1
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Li Y, Kamiyama Y, Minegishi F, Tamura Y, Yamashita K, Katagiri S, Takase H, Otani M, Tojo R, Rupp GE, Suzuki T, Kawakami N, Peck SC, Umezawa T. Group C MAP kinases phosphorylate MBD10 to regulate ABA-induced leaf senescence in Arabidopsis. Plant J 2024. [PMID: 38477703 DOI: 10.1111/tpj.16706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 02/15/2024] [Accepted: 02/23/2024] [Indexed: 03/14/2024]
Abstract
Abscisic acid (ABA) is a phytohormone that promotes leaf senescence in response to environmental stress. We previously identified methyl CpG-binding domain 10 (MBD10) as a phosphoprotein that becomes differentially phosphorylated after ABA treatment in Arabidopsis. ABA-induced leaf senescence was delayed in mbd10 knockout plants but accelerated in MBD10-overexpressing plants, suggesting that MBD10 positively regulates ABA-induced leaf senescence. ABA-induced phosphorylation of MBD10 occurs in planta on Thr-89, and our results demonstrated that Thr-89 phosphorylation is essential for MBD10's function in leaf senescence. The in vivo phosphorylation of Thr-89 in MBD10 was significantly downregulated in a quadruple mutant of group C MAPKs (mpk1/2/7/14), and group C MAPKs directly phosphorylated MBD10 in vitro. Furthermore, mpk1/2/7/14 showed a similar phenotype as seen in mbd10 for ABA-induced leaf senescence, suggesting that group C MAPKs are the cognate kinases of MBD10 for Thr-89. Because group C MAPKs have been reported to function downstream of SnRK2s, our results indicate that group C MAPKs and MBD10 constitute a regulatory pathway for ABA-induced leaf senescence.
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Grants
- KAKENHI JP21H05654 Ministry of Education, Culture, Sports, Science and Technology
- KAKENHI JP22K19170 Ministry of Education, Culture, Sports, Science and Technology
- KAKENHI JP23H02497 Ministry of Education, Culture, Sports, Science and Technology
- KAKENHI JP23H04192 Ministry of Education, Culture, Sports, Science and Technology
- 20350427 Moonshot Research and Development Program
- JP21J10962 Japan Society for the Promotion of Science
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Affiliation(s)
- Yangdan Li
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, 184-8588, Tokyo, Japan
| | - Yoshiaki Kamiyama
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, 184-8588, Tokyo, Japan
| | - Fuko Minegishi
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, 184-8588, Tokyo, Japan
| | - Yuki Tamura
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, 184-8588, Tokyo, Japan
| | - Kota Yamashita
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, 184-8588, Tokyo, Japan
| | - Sotaro Katagiri
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, 184-8588, Tokyo, Japan
| | - Hinano Takase
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, 184-8588, Tokyo, Japan
| | - Masahiko Otani
- School of Agriculture, Meiji University, Kawasaki, 214-8571, Kanagawa, Japan
| | - Ryo Tojo
- School of Agriculture, Meiji University, Kawasaki, 214-8571, Kanagawa, Japan
| | - Gabrielle E Rupp
- Department of Biochemistry, University of Missouri, Columbia, 65211, Missouri, USA
| | - Takamasa Suzuki
- College of Bioscience and Biotechnology, Chubu University, Kasugai, 487-8501, Aichi, Japan
| | - Naoto Kawakami
- School of Agriculture, Meiji University, Kawasaki, 214-8571, Kanagawa, Japan
| | - Scott C Peck
- Department of Biochemistry, University of Missouri, Columbia, 65211, Missouri, USA
| | - Taishi Umezawa
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, 184-8588, Tokyo, Japan
- Faculty of Agriculture, Tokyo University of Agriculture and Technology, Fuchu, 183-8538, Tokyo, Japan
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Kose E, Nakagawa S, Niki K, Hashizume J, Kawazoe T, Suzuki N, Uchida M, Takase H. Pharmacist Interventions for Adverse Drug Reactions in Palliative Care: A Multicentre Pilot Study. Pharmazie 2023; 78:141-149. [PMID: 37592417 DOI: 10.1691/ph.2023.3554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 08/19/2023]
Abstract
This study aimed to investigate adverse reactions to medications administered during palliative care and compare the responses of Board-Certified Pharmacists in Palliative Pharmacy (BCPPP) and non-BCPPP professionals. Methods: This multicentre prospective survey included hospital and community pharmacists who are members of the Japanese Society for Pharmaceutical Palliative Care and Sciences. Study participants included patients who experienced new drug reactions during the study period and responded to the requested survey items. The follow-up period for each eligible patient began on the day the pharmacists initiated the intervention and ended at discharge, death, or after one month of intervention. The primary endpoint was the impact of pharmacist intervention on adverse drug reactions. The pharmacists included in the study evaluated the severity of adverse drug reactions to assess the effect of their intervention using an integrated palliative care outcome scale before and after the intervention. Key findings: During the survey period, 79 adverse drug reaction intervention reports from 69 patients were obtained from 54 pharmacists (28 certified and 26 non-certified). The response rate was 1.62% (54/3,343). The management of palliative pharmacotherapy side effects by BCPPP and non-BCPPP significantly improved the patients' activities of daily living (P < 0.001). The BCPPP group intervened for significantly more patients with adverse drug reactions and overall adverse drug reactions than the non-BCPPP group (P < 0.023 and P < 0.013, respectively). Conclusion: BCPPP interventions can improve symptom management.
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Affiliation(s)
- E Kose
- Department of Pharmacy; These authors contributed equally to this work
| | - S Nakagawa
- Department of Clinical Pharmacy; Nippon Medical School Tamanagayama Hospital; Research Promotion Committee; These authors contributed equally to this work; Corresponding author: Sari Nakagawa, Department of Clinical Pharmacy, Faculty of Pharmaceutical Sciences, Kobe Gakuin University, 1-1-3 Minatojima, Chuo-ku, Kobe-shi, Hyogo 650-8586, Japan,
| | - K Niki
- Faculty of Pharmaceutical Sciences, Kobe Gakuin University; Department of Clinical Pharmacy Research and Education; Nippon Medical School Tamanagayama Hospital; Research Promotion Committee
| | - J Hashizume
- Graduate School of Pharmaceutical Sciences, Osaka University; Department of Hospital Pharmacy
| | - T Kawazoe
- Nagasaki University Hospital; Department of Clinical Pharmacy; Nippon Medical School Tamanagayama Hospital; Research Promotion Committee
| | - N Suzuki
- Kagawa School of Pharmaceutical Sciences, Tokushima Bunri University; Department of Pharmacy
| | - M Uchida
- National Hospital Organization Sendai Medical Center; Department of Education and Research Center for Pharmacy Practice; Nippon Medical School Tamanagayama Hospital; Research Promotion Committee
| | - H Takase
- Faculty of Pharmaceutical Sciences, Doshisha Women's College of Liberal Arts; Department of Pharmacy; Nippon Medical School Tamanagayama Hospital; Research Promotion Committee
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Hayashi K, Takase H, Nakano S, Ohno K, Takayama S, Machii M, Sugiura T, Ohte N, Dohi Y. Influences of smoking on central blood pressure in hypertensive subjects. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.2369] [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/Introduction
Smoking is known to induce systemic vascular damage, leading to cardiovascular diseases. Recent studies demonstrated that central blood pressure has a greater impact on cardiovascular events than brachial blood pressure.
Purpose
We investigated influences of habitual smoking on central systolic blood pressure (CSBP) in hypertensive subjects.
