研究者詳細 - 岡村　智教

論文 - 岡村　智教

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Prognostic significance of endogenous erythropoietin in long-term outcome of patients with acute decompensated heart failure.

Nagai T, Nishimura K, Honma T, Higashiyama A, Sugano Y, Nakai M, Honda S, Iwakami N, Okada A, Kawakami S, Kanaya T, Asaumi Y, Aiba T, Nishida Y, Kubota Y, Sugiyama D, Okamura T, Noguchi T, Kusano K, Ogawa H, Yasuda S, Anzai T, NaDEF investigators.

European journal of heart failure 18 （ 7 ） 803 - 813 2016年07月

研究論文（学術雑誌）, ISSN 1388-9842

Aims: Although previous reports suggest that an elevated endogenous erythropoietin (EPO) level is associated with worse clinical outcomes in chronic heart failure (HF) patients, the prognostic implication of EPO in patients with acute decompensated HF (ADHF) and underlying mechanisms of the high EPO level in severe HF patients who have a poor prognosis remain unclear. Methods and results: We examined 539 consecutive ADHF patients with EPO measurement on admission from our registry. During a median follow-up period of 329 days, a higher EPO level on admission was independently associated with worse clinical outcomes [hazard ratio (HR) 1.25, 95% confidence interval (CI) 1.06–1.48, P = 0.008], and haemoglobin level was the strongest determinant of EPO level (P <0.001), whereas estimated glomerular filtration rate (eGFR) was not significant in multivariate regression analysis. In the anaemic subgroup of 318 patients, a higher EPO level than expected on the basis of their haemoglobin level was related to increased adverse events (HR 1.63, 95% CI 1.05–2.49, P = 0.028). Moreover, estimated plasma volume excess rate was positively associated with EPO level (P = 0.003), and anaemic patients with a higher than expected EPO level tended to have a higher estimated plasma volume excess rate and plasma lactate level, and lower systemic oxygen saturation level with the preservation of the reticulocyte production index than those with a lower than expected EPO level. Conclusion: A high EPO level predicts long-term worse clinical outcomes in ADHF patients, independent of anaemia and impaired renal function. Anaemia and hypoxia due to severe congestion may synergistically contribute to a high EPO level in high-risk HF patients.

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Impact of hypertension on the lifetime risk of coronary heart disease.

Turin TC, Okamura T, Afzal AR, Rumana N, Watanabe M, Higashiyama A, Nakao YM, Nakai M, Takegami M, Nishimura K, Kokubo Y, Okayama A, Miyamoto Y

Hypertension research : official journal of the Japanese Society of Hypertension 39 （ 7 ） 548 - 551 2016年07月

研究論文（学術雑誌）, ISSN 0916-9636

The lifetime risk estimate conveys the probability of disease in the remaining lifetime for an index age. These estimates may be useful for general audience-targeted knowledge translation activities against hypertension. There are only a few reports on the impact of hypertension on the lifetime risk of cardiovascular events. The Suita Study, a cohort study of urban residents, was established in 1989. We included all participants who were coronary heart disease (CHD) free at baseline. Age (in years) was used as the timescale. Age-specific incidence rates were calculated with the person-year method within 5-year bands. We estimated the sex- and index-age-specific lifetime risk of first-ever CHD, taking the competing risk of death into account. We followed 5834 participants from 1989 to 2007 for a total of 75 387.5 person-years. At age 45 years, the competing risk of death-adjusted lifetime risk for all CHD for men was 14.12% for normotensive men and 26.95% for hypertensive men. The competing risk of death-adjusted lifetime risk for all CHD at 45 years of age for women was 6.21% for normotensive women and 14.85% for hypertensive women. This increased lifetime risk of CHD for hypertensive patients was observed among both men and women across all index ages. Although the overall lifetime risk of CHD was lower than in the Western population, hypertension showed a significant effect on the residual lifetime risk of CHD among Japanese middle-aged men and women. This easy-to-understand knowledge may be used as an important index to assist public health education and planning.

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Erratum to: Metabolomic profiling reveals novel biomarkers of alcohol intake and alcohol-induced liver injury in community-dwelling men.

