbbVie, Asahi Kasei, Chugai, Daiichi Sankyo, Eli Lilly, Eisai, Mitsubishi Tanabe, Celgene, and Novartis Pharma K.K., Tetsuya Tomita Consultant of: Eli Lilly and Company, Mari Higashiyama: None declared, Takaaki Noguchi: None declared, Toshikazu Mouri: None declared, Jun Hashimoto Speakers bureau: AbbVie, Asahi Kasei, Chugai, Daiichi Sankyo, Eli Lilly, Eisai, Mitsubishi Tanabe, Celgene, and Novartis Pharma K.K.
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Tarutani A, Arai T, Murayama S, Hisanaga S, Tomita T, Hasegawa M. Distinct prion-like seeding properties of α-synuclein strains and assessment of inactivation methods. J Neurol Sci 2019. [DOI: 10.1016/j.jns.2019.10.1072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Hiratsuka S, Tomita T, Mishima T, Matsunaga Y, Omori T, Ishibashi S, Yamaguchi S, Hosogane T, Watarai H, Omori-Miyake M, Yamamoto T, Shibata N, Watanabe A, Aburatani H, Tomura M, High KA, Maru Y. Hepato-entrained B220 +CD11c +NK1.1 + cells regulate pre-metastatic niche formation in the lung. EMBO Mol Med 2019; 10:emmm.201708643. [PMID: 29930175 PMCID: PMC6034134 DOI: 10.15252/emmm.201708643] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Primary tumours establish metastases by interfering with distinct organs. In pre-metastatic organs, a tumour-friendly microenvironment supports metastatic cells and is prepared by many factors including tissue resident cells, bone marrow-derived cells and abundant fibrinogen depositions. However, other components are unclear. Here, we show that a third organ, originally regarded as a bystander, plays an important role in metastasis by directly affecting the pre-metastatic soil. In our model system, the liver participated in lung metastasis as a leucocyte supplier. These liver-derived leucocytes displayed liver-like characteristics and, thus, were designated hepato-entrained leucocytes (HepELs). HepELs had high expression levels of coagulation factor X (FX) and vitronectin (Vtn) and relocated to fibrinogen-rich hyperpermeable regions in pre-metastatic lungs; the cells then switched their expression from Vtn to thrombospondin, both of which were fibrinogen-binding proteins. Cell surface marker analysis revealed that HepELs contained B220+CD11c+NK1.1+ cells. In addition, an injection of B220+CD11c+NK1.1+ cells successfully eliminated fibrinogen depositions in pre-metastatic lungs via FX Moreover, B220+CD11c+NK1.1+ cells demonstrated anti-metastatic tumour ability with IFNγ induction. These findings indicate that liver-primed B220+CD11c+NK1.1+ cells suppress lung metastasis.
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Affiliation(s)
- Sachie Hiratsuka
- Department of Pharmacology, Tokyo Women's Medical University School of Medicine, Shinjuku-ku, Tokyo, Japan .,PRESTO, Japan Science and Technology Agency (JST), Kawaguchi, Japan
| | - Takeshi Tomita
- Department of Pharmacology, Tokyo Women's Medical University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Taishi Mishima
- Department of Pharmacology, Tokyo Women's Medical University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Yuta Matsunaga
- Department of Pharmacology, Tokyo Women's Medical University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Tsutomu Omori
- Department of Pharmacology, Tokyo Women's Medical University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Sachie Ishibashi
- Department of Pharmacology, Tokyo Women's Medical University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Satoshi Yamaguchi
- Research Center for Advanced Science and Technology, The University of Tokyo, Tokyo, Japan
| | - Tsuyoshi Hosogane
- Research Center for Advanced Science and Technology, The University of Tokyo, Tokyo, Japan
| | - Hiroshi Watarai
- Division of Stem Cell Cellomics, The Institute of Medical Science of the University of Tokyo, Tokyo, Japan
| | - Miyuki Omori-Miyake
- Department of Microbiology and Immunology, Tokyo Women's Medical University School of Medicine, Tokyo, Japan
| | - Tomoko Yamamoto
- Department of Pathology, Tokyo Women's Medical University School of Medicine, Tokyo, Japan
| | - Noriyuki Shibata
- Department of Pathology, Tokyo Women's Medical University School of Medicine, Tokyo, Japan
| | - Akira Watanabe
- Genome Science Division, Research Center for Advanced Science and Technology, The University of Tokyo, Tokyo, Japan
| | - Hiroyuki Aburatani
- Genome Science Division, Research Center for Advanced Science and Technology, The University of Tokyo, Tokyo, Japan
| | - Michio Tomura
- Laboratory of Immunology, Faculty of Pharmacy, Osaka Ohtani University, Osaka, Japan
| | - Katherine A High
- Center for Cellular and Molecular Therapeutics, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Yoshiro Maru
- Department of Pharmacology, Tokyo Women's Medical University School of Medicine, Shinjuku-ku, Tokyo, Japan
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Tanemoto M, Tomita T, Motoharu Y, Urata M, Okazaki Y. Influence of Hemofiltration on Intradialytic Plasma Volume Decrease. Kidney Blood Press Res 2019; 44:88-93. [PMID: 30808847 DOI: 10.1159/000498839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/05/2019] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND/AIMS Compared with hemodialysis (HD), hemodiafiltration (HDF) reduces the frequency of episodes of intradialytic hypotension. Intradialytic plasma volume decrease (IPVD) induced by ultrafiltration is a leading cause of the episodes, and hemofiltration might have a preventive effect on IPVD. This study examined whether online HDF (ol-HDF) prevented IPVD compared with HD. METHODS Online HDF of pre-dilution mode (pre-ol-HDF) and post-dilution mode (post-ol-HDF) and HD were performed in 22 patients on maintenance dialysis. In each session, IPVD was calculated by using an intradialytic change in hematocrit, and IPVD in pre-ol-HDF and post-ol-HDF was compared with that in HD in a crossover manner. RESULTS While the ratios of intradialytic body weight loss to post-dialysis BW (IBWL/BW) in ol-HDF were generally smaller than those in HD, the levels of IPVD and IPVD/IBWL/BW were generally larger than those in HD; the IPVD levels were 0.108 ± 0.058, 0.113 ± 0.053, and 0.101 ± 0.057 (P = 0.67), and those of IPVD/IWL/BW were 2.21 ± 0.97, 2.32 ± 0.91, and 1.98 ± 1.14 (P = 0.21) in pre-ol-HDF, post-ol-HDF, and HD, respectively. CONCLUSION Online mode hemofiltration, in either pre-dilution mode or post-dilution mode, performed in combination with hemodialysis has no preventive effect on IPVD.