Methods
A total of 5630 subjects (male = 2622, 51.7±12.0 year-old at baseline), who visited our hospital for a physical check-up at least twice during the last 10 years and underwent CSBP measurement at each visit, were enrolled, and they were divided into three groups; normotensive (n=4634), non-treated hypertensive (n=91) and treated hypertensive subjects (n=905). Then, the influences of smoking on the average and yearly changes of CSBP (median follow-up 5 years) were analyzed. Brachial blood pressure (oscillometer) and radial artery pressure waveforms (tonometer) were recorded using an automated device, and the pressure corresponding to the second systolic peak of radial pressure waveforms was taken as CSBP (HEM-9000AI, Omron Healthcare, Kyoto). Hypertension was defined as brachial BP ≥140/90mmHg or the use of antihypertensive medications. A yearly change in CSBP was calculated in each subject by linear regression analysis using longitudinal data.
Results
The average CSBP was higher in habitual smokers than in non-smokers when analyzed in normotensive (109.1±11.7 vs. 107.6±12.8 mmHg, p<0.001) and non-treated hypertensive subjects (150.7±14.8 vs. 142.8±16.7 mmHg, p<0.05), whereas in hypertensive subjects under medication the average CSBP was lower in smokers than in non-smokers (124.6±12.4 vs. 127.8±13.6 mmHg, p<0.01). Smoking status did not affect yearly changes of CSBP in normotensive (habitual smokers vs. non-smokers; 1.38±6.00 vs. 1.44±6.04 mmHg/year), treated hypertensive (−0.16±7.08 vs. −0.66±8.24 mmHg/year), and non-treated hypertensive subjects (4.09±15.1 vs. −0.53±10.3 mmHg/year).
Conclusions
Habitual smoking increases CSBP, however, antihypertensive medications counteract the unfavorable effects of smoking on CSBP. These results imply a new pathway underlying the development of cardiovascular diseases in smokers. Unfavorable changes in the cardiovascular system caused by smoking may quite slowly progress that short period of observation in the present study could not have detected enhanced yearly increases of CSBP by smoking.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
| | - H Takase
- Enshu Hospital, Hamamatsu, Japan
| | - S Nakano
- Enshu Hospital, Hamamatsu, Japan
| | - K Ohno
- Enshu Hospital, Hamamatsu, Japan
| | | | - M Machii
- Enshu Hospital, Hamamatsu, Japan
| | - T Sugiura
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - N Ohte
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Y Dohi
- Nagoya Gakuin University, Nagoya, Japan
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Takase H, Hayashi K, Ohno K, Takayama S, Machii M, Sugiura T, Ohte N, Dohi Y. Relationship between year-to-year blood pressure variability and target organ damage in the general population. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.2290] [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/Introduction
Visit-to-visit blood pressure variability (BPV) is a strong predictor of cardiovascular events as well as target organ damage (TOD) in hypertension. However, effects of year-to-year BPV on the development of TOD have not been investigated in the general population.
Purpose
The present study was designed to investigate a possible relationship between year-to-year BPV and TOD in the general population.
Methods
Consecutive 5542 subjects (male=3771, 58.6±10.7 yea-old) who visited our hospital for an annual physical check-up for 5 years in a row during 2008 and 2013 were enrolled. The average, standard deviation (SD), coefficient of variation (CV), and average real variability (ARV) of systolic blood pressure (SBP) were calculated using data during the period. Other baseline data were obtained in 2013; left ventricular hypertrophy (LVH; Sokolow-Lyon voltage >3.8 mV and/or Cornell product >2440 mm ms) and kidney impairment (estimated glomerular filtration rate; eGFR<60) were taken as TOD. Then, subjects without TOD at baseline (2013) (n=3801, male=2584, 57.4±10.4 yea-old) were followed up until 2019 (median = 5 years) and the impact of BPV on the development of TOD was investigated.
Results
The average, SD, CV and ARV of SBP were 123.8 mmHg, 8.04 mmHg, 6.50%, and 9.19 mmHg, respectively. At baseline, these parameters were higher in subjects with TOD than those without TOD (Table 1-A). During the follow-up of subjects without TOD at baseline, LVH and kidney impairment developed in 425 and 623 subjects (24.7 and 35.8 per 1000 person-year), respectively. In retrospective analysis, the average, SD, and ARV were higher in subjects with than without future TOD (Table 1-B). Although some indices of year-to-year BPV predicted future development of TOD in univariate Cox-hazard analysis, only the average of SBP predicted incident TOD after adjustment.
Conclusions
Year-to-year BPV is a marker of the incident TOD in the general population. However, these indices do not independently predict the onset of TOD and, thus, there may be unknown pathway that links TOD and BPV.
Funding Acknowledgement
Type of funding sources: None. Table 1. BP variability and TODTable 2. Cox-hazard analyses
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Affiliation(s)
- H Takase
- Enshu Hospital, Hamamatsu, Japan
| | | | - K Ohno
- Enshu Hospital, Hamamatsu, Japan
| | | | - M Machii
- Enshu Hospital, Hamamatsu, Japan
| | - T Sugiura
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - N Ohte
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Y Dohi
- Nagoya Gakuin University, Nagoya, Japan
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Udagawa T, Okutsu M, Kanamori T, Konishi M, Takase H, Morio T. POS-059 SUCCESSFUL TREATMENT OF REFRACTORY TUBULOINTERSTITIAL NEPHRITIS AND UVEITIS SYNDROME USING MYCOPHENOLATE MOFETIL. Kidney Int Rep 2021. [DOI: 10.1016/j.ekir.2021.03.065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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6
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Takase H, Machii M, Nonaka D, Ohno K, Takayama S, Sugiura T, Ohte N, Dohi Y. Effect of advancing age on dietary salt intakes: a 10-year follow-up study. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.2809] [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/Introduction
The National Nutrition Survey in Japan indicated that dietary salt intake of the Japanese is gradually decreasing for the last several decades, while salt intakes are higher in elderly than young people. There is no survey on the alteration of salt intakes with advancing age in individuals.
Purpose
The present study investigated effects of aging on salt intakes in individuals.
Methods
A total of 2600 subjects (men; 1787, age; 30 to 79 years-old at 2008) who participated in our physical check-up program both in 2008 and 2018 were enrolled. Individual dietary salt intakes in 2008 and 2018, which were estimated using a spot urine by a previously reported method, were compared.
Results
The mean age and salt intakes at 2008 were 53.9±10.0 years and 12.2±3.2 g/day in men and 54.4±9.2 years and 8.3±2.1 g/day in women, respectively. Salt intake increased to 13.2±3.3 g/day in men and 8.8±2.2 g/day in women during the 10 years. Salt intakes were higher in hypertensive than normotensive subjects both at 2008 and 2018, but changes of blood pressure category were not associated with those of salt intakes during the 10 years (table). Changes in salt intakes in each decade are shown in Figure. Salt intakes in each decade increased with advancing age both in men and women until their 70s. Salt intakes in people in their 60s and 70s at 2018 were higher than those at 2008. Similar results were obtained in subjects without any anti-hypertensive medications (n=1667) (data not shown).
Conclusions
The observational follow-up study revealed that salt intakes in each individual increased after the interval of 10 years in both men and women. The results suggest that the sense of taste changes with advancing age in young adults as well as elderly persons, which may be related with alterations of lifestyle.
