18 results on '"Sone, H."'
Search Results
2. Coronary artery disease risk prediction by combined stratification of low-density lipoprotein-cholesterol and high-density lipoprotein-cholesterol levels across different glucose statuses.
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Yachida J, Fujihara K, Harada Yamada M, Kobayashi A, Khin LM, Takizawa H, Yamamoto M, Kitazawa M, Matsubayashi Y, Yamada T, Kodama S, and Sone H
- Abstract
Aim: To investigate the association between low-density lipoprotein-cholesterol (LDL-C) levels and coronary artery disease (CAD) incidence based on combining high-density lipoprotein-cholesterol (HDL-C) levels and glucose status., Materials and Methods: In this retrospective cohort study, we used data from a nationwide claims database (1,524,289 individuals without a history of CAD or familial hypercholesterolaemia; 2008-2019). Cox proportional hazards modelling identified the risk of incident CAD by a novel combination of four HDL-C levels, seven LDL-C levels and glucose status., Results: During the follow-up period (mean: 5.5 years), 8301 (0.99/1000 person-years) events occurred. The risk of CAD increased from lower LDL-C levels accompanied by lower HDL-C levels regardless of the glucose status. Using the most favourable levels of HDL-C and LDL-C (i.e. 60-99 mg/dL and <80 mg/dL, respectively) as references, the hazard ratios (95% confidence interval) for the group with HDL-C levels <40 mg/dL and LDL-C levels <80 mg/dL were 2.74 (1.47-5.11), 2.52 (1.30-4.91) and 2.85 (1.68-4.84) for normoglycaemia, borderline glycaemia and diabetes, respectively. Comparison of the most favourable levels of HDL-C and LDL-C with their least favourable levels (i.e. <40 mg/dL and 180-199 mg/dL, respectively) revealed that the risk of new-onset CAD exhibited a 19-, nine- and seven-fold increase in individuals with normoglycaemia, borderline glycaemia and diabetes, respectively., Conclusions: To prevent CAD, LDL-C levels should be strictly controlled in patients with low HDL-C levels regardless of glucose tolerance. Individualized treatment, which involves setting target LDL-C levels based on glucose tolerance and HDL-C values, is required., (© 2024 John Wiley & Sons Ltd.)
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- 2024
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3. Achieving normoglycaemia with tirzepatide: Post hoc exploratory analysis of the SURPASS J-mono and J-combo studies.
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Fujihara K, Matsubayashi Y, Kitazawa M, Sato T, Takeuchi M, Oura T, and Sone H
- Abstract
Aim: Normoglycaemia was achieved in a significant proportion of Japanese participants with type 2 diabetes in two phase 3 studies of tirzepatide. This post hoc exploratory analysis aimed to identify predictive factors associated with normoglycaemia achievement., Materials and Methods: SURPASS J-mono and SURPASS J-combo study data were pooled for this analysis. Characteristics of participants in whom normoglycaemia [glycated haemoglobin (HbA1c) <5.7%] was achieved were summarized. Logistic regression analyses were performed with HbA1c <5.7% achievement as the target variable., Results: Of 912 participants, normoglycaemia was achieved in 553 (60.6%) following 52 weeks of tirzepatide treatment. Overall, the mean (SD) age was 56.7 (10.6) years and mean diabetes duration was 7.7 (6.0) years, and 76% of participants were men. Mean (SD) change from baseline in HbA1c and bodyweight was -2.87% (0.95) versus -2.47% (1.1) and -10.30 (5.8) kg versus -3.75 (4.3) kg for participants in whom normoglycaemia was and was not reached, respectively. Multivariate regression analyses showed that lower baseline body mass index, shorter disease duration and lower baseline HbA1c were significantly associated with higher rates of normoglycaemia achievement (p = 0.009, p = 0.008, p < 0.001, respectively) as was a tirzepatide dose of 10 or 15 mg compared with 5 mg (p < 0.001). The highest percentage of participants in whom normoglycaemia (94%) was achieved were those with lower baseline HbA1c (<8%) and the greatest weight reduction (≥15%)., Conclusions: Baseline HbA1c and body mass index, disease duration and the tirzepatide treatment group were shown to be predictive factors for achieving normoglycaemia. A lower baseline HbA1c was most strongly associated with normoglycaemia achievement., (© 2024 The Author(s). Diabetes, Obesity and Metabolism published by John Wiley & Sons Ltd.)
