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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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Tamura N, Murakami K, Ozaki R, Takeuchi S, Ochiai A, Kawasaki Y, Okada Y, Kitade M, Itakura A. Current state of management of struma ovarii and preoperative imaging features: A retrospective case series study of 18 patients at a single institution. J Obstet Gynaecol Res 2023; 49:1007-1011. [PMID: 36631946 DOI: 10.1111/jog.15545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 12/28/2022] [Indexed: 01/13/2023]
Abstract
AIM Even though 95% of struma ovarii are benign, it is often overtreated because of the difficulty to distinguish it from malignancy. In this study, our aim was to evaluate the current state of the preoperative diagnosis and the selection of the surgical procedure, and to improve preoperative diagnostic accuracy by retrospectively reviewing imaging findings. METHODS We retrospectively reviewed the clinical course and imaging characteristics of 18 patients who were diagnosed postoperatively with struma ovarii, pathologically, at our institution between 2015 and 2021. RESULTS The preoperative diagnoses included benign ovarian tumor in eight cases, borderline in four cases, and malignant in six cases. None of the cases were diagnosed as struma ovarii preoperatively. Of the seven patients who had confirmed a desire for future childbearing, four patients were suspected for borderline or malignant tumor preoperatively, and underwent abdominal adnexectomy. In patients without a desire for childbearing, laparoscopic surgery was performed in only 45% of the patients whose preoperative diagnosis was benign. On magnetic resonance imaging (MRI), 54% of the cases showed enhanced solid components, which is characteristic of malignant tumors, but diffusion restriction was observed in only 11%. On computed tomography (CT), 78% of the cases showed a high attenuation lesion reflecting thyroid tissue. CONCLUSIONS Struma ovarii is difficult to distinguish from malignancy preoperatively, making the choice of surgical approach complicated. A comprehensive evaluation of diffusion-weighted MRI and CT findings may improve the accuracy of preoperative diagnosis of struma ovarii.
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Affiliation(s)
- Nami Tamura
- Departments of Obstetrics and Gynecology, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Keisuke Murakami
- Departments of Obstetrics and Gynecology, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Rie Ozaki
- Departments of Obstetrics and Gynecology, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Shiori Takeuchi
- Departments of Obstetrics and Gynecology, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Asako Ochiai
- Departments of Obstetrics and Gynecology, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Yu Kawasaki
- Departments of Obstetrics and Gynecology, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Yukiko Okada
- Departments of Obstetrics and Gynecology, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Mari Kitade
- Departments of Obstetrics and Gynecology, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Atsuo Itakura
- Departments of Obstetrics and Gynecology, Faculty of Medicine, Juntendo University, Tokyo, Japan
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Akasaki K, Semba T, Suetomi E, Okada Y, Suzuki K, Watanabe S, Hatano Y. MODELING OF TEMPORAL AND VERTICAL CHANGES IN 137Cs CONCENTRATION IN LAKE ONUMA. Radiat Prot Dosimetry 2022; 198:1170-1174. [PMID: 36083733 DOI: 10.1093/rpd/ncac138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 04/24/2022] [Accepted: 04/28/2022] [Indexed: 06/15/2023]
Abstract
According to the observed data of the activity concentration of $^{137}$Cs in Lake Onuma on Mount. Akagi, located in Gunma Prefecture, the decrease of the activity concentration slowed down since 2 years after the accident of Fukushima Daiichi Nuclear Power Plant. In the present study, we applied the time fractional diffusion equation to reproduce long-term changes in the time series of the activity concentration. In addition, we also reproduced the vertical distribution of the activity concentration with the parameter values, estimated by the time series data. We found that the model fit the observed data well for both time series and vertical distribution.
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Affiliation(s)
- Kentaro Akasaki
- Graduate School of Systems and Information Engineering, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Taisei Semba
- Graduate School of Systems and Information Engineering, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Eiichi Suetomi
- Graduate School of Systems and Information Engineering, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Yukiko Okada
- Atomic Energy Research Laboratory, Tokyo City University, Kawasaki, Kanagawa, Japan
| | - Kyuma Suzuki
- Gunma Prefectural Fisheries Experimental Station, Maebashi, Gunma, Japan
| | - Shun Watanabe
- Gunma Prefectural Fisheries Experimental Station, Maebashi, Gunma, Japan
| | - Yuko Hatano
- Graduate School of Systems and Information Engineering, University of Tsukuba, Tsukuba, Ibaraki, Japan
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Ishikawa Y, Tanaka N, Asano Y, Kodera M, Shirai Y, Akahoshi M, Hasegawa M, Matsushita T, Kazuyoshi S, Motegi S, Yoshifuji H, Yoshizaki A, Kohmoto T, Takagi K, Oka A, Kanda M, Tanaka Y, Ito Y, Nakano K, Kasamatsu H, Utsunomiya A, Sekiguchi A, Niro H, Jinnin M, Makino K, Makino T, Ihn H, Yamamoto M, Suzuki C, Takahashi H, Nishida E, Morita A, Yamamoto T, Fujimoto M, Kondo Y, Goto D, Sumida T, Ayuzawa N, Yanagida H, Horita T, Atsumi T, Endo H, Shima Y, Kumanogoh A, Hirata J, Otomo N, Suetsugu H, Koike Y, Tomizuka K, Yoshino S, Liu X, Ito S, Hikino K, Suzuki A, Momozawa Y, Ikegawa S, Tanaka Y, Ishikawa O, Takehara K, Torii T, Sato S, Okada Y, Mimori T, Matsuda F, Matsuda K, Imoto I, Matsuo K, Kuwana M, Kawaguchi Y, Ohmura K, Terao C. OP0112 THE EVER-LARGEST ASIAN GWAS FOR SYSTEMIC SCLEROSIS AND TRANS-POPULATION META-ANALYSIS IDENTIFIED SEVEN NOVEL LOCI AND A CANDIDATE CAUSAL SNP IN A CIS-REGULATORY ELEMENT OF THE FCGR REGION. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.665] [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
BackgroundGenome-wide association studies (GWASs) have identified 29 disease-associated single nucleotide polymorphisms (SNPs) for systemic sclerosis (SSc) in non-human leukocyte antigen (HLA) regions (1-7). While these GWASs have clarified genetic architectures of SSc, study subjects were mainly Caucasians limiting application of the findings to Asians.ObjectivesThe study was conducted to identify novel causal variants for SSc specific to Japanese subjects as well as those shared with European population. We also aimed to clarify mechanistic effects of the variants on pathogenesis of SSc.MethodsA total of 114,108 subjects comprising 1,499 cases and 112,609 controls were enrolled in the two-staged study leading to the ever-largest Asian GWAS for SSc. After applying a strict quality control both for genotype and samples, imputation was conducted using the reference panel of the phase 3v5 1,000 genome project data combined with a high-depth whole-genome sequence data of 3,256 Japanese subjects. We conducted logistic regression analyses and also combined the Japanese GWAS results with those of Europeans (6) by an inverse-variance fixed-effect model. Polygenicity and enrichment of functional annotations were evaluated by linkage disequilibrium score regression (LDSC), Haploreg and IMPACT programs. We also constructed polygenic risk score (PRS) to predict SSc development.ResultsWe identified three (FCRLA-FCGR, TNFAIP3, PLD4) and four (EOMES, ESR1, SLC12A5, TPI1P2) novel loci in Japanese GWAS and a trans-population meta-analysis, respectively. One of Japanese novel risk SNPs, rs6697139, located within FCGR gene clusters had a strong effect size (OR 2.05, P=4.9×10-11). We also found the complete LD variant, rs10917688, was positioned in cis-regulatory element and binding motif for an immunomodulatory transcription factor IRF8 in B cells, another genome-wide significant locus in our trans-ethnic meta-analysis and the previous European GWAS. Notably, the association of risk allele of rs10917688 was significant only in the presence of the risk allele of the IRF8. Intriguingly, rs10917688 was annotated as one enhancer-related histone marks, H3K4me1, in B cells, implying that FCGR gene(s) in B cells may play an important role in the pathogenesis of SSc. Furhtermore, significant heritability enrichment of active histone marks and a transcription factor C-Myc were found in B cells both in European and Japanese populations by LDSC and IMPACT, highlighting a possibility of a shared disease mechanism where abnormal B-cell activation may be one of the key drivers for the disease development. Finally, PRS using effects sizes of European GWAS moderately fit in the development of Japanese SSc (AUC 0.593), paving a path to personalized medicine for SSc.ConclusionOur study identified seven novel susceptibility loci in SSc. Downstream analyses highlighted a novel disease mechanism of SSc where an interactive role of FCGR gene(s) and IRF8 may accelerate the disease development and B cells may play a key role on the pathogenesis of SSc.References[1]F. C. Arnett et al. Ann Rheum Dis, 2010.[2]T. R. Radstake et al. Nat Genet, 2010.[3]Y. Allanore et al. PLoS Genet, 2011.[4]O. Gorlova et al. PLoS Genet, 2011.[5]C. Terao et al. Ann Rheum Dis, 2017.[6]E. López-Isac et al. Nat Commun, 2019.[7]W. Pu et al. J Invest Dermatol, 2021.Disclosure of InterestsNone declared
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Yamashita K, Kamei R, Sugimori H, Kuwashiro T, Tokunaga S, Kawamata K, Furuya K, Harada S, Maehara J, Okada Y, Noguchi T. Interobserver Reliability on Intravoxel Incoherent Motion Imaging in Patients with Acute Ischemic Stroke. AJNR Am J Neuroradiol 2022; 43:696-700. [PMID: 35450854 PMCID: PMC9089262 DOI: 10.3174/ajnr.a7486] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 02/11/2022] [Indexed: 12/11/2022]
Abstract
BACKGROUND AND PURPOSE Noninvasive perfusion-weighted imaging with short scanning time could be advantageous in order to determine presumed penumbral regions and subsequent treatment strategy for acute ischemic stroke (AIS). Our aim was to evaluate interobserver agreement and the clinical utility of intravoxel incoherent motion MR imaging in patients with acute ischemic stroke. MATERIALS AND METHODS We retrospectively studied 29 patients with AIS (17 men, 12 women; mean age, 75.2 [SD, 12.0 ] years; median, 77 years). Each patient underwent intravoxel incoherent motion MR imaging using a 1.5T MR imaging scanner. Diffusion-sensitizing gradients were applied sequentially in the x, y, and z directions with 6 different b-values (0, 50, 100, 150, 200, and 1000 seconds/mm2). From the intravoxel incoherent motion MR imaging data, diffusion coefficient, perfusion fraction, and pseudodiffusion coefficient maps were obtained using a 2-step fitting algorithm based on the Levenberg-Marquardt method. The presence of decreases in the intravoxel incoherent motion perfusion fraction and pseudodiffusion coefficient values compared with the contralateral normal-appearing brain was graded on a 2-point scale by 2 independent neuroradiologists. Interobserver agreement on the rating scale was evaluated using the κ statistic. Clinical characteristics of patients with a nondecreased intravoxel incoherent motion perfusion fraction and/or pseudodiffusion coefficient rated by the 2 observers were also assessed. RESULTS Interobserver agreement was shown for the intravoxel incoherent motion perfusion fraction (κ = 0.854) and pseudodiffusion coefficient (κ = 0.789) maps, which indicated almost perfect and substantial agreement, respectively. Patients with a nondecreased intravoxel incoherent motion perfusion fraction tended to show recanalization of the occluded intracranial arteries more frequently than patients with a decreased intravoxel incoherent motion perfusion fraction. CONCLUSIONS Intravoxel incoherent motion MR imaging could be performed in < 1 minute in addition to routine DWI. Intravoxel incoherent motion parameters noninvasively provide feasible, qualitative perfusion-related information for assessing patients with acute ischemic stroke.
