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Aoki S, Yamagishi K, Maruyama K, Ikeda A, Nagao M, Noda H, Umesawa M, Hayama-Terada M, Muraki I, Okada C, Tanaka M, Kishida R, Kihara T, Takada M, Shimizu Y, Ohira T, Imano H, Sankai T, Okada T, Tanigawa T, Kitamura A, Kiyama M, Iso H. Mushroom intake and risk of incident disabling dementia: the Circulatory Risk in Communities Study (CIRCS). Br J Nutr 2024; 131:1641-1647. [PMID: 38239014 DOI: 10.1017/s000711452400014x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/13/2024]
Abstract
It is uncertain whether dietary intake of mushrooms rich in dietary fibre and several antioxidants is associated with a lower risk of dementia. We sought to examine prospectively the association between mushroom intake and the risk of disabling dementia. We performed a prospective study involving 3750 people aged 40 to 64 years residing in three communities who participated in an annual cardiovascular risk survey from 1985 to 1999. Cases of incident disabling dementia were surveyed from 1999 to 2020. We calculated the hazard ratios (HR) and 95 % CI for incident total dementia according to mushroom intake among participants with or without a history of stroke. During a mean 16·0 years' follow-up in 3739 eligible participants, 670 people developed disabling dementia. For women, mushroom intake was inversely associated with the risk of total dementia and the association was confined to dementia without a history of stroke. The multivariable HR (95 % CI) for total dementia in women were 0·81 (0·62, 1·06) for mushroom intake of 0·1-14·9 g/d and 0·56 (0·42, 0·75) for mushroom intake above 15·0 g/d (Pfor trend = 0·003) compared with no intake. The corresponding HR (95 % CI) for dementia without a history of stroke were 0·66 (0·47, 0·93) and 0·55 (0·38, 0·79) (Pfor trend = 0·01). In men, no associations were observed between mushroom intake and the risk of disabling dementia. Among Japanese women, dietary mushroom intake was associated with a lower risk of disabling dementia.
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Affiliation(s)
- Shoko Aoki
- Department of Public Health Medicine, Institute of Medicine, and Health Services Research and Development Center, University of Tsukuba, Tsukuba, Japan
- Doctoral Program in Medical Sciences, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Japan
- Ibaraki Western Medical Center, Chikusei, Japan
| | - Kazumasa Yamagishi
- Department of Public Health Medicine, Institute of Medicine, and Health Services Research and Development Center, University of Tsukuba, Tsukuba, Japan
- Ibaraki Western Medical Center, Chikusei, Japan
| | - Kotatsu Maruyama
- Department of Bioscience, Graduate School of Agriculture, Ehime University, Matsuyama, Japan
| | - Ai Ikeda
- Department of Public Health, Juntendo University, Tokyo, Japan
| | - Masanori Nagao
- Department of Epidemiology, Fukushima Medical University School of Medicine, Fukushima, Japan
| | - Hiroyuki Noda
- Public Health, Department of Social Medicine, Osaka University Graduate School of Medicine, Suita, Japan
| | - Mitsumasa Umesawa
- Department of Public Health Medicine, Institute of Medicine, and Health Services Research and Development Center, University of Tsukuba, Tsukuba, Japan
- Dokkyo Medical University, School of Medicine, Mibu, Japan
| | | | - Isao Muraki
- Public Health, Department of Social Medicine, Osaka University Graduate School of Medicine, Suita, Japan
| | - Chika Okada
- Department of Public Health, Kindai University, Osakasayama, Japan
| | - Mari Tanaka
- Department of Public Health, Kindai University, Osakasayama, Japan
| | - Rie Kishida
- Department of Public Health Medicine, Institute of Medicine, and Health Services Research and Development Center, University of Tsukuba, Tsukuba, Japan
- Saw Swee Hock School of Public Health, National University of Singapore, Singapore
| | - Tomomi Kihara
- Department of Public Health Medicine, Institute of Medicine, and Health Services Research and Development Center, University of Tsukuba, Tsukuba, Japan
| | - Midori Takada
- Epidemiology Section, Division of Public Health, Osaka Institute of Public Health, Osaka, Japan
| | - Yuji Shimizu
- Epidemiology Section, Division of Public Health, Osaka Institute of Public Health, Osaka, Japan
| | - Tetsuya Ohira
- Department of Epidemiology, Fukushima Medical University School of Medicine, Fukushima, Japan
| | - Hironori Imano
- Department of Public Health, Kindai University, Osakasayama, Japan
| | - Tomoko Sankai
- Department of Public Health and Nursing, Institute of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Takeo Okada
- Osaka Center for Cancer and Cardiovascular Disease Prevention, Osaka, Japan
| | | | | | - Masahiko Kiyama
- Osaka Center for Cancer and Cardiovascular Disease Prevention, Osaka, Japan
| | - Hiroyasu Iso
- Department of Public Health Medicine, Institute of Medicine, and Health Services Research and Development Center, University of Tsukuba, Tsukuba, Japan
- Institute for Global Health Policy Research, Bureau of International Health Cooperation, National Center for Global Health and Medicine, Tokyo, Japan
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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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Ryder M, Sabarai A, Saccà C, Sachson R, Sadler E, Safiee NS, Sahani M, Saillant A, Saini J, Saito C, Saito S, Sakaguchi K, Sakai M, Salim H, Salviani C, Sammons E, Sampson A, Samson F, Sandercock P, Sanguila S, Santorelli G, Santoro D, Sarabu N, Saram T, Sardell R, Sasajima H, Sasaki T, Satko S, Sato A, Sato D, Sato H, Sato H, Sato J, Sato T, Sato Y, Satoh M, Sawada K, Schanz M, Scheidemantel F, Schemmelmann M, Schettler E, Schettler V, Schlieper GR, Schmidt C, Schmidt G, Schmidt U, Schmidt-Gurtler H, Schmude M, Schneider A, Schneider I, Schneider-Danwitz C, Schomig M, Schramm T, Schreiber A, Schricker S, Schroppel B, Schulte-Kemna L, Schulz E, Schumacher B, Schuster A, Schwab A, Scolari F, Scott A, Seeger W, Seeger W, Segal M, Seifert L, Seifert M, Sekiya M, Sellars R, Seman MR, Shah S, Shah S, Shainberg L, Shanmuganathan M, Shao F, Sharma K, Sharpe C, Sheikh-Ali M, Sheldon J, Shenton C, Shepherd A, Shepperd M, Sheridan R, Sheriff Z, Shibata Y, Shigehara T, Shikata K, Shimamura K, Shimano H, Shimizu Y, Shimoda H, Shin K, Shivashankar G, Shojima N, Silva R, Sim CSB, Simmons K, Sinha S, Sitter T, Sivanandam S, Skipper M, Sloan K, Sloan L, Smith R, Smyth J, Sobande T, Sobata M, Somalanka S, Song X, Sonntag F, Sood B, Sor SY, Soufer J, Sparks H, Spatoliatore G, Spinola T, Squyres S, Srivastava A, Stanfield J, Staplin N, Staylor K, Steele A, Steen O, Steffl D, Stegbauer J, Stellbrink C, Stellbrink E, Stevens W, Stevenson A, Stewart-Ray V, Stickley J, Stoffler D, Stratmann B, Streitenberger S, Strutz F, Stubbs J, Stumpf J, Suazo N, Suchinda P, Suckling R, Sudin A, Sugamori K, Sugawara H, Sugawara K, Sugimoto D, Sugiyama H, Sugiyama H, Sugiyama T, Sullivan M, Sumi M, Suresh N, Sutton D, Suzuki H, Suzuki R, Suzuki Y, Suzuki Y, Suzuki Y, Swanson E, Swift P, Syed S, Szerlip H, Taal M, Taddeo M, Tailor C, Tajima K, Takagi M, Takahashi K, Takahashi K, Takahashi M, Takahashi T, Takahira E, Takai T, Takaoka M, Takeoka J, Takesada A, Takezawa M, Talbot M, Taliercio J, Talsania 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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Inui M, Hosokawa S, Tsutsui S, Nakajima Y, Matsuda K, Maruyama K, Baron AQR. Collective excitations in a melt of fast phase change material GeCu 2Te 3. J Phys Condens Matter 2023; 35:234002. [PMID: 36893472 DOI: 10.1088/1361-648x/acc2ff] [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] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 03/09/2023] [Indexed: 06/18/2023]
Abstract
Inelastic x-ray scattering measurements have been carried out to investigate atomic dynamics in a melt of fast phase change material GeCu2Te3. The dynamic structure factor was analysed using the model function with three damped harmonic oscillator components. By investigating the correlation between the excitation energy and the linewidth, and that between the excitation energy and the intensity on contour maps of a relative approximate probability distribution function proportional toexp(-χ2/N), we could judge the reliability of each inelastic excitation in the dynamic structure factor. The results indicate that there are two inelastic excitation modes besides the longitudinal acoustic one in the liquid. The lower energy excitation could be assigned to the transverse acoustic one whereas the higher energy one disperses like fast sound. The latter result may imply that the liquid ternary alloy exhibits a microscopic phase separation tendency.