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- 2024
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4. Comprehensive Analysis of Drug-Induced Parkinson-like Events.
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Kikegawa M, Sone H, and Uesawa Y
- Abstract
Specific drugs are well known to have the capacity to induce Parkinson-like symptoms. Parkinson-like events are side effects that may persist for an extended period even after drug administration is discontinued. Although these events can be triggered by various drugs, the mechanisms underlying their diverse symptoms remain largely unclear. To investigate this, we used the Japanese Adverse Drug Event Reporting Database, which is maintained by the Pharmaceuticals and Medical Devices Agency, to analyze the risk factors associated with Parkinson-like events along with the associated drug trends and characteristics. Our findings indicate that similar to Parkinson's disease, age-related differences affect the onset of these reported events, with older individuals being more susceptible. Hierarchical clustering and principal component analysis revealed that the mechanisms triggering these Parkinson-like events are consistent across reports, suggesting a common underlying cause. However, even with a consistent mechanism, the side effects can vary depending on the site of action. These insights underline the importance of the swift identification of the drugs suspected of causing these events and the implementation of measures to reduce their side effects.
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- 2024
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5. Risk stratification for cardiovascular disease based on prior coronary artery disease, cerebrovascular disease and type 2 diabetes mellitus.
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Oe M, Fujihara K, Yamada MH, Osawa T, Kitazawa M, Matsubayashi Y, Sato T, Yaguchi Y, Iwanaga M, Yamada T, and Sone H
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Aims/introduction: History of coronary artery disease (CAD), cerebrovascular disease (CeVD), type 2 diabetes and their combined effect on cardiovascular disease are essential for cardiovascular risk management. We investigated the association of prior CAD, prior CeVD, type 2 diabetes and their combination with the risk of cardiovascular disease., Materials and Methods: This is a historical cohort study including 342,033 participants (aged 18-72 years) followed up for ≥5 years between 2008 and 2016. Participants were classified into eight groups (with or without prior CAD, prior CeVD and type 2 diabetes). Type 2 Diabetes was defined by fasting plasma glucose and glycated hemoglobin levels, and antidiabetic drug prescription. Prior and subsequent CAD and CeVD were identified according to claims using International Classification of Diseases 10th Revision codes, medical procedures and questionnaires. Cox regression models were used to evaluate the risk of cardiovascular events., Results: The median follow-up period was 6.4 years. The incidence of composite cardiovascular events of CAD and CeVD in the CAD-/CeVD-, CAD+/CeVD-, CAD-/CeVD+ and CAD+/CeVD+ groups were 1.92 and 6.94, 25.14 and 31.98 per 1,000 person-years in non-diabetes participants, and 8.66, 18.04, 39.98 and 60.72 in type 2 diabetes patients, respectively. Hazard ratios of cardiovascular events compared with CAD-/CeVD-/non-diabetes were 1.66 (95% confidence interval 1.55-1.78) in CAD-/CeVD-/type 2 diabetes and 1.84 (1.56-2.18) in CAD+/CeVD-/non-diabetes. CeVD+ was linked to a 4-7-fold increase in the risk of cardiovascular events regardless of CAD+ or type 2 diabetes., Conclusions: Type 2 diabetes increased the risk of cardiovascular disease as high as a history of CAD, whereas prior CeVD alone increased the risk of future CeVD without additional effects by type 2 diabetes., (© 2024 The Author(s). Journal of Diabetes Investigation published by Asian Association for the Study of Diabetes (AASD) and John Wiley & Sons Australia, Ltd.)