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Affiliation(s)
- K Yamashita
- From the Departments of Radiology (K.Y., R.K., K.F., S.H., J.M., T.N.)
| | - R Kamei
- From the Departments of Radiology (K.Y., R.K., K.F., S.H., J.M., T.N.)
| | - H Sugimori
- Cerebrovascular Medicine and Neurology (H.S., T.K., Y.O.)
| | - T Kuwashiro
- Cerebrovascular Medicine and Neurology (H.S., T.K., Y.O.)
| | - S Tokunaga
- Neuroendovascular Therapy (S.T.), Clinical Research Institute
| | - K Kawamata
- Medical Technology (K.K.), Division of Radiology, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan
| | - K Furuya
- From the Departments of Radiology (K.Y., R.K., K.F., S.H., J.M., T.N.)
| | - S Harada
- From the Departments of Radiology (K.Y., R.K., K.F., S.H., J.M., T.N.)
| | - J Maehara
- From the Departments of Radiology (K.Y., R.K., K.F., S.H., J.M., T.N.)
| | - Y Okada
- Cerebrovascular Medicine and Neurology (H.S., T.K., Y.O.)
| | - T Noguchi
- From the Departments of Radiology (K.Y., R.K., K.F., S.H., J.M., T.N.)
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Oda Y, Yoshida K, Kawano R, Yoshinaka T, Oda A, Takahashi T, Oue K, Mukai A, Irifune M, Okada Y. Effects of antipsychotics on intravenous sedation with midazolam and propofol during dental treatment for patients with intellectual disabilities. J Intellect Disabil Res 2022; 66:323-331. [PMID: 35040230 DOI: 10.1111/jir.12913] [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] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 12/16/2021] [Accepted: 12/23/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND Some patients with intellectual disabilities (ID) are prescribed antipsychotic drugs for symptomatic treatment of behavioural disorders. Nevertheless, it can still prove difficult to perform dental treatments safely for some patients with ID. In such cases, treatment under intravenous sedation (IVS) is one option. Sedative, hypnotic and α-blocking effects of antipsychotic drugs may cause adverse events, such as severe hypotension, among patients who take antipsychotic drugs regularly. This study aimed to investigate the effects of oral antipsychotic medication on cardiovascular function during IVS. Accordingly, we compared mean blood pressure (MBP) and heart rate (HR) between patients who regularly take antipsychotic drugs and patients who do not. METHODS Thirty-seven patients with ID were enrolled in this study. All participants were outpatients of Special Care Dentistry of general hospital and received dental treatment under IVS performed with a combination of midazolam and propofol. Eighteen patients regularly took antipsychotics (medication group), and 19 patients were not currently taking antipsychotics (non-medication group). MBP, HR, dose, and effect-site concentration of intravenous sedative medications were measured at three points: 'before IVS', 'at optimal sedation', and 'during dental treatment'. RESULTS The magnitude of reduction of MBP was significantly smaller in the medication group than in the non-medication group (P < 0.023). However, there were no differences in MBP, HR, dose, and effect-site concentration of midazolam and propofol between groups at any point. CONCLUSION These results suggest that antipsychotic medication may not have clinically significant adverse effects on cardiovascular fluctuations during dental treatment under IVS for persons with ID.
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Affiliation(s)
- Y Oda
- Department of Special Care Dentistry, Hiroshima University Hospital, Hiroshima, Japan
| | - K Yoshida
- Department of Anesthesiology, Osaka Dental University Hospital, Osaka, Japan
| | - R Kawano
- Clinical Research Center in Hiroshima, Hiroshima University Hospital, Hiroshima, Japan
| | - T Yoshinaka
- Department of Dental Anesthesiology, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - A Oda
- Department of Dental Anesthesiology, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - T Takahashi
- Department of Dental Anesthesiology, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - K Oue
- Department of Dental Anesthesiology, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - A Mukai
- Department of Dental Anesthesiology, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - M Irifune
- Department of Dental Anesthesiology, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Y Okada
- Department of Special Care Dentistry, Hiroshima University Hospital, Hiroshima, Japan
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Suetomi E, Hatano Y, Fujita M, Okada Y, Suzuki K, Watanabe S. Long-term prediction of [Formula: see text]Cs in Lake Onuma on Mt. Akagi after the Fukushima accident using fractional diffusion model. Sci Rep 2021; 11:20336. [PMID: 34645862 PMCID: PMC8514508 DOI: 10.1038/s41598-021-99667-1] [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] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 09/29/2021] [Indexed: 11/08/2022] Open
Abstract
The Fukushima Daiichi Nuclear Power Plant accident also contaminates lakes in Japan. Especially in closed lakes, there is a problem of prolonged low-level [Formula: see text]Cs contamination because the activity concentration of [Formula: see text]Cs declines sharply immediately after the accident, but then begins to decrease slowly. In this paper, we derived a long-term prediction formula based on the fractional diffusion model (FDM) for the temporal variation in [Formula: see text]Cs activity concentrations of the water in Lake Onuma on Mt. Akagi, one of the closed lakes, and of pond smelt (Hypomesus nipponensis), a typical fish species inhabiting in the lake. The formula reproduced well the measured [Formula: see text]Cs activity concentration of the lake water and pond smelt for 5.4 years after the accident. Next, we performed long-term prediction for 10,000 days using this formula and compared it with the prediction results of the two-component decay function model (TDM), which is the most common model. The results suggest that the FDM prediction will lead to a longer period of contamination with low-level [Formula: see text]Cs than the TDM prediction.
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Affiliation(s)
- Eiichi Suetomi
- Faculty of Engineering, Information and Systems, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573 Japan
| | - Yuko Hatano
- Faculty of Engineering, Information and Systems; Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573 Japan
| | - Masakiyo Fujita
- Graduate School of Science and Technology, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573 Japan
| | - Yukiko Okada
- Atomic Energy Research Laboratory, Tokyo City University, Ozenji 971, Asao-ku, Kawasaki, Kanagawa 215-0013 Japan
| | - Kyuma Suzuki
- Gunma Prefectural Fisheries Experiment Station, 13, Shikishima, Maebashi, Gunma 371-0036 Japan
| | - Shun Watanabe
- Gunma Prefectural Fisheries Experiment Station, 13, Shikishima, Maebashi, Gunma 371-0036 Japan
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Yoshioka W, Sonehara K, Iida A, Oya Y, Kurashige T, Okubo M, Ogawa M, Matsuda F, Higasa K, Mori-Yoshimura M, Nakamura H, Hayashi S, Okada Y, Noguchi S, Nishino I. DISTAL MYOPATHIES. Neuromuscul Disord 2021. [DOI: 10.1016/j.nmd.2021.07.099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Saito S, Koga E, Okada Y, Tsuburai T, Yoshikata H, Miyagi E, Sakakibara H. Effects of age at estrogen replacement therapy initiation on trabecular bone score in Japanese adults with Turner syndrome. Osteoporos Int 2021; 32:671-680. [PMID: 32968889 DOI: 10.1007/s00198-020-05652-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 09/17/2020] [Indexed: 01/02/2023]
Abstract
UNLABELLED The effects of the age at estrogen replacement therapy (ERT) initiation on bone quality in Turner syndrome were evaluated using trabecular bone score. Early puberty ERT positively correlated with increase in bone quality. Early initiation of ERT is necessary for the acquisition of bone quality as well as bone density. INTRODUCTION Studies have reported associations between bone mineral density and estrogen replacement therapy (ERT) in Turner syndrome (TS) patients; however, few studies exist on the effect on bone quality. The aim of this study was to evaluate the effects of the age at ERT initiation on bone quality of Japanese TS patients, cross-sectionally and longitudinally. METHODS Cross-sectionally, 95 TS patients were divided into three groups based on their age at initiation of ERT: A (12-14 years, 11 patients), B (15-17 years, 47 patients), and C (over 18 years, 37 patients). To assess bone quality, trabecular bone score (TBS) was used. The effects of age at initiation and duration of ERT on TBS were examined using multiple regression analysis. In the longitudinal study, 48 patients who underwent dual-energy X-ray absorptiometry multiple times were divided into three groups: D (12-14 years, 8 patients), E (15-17 years, 18 patients), and F (over 18 years, 22 patients). Each group was analyzed for the rate of change in TBS per year. RESULTS Cross-sectionally, the TBS showed significant differences among the three groups (TBS A, 1.302; B, 1.299; C, 1.245) (p = 0.013); group C was significantly lower than B (p = 0.014); bone quality was degraded. Multiple regression analysis revealed that age at ERT initiation significantly affected the increase in TBS (p = 0.002). Longitudinally, the rate of change of TBS was not significantly different in the three groups (p = 0.73). CONCLUSION Early initiation of ERT may have positive effects on bone quality in TS. Large prospective studies will be needed.
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Affiliation(s)
- S Saito
- Department of Gynecology, Yokohama City University Medical Center, 4-57 Urafunecho, Minami-ku, Yokohama, Kanagawa, 232-0024, Japan
| | - E Koga
- Department of Gynecology, Yokohama City University Medical Center, 4-57 Urafunecho, Minami-ku, Yokohama, Kanagawa, 232-0024, Japan
| | - Y Okada
- Department of Gynecology, Yokohama City University Medical Center, 4-57 Urafunecho, Minami-ku, Yokohama, Kanagawa, 232-0024, Japan
| | - T Tsuburai
- Department of Gynecology, Yokohama City University Medical Center, 4-57 Urafunecho, Minami-ku, Yokohama, Kanagawa, 232-0024, Japan
| | - H Yoshikata
- Department of Gynecology, Yokohama City University Medical Center, 4-57 Urafunecho, Minami-ku, Yokohama, Kanagawa, 232-0024, Japan
| | - E Miyagi
- Department of Obstetrics and Gynecology, Yokohama City University Hospital, 3-9 Fukuura, Kanazawa-ku, Yokohama, Kanagawa, 236-0004, Japan
| | - H Sakakibara
- Department of Gynecology, Yokohama City University Medical Center, 4-57 Urafunecho, Minami-ku, Yokohama, Kanagawa, 232-0024, Japan.
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Kobayashi N, Toyama H, Kubo R, Matsuda Y, Okada Y, Ejima Y, Yamauchi M. Bicarbonate in Arteries Measured Preoperatively for Cadaveric Single-lung Transplantation is Related to Intraoperative Extra-Corporeal Membrane Oxygenation Use: A Retrospective Preliminary Study. Int J Organ Transplant Med 2021; 12:37-42. [PMID: 36570358 PMCID: PMC9758997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Background There are no known predictors of extracorporeal membrane oxygenation (ECMO) induction for single lung transplantation. Objective The purpose of the present study was to clarify the relationship between variables and ECMO requirements in single lung transplantation. Methods This study included adult patients who underwent cadaveric single lung transplantation between 2010 and 2019. After general anesthesia, the transplanted lungs were ventilated in all cases. The analysis included 38 patients in the ECMO required (RQ) group and 12 patients in the ECMO non-required (FR) group. Comparisons were made between the two groups for data affecting ECMO implementation, and data that were significantly different were subjected to multivariate analysis. Results Prior to anesthesia, the bicarbonate (HCO3-) value of the FR group was lower than that of the RQ group (24.6±2.7 vs. 29.7±5.3 mmol/L, p=0.005). Multivariate analysis showed that the cut-off bicarbonate value was 29.6. The area under the receiver operating characteristic curve (AUROC) of the model was 0.869 (R2: 0.331), with a sensitivity of 79% and a specificity of 88%. The odds ratio was 1.63 for every unit increase in the bicarbonate value (95%CI: 1.11-2.39, p<0.001). Further, the FR group had higher arterial blood pressure (mean: 79.0±11.5 vs. 68.9±8.3 mmHg, p=0.030), less blood loss (432±385 vs. 1,623±1,997 g, p<0.001), shorter operation time (417±44 vs. 543±111 min, p<0.001), and shorter ICU stay (11±9 vs. 25±38 days, p=0.039). Conclusion Preoperative evaluation of bicarbonate could predict the need for ECMO for single lung transplantation.
