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Sakakibara M, Sumida H, Yanagida K, Miyasato S, Nakamura M, Sato S. 338 Bitter taste receptor T2R38 expressed on skin-infiltrating lymphocytes regulates lymphocyte migration. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.09.351] [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: 11/19/2022]
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Sumida H, Yasunaga Y, Takasawa K, Tanaka A, Ida S, Saito T, Sugiyama S, Matsui K, Nakao K, Tsujita K, Tohya Y. Cognitive function in post-cardiac intensive care: patient characteristics and impact of multidisciplinary cardiac rehabilitation. Heart Vessels 2020; 35:946-956. [PMID: 32052162 DOI: 10.1007/s00380-020-01566-4] [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] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 01/24/2020] [Indexed: 01/18/2023]
Abstract
New/worsening cognitive and physical impairments following critical care pose significant problems. Multidisciplinary cardiac rehabilitation (CR) can improve physical function after cardiac intensive care (CIC). This observational study aimed to evaluate cognitive function in patients participating in multidisciplinary CR and to identify correlates of impaired cognitive function after CIC. We analyzed 111 consecutive patients admitted to our comprehensive care ward at least 7 days after CIC and assessed factors associated with cognitive function using the Functional Independence Measure (FIM). Patients were stratified into two groups based on the median FIM-Cognitive scores: impaired (n = 56) and preserved cognition (n = 55) groups. Multiple logistic regression analysis identified age [odds ratio (OR) 1.06; 95% confidence interval (CI) 1.00-1.13; p = 0.042], Mini-Nutrition Assessment-Short Form (MNA-SF; OR 0.73; 95% CI 0.56-0.95; p = 0.017), and FIM-Physical scores (OR: 0.94; 95% CI 0.90-0.99; p = 0.012) as significant and independent factors associated with impaired cognition. The median length of hospital stay was 28 (interquartile range: 18, 43) days. The FIM-Cognitive and FIM-Physical scores significantly increased from admission to discharge [32.0 (27.0, 35.0) vs. 34.0 (29.0, 35.0) points; p < 0.001; 67.0 (53.0, 75.0) vs. 85.0 (73.5, 89.0) points; p < 0.001, respectively]. On subgroup analysis within the impaired cognition group, increased FIM-Cognitive scores positively and significantly correlated with increased FIM-Physical scores (ρ = 0.450; p = 0.001). Multiple linear regression analysis identified atrial fibrillation (AF; β = - 0.29; p = 0.016), ln(glycated hemoglobin; HbA1c) (β = 0.29; p = 0.018), and ln(high-sensitivity C-reactive protein; hs-CRP) (β = - 0.26; p = 0.034) as significant and independent factors correlated with increased FIM-Cognitive scores. In conclusion, advanced age, low MNA-SF score, and FIM-Physical score were independent factors associated with impaired cognition in post-CIC patients. Multidisciplinary CR improved both physical and cognitive functions, and AF, HbA1c, and hs-CRP were independent factors correlated with increased FIM-Cognitive score.
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Affiliation(s)
- Hitoshi Sumida
- Division of Cardiology, Heisei Tohya Hospital, 8-2-15, Idenakama Minami-ku, Kumamoto, 862-0963, Japan.
| | - Yuichi Yasunaga
- Division of Cardiology, Heisei Tohya Hospital, 8-2-15, Idenakama Minami-ku, Kumamoto, 862-0963, Japan
| | - Kensei Takasawa
- Division of Cardiology, Heisei Tohya Hospital, 8-2-15, Idenakama Minami-ku, Kumamoto, 862-0963, Japan
| | - Aya Tanaka
- Division of Cardiology, Heisei Tohya Hospital, 8-2-15, Idenakama Minami-ku, Kumamoto, 862-0963, Japan
| | - Seiko Ida
- Division of Cardiology, Heisei Tohya Hospital, 8-2-15, Idenakama Minami-ku, Kumamoto, 862-0963, Japan
| | - Tadaoki Saito
- Division of Cardiology, Heisei Tohya Hospital, 8-2-15, Idenakama Minami-ku, Kumamoto, 862-0963, Japan
| | - Seigo Sugiyama
- Division of Cardiology, Jinnouchi Hospital, 6-2-3, Kuhonji Chuo-ku, Kumamoto, 862-0976, Japan
| | - Kunihiko Matsui
- Department of Community, Family, and General Medicine, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo Chuo-ku, Kumamoto, 862-8556, Japan
| | - Koichi Nakao
- Department of Cardiovascular Medicine, Saiseikai Kumamoto Hospital, 5-3-1, Chikami Minami-ku, Kumamoto, 862-4116, Japan
| | - Kenichi Tsujita
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo Chuo-ku, Kumamoto, 862-8556, Japan
| | - Yuji Tohya
- Division of Cardiology, Heisei Tohya Hospital, 8-2-15, Idenakama Minami-ku, Kumamoto, 862-0963, Japan
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Kuzumi A, Yoshizaki A, Fukasawa T, Ebata S, Miura S, Yoshizaki A, Sumida H, Asano Y, Sato S. Serum levels of human β-defensin 2: possible association with fibrosis and vasculopathy in patients with systemic sclerosis. J Eur Acad Dermatol Venereol 2019; 33:e272-e274. [PMID: 30835873 DOI: 10.1111/jdv.15546] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- A Kuzumi
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - A Yoshizaki
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - T Fukasawa
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - S Ebata
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - S Miura
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - A Yoshizaki
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - H Sumida
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Y Asano
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - S Sato
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
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Affiliation(s)
- Taisuke Nakade
- Division of Cardiovascular Medicine, Kumamoto Central Hospital, Japan
| | - Hitoshi Sumida
- Division of Emergency and General Medicine, Kumamoto Central Hospital, Japan
| | | | - Kenro Nishida
- Division of Diabetes and Endocrinology, Kumamoto Central Hospital, Japan
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Kaikita K, Matsukawa M, Soejima K, Fuchigami S, Miyazaki Y, Ono T, Uemura T, Tsujita K, Hokimoto S, Sumida H, Matsui K, Yamabe H, Ogawa H, Miura M. Prognostic value of plasma von Willebrand factor-cleaving protease (ADAMTS13) antigen levels in patients with coronary artery disease. Thromb Haemost 2017; 103:623-9. [DOI: 10.1160/th09-08-0568] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2009] [Accepted: 11/22/2009] [Indexed: 11/05/2022]
Abstract
SummaryHigh plasma level of von Willebrand factor (VWF) is a marker of future cardiovascular events in patients at high risk of coronary artery disease (CAD). The purpose of this study was to examine the changes and the prognostic value of plasma VWF-cleaving protease (ADAMTS13) levels in patients with CAD. Plasma VWF and ADAMTS13 levels were measured in 225 patients with CAD (152 men and 73 women, age, 70.3 ± 8.9 years, mean ± SD) and 100 patients without CAD who were ageand gender-matched to the CAD patients (60 men and 40 women, age, 68.6 ± 8.9 years). The CAD patients had higher VWF and lower ADAMTS13 antigen levels compared to patients without CAD. During 22.3 ± 10.4 months follow-up period, 20 major adverse cardiac and cerebrovascular events (MACCE) occurred in 222 patients with CAD who could be followed up. Kaplan-Meier analysis demonstrated that CAD patients with high plasma VWF antigen levels were significantly more likely to develop MACCE. Furthermore, eight cardiac and cerebrovascular thrombotic events [acute coronary syndrome (n=4) and cerebral infarction (n=4)] occurred in CAD patients with both high plasma VWF and low ADAMTS13 antigen levels. Multivariate Cox hazards regression analysis identified high plasma VWF and low ADAMTS13 antigen levels as significant and independent predictors of future MACCE and thrombotic events during the follow-up period in CAD patients. Our findings suggest that low plasma ADAMTS13 as well as high VWF level is a useful predictor of cardiac and cerebrovascular events in CAD patients.
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Abstract
A 79-year-old woman was admitted with a left femoral neck fracture and she immediately developed circulatory shock. Echocardiography showed a markedly enlarged right ventricle (RV) with systolic ballooning of the mid-ventricular wall and preserved contractility of the apex. The left ventricular (LV) motion was normal. Multi-detector-row computed tomography showed severe congestion of the contrast media in the right atrium with no forward flow to RV, but no pulmonary embolism. She was successfully treated with percutaneous veno-arterial extracorporeal membrane oxygenation. This case presented with acute, profound, but reversible RV dysfunction triggered by acute stress in a manner similar to that seen in LV stress cardiomyopathy.