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- 2024
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6. Robust growth hormone responses to GH-releasing peptide 2 in adolescents.
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Onuki T, Hiroaki T, Sawano K, Shibata N, Nyuzuki H, Ogawa Y, Okada M, Sone H, and Nagasaki K
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- Adolescent, Female, Humans, Male, Dwarfism, Pituitary blood, Dwarfism, Pituitary diagnosis, Follow-Up Studies, Growth Disorders blood, Growth Disorders diagnosis, Prognosis, Retrospective Studies, Human Growth Hormone blood, Oligopeptides
- Abstract
Objectives: GH-releasing peptide-2 (GHRP2) can be used for provocative growth hormone testing (GHT). Since it acts as a powerful stimulus for GH secretion, cut-off peak GH level in GHRP2 loading test (GHRP2T) is higher than in other GHT. Nevertheless, data on response at adolescents are limited. This report aimed to investigate peak GH levels in GHRP2T in adolescents., Methods: Clinical data of adolescents after onset of puberty who underwent GHRP2T at our institution from May 2010 to March 2023 were collected retrospectively. Subjects were classified into three groups according to underlying diseases., Results: A total of 23 patients were included: 12 in organic or genetic GHD (o/gGHD) group, three in idiopathic GHD (iGHD) group, and eight in short stature (SS) group. The median GH peak levels were 3.4 ng/mL in o/gGHD group, 88.9 ng/mL in iGHD group, and 90.1 ng/mL in SS group, indicating a robust response of GH peak levels in iGHD and SS groups. Two patients exceeded the cut-off for GHRP2T but below for other GHT, indicating the current cut-off for GHRP2T may miss some GHD patients., Conclusions: The GH response to GHRP2T in adolescents except the o/gGHD group may be robustly responsive. For the correct diagnosis of GHD, the cut-off peak GH levels in GHRP2T in adolescents may require revisiting., (© 2024 Walter de Gruyter GmbH, Berlin/Boston.)
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- 2024
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7. Japan Atherosclerosis Society (JAS) Guidelines for Prevention of Atherosclerotic Cardiovascular Diseases 2022.
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Okamura T, Tsukamoto K, Arai H, Fujioka Y, Ishigaki Y, Koba S, Ohmura H, Shoji T, Yokote K, Yoshida H, Yoshida M, Deguchi J, Dobashi K, Fujiyoshi A, Hamaguchi H, Hara M, Harada-Shiba M, Hirata T, Iida M, Ikeda Y, Ishibashi S, Kanda H, Kihara S, Kitagawa K, Kodama S, Koseki M, Maezawa Y, Masuda D, Miida T, Miyamoto Y, Nishimura R, Node K, Noguchi M, Ohishi M, Saito I, Sawada S, Sone H, Takemoto M, Wakatsuki A, and Yanai H
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- Humans, Japan epidemiology, Cardiovascular Diseases prevention & control, Societies, Medical, Atherosclerosis prevention & control
- Published
- 2024
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8. Impact of health practice index and cardiovascular health metrics on incident cardiovascular disease according to glucose tolerance status.