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Affiliation(s)
- N. Kobayashi
- Department of Anesthesiology and Perioperative Medicine, School of Medicine, Tohoku University, Japan,Correspondence: Naoya Kobayashi, MD, PhD, Department of Anesthesiology, Tohoku University Hospital 1-1 Seiryomachi, Aoba, Sendai, Japan, 980-857
| | - H. Toyama
- Department of Anesthesiology and Perioperative Medicine, School of Medicine, Tohoku University, Japan
| | - R. Kubo
- Department of Anesthesiology and Perioperative Medicine, School of Medicine, Tohoku University, Japan
| | - Y. Matsuda
- Department of Thoracic Surgery, Institute of Development, Aging and Cancer, Tohoku University, Japan
| | - Y. Okada
- Department of Thoracic Surgery, Institute of Development, Aging and Cancer, Tohoku University, Japan
| | - Y. Ejima
- Department of Surgical Center and Supply, Tohoku University, Japan
| | - M. Yamauchi
- Department of Anesthesiology and Perioperative Medicine, School of Medicine, Tohoku University, Japan
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12
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Naruse K, Abiko A, Nakayama H, Tanaka N, Ikeda K, Imachi H, Usigome E, Umayahara Y, Ota S, Okada Y, Kodani N, Takahashi N, Terai A, Nakamura A, Fujikawa R, Miura J, Morita E, Yanagimachi M, Ueki K. The work style and living condition survey of diabetologists and the expectations for the Japan Diabetes Society: results of questionnaires about the current state and the future prospect of their carrier in 2017. Diabetol Int 2020; 11:299-308. [PMID: 33088634 DOI: 10.1007/s13340-020-00441-x] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Indexed: 11/30/2022]
Abstract
The Japan Diabetes Society's Committee to Promote Female Diabetologists conducted a questionnaire survey from May to June 2017 to investigate the work style and living situation of diabetologists. The survey targeted 5298 Board Certified Diabetologists (diabetologists), with answers obtained from 1566 diabetologists (male, n = 1003: females, n = 563). Ninety-four percent of the males and 72% of the females worked full time. Twenty-one percent of the male subjects and 7% of the female subjects were heads of clinical departments, and 23% of the male subjects and 13% of the female subjects were diabetes training instructors, showing that there were fewer women than men in both roles. Regarding the allocation of time per day, men spent 10.7 h working, while women spent 8.5 h working. Both men and women slept 6.3 h. Men spent 1.0 h on housework, while women spent 3.3 h on housework. Men spent 0.7 h on childcare and nursing care, while women, spent 2.8 h. Among diabetologists in the childrearing generation, men spent 1.4 h providing childcare and nursing care, while women spent 4.9 h, showing that women spent significantly more time on these tasks than men. To encourage female diabetologists to work more actively, to reduce overworking on the part of male diabetologists, and to enhance the careers of both men and women as diabetologists, we conclude it necessary to improve the workplace environment and for the Japan Diabetes Society to offer support.
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Affiliation(s)
- Keiko Naruse
- Department of Internal Medicine, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
| | - Atsuko Abiko
- Division of Metabolism and Biosystemic Science, Department of Medicine, Asahikawa Medical University, Midorigaoka 2-1-1-1, Asahikawa, Hokkaido 078-8510 Japan
| | - Hitomi Nakayama
- Division of Endocrinology and Metabolism, Department of Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Nobue Tanaka
- Diabetes Center, Tokyo Women's Medical University School of Medicine, Tokyo, Japan
| | - Kaori Ikeda
- Department of Diabetes, Endocrinology and Nutrition, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hitomi Imachi
- Department of Endocrinology and Metabolism, Faculty of Medicine, Kagawa University, Kagawa, Japan
| | - Emi Usigome
- Department of Endocrinology and Metabolism, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yutaka Umayahara
- Department of Diabetes and Endocrinology, Osaka General Medical Center, Osaka, Japan
| | - Setsu Ota
- Diabetes Center, Ohta-Nishinouti Hospital, Ohta General Hospital Foundation, Fukushima, Japan
| | - Yukiko Okada
- Internal Medicine of Endocrinology and Metabolism, Kasugai Municipal Hospital, Kasugai, Japan
| | - Noriko Kodani
- Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Noriko Takahashi
- Department of Physiology, Kitasato University School of Medicine, Sagamihara, Japan
| | - Ai Terai
- Department of Molecular Sciences on Diabetes, Department of Diabetes and Metabolic Diseases, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Akinobu Nakamura
- Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | | | - Junnosuke Miura
- Diabetes Center, Tokyo Women's Medical University School of Medicine, Tokyo, Japan
| | | | - Miyuki Yanagimachi
- Endocrinology, Diabetes and Metabolism, Hirosaki University Hospital, Hirosaki, Japan
| | - Kojiro Ueki
- Department of Molecular Diabetic Medicine, Diabetes Research Center, National Center for Global Health and Medicine, Tokyo, Japan
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Tanaka K, Uehara T, Ohara T, Sato S, Hayakawa M, Kimura K, Okada Y, Hasegawa Y, Tanahashi N, Suzuki A, Nakagawara J, Arii K, Nagahiro S, Ogasawara K, Uchiyama S, Matsumoto M, Iihara K, Toyoda K, Minematsu K. Transient ischemic attack without self-awareness of symptoms witnessed by bystanders: analysis of the PROMISE-TIA registry. Eur J Neurol 2020; 28:509-515. [PMID: 32961590 PMCID: PMC7820962 DOI: 10.1111/ene.14550] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 09/14/2020] [Indexed: 11/30/2022]
Abstract
Background and purpose A transient ischemic attack (TIA) can occur without self‐awareness of symptoms. We aimed to investigate characteristics of patients with a tissue‐based diagnosis of TIA but having no self‐awareness of their symptoms and whose symptoms were witnessed by bystanders. Methods We used data from the multicenter registry of 1414 patients with a clinical diagnosis of TIA. For patients without evidence of ischemic lesions on imaging, clinical characteristics were compared between patients with and without self‐awareness of their TIA symptoms. Results Among 896 patients (559 men, median age of 70 years), 59 (6.6%) were unaware of their TIA symptoms, but had those symptoms witnessed by bystanders. Patients without self‐awareness of symptoms were older and more frequently female, and more likely to have previous history of stroke, premorbid disability, and atrial fibrillation, but less likely to have dyslipidemia than those with self‐awareness. Patients without self‐awareness of symptoms arrive at hospitals earlier than those with self‐awareness (P < 0.001). ABCD2 score was higher in patients without self‐awareness of symptoms than those with self‐awareness (median 5 vs. 4, P = 0.002). Having no self‐awareness of symptoms was a significant predictor of ischemic stroke within 1 year after adjustment for sex, ABCD2 score, and onset to arrival time (hazard ratio = 2.44, 95% confidential interval: 1.10–4.83), but was not significant after further adjustment for arterial stenosis or occlusion. Conclusions Patients with a TIA but having no self‐awareness of their symptoms might have higher risk of subsequent ischemic stroke rather than those with self‐awareness, suggesting urgent management is needed even if patients have no self‐awareness of symptoms.
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Affiliation(s)
- K Tanaka
- Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan.,Department of Neurology, Graduate School of Medical Sciences, Neurological Institute, Kyushu University, Fukuoka, Japan
| | - T Uehara
- Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan
| | - T Ohara
- Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan
| | - S Sato
- Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan
| | - M Hayakawa
- Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan
| | - K Kimura
- Department of Stroke Medicine, Kawasaki Medical School, Kurashiki, Japan
| | - Y Okada
- Department of Cerebrovascular Medicine and Neurology, Clinical Research Institute, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan
| | - Y Hasegawa
- Department of Neurology, Nagoya Daini Red Cross Hospital, Nagoya, Japan
| | - N Tanahashi
- Department of Neurology and Cerebrovascular Medicine, Saitama Medical University Saitama International Medical Center, Hidaka, Japan
| | - A Suzuki
- Department of Stroke Science, Research Institute for Brain and Blood Vessels-Akita, Akita, Japan
| | - J Nakagawara
- Department of Neurosurgery, Nakamura Memorial Hospital, Sapporo, Japan
| | - K Arii
- Department of Neurology, Ebara Hospital, Tokyo, Japan
| | - S Nagahiro
- Department of Neurosurgery, Tokushima University, Tokushima, Japan
| | - K Ogasawara
- Department of Neurosurgery, Iwate Medical University, Morioka, Japan
| | - S Uchiyama
- Department of Neurology, Tokyo Women's Medical University, Tokyo, Japan.,Clinical Research Center for Medicine, Center for Brain and Cerebral Vessels, Sanno Hospital and Sanno Medical Center, International University of Health and Welfare, Tokyo, Japan
| | - M Matsumoto
- Department of Clinical Neuroscience and Therapeutics, Hiroshima University, Hiroshima, Japan.,Department of Neurology, Sakai City Medical Center, Sakai, Japan
| | - K Iihara
- Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan
| | - K Toyoda
- Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan
| | - K Minematsu
- Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan
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Hirayama Y, Okawa A, Nakamachi K, Aoyama T, Okada Y, Oi T, Hirose K, Kikawada Y. Estimation of water seepage rate in the active crater lake system of Kusatsu-Shirane volcano, Japan, using FDNPP-derived radioactive cesium as a hydrological tracer. J Environ Radioact 2020; 218:106257. [PMID: 32421578 DOI: 10.1016/j.jenvrad.2020.106257] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 03/18/2020] [Accepted: 03/18/2020] [Indexed: 06/11/2023]
Abstract
We describe here a first attempt to estimate the water seepage rate of an active crater lake using radioactive cesium dispersed into the environment by the Fukushima Dai-ichi Nuclear Power Plant accident in March 2011 as a hydrological tracer. Kusatsu-Shirane volcano is one of the most active volcanoes in Japan and has an active crater lake named Yugama. There is no outflow such as a river from Yugama crater lake. The content level of stable cesium (133Cs) in Yugama water was almost constant at 15-20 nM during the sampling period of Nov. 2011 to Nov. 2014. In contrast to 133Cs, however, the radioactive cesium (134Cs and 137Cs) concentrations in Yugama water decreased at a more rapid rate than expected by radioactive decay. Based on the decreasing rates of activity concentrations of 134Cs and 137Cs in Yugama water during the three years between 2012 and 2014, it is estimated that 700-800 m3 of the Yugama water, which corresponds approximately to 0.1% of the total volume, leaks through the lakebed per day. In the estimation, balance between leakage of radioactive cesium contaminated water though lake bed and geothermal inflow of radioactive cesium-free water in the volcano was taken into account. Consequently, the water seepage rate of the Yugama crater lake was calculated to be 8.1-9.3 L s-1.