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Affiliation(s)
- Hitoshi Sumida
- Division of Intensive Care Unit, Kumamoto Central Hospital, Japan
| | - Kenji Morihisa
- Division of Cardiovascular Medicine, Kumamoto Central Hospital, Japan
| | | | - Seigo Sugiyama
- Division of Cardiovascular Medicine, Jinnouchi Hospital, Japan
| | - Takuya Kishi
- Collaborative Research Institute of Innovation for Cardiovascular Diseases, Kyushu University Center for Disruptive Cardiovascular Medicine, Japan
| | - Shuichi Oshima
- Division of Cardiovascular Medicine, Kumamoto Central Hospital, Japan
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Tsujita K, Yamanaga K, Komura N, Sakamoto K, Sugiyama S, Sumida H, Shimomura H, Yamashita T, Oka H, Nakao K, Nakamura S, Ishihara M, Matsui K, Sakaino N, Nakamura N, Yamamoto N, Koide S, Matsumura T, Fujimoto K, Tsunoda R, Morikami Y, Matsuyama K, Oshima S, Kaikita K, Hokimoto S, Ogawa H. Lipid profile associated with coronary plaque regression in patients with acute coronary syndrome: Subanalysis of PRECISE-IVUS trial. Atherosclerosis 2016; 251:367-372. [DOI: 10.1016/j.atherosclerosis.2016.05.025] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Revised: 03/30/2016] [Accepted: 05/16/2016] [Indexed: 01/08/2023]
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Tsujita K, Yamanaga K, Komura N, Sakamoto K, Sugiyama S, Sumida H, Shimomura H, Yamashita T, Oka H, Nakao K, Nakamura S, Ishihara M, Matsui K, Sakaino N, Nakamura N, Yamamoto N, Koide S, Matsumura T, Fujimoto K, Tsunoda R, Morikami Y, Matsuyama K, Oshima S, Kaikita K, Hokimoto S, Ogawa H. Synergistic effect of ezetimibe addition on coronary atheroma regression in patients with prior statin therapy: Subanalysis of PRECISE-IVUS trial. Eur J Prev Cardiol 2016; 23:1524-8. [DOI: 10.1177/2047487316655465] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2016] [Accepted: 05/30/2016] [Indexed: 11/16/2022]
Affiliation(s)
- Kenichi Tsujita
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Japan
| | - Kenshi Yamanaga
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Japan
| | - Naohiro Komura
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Japan
| | - Kenji Sakamoto
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Japan
| | | | - Hitoshi Sumida
- Division of Cardiology, Kumamoto Central Hospital, Japan
| | - Hideki Shimomura
- Department of Cardiovascular Medicine, Fukuoka Tokushukai Medical Center, Kasuga, Japan
| | - Takuro Yamashita
- Division of Cardiology, Social Insurance Omuta Tenryo Hospital, Omuta, Japan
| | - Hideki Oka
- Division of Cardiology, Health Insurance Hitoyoshi General Hospital, Japan
| | - Koichi Nakao
- Division of Cardiology, Saiseikai Kumamoto Hospital Cardiovascular Center, Kumamoto, Japan
| | - Sunao Nakamura
- Interventional Cardiology Unit, New Tokyo Hospital, Matsudo, Japan
| | - Masaharu Ishihara
- Division of Coronary Artery Disease, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Japan
| | - Kunihiko Matsui
- Department of Community Medicine, Kumamoto University, Japan
| | | | | | - Nobuyasu Yamamoto
- Division of Cardiology, Miyazaki Prefectural Nobeoka Hospital, Japan
| | - Shunichi Koide
- Division of Cardiology, Health Insurance Kumamoto General Hospital, Yatsushiro, Japan
| | - Toshiyuki Matsumura
- Division of Cardiology, Japan Labor Health and Welfare Organization Kumamoto Rosai Hospital, Yatsushiro, Japan
| | | | | | | | - Koushi Matsuyama
- Division of Cardiology, Social Insurance Omuta Tenryo Hospital, Omuta, Japan
| | - Shuichi Oshima
- Division of Cardiology, Kumamoto Central Hospital, Japan
| | - Koichi Kaikita
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Japan
| | - Seiji Hokimoto
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Japan
| | - Hisao Ogawa
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Japan
- Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan
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Affiliation(s)
- R Saigusa
- a Department of Dermatology , University of Tokyo Graduate School of Medicine , Japan
| | - Y Asano
- a Department of Dermatology , University of Tokyo Graduate School of Medicine , Japan
| | - H Sumida
- a Department of Dermatology , University of Tokyo Graduate School of Medicine , Japan
| | - S Sato
- a Department of Dermatology , University of Tokyo Graduate School of Medicine , Japan
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Fujisue K, Sugiyama S, Matsuzawa Y, Akiyama E, Sugamura K, Matsubara J, Kurokawa H, Maeda H, Hirata Y, Kusaka H, Yamamoto E, Iwashita S, Sumida H, Sakamoto K, Tsujita K, Kaikita K, Hokimoto S, Matsui K, Ogawa H. Prognostic Significance of Peripheral Microvascular Endothelial Dysfunction in Heart Failure With Reduced Left Ventricular Ejection Fraction. Circ J 2015; 79:2623-31. [PMID: 26489455 DOI: 10.1253/circj.cj-15-0671] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [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: 12/17/2022]
Abstract
BACKGROUND Endothelial dysfunction plays a crucial role in heart failure (HF), but the association between peripheral microvascular endothelial function assessed by reactive hyperemia peripheral arterial tonometry (RH-PAT) and prognosis remains unknown in HF with reduced left ventricular (LV) ejection fraction (HFREF). We prospectively investigated the association between peripheral microvascular endothelial function and HF-related near-future cardiovascular outcomes in HFREF patients. METHODS AND RESULTS The 362 HFREF patients (LVEF <50%) were followed for HF-related events (composite of cardiovascular death and HF hospitalization) up to 3 years. A natural logarithmic-scaled RH-PAT index (Ln-RHI) was obtained for each patient. A total of 82 HF-related events were recorded. The lower-RHI group (Ln-RHI ≤0.49, median) experienced a higher rate of HF-related events compared with the higher-RHI group by Kaplan-Meier analysis (30.9% vs. 14.4%, log-rank test: P<0.001). Multivariable Cox hazard analysis identified Ln-RHI as an independent predictor for HF-related events (per 0.1, hazard ratio: 0.84, 95% confidence interval: 0.75-0.95, P=0.005). Adding Ln-RHI to the Meta-analysis Global Group in Chronic HF risk score (MAGGICs) and Seattle Heart Failure Model (SHFM), powerful prognostic predictors of HF, significantly improved the net reclassification index (MAGGICs: 20.11%, P=0.02, SHFM: 24.88%, P<0.001), and increased the C-statistics for prediction of HF-related events (MAGGICs+Ln-RHI: from 0.612 to 0.670, SHFM+Ln-RHI: from 0.662 to 0.695). CONCLUSIONS Peripheral microvascular endothelial dysfunction assessed by RH-PAT was associated with future HF-related events in HFREF.