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Affiliation(s)
- M Inui
- Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8521, Japan
| | - S Hosokawa
- Institute of Industrial Nanomaterials, Kumamoto University, Kumamoto 860-8555, Japan
| | - S Tsutsui
- Japan Synchrotron Radiation Research Institute (JASRI), Sayo-cho, Hyogo 679-5198, Japan
| | - Y Nakajima
- Department of Physics, Kumamoto University, Kumamoto 860-8555, Japan
| | - K Matsuda
- Department of Physics, Kumamoto University, Kumamoto 860-8555, Japan
| | - K Maruyama
- Faculty of Science, Niigata University, Niigata 950-2181, Japan
| | - A Q R Baron
- Japan Synchrotron Radiation Research Institute (JASRI), Sayo-cho, Hyogo 679-5198, Japan
- Materials Dynamics Laboratory, RIKEN SPring-8 Center, Sayo-cho, Hyogo 679-5148, Japan
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Kondo H, Maejima H, Maruyama K, Fujita M, Ohki T. First Report of Chinese Wheat Mosaic Virus that Infects Barley in Japan. Plant Dis 2022; 106:PDIS12212803PDN. [PMID: 35084947 DOI: 10.1094/pdis-12-21-2803-pdn] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Affiliation(s)
- H Kondo
- Institute of Plant Science and Resources (IPSR), Okayama University, Kurashiki, 710-0046, Japan
| | - H Maejima
- Nagano Prefecture Agricultural Experiment Station, Suzaka, Nagano, 382-0051, Japan
| | - K Maruyama
- Institute of Plant Science and Resources (IPSR), Okayama University, Kurashiki, 710-0046, Japan
| | - M Fujita
- Institute of Plant Science and Resources (IPSR), Okayama University, Kurashiki, 710-0046, Japan
| | - T Ohki
- NARO Hokkaido Agricultural Research Center, Sapporo, Hokkaido, 062-8555, Japan
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Yamane N, Ikeda A, Tomooka K, Saito I, Maruyama K, Eguchi E, Suyama K, Fujii A, Shiba T, Tanaka K, Kooka A, Nakamura S, Kajita M, Kawamura R, Takata Y, Osawa H, Steptoe A, Tanigawa T. Salivary Alpha-Amylase Activity and Mild Cognitive Impairment among Japanese Older Adults: The Toon Health Study. J Prev Alzheimers Dis 2022; 9:752-757. [PMID: 36281680 DOI: 10.14283/jpad.2022.51] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
BACKGROUND There is growing interest in examining objective markers for early identification and behavioral intervention to prevent dementia and mild cognitive impairment in clinical and community settings. OBJECTIVE To investigate the association between salivary alpha-amylase as an objective measure of psychological stress response and mild cognitive impairment for the implication of psychological stress in the development of mild cognitive impairment. DESIGN, SETTING, AND PARTICIPANTS This cross-sectional study involved 865 participants aged ≥ 65 years. A saliva sample was collected in the morning, and the levels of salivary alpha-amylase were assayed. Mild cognitive impairment was evaluated using the Japanese version of the Montreal Cognitive Assessment; a score < 26 was indicative of mild cognitive impairment. A multivariable logistic regression model was used to examine the association of salivary alpha-amylase and mild cognitive impairment after adjusting for age, sex, current drinking status, current smoking status, body mass index, hypertension, diabetes mellitus, physical activity, education, social support, social network, and heart rate variability. RESULTS Salivary alpha-amylase was associated with mild cognitive impairment (the multivariable-adjusted odds ratio [95% confidence interval] for the 1-standard deviation increment of log-transformed salivary alpha-amylase was 1.24 [1.07-1.44]). This significant association persisted after adjusting for various confounding factors. CONCLUSION Elevation of salivary alpha-amylase was associated with mild cognitive impairment among Japanese community-dwelling older adults. This suggests that salivary alpha-amylase is a useful objective marker of psychological stress responses associated with mild cognitive impairment.
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Affiliation(s)
- N Yamane
- Takeshi Tanigawa, MD, PhD, Department of Public Health, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan. Phone: +81 (3) 5802-1049 Fax: +81 (3) 3814-0305,
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Nakajima K, Nakata T, Doi T, Tada H, Saito S, Maruyama K. Creation of mortality risk calculator using a I-123 mIBG-based machine learning model: differential prediction of arrhythmic death and heart-failure death. Eur Heart J Cardiovasc Imaging 2021. [DOI: 10.1093/ehjci/jeab111.055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Background
Although I-123 meta-iodobenzylguanidine (mIBG) has been applied to patients with chronic heart failure (CHF), a diagnostic tool for differential prediction of fatal arrhythmic events (ArE) and heart-failure death (HFD) has been pursued.
Purpose
The aim of this study was to create a calculator of mortality risk for differentiating mode of cardiac death using a machine learning (ML) method, and to test the accuracy in a new cohort of patients with CHF.
Methods
A total of 529 patients with CHF was used as the training database for ML. The ArE group consisted of patients with arrhythmic death, sudden cardiac death and appropriate therapy by implantable cardioverter defibrillator. A heart-to-mediastinum ratio (H/M) standardized to the medium-energy collimator condition was calculated with a planar anterior mIBG scintigram. The best classifier models for predicting HFD and ArE were determined by four-fold cross validation. Input variables included age, sex, New York Heart Association (NYHA) functional class, left ventricular ejection fraction, ischemic etiology, mIBG H/M and washout rate, and b-type natriuretic peptide (BNP) or NT Pro BNP, estimated glomerular filtration rate, hemoglobin, and complications such as diabetes and hypertension. After creating the ML-based model, the constructed classifier functions for ArE, HFD, and survival were exported for subsequent use. A new cohort of patients (n = 312, age 67 ± 13 years, 2015 or later) was used to test the ML-based model.
Results
The training database included 141 events (27%) with ArE (7%) and HFD (20%). Receiver-operating characteristic analysis by four-fold validation showed area under the curve value of 0.90 for HFD and 0.73 for ArE. Among various ML methods, the logistic regression method demonstrated the most stable calculation of the probability of ArE followed by random forest and gradient boosted tree methods. Therefore, the logistic-regression method was used for calculating both HFD and ArE probabilities. In the test cohort, patients with a high HFD probability >8% resulted in 6.3-fold higher HFD than those with low probability (≤ 8%). Patients with high ArE probability >8% showed 2.5-fold higher ArE than those with low probability (≤ 8%).
Conclusion
The ML-based mortality risk calculator could be used for stratifying patients at high and low risks, which might be useful for estimating appropriate treatment strategy.
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Affiliation(s)
- K Nakajima
- Kanazawa University Graduate School of Medicine, Kanazawa, Japan
| | - T Nakata
- Hakodate Goryoukaku Hospital, Hakodate, Japan
| | - T Doi
- Teine Keijinkai Hospital, Sapporo, Japan
| | - H Tada
- Kanazawa University Hospital, Kanazawa, Japan
| | - S Saito
- Kanazawa University Hospital, Kanazawa, Japan
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Nakano T, Aoyama H, Onodera S, Matsumo Y, Shimamoto S, Igaki H, Matsuo M, Oya N, Ohta A, Saito H, Maruyama K, Kanemoto A, Sakurai T, Tanaka T, Kitamura N, Akazawa K, Maebayashi K. Reduced-Dose Whole Brain Radiation Therapy Combined With Stereotactic Irradiation For Solitary Or Oligo Brain Metastases Aiming At Minimizing Deterioration Of Neurocognitive Function Without Compromising Intracranial Tumor Control: Preliminary Results. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.2057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Hayasaka T, Takehara N, Horiuchi K, Kano K, Tomita Y, Yoshida Y, Maruyama K, Minoshima A, Kawabe J, Hasebe N. Sarcopenia-derived exosomal micro-RNA 16-5p exerts the cardio-repair disturbance via pro-apoptotic mechanism in myocardial infarction of mice. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.2872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Sarcopenia is a pathophysiological malfunction induced by skeletal muscle atrophy, and several studies reported an association between sarcopenia-induced cardiac cachexia and poor prognosis in heart disease. Since only a few established animal models are recently available, the underlying mechanism of disturbed cardiac repair accompanied with sarcopenia remains poorly understood.