Harada S, Takebayashi T, Kurihara A, Akiyama M, Suzuki A, Hatakeyama Y, Sugiyama D, Kuwabara K, Takeuchi A, Okamura T, Nishiwaki Y, Tanaka T, Hirayama A, Sugimoto M, Soga T, Tomita M

Environmental health and preventive medicine 21 （ 4 ） 283 - 284 2016年07月

研究論文（学術雑誌）, ISSN 1342-078X

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Erratum to: Metabolomic profiling reveals novel biomarkers of alcohol intake and alcohol-induced liver injury in community-dwelling men.

Harada S, Takebayashi T, Kurihara A, Akiyama M, Suzuki A, Hatakeyama Y, Sugiyama D, Kuwabara K, Takeuchi A, Okamura T, Nishiwaki Y, Tanaka T, Hirayama A, Sugimoto M, Soga T, Tomita M

Environmental health and preventive medicine 21 （ 4 ） 283 - 284 2016年07月

研究論文（学術雑誌）, ISSN 1342-078X

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NIPPON DATA (National Integrated Project for Prospective Observation of Non-communicable Disease and its Trends in the Aged)

Okamura Tomonori

Nihon rinsho. Japanese journal of clinical medicine 74 Pt 1 685 - 690 2016年06月

ISSN 0047-1852

[NIPPON DATA (National Integrated Project for Prospective Observation of Non-communicable Disease and its Trends in the Aged)].

Okamura T

Nihon rinsho. Japanese journal of clinical medicine 74 Suppl 4 Pt 1 685 - 90 2016年06月

研究論文（学術雑誌）, ISSN 0047-1852

[NIPPON DATA (National Integrated Project for Prospective Observation of Non-communicable Disease and its Trends in the Aged)].

Okamura T

Nihon rinsho. Japanese journal of clinical medicine 74 Suppl 4 Pt 1 685 - 90 2016年06月

研究論文（学術雑誌）, ISSN 0047-1852

Independent Prognostic Value of Single and Multiple Non-Specific 12-Lead Electrocardiographic Findings for Long-Term Cardiovascular Outcomes: A Prospective Cohort Study.

Sawano M, Kohsaka S, Okamura T, Inohara T, Sugiyama D, Shiraishi Y, Watanabe M, Nakamura Y, Higashiyama A, Kadota A, Okuda N, Murakami Y, Ohkubo T, Fujiyoshi A, Miura K, Okayama A, Ueshima H, NIPPON DATA 80/90 Research Group.

PloS one 11 （ 6 ） e0157563 2016年06月

研究論文（学術雑誌）, ISSN 1932-6203

Aims The long-term prognostic effect of non-specific 12-lead electrocardiogram findings is unknown. We aimed to evaluate the cumulative prognostic impact of axial, structural, and repolarization categorical abnormalities on cardiovascular death, independent from traditional risk scoring systems such as the Framingham risk score and the NIPPON DATA80 risk chart. Methods and Results A total of 16,816 healthy men and women from two prospective, longitudinal cohort studies were evaluated. 3,794 (22.6%) individuals died during a median follow-up of 15 years (range, 2.0-24 years). Hazard ratios for cardiovascular death, all-cause death, coronary death and stroke death were calculated for the cumulative and independent axial, structural, and repolarization categorical abnormalities adjusted for the Framingham risk score and the NIPPON DATA80 risk chart. Individuals with two or more abnormal categories had a higher risk of cardiovascular death after adjustment for Framingham risk score (men: HR 4.27, 95%CI 3.35-5.45; women: HR 4.83, 95%CI 3.76-6.22) and NIPPON DATA80 risk chart (men: HR 2.39, 95%CI 1.87-3.07; women: HR 2.04, 95%CI 1.58-2.64). Conclusion Cumulative findings of axial, structural, and repolarization abnormalities are significant predictors of long-term cardiovascular death in asymptomatic, healthy individuals independent of traditional risk stratification systems.

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Cross-sectional association between exposure to particulate matter and inflammatory markers in the Japanese general population: NIPPON DATA2010.

Michikawa T, Okamura T, Nitta H, Nishiwaki Y, Takebayashi T, Ueda K, Kadota A, Fujiyoshi A, Ohkubo T, Ueshima H, Okayama A, Miura K, NIPPON DATA2010 Research Group.