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Affiliation(s)
- Yuko Hirayama
- Department of Materials and Life Sciences, Faculty of Science and Technology, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, 102-8554, Japan
| | - Aya Okawa
- Department of Materials and Life Sciences, Faculty of Science and Technology, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, 102-8554, Japan
| | - Ko Nakamachi
- Atomic Energy Research Laboratory, Tokyo City University, Ozenji 971, Asao-ku, Kawasaki, 215-0013, Japan
| | - Tatsuya Aoyama
- Department of Materials and Life Sciences, Faculty of Science and Technology, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, 102-8554, Japan
| | - Yukiko Okada
- Atomic Energy Research Laboratory, Tokyo City University, Ozenji 971, Asao-ku, Kawasaki, 215-0013, Japan
| | - Takao Oi
- Department of Materials and Life Sciences, Faculty of Science and Technology, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, 102-8554, Japan
| | - Katsumi Hirose
- Department of Materials and Life Sciences, Faculty of Science and Technology, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, 102-8554, Japan
| | - Yoshikazu Kikawada
- Department of Materials and Life Sciences, Faculty of Science and Technology, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, 102-8554, Japan.
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Okada Y, Kondo T, Shibata A, Chino K, Kurasawa T, Amano K. AB1124 USEFULNESS OF SUPERB MICRO-VASCULAR IMAGING(SMI) TO DETECT SILENT VASCULITIC DISEASE ACTIVITY IN 2 CASES OF TAKAYASU ARTERITIS. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.1806] [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:It is important to use vascular imaging modalities such as CT, MRI and PET-CT to evaluate disease activity of Takayasu arteritis (TAK). In particular, under treatment with tocilizumab (TCZ), redsidual vasculitic disease activity may remain even if serum CRP becomes negative. Contrast-enhanced CT,MRI and PET-CT can evaluate the morphology of blood vessel walls and the distribution of lesions and vasculitic activity, but it is invasive (radiation or contract media exposure), and costly. Ultrasound is superior in terms of morphological evaluation, cost, convenience, and low invasiveness. In particular, Superb Micro-vascular Imaging(SMI) is one of the micro blood flow display methods that can be installed in the ultrasound diagnostic device Aplio series.There are some case reports in which micro blood flow signals of the carotid artery walls were detected using SMI in Takayasu arteritis [1] [2]. Both reports indicate that SMI blood flow is a comparable indicator of disease activity as serum CRP.Objectives:To report the usefulness of SMI in 2 TAK patients who had negative serum CRP but had residual disease activity, leading to appropriate adjustment of treatment.Methods:Two TAK patients who had been newly diagnosed in our department from May 2015 to October 2018 and had received SMI to detect carotid artery wall blood flow signal were retrospectively analyzed.Results:Case 1A 32-year-old woman developed neck pain, headaches, fever and she had high serum levels of CRP (8.1 mg/dl) and elevated ESR (98 mm/h). Contrast-enhanced CT showed thickening of the carotid artery, left subclavian artery and thoracic aorta and SMI detected blood flow signal in carotid artery wall. Diagnosis of TAK was made. After 2-week treatment with 1 mg/kg/day of PSL, CRP became negative but the micro blood flow in carotid arterity walls was detedted by SMI. Therefore,subcutaneous TCZ (162 mg/week)was added in combination with PSL.One year later, micro blood flow disappeared and we could judge there was no vasculitis activity (Figure A).Before treatment starts2 weeks after starting treatmentOne year after starting treatmenttreatment-PSL 1mg/kg/day ongoingPSL 7mg/day ongoingTCZ 162 mg/week ongoingCRP(mg/dl)+ (8.1)−(0.0)−(0.0)SMI signal++−Figure 1.A. Clinical course of Case 1Case 2A 17-year-old woman developed proximal upper limb pain and fever with high serum CRP levels (7.1 mg/dl) and elevated ESR (>110 mm/h), and contrast-enhanced CT showed thickening of the carotid arteries and aortic arch. Two weeks after the start of PSL (1 mg/kg/day), CRP became negative at 0.3 mg/dl, but intramural blood flow detected by SMI remained. Then subcutaneous TCZ was added. Two weeks later, CRP became negative, and the SMI blood flow also disappeared (Figure B).Before treatment starts2 weeks after starting treatment4 weeks after starting treatmenttreatment-PSL 1mg/kg/day ongoingPSL 50 mg/day ongoingTCZ 162 mg/week addedCRP(mg/dl)+ (7.1)−(0.3)−(0.0)SMI signal++−Figure 2.B. Clinical course of Case 2Conclusion:Although SMI has the limitation that it cannot evaluate deep vascular lesions such as aorta, it is neither invasive nor costly and may be a good tool for evaluation of residual vasculitis activity of TAK.References:[1]Sato W, Sato T, Iino T, Seki K, Watanabe H. Visualization of arterial wall vascularization using superb microvascular imaging in active-stage Takayasu arteritis.European Heart Journal - Cardiovascular Imaging. 2019;20(6):719[2]Ito S, Tahara N, Hirakata S, et al. Signal intensity of superb micro-vascular imaging associates with the activity of vascular inflammation in Takayasu arteritis.Journal of Nuclear Cardiology:Official Publication of the American Society of Nuclear Cardiology. 2019 Mar DOI: 10.1007/s12350-019-01665-4.Acknowledgments:We thank Minako.Yamashita and Masahiro.setoyama for her technical assistance to conduct SMI.Disclosure of Interests:None declared
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Tokuno J, Oga T, Chen-Yoshikawa T, Oto T, Okawa T, Okada Y, Akiba M, Ikeda M, Tanaka S, Yamada Y, Yutaka Y, Ohsumi A, Nakajima D, Hamaji M, Isomi M, Chin K, Date H. Analysis of the Change in Sleep Quality in Lung Transplant Recipients. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.515] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Abstract
OBJECTIVES To clarify whether serum creatinine to cystatin C ratio (CCR), a marker of muscle mass and muscle function may be used as a simple marker of bone property. DESIGN A cross-sectional analysis. SETTING A general population-based observation study. PARTICIPANTS 1,606 middle-aged to elderly (≥50 years, mean age: 66.9 ± 7.5 years old) men (n = 642) and post-menopausal women (n = 964). MEASUREMENT Speed of sound (SOS) at the calcaneal bone was used as a surrogate marker of bone mineral density. The cross-sectional area of the muscle at the mid-thigh was measured using computed tomography. RESULTS There was significant linear correlation between the quartiles of CCR and SOS (Q1: 1,495 ± 25, Q2: 1,499 ± 24, Q3: 1,507 ± 26, Q4: 1,511 ± 25 m/sec; P < 0.001) even in a sex-separated analysis. This association was independent of major covariates (Q1: β = -0.126, P < 0.001; Q2: β = -0.096, P = 0.001; Q3: β = -0.022; P = 0.412, Q4: reference) and the mid-thigh muscle mass, while creatinine alone or eGFR did not show clear association with SOS. CONCLUSION The CCR may be used as a simple marker of bone property independently of muscle mass in a general population with preserved renal function.
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Affiliation(s)
- Y Tabara
- Yasuharu Tabara, Center for Genomic Medicine, Kyoto University Graduate School of Medicine, Shogoinkawara-cho, Sakyo-ku, Kyoto 606-8507, Japan, Tel: +81-75-751-4157, Fax: +81-75-751-4167, E-mail:
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Okada Y, Hashimoto K, Ishii W, Iiduka R, Koike K. Development and validation of a model to predict the need for emergency front-of-neck airway procedures in trauma patients. Anaesthesia 2019; 75:591-598. [PMID: 31788784 DOI: 10.1111/anae.14895] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/24/2019] [Indexed: 12/17/2022]
Abstract
The present study aimed to develop and validate a model for predicting the need for emergency front-of neck airway (eFONA) procedures among trauma patients. This was a multicentre retrospective cohort study using data from the Japan Trauma Data Bank between January 2004 and December 2017. Only adult trauma patients were included. The cohort was divided into development and validation cohorts. A simple scoring system was developed to predict the necessity for emergency front-of neck airway procedures in the development cohort using a logistic regression model. The external validity and diagnostic ability of the scoring system was assessed in the validation cohort. In total, 198,182 out of 294,274 patients were included; emergency front-of-neck airway occurred in 467 patients (0.24%) they were divided into development (n = 100,120 with 0.22% undergoing emergency front-of neck airway) and validation (n = 98,062 with 0.25% undergoing emergency front-of neck airway) cohorts. The 'eFONA' prediction scoring system was developed in the development cohort, with a score of +1 for each of the following: Eye opening (no eye opening in response to any stimuli); Fall from height or motor bike; Oral-maxillofacial injury; Neck tracheal injury; and Airway management by paramedics. In the validation cohort, the C-statistic of the scoring system was 0.820. Setting the cut-off value at one for rule-out, the sensitivity and negative likelihood ratios were 0.86 and 0.22, respectively. Setting the cut-off value at two for rule-in, the specificity and positive likelihood ratios were 0.91 and 6.6, respectively. The present scoring system may assist in predicting the need for emergency front-of neck airway procedures among the general trauma population.
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Affiliation(s)
- Y Okada
- Department of Primary Care and Emergency Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Department of Preventive Services, Kyoto University, Kyoto, Japan
| | - K Hashimoto
- Department of Healthcare Epidemiology, School of Public Health, Kyoto University, Kyoto, Japan
| | - W Ishii
- Department of Emergency Medicine and Critical Care, Japanese Red Cross Society Kyoto Daini Hospital, Kyoto, Japan
| | - R Iiduka
- Department of Emergency Medicine and Critical Care, Japanese Red Cross Society Kyoto Daini Hospital, Kyoto, Japan
| | - K Koike
- Department of Primary Care and Emergency Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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Yoshinaga J, Morita M, Yukawa M, Shiraishi K, Kawamura H, Arae H, Baker S, Barnes RM, Dang HS, De Regge P, Funato Y, Futatsugawa K, Hirai S, Kato T, Kawamoto K, Matsubara M, Matsue H, Miller-Ihli NJ, Muramatsu Y, Narukawa T, Okada Y, Reitznerová E, Sakamoto H, Sera K, Shindo K, Suzuki S, Takata J, Takeuchi T, Tamari Y, Tanizaki Y, Veillon C, Yasui A, Yonezawa C. Certified Reference Material for Analytical Quality Assurance of Minor and Trace Elements in Food and Related Matrixes Based on a Typical Japanese Diet: Interlaboratory Study. J AOAC Int 2019. [DOI: 10.1093/jaoac/84.4.1202] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
A Certified Reference Material (CRM) was prepared at the National Institute for Environmental Studies (NIES), Japan, in collaboration with the National Institute of Radiological Sciences (NIRS), Japan, for the analytical quality assurance of minor and trace elements in food and related matrixes. The starting material for the CRM was all food served in 29 households in Japan over two 3-day periods in 1997–1998, and thus the CRM represented a typical Japanese diet. All foods (meals, snacks, and beverages) were homogenized, freeze-dried, pulverized, blended, dispensed into 1100 bottles, and sterilized. The within- and between-bottle homogeneity of the prepared CRM was satisfactory for most of the elements. The concentrations of 14 elements (Na, Mg, K, Ca, Mn, Cu, Zn, As, Se, Sr, Cd, Sn, Ba, and U) were certified based on a collaborative analysis involving NIES, NIRS, and 20 other laboratories. Reference values were given for the concentrations of 12 additional elements (P, Cl, Fe, Co, Ni, Br, Rb, Mo, I, Cs, Pb, and Th). The elements certified and those given reference values include minerals, essential trace elements, contaminant elements, and long-lived radionuclides. Thus, this CRM is of practical value in the quality assurance of element analysis of foods and diets in nutritional, environmental, and radiological research.