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Affiliation(s)
- Masayuki Tanemoto
- Division of Nephrology, Shin-Kuki General Hospital, Saitama, Department of Internal Medicine, Saitama, Japan, .,Dialysis Unit, Shin-Kuki General Hospital, Saitama, Japan,
| | - Takeshi Tomita
- Dialysis Unit, Shin-Kuki General Hospital, Saitama, Japan.,Department of Cardiovascular Surgery, Shin-Kuki General Hospital, Saitama, Japan
| | - Yosuke Motoharu
- Dialysis Unit, Shin-Kuki General Hospital, Saitama, Japan.,Department of Cardiovascular Surgery, Shin-Kuki General Hospital, Saitama, Japan
| | - Masahiro Urata
- Dialysis Unit, Shin-Kuki General Hospital, Saitama, Japan.,Department of Cardiovascular Surgery, Shin-Kuki General Hospital, Saitama, Japan
| | - Yukio Okazaki
- Dialysis Unit, Shin-Kuki General Hospital, Saitama, Japan.,Department of Cardiovascular Surgery, Shin-Kuki General Hospital, Saitama, Japan
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Tomita T, Ieguchi K, Deguchi A, Takita M, Tsukahara F, Hiratsuka S, Maru Y. Lung Tumor Cell Recruitment Assay. J Vis Exp 2019. [PMID: 30882774 DOI: 10.3791/53172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
To investigate the molecular mechanisms governing tumor metastasis, various assays using the mouse as a model animal have been proposed. Here, we demonstrate a simple assay to evaluate tumor cell extravasation or micrometastasis. In this assay, tumor cells were injected through the tail vein, and after a short period, the lungs were dissected and digested to count the accumulated labeled tumor cells. This assay skips the initial step of primary tumor invasion into the blood vessel and facilitates the study of events in the distant organ where tumor metastasis occurs. The number of cells injected into the blood vessel can be optimized to observe a limited number of metastases. It has been reported that stromal cells in the distant organ contribute to metastasis. Thus, this assay could be a useful tool to explore potential therapeutic drugs or devices for prevention of tumor metastasis.
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Affiliation(s)
- Takeshi Tomita
- Department of Pharmacology, Tokyo Women's Medical University; Department of Biochemistry and Molecular Biology, School of Medicine, Shinshu University;
| | | | - Atsuko Deguchi
- Department of Pharmacology, Tokyo Women's Medical University
| | | | | | - Sachie Hiratsuka
- Department of Pharmacology, Tokyo Women's Medical University; Department of Biochemistry and Molecular Biology, School of Medicine, Shinshu University
| | - Yoshiro Maru
- Department of Pharmacology, Tokyo Women's Medical University;
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Tomita T, Ieguchi K, Takita M, Tsukahara F, Yamada M, Egly JM, Maru Y. C1D is not directly involved in the repair of UV-damaged DNA but protects cells from oxidative stress by regulating gene expressions in human cell lines. J Biochem 2019; 164:415-426. [PMID: 30165670 DOI: 10.1093/jb/mvy069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 08/24/2018] [Indexed: 11/14/2022] Open
Abstract
A small nuclear protein, C1D, has roles in various cellular processes, transcription regulation, genome stability surveillance, DNA repair and RNA processing, all of which are required to maintain the host life cycles. In the previous report, C1D directly interacts with XPB, a component of the nucleotide excision repair complex, and C1D knockdown reduced cell survival of 27-1 cells, CHO derivative cells, after UV irradiation. To find out the role of C1D in UV-damaged cells, we used human cell lines with siRNA or shRNA to knockdown C1D. C1D knockdown reduced cell survival rates of LU99 and 786-O after UV irradiation, although C1D knockdown did not affect the efficiency of the nucleotide excision repair. Immunostaining data support that C1D is not directly involved in the DNA repair process in UV-damaged cells. However, H2O2 treatment reduced cell viability in LU99 and 786-O cells. We also found that C1D knockdown upregulated DDIT3 expression in LU99 cells and downregulated APEX1 in 786-O cells, suggesting that C1D functions as a co-repressor/activator. The data accounts for the reduction of cell survival rates upon UV irradiation.
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Affiliation(s)
- Takeshi Tomita
- Department of Pharmacology, Tokyo Women's Medical University, 8-1 Kawada, Shinjuku, Tokyo, Japan
| | - Katsuaki Ieguchi
- Department of Pharmacology, Tokyo Women's Medical University, 8-1 Kawada, Shinjuku, Tokyo, Japan
| | - Morichika Takita
- Department of Pharmacology, Tokyo Women's Medical University, 8-1 Kawada, Shinjuku, Tokyo, Japan
| | - Fujiko Tsukahara
- Department of Pharmacology, Tokyo Women's Medical University, 8-1 Kawada, Shinjuku, Tokyo, Japan
| | - Masayuki Yamada
- Center for Medical Education, Graduate School of Medicine, Kyoto University, Yoshida-Konoe-cho, Sakyo-ku, Kyoto, Japan
| | - Jean-Marc Egly
- Institut de Génétique et de Biologie Moléculaire et Cellulaire CNRS/INSERM/UdS 1, rue Laurent Fries, BP163 F-67404 Illkirch Cedex, France
| | - Yoshiro Maru
- Department of Pharmacology, Tokyo Women's Medical University, 8-1 Kawada, Shinjuku, Tokyo, Japan
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Yokoyama S, Cai Y, Murata M, Tomita T, Yoneda M, Xu L, Pilon AL, Cachau RE, Kimura S. A novel pathway of LPS uptake through syndecan-1 leading to pyroptotic cell death. eLife 2018; 7:e37854. [PMID: 30526845 PMCID: PMC6286126 DOI: 10.7554/elife.37854] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 11/08/2018] [Indexed: 01/15/2023] Open
Abstract
Intracellular lipopolysaccharide (LPS) triggers the non-canonical inflammasome pathway, resulting in pyroptosis of innate immune cells. In addition to its well-known proinflammatory role, LPS can directly cause regression of some tumors, although the underlying mechanism has remained unknown. Here we show that secretoglobin(SCGB)3A2, a small protein predominantly secreted in airways, chaperones LPS to the cytosol through the cell surface receptor syndecan-1; this leads to pyroptotic cell death driven by caspase-11. SCGB3A2 and LPS co-treatment significantly induced pyroptosis of macrophage RAW264.7 cells and decreased cancer cell proliferation in vitro, while SCGB3A2 treatment resulted in reduced progression of xenograft tumors in mice. These data suggest a conserved function for SCGB3A2 in the innate immune system and cancer cells. These findings demonstrate a critical role for SCGB3A2 as an LPS delivery vehicle; they reveal one mechanism whereby LPS enters innate immune cells leading to pyroptosis, and they clarify the direct effect of LPS on cancer cells.