Environmental pollution (Barking, Essex : 1987) 213 460 - 467 2016年06月

研究論文（学術雑誌）, ISSN 0269-7491

A suggestive mechanism behind the association between particulate matter and cardiovascular disease is inflammatory response. Earlier population-based studies investigating the association between particulate matter and inflammatory biological markers, in particular C-reactive protein (CRP), showed inconsistent results. In addition, evidence from the Asian population, in which CRP levels are typically lower than those observed in Western populations, was sparse. We examined the cross-sectional association between short- and long-term exposure to particulate matter and inflammatory markers, including high-sensitivity CRP (hs-CRP) and white blood cell (WBC) count, in a representative population of Japanese community dwellers (NIPPON DATA2010). We analysed data from 2360 participants (1002 men and 1358 women), aged 20 years or older, who resided in 300 randomly selected districts (222 public health centre areas) throughout Japan. We used background concentrations of suspended particulate matter (SPM, defined as particles with a 100% cut-off level at 10 μm aerodynamic diameter) and co-pollutants within the public health centre area. A logistic regression model was applied to estimate odds ratios (ORs) of elevated hs-CRP (> 0.3 mg/dl) or WBC (> 9000/μl). Since smoking is an important confounding factor, we firstly included this in the models, and additionally conducted the analyses after excluding current smokers. The one-month average concentration of SPM was positively associated with hs-CRP (OR per 10 μg/m³ increase in SPM = 1.42, 95% confidence interval = 1.00-2.04), and high exposure to SPM on the day of blood draw was associated with increased WBC count, after excluding current smokers (OR = 1.13, 1.01-1.28). Similar association patterns were observed for ozone. In conclusion, exposure to particulate matter was associated with inflammatory markers in the general Japanese population. Systemic inflammation may play a role in the link between particulate matter and cardiovascular disease.

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Impact of Flushing Response on the Relationship between Alcohol Consumption and Gamma-glutamyl Transpeptidase: the KOBE study.

Hirata T, Higashiyama A, Kubota Y, Sugiyama D, Kuwabara K, Tatsumi Y, Hirata A, Nishida Y, Kadota A, Imano H, Nishikawa T, Miyamatsu N, Miyamoto Y, Okamura T

Nihon Arukoru Yakubutsu Igakkai zasshi = Japanese journal of alcohol studies & drug dependence 51 （ 3 ） 173 - 183 2016年06月

研究論文（学術雑誌）, ISSN 1341-8963

Impact of Flushing Response on the Relationship between Alcohol Consumption and Gamma-glutamyl Transpeptidase: the KOBE study.

Hirata T, Higashiyama A, Kubota Y, Sugiyama D, Kuwabara K, Tatsumi Y, Hirata A, Nishida Y, Kadota A, Imano H, Nishikawa T, Miyamatsu N, Miyamoto Y, Okamura T

Nihon Arukoru Yakubutsu Igakkai zasshi = Japanese journal of alcohol studies & drug dependence 51 （ 3 ） 173 - 183 2016年06月

研究論文（学術雑誌）, ISSN 1341-8963

Relationship between outpatient visit frequency and hypertension control: a 9-year occupational cohort study.

Shima A, Tatsumi Y, Ishizaki T, Godai K, Kawatsu Y, Okamura T, Nishikawa T, Morimoto A, Morino A, Miyamatsu N

Hypertension research : official journal of the Japanese Society of Hypertension 39 （ 5 ） 376 - 381 2016年05月