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Affiliation(s)
- Jun Yoshinaga
- National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-0053, Japan; Present address: Institute of Environmental Studies, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan
| | - Masatoshi Morita
- National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-0053, Japan; Present address: Institute of Environmental Studies, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan
| | - Masae Yukawa
- National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan
| | - Kunio Shiraishi
- National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan
| | - Hisao Kawamura
- National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan
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Igase M, Okada Y, Ochi M, Igase K, Ochi H, Okuyama S, Furukawa Y, Ohyagi Y. Auraptene in the Peels of Citrus Kawachiensis (Kawachibankan) Contributes to the Preservation of Cognitive Function: A Randomized, Placebo-Controlled, Double-Blind Study in Healthy Volunteers. J Prev Alzheimers Dis 2019; 5:197-201. [PMID: 29972213 DOI: 10.14283/jpad.2017.47] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVES Dementia, which is characterized by a progressive decline in cognitive function, is a major concern in aging societies. Although a number of treatments have been approved, an effective therapy to prevent the disorder is lacking. A supplement that improves cognitive function would benefit patients. The aim of this study was to assess whether auraptene, a citrus coumarin, has a protective effect on cognitive decline. DESIGN A randomized, placebo-controlled, double-blind study SETTING: Outpatient medical check-up program for cognitive disorders PARTICIPANTS: 84 adult volunteers (they are cognitively normal) met inclusion and exclusion criteria to participate. INTERVENTION 42 participants received auraptene enriched (containing 6.0 mg/day of auraptene) test juice, and another participants received placebo juice. MEASUREMENTS 1) Mild Cognitive Impairment (MCI) Screen using the 10-word immediate recall test. 2) The Mini-Mental State Examination (MMSE). Cognitive assessment ware carried out baseline and at 24 weeks. RESULTS Auraptene enriched test juice did not improve cognitive function after 24 weeks compared with baseline data. However, there was a significant difference in the percentage change in cognitive function between the test and placebo orange juice groups (6.3 ± 18.9 vs. -2.4 ± 14.8, P < 0.05). Multiple regression analysis demonstrated a significant independent relationship between the percentage change in the 10-word immediate recall test score and test juice consumption including baseline 10-word immediate recall test score in all subjects. CONCLUSION This is the first study to assess the effectiveness of auraptene in the prevention of cognitive decline. Our results suggest that auraptene is a safe supplement for the prevention of cognitive decline.
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Affiliation(s)
- M Igase
- Michiya Igase, MD, PhD, Department of Geriatric Medicine and Neurology, Ehime University Graduate School of Medicine, 454 Shitsukawa, Toon City, Ehime 791-0295, Japan, Phone: +81-89-960-5851, Fax: +81-89-960-5852, E-mail:
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Hirata T, Okada Y, Nozaki M, Tashiro H, Nakano K. Impact of proteinuria on long-term renal function in patients with gastrointestinal cancer treated with ramucirumab. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz155.172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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22
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Suzuki Y, Oishi H, Kanehira M, Matsuda Y, Sado T, Noda M, Funahashi J, Sakurada A, Okada Y. CTLA4-Ig Therapy Attenuates Bronchiolitis Obliterans after Mouse Intrapulmonary Trachial Transplantation Model through Possibility of Effect of LAG3+Tregs. J Heart Lung Transplant 2019. [DOI: 10.1016/j.healun.2019.01.621] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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23
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Yoshikawa H, Yoshida M, Yasaka M, Yoshida H, Murasato Y, Fukunaga D, Shintani A, Okada Y. Safety of tooth extraction in patients receiving direct oral anticoagulant treatment versus warfarin: a prospective observation study. Int J Oral Maxillofac Surg 2019; 48:1102-1108. [PMID: 30745243 DOI: 10.1016/j.ijom.2019.01.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 11/14/2018] [Accepted: 01/22/2019] [Indexed: 10/27/2022]
Abstract
The aim of this study was to compare the safety of tooth extraction in patients receiving direct oral anticoagulants (DOACs) or warfarin without cessation of their antithrombotic treatment. This prospective observational study included 367 patients undergoing tooth extraction (119 receiving DOACs and 248 receiving warfarin). All extractions in DOAC patients were performed 6-7h after taking DOACs in consideration of the half-life in blood under continued antithrombotic treatment. To examine the potential postoperative bleeding risk related to the time of extraction and the drug concentration of blood, activated partial thromboplastin time (APTT) in dabigatran and prothrombin time (PT) in rivaroxaban were measured three times after administration. A total of 390 tooth extractions were performed: 128 in the DOAC patients and 262 in warfarin patients. Postoperative bleeding occurred in four extractions (3.1%) in the DOAC group and in 23 (8.8%) in the warfarin group. There was no statistically significant difference between the two groups (odds ratio: 2.362, 95% confidence interval (CI) 0.819-6.815, p=0.112). APTT and PT prolongation in almost all cases decreased with time after taking the medicine. Our findings suggest that interruption of DOAC therapy is not necessary for tooth extraction if the procedure is performed at least 6h after the last dose.
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Affiliation(s)
- H Yoshikawa
- Department of Dentistry and Oral Surgery, Clinical Research Institute, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan.
| | - M Yoshida
- Department of Dentistry and Oral Surgery, Clinical Research Institute, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan
| | - M Yasaka
- Cerebrovascular Medicine and Neurology, Cerebrovascular Center, Clinical Research Institute, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan
| | - H Yoshida
- Department of Medical Statistics, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Y Murasato
- Department of Cardiology, Cardiovascular Center, Clinical Research Institute, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan
| | - D Fukunaga
- Department of Dentistry and Oral Surgery, Clinical Research Institute, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan
| | - A Shintani
- Department of Medical Statistics, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Y Okada
- Cerebrovascular Medicine and Neurology, Cerebrovascular Center, Clinical Research Institute, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan
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Yoshida H, Yamazaki K, Komiya A, Aoki M, Kasamatsu S, Murata T, Sayo T, Cilek MZ, Okada Y, Takahashi Y. Inhibitory effects of Sanguisorba officinalis root extract on HYBID (KIAA1199)-mediated hyaluronan degradation and skin wrinkling. Int J Cosmet Sci 2019; 41:12-20. [PMID: 30485450 DOI: 10.1111/ics.12505] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Accepted: 11/22/2018] [Indexed: 12/31/2022]
Abstract
OBJECTIVES Hyaluronan (HA), an important constituent of extracellular matrix in the skin, has many biological activities such as hydration that contributes to firmness and bounciness of the skin. We have reported that reduction in HA in the papillary dermis and over-expression of HYBID (HYaluronan Binding protein Involved in hyaluronan Depolymerization, alias KIAA1199 or CEMIP), a key molecule for HA degradation in skin fibroblasts, are implicated in facial skin wrinkling in Japanese and Caucasian women. However, little or no information is available for substances which inhibit the HYBID-mediated HA degradation. METHODS Inhibition of Sanguisorba officinalis root extract and ziyuglycoside I, one of the components of Sanguisorba officinalis root extract, to the HYBID-mediated HA degradation was assessed by size-exclusion chromatography of HA depolymerized by stable transfectants of HYBID in HEK293 cells (HYBID/HEK293 cells) or normal human skin fibroblasts (Detroit 551 cells and NHDF-Ad cells). The HYBID mRNA and protein expression was examined by quantitative real-time PCR and immunoblotting in the skin fibroblasts treated with Sanguisorba officinalis root extract, and size distribution of newly produced HA was evaluated by preparing metabolically radiolabelled HA. A double-blind, randomized and placebo-controlled study was carried out in the 21 healthy Japanese women, who were topically treated with the formulation containing Sanguisorba officinalis root extract or the placebo on each side of the face including crow's foot area. RESULTS Sanguisorba officinalis root extract, but not ziyuglycoside I, abolished HYBID-mediated HA degradation by HYBID/HEK293 cells. Sanguisorba officinalis root extract also inhibited HYBID-mediated HA degradation in skin fibroblasts by down-regulating HYBID mRNA and protein expression. Although control untreated skin fibroblasts produced polydispersed HA, the cells treated with Sanguisorba officinalis root extract produced only high-molecular-weight HA. Treatment with Sanguisorba officinalis root extract-formulated lotion significantly improved skin elasticity, and reduced skin wrinkling scores at the outer eye corner compared with the placebo formulation. CONCLUSION Sanguisorba officinalis root extract showed an anti-HYBID-mediated HA degradation activity and anti-wrinkle activity on human facial skin, which is accompanied by the improvement in elasticity. Our study provides the possibility of a new strategy to inhibit HYBID-mediated HA degradation for anti-wrinkle care.
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Affiliation(s)
- H Yoshida
- Biological Science Research, Kao Corporation, 3-28, 5-chome, Kotobuki-cho, Odawara-shi, Kanagawa, 250-0002, Japan
| | - K Yamazaki
- Biological Science Research, Kao Corporation, 3-28, 5-chome, Kotobuki-cho, Odawara-shi, Kanagawa, 250-0002, Japan
| | - A Komiya
- Biological Science Research, Kao Corporation, 3-28, 5-chome, Kotobuki-cho, Odawara-shi, Kanagawa, 250-0002, Japan
| | - M Aoki
- Biological Science Research, Kao Corporation, 3-28, 5-chome, Kotobuki-cho, Odawara-shi, Kanagawa, 250-0002, Japan
| | - S Kasamatsu
- Biological Science Research, Kao Corporation, 3-28, 5-chome, Kotobuki-cho, Odawara-shi, Kanagawa, 250-0002, Japan
| | - T Murata
- Skin Care Products Research, Kao Corporation, 3-28, 5-chome, Kotobuki-cho, Odawara-shi, Kanagawa, 250-0002, Japan
| | - T Sayo
- Biological Science Research, Kao Corporation, 3-28, 5-chome, Kotobuki-cho, Odawara-shi, Kanagawa, 250-0002, Japan
| | - M Z Cilek
- Department of Pathophysiology for Locomotive and Neoplastic Diseases, Juntendo University Graduate School of Medicine, Tokyo, 113-8421, Japan
| | - Y Okada
- Department of Pathophysiology for Locomotive and Neoplastic Diseases, Juntendo University Graduate School of Medicine, Tokyo, 113-8421, Japan
| | - Y Takahashi
- Biological Science Research, Kao Corporation, 3-28, 5-chome, Kotobuki-cho, Odawara-shi, Kanagawa, 250-0002, Japan
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Suthabanditpong W, Takai C, Razavi-Khosroshahi H, Okada Y, El-Salmawy M, Fuji M. Influence of CaCO3 pore-forming agent on porosity and thermal conductivity of cellulose acetate materials prepared by non-solvent induced phase separation. ADV POWDER TECHNOL 2019. [DOI: 10.1016/j.apt.2018.10.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Suzuki H, Matsuda Y, Noda M, Oishi H, Watanabe T, Sado T, Yamada M, Tamada T, Okada Y. Management of De Novo Mycobacterial Infection After Lung Transplantation Without Rifampicin: Case Series of a Single Institution. Transplant Proc 2018; 50:2764-2767. [PMID: 30401393 DOI: 10.1016/j.transproceed.2018.03.058] [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: 01/20/2018] [Accepted: 03/02/2018] [Indexed: 10/17/2022]
Abstract
BACKGROUND AND OBJECTIVES To treat organ transplant patients with mycobacterial infection, physicians need to pay attention to interaction between drugs used against mycobacteria and immunosuppressants. The purpose of this report is to describe the clinical features of and treatment for mycobacterial infection in lung transplant (LTx) recipients. METHODS To investigate the incidence, treatment, and outcome for mycobacterial infection, we retrospectively reviewed 100 LTx recipients in our program since 2000. RESULTS Four recipients (4.0%) developed mycobacterial infection. Three recipients took tacrolimus, and 1 received cyclosporine with mycophenolate mofetil and a steroid for immunosuppression. Tuberculosis (TB) was isolated from 2 recipients, and non-tuberculous mycobacteriosis (NTM) was detected in the other 2. We treated the patients with levofloxacin + isoniazid + pyrazinamide + ethambutol (EB) for TB and clarithromycin (CLM) + EB for NTM to avoid interaction of calcineurin inhibitors (CNI: 8-10 ng/mL in trough level) with rifampicin (RFP). In treating the patients with NTM, we were able to maintain an adequate blood concentration of CNI by decreasing the dosage from one-half to one-quarter. All mycobacterial infections were controlled with treatment. In 1 patient with chronic obstructive pulmonary disease (COPD) infected with TB in the native lung, the forced expiratory volume in 1 second (FEV1) unexpectedly increased from 1890 mL before infection to 2320 mL possibly due to organization of the native lung. CONCLUSIONS We were able to manage the mycobacterial infections using drugs other than RFP without any cases of acute rejection under adequate immunosuppression. Organization of the native lung with TB infection unexpectedly resulted in improvement of FEV1 in a COPD patient.