Purpose
We hypothesized that specific microRNAs in sarcopenia-derived exosomes play crucial roles in disturbed cardiac repair with sarcopenia, and these microRNAs directly exacerbate cardiomyocyte injury following cardiac ischemia and reperfusion.
Methods
We developed a novel sarcopenia-induced cardiac repair disturbance mouse model that is induced by tail suspension (TS) 7 days after a 45-min coronary occlusion of cardiac ischemia and reperfusion (I/R). The reduction of the left ventricular ejection fraction (LVEF) after I/R was compared in mice with TS [I/R-TS(+), n=14] and without [I/R-TS(−), n=12] by echocardiography. To investigate the exosomal mechanism of cardiac repair disturbance, a comprehensive analysis of extracted exosomal microRNAs from mice serum was performed in the 2 groups at day 8. Then, we investigated the impact of the identified candidate microRNA in neonatal rat cardiomyocytes (NRVMs). After 4 days in primary culture, candidate microRNA was transfected into NRVMs under hypoxic culture conditions. TUNEL analysis and quantitative PCR analysis of apoptosis-related genes were performed on the NRVMs.
Results
At day 8 after I/R, the LVEF of I/R-TS(+) was not significantly ameliorated compared to that of I/R-TS(−) (ΔLVEF; 1.59±6.92 vs. 8.04±7.71% p=0.034). Four candidate microRNAs obtained from I/R mice serum were identified in the microRNA array analysis. The re-analysis of these candidate micro-RNAs using all I/R mice demonstrated that the level of mir-16-5p in I/R-TS(+) was raised by approximately nine-fold than that in I/R-TS(−) (9.67±13.35 vs. 0.99±1.41, p<0.05). Next, an in vitro experimental model using a microRNA mimic revealed that apoptosis in NRVMs was greatly enhanced by the transfection of a mir-16-5p mimic in hypoxic culture conditions (mir-16-5p vs. control = 5.77±2.84 vs. 1.72±0.55%, p<0.01). Furthermore, by qRT-PCR analysis, the expression of CASP3 and TRP53 were upregulated in NRVMs treated with a mir-16-5p mimic than in control NRVMs.
Conclusion
Myocardial I/R injury in sarcopenia ended in cardiac repair disturbance accompanying with the enhanced expression of exosomal-mir-16-5p. A pro-apoptotic effect of mir-16-5p may exacerbate myocardial I/R injury and thus can be a novel therapeutic target for cardiac repair disturbance in sarcopenia.
Funding Acknowledgement
Type of funding source: Public grant(s) – National budget only. Main funding source(s): Japan Society for the Promotion of Science
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Affiliation(s)
- T Hayasaka
- Asahikawa Medical University, Asahikawa, Japan
| | - N Takehara
- Asahikawa Medical University, Asahikawa, Japan
| | - K Horiuchi
- Asahikawa Medical University, Asahikawa, Japan
| | - K Kano
- Asahikawa Medical University, Asahikawa, Japan
| | - Y Tomita
- Asahikawa Medical University, Asahikawa, Japan
| | - Y Yoshida
- Asahikawa Medical University, Asahikawa, Japan
| | - K Maruyama
- Asahikawa Medical University, Asahikawa, Japan
| | - A Minoshima
- Asahikawa Medical University, Asahikawa, Japan
| | - J Kawabe
- Asahikawa Medical University, Asahikawa, Japan
| | - N Hasebe
- Asahikawa Medical University, Asahikawa, Japan
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Filomeno R, Ikeda A, Maruyama K, Wada H, Tanigawa T. Excessive daytime sleepiness and alcohol consumption among commercial drivers. Occup Med (Lond) 2020; 69:406-411. [PMID: 31263899 DOI: 10.1093/occmed/kqz091] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Commercial drivers suffering from excessive daytime sleepiness (EDS) have been identified as a major cause of road traffic accidents. Alcohol usage directly affects sleep, adversely affecting next-day alertness and performance. AIMS To examine the relationship between alcohol consumption and EDS among commercial truck drivers in Japan and the implications of this on public health. METHODS All participants in this cross-sectional study were commercial motor vehicle drivers from Tokyo and Niigata Prefecture. Participants completed a self-administered questionnaire with details of their age, body mass index, alcohol consumption, Epworth Sleepiness Scale (ESS) score and tobacco usage. Participants' oxygen desaturation index was determined by a pulse oximetry device that participants took home. RESULTS A total of 1422 males registered with the Japan Trucking Association and aged 20-69 years participated. The multivariate-adjusted odds ratio (OR) of EDS among participants aged <43 years was 0.81 (95% confidence interval (CI) 0.47-1.40) for light drinkers, 0.93 (95% CI 0.51-1.70) for moderate drinkers and 0.61 (95% CI 0.21-1.79) for heavy drinkers, compared to non-drinkers. The multivariate-adjusted OR among participants aged ≥43 years was 1.42 (95% CI 0.59-3.45) for light drinkers, 1.53 (95% CI 0.63-3.75) for moderate drinkers and 3.37 (95% CI 1.14-9.96) for heavy drinkers (P for interaction = 0.05). CONCLUSION We found that the association between ESS and alcohol intake was more evident among those aged ≥43 years, who reported higher levels of EDS with increased alcohol consumption.
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Affiliation(s)
- R Filomeno
- Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - A Ikeda
- Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - K Maruyama
- Department of Bioscience, Ehime University Graduate School of Agriculture, Ehime, Japan
| | - H Wada
- Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - T Tanigawa
- Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo, Japan
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Fujii A, Maruyama K, Shiba T, Tanaka K, Kooka A, Nakamura S, Kajita K, Eguchi E, Tomooka K, Tanigawa T, Saito I, Kawamura R, Takata Y, Oosawa H, Suyama K. [The association between alcohol consumption and Mild Cognitive Impairment: the Toon Health Study]. Nihon Ronen Igakkai Zasshi 2020; 57:300-307. [PMID: 32893212 DOI: 10.3143/geriatrics.57.300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
AIM The effects of alcohol consumption on Mild Cognitive Impairment (MCI) among the Japanese population had not been fully examined. Therefore, the objective of this study was to examine the association between alcohol consumption and MCI among the Japanese elderly population. METHODS In total, 421 men and 700 women aged 60-84 years participated in this cross-sectional study. Alcohol consumption was estimated according to frequency and amount of major alcoholic beverages (i.e., beer, Japanese sake, shochu, and wine) consumed by each individual using a self-administered questionnaire. MCI was assessed using the Japanese version of the Montreal Cognitive Assessment. Multivariable odds ratio (OR) and 95% confidence intervals (CIs) of MCI according to alcohol consumption were calculated using logistic models. We further analyzed the associations of the major alcoholic beverages with MCI. RESULTS The prevalence of MCI was 50.4% among the male participants and 31.4% among the females. A positive association between alcohol consumption and MCI was observed in men, but not in women. The multivariable OR (95% CI) of MCI for ≥ 2 go (46 g ethanol) /day vs. non-drinkers was 1.78 (0.93-3.40, p for trend = 0.045) in men and for ≥ 1 go (23 g ethanol) /day was 0.96 (0.39-2.38, p for trend = 0.92) in women, respectively. We also observed an association between shochu consumption and MCI in men, whereby the multivariable OR (95% CI) of MCI for each 1 go increment was 1.57 (1.18-2.07). CONCLUSION Our findings suggest that alcohol consumption in moderation may contribute to the prevention of MCI development in men.