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Affiliation(s)
- Koichiro Fujisue
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University
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11
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Tsujita K, Sugiyama S, Sumida H, Shimomura H, Yamashita T, Yamanaga K, Komura N, Sakamoto K, Ono T, Oka H, Nakao K, Nakamura S, Ishihara M, Matsui K, Sakaino N, Nakamura N, Yamamoto N, Koide S, Matsumura T, Fujimoto K, Tsunoda R, Morikami Y, Matsuyama K, Oshima S, Kaikita K, Hokimoto S, Ogawa H. Plaque REgression with Cholesterol absorption Inhibitor or Synthesis inhibitor Evaluated by IntraVascular UltraSound (PRECISE-IVUS Trial): Study protocol for a randomized controlled trial. J Cardiol 2015; 66:353-8. [DOI: 10.1016/j.jjcc.2014.12.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2014] [Revised: 10/25/2014] [Accepted: 12/12/2014] [Indexed: 02/06/2023]
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Tsujita K, Sugiyama S, Sumida H, Shimomura H, Yamashita T, Yamanaga K, Komura N, Sakamoto K, Oka H, Nakao K, Nakamura S, Ishihara M, Matsui K, Sakaino N, Nakamura N, Yamamoto N, Koide S, Matsumura T, Fujimoto K, Tsunoda R, Morikami Y, Matsuyama K, Oshima S, Kaikita K, Hokimoto S, Ogawa H. Impact of Dual Lipid-Lowering Strategy With Ezetimibe and Atorvastatin on Coronary Plaque Regression in Patients With Percutaneous Coronary Intervention. J Am Coll Cardiol 2015; 66:495-507. [DOI: 10.1016/j.jacc.2015.05.065] [Citation(s) in RCA: 207] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2015] [Revised: 05/08/2015] [Accepted: 05/26/2015] [Indexed: 01/14/2023]
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Takahashi T, Asano Y, Noda S, Aozasa N, Akamata K, Taniguchi T, Ichimura Y, Toyama T, Sumida H, Kuwano Y, Tada Y, Sugaya M, Kadono T, Sato S. A possible contribution of lipocalin-2 to the development of dermal fibrosis, pulmonary vascular involvement and renal dysfunction in systemic sclerosis. Br J Dermatol 2015; 173:681-9. [PMID: 25781362 DOI: 10.1111/bjd.13779] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/09/2015] [Indexed: 12/16/2022]
Abstract
BACKGROUND Lipocalin-2 is an adipocytokine implicated in apoptosis, innate immunity, angiogenesis, and the development of chronic kidney disease. OBJECTIVES To investigate the role of lipocalin-2 in systemic sclerosis (SSc). MATERIALS AND METHODS Serum lipocalin-2 levels were determined by enzyme-linked immunosorbent assay in 50 patients with SSc and 19 healthy subjects. Lipocalin-2 expression was evaluated in the skin of patients with SSc and bleomycin (BLM)-treated mice and in Fli1-deficient endothelial cells by reverse transcriptase-real time polymerase chain reaction, immunoblotting and/or immunohistochemistry. RESULTS Although serum lipocalin-2 levels were comparable between patients with SSc and healthy controls, the prevalence of scleroderma renal crisis was significantly higher in patients with SSc with elevated serum lipocalin-2 levels than in those with normal levels. Furthermore, serum lipocalin-2 levels inversely correlated with estimated glomerular filtration rate in patients with SSc with renal dysfunction. Among patients with SSc with normal renal function, serum lipocalin-2 levels positively correlated with skin score in patients with diffuse cutaneous SSc with disease duration of < 3 years and inversely correlated with estimated right ventricular systolic pressure in total patients with SSc. Importantly, in SSc lesional skin, lipocalin-2 expression was increased in dermal fibroblasts and endothelial cells. In BLM-treated mice, lipocalin-2 was highly expressed in dermal fibroblasts, but not in endothelial cells. On the other hand, the deficiency of transcription factor Fli1, which is implicated in SSc vasculopathy, induced lipocalin-2 expression in cultivated endothelial cells. CONCLUSIONS Lipocalin-2 may be involved in renal dysfunction and dermal fibrosis of SSc. Dysregulated matrix metalloproteinase-9/lipocalin-2-dependent angiogenesis due to Fli1 deficiency may contribute to the development of pulmonary arterial hypertension associated with SSc.
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Affiliation(s)
- T Takahashi
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Y Asano
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - S Noda
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - N Aozasa
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - K Akamata
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - T Taniguchi
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Y Ichimura
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - T Toyama
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - H Sumida
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Y Kuwano
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Y Tada
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - M Sugaya
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - T Kadono
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - S Sato
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
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14
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Akiyama E, Sugiyama S, Matsubara J, Kurokawa H, Konishi M, Nozaki T, Ohba K, Fujisue K, Maeda H, Sakamoto K, Sugamura K, Sumida H, Jinnouchi H, Sakamaki K, Morita S, Kimura K, Umemura S, Ogawa H. Decreased Plasma Levels of Active Glucagon-Like Peptide-1 in Coronary Artery Disease. J Am Coll Cardiol 2015; 65:754-5. [DOI: 10.1016/j.jacc.2014.11.043] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2014] [Revised: 11/10/2014] [Accepted: 11/19/2014] [Indexed: 10/24/2022]
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15
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Kurokawa H, Sugiyama S, Nozaki T, Sugamura K, Toyama K, Matsubara J, Fujisue K, Ohba K, Maeda H, Konishi M, Akiyama E, Sumida H, Izumiya Y, Yasuda O, Kim-Mitsuyama S, Ogawa H. Telmisartan enhances mitochondrial activity and alters cellular functions in human coronary artery endothelial cells via AMP-activated protein kinase pathway. Atherosclerosis 2015; 239:375-85. [PMID: 25682036 DOI: 10.1016/j.atherosclerosis.2015.01.037] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Revised: 12/30/2014] [Accepted: 01/26/2015] [Indexed: 11/24/2022]
Abstract
OBJECTIVE Mitochondrial dysfunction plays an important role in cellular senescence and impaired function of vascular endothelium, resulted in cardiovascular diseases. Telmisartan is a unique angiotensin II type I receptor blocker that has been shown to prevent cardiovascular events in high risk patients. AMP-activated protein kinase (AMPK) plays a critical role in mitochondrial biogenesis and endothelial function. This study assessed whether telmisartan enhances mitochondrial function and alters cellular functions via AMPK in human coronary artery endothelial cells (HCAECs). METHODS AND RESULTS In cultured HCAECs, telmisartan significantly enhanced mitochondrial activity assessed by mitochondrial reductase activity and intracellular ATP production and increased the expression of mitochondria related genes. Telmisartan prevented cellular senescence and exhibited the anti-apoptotic and pro-angiogenic properties. The expression of genes related anti-oxidant and pro-angiogenic properties were increased by telmisartan. Telmisartan increased endothelial NO synthase and AMPK phosphorylation. Peroxisome proliferator-activated receptor gamma signaling was not involved in telmisartan-induced improvement of mitochondrial function. All of these effects were abolished by inhibition of AMPK. CONCLUSIONS Telmisartan enhanced mitochondrial activity and exhibited anti-senescence effects and improving endothelial function through AMPK in HCAECs. Telmisartan could provide beneficial effects on vascular diseases via enhancement of mitochondrial activity and modulating endothelial function through AMPK activation.
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Affiliation(s)
- Hirofumi Kurokawa
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Seigo Sugiyama
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan.