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Affiliation(s)
- H Suzuki
- Department of Thoracic Surgery Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - Y Matsuda
- Department of Thoracic Surgery Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan.
| | - M Noda
- Department of Thoracic Surgery Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - H Oishi
- Department of Thoracic Surgery Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - T Watanabe
- Department of Thoracic Surgery Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - T Sado
- Department of Thoracic Surgery Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - M Yamada
- Department of Respiratory Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - T Tamada
- Department of Respiratory Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Y Okada
- Department of Thoracic Surgery Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
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Oishi H, Sakurada A, Hoshi F, Eba S, Matsuda Y, Sado T, Noda M, Okada Y. P1.05-12 18F-FDG PET/CT Findings May Predict Postoperative Acute Exacerbation of Interstitial Pneumonia in Lung Cancer Patients. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.764] [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: 10/28/2022]
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Hayasaka K, Shiono S, Matsumura Y, Suzuki H, Yanagawa N, Abe J, Sagawa M, Sakurada A, Katahira M, Takahashi S, Endoh M, Okada Y. P3.16-03 Uncommon EGFR Mutations as a Worse Prognostic Factor for Surgically Resected Lung Adenocarcinoma. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Maekawa T, Osawa Y, Izumi T, Nagao S, Takano K, Okada Y, Tachi N, Teramoto M, Kawamura T, Horiuchi T, Saga R, Kato S, Yamamura T, Watanabe J, Kobayashi A, Kobayashi S, Sato K, Hashimoto M, Suzu S, Kimura F. Correction: Myeloproliferative leukemia protein activation directly induces fibrocyte differentiation to cause myelofibrosis. Leukemia 2018; 32:2729-2730. [PMID: 30232464 DOI: 10.1038/s41375-018-0237-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Owing to the insufficient specificity of the anti-myeloproliferative leukemia protein (MPL) antibody in the original version of this Article, Figure 6 and parts of Figures 2a, 4e, and 5a do not represent the correct information. The corrected version of Figure 6 is in this correction and those of Figures 2a, 4e, and 5a are shown in the supplemental information.
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Affiliation(s)
- T Maekawa
- Division of Hematology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan.
| | - Y Osawa
- Division of Hematology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan
| | - T Izumi
- Division of Hematology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan
| | - S Nagao
- Division of Hematology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan
| | - K Takano
- Division of Hematology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan
| | - Y Okada
- Division of Hematology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan
| | - N Tachi
- Division of Hematology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan
| | - M Teramoto
- Division of Hematology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan
| | - T Kawamura
- Division of Hematology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan
| | - T Horiuchi
- Division of Hematology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan
| | - R Saga
- Division of Hematology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan
| | - S Kato
- Division of Hematology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan
| | - T Yamamura
- Division of Hematology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan
| | - J Watanabe
- Division of Hematology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan
| | - A Kobayashi
- Division of Hematology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan
| | - S Kobayashi
- Division of Hematology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan
| | - K Sato
- Division of Hematology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan
| | - M Hashimoto
- Suzu Project Laboratory, Center for AIDS Research, Kumamoto University, Kumamoto, Japan
| | - S Suzu
- Suzu Project Laboratory, Center for AIDS Research, Kumamoto University, Kumamoto, Japan
| | - F Kimura
- Division of Hematology, Department of Internal Medicine, National Defense Medical College, Tokorozawa, Japan
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Hayashi T, Matsumoto S, Hosokawa A, Yamamoto K, Nomura A, Woo E, Imano H, Kato R, Ijiri Y, Yamaguchi T, Izumi Y, Yoshiyama M, Okada Y, Asahi M. P2501Rivaroxaban combined with spironolactone attenuates cardiovascular remodeling due to hypoxia in pulmonary arterial hypertension. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p2501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [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: 11/12/2022] Open
Affiliation(s)
- T Hayashi
- Osaka University of Pharmaceutical Sciences, Takatsuki, Japan
| | - S Matsumoto
- Osaka University of Pharmaceutical Sciences, Takatsuki, Japan
| | - A Hosokawa
- Osaka University of Pharmaceutical Sciences, Takatsuki, Japan
| | - K Yamamoto
- Osaka University of Pharmaceutical Sciences, Takatsuki, Japan
| | - A Nomura
- Osaka University of Pharmaceutical Sciences, Takatsuki, Japan
| | - E Woo
- Osaka Medical College, Takatsuki, Japan
| | - H Imano
- Osaka University of Pharmaceutical Sciences, Takatsuki, Japan
| | - R Kato
- Osaka University of Pharmaceutical Sciences, Takatsuki, Japan
| | - Y Ijiri
- Osaka University of Pharmaceutical Sciences, Takatsuki, Japan
| | | | - Y Izumi
- Osaka City University, Osaka, Japan
| | | | - Y Okada
- Osaka Medical College, Takatsuki, Japan
| | - M Asahi
- Osaka Medical College, Takatsuki, Japan
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Kono K, Okada Y, Onimaru H, Yokota S, Arima Y, Fukushi I, Koizumi K, Hasebe Y, Yoshizawa M, Kise H, Hoshiai M, Sugita K, Toda T. P1859Functional and anatomical connectivity from the dorsomedial hypothalamus to the ventral medullary cardiovascular regions: possible neural substrate mediating stress-induced sympathoexcitation. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p1859] [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: 11/12/2022] Open
Affiliation(s)
- K Kono
- University of Yamanashi, Pediatrics, Yamanashi, Japan
| | - Y Okada
- National Hospital Organization Murayama Medical Center, Clinical Research Center, Tokyo, Japan
| | - H Onimaru
- Showa University, Department of Physiology, Tokyo, Japan
| | - S Yokota
- Shimane University School of Medicine, Department of Anatomy and Morphological Neuroscience, Shimane, Japan
| | - Y Arima
- Shimane University School of Medicine, Department of Anatomy and Morphological Neuroscience, Shimane, Japan
| | - I Fukushi
- National Hospital Organization Murayama Medical Center, Clinical Research Center, Tokyo, Japan
| | - K Koizumi
- University of Yamanashi, Pediatrics, Yamanashi, Japan
| | - Y Hasebe
- University of Yamanashi, Pediatrics, Yamanashi, Japan
| | - M Yoshizawa
- University of Yamanashi, Pediatrics, Yamanashi, Japan
| | - H Kise
- University of Yamanashi, Pediatrics, Yamanashi, Japan
| | - M Hoshiai
- University of Yamanashi, Pediatrics, Yamanashi, Japan
| | - K Sugita
- University of Yamanashi, Pediatrics, Yamanashi, Japan
| | - T Toda
- University of Yamanashi, Pediatrics, Yamanashi, Japan
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Hasebe Y, Yokota S, Takeda K, Sugama S, Kono Y, Koizumi K, Fukushi I, Hoshiai M, Kakinuma Y, Pokorski M, Horiuchi J, Sugita K, Okada Y. P4780Activation of astrocytes is requred for the persistence of post-stress blood pressure elevation. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p4780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Y Hasebe
- University of Yamanashi, Department of Pediatrics, Graduate School of Medicine, Yamanashi, Japan
| | - S Yokota
- Shimane University, Anatomy and Morphological Neuroscience, Izumo, Japan
| | - K Takeda
- Fujita Health University, Faculty of Rehabilitation, School of Health Sciences, Mie, Japan
| | - S Sugama
- Nippon Medical School, Department of Physiology, Tokyo, Japan
| | - Y Kono
- University of Yamanashi, Department of Pediatrics, Graduate School of Medicine, Yamanashi, Japan
| | - K Koizumi
- University of Yamanashi, Department of Pediatrics, Graduate School of Medicine, Yamanashi, Japan
| | - I Fukushi
- National Hospital Organization Murayama Medical Center, Clinical Research Center, Musashimurayama, Tokyo, Japan
| | - M Hoshiai
- University of Yamanashi, Department of Pediatrics, Graduate School of Medicine, Yamanashi, Japan
| | - Y Kakinuma
- Nippon Medical School, Department of Physiology, Tokyo, Japan
| | - M Pokorski
- Opole Medical School, Faculty of Physiotherapy, Opole, Poland
| | - J Horiuchi
- Toyo University, Department of Biomedical Engineering, Graduate School of Science & Engineering, Saitama, Japan
| | - K Sugita
- University of Yamanashi, Department of Pediatrics, Graduate School of Medicine, Yamanashi, Japan
| | - Y Okada
- National Hospital Organization Murayama Medical Center, Clinical Research Center, Musashimurayama, Tokyo, Japan
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Nagamatsu Y, Okamoto U, Tsuda Y, Okada Y. Human Leukocyte Elastase-Like Proteinase Purified by Affinity Chromatography with Suc-L-Tyr-D-Leu-D-Val-pNA, and Its Identification with Human Spleen Fibrinolytic Proteinase. Thromb Haemost 2018. [DOI: 10.1055/s-0038-1661068] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
SummaryElastase-like proteinase (ELP) extracted with 2 M NaClO4 from human leukocytes was purified by a new affinity chromatography technique with Suc-L-Tyr-D-Leu-D-Val-pNA, following delipidation, salting out and Sephadex gel chromatography. The purified preparation contained practically no chymotrypsin-like proteinase activity, and it was homogeneous on SDS polyacrylamide gel electrophoresis. The enzyme so purified readily degraded fibrin, fibrinogen, elastin and -Val type synthetic peptide substrates, such as Suc-L-Ala-L-Tyr-L-Leu-L-Val-pNA and Suc-L-Tyr-L-Leu-L-Val-pNA. A special increase in ELP activity by adding chaotropic ions was observed. The enzymatic properties of the ELP were very similar to those of spleen fibrinolytic proteinase (SFP). ELP and SFP were identified immunologically using mice antisera against purified ELP.