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MESH Headings
- Animals
- Biological Transport
- Carcinoma, Lewis Lung/drug therapy
- Carcinoma, Lewis Lung/genetics
- Carcinoma, Lewis Lung/immunology
- Carcinoma, Lewis Lung/mortality
- Caspases/genetics
- Caspases/immunology
- Caspases, Initiator
- Cell Line, Tumor
- Gene Expression Regulation, Neoplastic
- Humans
- Immunity, Innate
- Lipopolysaccharides/pharmacology
- Lymphatic Metastasis
- Male
- Melanoma, Experimental/drug therapy
- Melanoma, Experimental/genetics
- Melanoma, Experimental/immunology
- Melanoma, Experimental/mortality
- Mice
- Mice, Transgenic
- Protein Array Analysis
- Pyroptosis/drug effects
- Pyroptosis/genetics
- Pyroptosis/immunology
- RAW 264.7 Cells
- RNA, Small Interfering/genetics
- RNA, Small Interfering/immunology
- Secretoglobins/antagonists & inhibitors
- Secretoglobins/genetics
- Secretoglobins/immunology
- Signal Transduction
- Survival Analysis
- Syndecan-1/antagonists & inhibitors
- Syndecan-1/genetics
- Syndecan-1/immunology
- Toll-Like Receptor 4/antagonists & inhibitors
- Toll-Like Receptor 4/genetics
- Toll-Like Receptor 4/immunology
- Xenograft Model Antitumor Assays
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Affiliation(s)
- Shigetoshi Yokoyama
- Laboratory of MetabolismNational Cancer Institute, National Institutes of HealthBethesdaUnited States
| | - Yan Cai
- Laboratory of MetabolismNational Cancer Institute, National Institutes of HealthBethesdaUnited States
| | - Miyuki Murata
- Laboratory of MetabolismNational Cancer Institute, National Institutes of HealthBethesdaUnited States
| | - Takeshi Tomita
- Laboratory of MetabolismNational Cancer Institute, National Institutes of HealthBethesdaUnited States
| | - Mitsuhiro Yoneda
- Laboratory of MetabolismNational Cancer Institute, National Institutes of HealthBethesdaUnited States
| | - Lei Xu
- Laboratory of MetabolismNational Cancer Institute, National Institutes of HealthBethesdaUnited States
| | | | - Raul E Cachau
- Advanced Biomedical Computing CenterFrederick National Laboratory for Cancer Research, Leidos Biomedical Inc.FrederickUnited States
| | - Shioko Kimura
- Laboratory of MetabolismNational Cancer Institute, National Institutes of HealthBethesdaUnited States
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Kadowaki S, Ishigami H, Muro K, Yoshida S, Hirono Y, Tomita T, Yabusaki H, Kusumoto T, Ota M, Kodera Y, Tsuji Y, Hidemura A, Hachiya O, Oba K, Kitayama J. An exploratory study of intraperitoneal paclitaxel combined with mFOLFOX6 for peritoneal disseminated gastric cancer patients with inadequate oral intake. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy282.068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Magara H, Tomita T, Kondo Y, Sato T, Akase Z, Shindo D. Development of a secondary electron energy analyzer for a transmission electron microscope. Microscopy (Oxf) 2018; 67:121-124. [PMID: 29370376 DOI: 10.1093/jmicro/dfx126] [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] [Received: 08/06/2017] [Accepted: 12/12/2017] [Indexed: 11/12/2022] Open
Abstract
A secondary electron (SE) energy analyzer was developed for a transmission electron microscope. The analyzer comprises a microchannel plate (MCP) for detecting electrons, a coil for collecting SEs emitted from the specimen, a tube for reducing the number of backscattered electrons incident on the MCP, and a retarding mesh for selecting the energy of SEs incident on the MCP. The detection of the SEs associated with charging phenomena around a charged specimen was attempted by performing electron holography and SE spectroscopy using the energy analyzer. The results suggest that it is possible to obtain the energy spectra of SEs using the analyzer and the charging states of a specimen by electron holography simultaneously.
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Affiliation(s)
- Hideyuki Magara
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan
| | - Takeshi Tomita
- Electron Optics Division, JEOL Ltd., Akishima 196-8558, Japan
| | - Yukihito Kondo
- Electron Optics Division, JEOL Ltd., Akishima 196-8558, Japan
| | - Takafumi Sato
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan
| | - Zentaro Akase
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan.,Center for Emergent Matter Science (CEMS), RIKEN, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
| | - Daisuke Shindo
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan.,Center for Emergent Matter Science (CEMS), RIKEN, Hirosawa 2-1, Wako, Saitama 351-0198, Japan
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Abstract
Aims In Asia and the Middle-East, people often flex their knees deeply
in order to perform activities of daily living. The purpose of this
study was to investigate the 3D kinematics of normal knees during
high-flexion activities. Our hypothesis was that the femorotibial
rotation, varus-valgus angle, translations, and kinematic pathway
of normal knees during high-flexion activities, varied according
to activity. Materials and Methods We investigated the in vivo kinematics of eight
normal knees in four male volunteers (mean age 41.8 years; 37 to
53) using 2D and 3D registration technique, and modelled the knees
with a computer aided design program. Each subject squatted, kneeled,
and sat cross-legged. We evaluated the femoral rotation and varus-valgus
angle relative to the tibia and anteroposterior translation of the
medial and lateral side, using the transepicodylar axis as our femoral
reference relative to the perpendicular projection on to the tibial
plateau. This method evaluates the femur medially from what has
elsewhere been described as the extension facet centre, and differs
from the method classically applied. Results During squatting and kneeling, the knees displayed femoral external
rotation. When sitting cross-legged, femurs displayed internal rotation
from 10° to 100°. From 100°, femoral external rotation was observed.
No significant difference in varus-valgus angle was seen between
squatting and kneeling, whereas a varus position was observed from
140° when sitting cross-legged. The measure kinematic pathway using
our methodology found during squatting a medial pivoting pattern
from 0° to 40° and bicondylar rollback from 40° to 150°. During
kneeling, a medial pivot pattern was evident. When sitting cross-legged,
a lateral pivot pattern was seen from 0° to 100°, and a medial pivot
pattern beyond 100°. Conclusion The kinematics of normal knees during high flexion are variable
according to activity. Nevertheless, our study was limited to a
small number of male patients using a different technique to report
the kinematics than previous publications. Accordingly, caution
should be observed in generalizing our findings. Cite this article: Bone Joint J 2018;100-B:50–5.
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Affiliation(s)
- K Kono
- Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan and Department of Orthopaedic Biomaterial Science, Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - T Tomita
- Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - K Futai
- Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - T Yamazaki
- Saitama Institute of Technology, 1690 Fusaiji, Fukaya, Saitama 369-0293, Japan
| | - S Tanaka
- Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - H Yoshikawa
- Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan
| | - K Sugamoto
- Osaka University Graduate School of Medicine, 2-2 Yamada-oka, Suita, Osaka 565-0871, Japan
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Kuroda K, Tomita T, Suzuki MT, Bareille C, Nugroho AA, Goswami P, Ochi M, Ikhlas M, Nakayama M, Akebi S, Noguchi R, Ishii R, Inami N, Ono K, Kumigashira H, Varykhalov A, Muro T, Koretsune T, Arita R, Shin S, Kondo T, Nakatsuji S. Evidence for magnetic Weyl fermions in a correlated metal. Nat Mater 2017; 16:1090-1095. [PMID: 28967918 DOI: 10.1038/nmat4987] [Citation(s) in RCA: 115] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Accepted: 08/21/2017] [Indexed: 06/07/2023]
Abstract
Weyl fermions have been observed as three-dimensional, gapless topological excitations in weakly correlated, inversion-symmetry-breaking semimetals. However, their realization in spontaneously time-reversal-symmetry-breaking phases of strongly correlated materials has so far remained hypothetical. Here, we report experimental evidence for magnetic Weyl fermions in Mn3Sn, a non-collinear antiferromagnet that exhibits a large anomalous Hall effect, even at room temperature. Detailed comparison between angle-resolved photoemission spectroscopy (ARPES) measurements and density functional theory (DFT) calculations reveals significant bandwidth renormalization and damping effects due to the strong correlation among Mn 3d electrons. Magnetotransport measurements provide strong evidence for the chiral anomaly of Weyl fermions-namely, the emergence of positive magnetoconductance only in the presence of parallel electric and magnetic fields. Since weak magnetic fields (approximately 10 mT) are adequate to control the distribution of Weyl points and the large fictitious fields (equivalent to approximately a few hundred T) produced by them in momentum space, our discovery lays the foundation for a new field of science and technology involving the magnetic Weyl excitations of strongly correlated electron systems such as Mn3Sn.