研究論文（学術雑誌）, ISSN 0916-9636

The purpose of this study was to investigate the relationship between the frequency of outpatient visits and hypertension control as determined from health insurance records. This 9-year cohort study in Japan was based on 518 participants with hypertension who underwent health checkups in 2004. Participants were aged 35-56 years and none had a history of cardiovascular or cerebrovascular disease. All were covered by the same employee health insurer. Mean annual outpatient visit days at a hospital/clinic during the 9-year period were classified within four quartiles (Q1, Q2, Q3, Q4). Uncontrolled hypertension was defined as a systolic blood pressure (BP) ≥140 mm Hg and a diastolic BP ≥90 mm Hg. Logistic regression analysis was used to estimate the multivariable-adjusted odds ratios (ORs) and 95% confidence intervals (CIs) for the prevalence of uncontrolled hypertension in groups Q1, Q2 and Q3 vs. Q4. The median (25th-75th percentile) annual outpatient visit days was 9.4 (4.0-15.5). Uncontrolled hypertension was observed in 62.4% of the participants in 2013. The multivariable-adjusted ORs and 95% CIs for uncontrolled hypertension in Q1, Q2 and Q3 vs. Q4 were 4.03 (2.28-7.12), 1.67 (0.99-2.81) and 1.44 (0.86-2.41), respectively. Uncontrolled hypertension increased significantly as the number of outpatient visits decreased (P for trend

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Dietary tofu intake and long-term risk of death from stroke in a general population

Nguyen H., Miyagawa N., Miura K., Okuda N., Yoshita K., Arai Y., Nakagawa H., Sakata K., Ojima T., Kadota A., Takashima N., Fujiyoshi A., Ohkubo T., Abbott R., Okamura T., Okayama A., Ueshima H.

Clinical Nutrition （Clinical Nutrition） 37 （ 1 ） 182 - 188 2016年04月

研究論文（学術雑誌）, ISSN 0261-5614

© 2016 Elsevier Ltd and European Society for Clinical Nutrition and Metabolism Background & aim: Although dietary soy intake is linked with health benefits, a relation with stroke has not been established. The present study examined the association between the intake of tofu, the richest source of dietary soy, with stroke mortality in a general population cohort of Japanese men and women. Methods: Data comprise 9244 Japanese enrolled in the National Nutrition Survey of Japan in 1980. Participants were free of cardiovascular disease and followed for 24 years. Dietary intake was estimated from 3-day weighed food records. Multivariable Cox regression models were used to estimate hazard ratios across levels of tofu intake. Results: During follow-up, there were 417 deaths due to stroke (88 cerebral hemorrhage [CH], 245 cerebral infarction [CI], and 84 of other subtypes). Among all men, and in women aged 65 years or more, tofu intake was unrelated to each form of stroke. For young women (<65 years of age), a significantly lower risk of CH in the top versus bottom quartile of tofu intake was observed (Multivariable-adjusted HR = 0.26, 95% CI: 0.08–0.85). Conclusions: In this large prospective study with long follow-up of Japanese men and women, consumption of tofu was unrelated to the risk of stroke except for CH in women <65 years of age. Whether the association in younger women is real or due to chance alone warrants further study.

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Profiling of plasma metabolites in postmenopausal women with metabolic syndrome.

Iida M, Harada S, Kurihara A, Fukai K, Kuwabara K, Sugiyama D, Takeuchi A, Okamura T, Akiyama M, Nishiwaki Y, Suzuki A, Hirayama A, Sugimoto M, Soga T, Tomita M, Banno K, Aoki D, Takebayashi T

Menopause (New York, N.Y.) 23 （ 7 ） 749 - 58 2016年04月

研究論文（学術雑誌）, ISSN 1072-3714

OBJECTIVE:: The aim of the study was to investigate the associations of amino acids and other polar metabolites with metabolic syndrome (MetS) in postmenopausal women in a lean Asian population. METHODS:: The participants were 1,422 female residents enrolled in a cohort study from April to August 2012. MetS was defined according to the National Cholesterol Education Program Adult Treatment Panel III modified for Japanese women. Associations were examined between MetS and 78 metabolites assayed in fasting plasma samples using capillary electrophoresis-mass spectrometry. Replication analysis was performed to confirm the robustness of the results in a separate population created by random allocation. RESULTS:: Analysis was performed for 877 naturally postmenopausal women, including 594 in the original population and 283 in the replication population. The average age, body mass index, and levels of high- and low-density lipoprotein cholesterol of the entire population were 64.6 years, 23.0?kg/m, 72.1?mg/dL, and 126.1?mg/dL, respectively. There was no significant difference in low-density lipoprotein cholesterol levels between women with and without MetS. Thirteen metabolites were significantly related to MetS: multiple plasma amino acids were elevated in women with MetS, including branched-chain amino acids, alanine, glutamate, and proline; and alpha-aminoadipate, which is generated by lysine degradation, was also significantly increased. CONCLUSIONS:: Our large-scale metabolomic profiling indicates that Japanese postmenopausal women with MetS have abnormal polar metabolites, suggesting altered catabolic pathways. These results may help to understand metabolic disturbance, including in persons with normal body mass index and relatively high levels of high-density lipoprotein cholesterol, and may have clinical utility based on further studies.This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially. http://creativecommons.org/licenses/by-nc-nd/4.0

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Relationship between Non-High-Density Lipoprotein Cholesterol and Low-Density Lipoprotein Cholesterol in the General Population.