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Affiliation(s)
- Y Nagamatsu
- The Department of Physiology, Faculty of Nutrition, University of Kobe-Gakuin, Kobe, Japan
| | - U Okamoto
- The Department of Physiology, Faculty of Nutrition, University of Kobe-Gakuin, Kobe, Japan
| | - Y Tsuda
- The Department of Medical Chemistry, Faculty of Pharmaceutical Sciences, University of Kobe-Gakuin, Kobe, Japan
| | - Y Okada
- The Department of Medical Chemistry, Faculty of Pharmaceutical Sciences, University of Kobe-Gakuin, Kobe, Japan
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Kino T, Obata S, Osanai N, Hashimoto A, Okada Y, Aoki S, Miyagi E. Labor may mask a symptom of the rupture of ovarian endometrial cyst: a case report. Clin Case Rep 2018; 6:1128-1131. [PMID: 29881581 PMCID: PMC5986002 DOI: 10.1002/ccr3.1554] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [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: 11/30/2017] [Revised: 03/13/2018] [Accepted: 04/02/2018] [Indexed: 11/30/2022] Open
Abstract
As labor may mask a symptom of the rupture of ovarian cyst and delivery is a risk factor of its rupture, the possibility of rupture of ovarian cyst should always be considered during delivery.
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Affiliation(s)
- Tamina Kino
- Perinatal Center for Maternity and NeonatesYokohama City University Medical CenterYokohamaJapan
| | - Soichiro Obata
- Perinatal Center for Maternity and NeonatesYokohama City University Medical CenterYokohamaJapan
| | - Nana Osanai
- Perinatal Center for Maternity and NeonatesYokohama City University Medical CenterYokohamaJapan
| | - Ayasa Hashimoto
- GynecologyYokohama City University Medical CenterYokohamaJapan
| | - Yukiko Okada
- GynecologyYokohama City University Medical CenterYokohamaJapan
| | - Shigeru Aoki
- Perinatal Center for Maternity and NeonatesYokohama City University Medical CenterYokohamaJapan
| | - Etsuko Miyagi
- Department of Obstetrics and GynecologyYokohama City University HospitalYokohamaJapan
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Takeshima T, Takahashi T, Yamashita J, Okada Y, Watanabe S. A multi-emitter fitting algorithm for potential live cell super-resolution imaging over a wide range of molecular densities. J Microsc 2018; 271:266-281. [PMID: 29797718 DOI: 10.1111/jmi.12714] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 04/25/2018] [Accepted: 04/27/2018] [Indexed: 01/13/2023]
Abstract
Multi-emitter fitting algorithms have been developed to improve the temporal resolution of single-molecule switching nanoscopy, but the molecular density range they can analyse is narrow and the computation required is intensive, significantly limiting their practical application. Here, we propose a computationally fast method, wedged template matching (WTM), an algorithm that uses a template matching technique to localise molecules at any overlapping molecular density from sparse to ultrahigh density with subdiffraction resolution. WTM achieves the localization of overlapping molecules at densities up to 600 molecules μm-2 with a high detection sensitivity and fast computational speed. WTM also shows localization precision comparable with that of DAOSTORM (an algorithm for high-density super-resolution microscopy), at densities up to 20 molecules μm-2 , and better than DAOSTORM at higher molecular densities. The application of WTM to a high-density biological sample image demonstrated that it resolved protein dynamics from live cell images with subdiffraction resolution and a temporal resolution of several hundred milliseconds or less through a significant reduction in the number of camera images required for a high-density reconstruction. WTM algorithm is a computationally fast, multi-emitter fitting algorithm that can analyse over a wide range of molecular densities. The algorithm is available through the website. https://doi.org/10.17632/bf3z6xpn5j.1.
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Affiliation(s)
- T Takeshima
- System Division, Hamamatsu Photonics K.K., Hamamatsu City, Japan
| | - T Takahashi
- System Division, Hamamatsu Photonics K.K., Hamamatsu City, Japan
| | - J Yamashita
- System Division, Hamamatsu Photonics K.K., Hamamatsu City, Japan
| | - Y Okada
- RIKEN Center for Biosystems Dynamics Research, Suita, Osaka, Japan.,Department of Physics, Universal Biology Institute and International Research Center for Neurointelligence, University of Tokyo, Tokyo, Japan
| | - S Watanabe
- System Division, Hamamatsu Photonics K.K., Hamamatsu City, Japan
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Yoshida H, Nagaoka A, Komiya A, Aoki M, Nakamura S, Morikawa T, Ohtsuki R, Sayo T, Okada Y, Takahashi Y. Reduction of hyaluronan and increased expression of HYBID (alias CEMIP and KIAA1199) correlate with clinical symptoms in photoaged skin. Br J Dermatol 2018; 179:136-144. [PMID: 29330857 DOI: 10.1111/bjd.16335] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/14/2017] [Indexed: 01/16/2023]
Abstract
BACKGROUND Hyaluronan (HA) metabolism in skin fibroblasts is mediated by HYBID (hyaluronan binding protein involved in hyaluronan depolymerization, alias CEMIP and KIAA1199) and the HA synthases HAS1 and HAS2. However, photoageing-dependent changes in HA and their molecular mechanisms, and the relationship between HA metabolism and clinical symptoms in photoaged skin remain elusive. OBJECTIVES We examined the amount, size and tissue distribution of HA and expression levels of HYBID, HAS1 and HAS2 in photoaged skin, and analysed their relationship with the degree of photoageing. METHODS Photoageing-dependent changes of HA were investigated by studying skin biopsies isolated from photoprotected and photoexposed areas of the same donors, and the relationships between HA and photoageing symptoms such as skin wrinkling and sagging were examined. RESULTS Skin biopsy specimens showed that the amount and size of HA are decreased in photoexposed skin compared with photoprotected skin, and this was accompanied by increased expression of HYBID and decreased expression of HAS1 and HAS2. Histologically, HA staining in the papillary dermis was decreased in photoexposed skin, showing reverse correlation with HYBID expression. HYBID expression in the photoexposed skin directly correlated with skin roughness and sagging parameters, and the reduced HA staining in the papillary dermis in the photoexposed skin positively correlated with these symptoms. CONCLUSIONS These data demonstrate that imbalance between HYBID-mediated HA degradation and HAS-mediated HA synthesis may contribute to enhanced HA catabolism in photoaged skin, and suggest that HYBID-mediated HA reduction in the papillary dermis is related to skin wrinkling and sagging of photoaged skin.
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Affiliation(s)
- H Yoshida
- Biological Science Research, Kao Corporation, 3-28, 5-chome, Kotobuki-cho, Odawara-shi, Kanagawa, 250-0002, Japan
| | - A Nagaoka
- Safety Science Research, Kao Corporation, 3-28, 5-chome, Kotobuki-cho, Odawara-shi, Kanagawa, 250-0002, Japan
| | - A Komiya
- Biological Science Research, Kao Corporation, 3-28, 5-chome, Kotobuki-cho, Odawara-shi, Kanagawa, 250-0002, Japan
| | - M Aoki
- Biological Science Research, Kao Corporation, 3-28, 5-chome, Kotobuki-cho, Odawara-shi, Kanagawa, 250-0002, Japan
| | - S Nakamura
- Biological Science Research, Kao Corporation, 3-28, 5-chome, Kotobuki-cho, Odawara-shi, Kanagawa, 250-0002, Japan
| | - T Morikawa
- Biological Science Research, Kao Corporation, 3-28, 5-chome, Kotobuki-cho, Odawara-shi, Kanagawa, 250-0002, Japan
| | - R Ohtsuki
- Makeup Products Research, Kao Corporation, 3-28, 5-chome, Kotobuki-cho, Odawara-shi, Kanagawa, 250-0002, Japan
| | - T Sayo
- Biological Science Research, Kao Corporation, 3-28, 5-chome, Kotobuki-cho, Odawara-shi, Kanagawa, 250-0002, Japan
| | - Y Okada
- Department of Pathophysiology for Locomotive and Neoplastic Diseases, Juntendo University Graduate School of Medicine, Tokyo, 113-8421, Japan
| | - Y Takahashi
- Biological Science Research, Kao Corporation, 3-28, 5-chome, Kotobuki-cho, Odawara-shi, Kanagawa, 250-0002, Japan
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Suzuki K, Watanabe S, Yuasa Y, Yamashita Y, Arai H, Tanaka H, Kuge T, Mori M, Tsunoda KI, Nohara S, Iwasaki Y, Minai Y, Okada Y, Nagao S. Radiocesium dynamics in the aquatic ecosystem of Lake Onuma on Mt. Akagi following the Fukushima Dai-ichi Nuclear Power Plant accident. Sci Total Environ 2018; 622-623:1153-1164. [PMID: 29890584 DOI: 10.1016/j.scitotenv.2017.12.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 11/27/2017] [Accepted: 12/02/2017] [Indexed: 06/08/2023]
Abstract
Understanding ecosystem dynamics of radionuclides is necessary to ensure effective management for food safety. The Fukushima Dai-ichi Nuclear Power Plant (FDNPP) accident on March 11, 2011 released large amounts of radiocesium (134Cs and 137Cs) and contaminated the environment across eastern Japan. In this study, we aimed to elucidate the temporal dynamics of 137Cs in the aquatic ecosystem of Lake Onuma on Mt. Akagi. The effective ecological half-life (Teff) of 137Cs in fishes, western waterweed (Elodea nuttallii), seston (phytoplankton and zooplankton), and lake water was estimated using survey data of 137Cs concentration collected from 2011 to 2016, and single- and two-component decay function models (SDM and TDM, respectively). The decay processes of 137Cs concentrations in wakasagi (Hypomesus nipponensis), pale chub (Zacco platypus), phytoplankton, and total 137Cs concentrations of the water column (WC) in the lake were well suited by the TDMs. The Teff in the fast component of the TDMs in these samples ranged from 0.49 to 0.74years. The Teff in the slow component of the TDMs could converge towards the physical half-life of 137Cs. Nearly five and a half years after the FDNPP accident, we concluded that 137Cs concentrations approached a state of dynamic equilibrium between some aquatic organisms (wakasagi, pale chub, and phytoplankton) and the environment (lake water). However, the decay processes of 137Cs concentrations in Japanese dace (Tribolodon hakonensis), western waterweed, zooplankton, and particulate- and dissolved-forms in the WC were better predicted for the SDM. The total 137Cs concentrations in inflowing river and spring waters were one to two orders of magnitude lower than lake water under normal flow conditions. However, particulate 137Cs contamination level in the river water was high after heavy rains. Overall, 137Cs contamination levels have significantly decreased in Lake Onuma, but monitoring surveys should be continued for further understanding of the reduction processes.