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Murai K, Fujihara K, Harada Yamada M, Matsubayashi Y, Yamada T, Iwanaga M, Kitazawa M, Yamamoto M, Osawa T, Yaguchi Y, Kodama S, and Sone H
- Abstract
Aims: To evaluate and compare the association of incident cardiovascular disease (CVD) with the Health Practice Index (HPI) reflecting only lifestyle habits and Ideal Cardiovascular Health Metrics (ICVHMs) consisting of lifestyle habits and factors targeted for control in the same population according to glucose status., Methods: This retrospective cohort study included 1,28,162 participants aged 18-72 years with no history of CVD followed for ≥ 3 years between 2008 and 2016. Participants were classified according to normal glucose tolerance (86,174), prediabetes (36,096), or diabetes (5892). HPI and ICVHMs scores were classified into three groups (high/medium/low). Multivariate Cox regression hazard analysis examined CVD risk., Results: During a mean follow-up of 5.2 years, 1057 CVD events occurred. In prediabetes, CVD risk was significantly higher in groups with both medium and low HPI scores and ICVHMs scores compared to high scores for normal glucose tolerance (hazard ratios [HRs] for high/medium/low HPI scores were 0.95 [0.78-1.17], 1.56 [1.29-1.89], and 2.41 [1.74-3.34] and for ICVHMs scores were 0.74 [0.50-1.11], 1.58 [1.26-1.98], and 2.63 [2.10-3.31], respectively). Regarding diabetes, compared with high HPI/ICVHMs scores in the normal glucose tolerance group, a significantly increased CVD risk was observed in the high-score HPI group, but not in the high-score ICVHMs group (HPI high/medium/low HR, 1.63 [1.22-2.18], 2.19 [1.69-2.83], and 2.26 [1.34 -3.83]; ICVHMs high/medium/low HR, 1.14 [0.47-2.81], 2.38 [1.75-3.23], and 3.31 [2.50-4.38], respectively)., Conclusions: In diabetes, ideal lifestyle practices alone were insufficient for primary prevention of CVD but had a greater impact on primary prevention of CVD in prediabetes., Supplementary Information: The online version contains supplementary material available at 10.1007/s13340-024-00708-7., Competing Interests: Conflict of interestThe authors declare that there is no duality of interest associated with this manuscript., (© The Japan Diabetes Society 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.)
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- 2024
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9. Usefulness of New Criteria for Metabolic Syndrome Optimized for Prediction of Cardiovascular Diseases in Japanese.
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Yamazaki Y, Fujihara K, Sato T, Harada Yamada M, Yaguchi Y, Matsubayashi Y, Yamada T, Kodama S, Kato K, Shimano H, and Sone H
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- Female, Humans, Male, Japan epidemiology, Risk Factors, Waist Circumference, Adolescent, Young Adult, Adult, Middle Aged, Aged, Cardiovascular Diseases diagnosis, Cardiovascular Diseases epidemiology, Coronary Artery Disease complications, Metabolic Syndrome diagnosis, Metabolic Syndrome epidemiology
- Abstract
Aims: We attempted to clarify whether the multiple criteria for metabolic syndrome (MetS) can sufficiently predict cardiovascular disease, whether waist circumference (WC) should be required, and whether sex-specific thresholds for each component are necessary. Only a few large-scale studies among East Asians have addressed the ability of MetS to predict cardiovascular disease., Methods: We analyzed the data of 330,051 men and 235,028 women aged 18-74 years with no history of coronary artery disease (CAD) or cerebrovascular disease (CVD) from a nationwide Japanese claims database accumulated during 2008-2016. The association of each MetS component with CAD or CVD (CAD/CVD), MetS associated with CAD/CVD according to various criteria, and utility of modified criteria with more specific optimal values for each component were examined using multivariate Cox regression and receiver operating characteristic (ROC) analysis., Results: During the study, 3,934 men (1.19%) and 893 women (0.38%) developed CAD/CVD. For each current MetS criteria, there was a 1.3- to 2.9-fold increased risk of CAD/CVD. Optimal thresholds for predicting CAD/CVD were WCs of 83 and 77 cm, triglycerides levels of 130 and 90 mg/dl, high-density lipoprotein cholesterol levels of 50 and 65 mg/dl, blood pressures of 130/80 and 120/80 mmHg, and fasting plasma glucose levels of 100 and 90 mg/dl for men and women, respectively. The existing MetS criteria and modified criteria were not significantly different in predicting CAD/CVD, but using the modified criteria markedly increased the prevalence of MetS and percentage of people with MetS developing CAD/CVD., Conclusions: Although various criteria for MetS similarly predicted CAD/CVD, the new criteria greatly reduced the number of high-risk individuals, especially women, overlooked by the current criteria.
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- 2024
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10. Decade-long WT1-specific CTLs induced by WT1 peptide vaccination.