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Affiliation(s)
- K Kuroda
- Institute for Solid State Physics, University of Tokyo, Kashiwa 277-8581, Japan
| | - T Tomita
- Institute for Solid State Physics, University of Tokyo, Kashiwa 277-8581, Japan
- CREST, Japan Science and Technology Agency (JST), 4-1-8 Honcho Kawaguchi, Saitama 332-0012, Japan
| | - M-T Suzuki
- CREST, Japan Science and Technology Agency (JST), 4-1-8 Honcho Kawaguchi, Saitama 332-0012, Japan
- RIKEN Center for Emergent Matter Science (CEMS), 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - C Bareille
- Institute for Solid State Physics, University of Tokyo, Kashiwa 277-8581, Japan
| | - A A Nugroho
- Institute for Solid State Physics, University of Tokyo, Kashiwa 277-8581, Japan
- Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jl. Ganesha 10, 40132 Bandung, Indonesia
| | - P Goswami
- Condensed Matter Theory Center and Joint Quantum Institute, Department of Physics, University of Maryland, College Park, Maryland 20742- 4111, USA
- Department of Physics and Astronomy, 2145 Sheridan Road, Evanston, Illinois 60208, USA
| | - M Ochi
- Department of Physics, Osaka University, Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan
| | - M Ikhlas
- Institute for Solid State Physics, University of Tokyo, Kashiwa 277-8581, Japan
- CREST, Japan Science and Technology Agency (JST), 4-1-8 Honcho Kawaguchi, Saitama 332-0012, Japan
| | - M Nakayama
- Institute for Solid State Physics, University of Tokyo, Kashiwa 277-8581, Japan
| | - S Akebi
- Institute for Solid State Physics, University of Tokyo, Kashiwa 277-8581, Japan
| | - R Noguchi
- Institute for Solid State Physics, University of Tokyo, Kashiwa 277-8581, Japan
| | - R Ishii
- Institute for Solid State Physics, University of Tokyo, Kashiwa 277-8581, Japan
| | - N Inami
- Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - K Ono
- Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - H Kumigashira
- Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - A Varykhalov
- Helmholtz-Zentrum Berlin für Materialien und Energie, Elektronenspeicherring BESSY II, Albert-Einstein-Strasse 15, 12489 Berlin, Germany
| | - T Muro
- Japan Synchrotron Radiation Research Institute (JASRI), 1-1-1 Kouto, Sayo, Hyogo 679-5198, Japan
| | - T Koretsune
- CREST, Japan Science and Technology Agency (JST), 4-1-8 Honcho Kawaguchi, Saitama 332-0012, Japan
- RIKEN Center for Emergent Matter Science (CEMS), 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - R Arita
- CREST, Japan Science and Technology Agency (JST), 4-1-8 Honcho Kawaguchi, Saitama 332-0012, Japan
- RIKEN Center for Emergent Matter Science (CEMS), 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - S Shin
- Institute for Solid State Physics, University of Tokyo, Kashiwa 277-8581, Japan
| | - Takeshi Kondo
- Institute for Solid State Physics, University of Tokyo, Kashiwa 277-8581, Japan
| | - S Nakatsuji
- Institute for Solid State Physics, University of Tokyo, Kashiwa 277-8581, Japan
- CREST, Japan Science and Technology Agency (JST), 4-1-8 Honcho Kawaguchi, Saitama 332-0012, Japan
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Tomita T, Masuda T, Mawatari E, Higashikata T, Kuwahara K. Reduction of Creatinine Clearance Is Associated With Frailty—Evaluation of the Exercise Capacity Using Cardiopulmonary Exercise Examination. J Card Fail 2017. [DOI: 10.1016/j.cardfail.2017.08.387] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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27
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Minato K, Sawa K, Koya T, Tomita T, Ishikawa A, Baldwin CA, Gabbard WA, Malone CM. Fission Product Release Behavior of Individual Coated Fuel Particles for High-Temperature Gas-Cooled Reactors. NUCL TECHNOL 2017. [DOI: 10.13182/nt00-a3103] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [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)
- Kazuo Minato
- Japan Atomic Energy Research Institute, Tokai-mura, Ibaraki-ken, 319-1195 Japan
| | - Kazuhiro Sawa
- Japan Atomic Energy Research Institute, Tokai-mura, Ibaraki-ken, 319-1195 Japan
| | - Toshio Koya
- Japan Atomic Energy Research Institute, Tokai-mura, Ibaraki-ken, 319-1195 Japan
| | - Takeshi Tomita
- Japan Atomic Energy Research Institute, Tokai-mura, Ibaraki-ken, 319-1195 Japan
| | - Akiyoshi Ishikawa
- Japan Atomic Energy Research Institute, Tokai-mura, Ibaraki-ken, 319-1195 Japan
| | | | | | - Charlie M. Malone
- Oak Ridge National Laboratory P.O. Box 2008, Oak Ridge, Tennessee 37831
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28
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Minato K, Ogawa T, Sawa K, Ishikawa A, Tomita T, Iida S, Sekino H. Irradiation Experiment on ZrC-Coated Fuel Particles for High-Temperature Gas-Cooled Reactors. NUCL TECHNOL 2017. [DOI: 10.13182/nt00-a3093] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [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)
- Kazuo Minato
- Japan Atomic Energy Research Institute, Department of Materials Science Tokai-mura, Ibaraki-ken 319-1195, Japan
| | - Toru Ogawa
- Japan Atomic Energy Research Institute, Department of Materials Science Tokai-mura, Ibaraki-ken 319-1195, Japan
| | - Kazuhiro Sawa
- Japan Atomic Energy Research Institute, Department of Materials Science Tokai-mura, Ibaraki-ken 319-1195, Japan
| | - Akiyoshi Ishikawa
- Japan Atomic Energy Research Institute Department of Hot Laboratories, Tokai-mura, Ibaraki-ken 319-1195, Japan
| | - Takeshi Tomita
- Japan Atomic Energy Research Institute Department of Hot Laboratories, Tokai-mura, Ibaraki-ken 319-1195, Japan
| | - Shozo Iida
- Japan Atomic Energy Research Institute Department of Hot Laboratories, Tokai-mura, Ibaraki-ken 319-1195, Japan
| | - Hajime Sekino
- Japan Atomic Energy Research Institute Department of Hot Laboratories, Tokai-mura, Ibaraki-ken 319-1195, Japan
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29
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Okada A, Kashima Y, Tomita T, Takeuchi T, Oguchi Y, Yoshie K, Shoin W, Shoda M, Nitta K, Kuwahara K, Imamura H. Cardiac hyaluronan may be associated with the persistence of atrial fibrillation. Heart Vessels 2017; 32:1144-1150. [PMID: 28378212 DOI: 10.1007/s00380-017-0972-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2016] [Accepted: 03/24/2017] [Indexed: 11/26/2022]
Abstract
Hyaluronan (HA), a primary component of the extracellular matrix, is associated with several cardiovascular diseases. However, its precise cardiac origin and role in atrial fibrillation (AF) remain unclear. We investigated chamber-specific HA levels in patients with paroxysmal AF (PAF) or persistent AF (PSAF). The levels of HA, a diacron-reactive oxygen metabolite (dROM) as a marker for oxidative stress, at different cardiac sites, and peripheral brain natriuretic peptide (BNP) levels were measured in patients with PAF (n = 50) or PSAF (n = 35). HA levels in the coronary sinus (CS-HA) were significantly higher than those other sites, in both PAF and PSAF patients, and CS-HA levels were significantly higher in PSAF patients than in PAF patients [37.1 (interquartile range, 31.2-48.3) vs. 30.6 (23.7-40.2) pg/mL, P < 0.01]. CS-HA levels were correlated with CS-dROM levels and peripheral BNP levels in PSAF patients (r = 0.417, P = 0.03 and r = 0.579, P < 0.001, respectively), but not in PAF patients (r = -0.115, P = 0.421 and r = 0.048, P = 0.740, respectively). CS-HA levels were elevated in both PAF and PSAF patients and were correlated with cardiac oxidative stress and BNP levels in PSAF patients. Cardiac HA may be associated with the persistence of AF.