Kuwabara K, Harada S, Sugiyama D, Kurihara A, Kubota Y, Higashiyama A, Hirata T, Nishida Y, Kawasaki M, Takebayashi T, Okamura T

Journal of atherosclerosis and thrombosis 23 （ 4 ） 477 - 490 2016年04月

研究論文（学術雑誌）, ISSN 1340-3478

Aim: The Japan Atherosclerosis Society (JAS) Guidelines for Diagnosis and Prevention of Atherosclerotic Cardiovascular Diseases for Japanese 2012 version have set a non-high-density lipoprotein cholesterol (non-HDL-C)-management target of low-density lipoprotein cholesterol (LDL-C) + 30 mg/ dL. However, the actual difference between non-HDL-C and LDL-C is not clear. Therefore, we evaluated its joint distribution and assessed the validity of this criterion in the general Japanese population. Methods: We used baseline cross-sectional data of 4,110 participants from two studies; the KOBE Study (n=1,108) and the Tsuruoka Metabolomic Cohort Study (n= 3,002). To evaluate whether the difference between LDL-C and non-HDL-C in the general population match that of the current guidelines, we classified LDL-C levels into four groups according to the JAS Guideline and evaluated its agreement with the corresponding non-HDL-C group. Analysis was also done using six groups (the previous four groups plus the upper and lower cut-off values). Results: The mean difference (mg/dL) between the non-HDL-C and LDL-C (for the KOBE Study and Tsuruoka Metabolomic Cohort Study, respectively) was 19.6 and 24.1 (p <0.001) for men and 15.9 and 18.3 (p <0.001) for women. In both the cohort studies, the difference was lower than 30 mg/dL. It was especially small among individuals with normal triglyceride levels. Conclusions: In the general Japanese population, the difference between non-HDL-C and LDL-C was lower than the expected difference of 30 mg/dL. Changes to the criteria for non-HDL-C target levels may be considered in the future.

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Association of Total Energy Intake with 29-Year Mortality in the Japanese: NIPPON DATA80.

Nagai M, Ohkubo T, Miura K, Fujiyoshi A, Okuda N, Hayakawa T, Yoshita K, Arai Y, Nakagawa H, Nakamura K, Miyagawa N, Takashima N, Kadota A, Murakami Y, Nakamura Y, Abbott RD, Okamura T, Okayama A, Ueshima H, NIPPON DATA80 Research Group.

Journal of atherosclerosis and thrombosis 23 （ 3 ） 339 - 354 2016年03月

研究論文（学術雑誌）, ISSN 1340-3478

Aim: In animals, dietary energy restriction is reported to increase longevity, whereas in humans, all cohort studies from Western countries have not shown an association between the low energy intake and longevity. We examined the association between total energy intake and longevity in Japan where dietary pattern is different from that in the West. Methods: A total of 7,704 Japanese aged 30–69 years were followed from 1980 to 2009. Participants were divided into the quintiles of total energy (kcal/day. based on data collected from the National Nutrition Survey. Hazard ratios and 95% confidence intervals (CIs. were derived through the use of Cox proportional hazards models to compare the risk of death across and between the quintiles. Results: There was a significant association between increased energy intake and all-cause mortality risk in only men (P for linear trend=0.008). In cause-specific analysis, compared with the lowest quintile, there was rise in coronary heart disease (CHD. mortality among men (HR; 2.63, 95%CI; 0.95–7.28, P for linear trend 0.016. and women (HR; 2.91, 95%CI; 1.02–8.29, P for linear trend 0.032. and cancer mortality among men (HR; 1.50, 95%CI; 0.999–2.24, P for linear trend 0.038. in the top quintile. Conclusion: We observed significant associations of high energy intake with all-cause and cancer mortality among men and with CHD mortality among men and women. Further studies are needed to confirm the benefits of caloric restriction.