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Affiliation(s)
- Kyuma Suzuki
- Gunma Prefectural Fisheries Experiment Station, Japan.
| | - Shun Watanabe
- Gunma Prefectural Fisheries Experiment Station, Japan
| | - Yumi Yuasa
- Gunma Prefectural Fisheries Experiment Station, Japan
| | | | - Hajime Arai
- Gunma Prefectural Fisheries Experiment Station, Japan
| | - Hideki Tanaka
- Gunma Prefectural Fisheries Experiment Station, Japan
| | | | - Masanobu Mori
- Faculty of Science and Technology, Kochi University, Japan
| | - Kin-Ichi Tsunoda
- Graduate School of Science and Technology, Gunma University, Japan
| | | | - Yuichi Iwasaki
- Research Centre for Life and Environmental Sciences, Toyo University, Japan
| | | | - Yukiko Okada
- Atomic Energy Research Laboratory, Tokyo City University, Japan
| | - Seiya Nagao
- Low Level Radioactivity Laboratory, Kanazawa University, Japan
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Yoshida H, Komiya A, Ohtsuki R, Kusaka-Kikushima A, Sakai S, Kawabata K, Kobayashi M, Nakamura S, Nagaoka A, Sayo T, Okada Y, Takahashi Y. Relationship of hyaluronan and HYBID (KIAA1199) expression with roughness parameters of photoaged skin in Caucasian women. Skin Res Technol 2018. [PMID: 29536579 DOI: 10.1111/srt.12467] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Hyaluronan (HA) is an important constituent of extracellular matrix (ECM) in the skin, and HA degradation mediated by HYBID (KIAA1199) is suggested to be implicated in facial skin wrinkling in Japanese women. Ethnic difference in skin wrinkle formation is known between Caucasian and Japanese women, but no information is available for the relations of HA and HYBID expression levels with skin wrinkling in Caucasian women. METHODS The skin surface roughness at the eye corner of the Caucasian female subjects was measured, and the skin specimens biopsied from the same areas were subjected to microarray gene analysis, HA staining, and immunohistochemistry for HYBID. RESULTS Among the ECM genes and those related to ECM metabolism, only HYBID expression levels positively correlated with the skin roughness parameters. When the skin sample groups with high expression of HYBID or low expression of HYBID were compared, the HA staining intensity and the ratio of HYBID-immunoreactive cells to total cells in the superficial dermis were significantly reduced and increased in the high-HYBID-expression group compared with the low-HYBID-expression group, respectively. CONCLUSION Our data suggest that like Japanese women, HYBID-mediated reduction of HA in the superficial dermis is involved in the formation of wrinkles in Caucasian women.
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Affiliation(s)
- H Yoshida
- Biological Science Research, Kao Corporation, Odawara-shi, Kanagawa, Japan
| | - A Komiya
- Biological Science Research, Kao Corporation, Odawara-shi, Kanagawa, Japan
| | - R Ohtsuki
- Makeup Products Research, Kao Corporation, Odawara-shi, Kanagawa, Japan
| | - A Kusaka-Kikushima
- Biological Science Research, Kao Corporation, Odawara-shi, Kanagawa, Japan
| | - S Sakai
- Health Beauty Products Research, Kao Corporation, Odawara-shi, Kanagawa, Japan
| | - K Kawabata
- Biological Science Research, Kao Corporation, Odawara-shi, Kanagawa, Japan
| | - M Kobayashi
- Biological Science Research, Kao Corporation, Odawara-shi, Kanagawa, Japan
| | - S Nakamura
- Biological Science Research, Kao Corporation, Odawara-shi, Kanagawa, Japan
| | - A Nagaoka
- Safety Science Research, Kao Corporation, Odawara-shi, Kanagawa, Japan
| | - T Sayo
- Biological Science Research, Kao Corporation, Odawara-shi, Kanagawa, Japan
| | - Y Okada
- Department of Pathophysiology for Locomotive and Neoplastic Diseases, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Y Takahashi
- Biological Science Research, Kao Corporation, Odawara-shi, Kanagawa, Japan
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Abstract
AbstractQuestionnaire surveys were sent to hospital managers, designed to shape the policy for future hospital information systems in Japan. The answers show that many hospitals use dedicated management systems, especially for patient registration and accounting, and personnel, food control, pharmacy and financial departments. In many hospitals, order-entry systems for laboratory tests and prescriptions are well developed. Half of the hospitals have patient databases used for inquiries of basic patient information, history of outpatient care and hospital care. The most obvious benefit is the reduction of office work, due to effective hospital information system. Many hospital managers want to use the following sub systems in the future for automatic payment, waiting time display, patient records search, automatic prescription verification, drug side-effect monitoring, and graphical display of patient record data.
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Kashiwagi T, Okada Y, Nomoto K. Palivizumab Prophylaxis Against Respiratory Syncytial Virus Infection in Children with Immunocompromised Conditions or Down Syndrome: A Multicenter, Post-Marketing Surveillance in Japan. Paediatr Drugs 2018; 20:97-104. [PMID: 28895096 PMCID: PMC5775975 DOI: 10.1007/s40272-017-0264-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
OBJECTIVE The aim of this study was to assess the safety and effectiveness of palivizumab for the prevention of lower respiratory tract infection (LRI) caused by respiratory syncytial virus (RSV) in children with immunocompromised conditions or Down syndrome. METHODS In this multicenter, post-marketing surveillance study (December 2013 to December 2015), children aged ≤24 months with immunocompromised conditions or Down syndrome (without hemodynamically significant congenital heart disease) receiving palivizumab immunoprophylaxis during two RSV seasons were observed until 30 days after the final palivizumab injection. Safety [adverse events (AEs), serious AEs (SAEs), adverse drug reactions (ADRs), serious ADRs (SADRs)] and effectiveness (frequency, incidence, and duration of hospitalization due to RSV infections) were assessed. RESULTS Of 304 patients receiving palivizumab, 167 (54.9%) had immunocompromised conditions, and 138 (45.4%) had Down syndrome; 260 (85.5%) completed palivizumab immunoprophylaxis. The annual mean (±standard deviation) number of doses was 5.3 (±2.4) per season. Overall, 220 AEs occurred in 99 patients (32.6%), including 89 SAEs in 53 patients (17.4%). Of these, 33 AEs in 25 patients (8.22%) were considered ADRs, and 13 ADRs in 11 patients (3.62%) were considered SADRs. In four patients, five SADRs (nephroblastoma and asthma in the same patient, septic shock, device-related infection, and drug-induced liver injury) were previously unreported; however, none were considered drug-related. During the observation period, five RSV infections occurred and two patients required hospitalization. CONCLUSION Palivizumab was generally safe and effective for the prevention of LRI caused by RSV in newborns, infants, and children with immunocompromised conditions or Down syndrome up to the age of 24 months.
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Affiliation(s)
| | - Yukiko Okada
- AbbVie GK, Mita 3-5-27, Minato-ku, Tokyo, 108-6302, Japan
| | - Ken Nomoto
- AbbVie GK, Mita 3-5-27, Minato-ku, Tokyo, 108-6302, Japan.
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Nishida T, Hayashi T, Inamoto T, Kato R, Ibuki N, Takahara K, Takai T, Yoshikawa Y, Uchimoto T, Saito K, Tanda N, Kouno J, Minami K, Uehara H, Hirano H, Nomi H, Okada Y, Azuma H. Dual Gas Treatment With Hydrogen and Carbon Monoxide Attenuates Oxidative Stress and Protects From Renal Ischemia-Reperfusion Injury. Transplant Proc 2018; 50:250-258. [DOI: 10.1016/j.transproceed.2017.12.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2017] [Revised: 10/26/2017] [Accepted: 12/05/2017] [Indexed: 01/14/2023]
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Kashiwagi T, Okada Y, Nomoto K. Correction to: Palivizumab Prophylaxis Against Respiratory Syncytial Virus Infection in Children with Immunocompromised Conditions or Down Syndrome: A Multicenter, Post-Marketing Surveillance in Japan. Paediatr Drugs 2018; 20:291. [PMID: 29637469 PMCID: PMC6830058 DOI: 10.1007/s40272-018-0291-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
"Newborns, infants, or young children aged 24 months and under who have Down syndrome, and children ≤ 24 months of age without a current hs-CHD if they had experienced persistent respiratory symptoms or regular outpatient treatment due to a respiratory tract infection in previous RSV seasons were also eligible for the study."
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Affiliation(s)
| | - Yukiko Okada
- AbbVie GK, Mita 3-5-27, Minato-ku, Tokyo, 108-6302 Japan
| | - Ken Nomoto
- AbbVie GK, Mita 3-5-27, Minato-ku, Tokyo, 108-6302, Japan.
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Okada Y, Ito YM, Tani Y, Sasaki Y, Saito J, Haseda M, Kondo N, Kondo K, Tamakoshi A, Ukawa S. Social participation patterns and the incidence of functional disability: The JAGES. Eur J Public Health 2017. [DOI: 10.1093/eurpub/ckx189.059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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] Open
Affiliation(s)
- Y Okada
- Hokkaido University School of Medicine, Sapporo, Japan
| | - YM Ito
- Hokkaido University School of Medicine, Sapporo, Japan
| | - Y Tani
- Tokyo Medical and Dental University, Bunkyo-ku, Japan
| | - Y Sasaki
- Center for Preventive Medical Sciences, Chiba University, Chiba, Japan
| | - J Saito
- School of Public Health, The University of Tokyo, Bunkyo-ku, Japan
| | - M Haseda
- School of Public Health, The University of Tokyo, Bunkyo-ku, Japan
| | - N Kondo
- School of Public Health, The University of Tokyo, Bunkyo-ku, Japan
| | - K Kondo
- Center for Preventive Medical Sciences, Chiba University, Chiba, Japan
| | - A Tamakoshi
- Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - S Ukawa
- Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
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Okada Y, Ochi H, Fujii C, Hashi Y, Hamatani M, Ashida S, Kawamura K, Kusaka H, Nakagawa M, Mizuno T, Takahashi R, Kondo T. Dual engagement of TLR4 and CD40 on B cells as a key feature of recovery from relapse. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Saeki S, Tanabe N, Taguchi S, Nakagawa M, Ooiwa H, Yuasa T, Yasumoto A, Nakasima K, Nagatomi C, Andou H, Higa T, Fujikake A, Fukuoka T, Tokui K, Okada Y, Niwa J, Nakao N, Izumi M, Douyuu M. The cerebral blood flow dynamism depending on antiparkinson drug. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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46
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Nakamura A, Yasaka M, Ueki K, Kuwashiro T, Gotoh S, Tomoda M, Nakanishi Y, Okada Y. Topographic relationship between intracerebral hemorrhage and previously detected cerebral microbleeds. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.1775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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47
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Ando H, Niwa J, Ooiwa H, Nakagawa M, Nagatomi C, Saeki S, Yasumoto A, Yuasa T, Taguchi S, Higa T, Fjikake A, Fukuoka T, Tokui K, Okada Y, Masayuki I, Nakao N, Doyu M, Matsuo N, Sigeru M, Takayasu M. Investigation of intravenous recombinant tissue plasminogen activator(rt-PA) therapy and endovascular therapy at Aichi Medical University Hospital. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3326] [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: 11/15/2022]
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48
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Taguchi S, Tanabe N, Saeki S, Yuasa T, Ooiwa H, Nakagawa M, Nagatomi C, Nakashima K, Yasumoto A, Ando H, Higa T, Tsunoda Y, Fujikake A, Fukuoka T, Tokui K, Okada Y, Niwa J, Izumi M, Nakao N, Doyu M. Spect findings in Parkinsonian patients: A clinical indicator of antiparkinsonian drug efficacy. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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49
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Higa T, Nakashima K, Ohiwa H, Ito C, Nakagawa M, Saeki S, Yuasa T, Yasumoto A, Ando H, Taguchi S, Fujikake A, Fukuoka T, Tokui K, Okada Y, Niwa J, Izumi M, Nakao N, Doyu M. The relationship of autonomic function with severity and clinical outcome in stroke patients ₋ analysis of light reaction by electronic pupillometer. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3656] [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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50
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Uenaka T, Satake W, Cha P, Kobayashi K, Kanagawa M, Hayakawa H, Baba K, Okada Y, Mochizuki H, Toda T. In silico drug screening identified a novel disease-modifying drug for Parkinson’s disease. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.2951] [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: 11/16/2022]
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