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Affiliation(s)
- Ayako Okada
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Yuichiro Kashima
- Department of Emergency and Critical Care Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan.
| | - Takeshi Tomita
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Takahiro Takeuchi
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Yasutaka Oguchi
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Koji Yoshie
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Wataru Shoin
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Morio Shoda
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Kenichi Nitta
- Department of Emergency and Critical Care Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan
| | - Koichiro Kuwahara
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Hiroshi Imamura
- Department of Emergency and Critical Care Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan
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30
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Sakai N, Nakatsuka M, Tomita T. Patient-controlled bolus femoral nerve block after knee arthroplasty: quadriceps recovery, analgesia, local anesthetic consumption. Acta Anaesthesiol Scand 2016; 60:1461-1469. [PMID: 27553442 DOI: 10.1111/aas.12778] [Citation(s) in RCA: 4] [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: 03/14/2016] [Revised: 07/07/2016] [Accepted: 08/01/2016] [Indexed: 01/22/2023]
Abstract
BACKGROUND Continuous femoral nerve block (cFNB) induces quadriceps muscle weakness, but patient-controlled femoral nerve block (PCFNB) can provide analgesia with lower consumption of local anesthetics compared to cFNB. We hypothesized that cFNB followed by PCFNB leads to accelerated recovery of quadriceps weakness after total knee arthroplasty compared to cFNB alone. Secondary outcomes were local anesthetic consumption, pain, and mobilization. METHODS Fifty-six subjects received post-operative cFNB for 24 h and then randomized to receive either cFNB (basal infusion of 6 ml/h using a dummy bolus button; n = 27) or PCFNB (bolus infusion of 3 ml with a lockout time of 30 min and no basal infusion; n = 29) using 0.08% levobupivacaine for the subsequent 24 h in a double-blind manner (registration: UMIN000010105). Quadriceps strength was assessed using a hand-held dynamometer. The percentage change from baseline was compared between groups. RESULTS Quadriceps strength at 48 h was 47.3 ± 18.3% in the cFNB group and 49.7 ± 15.7% in the PCFNB group (95% confidence interval -7.0-11.9%, P = 0.61). Local anesthetic consumption during the post-operative period was significantly lower in the PCFNB group compared to the cFNB group (102 ± 10.8 ml vs.146 ± 4.6 ml; P < 0.001). No significant differences were found in any of the other outcomes, including pain scores at rest and during knee rehabilitation. CONCLUSION Continuous femoral nerve block followed by PCFNB does not improve quadriceps strength recovery time compared to cFNB alone after total knee arthroplasty, but similar analgesic effects were demonstrated with reduced levobupivacaine consumption.
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Affiliation(s)
- N. Sakai
- Department of Anesthesiology and Intensive Care Medicine; Osaka University Graduate School of Medicine; Suita Japan
| | - M. Nakatsuka
- Department of Pharmacy; Osaka University Medical Hospital; Suita Japan
| | - T. Tomita
- Department of Orthopedic Surgery; Osaka University Graduate School of Medicine; Suita Japan
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31
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Xi G, Hayes E, Lewis R, Ichi S, Mania-Farnell B, Shim K, Takao T, Allender E, Mayanil CS, Tomita T. Retraction Note: CD133 and DNA-PK regulate MDR1 via the PI3K- or Akt-NF-κB pathway in multidrug-resistant glioblastoma cells in vitro. Oncogene 2016; 35:5576. [DOI: 10.1038/onc.2016.64] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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32
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Tomita T. Commentary: Clinical benefits of patientmatched instrumentation for total knee arthroplasty. J Orthop Surg (Hong Kong) 2016; 24:145. [PMID: 27574250 DOI: 10.1177/1602400203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Affiliation(s)
- T Tomita
- Department of Orthopaedic Biomaterial Science, Osaka University Graduate School of Medicine, Osaka, Japan
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33
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Nakayama M, Kondo T, Tian Z, Ishikawa JJ, Halim M, Bareille C, Malaeb W, Kuroda K, Tomita T, Ideta S, Tanaka K, Matsunami M, Kimura S, Inami N, Ono K, Kumigashira H, Balents L, Nakatsuji S, Shin S. Slater to Mott Crossover in the Metal to Insulator Transition of Nd_{2}Ir_{2}O_{7}. Phys Rev Lett 2016; 117:056403. [PMID: 27517783 DOI: 10.1103/physrevlett.117.056403] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Indexed: 06/06/2023]
Abstract
We present an angle-resolved photoemission study of the electronic structure of the three-dimensional pyrochlore iridate Nd_{2}Ir_{2}O_{7} through its magnetic metal-insulator transition. Our data reveal that metallic Nd_{2}Ir_{2}O_{7} has a quadratic band, touching the Fermi level at the Γ point, similar to that of Pr_{2}Ir_{2}O_{7}. The Fermi node state is, therefore, a common feature of the metallic phase of the pyrochlore iridates. Upon cooling below the transition temperature, this compound exhibits a gap opening with an energy shift of quasiparticle peaks like a band gap insulator. The quasiparticle peaks are strongly suppressed, however, with further decrease of temperature, and eventually vanish at the lowest temperature, leaving a nondispersive flat band lacking long-lived electrons. We thereby identify a remarkable crossover from Slater to Mott insulators with decreasing temperature. These observations explain the puzzling absence of Weyl points in this material, despite its proximity to the zero temperature metal-insulator transition.