| | - Toshimitsu Nozaki
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Koichi Sugamura
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Kensuke Toyama
- Department of Pharmacology and Molecular Therapeutics, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Junichi Matsubara
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Koichiro Fujisue
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Keisuke Ohba
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Hirofumi Maeda
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Masaaki Konishi
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Eiichi Akiyama
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Hitoshi Sumida
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Yasuhiro Izumiya
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Osamu Yasuda
- Department of Cardiovascular Clinical and Translational Research, Kumamoto University Hospital, Kumamoto University, Kumamoto, Japan
| | - Shokei Kim-Mitsuyama
- Department of Pharmacology and Molecular Therapeutics, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
| | - Hisao Ogawa
- Department of Cardiovascular Medicine, Graduate School of Medical Science, Kumamoto University, Kumamoto, Japan
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16
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Toyama K, Sugiyama S, Oka H, Iwasaki Y, Sumida H, Tanaka T, Tayama S, Jinnouchi H, Ogawa H. Statins combined with exercise are associated with the increased renal function mediated by high-molecular-weight adiponectin in coronary artery disease patients. J Cardiol 2014; 64:91-7. [DOI: 10.1016/j.jjcc.2013.11.018] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2013] [Revised: 11/07/2013] [Accepted: 11/27/2013] [Indexed: 12/30/2022]
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17
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Nozaki T, Sugiyama S, Sugamura K, Ohba K, Matsuzawa Y, Konishi M, Matsubara J, Akiyama E, Sumida H, Matsui K, Jinnouchi H, Ogawa H. Prognostic value of endothelial microparticles in patients with heart failure. Eur J Heart Fail 2014; 12:1223-8. [DOI: 10.1093/eurjhf/hfq145] [Citation(s) in RCA: 86] [Impact Index Per Article: 8.6] [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)
- Toshimitsu Nozaki
- Department of Cardiovascular Medicine, Faculty of Life Sciences; Kumamoto University; 1-1-1 Honjo Kumamoto City 860-8556 Japan
| | - Seigo Sugiyama
- Department of Cardiovascular Medicine, Faculty of Life Sciences; Kumamoto University; 1-1-1 Honjo Kumamoto City 860-8556 Japan
| | - Koichi Sugamura
- Department of Cardiovascular Medicine, Faculty of Life Sciences; Kumamoto University; 1-1-1 Honjo Kumamoto City 860-8556 Japan
| | - Keisuke Ohba
- Department of Cardiovascular Medicine, Faculty of Life Sciences; Kumamoto University; 1-1-1 Honjo Kumamoto City 860-8556 Japan
| | - Yasushi Matsuzawa
- Department of Cardiovascular Medicine, Faculty of Life Sciences; Kumamoto University; 1-1-1 Honjo Kumamoto City 860-8556 Japan
| | - Masaaki Konishi
- Department of Cardiovascular Medicine, Faculty of Life Sciences; Kumamoto University; 1-1-1 Honjo Kumamoto City 860-8556 Japan
| | - Junichi Matsubara
- Department of Cardiovascular Medicine, Faculty of Life Sciences; Kumamoto University; 1-1-1 Honjo Kumamoto City 860-8556 Japan
| | - Eiichi Akiyama
- Department of Cardiovascular Medicine, Faculty of Life Sciences; Kumamoto University; 1-1-1 Honjo Kumamoto City 860-8556 Japan
| | - Hitoshi Sumida
- Interventional Cardiology, Faculty of Life Sciences; Kumamoto University; Kumamoto City Japan
| | - Kunihiko Matsui
- Department of General Medicine; Yamaguchi University Hospital; Yamaguchi Japan
| | | | - Hisao Ogawa
- Department of Cardiovascular Medicine, Faculty of Life Sciences; Kumamoto University; 1-1-1 Honjo Kumamoto City 860-8556 Japan
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18
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Matsuzawa Y, Sugiyama S, Sumida H, Sugamura K, Nozaki T, Ohba K, Matsubara J, Kurokawa H, Fujisue K, Konishi M, Akiyama E, Suzuki H, Nagayoshi Y, Yamamuro M, Sakamoto K, Iwashita S, Jinnouchi H, Taguri M, Morita S, Matsui K, Kimura K, Umemura S, Ogawa H. Peripheral endothelial function and cardiovascular events in high-risk patients. J Am Heart Assoc 2013; 2:e000426. [PMID: 24275629 PMCID: PMC3886751 DOI: 10.1161/jaha.113.000426] [Citation(s) in RCA: 125] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Background Endothelial dysfunction is a key component of vascular vulnerability. Reactive hyperemia index (RHI), as assessed by the peripheral arterial tonometry, can noninvasively evaluate endothelial function. This study was designed to determine the additional prognostic value of endothelial function to the Synergy Between PCI With Taxus and Cardiac Surgery Score (SYNTAXsc) and the Framingham Risk Score (FRS) in predicting cardiovascular events in high‐risk patients. Methods and Results We undertook a two‐center prospective study in 528 stable patients at high‐risk for cardiovascular events from the years 2006–2011. The RHI was measured before coronary angiography and coronary complexity was assessed by SYNTAXsc. After optimal therapies including coronary revascularization, there was follow‐up with patients until August 2012. Cardiovascular events consist of cardiovascular death, myocardial infarction, unstable angina, ischemic stroke, coronary revascularization, heart failure‐induced hospitalization, aortic disease, and peripheral arterial disease. During 1468 person‐years of follow‐up, 105 patients developed cardiovascular events. Multivariate Cox proportional hazards analysis identified B‐type natriuretic peptide (BNP), SYNTAXsc, and RHI as independent cardiovascular event predictors (hazard ratio [95% confidence interval]: natural logarithm of BNP per 0.1: 1.019 [1.002 to 1.037]; P=0.023, SYNTAXsc per tertile: 2.426 [1.825 to 3.225]; P<0.0001, RHI per 0.1: 0.761 [0.673 to 0.859]; P<0.0001). When RHI was added to the FRS, BNP, and SYNTAXsc, net reclassification index was significantly improved (27.5%; P<0.0001), with a significant increase in the C‐statistic (from 0.728 [0.679 to 0.778] to 0.766 [0.726 to 0.806]; P=0.031). Conclusions Advanced endothelial dysfunction significantly correlated with near future cardiovascular events in high‐risk patients. This physiological vascular measurement improved risk discrimination when added to the FRS, BNP, and SYNTAXsc. Clinical Trial Registration URL: clinicaltrials.gov (http://www.clinicaltrials.gov). Unique identifier: NCT00737945.
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Affiliation(s)
- Yasushi Matsuzawa
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
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19
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Nishijima T, Ono T, Morihisa K, Kugimiya F, Fukushima H, Sumida H, Noda K, Oshima S. Direct flow utilizing the angiosome concept is valuable for salvaging limbs in critical limb ischemia patients. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht307.p375] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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20
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Taniguchi T, Asano Y, Tamaki Z, Akamata K, Aozasa N, Noda S, Takahashi T, Ichimura Y, Toyama T, Sugita M, Sumida H, Kuwano Y, Miyazaki M, Yanaba K, Sato S. Histological features of localized scleroderma ‘en coup de sabre
’: a study of 16 cases. J Eur Acad Dermatol Venereol 2013; 28:1805-10. [DOI: 10.1111/jdv.12280] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2013] [Accepted: 08/20/2013] [Indexed: 11/30/2022]
Affiliation(s)
- T. Taniguchi
- Department of Dermatology; University of Tokyo Graduate School of Medicine; Tokyo Japan
| | - Y. Asano
- Department of Dermatology; University of Tokyo Graduate School of Medicine; Tokyo Japan
| | - Z. Tamaki
- Department of Dermatology; University of Tokyo Graduate School of Medicine; Tokyo Japan
| | - K. Akamata
- Department of Dermatology; University of Tokyo Graduate School of Medicine; Tokyo Japan
| | - N. Aozasa
- Department of Dermatology; University of Tokyo Graduate School of Medicine; Tokyo Japan
| | - S. Noda
- Department of Dermatology; University of Tokyo Graduate School of Medicine; Tokyo Japan
| | - T. Takahashi
- Department of Dermatology; University of Tokyo Graduate School of Medicine; Tokyo Japan
| | - Y. Ichimura
- Department of Dermatology; University of Tokyo Graduate School of Medicine; Tokyo Japan
| | - T. Toyama
- Department of Dermatology; University of Tokyo Graduate School of Medicine; Tokyo Japan