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Affiliation(s)
- Akiko Fujii
- Department of Community Health Systems Nursing, Ehime University Graduate School of Medicine
| | - Kotatsu Maruyama
- Laboratory of Community Health and Nutrition, Special Course of Food and Health Science, Department of Bioscience
| | - Tamami Shiba
- Department of Community Health Systems Nursing, Ehime University Graduate School of Medicine
| | - Kumiko Tanaka
- Department of Community Health Systems Nursing, Ehime University Graduate School of Medicine
| | - Akiko Kooka
- Department of Community Health Systems Nursing, Ehime University Graduate School of Medicine
| | - Satsuki Nakamura
- Faculty of Human Health and Welfare Services, St. Catherine University
| | - Ken Kajita
- Faculty of Human Health and Welfare Services, St. Catherine University
| | - Eri Eguchi
- Department of Epidemiology, Fukushima Medical University
| | - Kiyohide Tomooka
- Department of Public Health, Juntendo University Graduate School of Medicine
| | - Takeshi Tanigawa
- Department of Public Health, Juntendo University Graduate School of Medicine
| | - Isao Saito
- Department of Public Health and Epidemiology, Faculty of Medicine, Oita University
| | - Ryoichi Kawamura
- Department of Molecular and Genetic Medicine, Ehime University Graduate School of Medicine
| | - Yasunori Takata
- Department of Molecular and Genetic Medicine, Ehime University Graduate School of Medicine
| | - Haruhiko Oosawa
- Department of Molecular and Genetic Medicine, Ehime University Graduate School of Medicine
| | - Keiko Suyama
- Department of Community Health Systems Nursing, Ehime University Graduate School of Medicine
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12
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Matsuo R, Tomooka K, Noda A, Maruyama K, Saito I, Tanigawa T. The effect of sleep disordered breathing and excessive daytime sleepiness on the risk of motor vehicle crash: the toon health study. Sleep Med 2019. [DOI: 10.1016/j.sleep.2019.11.691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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13
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OSHIMA A, Tomooka K, Ikeda A, Maruyama K, Saito I, Tanigawa T. Association of objective sleepiness with motor vehicle crash among japanese community residents: the toon health study. Sleep Med 2019. [DOI: 10.1016/j.sleep.2019.11.805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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14
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Nakano T, Saito H, Tanaka K, Shioi M, Oshikane T, Maruyama K, Ohta A, Kaidu M, Abe E, Aoyama H. Risk Factors for Early Cognitive Deterioration after Whole-Brain Radiation Therapy for Brain Metastasis. Int J Radiat Oncol Biol Phys 2018. [DOI: 10.1016/j.ijrobp.2018.07.966] [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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15
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Kimura M, Wada H, Shirahama R, Suzuki Y, Suzuki Y, Maruyama K, Ikeda A, Tanigawa T. 0781 Association Between Snoring and Anxiety in Community-dwelling School Children. Sleep 2018. [DOI: 10.1093/sleep/zsy061.780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- M Kimura
- Graduate School of Medicine, Juntendo University, Tokyo, JAPAN
| | - H Wada
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, JAPAN
| | - R Shirahama
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, JAPAN
| | - Y Suzuki
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, JAPAN
| | - Y Suzuki
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, JAPAN
| | - K Maruyama
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, JAPAN
| | - A Ikeda
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, JAPAN
| | - T Tanigawa
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, JAPAN
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16
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Wada H, Kimura M, Tajima T, Shirahama R, Hayashi T, Suzuki Y, Suzuki Y, Sato S, Maruyama K, Endo M, Ikeda A, Tanigawa T. 0773 Sleep Disordered Breathing Based on Symptoms And RDI in Primary School Children with Implication for Prevalence. Sleep 2018. [DOI: 10.1093/sleep/zsy061.772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- H Wada
- Juntendo University, Tokyo, JAPAN
| | - M Kimura
- Juntendo University, Tokyo, JAPAN
| | - T Tajima
- Juntendo University, Tokyo, JAPAN
| | | | | | - Y Suzuki
- Juntendo University, Tokyo, JAPAN
| | - Y Suzuki
- Juntendo University, Tokyo, JAPAN
| | - S Sato
- Juntendo University, Tokyo, JAPAN
| | | | - M Endo
- Juntendo University, Tokyo, JAPAN
| | - A Ikeda
- Juntendo University, Tokyo, JAPAN
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Nagino T, Kaga C, Kano M, Masuoka N, Anbe M, Moriyama K, Maruyama K, Nakamura S, Shida K, Miyazaki K. Effects of fermented soymilk with Lactobacillus casei Shirota on skin condition and the gut microbiota: a randomised clinical pilot trial. Benef Microbes 2018; 9:209-218. [DOI: 10.3920/bm2017.0091] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Several clinical studies have shown that isoflavones and Lactobacillus casei Shirota (LcS) have beneficial effects on skin condition and the gut microbiota, respectively. Thus, we investigated the effects of consecutive intake of fermented soymilk (FSM) with LcS on skin condition and the gut microbiota, as well as isoflavone bioavailability, in a randomised, double-blind, placebo-controlled trial as a pilot study. Sixty healthy premenopausal Japanese women received FSM containing a moderate level of isoflavone aglycones and a probiotic LcS, or soymilk (SM) containing neither of them, twice a day for 8 weeks. Skin condition was assessed by a subjective questionnaire for face and morphological analysis of the stratum corneum on the inner forearm. Faecal microbiota and urinary isoflavone were analysed by 16S rRNA gene amplicon sequencing and high-performance liquid chromatography tandem mass spectrometry, respectively. Both the FSM and SM groups had improved skin condition as assessed from scores of overall satisfaction, dryness, moisture, elasticity, coarseness, pigmentation and/or stratum corneum morphology, as well as significantly increased levels of urinary isoflavones during the intake period compared with the pre-intake period, although there were no significant differences between the two groups. There was a significant positive correlation between urinary isoflavone levels and skin questionnaire scores. In contrast, the relative abundance levels of Lactobacillaceae significantly increased and those of Bifidobacteriaceae tended to increase during the intake period compared with the pre-intake period. For the after-intake period they only decreased significantly in the FSM group. The levels of Enterobacteriaceae and Porphyromonadaceae significantly decreased during the intake period in the FSM group. These findings suggest that daily intake of FSM, as well as SM, provides health benefits that improve skin condition via increased levels of isoflavone absorption in the body, and that only FSM beneficially modifies the gut microbiota in premenopausal healthy women.
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Affiliation(s)
- T. Nagino
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - C. Kaga
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - M. Kano
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - N. Masuoka
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - M. Anbe
- Yakult Honsha Co., Ltd., 1-1-19 Higashi-shinbashi, Minato-ku, Tokyo 105-8660, Japan
| | - K. Moriyama
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - K. Maruyama
- RIKEN Innovation Center, Nakamura Laboratory, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - S. Nakamura
- RIKEN Innovation Center, Nakamura Laboratory, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - K. Shida
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
| | - K. Miyazaki
- Yakult Central Institute, 5-11 Izumi, Kunitachi-shi, Tokyo 186-8650, Japan
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18
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Miyoshi N, Tanigawa T, Nishioka S, Maruyama K, Eguchi E, Tanaka K, Saito I, Yamazaki K, Miyake Y. Association of salivary lactate dehydrogenase level with systemic inflammation in a Japanese population. J Periodontal Res 2018; 53:487-494. [DOI: 10.1111/jre.12537] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/11/2018] [Indexed: 12/01/2022]
Affiliation(s)
- N. Miyoshi
- Department of Epidemiology and Preventive Medicine; Ehime University Graduate School of Medicine; Ehime Japan
| | - T. Tanigawa
- Department of Public Health; Juntendo University Graduate School of Medicine; Tokyo Japan
| | - S. Nishioka
- Department of Diabetes and Molecular Genetics; Ehime University Graduate School of Medicine; Ehime Japan
- Ehime Dental Association; Ehime Japan
| | - K. Maruyama
- Department of Public Health; Juntendo University Graduate School of Medicine; Tokyo Japan
| | - E. Eguchi
- Department of Public Health; Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences; Okayama Japan
| | - K. Tanaka
- Department of Epidemiology and Preventive Medicine; Ehime University Graduate School of Medicine; Ehime Japan
| | - I. Saito
- Department of Basic Nursing and Health Science; Ehime University Graduate School of Medicine; Ehime Japan
| | - K. Yamazaki
- Research Unit for Oral-Systemic Connection; Division of Oral Science for Health Promotion; Niigata University Graduate School of Medical and Dental Sciences; Niigata Japan
| | - Y. Miyake
- Department of Epidemiology and Preventive Medicine; Ehime University Graduate School of Medicine; Ehime Japan
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19
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Sakamoto N, Gozal D, Smith DL, Yang L, Morimoto N, Wada H, Maruyama K, Ikeda A, Suzuki Y, Nakayama M, Horiguchi I, Tanigawa T. Sleep Duration, Snoring Prevalence, Obesity, and Behavioral Problems in a Large Cohort of Primary School Students in Japan. Sleep 2017; 40:2980939. [PMID: 28364432 DOI: 10.1093/sleep/zsw082] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Study Objectives Poor or short sleep and the presence of snoring indicative of sleep-disordered breathing (SDB) have been associated with behavioral problems in school-aged children. We examined the relationship between SDB, sleep duration, obesity risk, and behavioral characteristics in Japanese elementary school students using a large-scale survey. Methods We conducted a cross-sectional study of children enrolled in all 46 public primary schools in Matsuyama city, Japan. The children's parents or guardians completed a questionnaire that covered sleep habits, presence of SDB risk, and behavioral characteristics. Results In total, 24 296 responses were received (90% response rate). After excluding incomplete responses, we analyzed complete datasets for 17 769 children. Mean sleep duration decreased with age, as did the prevalence of pediatric SDB. We found an increased risk for the presence of SDB and short sleep among overweight/obese children. With SDB or short sleep, we observed significantly increased odds of restless behaviors, fidgety behaviors, and poor concentration in school. Conclusions Shorter sleep duration was associated with increased risk of obesity, and in turn, obesity increased SDB risk. Both short sleep duration and SDB risk were significantly associated with behavioral problems in school.