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Suwabe T, Shibasaki Y, Tamura S, Katagiri T, Fuse K, Ida-Kurasaki T, Ushiki T, Sone H, Narita M, and Masuko M
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- Humans, WT1 Proteins, Vaccines, Subunit, Peptides, Receptors, Antigen, T-Cell, Vaccination, T-Lymphocytes, Cytotoxic, Cancer Vaccines therapeutic use
- Abstract
Introduction: The peptide-based cancer vaccine targeting Wilms' tumor 1 (WT1) is a promising immunotherapeutic strategy for hematological malignancies. It remains unclear how long and to what extent the WT1-specific CD8 + cytotoxic T cell (CTL) persist after WT1 peptide vaccination., Methods: The WT1 peptide vaccine was administered with written consent to a patient with CML in the chronic phase who did not respond well to imatinib, and the patient was followed for 12 years after vaccination. Immune monitoring was performed by specific amplification of WT1-specific CTLs using a mixed lymphocyte peptide culture. T-cell receptors (TCRs) of amplified WT1-specific CTLs were analyzed using next-generation sequencing. This study was approved by the Institutional Review Board of our institution., Result: WT1-specific CTLs, which were initially detected during WT1 peptide vaccination, persisted at a frequency of less than 5 cells per 1,000,000 CD8 + T cells for more than 10 years. TCR repertoire analysis confirmed the diversity of WT1-specific CTLs 11 years after vaccination. CTLs exhibited WT1 peptide-specific cytotoxicity in vitro., Conclusion: The WT1 peptide vaccine induced an immune response that persists for more than 10 years, even after cessation of vaccination in the CML patient., (© 2024. Japanese Society of Hematology.)
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- 2024
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11. Reduced chondroitin sulfate content prevents diabetic neuropathy through transforming growth factor-β signaling suppression.
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Ishiguro H, Ushiki T, Honda A, Yoshimatsu Y, Ohashi R, Okuda S, Kawasaki A, Cho K, Tamura S, Suwabe T, Katagiri T, Ling Y, Iijima A, Mikami T, Kitagawa H, Uemura A, Sango K, Masuko M, Igarashi M, and Sone H
- Abstract
Diabetic neuropathy (DN) is a major complication of diabetes mellitus . Chondroitin sulfate (CS) is one of the most important extracellular matrix components and is known to interact with various diffusible factors; however, its role in DN pathology has not been examined. Therefore, we generated CSGalNAc-T1 knockout (T1KO) mice, in which CS levels were reduced. We demonstrated that diabetic T1KO mice were much more resistant to DN than diabetic wild-type (WT) mice. We also found that interactions between pericytes and vascular endothelial cells were more stable in T1KO mice. Among the RNA-seq results, we focused on the transforming growth factor β signaling pathway and found that the phosphorylation of Smad2/3 was less upregulated in T1KO mice than in WT mice under hyperglycemic conditions. Taken together, a reduction in CS level attenuates DN progression, indicating that CS is an important factor in DN pathogenesis., Competing Interests: The authors declare no competing interests., (© 2024 The Author(s).)
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- 2024
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12. Lifestyle Intervention With Smartphone App and isCGM for People at High Risk of Type 2 Diabetes: Randomized Trial.