| | - M. Sugita
- Department of Dermatology; University of Tokyo Graduate School of Medicine; Tokyo Japan
| | - H. Sumida
- Department of Dermatology; University of Tokyo Graduate School of Medicine; Tokyo Japan
| | - Y. Kuwano
- Department of Dermatology; University of Tokyo Graduate School of Medicine; Tokyo Japan
| | - M. Miyazaki
- Department of Dermatology; University of Tokyo Graduate School of Medicine; Tokyo Japan
| | - K. Yanaba
- Department of Dermatology; University of Tokyo Graduate School of Medicine; Tokyo Japan
| | - S. Sato
- Department of Dermatology; University of Tokyo Graduate School of Medicine; Tokyo Japan
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21
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Fujisue K, Sugiyama S, Ono T, Matsuzawa Y, Akiyama E, Sugamura K, Matsubara J, Kurokawa H, Kaikita K, Iwashita S, Sumida H, Hokimoto S, Oniki K, Nakagawa K, Matsui K, Ogawa H. Response to Letter Regarding Article, “Effects of Endothelial Dysfunction on Residual Platelet Aggregability After Dual Antiplatelet Therapy With Aspirin and Clopidogrel in Patients With Stable Coronary Artery Disease”. Circ Cardiovasc Interv 2013; 6:e66. [DOI: 10.1161/circinterventions.113.000788] [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: 11/16/2022]
Affiliation(s)
- Koichiro Fujisue
- Department of Cardiovascular Medicine Graduate School of Medical Sciences Kumamoto University Kumamoto, Japan
| | - Seigo Sugiyama
- Department of Cardiovascular Medicine Graduate School of Medical Sciences Kumamoto University Kumamoto, Japan
| | - Takamichi Ono
- Department of Cardiovascular Medicine Graduate School of Medical Sciences Kumamoto University Kumamoto, Japan
| | - Yasushi Matsuzawa
- Division of Cardiology Yokohama City University Medical Center Yokohama, Japan
| | - Eiichi Akiyama
- Division of Cardiology Yokohama City University Medical Center Yokohama, Japan
| | - Koichi Sugamura
- Department of Cardiovascular Medicine Graduate School of Medical Sciences Kumamoto University Kumamoto, Japan
| | - Junichi Matsubara
- Department of Cardiovascular Medicine Graduate School of Medical Sciences Kumamoto University Kumamoto, Japan
| | - Hirofumi Kurokawa
- Department of Cardiovascular Medicine Graduate School of Medical Sciences Kumamoto University Kumamoto, Japan
| | - Koichi Kaikita
- Department of Cardiovascular Medicine Graduate School of Medical Sciences Kumamoto University Kumamoto, Japan
| | - Satomi Iwashita
- Department of Cardiovascular Medicine Graduate School of Medical Sciences Kumamoto University Kumamoto, Japan
| | - Hitoshi Sumida
- Department of Cardiovascular Medicine Graduate School of Medical Sciences Kumamoto University Kumamoto, Japan
| | - Seiji Hokimoto
- Department of Cardiovascular Medicine Graduate School of Medical Sciences Kumamoto University Kumamoto, Japan
| | - Kentaro Oniki
- Division of Pharmacology and Therapeutics Graduate School of Pharmaceutical Sciences Kumamoto University Kumamoto, Japan
| | - Kazuko Nakagawa
- Division of Pharmacology and Therapeutics Graduate School of Pharmaceutical Sciences Kumamoto University Kumamoto, Japan
| | - Kunihiko Matsui
- Department of General Internal Medicine Yamaguchi University Hospital Ube, Japan
| | - Hisao Ogawa
- Department of Cardiovascular Medicine Graduate School of Medical Sciences Kumamoto University Kumamoto, Japan
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22
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Fujisue K, Sugiyama S, Ono T, Matsuzawa Y, Akiyama E, Sugamura K, Matsubara J, Kurokawa H, Kaikita K, Iwashita S, Sumida H, Hokimoto S, Oniki K, Nakagawa K, Matsui K, Ogawa H. Effects of endothelial dysfunction on residual platelet aggregability after dual antiplatelet therapy with aspirin and clopidogrel in patients with stable coronary artery disease. Circ Cardiovasc Interv 2013; 6:452-9. [PMID: 23922147 DOI: 10.1161/circinterventions.112.000278] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Dual antiplatelet therapy with aspirin and clopidogrel is widely used in patients with coronary stents. High residual platelet reactivity (high RPR) after dual antiplatelet therapy is associated with increased cardiovascular events. Endothelial function could affect platelet reactivity in vivo. We hypothesized that endothelial dysfunction could be associated with high RPR after dual antiplatelet therapy in patients with stable coronary artery disease. METHODS AND RESULTS We screened patients with stable coronary artery disease for cytochrome P450 (CYP) 2C19 genotypes and enrolled 103 patients who lacked CYP2C19*2 or *3 loss-of-function allele to minimize the effect of this gene on high RPR. All patients received aspirin (100 mg/d) and clopidogrel (75 mg/d for long-term treatment or a loading dose of 300 mg) before the following tests. Platelet aggregability was assessed as P2Y12 reaction unit using the VerifyNow System. High RPR was defined as P2Y12 reaction unit ≥ 230. Peripheral endothelial function was expressed as reactive hyperemia index using reactive hyperemia peripheral arterial tonometry. Fifty-three patients exhibited high RPR. High RPR patients were significantly older, had higher levels of B-type natriuretic peptide, and were predominantly hypertensive compared with non-high RPR patients. Reactive hyperemia index was significantly lower in high RPR patients (0.46 ± 0.15) compared with non-high RPR patients (0.61 ± 0.18; P<0.001). Linear regression analysis demonstrated significant negative correlation between reactive hyperemia index and P2Y12 reaction unit (r=-0.32; P=0.001). Multivariable logistic regression analysis identified reactive hyperemia index as an independent and significant determinant of high RPR (odds ratio, 0.55; 95% confidence interval, 0.39-0.78; P=0.001). CONCLUSIONS In patients with stable coronary artery disease, endothelial function was significantly impaired in high RPR patients. Endothelial dysfunction is independently correlated with high RPR after dual antiplatelet therapy. CLINICAL TRIAL REGISTRATION URL http://www.umin.ac.jp/ctr. Unique identifier: UMIN000008239.
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Affiliation(s)
- Koichiro Fujisue
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences
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23
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Konishi M, Sugiyama S, Sugamura K, Nozaki T, Ohba K, Matsubara J, Sakamoto K, Nagayoshi Y, Sumida H, Akiyama E, Matsuzawa Y, Sakamaki K, Morita S, Kimura K, Umemura S, Ogawa H. Basal and ischemia-induced transcardiac troponin release into the coronary circulation in patients with suspected coronary artery disease. PLoS One 2013; 8:e60163. [PMID: 23565198 PMCID: PMC3615044 DOI: 10.1371/journal.pone.0060163] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2012] [Accepted: 02/24/2013] [Indexed: 11/19/2022] Open
Abstract
Background Cardiac troponin is a specific biomarker for cardiomyocyte necrosis in acute coronary syndromes. Troponin release from the coronary circulation remains to be determined because of the lower sensitivity of the conventional assay. We sought to determine basal and angina-induced troponin release using a highly sensitive troponin assay. Methods and Results The cardiac troponin T levels in serum sampled from the peripheral vein (PV), the aortic root (AO), and the coronary sinus (CS) were measured in 105 consecutive stable patients with coronary risk factor(s) and suspected coronary artery disease (CAD) and in 33 patients without CAD who underwent an acetylcholine provocation test. At baseline, there was a significant increase in the troponin levels from AO [9.0 (6.4, 13.1) pg/mL for median (25th, 75th percentiles)] to CS [10.3 (7.3, 15.5) pg/mL, p<0.001] in 96 (91.4%) patients and the difference was 1.1 (0.4, 2.1) pg/mL, which reflected basal transcardiac troponin release (TTR). TTR was positively correlated with PV levels (r = 0.22, p = 0.03). Male sex, left ventricular hypertrophy determined by echocardiography, T-wave inversion, and CAD correlated with elevated TTR defined as above: median, 1.1 pg/mL. A significant increase in TTR was noted in 17 patients with coronary spasms [0.6 (0.2, 1.2) pg/mL, p<0.01] but not in 16 patients without spasms [0.0 (−0.5, 0.9) pg/mL, p = 0.73] after the acetylcholine provocation. Conclusion Basal TTR in the coronary circulation was observed in most of the patients with suspected CAD and risk factor(s). This sensitive assay detected myocardial ischemia-induced increases in TTR caused by coronary spasms.