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Affiliation(s)
- Naoko Sakamoto
- Department of Epidemiologic Research, Toho University, Tokyo, Japan
| | - David Gozal
- Department of Pediatrics, Pritzker School of Medicine, Biological Sciences Division, University of Chicago,Chicago, IL
| | - Dale L Smith
- Department of Health Sciences, University of Chicago, Chicago, IL
| | - Limin Yang
- Medical Support Center for Japan Environment and Children's Study, Tokyo, Japan
- National Center for Child Health and Development, Tokyo, Japan
| | - Noriko Morimoto
- National Center for Child Health and Development, Tokyo, Japan
| | - Hiroo Wada
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Kotatsu Maruyama
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Ai Ikeda
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Yohei Suzuki
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Meiho Nakayama
- Department of Otolaryngology and Good Sleep Center, Nagoya City University, Nagoya, Japan
| | - Itsuko Horiguchi
- Center for Relations Strategy, Nagasaki University, Nagasaki, Japan
| | - Takeshi Tanigawa
- Department of Public Health, Graduate School of Medicine, Juntendo University, Tokyo, Japan
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20
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Takahashi H, Tanabe S, Saito H, Ohta A, Nakano T, Sasamoto R, Utsunomiya S, Abe E, Tanaka K, Kushima N, Maruyama K, Shioi M, Kaidu M, Aoyama H. Decision Criteria for the Selection Between 3DCRT and VMAT in High-Grade Gliomas Based on the Normal Tissue Complication Probability of Normal Brain. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.861] [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: 11/27/2022]
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21
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Kaidu M, Tanaka K, Nakano T, Maruyama K, Saito H, Shioi M, Utsunomiya S, Tanabe S, Takahashi H, Ohta A, Abe E, Sasamoto R, Aoyama H. Salvage High-Dose-Rate Brachytherapy for Locally Recurrent Prostatic Cancer after Radiation Therapy. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.1187] [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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22
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Toi S, Shirai Y, Ishizuka K, Mizuno S, Maruyama K, Kubota M, Kitagawa K. Seven day ECG monitor in patients with embolic stroke of undermined source (ESUS). J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3138] [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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23
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Tomooka K, Tanigawa T, Sakurai S, Maruyama K, Eguchi E, Nishioka S, Miyoshi N, Kakuto H, Shimizu G, Yamaoka D, Saito I. Scalloped tongue is associated with nocturnal intermittent hypoxia among community-dwelling Japanese: the Toon Health Study. J Oral Rehabil 2017; 44:602-609. [PMID: 28548303 DOI: 10.1111/joor.12526] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/23/2017] [Indexed: 11/29/2022]
Abstract
Scalloped tongue is considered as a possible clinical finding of obstructive sleep apnoea (OSA). There are few evidence of the association between scalloped tongue and OSA. To examine the association between scalloped tongue and nocturnal intermittent hypoxia (NIH), a surrogate marker of OSA, among a general Japanese population. Study participants were 398 men and 732 women aged 30-79 years who participated in the Toon Health Study from 2011 to 2014. Scalloped tongue was classified into three categories: none, mild and moderate-to-severe. Moderate-to-severe NIH was defined as the 3% oxygen desaturation index of ≥15 events/h during sleep for one night with pulse oximetry. The multivariable-adjusted odds ratios (ORs) and 95% confidence intervals (CIs) for moderate-to-severe NIH were calculated according to scalloped tongue categories using a logistic regression model. There were 69 (6·1%) moderate-to-severe NIH cases in this population. The multivariable-adjusted ORs (95% CIs) of moderate-to-severe NIH were 1·59 (0·85-2·95) for mild and 2·39 (1·10-5·17) for the moderate-to-severe scalloped tongue group compared with the group without scalloped tongues. When stratified by overweight status (BMI <25 or ≥25 kg m-2 ), the respective ORs (95% CIs) were 2·83 (1·06-7·55) and 4·74 (1·28-17·49) among overweight individuals, and 0·94 (0·40-2·70) and 1·52 (0·57-4·05) among non-overweight individuals. Scalloped tongue was associated with higher prevalence of moderate-to-severe NIH among the general Japanese population and this association was more evident in overweight individuals.
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Affiliation(s)
- K Tomooka
- Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - T Tanigawa
- Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - S Sakurai
- Department of Clinical Laboratory Science, Faculty of Health Care, Tenri Health Care University, Tenri, Japan
| | - K Maruyama
- Department of Public Health, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - E Eguchi
- Department of Public Health, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - S Nishioka
- Department of Molecular and Genetic Medicine, Ehime University Graduate School of Medicine, Toon, Japan
| | - N Miyoshi
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Toon, Japan
| | - H Kakuto
- Department of East Asian Traditional Medicine, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - G Shimizu
- Department of East Asian Traditional Medicine, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - D Yamaoka
- Department of East Asian Traditional Medicine, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - I Saito
- Department of Community Health Systems Nursing, Ehime University Graduate School of Medicine, Toon, Japan
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Wada H, Kimura M, Shirahama R, Hayashi T, Suzuki Y, Suzuki Y, Maruyama K, Ikeda A, Tanigawa T. 0501 ASSOCIATION BETWEEN SLEEP-RELATED SYMPTOMS AND RESPIRATORY DISTURBANCE INDEX AMONG COMMUNITY-DWELLING SCHOOL CHILDREN. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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25
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Igami K, Ikeda A, Maruyama K, Tomooka K, Saito I, Tanigawa T. 0088 RELATIONSHIPS BETWEEN SLEEP DISORDERED BREATHING AND CENTRAL AORTIC PRESSURE IN A COMMUNITY BASED POPULATION: THE TOON HELATH STUDY. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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26
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Nishino E, Ikeda A, Maruyama K, Saito I, Tomooka K, Tanigawa T. 0089 NOCTURNAL INTERMITTENT HYPOXIA AND CAROTID-ARTERY ATHEROSCLEROSIS IN A GENERAL JAPANESE POPULATION: THE TOON HEALTH STUDY. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Murakami A, Maruyama K, Tomooka K, Suzuki Y, Saito I, Tanigawa T. 1024 SLEEP DISORDERED BREATHING AND CHRONIC KIDNEY DISEASE AMONG MIDDLE-AGED AND ELDERLY JAPANESE POPULATION: TOON HEALTH STUDY. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.1023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Maruyama K, Watanabe E, Saito K, Sato K, Yoshida H, Kume S, Noguchi A, Shiokawa Y, Nagane M. P04.17 Novel augmented reality-based neuronavigation using smart glasses and clinical application to brain tumor surgery. Neuro Oncol 2017. [DOI: 10.1093/neuonc/nox036.157] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Kume S, Gomyo M, Kobayashi K, Saito K, Shimizu S, Suzuki K, Maruyama K, Tsuchiya K, Shiokawa Y, Nagane M. P04.13 Detection and quantitative analysis of oncometabolite 2-hydroxyglutarate by 1H-magnetic resonance spectroscopy and LCModel in gliomas. Neuro Oncol 2017. [DOI: 10.1093/neuonc/nox036.153] [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: 11/13/2022] Open
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Furukawa S, Sakai T, Niiya T, Miyaoka H, Miyake T, Yamamoto S, Maruyama K, Ueda T, Senba H, Todo Y, Torisu M, Minami H, Onji M, Tanigawa T, Matsuura B, Hiasa Y, Miyake Y. Diabetic peripheral neuropathy and prevalence of erectile dysfunction in Japanese patients aged <65 years with type 2 diabetes mellitus: The Dogo Study. Int J Impot Res 2016; 29:30-34. [PMID: 27784886 DOI: 10.1038/ijir.2016.40] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Revised: 07/13/2016] [Accepted: 10/03/2016] [Indexed: 12/22/2022]
Abstract
Only limited epidemiological evidence exists regarding the relationship between diabetic neuropathy and erectile dysfunction (ED) among Japanese patients with type 2 diabetes mellitus. To investigate the relationship between diabetic neuropathy and ED among Japanese patients with type 2 diabetes mellitus, a multicenter cross-sectional study was conducted in 287 male Japanese patients with type 2 diabetes mellitus, age (19-65 years). Diabetic neuropathy was diagnosed if the patients showed two or more of the following three characteristics: neuropathic symptoms, decreased or disappeared Achilles tendon reflex and/or abnormal vibration perception. ED, moderate to severe ED, and severe ED were defined as present when a subject had a Sexual Health Inventory for Men score <22, <12 and <8, respectively. The prevalence values of diabetic neuropathy and severe ED were 47.0 and 39.0%, respectively. Diabetic neuropathy was independently positively associated with severe ED, but not ED and moderate ED: the adjusted odds ratio was 1.90 (95% confidence interval: 1.08-3.38). No relationships were found between diabetic retinopathy or diabetic nephropathy and ED. Diabetic neuropathy is positively associated with severe erectile dysfunction among Japanese type 2 diabetes mellitus patients aged <65 years.