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Lipoprotein-associated phospholipase A2 is related to risk of subclinical atherosclerosis but is not supported by Mendelian randomization analysis in a general Japanese population.

Ueshima H, Kadowaki T, Hisamatsu T, Fujiyoshi A, Miura K, Ohkubo T, Sekikawa A, Kadota A, Kadowaki S, Nakamura Y, Miyagawa N, Okamura T, Kita Y, Takashima N, Kashiwagi A, Maegawa H, Horie M, Yamamoto T, Kimura T, Kita T, ACCESS and SESSA Research Groups.

Atherosclerosis 246 141 - 147 2016年03月

研究論文（学術雑誌）, ISSN 0021-9150

Objective: Lipoprotein-associated phospholipase A₂ (Lp-PLA₂) is an enzyme predominantly bound to low-density lipoprotein (LDL). Lp-PLA₂ is recognized as playing a key role in inflammatory processes and the development of atherosclerosis. This study aimed to investigate whether Lp-PLA₂ is related to subclinical atherosclerosis, independently from traditional risk factors, in a general Japanese population by analyses of both the observational study and Mendelian randomization using V279F polymorphism. Methods and results: We cross-sectionally examined community-based sample of 929 Japanese men aged 40-79 years, without statin treatment, who were randomly selected from the resident registration. Multiple regression analyses of Lp-PLA₂ activity and concentration were undertaken separately for men aged 40-49 years and 50-79 years, to clarify interactions of age and Lp-PLA₂. Lp-PLA₂ activity for men aged 50-79 years was significantly and positively related to intima-media thickness (IMT) (P = 0.013) and plaque index (P = 0.008) independent of traditional risk factors including small LDL particles, but not to coronary artery calcification (CAC) score. Associations with Lp-PLA₂ concentration were qualitatively similar to those of activity. Corresponding relationships were not observed in men aged 40-49 years. Mendelian randomization analyses based on V279F genotype did not show any significant associations with subclinical atherosclerosis, although the homozygote and heterozygote of V279F showed low Lp-PLA₂ activity and concentration. Conclusions: Lp-PLA₂ activity in Japanese men aged 50-79 years was associated significantly and positively with IMT and plaque in the carotid artery but Mendelian randomization did not support that Lp-PLA₂ is a causative factor for subclinical atherosclerosis.

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Calibration between the Estimated Probability of the Risk Assessment Chart of Japan Atherosclerosis Society and Actual Mortality Using External Population: Evidence for Cardiovascular Prevention from Observational Cohorts in Japan (EPOCH-JAPAN).

Nakai M, Miyamoto Y, Higashiyama A, Murakami Y, Nishimura K, Yatsuya H, Saitoh S, Sakata K, Iso H, Miura K, Ueshima H, Okamura T, EPOCH-JAPAN Research Group.

Journal of atherosclerosis and thrombosis 23 （ 2 ） 176 - 195 2016年02月

研究論文（学術雑誌）, ISSN 1340-3478

Aim: In Japan Atherosclerosis Society guidelines for the prevention of atherosclerotic cardiovascular diseases 2012 (JAS2012), NIPPON DATA80 risk assessment chart (ND80RAC) was adopted to estimate the 10-year probability of coronary artery disease (CAD) mortality. However, there was no comparison between the estimated mortality calculated by ND80RAC and actual mortality in external populations. Accordingly, we used the large pooled database of cohorts in Japan, EPOCH-JAPAN, as an external population.Methods:The participants of EPOCH-JAPAN without a history of cardiovascular disease (15,091 men and 18,589 women aged 40–74 years) were analyzed based on sex. The probability of a 10-year risk of CAD/stroke mortality was estimated by ND80RAC. The participants were divided into both decile of their estimated mortality and three categories according to JAS2012. The calibration between the mean estimated mortality and the actual mortality was performed by the Hosmer and Lemeshow (H-L) test.Results: In both sexes, the estimated CAD mortality was higher than the actual mortality, particularly in higher deciles of estimated mortality, and the estimated stroke mortality was almost concordant with the actual mortality in low/moderate deciles of estimated mortality. As for the categories according to JAS2012, the estimated CAD mortality was higher than the actual mortality in both sexes; actual mortality in Category III was lower than that in Category II in women. However, it increased in the ascending order of category when we excluded the presence of diabetes from Category III.Conclusions: The estimated CAD mortality by ND80RAC tended to be higher than the actual mortality in the population in which the baseline survey was more recently performed.