Age difference in changes of salt intake
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- H Takase
- Enshu Hospital, Hamamatsu, Japan
| | - M Machii
- Enshu Hospital, Hamamatsu, Japan
| | - D Nonaka
- Enshu Hospital, Hamamatsu, Japan
| | - K Ohno
- Enshu Hospital, Hamamatsu, Japan
| | | | - T Sugiura
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - N Ohte
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Y Dohi
- Nagoya Gakuin University, Nagoya, Japan
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7
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Ohno K, Takase H, Machii M, Nonaka D, Takayama S, Sugiura T, Ohte N, Dohi Y. What is the optimal blood pressure level for kidney in the general population? Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.2714] [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: 11/12/2022] Open
Abstract
Abstract
Background/Introduction
Hypertension induces kidney dysfunction, and vice versa. Furthermore, kidney dysfunction can be a risk factor for cardiovascular diseases as well as end-stage of kidney disease. Although blood pressure (BP) control is necessary to prevent deterioration of kidney function, strict BP control may deteriorate kidney function.
Purpose
The present observational study investigated effects of BP levels on the incidence of chronic kidney disease (CKD) in the general population.
Methods
A total of 12,753 subjects with normal kidney function (estimated glomerular filtration rate [eGFR] ≥60 mL/min per 1.73 m2) (male 7,707, mean age 51.8 years) who visited our hospital for an annual physical check-up from April 2010 to March 2018 were enrolled. After baseline examination, subjects were followed up until March 2019 (median 1769 days) with the endpoint being the development of CKD (eGFR<60 mL/min per 1.73 m2). The modified MDRD formula for Japanese was used to calculate eGFR. Hypertension was defined as BP ≥140/90mmHg or the use of antihypertensive medication.
Results
During the follow-up period, 1,604 subjects developed CKD (26.9 per 1,000 person-years) with the incidence being more frequent in hypertensive (n=3,098) than normotensive (n=9,655) subjects at enrollment (44.2 vs. 21.5 per 1,000 person-years, respectively; hazard ratio [95% confidence interval] from multivariate Cox proportional analysis 1.205 [1.061–1.369]). Hazard ratio of systolic BP at baseline was 1.006 [1.002–1.010] in a multivariate Cox proportional hazard regression model adjusted for possible risk factors. The incidence was lower in subjects without hypertension throughout the follow-up period (normotension group, n=7,866) than those who were diagnosed as having hypertension at least once during the period (hypertension group, n=4,887) (23.1 vs. 32.3 per 1,000 person-years, p<0.001). In the normotension group, subjects with average BP <120/80mmHg had lower incidence of CKD than in those with BP ≥120/80mmHg (17.2 vs. 36.1 per 1,000 person-years, p<0.001). In contrast, in the hypertension group, the incidences of CKD in subjects with average BP <120/80, 120–139/80–89 and ≥140/90mmHg were 34.3, 25.8, and 54.4 per 1,000 person-years, respectively (p<0.001). Moreover, in hypertensive subjects under medication (n=2,002) with average BP <120/80, 120–139/80–89 and ≥140/90mmHg, the incidence of CKD was 65.5, 41.3, and 64.3 per 1,000 person-years, respectively (p<0.01).
Conclusions
The incidence of CKD was higher in hypertensive than in normotensive subjects. The lower BP was associated with the lower incidence of CKD in normotensive subjects, while strict BP control may increase the risk of CKD in hypertensive subjects.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- K Ohno
- Enshu Hospital, Hamamatsu, Japan
| | - H Takase
- Enshu Hospital, Hamamatsu, Japan
| | - M Machii
- Enshu Hospital, Hamamatsu, Japan
| | - D Nonaka
- Enshu Hospital, Hamamatsu, Japan
| | | | - T Sugiura
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - N Ohte
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Y Dohi
- Nagoya Gakuin University, Nagoya, Japan
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Takase H, Machii M, Nonaka D, Ohno K, Takayama S, Sugiura T, Ohte N, Dohi Y. Excessive salt intake is a significant predictor for future development of metabolic syndrome in the general population. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.3058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background/Introduction
Dietary salt consumption is one of the most important modifiable factors in our lifestyle and restriction of dietary salt results in the reduction of blood pressure in previous studies. Excessive salt intake causes cardiovascular diseases independently of its effects on blood pressure. Since metabolic syndrome also increases a risk of cardiovascular disease, there may be some association between salt intake and metabolic syndrome.
Purpose
The present study was designed to investigate a possible relationship between salt intake and future development of metabolic syndrome in the general population.
Methods
Consecutive 12,256 subjects without metabolic syndrome (male=7,053, 52.1±12.3 year-old) who visited our hospital for an annual physical check-up from April 2010 to March 2018 were enrolled. After baseline examination, subjects were followed up until March 2019 (median 1,582 days) with the endpoint being the development of metabolic syndrome. Metabolic syndrome was diagnosed according to the Japanese criteria (2005). Individual salt intake was estimated using a spot urine by a previously reported method.
Results
Salt intake was 11.9±3.0 g/day in male and 8.2±2.1 g/day in female subjects at baseline. During the follow-up period, 1,669 subjects developed metabolic syndrome (29.9 per 1,000 person-year) with the incidence being more frequent in male than female subjects (41.8 vs. 14.2 per 1,000 person-year). Non-adjusted hazard ratio (HR) (95% confidence interval [CI]) of salt intake for the development of metabolic syndrome was 1.157 (1.142–1.173). In analysis where subjects were divided into gender-specific quartiles according to the baseline salt intake, Kaplan-Meyer curve analysis revealed that the incidence of metabolic syndrome were increased across the quartiles (20.6, 25.0, 32.4, and 42.7 per 1,000 person-years; logrank p<0.001). Multivariate Cox proportional hazard analysis adjusted for age, gender, body mass index, systolic blood pressure, heart rate, serum creatinine, uric acid, fasting plasma glucose, low-density lipoprotein cholesterol, triglyceride, hemoglobin and current smoking habit at baseline revealed that salt intake predicted the new onset of metabolic syndrome (HR: 1.036, 95% CI: 1.019–1.054).
Conclusions
Excessive salt intake is significantly associated with the new development of metabolic syndrome in the general population. The results suggest that salt restriction prevents metabolic syndrome as well as hypertension leading to cardiovascular diseases.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- H Takase
- Enshu Hospital, Hamamatsu, Japan
| | - M Machii
- Enshu Hospital, Hamamatsu, Japan
| | - D Nonaka
- Enshu Hospital, Hamamatsu, Japan
| | - K Ohno
- Enshu Hospital, Hamamatsu, Japan
| | | | - T Sugiura
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - N Ohte
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Y Dohi
- Nagoya Gakuin University, Nagoya, Japan
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Murai S, Sugiura T, Dohi Y, Takase H, Mizoguchi T, Yamashita S, Seo Y, Fujii S, Ohte N. Arterial stiffness could reflect increased cardiac load and reduced pulmonary function in the general population. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.2371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Pulmonary function is known to decrease with age and reduced pulmonary function has been reported to be associated with all-cause mortality and cardiovascular death. The association between pulmonary impairment and atherosclerosis was reported previously but has not been investigated sufficiently in the general population.
Purpose
We hypothesized that arterial stiffness could reflect increase of cardiac load and reduced pulmonary function. The present study aimed to investigate whether increased cardiac load and reduced pulmonary function could affect arterial stiffness in the general population.
Methods
Subjects undergoing their health check-up were enrolled. Plasma B-type natriuretic peptide (BNP) levels and serum high-sensitivity cardiac troponin I (hs-cTnI) levels were measured to evaluate cardiac load and myocardial damage. Radial augmentation index (rAI) was measured to investigate arterial stiffness using HEM-9000AI device. Subjects with an ST-T segment abnormality on the electrocardiogram, renal insufficiency, cancer, active inflammatory disease, or a history of cardiovascular events and pulmonary disease were excluded. Pulmonary function was assessed using spirometry by calculating forced vital capacity (FVC) as a percentage of predicted value (FVC%-predicted), forced expiratory volume in 1 second (FEV1) as a percentage of predicted value (FEV1%-predicted), and the ratio of FEV1 to FVC (FEV1/FVC).