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Affiliation(s)
- S Furukawa
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Japan.,Epidemiology and Medical Statistics Unit, Translational Research Center, Ehime University Hospital, Shitsukawa, Toon, Japan
| | - T Sakai
- Department of Internal Medicine, Yawatahama General City Hospital, Yawatahama, Japan
| | - T Niiya
- Department of Internal Medicine, Matsuyama Shimin Hospital, Otemachi, Matsuyama, Japan
| | - H Miyaoka
- Department of Internal Medicine, Saiseikai Matsuyama Hospital, Matsuyama, Japan
| | - T Miyake
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Japan
| | - S Yamamoto
- Department of Lifestyle-related Medicine and Endocrinology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Japan
| | - K Maruyama
- Department of Public Health, Juntendo University School of Medicine, Bunkyo, Tokyo, Japan
| | - T Ueda
- Department of Internal Medicine, Ehime Prefectural Central Hospital, Matsuyama, Japan
| | - H Senba
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Japan.,Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Japan
| | - Y Todo
- Department of Internal Medicine, Matsuyama Shimin Hospital, Otemachi, Matsuyama, Japan
| | - M Torisu
- Department of Internal Medicine, Saiseikai Saijo Hospital, Saijo, Japan
| | - H Minami
- Department of Internal Medicine, Ehime Niihama Hospital, Niihama, Japan
| | - M Onji
- Department of Internal Medicine, Saiseikai Imabari Hospital, Imabari, Japan
| | - T Tanigawa
- Department of Public Health, Juntendo University School of Medicine, Bunkyo, Tokyo, Japan
| | - B Matsuura
- Department of Lifestyle-related Medicine and Endocrinology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Japan
| | - Y Hiasa
- Department of Gastroenterology and Metabology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Japan
| | - Y Miyake
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Japan.,Epidemiology and Medical Statistics Unit, Translational Research Center, Ehime University Hospital, Shitsukawa, Toon, Japan
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Liu J, Sasamoto R, Kaidu M, Ayukawa F, Yamana N, Tanaka K, Kawaguchi G, Ohta A, Maruyama K, Abe E, Saitou H, Nakano T, Aoyama H. High-Dose-Rate Brachytherapy in Which 2 Fractions Were Administered Within a Single Day Combined With External Beam Radiation Therapy for Prostate Cancer: Four-year Experience and Outcomes. Int J Radiat Oncol Biol Phys 2016. [DOI: 10.1016/j.ijrobp.2016.06.1262] [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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Fujita K, Yamamura Y, Nomura Y, Shibutou N, Ueno A, Maruyama K, Ombe T, Hiramatsu M, Yamamura M. SAT0172 Comparison of Efficacy and Safety of Biologic Agents between Elderly-Onset and Younger-Onset Rheumatoid Arthritis. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.5388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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33
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Yaguchi A, Yonekubo S, Maruyama I, Tatemichi S, Maruyama K, Kobayashi M. Comparison of Phosphate Binding Capacities of PA21, A Novel Phosphate Binder, with those of other Phosphate Binders in vitro and in vivo. Drug Res (Stuttg) 2016; 66:262-9. [PMID: 26761712 DOI: 10.1055/s-0035-1569328] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
PURPOSE The phosphate binding capacity of PA21, a novel phosphate binder, was compared with those of other phosphate binders in vitro and in vivo. METHODS 1) For in vitro studies, PA21, sevelamer hydrochloride, lanthanum carbonate hydrate, calcium carbonate, and ferric citrate hydrate were incubated with a phosphate solution at 37°C for 2 h. Phosphate binding capacity was assessed at simulated gastrointestinal tract pH levels of 2, 5, and 8 for estimation of clinical effects, and the quantity of phosphate adsorbed by each phosphate binder was determined. 2) For in vivo studies, rats were orally administered various phosphate binders after the oral administration of phosphate solution (100 mg/kg) adjusted to pH 2, 5, or 8, and the effects of PA21 and other phosphate binders on the serum phosphorus level of the rats were investigated. RESULTS 1) The in vitro studies revealed that PA21 and sevelamer hydrochloride adsorbed phosphate better at all tested pH levels than lanthanum carbonate hydrate, calcium carbonate, and ferric citrate hydrate, and PA21 showed the most potent phosphate binding capacity among the tested compounds. 2) The in vivo studies showed that PA21 dose-dependently inhibited the increase in the serum phosphorus level after the administration of phosphate solution and no difference in the extent of inhibition by PA21 was observed at the different pH levels (in contrast to other phosphate binders). CONCLUSION These results indicated that PA21 has a phosphate binding capacity over the entire pH range of the GI tract.