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Affiliation(s)
- Masaaki Konishi
- Departments of Cardiovascular Medicine, Faculty of Life Sciences, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
- Division of Cardiology, Yokohama City University Medical Center, Yokohama, Japan
| | - Seigo Sugiyama
- Departments of Cardiovascular Medicine, Faculty of Life Sciences, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
- * E-mail:
| | - Koichi Sugamura
- Departments of Cardiovascular Medicine, Faculty of Life Sciences, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Toshimitsu Nozaki
- Departments of Cardiovascular Medicine, Faculty of Life Sciences, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Keisuke Ohba
- Departments of Cardiovascular Medicine, Faculty of Life Sciences, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Junichi Matsubara
- Departments of Cardiovascular Medicine, Faculty of Life Sciences, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Kenji Sakamoto
- Departments of Cardiovascular Medicine, Faculty of Life Sciences, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Yasuhiro Nagayoshi
- Departments of Cardiovascular Medicine, Faculty of Life Sciences, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Hitoshi Sumida
- Departments of Cardiovascular Medicine, Faculty of Life Sciences, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Eiichi Akiyama
- Departments of Cardiovascular Medicine, Faculty of Life Sciences, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Yasushi Matsuzawa
- Division of Cardiology, Yokohama City University Medical Center, Yokohama, Japan
| | - Kentaro Sakamaki
- Department of Biostatistics and Epidemiology, Yokohama City University Medical Center, Yokohama, Japan
| | - Satoshi Morita
- Department of Biostatistics and Epidemiology, Yokohama City University Medical Center, Yokohama, Japan
| | - Kazuo Kimura
- Division of Cardiology, Yokohama City University Medical Center, Yokohama, Japan
| | - Satoshi Umemura
- Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Hisao Ogawa
- Departments of Cardiovascular Medicine, Faculty of Life Sciences, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
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24
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Tsujita K, Sakamoto K, Kojima S, Kojima S, Takaoka N, Nagayoshi Y, Sakamoto T, Tayama S, Kaikita K, Hokimoto S, Sumida H, Sugiyama S, Nakamura S, Ogawa H. Coronary plaque component in patients with vasospastic angina: a virtual histology intravascular ultrasound study. Int J Cardiol 2013; 168:2411-5. [PMID: 23453453 DOI: 10.1016/j.ijcard.2013.02.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2012] [Revised: 11/01/2012] [Accepted: 02/05/2013] [Indexed: 02/02/2023]
Abstract
BACKGROUND Coronary spasm plays an important role in the pathogenesis of ischemic heart disease. However, tissue components of coronary plaque in patients with vasospastic angina (VSA) have been unknown. This study used virtual histology (VH)-intravascular ultrasound (IVUS) to elucidate the tissue component of spastic coronary arteries and its gender differences in patients with VSA. METHODS According to acetylcholine provocation tests, the study subjects (42 patients [19 men, 23 women, 61 ± 13 years]) were divided into 2 groups: the VSA group of 26 patients and the non-VSA group of 16 patients. After nitrate injection, IVUS volumetric analysis was done, and the parameters were compared between the groups. RESULTS Although clinical demographics were almost identical between the groups, VSA group had lower plasma adiponectin level (5.9 ± 3.3 μg/ml vs. 11.2 ± 7.6 μg/ml, p=0.007) and tended to have higher high-sensitivity C-reactive protein (0.15 ± 0.24 mg/dl vs. 0.06 ± 0.04 mg/dl, p=0.1) than non-VSA group. VSA group had diffusely thickened intima (% plaque volume, 34 ± 11% vs. 27 ± 7%, p=0.01) compared with non-VSA group. However, plaque components of patients with VSA were similar with that of non-VSA patients (dense calcium, 4 ± 6% vs. 3 ± 4%; necrotic core, 10 ± 9% vs. 8 ± 6%; fibrofatty, 19 ± 16% vs. 22 ± 11%; and fibrous, 67 ± 16% vs. 67 ± 9%). Although male patients with VSA had atherogenic lipid and metabolic profiles than female VSA patients, there were no significant gender differences in the volumetric IVUS parameters and plaque components. CONCLUSIONS Compared with non-VSA patients, VSA patients had diffusely thickened fibrous-dominant coronary plaque without gender difference, and that might suggest the role of vasospasm in the development of atherosclerosis.
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Affiliation(s)
- Kenichi Tsujita
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan.
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Noda S, Asano Y, Takahashi T, Akamata K, Aozasa N, Taniguchi T, Ichimura Y, Toyama T, Sumida H, Kuwano Y, Yanaba K, Tada Y, Sugaya M, Kadono T, Sato S. Decreased cathepsin V expression due to Fli1 deficiency contributes to the development of dermal fibrosis and proliferative vasculopathy in systemic sclerosis. Rheumatology (Oxford) 2013; 52:790-9. [DOI: 10.1093/rheumatology/kes379] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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26
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Matsuzawa Y, Sugiyama S, Sugamura K, Sumida H, Kurokawa H, Fujisue K, Konishi M, Akiyama E, Suzuki H, Nakayama N, Yamamuro M, Iwashita S, Jinnouchi H, Kimura K, Umemura S, Ogawa H. Successful Diet and Exercise Therapy as Evaluated on Self-Assessment Score Significantly Improves Endothelial Function in Metabolic Syndrome Patients. Circ J 2013; 77:2807-15. [DOI: 10.1253/circj.cj-13-0549] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [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: 11/09/2022]
Affiliation(s)
- Yasushi Matsuzawa
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
- Division of Cardiology, Yokohama City University Medical Center
| | - Seigo Sugiyama
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
- Jinnouchi Hospital
| | - Koichi Sugamura
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
| | - Hitoshi Sumida
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
| | - Hirofumi Kurokawa
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
| | - Koichiro Fujisue
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
| | - Masaaki Konishi
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
- Division of Cardiology, Yokohama City University Medical Center
| | - Eiichi Akiyama
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
- Division of Cardiology, Yokohama City University Medical Center
| | - Hiroyuki Suzuki
- Division of Cardiology, Yokohama City University Medical Center
| | - Naoki Nakayama
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
- Division of Cardiology, Yokohama City University Medical Center
| | - Megumi Yamamuro
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
| | - Satomi Iwashita
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
| | | | - Kazuo Kimura
- Division of Cardiology, Yokohama City University Medical Center
| | - Satoshi Umemura
- Department of Medical Science and Cardiorenal Medicine, Yokohama City University Graduate School of Medicine
| | - Hisao Ogawa
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
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27
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Yamamuro M, Yamamoto K, Kan H, Takashio S, Tayama S, Kaikita K, Hokimoto S, Sumida H, Sugiyama S, Ogawa H. Effects of a Fixed Combination of Losartan With Hydrochlorothiazide on Glucose Tolerance in Hypertensive Patients Uncontrolled with Angiotensin II Receptor Blockers Alone. J Atheroscler Thromb 2013; 20:238-44. [DOI: 10.5551/jat.14464] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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28
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Ohba K, Sugiyama S, Sumida H, Nozaki T, Matsubara J, Matsuzawa Y, Konishi M, Akiyama E, Kurokawa H, Maeda H, Sugamura K, Nagayoshi Y, Morihisa K, Sakamoto K, Tsujita K, Yamamoto E, Yamamuro M, Kojima S, Kaikita K, Tayama S, Hokimoto S, Matsui K, Sakamoto T, Ogawa H. Microvascular coronary artery spasm presents distinctive clinical features with endothelial dysfunction as nonobstructive coronary artery disease. J Am Heart Assoc 2012; 1:e002485. [PMID: 23316292 PMCID: PMC3541613 DOI: 10.1161/jaha.112.002485] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2012] [Accepted: 08/02/2012] [Indexed: 12/22/2022]
Abstract
Background Angina without significant stenosis, or nonobstructive coronary artery disease, attracts clinical attention. Microvascular coronary artery spasm (microvascular CAS) can cause nonobstructive coronary artery disease. We investigated the clinical features of microvascular CAS and the therapeutic efficacy of calcium channel blockers. Methods and Results Three hundred seventy consecutive, stable patients with suspected angina presenting nonobstructive coronary arteries (<50% diameter) in coronary angiography were investigated with the intracoronary acetylcholine provocation test, with simultaneous measurements of transcardiac lactate production and of changes in the quantitative coronary blood flow. We diagnosed microvascular CAS according to lactate production and a decrease in coronary blood flow without epicardial vasospasm during the acetylcholine provocation test. We prospectively followed up the patients with calcium channel blockers for microvascular coronary artery disease. We identified 50 patients with microvascular CAS who demonstrated significant impairment of the endothelium-dependent vascular response, which was assessed by coronary blood flow during the acetylcholine provocation test. Administration of isosorbide dinitrate normalized the abnormal coronary flow pattern in the patients with microvascular CAS. Multivariate logistic regression analysis indicated that female sex, a lower body mass index, minor–borderline ischemic electrocardiogram findings at rest, limited–baseline diastolic-to-systolic velocity ratio, and attenuated adenosine triphosphate–induced coronary flow reserve were independently correlated with the presence of microvascular CAS. Receiver-operating characteristics curve analysis revealed that the aforementioned 5-variable model showed good correlation with the presence of microvascular CAS (area under the curve: 0.820). No patients with microvascular CAS treated with calcium channel blockers developed cardiovascular events over 47.8±27.5 months. Conclusions Microvascular CAS causes distinctive clinical features and endothelial dysfunction that are important to recognize as nonobstructive coronary artery disease so that optimal care with calcium channel blockers can be provided. Clinical Trial Registration URL: www.umin.ac.jp/ctr. Unique identifier: UMIN000003839.