Results
A total of 1100 subjects aged 57 years were enrolled and their median values of BNP and hs-cTnI were 15.5 and 2.3 pg/ml. The levels of rAI were significantly associated with the levels of BNP after adjustment for possible confounders in multivariate regression analysis, but were not with the levels of hs-TnI. While the parameters of pulmonary function were inversely associated with the levels of rAI and hs-cTnI after adjustment for possible confounders in the multivariate regression analysis, but not with the levels of BNP. The other multivariate regression analyses where BNP, hs-cTnI, parameters of pulmonary function, and the other possible factors were simultaneously included as independent variables revealed that the BNP levels and the FVC%-predicted or FEV1%-predicted, besides age, gender, smoking status, body mass index, blood pressure, heart rate, creatinine, fasting plasma glucose, and triglyceride, were significantly associated with the levels of rAI.
Conclusions
The significant associations of rAI with BNP and pulmonary function were revealed in the general population. These findings support that arterial stiffness could reflect increased cardiac load and reduced pulmonary function, in apparently healthy individuals.
Funding Acknowledgement
Type of funding source: None
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Affiliation(s)
- S Murai
- Nagoya City University Graduate School of Medical Scinece, Nagoya, Japan
| | - T Sugiura
- Nagoya City University Graduate School of Medical Scinece, Nagoya, Japan
| | - Y Dohi
- Nagoya Gakuin University, Department of Internal Medicine, Faculty of Rehabilitation, Seto, Japan
| | - H Takase
- Enshu Hospital, Department of Internal Medicine, Hamamatsu, Japan
| | - T Mizoguchi
- Nagoya City University Graduate School of Medical Scinece, Nagoya, Japan
| | - S Yamashita
- Nagoya City University Graduate School of Medical Scinece, Nagoya, Japan
| | - Y Seo
- Nagoya City University Graduate School of Medical Scinece, Nagoya, Japan
| | - S Fujii
- Asahikawa Medical University, Department of Laboratory Medicine, Asahikawa, Japan
| | - N Ohte
- Nagoya City University Graduate School of Medical Scinece, Nagoya, Japan
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Ohno K, Takase H, Machii M, Nonaka D, Sugiura T, Ohte N, Dohi Y. 1415Dose antihypertensive medication improve accelerated age-dependent decline of GFR in hypertension? Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.0062] [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: 11/12/2022] Open
Abstract
Abstract
Background/Introduction
An impairment of kidney function is a risk not only for end stage renal disease but also for cardiovascular events. Hypertension is known to accelerate an age-dependent decline in glomerular filtration rate (GFR).
Purpose
Effects of antihypertensive medications on yearly changes of estimate GFR (eGFR) in hypertensive patients were investigated.
Methods
Consecutive 5110 subjects (male=3196, 52.3±11.3 year-old) who participated in our physical check-up program during 2010 and 2012 were enrolled and followed up for 5 years. The average and the yearly change of eGFR during the 5 years were calculated in each individual and the both values were compared in hypertensive and normotensive subjects. Effect of antihypertensive medication on eGFR was also investigated. The modified Modification of Diet in Renal Disease study formula for the Japanese population was used for calculating eGFR.
Results
In hypertensive subjects (n=1408), the baseline and the average of eGFR were smaller (74.8±14.6 vs. 80.4±13.6, p<0.001 and 72.1±13.2 vs. 77.9±11.9 mL/min per 1.73 m2, p<0.001, respectively) and the yearly decline of eGFR was greater (0.96±1.41 vs. 0.84±1.19 mL/min per 1.73 m2 per year, p<0.01) than in normotensive subjects (n=3702). The baseline and the average of eGFR were smaller in hypertensive patients with (n=1234) than without (n=174) antihypertensive medication (74.3±14.6 vs. 78.3±13.8, p<0.001 and 71.7±13.2 vs. 74.9±12.7 mL/min per 1.73 m2, p<0.01, respectively). Although the yearly decline of eGFR in hypertensive patients with medication tended to be smaller than the decline in those without medication (0.94±1.41 vs. 1.09±1.42 mL/min per 1.73 m2 per year), this did not reach a statistical significance (p=0.213). Neither the number, classes of antihypertensive medications nor systolic blood pressure during the follow-up period did affect the average or yearly decline of eGFR in hypertensive patients.
Conclusions
As compared to normotensive subjects, eGFR was reduced and a yearly decrease in eGFR during the 5 years was accelerated in hypertensive patients. Although antihypertensive medication may reduce an accelerated age-dependent decline of kidney function in hypertension, observational period in this study was too short to clarify such beneficial effects of antihypertensive medications.
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Affiliation(s)
- K Ohno
- Enshu Hospital, Hamamatsu, Japan
| | - H Takase
- Enshu Hospital, Hamamatsu, Japan
| | - M Machii
- Enshu Hospital, Hamamatsu, Japan
| | - D Nonaka
- Enshu Hospital, Hamamatsu, Japan
| | - T Sugiura
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - N Ohte
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Y Dohi
- Nagoya Gakuin University, Seto, Japan
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Takase H, Machii M, Nonaka D, Ohno K, Sugiura T, Ohte N, Dohi Y. P1545Predictve factor for major adverse cardiovascular events in health check-up participants. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.0307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background/Introduction
Health check-up has been carried out for individual health management. One of its main objectives is the early detection and prevention of major adverse cardiovascular event (MACE).
Purpose
We investigated predictive factors for MACE among clinical test items in health check-up program.
Methods
A total of 13522 subjects (male=8140, 52.8±12.3 year-old at baseline), who visited our hospital for a health check-up between 2008 and 2015, were enrolled. After the baseline examination, they were followed up until December 2016 (median 1827 days) with the endpoint being the incident of MACE. The outcome was confirmed using a questionnaire at health check-up, medical record, telephone, or letter. Possible association between MACE and clinical test items including gender, age, waist circumference, blood pressure, kidney function, fasting plasma glucose, lipid profile, hemoglobin, electrocardiogram (ECG), smoking habit and alcohol consumption was investigated.
Results
During the follow-up period, MACE occurred in 196 subjects (3.03 per 1000 person-year), with the incidence being more frequent in male than female subjects (4.07 vs. 1.42 per 1000 person-year). Multivariate Cox-hazard analysis demonstrated that male gender (hazard ratio [HR] = 2.457, 95% confidence intervals [CI] = 1.498–4.028), age (HR = 1.056, 95% CI = 1.040–1.071), waist circumference (HR = 1.023, 95% CI = 1.004–1.042), systolic blood pressure (HR = 1.015, 95% CI = 1.005–1.024), hemoglobin (HR = 0.868, 95% CI = 0.758–0.994) and Sokolow–Lyon voltage in the ECG (HR = 1.227, 95% CI = 1.033–1.458) were significant predictors for MACE. However, in a model where B-type natriuretic peptide (BNP) was also added as an independent variable, BNP (HR = 2.593, 95% CI = 1.602–4.196) was the strongest predictor for MACE.
Conclusions
In participants underwent health check-up, systolic blood pressure and hemoglobin as well as age and gender were the risk factors of MACE. Appropriate control of blood pressure and treatment of anemia may be useful for the prevention of MACE. Measurement of BNP may give us additional important information associated with future MACE.