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Affiliation(s)
- A Yaguchi
- Pharmacology Research Laboratory, R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
| | - S Yonekubo
- Pharmacology Research Laboratory, R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
| | - I Maruyama
- Pharmacology Research Laboratory, R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
| | - S Tatemichi
- Pharmacology Research Laboratory, R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
| | - K Maruyama
- Pharmacology Research Laboratory, R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
| | - M Kobayashi
- Pharmacology Research Laboratory, R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
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Nodera H, Takamatsu N, Matsui N, Mori A, Terasawa Y, Shimatani Y, Osaki Y, Maruyama K, Izumi Y, Kaji R. Intramuscular dissociation of echogenicity in the triceps surae characterizes sporadic inclusion body myositis. Eur J Neurol 2015; 23:588-96. [DOI: 10.1111/ene.12899] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 10/01/2015] [Indexed: 11/29/2022]
Affiliation(s)
- H. Nodera
- Department of Neurology Tokushima University TokushimaJapan
| | - N. Takamatsu
- Department of Neurology Tokushima University TokushimaJapan
- Vihara Hananosato Hospital MiyoshiJapan
| | - N. Matsui
- Department of Neurology Tokushima University TokushimaJapan
| | - A. Mori
- Department of Neurology Tokushima University TokushimaJapan
| | - Y. Terasawa
- Department of Neurology Tokushima University TokushimaJapan
- Department of Neurology Jikei University School of Medicine Tokyo Japan
| | - Y. Shimatani
- Department of Neurology Tokushima University TokushimaJapan
| | - Y. Osaki
- Department of Neurology Tokushima University TokushimaJapan
| | - K. Maruyama
- Department of Neurology Tokushima University TokushimaJapan
| | - Y. Izumi
- Department of Neurology Tokushima University TokushimaJapan
- Vihara Hananosato Hospital MiyoshiJapan
| | - R. Kaji
- Department of Neurology Tokushima University TokushimaJapan
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Ohta A, Tanabe S, Utsunomiya S, Tanaka K, Sato H, Maruyama K, Kawaguchi G, Kaidu M, Sasamoto R, Aoyama H. Respiratory Gating Intermittent Radiation for Esophageal Cancer. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.890] [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: 11/25/2022]
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36
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Eguchi E, Saito I, Maruyama K, Sakurai S, Tanigawa T. Is the Association between Sleep Disordered Breathing and Night and Morning Blood Pressure Modified by Sleep Quality?: Toon Health Study. Int J Epidemiol 2015. [DOI: 10.1093/ije/dyv097.278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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37
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Saito I, Maruyama K, Nishida W, Eguchi E, Kato T, Hitsumoto S, Kawamura R, Takata Y, Onuma H, Osawa H, Tanigawa T. Heart Rate Variability, Insulin Resistance and Insulin Sensitivity in Japanese Adults: The Toon Health Study. Int J Epidemiol 2015. [DOI: 10.1093/ije/dyv096.284] [Citation(s) in RCA: 2] [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: 11/13/2022] Open
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38
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Yamamura Y, Matuura I, Nomura Y, Fujita K, Momoki N, Ueno A, Maruyama K, Hiramatu M, Yamamura M. THU0572 Heterogeneity of IGG4-Related Disease in Terms of Organ Damage, Treatment Response and Prognosis. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.6484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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39
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Fujita K, Shibuto N, Yamamura Y, Nomura Y, Momoki N, Ueno A, Nakao K, Maruyama K, Yamamura M. SAT0539 TAFRO Syndrome: A Unique Mimicker of Systemic Lupus Erythematosus. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.5875] [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: 11/04/2022]
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40
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Maruyama K, Dmochowski L, Romero JJ, Wagner SH, Swearingen GR. Studies of human cells infected by leukemia viruses. Bibl Haematol 2015; 39:852-70. [PMID: 4360197 DOI: 10.1159/000427914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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41
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Maruyama K, Wagner SH, Dmochowski L. Sarcomas induced in rats by feline RNA virus. Bibl Haematol 2015:93-5. [PMID: 169839 DOI: 10.1159/000397522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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42
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Maruyama K, Dmochowski L. Antigenic analysis of transformed and nontransformed cells from human neoplasms. Prog Exp Tumor Res 2015; 19:253-69. [PMID: 4373782 DOI: 10.1159/000395860] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Abstract
The possible involvement of RNA tumor virus genomes in human cell transformation was investigated. Forty-nine cell cultures from neoplastic, normal, or embryo tissues were examined for transformation, following inoculation of murine leukemia virus (MuLV), feline leukemia virus (FeLV) grown in human cells, or bone marrow aspirates from leukemia patients. Five cultures exhibited transformation (1 after inoculation of MuLV grown in human cells; 4 after inoculation of human leukemic bone marrow), and 4 were established as cell lines. They were derived from giant cell tumor and fibrosarcomas. The established transformed cells formed colonies in soft agar, grew progressively in immunosuppressed mice, and carried antigens common to FeLV and MuLV. Although virus particles were not seen in these cultures, 68S RNA was detected in their media. Medium from nontransformed parent cultures also contained 68S RNA but in amounts about 15 times less than in transformed cultures. Transformed human cells passaged in mice produced both type C virus particles and 68S RNA. Antigens common to MuLV and FeLV were found in these particles. However, the results of biological and serological studies indicate their difference from conventional MuLV and FeLV. The relationship of this virus and 68S RNA found in transformed cultures remains to be determined.
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44
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Maruyama K, Dmochowski L, Rickard CG. Comparative studies of feline and human leukemia by mixed hemadsorption reaction. Bibl Haematol 2015:355-67. [PMID: 4950967 DOI: 10.1159/000391727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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45
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Inaba T, Maruyama K. Polyclonal intraocular plasmacytosis in a patient with herpetic endophthalmitis. Int J Lab Hematol 2014; 37:e78-80. [PMID: 25472858 DOI: 10.1111/ijlh.12317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- T Inaba
- Department of Infection Control and Laboratory Medicine, Kyoto Prefectural University of Medicine, Kyoto, Japan.
| | - K Maruyama
- Department of Ophthalmology, Tohoku University Graduate School of Medicine, Sendai, Japan
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46
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Iwasa K, Yamamoto S, Takahashi M, Suzuki S, Yagishita S, Awaji T, Maruyama K, Yoshikawa K. Prostaglandin F2α FP receptor inhibitor reduces demyelination and motor dysfunction in a cuprizone-induced multiple sclerosis mouse model. Prostaglandins Leukot Essent Fatty Acids 2014; 91:175-82. [PMID: 25224839 DOI: 10.1016/j.plefa.2014.08.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [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: 03/26/2014] [Revised: 08/27/2014] [Accepted: 08/28/2014] [Indexed: 12/17/2022]
Abstract
Previously, we have demonstrated that prostamide/PGF synthase, which catalyzes the reduction of prostaglandin (PG) H2 to PGF2α, is constitutively expressed in myelin sheaths and cultured oligodendrocytes, suggesting that PGF2α has functional significance in myelin-forming oligodendrocytes. To investigate the effects of PGF2α/FP receptor signaling on demyelination, we administrated FP receptor agonist and antagonist to cuprizone-exposed mice, a model of multiple sclerosis. Mice were fed a diet containing 0.2% cuprizone for 5 weeks, which induces severe demyelination, glial activation, proinflammatory cytokine expression, and motor dysfunction. Administration of the FP receptor antagonist AL-8810 attenuated cuprizone-induced demyelination, glial activation, and TNFα expression in the corpus callosum, and also improved the motor function. These data suggest that during cuprizone-induced demyelination, PGF2α/FP receptor signaling contributes to glial activation, neuroinflammation, and demyelination, resulting in motor dysfunction. Thus, FP receptor inhibition may be a useful symptomatic treatment in multiple sclerosis.
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Affiliation(s)
- K Iwasa
- Department of Pharmacology, Faculty of Medicine, Saitama Medical University, 38 Moro-hongo, Moroyama-machi, Iruma-gun, Saitama 350-0495, Japan
| | - S Yamamoto
- Department of Pharmacology, Faculty of Medicine, Saitama Medical University, 38 Moro-hongo, Moroyama-machi, Iruma-gun, Saitama 350-0495, Japan
| | - M Takahashi
- Department of Pharmacology, Faculty of Medicine, Saitama Medical University, 38 Moro-hongo, Moroyama-machi, Iruma-gun, Saitama 350-0495, Japan
| | - S Suzuki
- Department of Pharmacology, Faculty of Medicine, Saitama Medical University, 38 Moro-hongo, Moroyama-machi, Iruma-gun, Saitama 350-0495, Japan
| | - S Yagishita
- Department of Pharmacology, Faculty of Medicine, Saitama Medical University, 38 Moro-hongo, Moroyama-machi, Iruma-gun, Saitama 350-0495, Japan
| | - T Awaji
- Department of Pharmacology, Faculty of Medicine, Saitama Medical University, 38 Moro-hongo, Moroyama-machi, Iruma-gun, Saitama 350-0495, Japan
| | - K Maruyama
- Department of Pharmacology, Faculty of Medicine, Saitama Medical University, 38 Moro-hongo, Moroyama-machi, Iruma-gun, Saitama 350-0495, Japan
| | - K Yoshikawa
- Department of Pharmacology, Faculty of Medicine, Saitama Medical University, 38 Moro-hongo, Moroyama-machi, Iruma-gun, Saitama 350-0495, Japan.