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Kitazawa M, Takeda Y, Hatta M, Horikawa C, Sato T, Osawa T, Ishizawa M, Suzuki H, Matsubayashi Y, Fujihara K, Yamada T, and Sone H
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- Humans, Male, Middle Aged, Blood Glucose, Blood Glucose Self-Monitoring, Life Style, Weight Loss, Female, Diabetes Mellitus, Type 2 prevention & control, Mobile Applications
- Abstract
Aims: Although conventional interventions for people at high risk of developing type 2 diabetes are usually conducted face-to-face, such interventions are burdensome for health care providers. We developed a lifestyle intervention program combining lifestyle coaching via a smartphone application augmented by intermittently scanned continuous glucose monitoring without burdening health care providers. Its effectiveness for glycemic control and body weight reduction in people at risk of type 2 diabetes was investigated., Materials and Methods: For this 12-week randomized unblinded trial with offline recruitment, participants with a hemoglobin A1c level of 5.6% to 6.4% or a fasting blood glucose of 110 to 125 mg/dL and body mass index (BMI) >23 kg/m2 but <40 kg/m2 were randomly assigned to the intervention group (App) and control group (C). The primary endpoint was the difference in time in range of blood glucose between 70 and 140 mg/dL (3.9-7.8 mmol/L) before and after the study period between the 2 groups., Results: Among 168 patients (mean age, 48.1 years; mean BMI, 26.6 kg/m2; and male, 80.4%), 82 and 86 were assigned to the App group and C group, respectively. After 12 weeks, time in range of blood glucose at 70 to 140 mg/dL significantly improved in the App group compared with the C group (-2.6 minutes/day vs +31.5 minutes/day, P = .03). Changes in time above range did not differ, whereas time below range (blood glucose <70 mg/dL; +23.5 minutes/day vs -8.9 minutes/day, P = .02) improved in the App group. BMI (-0.26 vs -0.59, P = .017) was reduced in the App group compared with the C group., Conclusion: Intervention with a smartphone app and intermittently scanned continuous glucose monitoring increased glycemic control accompanied by decreased carbohydrate intake and weight loss. Further trials are needed to confirm whether these interventions can reduce incident type 2 diabetes., (© The Author(s) 2023. Published by Oxford University Press on behalf of the Endocrine Society.)
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- 2024
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13. Association between screen time, including that for smartphones, and overweight/obesity among children in Japan: NICE EVIDENCE Study 4.
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Ikeda I, Fujihara K, Morikawa Yoshizawa S, Takeda Y, Ishiguro H, Yamada Harada M, Horikawa C, Matsubayashi Y, Yamada T, Ogawa Y, and Sone H
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- Male, Child, Female, Humans, Smartphone, Japan epidemiology, Screen Time, Cross-Sectional Studies, Body Mass Index, Overweight epidemiology, Pediatric Obesity epidemiology
- Abstract
The association between screen time (ST), including that for smartphones, and overweight/obesity in children was examined separately for boys and girls, considering the influence of lifestyle factors. A cross-sectional study was conducted in 2,242 Japanese children (1,278 girls) aged 10-14 years. Overweight/obesity was defined by the International Obesity Task Force. Logistic regression analysis showed that only for girls, total ST (≥4 h), smartphone ST (≥3 h), and non-smartphone ST (≥2 h) were all independently and significantly associated with overweight/obesity compared to <2 h total ST, non-use of smartphones, and <1 h non-smartphone ST. Thus, smartphone ST ≥3 h and non-smartphone ST ≥2 h were additively associated with overweight/obesity in girls only. Girls having smartphone ST ≥3 h and non-smartphone ST ≥2 h were 6.79 times (95% CI: 3.11-14.81) more likely to have overweight/obesity than girls with less usage of both. In girls, when total ST was ≥4 < 5 h or smartphone ST was ≥2 h, the significant association with overweight/obesity disappeared when physical activity was ≥60 min/day and sleep time was ≥8.5 h. In addition, none of these associations was significant in boys. In Japanese girls, smartphone ST, non-smartphone ST, and total ST were all significantly associated with overweight/obesity. To avoid overweight/obesity, it is suggested to keep smartphone ST, non-smartphone ST, and total ST to <3 h, <2 h, and <4 h, respectively, and to engage in sufficient physical activity and sleep time.
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- 2024
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14. Cross-Sectional and Longitudinal Associations between Forearm Bone Mineral Density and Anthropometry in Adult Japanese Men and Women.