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Affiliation(s)
- H Takase
- Enshu Hospital, Hamamatsu, Japan
| | - M Machii
- Enshu Hospital, Hamamatsu, Japan
| | - D Nonaka
- Enshu Hospital, Hamamatsu, Japan
| | - K Ohno
- Enshu Hospital, Hamamatsu, Japan
| | - T Sugiura
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - N Ohte
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Y Dohi
- Nagoya Gakuin University, Seto, Japan
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Abdelgied M, El-Gazzar A, Alexander D, Alexander W, Numano T, Iigo M, Naiki A, Abdelhamid M, Takase H, Hirose A, Taquahashi Y, Kanno J, Takahashi S, Tsuda H. Potassium octatitanate fibers are possibly carcinogenic in male Fischer 344 rats. Toxicol Lett 2018. [DOI: 10.1016/j.toxlet.2018.06.901] [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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13
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Takase H, Machii M, Nonaka D, Ohno K, Sugiura T, Ohte N, Dohi Y. P1899Relationship between dietary salt intake and atrial fibrillation in the general population. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p1899] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- H Takase
- Enshu Hospital, Hamamatsu, Japan
| | - M Machii
- Enshu Hospital, Hamamatsu, Japan
| | - D Nonaka
- Enshu Hospital, Hamamatsu, Japan
| | - K Ohno
- Enshu Hospital, Hamamatsu, Japan
| | - T Sugiura
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - N Ohte
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Y Dohi
- Nagoya Gakuin University, Seto, Japan
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14
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Takase H, Machii M, Nonaka D, Ohno K, Sugiura T, Ohte N, Dohi Y. 112Does blood pressure variability in normotensive individuals predict the development of hypertension? Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- H Takase
- Enshu Hospital, Hamamatsu, Japan
| | - M Machii
- Enshu Hospital, Hamamatsu, Japan
| | - D Nonaka
- Enshu Hospital, Hamamatsu, Japan
| | - K Ohno
- Enshu Hospital, Hamamatsu, Japan
| | - T Sugiura
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - N Ohte
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Y Dohi
- Nagoya Gakuin University, Seto, Japan
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Nonaka D, Takase H, Machii M, Ohno K. P5627Utility of longitudinal peak systolic strain by speckle tracking for the evaluation of myocardial viability and severity after acute coronary syndrome. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p5627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- D Nonaka
- Enshu Hospital, Cardiology, Hamamatsu, Japan
| | - H Takase
- Enshu Hospital, Cardiology, Hamamatsu, Japan
| | - M Machii
- Enshu Hospital, Cardiology, Hamamatsu, Japan
| | - K Ohno
- Enshu Hospital, Cardiology, Hamamatsu, Japan
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Sugiura T, Dohi Y, Takase H, Fujii S, Ohte N. P624QRS voltage and duration in the resting electrocardiogram are associated with circulating concentrations of high-sensitivity cardiac troponin I in the general population. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- T Sugiura
- Nagoya City University Graduate School of Medical Scinece, Nagoya, Japan
| | - Y Dohi
- Nagoya Gakuin University, Department of Internal Medicine, Faculty of Rehabilitation, Seto, Japan
| | - H Takase
- Enshu Hospital, Department of Internal Medicine, Hamamatsu, Japan
| | - S Fujii
- Asahikawa Medical University, Department of Laboratory Medicine, Asahikawa, Japan
| | - N Ohte
- Nagoya City University Graduate School of Medical Scinece, Nagoya, Japan
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Ohno K, Takase H, Machii M, Nonaka D, Sugiura T, Ohte N, Dohi Y. P1275Obesity is associated with the development of hypertension in high school students. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.p1275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- K Ohno
- Enshu Hospital, Hamamatsu, Japan
| | - H Takase
- Enshu Hospital, Hamamatsu, Japan
| | - M Machii
- Enshu Hospital, Hamamatsu, Japan
| | - D Nonaka
- Enshu Hospital, Hamamatsu, Japan
| | - T Sugiura
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - N Ohte
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Y Dohi
- Nagoya Gakuin University, Seto, Japan
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Sugiura T, Dohi Y, Takase H, Fujii S, Ohte N. P729Differential effects of peripheral and central blood pressures on circulating levels of high-sensitivity cardiac troponin I. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy564.p729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- T Sugiura
- Nagoya City University Graduate School of Medical Scinece, Nagoya, Japan
| | - Y Dohi
- Nagoya Gakuin University, Department of Internal Medicine, Faculty of Rehabilitation, Seto, Japan
| | - H Takase
- Enshu Hospital, Department of Internal Medicine, Hamamatsu, Japan
| | - S Fujii
- Asahikawa Medical University, Department of Laboratory Medicine, Asahikawa, Japan
| | - N Ohte
- Nagoya City University Graduate School of Medical Scinece, Nagoya, Japan
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Ohno K, Takase H, Machii M, Nonaka D, Sugiura T, Ohte N, Dohi Y. 1413The relationship between dietary salt intake and blood pressure control in hypertensive individuals under antihypertensive treatment; 7 years observation. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy565.1413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- K Ohno
- Enshu Hospital, Hamamatsu, Japan
| | - H Takase
- Enshu Hospital, Hamamatsu, Japan
| | - M Machii
- Enshu Hospital, Hamamatsu, Japan
| | - D Nonaka
- Enshu Hospital, Hamamatsu, Japan
| | - T Sugiura
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - N Ohte
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Y Dohi
- Nagoya Gakuin University, Seto, Japan
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20
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Takase H, Machii M, Nonaka D, Ohno K, Sugiura T, Ohte N, Dohi Y. P3800Fifteen years changes of uric acid level and prevalence of hyperuricemia in hypertensive subjects. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy563.p3800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- H Takase
- Enshu Hospital, Hamamatsu, Japan
| | - M Machii
- Enshu Hospital, Hamamatsu, Japan
| | - D Nonaka
- Enshu Hospital, Hamamatsu, Japan
| | - K Ohno
- Enshu Hospital, Hamamatsu, Japan
| | - T Sugiura
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - N Ohte
- Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Y Dohi
- Nagoya Gakuin University, Seto, Japan
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21
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Takase H, Machii M, Nonaka D, Sugiura T, Yamashita S, Ohte N, Dohi Y. P1349Central blood pressure predicts the development of hypertension and contributes to an increase in brachial blood pressure in the general population. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p1349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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22
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Sugiura T, Dohi Y, Takase H, Yamashita S, Tanaka Y, Ohte N. P6218Serum levels of Mac-2 binding protein reflect silent atherosclerosis. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p6218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Sugiura T, Dohi Y, Takase H, Yamashita S, Fujii S, Ohte N. P4427Oxidative stress is closely associated with increased arterial stiffness, especially in male smokers without previous cardiovascular events. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx504.p4427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Takase H, Machii M, Nonaka D, Sugiura T, Yamashita S, Ohte N, Dohi Y. P4426Does airflow limitation predict the future hypertension in the normotensive general population? Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx504.p4426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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25