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47
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Maruyama K, Katai H. Surgical treatment of gastric cancer in Japan, trend from standardization to individualization. Chirurgia (Bucur) 2014; 109:722-730. [PMID: 25560493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/01/2014] [Indexed: 06/04/2023]
Abstract
Japan has a huge number of patients with gastric cancer and has developed various surgical treatments for this disease.This paper intends to introduce our strategies against gastric cancer. The Japanese Gastric Cancer Association was established in 1962. Its major purposes are promotion of basic and clinical researches and popularization of the latest knowledge and technologies. For the purposes, the association organized the annual scientific meeting and the nationwide registry by member hospitals, and published the Japanese Classification of Gastric Cancer (1) and the Treatment Guide Line (2). The nationwide registry reported that proportion of Stage-I cancer was 22.5% in 1963-66,which increased to 59.3% in 2008 (3,4,5). 11,261 patients with gastric resection were registered by 187 hospitals in 2008. 63 patients were died within 30 postoperative days and the direct death rate was 0.55%. 5 year survival rate (5YSR) was 37.5% for resected cases in 1963-66, which was improved to 70.1% in 2008. 5YSR was improved from 55.1% to 74.1% for Stage-II, and from 39.1% to 48.8% for Stage-III in the period. According to remarkable increase of early stage cancer, principle of surgical treatments was shifted from "extended and standardized surgery for radicality" to "reasonable and individual surgery considering safety and quality of life". This trend produced a large variation in surgical treatments; namely 1) minimally invasive surgeries,2) function preserving surgeries, 3) optimal extent of lymph node dissection, and 4) aggressive but safe surgeries.Intention of this paper is to explain these procedures, the intentions, the indications, and the treatment results.
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Akahane K, Inoue T, Yokoyama A, Yaguchi A, Ojima K, Kiguchi S, Maruyama K, Kobayashi M, Mori Y. Efficacy of Mitiglinide Combined with Dapagliflozin in Streptozotocin-nicotinamide-induced Type 2 Diabetic Rats and in Zucker Fatty Rats. Drug Res (Stuttg) 2014; 65:416-21. [PMID: 25188606 DOI: 10.1055/s-0034-1387719] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
The efficacy of the combination of the rapid-acting insulin secretagogue mitiglinide and the sodium-glucose cotransporter 2 (SGLT2) inhibitor dapagliflozin was explored in streptozotocin-nicotinamide-induced type 2 diabetic (STZ-NA) rats and in Zucker fatty (ZF) rats. The STZ-NA rats were prepared at 8 weeks of age. At 9 weeks of age, the combination study was conducted by oral glucose tolerance test (OGTT). At 13 weeks of age, ZF rats were dosed orally with dapagliflozin once daily up to the 22(nd) day. At days 15 and 22, the combination study was conducted by OGTT. In 2 different animal models, plasma glucose levels were strongly suppressed by the combination of mitiglinide and dapagliflozin as compared with either drug alone. The urinary glucose excretion was drastically elevated in the dapagliflozin group, but the combination with mitiglinide suppressed it about 50%. In STZ-NA rats, the plasma insulin secretion by the combination of both drugs was about at the same level as in the mitiglinide group. In ZF rats, the plasma insulin secretion by the combination of both drugs was less than mitiglinide group. Thus, in 2 different animal models, the combination of mitiglinide and dapagliflozin showed stronger antihyperglycemic action accompanied by less insulin secretion than mitiglinide alone, and reduced the urinary glucose excretion as compared with dapagliflozin used alone. These results indicate that the combination of mitiglinide and dapagliflozin can be a promising combination for the treatment of diabetic patients.
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Affiliation(s)
- K Akahane
- Pharmacology Research Laboratory R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
| | - T Inoue
- Pharmacology Research Laboratory R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
| | - A Yokoyama
- Pharmacology Research Laboratory R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
| | - A Yaguchi
- Pharmacology Research Laboratory R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
| | - K Ojima
- Pharmacology Research Laboratory R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
| | - S Kiguchi
- Pharmacology Research Laboratory R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
| | - K Maruyama
- Pharmacology Research Laboratory R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
| | - M Kobayashi
- Pharmacology Research Laboratory R&D, Kissei Pharmaceutical Co., Ltd., Nagano, Japan
| | - Y Mori
- Division of Diabetes and Endocrinology, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
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49
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Maruyama K, Morohashi S, Fukakura Y, Takeuchi H, Miyaji T, Tsuji T, Hasegawa T, Eguchi K, Usuda Y, Andoh T. Preliminary development and evaluation of the support system for care of mechanically ventilated patients. Br J Anaesth 2014; 113:491-500. [DOI: 10.1093/bja/aeu097] [Citation(s) in RCA: 2] [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: 11/14/2022] Open
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50
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Watanabe Y, Saito I, Henmi I, Yoshimura K, Maruyama K, Yamauchi K, Matsuo T, Kato T, Tanigawa T, Kishida T, Asada Y. Skipping Breakfast is Correlated with Obesity. J Rural Med 2014; 9:51-8. [PMID: 25648986 PMCID: PMC4310153 DOI: 10.2185/jrm.2887] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2014] [Accepted: 05/16/2014] [Indexed: 11/27/2022] Open
Abstract
Objective: Despite the fact that the total energy intake of Japanese people
has decreased, the percentage of obese people has increased. This suggests that the timing
of meals is related to obesity. The purpose of the study was to investigate the
relationship between the timing of meals and obesity, based on analyses of physical
measurements, serum biochemical markers, nutrient intake, and lifestyle factors in the
context of Chrononutrition. Participants and Methods: We analyzed data derived from 766 residents of
Toon City (286 males and 480 females) aged 30 to 79 years who underwent detailed medical
examinations between 2011 and 2013. These medical examinations included. (1) physical
measurements (waist circumference, blood pressure, etc.); (2) serum biochemical markers
(total cholesterol, etc.); (3) a detailed questionnaire concerning lifestyle factors such
as family structure and daily habits (22 issues), exercise and eating habits (28 issues),
alcohol intake and smoking habits; (4) a food frequency questionnaire based on food groups
(FFQg); and (5) a questionnaire concerning the times at which meals and snacks are
consumed. Results: The values for body mass index (BMI) and waist circumference were
higher for participants who ate dinner less than three hours before bedtime (<3-h
group) than those who ate more than three hours before bedtime (>3-h group). The
Chi-square test showed that there was a significant difference in eating habits, e.g.,
eating snacks, eating snacks at night, having dinner after 8 p.m., and having dinner after
9 p.m., between the <3-h group and the >3-h group. Multiple linear regression
analysis showed that skipping breakfast significantly influenced both waist circumference
(β = 5.271) and BMI (β = 1.440) and that eating dinner <3-h before going to bed only
influenced BMI (β = 0.581). Conclusion: Skipping breakfast had a greater influence on both waist
circumference and BMI than eating dinner <3-h before going to bed.
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Affiliation(s)
- Yoko Watanabe
- Department of Applied Bioresource Science, The United Graduate School of Agricultural Sciences, Ehime University, Japan ; Ehime Prefectural Federation of Agricultural Cooperatives for Health and Welfare (JA Ehime Kouseiren), Japan
| | - Isao Saito
- Department of Basic Nursing and Health Science, Ehime University Graduate School of Medicine, Japan
| | - Ikuyo Henmi
- Department of Faculty of Nutrition, University of Kochi, Japan
| | - Kana Yoshimura
- Department of Public Health, Ehime University Graduate School of Medicine, Japan
| | - Kotatsu Maruyama
- Department of Public Health, Ehime University Graduate School of Medicine, Japan
| | - Kanako Yamauchi
- Department of Center for Education and Educational Research, Ehime University, Japan
| | - Tatsuhiro Matsuo
- Department of Applied Bioresource Science, The United Graduate School of Agricultural Sciences, Ehime University, Japan
| | - Tadahiro Kato
- Department of Applied Bioresource Science, The United Graduate School of Agricultural Sciences, Ehime University, Japan ; Ehime Prefectural Federation of Agricultural Cooperatives for Health and Welfare (JA Ehime Kouseiren), Japan
| | - Takeshi Tanigawa
- Department of Public Health, Ehime University Graduate School of Medicine, Japan
| | - Taro Kishida
- Department of Applied Bioresource Science, The United Graduate School of Agricultural Sciences, Ehime University, Japan
| | - Yasuhiko Asada
- Department of Applied Bioresource Science, The United Graduate School of Agricultural Sciences, Ehime University, Japan
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