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Ishizawa M, Fujihara K, Yachida J, Ikeda I, Sato T, Yamada T, Kobayashi A, Tanaka S, Nakagawa Y, Matsuzaka T, Shimano H, Tashiro M, Kodama S, Kato K, and Sone H
- Abstract
Background: No consensus exists regarding which anthropometric measurements are related to bone mineral density (BMD), and this relationship may vary according to sex and age. A large Japanese cohort was analyzed to provide an understanding of the relationship between BMD and anthropometry while adjusting for known confounding factors., Methods: Our cohort included 10,827 participants who underwent multiple medical checkups including distal forearm BMD scans. Participants were stratified into four groups according to age (≥50 years or <50 years) and sex. The BMD values were adjusted for confounding factors, after which single and partial correlation analyses were performed. The prevalence of osteopenia was plotted for each weight index (weight or body mass index [BMI]) class., Results: Cross-sectional studies revealed that weight was more favorably correlated than BMI in the older group (R=0.278 and 0.212 in men and R=0.304 and 0.220 in women, respectively), whereas weight and BMI were weakly correlated in the younger age groups. The prevalence of osteopenia exhibited a negative linear relationship with weight among older women ≥50 years of age, and an accelerated increase was observed with decreasing weight in older men weighing <50 kg and younger women weighing <60 kg. When weight was replaced with BMI, the prevalence was low in most subgroups classified by weight., Conclusions: Weight, rather than BMI, was the most important indicator of osteopenia but it might not be predictive of future bone loss.
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- 2024
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15. A case of spontaneous coronary artery dissection that later turned out to be Takayasu arteritis.
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Tezuka T, Mori H, Nishiwaki H, Takei Y, Taira N, Omura A, Wada D, Sone H, Tashiro K, Sato T, Iso Y, Ebato M, and Suzuki H
- Abstract
Spontaneous coronary artery dissection (SCAD) is a rare cause of acute coronary syndrome (ACS), which typically occurs in women at low risk of atherosclerosis. We herein report a case of SCAD in a 57-year-old man who later developed Takayasu arteritis. The patient presented to our hospital complaining of chest pain and was diagnosed with unstable angina. Emergent coronary angiography was performed, and optical coherence tomography revealed that ACS was caused by SCAD. The patient was treated medically without further ballooning or stenting. Because there was a bilateral difference in blood pressure, the systemic artery was screened by contrast-enhanced computed tomography, which showed left subclavian artery occlusion, proximal stenosis of the superior mesenteric artery, right common iliac artery dissection, and left external iliac artery dissection. Based on these results and
18 F-fluorodeoxyglucose positron emission tomography findings, we diagnosed Takayasu arteritis. Prednisolone and tocilizumab were selected for medical treatment, and the patient was in a good condition at one year after the diagnosis. Takayasu arteritis can cause dissection of various arteries and should be suspected when atypical SCAD or multiple dissections are present. Early initiation of immunosuppressive therapy can control disease activity., Learning Objective: Spontaneous coronary artery dissection (SCAD) is an important cause of acute coronary syndrome. In this case, we experienced a case of SCAD which turned out to be the first symptom of Takayasu arteritis. Immunosuppressive therapy was effective for both coronary lesion and systemic vasculitis. Not only fibromuscular dysplasia, but also various types of vasculitis should therefore be considered in the differential diagnosis when encountering atypical SCAD cases., Competing Interests: The authors declare that there is no conflict of interest., (© 2024 Japanese College of Cardiology. Published by Elsevier Ltd. All rights reserved.)- Published
- 2024
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16. Cholesterol-Lowering and Antioxidant Effects of Pork-Liver Protein Hydrolysate in Otsuka Long-Evans Tokushima Fatty Rats.