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Affiliation(s)
- M Nakayama
- ISSP, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
| | - Takeshi Kondo
- ISSP, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
| | - Z Tian
- ISSP, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
| | - J J Ishikawa
- ISSP, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
| | - M Halim
- ISSP, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
| | - C Bareille
- ISSP, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
| | - W Malaeb
- ISSP, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
- Physics Department, Faculty of Science, Beirut Arab University, Beirut 11-5020, Lebanon
| | - K Kuroda
- ISSP, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
| | - T Tomita
- ISSP, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
| | - S Ideta
- UVSOR Facility, Institute for Molecular Science, Okazaki 444-8585, Japan
| | - K Tanaka
- UVSOR Facility, Institute for Molecular Science, Okazaki 444-8585, Japan
| | - M Matsunami
- Toyota Technological Institute, Nagoya 468-8511, Japan
| | - S Kimura
- Graduate School of Frontier Biosciences, Osaka University, Suita, Osaka 565-0871, Japan
| | - N Inami
- Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - K Ono
- Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - H Kumigashira
- Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan
| | - L Balents
- Kavli Institute for Theoretical Physics, Santa Barbara, California 93106, USA
| | - S Nakatsuji
- ISSP, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
- CREST, Japan Science and Technology Agency (JST), 4-1-8 Honcho Kawaguchi, Saitama 332-0012, Japan
| | - S Shin
- ISSP, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
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34
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Min C, Yoshida K, Haji Y, Inoue H, Kaneko Y, Kawasaki T, Matsui K, Morita M, Tada K, Takizawa N, Tamura N, Ichikawa N, Taniguchi Y, Tsuji S, Okada M, Kobayashi S, Tomita T, Kishimoto M. THU0390 Clinical Characteristics of Spondyloarthritis in Japanese Patients. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.1906] [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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35
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Miwa H, Koseki J, Oshima T, Hattori T, Kase Y, Kondo T, Fukui H, Tomita T, Ohda Y, Watari J. Impairment of gastric accommodation induced by water-avoidance stress is mediated by 5-HT2B receptors. Neurogastroenterol Motil 2016; 28:765-78. [PMID: 26833428 DOI: 10.1111/nmo.12775] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Accepted: 12/21/2015] [Indexed: 02/08/2023]
Abstract
BACKGROUND Psychological stress has been shown to impair gastric accommodation (GA), but its mechanism has not been elucidated. This study was conducted to clarify the role of 5-HT2B receptors in a guinea pig model of stress-induced impairment of GA. METHODS Gastric accommodation was evaluated by measuring the intrabag pressure in the proximal stomach after administration of a liquid meal. The guinea pigs were subjected to water-avoidance stress. The role of 5-HT2B receptors in impairment of GA was investigated by administering a 5-HT2B receptor agonist (BW723C86) or antagonist (SB215505), the traditional Japanese medicine rikkunshito (RKT), a muscarinic M3 receptor antagonist (1,1-dimethyl-4-diphenylacetoxypiperidium iodide [4-DAMP]), or a nitric oxide synthase inhibitor (Nω -nitro-L-arginine [L-NNA]). KEY RESULTS In normal animals, liquid meal-induced GA was inhibited by BW723C86, but was not affected by SB215505. The inhibition of GA by BW723C86 was reversed by co-administration of 4-DAMP. Compared to normal animals, GA in stressed animals was significantly inhibited. SB215505 and RKT significantly suppressed stress-induced impairment of GA. After meal administration, the level of cyclic guanosine monophosphate in gastric fundus tissue increased by approximately twofold in normal animals, but did not change in stressed animals. The inhibition of GA by L-NNA was suppressed by SB215505 or RKT. At a dose that did not affect GA in normal animals, BW723C86 exacerbated the impairment of GA in stressed animals. CONCLUSIONS AND INFERENCES Stress-induced impairment of GA may be mediated by an increased responsiveness of 5-HT2B receptors, and activation of the 5-HT2B receptor signaling pathway may have an inhibitory effect on nitric oxide function.
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Affiliation(s)
- H Miwa
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Hyogo, Japan
| | - J Koseki
- Tsumura Research Laboratories, Tsumura & Co., Ibaraki, Japan
| | - T Oshima
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Hyogo, Japan
| | - T Hattori
- Tsumura Research Laboratories, Tsumura & Co., Ibaraki, Japan
| | - Y Kase
- Tsumura Research Laboratories, Tsumura & Co., Ibaraki, Japan
| | - T Kondo
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Hyogo, Japan
| | - H Fukui
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Hyogo, Japan
| | - T Tomita
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Hyogo, Japan
| | - Y Ohda
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Hyogo, Japan
| | - J Watari
- Division of Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Hyogo, Japan
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36
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Tian ZM, Kohama Y, Tomita T, Ishikawa J, Mairo H, Kindo K, Nakatsuji S. Experimental exploration of novel semimetal state in strong anisotropic Pyrochlore iridate Nd2lr2O7under high magnetic field. ACTA ACUST UNITED AC 2016. [DOI: 10.1088/1742-6596/683/1/012024] [Citation(s) in RCA: 3] [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: 11/12/2022]
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37
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Tomita T, Higashikata T, Mawatari EI, Koji T, Sasaki H, KojiYoshie, Oguchi Y, Takeuchi T, Uichi Ikeda AO. Impact of nocturnal oxygen therapy for central sleep apnea syndrome on nocturnal premature ventricular contractions. Interv Cardiol 2016. [DOI: 10.4172/interventional-cardiology.1000517] [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: 11/09/2022] Open
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38
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Paredes-Santos TC, Tomita T, Yan Fen M, de Souza W, Attias M, Vommaro RC, Weiss LM. Development of dual fluorescent stage specific reporter strain of Toxoplasma gondii to follow tachyzoite and bradyzoite development in vitro and in vivo. Microbes Infect 2016; 18:39-47. [PMID: 26432517 PMCID: PMC4715970 DOI: 10.1016/j.micinf.2015.09.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Revised: 09/11/2015] [Accepted: 09/14/2015] [Indexed: 11/23/2022]
Abstract
Toxoplasma gondii is a protozoan that infects 30% of humans as intermediate hosts. T Sexual reproduction can occur only within the intestinal tract of felines, however, infection in other mammals and birds is associated with asexual replication and interconversion between the tachyzoite and bradyzoite stages. Bradyzoites are slow growing forms found in tissue cysts in latent infection. Recently, our group described the biological behavior of the EGS strain that forms thick walled cysts spontaneously in tissue culture, constituting a useful tool for examining the developmental biology of T. gondii. To further improve the usefulness of this model, we constructed genetically modified EGS parasites that express fluorescent tags under the control of stage specific promoters. The promoter regions for SAG-1 (tachyzoite specific), BAG-1 and LDH-2 (bradyzoite specific) were amplified by PCR and plasmids were constructed with mCherry (redT) and sfGFP (greenB) sequences, respectively. Strains of parasites were selected using FACS to arrive at single fluorescent and dual fluorescent strains of EGS expressing tags in a stage specific manner. In cell cultures, vacuoles labeled by immunofluorescence assay using anti-CST-1 a marker for T. gondii cyst wall contained parasites that were positive for BAG1-GFP and negative for SAG1-mCherry. Tachyzoites and bradyzoites harvested from the mice expressed stage specific mCherry and GFP proteins, respectively. These new dual fluorescent transgenic EGS strains are a promising tool to elucidate the mechanisms of T. gondii differentiation both in vitro and in vivo.
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Affiliation(s)
- T C Paredes-Santos
- Universidade Federal do Rio de Janeiro, Instituto de Biofísica Carlos Chagas Filho, Rio de Janeiro, Brazil; Instituto Nacional de Ciência e Tecnologia em Biologia Estrutural e Bioimagens, Rio de Janeiro, Brazil
| | - T Tomita
- Departments of Pathology and Medicine, Albert Einstein College of Medicine - AECOM, USA
| | - M Yan Fen
- Departments of Pathology and Medicine, Albert Einstein College of Medicine - AECOM, USA
| | - W de Souza
- Universidade Federal do Rio de Janeiro, Instituto de Biofísica Carlos Chagas Filho, Rio de Janeiro, Brazil; Instituto Nacional de Ciência e Tecnologia em Biologia Estrutural e Bioimagens, Rio de Janeiro, Brazil
| | - M Attias
- Universidade Federal do Rio de Janeiro, Instituto de Biofísica Carlos Chagas Filho, Rio de Janeiro, Brazil; Instituto Nacional de Ciência e Tecnologia em Biologia Estrutural e Bioimagens, Rio de Janeiro, Brazil
| | - R C Vommaro
- Universidade Federal do Rio de Janeiro, Instituto de Biofísica Carlos Chagas Filho, Rio de Janeiro, Brazil; Instituto Nacional de Ciência e Tecnologia em Biologia Estrutural e Bioimagens, Rio de Janeiro, Brazil.
| | - L M Weiss
- Departments of Pathology and Medicine, Albert Einstein College of Medicine - AECOM, USA.