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Takase H, Machii M, Nonaka D, Sugiura T, Ohte N, Dohi Y. P3559Close relationship between the number of antihypertensive medications and the prevalence of metabolic syndrome in hypertensive subjects. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx504.p3559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Murai S, Takase H, Sugiura T, Ohte N, Dohi Y. P4552Recent changes of blood pressure levels, the prevalence and treatment rate of hypertension, and the accomplishment rate of the target blood pressure in the elderly person. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx504.p4552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Wassmuth R, Hristova K, Monney P, Olander RFW, Rodriguez Munoz D, Huayan X, Pagourelias E, Loardi C, Moreno J, Miljkovic T, Takase H, Latet SC, Henquin R, America R, Carter-Storch R, Panelo ML, Fernandez-Golfin C, Cho IJ, Petrini J, Buonauro A, Liu B, Mapelli M, Tamulenaite E, De Chiara B, Minden H, Kostova V, Nesheva N, Katova TZ, Bojadzhiev L, Crisinel V, Reverdin S, Conti L, Mach F, Mueller H, Jeanrenaud X, Bochud M, Ehret G, Sundholm JKM, Ojala T, Andersson S, Sarkola T, Moya Mur JL, Berlot B, Fernandez-Golfin C, Moreno Planas J, Casas Rojo E, Garcia Martin A, Jimenez Nacher JJ, Hernandez-Madrid A, Franco Diez E, Matia Frances R, Zamorano JL, Zhigang YANG, Yingkun GUO, Jing CHEN, Duchenne J, Mirea O, Triantafyllis A, Michalski B, Vovas G, Delforge M, Van Cleemput J, Bogaert J, Voigt JU, Saccocci M, Tamborini G, Veglia F, Pepi M, Alamanni F, Zanobini M, Zuniga Sedano JJ, Alexanderson E, Martinez C, Bjelobrk M, Pavlovic K, Ilic A, Colakovic S, Dodic S, Tanaka T, Machii M, Nonaka D, Van Herck PL, Claeys MJ, Haine SE, Miljoen HP, Segers VF, Vandendriessche TR, De Winter BY, Hoymans VY, Vrints CJ, Lombardero M, Perea G, Miele MM, De Amicis DAV, Mannacio VAM, Dahl JS, Christensen NL, Soendergaard EV, Marcussen N, Moeller JE, Fernandez-Palomeque C, Garcia-Vega D, Mont-Girbau L, Pardo A, Izurieta C, Boretti I, Hinojar R, Gonzalez-Gomez A, Garcia Martin A, Casas E, Salido L, Barrios V, Ruiz S, Moya JL, Hernandez Antolin R, Jimenez Nacher JL, Zamorano JL, Chang HJ, Choi HH, Lee SY, Shim CY, Ha JW, Chung N, Ring M, Caidahl K, Eriksson MJ, Esposito R, Santoro C, Monteagudo JM, Trimarco B, Galderisi M, Zamorano JL, Baig S, Hayer M, Steeds R, Edwards N, Fusini L, Zagni P, Muratori M, Agostoni P, Tamborini G, Gripari P, Ghulam Ali S, Pepi M, Fiorentini C, Valuckiene Z, Jurkevicius R, Peritore A, Botta L, Belli O, Musca F, Casadei F, Russo C, Giannattasio C, Moreo A. Poster Session 6Assessment of morphology and functionP1222Multimodality imaging for left atrial appendage occluder sizingP1223Longitudinal left atrial strain is a main predictor for long term prognosis on atrial fibrillation after CABG operation patientsP1224Comparison of 2D and 3D left ventricular volumes measurements: results from the SKIPOGH II studyP1225Adjusting for thoracic circumference is superior to body surface area in the assessment of neonatal cardiac dimensions in foetal growth abnormalityP1226Maximal vortex suction pressure: an equivocal marker for optimization of atrio-ventricular delayP1227Volume-time curve of cardiac magnetic resonance assessed left ventricular dysfunction in coronary artery disease patients with type 2 diabetes mellitusP1228Thickness matters, but not in the same way for all strain parametersP1229Digging deeper in postoperative modifications of right ventricular function: impact of pericardial approach and cardioplegiaP1230Left atrial function evaluated by 2D-speckle tracking echocardiography in diabetes mellitus populationP1231The influence of arterial hypertension duration on left ventricular diastolic parameters in patients with well regulated arterial blood pressureP1232Investigation of factors affecting left ventricular diastolic dysfunction determined using mitral annulus velocityP1233High regulatory T-lymphocytes after ST-elevation myocardial infarction relate with adverse left ventricular remodelling assessed by 3D-echocardiographyP1234Prevalence of paradoxical low flow/low gradient severe aortic stenosis measure with 3 dimensional transesophageal echocardiographyP1235Coronary microvascular and diastolic dysfunctions after aortic valve replacement: comparison between mechanical and biological prosthesesP1236Normal-flow, low gradient aortic stenosis is common in a population of patients with severe aortic valve stenosis undergoing aortic valve replacementP1237Analysis of validity and reproducibility of calcium burden visual estimation by echocardiographyP12383D full automatic software in the evaluation of aortic stenosis severity in TAVI patients. Preliminary resultsP1239Differential impact of net atrioventricular compliance on clinical outcomes in patients with mitral stenosis according to cardiac rhythmP1240Aortic regurgitation affects the intima-media thickness of the right and left common carotid artery differentlyP1241Global longitudinal strain: an hallmark of cardiac damage in mitral valve regurgitation. Experience from the european registry of mitral regurgitationP1242Echocardiographic characterisation of Barlow's disease versus fibroelastic deficiencyP1243Echocardiographic screening for rheumatic heart disease in a ugandan orphanage - feasibility and outcomesP1244Alterations in right ventricular mechanics upon follow-up period in patients with persistent ischemic mitral regurgitation after inferoposterior myocardial infarctionP1245Ten-years conventional mitral surgery in patients with mitral regurgitation and left ventricular dysfunction: clinical and echocardiographic outcomes. Eur Heart J Cardiovasc Imaging 2016. [DOI: 10.1093/ehjci/jew266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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28
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Wight E, Küng CF, Moreau P, Takase H, Bersinger NA, Lüscher TF. Aging, Serum Estradiol Levels, and Pregnancy Differentially Affect Vascular Reactivity of the Rat Uterine Artery. ACTA ACUST UNITED AC 2016. [DOI: 10.1177/107155760000700205] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
| | | | | | | | | | - T. F. Lüscher
- Department of Obstetrics and Gynecology and Cardiology, University HOspital Zurich and Cardiovascular Research, Cardiology, Inselspital/University Hospital, Bern; University Clinic for Obstetrics and Gynecology, Bern, Switzerland
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Takase H. Choroidal thickness in acute and convalescent VKH disease. Acta Ophthalmol 2015. [DOI: 10.1111/j.1755-3768.2015.0237] [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: 11/27/2022]
Affiliation(s)
- H. Takase
- Department of Ophthalmology & Visual Science; Tokyo Medical and Dental University (TMDU); Tokyo Japan
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Nakamura M, Tobita K, Gulden W, Watanabe K, Someya Y, Tanigawa H, Sakamoto Y, Araki T, Matsumiya H, Ishii K, Utoh H, Takase H, Hayashi T, Satou A, Yonomoto T, Federici G, Okano K. Study of safety features and accident scenarios in a fusion DEMO reactor. Fusion Engineering and Design 2014. [DOI: 10.1016/j.fusengdes.2014.04.062] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Takase H, Sueta T, Nakagawa T, Futagami K. Irsogladine Maleate Prevents Oral Candidiasis Associated with Radiotherapy in Patients with Head and Neck Cancer. Ann Oncol 2013. [DOI: 10.1093/annonc/mdt460.123] [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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32
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Takase H, Dohi Y. Does the ratio of eicosapentaenoic acid to arachidonic acid predict carotid intima-media thickness in the general population? Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht309.p4186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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33
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Takase H, Okado T, Tanaka T, Hashimoto T, Hayashi H, Dohi Y. Seasonal changes of 24-hour salt intakes estimated by spot urine in an outpatient clinic. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht309.p3241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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34