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Affiliation(s)
- Keisuke Ohba
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
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Akiyama E, Sugiyama S, Matsuzawa Y, Konishi M, Suzuki H, Nozaki T, Ohba K, Matsubara J, Maeda H, Horibata Y, Sakamoto K, Sugamura K, Yamamuro M, Sumida H, Kaikita K, Iwashita S, Matsui K, Kimura K, Umemura S, Ogawa H. Incremental prognostic significance of peripheral endothelial dysfunction in patients with heart failure with normal left ventricular ejection fraction. J Am Coll Cardiol 2012; 60:1778-86. [PMID: 23040568 DOI: 10.1016/j.jacc.2012.07.036] [Citation(s) in RCA: 206] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2012] [Revised: 07/04/2012] [Accepted: 07/23/2012] [Indexed: 11/16/2022]
Abstract
OBJECTIVES The purpose of this study was to investigate whether peripheral endothelial dysfunction could predict the occurrence of cardiovascular events in patients with heart failure (HF) with normal left ventricular ejection fraction (HFNEF). BACKGROUND Endothelial dysfunction plays an important role in HF, but the relation between peripheral endothelial dysfunction and prognosis in HFNEF remains unknown. METHODS We conducted a prospective cohort study of 321 patients with HFNEF. We evaluated cardiac function by echocardiography measuring the ratio of early transmitral flow velocity to tissue Doppler early diastolic mitral annular velocity (E/e'), noninvasively assessed peripheral endothelial function by reactive hyperemia-peripheral arterial tonometry (RH-PAT) as the RH-PAT index (RHI), and followed cardiovascular events. RESULTS A total of 59 patients had a cardiovascular event. Kaplan-Meier analysis demonstrated a significantly higher probability of cardiovascular events in the low RHI group than in the high RHI group (mean follow-up: 20 months; log-rank test: p < 0.001). Multivariate Cox hazard analysis identified RHI (per 0.1) (hazard ratio [HR]: 0.80; 95% confidence interval [CI]: 0.67 to 0.94; p = 0.007), E/e' (Ln[E/e'] [per 0.1]) (HR: 1.15; 95% CI: 1.04 to 1.26; p = 0.006), and B-type natriuretic peptide (BNP) (Ln[BNP] [per picogram/milliliter]) (HR: 1.81; 95% CI: 1.44 to 2.28; p < 0.001) as independent predictors of cardiovascular events. The C-statistics for cardiovascular events substantially increased when the RHI was added to the HFNEF prognostic 5 factors (PF5)-age, diabetes, New York Heart Association classification, HF hospitalization history, and left ventricular ejection fraction-which were identified in the I-PRESERVE (Irbesartan in Heart Failure with Preserved Ejection Fraction Study) (PF5 alone: 0.671; PF5 + RHI: 0.712). The net reclassification index was significant after addition of the RHI (19.0%, p = 0.01). CONCLUSIONS Peripheral endothelial dysfunction independently correlated with future cardiovascular events, adding incremental clinical significance for risk stratification in patients with HFNEF. (Endothelial Dysfunction Assessed by Reactive Hyperemia Peripheral Arterial Tonometry and Heart Failure with Preserved Left Ventricular Ejection Fraction; UMIN000002640).
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Affiliation(s)
- Eiichi Akiyama
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
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Noda S, Asano Y, Akamata K, Aozasa N, Taniguchi T, Takahashi T, Ichimura Y, Toyama T, Sumida H, Yanaba K, Tada Y, Sugaya M, Kadono T, Sato S. Constitutive activation of c-Abl/protein kinase C-δ/Fli1 pathway in dermal fibroblasts derived from patients with localized scleroderma. Br J Dermatol 2012; 167:1098-105. [PMID: 22591006 DOI: 10.1111/j.1365-2133.2012.11055.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
BACKGROUND A noncanonical pathway of transforming growth factor-β signalling, the c-Abl/protein kinase C-δ (PKC-δ)/Friend leukemia virus integration 1 (Fli1) axis, is a powerful regulator of collagen synthesis in dermal fibroblasts. OBJECTIVES To investigate the significance of the c-Abl/PKC-δ/Fli1 pathway for the establishment of the profibrotic phenotype in lesional dermal fibroblasts from patients with localized scleroderma (LSc). METHODS The activation status of the c-Abl/PKC-δ/Fli1 pathway was evaluated by immunoblotting and chromatin immunoprecipitation using cultured dermal fibroblasts from patients with LSc and closely matched healthy controls and by immunostaining on skin sections. The effects of a platelet-derived growth factor receptor inhibitor AG1296 and gene silencing of c-Abl on the expression levels of type I collagen were evaluated by immunoblotting. RESULTS The phosphorylation levels of Fli1 at threonine 312 were increased, while the total Fli1 levels and the binding of Fli1 to the COL1A2 promoter were decreased, in cultured LSc fibroblasts compared with cultured normal fibroblasts. Furthermore, in cultured LSc fibroblasts, the expression levels of c-Abl were elevated compared with cultured normal fibroblasts and PKC-δ was preferentially localized in the nucleus. These findings were also confirmed in vivo by immunohistochemistry using skin sections. Moreover, gene silencing of c-Abl, but not AG1296, significantly suppressed the expression of type I collagen in cultured LSc fibroblasts. CONCLUSIONS Constitutive activation of the c-Abl/PKC-δ/Fli1 pathway at least partially contributes to the establishment of the profibrotic phenotype in LSc dermal fibroblasts, which provides a novel molecular basis to explain the efficacy of imatinib against skin sclerosis in a certain subset of LSc.
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Affiliation(s)
- S Noda
- Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan
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31
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Yanaba K, Asano Y, Noda S, Akamata K, Aozasa N, Taniguchi T, Takahashi T, Ichimura Y, Toyama T, Sumida H, Kuwano Y, Tada Y, Sugaya M, Kadono T, Sato S. Augmented production of soluble CD93 in patients with systemic sclerosis and clinical association with severity of skin sclerosis. Br J Dermatol 2012; 167:542-7. [PMID: 22540233 DOI: 10.1111/j.1365-2133.2012.11020.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
BACKGROUND The cell surface protein CD93, expressed on endothelial and myeloid cells, mediates phagocytosis, inflammation and cell adhesion. A soluble form of CD93 (sCD93) is released during inflammation. OBJECTIVES To determine the serum sCD93 level and its association with clinical parameters in patients with systemic sclerosis (SSc). METHODS Serum sCD93 levels were examined by enzyme-linked immunosorbent assay in 59 patients with SSc, 24 patients with systemic lupus erythematosus and 47 healthy individuals. The expression of CD93 in skin tissues was examined immunohistochemically. In a retrospective longitudinal study, sera from 11 patients with SSc were analysed. RESULTS Serum sCD93 levels were increased in patients with SSc compared with healthy individuals (P<0·001). Patients with diffuse cutaneous SSc showed greater levels of sCD93 than those with limited cutaneous SSc (P<0·01) or systemic lupus erythematosus (P<0·01). Serum sCD93 levels correlated positively with the severity of skin sclerosis. Strong CD93 immunostaining was observed on endothelial cells in lesional skin tissues. In the longitudinal study, sCD93 levels decreased in parallel with improvement in skin sclerosis. CONCLUSIONS Serum sCD93 levels are increased in patients with SSc and correlate with the severity and activity of skin sclerosis. CD93 may contribute to the development of skin fibrosis in SSc.
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Affiliation(s)
- K Yanaba
- Department of Dermatology, Faculty of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.