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Yamasaki S, Izawa A, Koshikawa M, Saigusa T, Ebisawa S, Miura T, Shiba Y, Tomita T, Miyashita Y, Koyama J, Ikeda U. Association between estimated glomerular filtration rate and peripheral arterial disease. J Cardiol 2015; 66:430-4. [DOI: 10.1016/j.jjcc.2015.01.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Revised: 12/28/2014] [Accepted: 01/29/2015] [Indexed: 12/25/2022]
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Tomita T, Ieguchi K, Coin F, Kato Y, Kikuchi H, Oshima Y, Kurata S, Maru Y. Correction: ZFC3H1, a Zinc Finger Protein, Modulates IL-8 Transcription by Binding with Celastramycin A, a Potential Immune Suppressor. PLoS One 2015; 10:e0138262. [PMID: 26360022 PMCID: PMC4567294 DOI: 10.1371/journal.pone.0138262] [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: 11/18/2022] Open
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Okada A, Aizawa K, Tomita T, Yoshie K, Takeuchi T, Shoda M, Ikeda U. Successful transjugular extraction of a lead in front of the anterior scalene muscle by using snare technique. J Arrhythm 2015; 31:249-51. [PMID: 26336570 DOI: 10.1016/j.joa.2014.12.002] [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] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2014] [Revised: 11/26/2014] [Accepted: 12/10/2014] [Indexed: 10/24/2022] Open
Abstract
The incidence of cardiovascular implantable electronic device infection is increasing. We report a case of and successful device removal in a 79-year-old man with implantable cardioverter-defibrillator infection. Right phrenic nerve paralysis was evident on chest radiography. The lead was in front of the anterior scalene muscle, close to the left phrenic nerve. Therefore, extraction carried a risk of bilateral phrenic nerve paralysis. The lead was successfully extracted from the right internal jugular vein by using the snare technique. No complications occurred, and the extraction was successful.
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Affiliation(s)
- Ayako Okada
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan
| | - Kazunori Aizawa
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan
| | - Takeshi Tomita
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan
| | - Kouji Yoshie
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan
| | - Takahiro Takeuchi
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan
| | - Morio Shoda
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan
| | - Uichi Ikeda
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano 390-8621, Japan
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Takeuchi T, Tomita T, Kasai H, Kashiwagi D, Yoshie K, Yaguchi T, Oguchi Y, Kozuka A, Gautam M, Motoki H, Okada A, Shiba Y, Aizawa K, Izawa A, Miyashita Y, Koyama J, Hongo M, Ikeda U. A young patient with atypical type-B Wolff-Parkinson-White syndrome accompanied by left ventricular dysfunction. J Arrhythm 2015; 31:50-4. [PMID: 26336525 DOI: 10.1016/j.joa.2014.03.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Revised: 03/19/2014] [Accepted: 03/28/2014] [Indexed: 10/25/2022] Open
Abstract
A 15-year-old asymptomatic male patient presented with an electrocardiographic abnormality and left ventricular (LV) dysfunction (left ventricle ejection fraction of 40%) in a physical examination performed 2 years previously. LV dysfunction did not improve despite optimal medical therapy for dilated cardiomyopathy. Twelve-lead electrocardiography revealed a normal PR interval (138 ms) with a small delta-like wave in V2, but not a typical diagnostic wave that could be diagnosed as Wolff-Parkinson-White (WPW) syndrome by an electrocardiogram auto-analysis. Transthoracic echocardiography showed a remarkable asynchronous septal motion. An electrophysiological study was performed to exclude WPW syndrome. An accessory pathway (AP) was revealed on the lateral wall of the right ventricle, and radiofrequency catheter ablation was successfully performed to disconnect the AP. Thereafter, the dyssynchrony disappeared, and LV function improved. The intrinsic atrioventricular nodal conduction was very slow (A-H, 237 ms). The results of electrocardiogram auto-analysis could not be used to confirm the diagnosis of WPW syndrome because of the atypical delta wave. Conduction via the right lateral AP caused electrical dyssynchrony in the LV. This case suggests that atypical delta waves should be evaluated without depending on electrocardiographic auto-analyses in patients with LV dysfunction accompanied by dyssynchrony.
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Affiliation(s)
- Takahiro Takeuchi
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Takeshi Tomita
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Hiroki Kasai
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Daisuke Kashiwagi
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Koji Yoshie
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Tomonori Yaguchi
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Yasutaka Oguchi
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Ayako Kozuka
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Milan Gautam
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Hirohiko Motoki
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Ayako Okada
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Yuji Shiba
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Kazunori Aizawa
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Atsushi Izawa
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Yusuke Miyashita
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Jun Koyama
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
| | - Minoru Hongo
- Department of Cardiovascular Medicine, Shinshu University School of Health Science, Nagano, Japan
| | - Uichi Ikeda
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Nagano, Japan
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Cai Y, Yoneda M, Tomita T, Kurotani R, Okamoto M, Kido T, Abe H, Mitzner W, Guha A, Kimura S. Transgenically-expressed secretoglobin 3A2 accelerates resolution of bleomycin-induced pulmonary fibrosis in mice. BMC Pulm Med 2015; 15:72. [PMID: 26178733 PMCID: PMC4504078 DOI: 10.1186/s12890-015-0065-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2014] [Accepted: 06/28/2015] [Indexed: 02/02/2023] Open
Abstract
Background Secretoglobin (SCGB) 3A2, a cytokine-like secretory protein of small molecular weight, is predominantly expressed in airway epithelial cells. While SCGB3A2 is known to have anti-inflammatory, growth factor, and anti-fibrotic activities, whether SCGB3A2 has any other roles, particularly in lung homeostasis and disease has not been demonstrated in vivo. The aim of this study was to address these questions in mice. Methods A transgenic mouse line that expresses SCGB3A2 in the lung using the human surfactant protein-C promoter was established. Detailed histological, immunohistochemical, physiological, and molecular characterization of the Scgb3a2-transgenic mouse lungs were carried out. Scgb3a2-transgenic and wild-type mice were subjected to bleomycin-induced pulmonary fibrosis model, and their lungs and bronchoalveolar lavage fluids were collected at various time points during 9 weeks post-bleomycin treatment for further analysis. Results Adult Scgb3a2-transgenic mouse lungs expressed approximately five-fold higher levels of SCGB3A2 protein in comparison to wild-type mice as determined by western blotting of lung tissues. Immunohistochemistry showed that expression was localized to alveolar type II cells in addition to airway epithelial cells, thus accurately reflecting the site of surfactant protein-C expression. Scgb3a2-transgenic mice showed normal lung development and histology, and no overt gross phenotypes. However, when subjected to a bleomycin-induced pulmonary fibrosis model, they initially exhibited exacerbated fibrosis at 3 weeks post-bleomycin administration that was more rapidly resolved by 6 weeks as compared with wild-type mice, as determined by lung histology, Masson Trichrome staining and hydroxyproline content, inflammatory cell numbers, expression of collagen genes, and proinflammatory cytokine levels. The decrease of fibrosis coincided with the increased expression of SCGB3A2 in Scgb3a2-transgenic lungs. Conclusions These results demonstrate that SCGB3A2 is an anti-fibrotic agent, and suggest a possible therapeutic use of recombinant SCGB3A2 in the treatment of pulmonary fibrosis. Electronic supplementary material The online version of this article (doi:10.1186/s12890-015-0065-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yan Cai
- Laboratory of Metabolism, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA. .,Laboratory of Liver Diseases, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD, 20892, USA.
| | - Mitsuhiro Yoneda
- Laboratory of Metabolism, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA.
| | - Takeshi Tomita
- Laboratory of Metabolism, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA. .,Department of Pharmacology, Tokyo Women's Medical University, Tokyo, 162-8666, Japan.
| | - Reiko Kurotani
- Laboratory of Metabolism, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA. .,Biochemical Engineering, Graduate School of Science and Engineering, Yamagata University, Yonezawa, Yamagata, 992-8510, Japan.
| | - Minoru Okamoto
- Laboratory of Metabolism, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA. .,Department of Veterinary Immunopathology, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Hokkaido, 069-8501, Japan.
| | - Taketomo Kido
- Laboratory of Metabolism, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA. .,Laboratory of Cell Growth and Differentiation, Institute of Molecular and Cellular Biosciences, The University of Tokyo, Tokyo, 113-0032, Japan.
| | - Hiroyuki Abe
- Biochemical Engineering, Graduate School of Science and Engineering, Yamagata University, Yonezawa, Yamagata, 992-8510, Japan.
| | - Wayne Mitzner
- Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, 21205, USA.
| | - Arjun Guha
- Department of Medicine, Pulmonary Center, Boston University School of Medicine, Boston, MA, 02118, USA.
| | - Shioko Kimura
- Laboratory of Metabolism, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA.