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The Associations of C-Reactive Protein with Serum Levels of Polyunsaturated Fatty Acids and Trans Fatty Acids Among Middle-Aged Men from Three Populations

El-Saed A., Masaki K., Okamura T., Evans R. W., Nakamura Y., Willcox B. J., Lee S., Maegawa H., Seto T. B., Choo J., Fujiyoshi A., Miura K., Kuller L. H., Ueshima H., Sekikawa A.

Journal of Nutrition, Health and Aging 20 （ 1 ） 16 - 21 2016年01月

ISSN 1279-7707

BACKGROUND: C-reactive protein (CRP) and many fatty acids (FAs) have been linked to cardiovascular disease. Associations of serum CRP with FAs in different populations have not been established.METHODS: Participants were 926 men aged 40-49 (2002-2006) from a population-based sample; 310 Whites from Pennsylvania, U.S., 313 Japanese from Shiga, Japan, and 303 Japanese Americans from Hawaii, U.S. Serum CRP (mg/L) was measured using immunosorbent assay while serum FAs (%) were measured using capillary-gas-liquid chromatography.RESULTS: Whites had CRP (mg/L) levels higher than Japanese with Japanese Americans in-between (age-adjusted geometric mean "GM" 0.96, 0.38, 0.66, respectively). Whites had also higher levels of total n-6 FAs (%) and trans fatty acids (TFAs) but lower levels of marine-derived n-3 FAs compared to Japanese (41.78 vs. 35.05, 1.04 vs. 0.58, and 3.85 vs. 9.29, respectively). Japanese Americans had FAs levels in-between the other two populations. Whites had significant inverse trends between CRP and tertiles of total n-6 FAs (GM 1.20, 0.91 and 0.80; p=0.002) and marine-derived n-3 FAs (GM 1.22, 1.00 and 0.72; pCONCLUSIONS: With the exception of consistent inverse association of CRP with total n-6 FAs, there are considerable variations across the three populations in the associations of CRP with different FAs.

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The associations of C-reactive protein with serum levels of polyunsaturated fatty acids and trans fatty acids among middle-aged men from three populations

El-Saed A., Masaki K., Okamura T., Evans R. W., Nakamura Y., Willcox B. J., Lee S., Maegawa H., Seto T. B., Choo J., Fujiyoshi A., Miura K., Kuller L. H., Ueshima H., Sekikawa Akira

Journal of Nutrition, Health and Aging 20 （ 1 ） 16 - 21 2016年01月

ISSN 1279-7707

Background: C-reactive protein (CRP) and many fatty acids (FAs) have been linked to cardiovascular disease. Associations of serum CRP with FAs in different populations have not been established. Methods: Participants were 926 men aged 40-49 (2002-2006) from a population-based sample; 310 Whites from Pennsylvania, U.S., 313 Japanese from Shiga, Japan, and 303 Japanese Americans from Hawaii, U.S. Serum CRP (mg/L) was measured using immunosorbent assay while serum FAs (%) were measured using capillary-gasliquid chromatography. Results: Whites had CRP (mg/L) levels higher than Japanese with Japanese Americans in-between (age-adjusted geometric mean “GM” 0.96, 0.38, 0.66, respectively). Whites had also higher levels of total n-6 FAs (%) and trans fatty acids (TFAs) but lower levels of marine-derived n-3 FAs compared to Japanese (41.78 vs. 35.05, 1.04 vs. 0.58, & 3.85 vs. 9.29, respectively). Japanese Americans had FAs levels in-between the other two populations. Whites had significant inverse trends between CRP and tertiles of total n-6 FAs (GM 1.20, 0.91 & 0.80; p=0.002) and marine-derived n-3 FAs (GM 1.22, 1.00 & 0.72; p

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