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Shimizu M, Kamiyama S, Sone H, and Nishimura T
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- Rats, Male, Animals, Swine, Rats, Inbred OLETF, Antioxidants pharmacology, Protein Hydrolysates pharmacology, Protein Hydrolysates metabolism, Liver metabolism, Cholesterol metabolism, Diabetes Mellitus, Type 2 metabolism, Pork Meat, Red Meat
- Abstract
In this study, we investigated the effects of a porcine liver protein hydrolysate (PLH) diet on lipid metabolism in Otsuka Long-Evans Tokushima Fatty (OLETF) rats, a model of type II diabetes. OLETF rats (20-wk-old males) were pair-fed with either a PLH diet containing 20% PLH or a casein diet for 14 wk. Dietary PLH significantly lowered serum cholesterol and phospholipid concentrations, mainly by decreasing low-density lipoprotein and high-density lipoprotein fractions. Fecal cholesterol was significantly increased in the PLH diet group; however, the total bile acid concentration in the feces was not significantly different between the groups. In addition, the PLH diet significantly decreased serum thiobarbituric acid reactive substance concentrations. These results suggest that dietary PLH exerts hyperlipidemic and antioxidant effects, indicating that it is a novel functional food ingredient.
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- 2024
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17. Myocarditis in Three Japanese Men After the Second mRNA-Based COVID-19 Vaccine Dose.
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Sunaga T, Tanaka M, Sone H, Onuki T, Wada D, and Suzuki H
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- Humans, Male, Japan, mRNA Vaccines adverse effects, COVID-19 prevention & control, COVID-19 Vaccines adverse effects, Myocarditis chemically induced
- Abstract
Competing Interests: T. Sunaga received personal fees from the Japanese Society of Pharmaceutical Health Care and Sciences. The remaining authors have no conflicts of interest to declare.
- Published
- 2024
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18. Single-Cell Transcriptome Profiling of Pancreatic Islets From Early Diabetic Mice Identifies Anxa10 for Ca2+ Allostasis Toward β-Cell Failure.
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Motomura K, Matsuzaka T, Shichino S, Ogawa T, Pan H, Nakajima T, Asano Y, Okayama T, Takeuchi T, Ohno H, Han SI, Miyamoto T, Takeuchi Y, Sekiya M, Sone H, Yahagi N, Nakagawa Y, Oda T, Ueha S, Ikeo K, Ogura A, Matsushima K, and Shimano H
- Subjects
- Animals, Mice, Calcium metabolism, Gene Expression Profiling, Insulin metabolism, Mice, Inbred Strains, Allostasis, Diabetes Mellitus, Experimental genetics, Diabetes Mellitus, Experimental metabolism, Diabetes Mellitus, Type 2 metabolism, Insulin-Secreting Cells metabolism, Islets of Langerhans metabolism, Prediabetic State genetics, Prediabetic State metabolism
- Abstract
Type 2 diabetes is a progressive disorder denoted by hyperglycemia and impaired insulin secretion. Although a decrease in β-cell function and mass is a well-known trigger for diabetes, the comprehensive mechanism is still unidentified. Here, we performed single-cell RNA sequencing of pancreatic islets from prediabetic and diabetic db/db mice, an animal model of type 2 diabetes. We discovered a diabetes-specific transcriptome landscape of endocrine and nonendocrine cell types with subpopulations of β- and α-cells. We recognized a new prediabetic gene, Anxa10, that was induced by and regulated Ca2+ influx from metabolic stresses. Anxa10-overexpressed β-cells displayed suppression of glucose-stimulated intracellular Ca2+ elevation and potassium-induced insulin secretion. Pseudotime analysis of β-cells predicted that this Ca2+-surge responder cluster would proceed to mitochondria dysfunction and endoplasmic reticulum stress. Other trajectories comprised dedifferentiation and transdifferentiation, emphasizing acinar-like cells in diabetic islets. Altogether, our data provide a new insight into Ca2+ allostasis and β-cell failure processes., Article Highlights: The transcriptome of single-islet cells from healthy, prediabetic, and diabetic mice was studied. Distinct β-cell heterogeneity and islet cell-cell network in prediabetes and diabetes were found. A new prediabetic β-cell marker, Anxa10, regulates intracellular Ca2+ and insulin secretion. Diabetes triggers β-cell to acinar cell transdifferentiation., (© 2023 by the American Diabetes Association.)
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- 2024
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