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Deguchi A, Tomita T, Ohto U, Takemura K, Kitao A, Akashi-Takamura S, Miyake K, Maru Y. Eritoran inhibits S100A8-mediated TLR4/MD-2 activation and tumor growth by changing the immune microenvironment. Oncogene 2015; 35:1445-56. [DOI: 10.1038/onc.2015.211] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Revised: 04/30/2015] [Accepted: 05/04/2015] [Indexed: 01/08/2023]
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Miura T, Izawa A, Motoki H, Miyashita Y, Kashima Y, Ebisawa S, Tomita T, Koyama J, Ikeda U. Clinical Impact of Rapid Reduction of Low-Density Lipoprotein Cholesterol Level on Long-Term Outcome of Acute Myocardial Infarction in the Statin Era: Subanalysis of the ALPS-AMI Study. PLoS One 2015; 10:e0127835. [PMID: 26083546 PMCID: PMC4471188 DOI: 10.1371/journal.pone.0127835] [Citation(s) in RCA: 10] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Accepted: 04/20/2015] [Indexed: 12/17/2022] Open
Abstract
Background The optimal period to achieve target percent reduction of low-density lipoprotein cholesterol (LDL-C) level for secondary prevention of acute myocardial infarction (AMI) is not well established. Methods The Assessment of Lipophilic vs. Hydrophilic Statin Therapy in AMI (ALPS-AMI) study enrolled 508 patients (mean age, 66.0± 11.6 years; 80.6% male) who were hospitalized for AMI and underwent percutaneous coronary intervention (PCI). Of these patients, 81 were excluded because of the absence of LDL-C measurements at 4 weeks after randomization. In the remaining 427 patients, the target LDL-C level reduction of ≥30% was achieved and not reached within 4 weeks after randomization in 204 cases (early reduction group) and 223 cases (late reduction group). The groups were formed prospectively and analyzed with regard to the composite end point (major adverse cardiovascular event [MACE]: all-cause death, myocardial infarction, and stroke) and clinical outcomes. Results MACE were significantly more frequent in the late reduction group compared to the early reduction group (9.4% vs. 3.4%, P = 0.013). The incidence of cardiac deaths was also significantly higher in the late reduction group (3.1% vs. 0.5%, P = 0.044). On age-adjusted Cox proportional hazards analysis in statin-naïve patients, percent reduction of LDL-C level during the initial 4 weeks (HR, 0.98; 95% CI: 0.97–0.99, P = 0.042) and baseline LDL-C level (HR, 0.98; 95% CI: 0.97–0.99, P = 0.033) predicted adverse events. Conclusions Rapid reduction of LDL-C level is strongly associated with favorable outcome in patients with AMI.
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Affiliation(s)
- Takashi Miura
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Matsumoto, Japan
- * E-mail:
| | - Atsushi Izawa
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Matsumoto, Japan
| | - Hirohiko Motoki
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yusuke Miyashita
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Matsumoto, Japan
| | - Yuichiro Kashima
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Matsumoto, Japan
| | - Souichiro Ebisawa
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Matsumoto, Japan
| | - Takeshi Tomita
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Matsumoto, Japan
| | - Jun Koyama
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Matsumoto, Japan
| | - Uichi Ikeda
- Department of Cardiovascular Medicine, Shinshu University School of Medicine, Matsumoto, Japan
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Hioki H, Miyashita Y, Miura T, Ebisawa S, Motoki H, Izawa A, Tomita T, Koyama J, Ikeda U. Diagnostic value of peripheral fractional flow reserve in isolated iliac artery stenosis: a comparison with the post-exercise ankle-brachial index. J Endovasc Ther 2015; 21:625-32. [PMID: 25290788 DOI: 10.1583/14-4734mr.1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
PURPOSE To examine in claudicant patients with aortoiliac lesions the relationship between the post-exercise ankle-brachial index (ABI) and the peripheral fractional flow reserve (p-FFR), a physiological test that has heretofore been used to assess coronary and renal artery stenosis. METHODS Sixteen male patients (mean age 68.1±7.5 years) with isolated iliac artery lesions detected by ultrasound in 17 limbs were enrolled in this study. Resting ABI was measured and a treadmill test was administered to measure the post-exercise ABI. During angiography, the p-FFR was measured using a pressure guidewire after administration of papaverine to induce hyperemia. Changes in the ABI during exercise and p-FFR at hyperemia were calculated. RESULTS The mean resting ABI and post-exercise ABI were 0.87±0.12 and 0.65±0.24, respectively. There was no complication during the measurement of p-FFR. The mean p-FFR at hyperemia was 0.71±0.14. A significant linear correlation was observed between post-exercise ABI and p-FFR at hyperemia (r=0.857, p<0.001), which was stronger than the correlation between post-exercise ABI and peak-to-peak pressure gradient at hyperemia (r= -0.626, p=0.013). CONCLUSIONS Measuring p-FFR appears to be a feasible and safe procedure, and there is a significant linear correlation between post-exercise ABI and p-FFR in aortoiliac lesions. The p-FFR was more accurate than a peak-to-peak pressure gradient in assessing the physiological significance of a stenosis. Though larger studies are required, p-FFR might be used to physiologically assess stenosis in PAD patients with isolated aortoiliac lesions.
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Affiliation(s)
- Hirofumi Hioki
- Department of Cardiovascular Disease, Shinshu University School of Medicine, Matsumoto, Japan
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Tsuji S, Higashiyama M, Tomita T, Matsui M, Tsuboi H, Hashimoto J. SAT0581 Predictors of Minimal Disease Activity in Patients Treated with Adalimumab for 52 Weeks in Clinical Practice. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.2115] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Tsuji S, Higashiyama M, Tomita T, Matsui M, Tsuboi H, Hashimoto J. THU0434 Bone Density and Metabolism with Disease Condition in Psoriatic Arthritis After Treatment with Adalimumab for 52 Weeks. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.2112] [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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Kasahara H, Tomita T, Bohgaki M, Koike T. FRI0589 Use of Ultrasonography and Tomosynthesis Can Improve the Diagnostic Performance of Early Rheumatoid Arthritis. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.3242] [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: 11/03/2022]
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Hirohata S, Abe A, Murasawa A, Tomita T, Yoshikawa H. FRI0183 Characteristic Changes in Histopathology of Synovial Tissues from Patients with Rheumatoid Arthritis Treated with Tocilizumab. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.2535] [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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