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Takase H, Okado T, Tanaka T, Hashimoto T, Toriyama T, Hayashi H, Dohi Y. Survey of 24-hour salt intake estimated by spot urine in Japanese general population; changes during 5 years. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht308.p2507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Suwa K, Satoh H, Sano M, Saotome M, Katoh H, Wakabayashi Y, Tawarahara K, Takase H, Terada H, Hayashi H. Functional, morphologic and electrocardiographic abnormalities in patients with apical hypertrophic cardiomyopathy and apical aneurysm: estimation with cardiac magnetic resonance. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht309.p2998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Takase H, Sueta T, Nakagawa T, Futagami K. Irsogladine Maleate Prevents Oral Mucositis Associated with Radiotherapy in Patients with Head and Neck Cancer. Ann Oncol 2012. [DOI: 10.1016/s0923-7534(20)32222-5] [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] Open
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Liu C, Tobita K, Someya Y, Utoh H, Takase H, Asakura N. TBR comparison of water-cooled blanket based on PWR and SCWR water conditions. Fusion Engineering and Design 2012. [DOI: 10.1016/j.fusengdes.2012.07.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Liu C, Tobita K, Utoh H, Someya Y, Takase H, Asakura N. Nuclear analysis of DEMO water-cooled blanket based on sub-critical water condition. Fusion Engineering and Design 2011. [DOI: 10.1016/j.fusengdes.2011.05.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Tobita K, Utoh U, Kakudate S, Takase H, Asakura N, Someya Y, Liu C. Maintenance concept for the SlimCS DEMO reactor. Fusion Engineering and Design 2011. [DOI: 10.1016/j.fusengdes.2011.03.022] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Takase H, Dohi Y, Toriyama T, Okado T, Tanaka S, Sonoda H, Sato K, Kimura G. Brachial-ankle pulse wave velocity predicts increase in blood pressure and onset of hypertension. Am J Hypertens 2011; 24:667-73. [PMID: 21331056 DOI: 10.1038/ajh.2011.19] [Citation(s) in RCA: 86] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND The present study was designed to test the hypothesis that brachial-ankle pulse wave velocity (baPWV) predicts longitudinal increases in blood pressure (BP) and new onset of hypertension in individuals with normal BP. METHODS baPWV was measured using a semiautomated device in 2,496 participants (27-84 years) without hypertension who visited our hospital for a yearly health check-up. They were followed up for 4 years with the endpoint being development of hypertension. RESULTS During the follow-up period (median, 733 days; actual follow-up, 5,215 person-years), hypertension developed in 698 participants (133.8/1,000 person-years). Kaplan-Meier analysis revealed that risk for hypertension was increased across the tertiles of baseline baPWV. The hazard ratio (first tertile as reference) was 2.02 (95% confidence interval (CI) 1.55-2.64) and 3.49 (95% CI 2.66-4.57) in the second and third tertiles, respectively, after adjustment for possible risk factors. Multivariate Cox proportional hazard regression analysis adjusted for known risk factors, where baPWV was used as a continuous variable, also indicated that the baseline value of baPWV independently predicted new onset of hypertension (P < 0.001). Furthermore, baseline baPWV was significantly associated with a longitudinal increase in BP after adjustment for known risk factors in multiple regression analysis (P < 0.001). CONCLUSION This study provides the first evidence that baPWV is an independent predictor of longitudinal increases in BP as well as of new onset of hypertension.
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Takase H, Dohi Y, Toriyama T, Okado T, Tanaka S, Shinbo H, Kimura G. B-type natriuretic peptide levels and cardiovascular risk in patients with diastolic dysfunction on chronic haemodialysis: cross-sectional and observational studies. Nephrol Dial Transplant 2010; 26:683-90. [DOI: 10.1093/ndt/gfq408] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Yamada Y, Sugita S, Tanaka H, Kamoi K, Takase H, Mochizuki M. Timing of recurrent uveitis in patients with Behcet's disease receiving infliximab treatment. Br J Ophthalmol 2010; 95:205-8. [DOI: 10.1136/bjo.2009.168856] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Takase H, Yano S, Yamaguchi T, Kanazawa I, Hayashi K, Yamamoto M, Yamauchi M, Sugimoto T. Parathyroid hormone upregulates BMP-2 mRNA expression through mevalonate kinase and Rho kinase inhibition in osteoblastic MC3T3-E1 cells. Horm Metab Res 2009; 41:861-5. [PMID: 19672814 DOI: 10.1055/s-0029-1233460] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
It is well known that parathyroid hormone (PTH) possesses an anabolic effect on bone. However, the mechanisms are not fully elucidated. So far, it is unclear whether or not PTH could stimulate the expression of bone morphogenetic protein-2 (BMP-2), a strong mediator for bone formation. Growing evidence suggests that BMP-2 expression is regulated by the mevalonate pathway and Rho-associated protein kinase (ROK) activity. This study was performed to examine if PTH affects BMP-2 expression and to clarify its involvement of the mevalonate pathway. Osteoblastic MC3T3-E1 cells were treated with human PTH-(1-34) to determine BMP-2 mRNA expression levels by real-time PCR and to measure the ROK activity by the kinase assay. Incubation with 10 (-9)-10 (-8) M of hPTH-(1-34) for 6 h induced significant upregulation of BMP-2 mRNA levels in MC3T3-E1 cells. Short-term treatment of hPTH-(1-34) suppressed Rho kinase activity and mevalonate kinase mRNA levels. PTH-induced BMP-2 mRNA upregulation was selectively reversed by geranylgeranyl pyrophosphate (GGPP) pretreatment, but not by mevalonate pretreatment. These findings suggest that BMP-2 mRNA expression was upregulated by PTH in MC3T3-E1 cells mediated by mevalonate pathway suppression followed by ROK inhibition. We have now demonstrated for the first time that PTH stimulated BMP-2 mRNA expression via the mevalonate pathway and ROK in osteoblastic MC3T3-E1 cells.
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Affiliation(s)
- H Takase
- Shimane University Faculty of Medicine, Department of Internal Medicine 1, Enya-cho, 693-8501 Izumo, Japan
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Hibi M, Takase H, Yasunaga K, Yamaguchi T, Shiiba D, Saito S, Yokoyama R, Kudo N, Katsuragi Y, Meguro S, Shimizu A, Tokimitsu I. Greater fat oxidation with diacylglycerol oil consumption for 14 days compared with triacylglycerol oil consumption in overweight men and women. Int J Obes (Lond) 2008; 32:1841-7. [PMID: 18936764 DOI: 10.1038/ijo.2008.197] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [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: 01/01/2023]
Abstract
BACKGROUND Several studies have reported increased fat oxidation with diacylglycerol (DAG) oil consumption. However, the effects of long-term DAG oil consumption on energy metabolism remain to be investigated. OBJECTIVE The objective of this study was to compare the effects of 14 days of either DAG or triacylglycerol (TAG) oil consumption on substrate oxidation, energy expenditure (EE) and dietary fat oxidation. DESIGN Eight males and six females participated in this randomized, double-blind, crossover feeding study. Each patient consumed the 14-day controlled test diet containing either 10 g day(-1) of DAG or TAG oil for acclimatization before a respiratory chamber measurement, followed by a 2-week washout period between diet treatments. Substrate oxidation and EE were measured in the respiratory chamber at the end of each dietary treatment. The patients consumed test oil as 15% of total caloric intake in the respiratory chamber (mean test oil intake was 36.1+/-6.6 g day(-1)). RESULTS Twenty-four hour fat oxidation was significantly greater with 14 days of DAG oil consumption compared with TAG oil consumption (78.6+/-19.6 and 72.6+/-14.9 g day(-1), respectively, P<0.05). There were no differences in body weight or body composition between diet treatments. Dietary fat oxidation was determined using the recovery rate of (13)CO(2) in breath, and was significantly enhanced with DAG oil consumption compared with TAG oil consumption, measured over 22 h after ingestion of (13)C-labelled triolein. Resting metabolic rate (RMR) was significantly greater with DAG oil consumption compared with TAG oil consumption (1766+/-337 and 1680+/-316 kcal day(-1), respectively, P<0.05). CONCLUSION Consumption of DAG oil for 14 days stimulates both fat oxidation and RMR compared with TAG oil consumption, which may explain the greater loss of body weight and body fat with DAG oil consumption that has been observed in weight-loss studies.
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Affiliation(s)
- M Hibi
- Health Care Food Research Laboratories, Kao Corporation, Sumida-ku, Tokyo, Japan.
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Toriyama T, Takase H, Goto T, Sugiura T, Nakazawa A, Hayashi K, Ishikawa H, Hikita Y, Ueda R, Dohi Y. Coronary artery disease investigated using 99mTc-tetrofosmin myocardial SPECT. Eur J Clin Invest 2007; 37:478-82. [PMID: 17537155 DOI: 10.1111/j.1365-2362.2007.01815.x] [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] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Coronary artery disease can be diagnosed from stress and delayed images of myocardial single photon emission computed tomography (SPECT) using technetium-99 m-tetrofosmin (TcTF). However, the negative predictive value of stress SPECT images after a single injection of a low tracer dose remains unknown. Thus, the present study investigates whether normal stress SPECT results predict event-free survival. MATERIALS AND METHODS We screened 302 consecutive patients who were randomly assigned to two groups for myocardial ischaemia using either stress SPECT with a low dose of TcTF (296 MBq, TcTF group, n = 150) or stress together with rest SPECT using thallium(201) chloride (TlCl, 111 MBq; TlCl group, n = 152) as the tracer. A total of 80 patients with abnormal SPECT findings were excluded and the remaining 222 with normal results (age, 66.5 +/- 0.7 years; TcTF/TlCl, 112/110) were enrolled in the present study and followed up for 401 +/- 9 days, with the endpoint being ischaemic cardiac events. RESULTS The incidence of cardiac events did not differ between the two groups (0.9% and 0.0% in TcTF and TlCl groups, respectively). The cost and duration of TcTF and TlCl SPECT examinations were about 425 and 603 Euros and 50 and 280 min, respectively. CONCLUSIONS The negative predictive values of stress SPECT using a low dose of TcTF and of combined stress and rest SPECT using TlCl did not differ and both were clinically acceptable. Thus, stress SPECT using low dose TcTF is useful in screening patients for myocardial ischaemia.
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Affiliation(s)
- T Toriyama
- Department of Internal Medicine, Enshu Hospital, Hamamatsu, Japan
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Abstract
BACKGROUND Plasma brain natriuretic peptide (BNP) is elevated in asymptomatic patients with various cardiac abnormalities. We tested the hypothesis that measuring BNP is useful for detecting asymptomatic patients with cardiac abnormalities who are not identified by conventional health check-up programmes. MATERIALS AND METHODS From 2001 to 2002, 6189 subjects (women 34.0%; mean age 56.6 years) underwent multiphasic health check-ups in our hospital, of which 4818 without cardiac abnormalities as revealed by the health check-up were enrolled in the present study. Their plasma concentrations of BNP were measured. RESULTS Plasma concentrations of BNP were higher than the normal reference upper limit of our hospital (21.3 pg mL(-1)) in 925 of the 4818 subjects. Echocardiography was performed in 471 subjects who were randomly selected from the 925 subjects with elevated BNP. Abnormal findings were detected in 174 subjects, comprising valvular heart disease in 83, systolic dysfunction in 10, diastolic dysfunction in 54, left ventricular hypertrophy in 41, left ventricular enlargement in 11, left atrial enlargement in 13 and paroxysmal atrial fibrillation in 3. CONCLUSIONS Since BNP measurement identifies additional subjects with cardiac abnormalities, it is useful for detecting asymptomatic cardiac abnormalities among apparently healthy subjects, and is suitable for use in high-quality mass screening.
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Affiliation(s)
- H Takase
- Department of Internal Medicine, Enshu General Hospital, 144-6 Tokiwa-cho, Hamamatsu, Shizuoka 430-0917, Japan.
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Sugita S, Takase H, Yoshida T, Sugamoto Y, Watanabe T, Mochizuki M. Intraocular soluble IL-2 receptor alpha in a patient with adult T cell leukaemia with intraocular invasion. Br J Ophthalmol 2006; 90:1204-6. [PMID: 16929066 PMCID: PMC1857395 DOI: 10.1136/bjo.2006.092809] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Takase H, Sugita S, Taguchi C, Imai Y, Mochizuki M. Capacity of ocular infiltrating T helper type 1 cells of patients with non-infectious uveitis to produce chemokines. Br J Ophthalmol 2006; 90:765-8. [PMID: 16464967 PMCID: PMC1860196 DOI: 10.1136/bjo.2005.087353] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND/AIMS Chemokines are key molecules that initiate leucocyte infiltration to the inflammatory site. The involvement of chemokines in uveitis is well studied, yet the source of this molecule in the inflamed eye is not clearly identified. The possible sources of chemokines are ocular resident cells or the inflammatory cells infiltrated to the eye. Here the authors examined whether ocular infiltrating T cells of uveitis patients do produce chemokines. METHODS T cell clones (TCCs) were established from ocular infiltrating cells of patients with non-infectious uveitis. TCCs were characterised using flow cytometry. Spontaneous production of chemokines by TCCs was evaluated by ELISA. RESULTS TCCs from ocular infiltrating cells were revealed to be memory activated Th1 type CD4 positive cells. Those TCCs produced larger amounts of chemokines than TCCs from peripheral blood mononuclear cells of uveitis or healthy donors. CONCLUSIONS The present data indicate that ocular infiltrating T cells of patients with non-infectious uveitis produce chemokines and recruit further infiltrating lymphoid cells. Such T cells may have roles in the prolonged/chronic state of non-infectious uveitis.
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Affiliation(s)
- H Takase
- Department of Ophthalmology and Visual Science, Tokyo Medical and Dental University Graduate School, 1-5-45, Yushima, Bunkyo-ku, Tokyo 113-8519, Japan.
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Takase H, Yu CR, Liu X, Fujimoto C, Gery I, Egwuagu CE. Induction of suppressors of cytokine signaling (SOCS) in the retina during experimental autoimmune uveitis (EAU): potential neuroprotective role of SOCS proteins. J Neuroimmunol 2006; 168:118-27. [PMID: 16154209 DOI: 10.1016/j.jneuroim.2005.07.021] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2005] [Accepted: 07/15/2005] [Indexed: 10/25/2022]
Abstract
Suppressors of cytokine signaling (SOCS) are implicated in immunopathogenic mechanisms of autoimmune diseases. We show here that SOCS expression in retina is temporarily correlated with progression of experimental autoimmune uveitis (EAU), an organ-specific autoimmune disease that serves as model of human uveitis. Peak of EAU correlates with highest SOCS genes expression while disease resolution coincides with their down-regulation. Surprisingly, SOCS5 is constitutively expressed in retina. SOCS5 expression increases significantly during EAU and remains elevated even after disease resolution. Our data suggest that cytokine-inducible SOCS members may be involved in negative regulation of inflammatory cytokines activities during EAU, while constitutively expressed SOCS5 may have neuroprotective functions.
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Affiliation(s)
- H Takase
- Experimental Immunology Section, Laboratory of Immunology, National Eye Institute, National Institutes of Health, Building 10, Room 10N116, 10 Center Drive, Bethesda, Maryland 20892-1857, USA
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Takase H, Hashimoto A, Okutsu R, Hirose Y, Ito H, Imaizumi T, Miyakoda G, Mori T. We-P11:219 Beneficial effect of cilostazol on atherosclerosis development in apolipoprotein-E knockout mice. ATHEROSCLEROSIS SUPP 2006. [DOI: 10.1016/s1567-5688(06)81572-2] [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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