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Toyama K, Sugiyama S, Oka H, Iwasaki Y, Sumida H, Tanaka T, Tayama S, Jinnouchi H, Ogawa H. Combination treatment of rosuvastatin or atorvastatin, with regular exercise improves arterial wall stiffness in patients with coronary artery disease. PLoS One 2012; 7:e41369. [PMID: 22829944 PMCID: PMC3400658 DOI: 10.1371/journal.pone.0041369] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2012] [Accepted: 06/20/2012] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVE Statin- and exercise-therapy are both clinically beneficial by preventing cardiovascular events in patients with coronary artery disease (CAD). However, there is no information on the vascular effects of the combination of statins and exercise on arterial wall stiffness in CAD patients. METHODS The present study is a sub-analysis of PRESET study that determined the effects of 20-week treatment with statins (rosuvastatin, n=14, atorvastatin, n=14) combined with regular exercise on arterial wall stiffness assessed by measurement of brachial and ankle pulse wave velocity (baPWV) in CAD patients. RESULTS The combination of statins and regular exercise significantly improved exercise capacity, lipid profile, including low- and high-density lipoprotein cholesterol, and high-sensitivity C-reactive protein (hs-CRP), baPWV (baseline: 1747 ± 355, at 20 weeks of treatment: 1627 ± 271 cm/s, p=0.008), and basophil count (baseline: 42 ± 32, 20 weeks: 26 ± 15 cells/µL, p=0.007), but had no effect on blood pressure (baseline: 125 ± 22, 20 weeks: 121 ± 16 mmHg). Changes in baPWV correlated significantly with changes in basophil count (r=0.488, p=0.008), but not with age, lipids profile, exercise capacity, or hs-CRP. CONCLUSION In CAD patients, the combination treatment with statins and exercise resulted in significant amelioration of arterial wall stiffness, at least in part, through reduction of circulating basophils.
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Affiliation(s)
- Kensuke Toyama
- Faculty of Life Science, Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
- Research Fellowship of the Japan Society for the Promotion of Science, Tokyo, Japan
- Division of Cardiology, Health Insurance Hitoyoshi General Hospital, Kumamoto, Japan
| | - Seigo Sugiyama
- Faculty of Life Science, Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
- * E-mail:
| | - Hideki Oka
- Division of Cardiology, Health Insurance Hitoyoshi General Hospital, Kumamoto, Japan
| | - Yuri Iwasaki
- Clinical Research Center, Health Insurance Hitoyoshi General Hospital, Kumamoto, Japan
| | - Hitoshi Sumida
- Division of Cardiology, Kumamoto Central Hospital, Kumamoto, Japan
| | - Tomoko Tanaka
- Division of Preventive Cardiology, Department of Cardiovascular Medicine, Kumamoto University Hospital, Kumamoto, Japan
| | - Shinji Tayama
- Division of Cardiology, Health Insurance Hitoyoshi General Hospital, Kumamoto, Japan
- Division of Preventive Cardiology, Department of Cardiovascular Medicine, Kumamoto University Hospital, Kumamoto, Japan
| | - Hideaki Jinnouchi
- Division of Preventive Cardiology, Department of Cardiovascular Medicine, Kumamoto University Hospital, Kumamoto, Japan
| | - Hisao Ogawa
- Faculty of Life Science, Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
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Nagayoshi Y, Kawano H, Kojima S, Soejima H, Kaikita K, Nakayama M, Sumida H, Sugiyama S, Ogawa H. Significance of coronary vasospasm in the perioperative management of non-cardiac surgery. Circ J 2012; 76:1965-71. [PMID: 22664755 DOI: 10.1253/circj.cj-11-1278] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [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: 12/31/2022]
Abstract
BACKGROUND The number of patients undergoing non-cardiac surgery has been increasing. Thus, the reduction of cardiac events is important during the perioperative period. The prevalence of Japanese patients with coronary vasospasm is higher as compared with Western countries. The present study reported the role of coronary vasospasm in the perioperative period in a Japanese university hospital. METHODS AND RESULTS A total of 77,745 consecutive patients who underwent non-cardiac surgery in Kumamoto University Hospital between April 2003 and March 2010 were retrospectively examined. Forty-two cases in which patients underwent coronary catheterization due to cardiovascular events in the perioperative period were reviewed, and data were collected on the type of surgery, urgency of surgery, cardiac risk factors, previous history and the cardiology consultation. The Revised Cardiac Risk Index (RCRI) was also calculated. A total of 18 patients were diagnosed as having definite vasospastic angina. In the definite vasospastic angina group, 9 patients had cardiovascular events intraoperatively. Six patients were in the group undergoing high-risk surgery. The RCRI score in the definite vasospastic angina group was 0.5±0.6 (mean±SEM), and only 2 patients had a preoperative consultation with a cardiologist. CONCLUSIONS Coronary vasospasm is not often encountered, but it can be a cause of cardiac trouble in the perioperative period. It should be taken into consideration at the time of planning of operation in Japanese patients even if they apparently have low cardiac risk.
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Affiliation(s)
- Yasuhiro Nagayoshi
- Department of Cardiovascular Medicine, National Health Insurance Central Hospital Aso, Kumamoto, Japan.
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Taniguchi T, Asano Y, Akamata K, Aozasa N, Noda S, Takahashi T, Ichimura Y, Toyama T, Sumida H, Kuwano Y, Yanaba K, Tada Y, Sugaya M, Kadono T, Sato S. Serum levels of ADAM12-S: possible association with the initiation and progression of dermal fibrosis and interstitial lung disease in patients with systemic sclerosis. J Eur Acad Dermatol Venereol 2012; 27:747-53. [DOI: 10.1111/j.1468-3083.2012.04558.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Matsubara J, Sugiyama S, Sugamura K, Nakamura T, Fujiwara Y, Akiyama E, Kurokawa H, Nozaki T, Ohba K, Konishi M, Maeda H, Izumiya Y, Kaikita K, Sumida H, Jinnouchi H, Matsui K, Kim-Mitsuyama S, Takeya M, Ogawa H. A dipeptidyl peptidase-4 inhibitor, des-fluoro-sitagliptin, improves endothelial function and reduces atherosclerotic lesion formation in apolipoprotein E-deficient mice. J Am Coll Cardiol 2012; 59:265-76. [PMID: 22240132 DOI: 10.1016/j.jacc.2011.07.053] [Citation(s) in RCA: 222] [Impact Index Per Article: 18.5] [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] [Received: 05/27/2011] [Revised: 07/05/2011] [Accepted: 07/19/2011] [Indexed: 01/21/2023]
Abstract
OBJECTIVES The aim of this study was to investigate the antiatherogenic effects of the dipeptidyl peptidase-4 inhibitor, des-fluoro-sitagliptin (DFS). BACKGROUND The new class of anti-type 2 diabetes drugs, dipeptidyl peptidase-4 inhibitors, improves glucose metabolism by increasing levels of active glucagon-like peptide (GLP)-1. METHODS Endothelial function was examined by acetylcholine-induced endothelium-dependent vasorelaxation using aortic rings and atherosclerotic lesion development in the entire aorta in apolipoprotein E-deficient mice fed a high-fat diet with or without DFS, and the antiatherogenic effects of DFS were investigated in cultured human macrophages and endothelial cells. Plasma levels of active GLP-1 were measured in patients with or without coronary artery disease. RESULTS DFS significantly improved endothelial dysfunction (89.9 ± 3.9% vs. 79.2 ± 4.3% relaxation at 10(-4) mol/l acetylcholine, p < 0.05) associated with increased endothelial nitric oxide synthase phosphorylation and reduced atherosclerotic lesion area (17.7% [15.6% to 25.8%] vs. 24.6% [19.3% to 34.6%], p < 0.01) compared with vehicle treatment. In cultured human macrophages, DFS significantly increased GLP-1-induced cytosolic levels of cyclic adenosine monophosphate compared with GLP-1 alone, resulted in inhibiting phosphorylation of c-jun N-terminal kinase and extracellular signal-regulated kinase 1/2 and nuclear factor-kappa B p65 nuclear translocation through the cyclic adenosine monophosphate/protein kinase A pathway, and suppressed proinflammatory cytokines (i.e., interleukin-1-beta, interleukin-6, and tumor necrosis factor-alpha) and monocyte chemoattractant protein-1 production in response to lipopolysaccharide. DFS-enhanced GLP-1 activity sustained endothelial nitric oxide synthase phosphorylation and decreased endothelial senescence and apoptosis compared with GLP-1 alone. In the human study, fasting levels of active GLP-1 were significantly lower in patients with coronary artery disease than those without (3.10 pmol/l [2.40 to 3.62 pmol/l] vs. 4.00 pmol/l [3.10 to 5.90 pmol/l], p < 0.001). CONCLUSIONS A DPP-4 inhibitor, DFS, exhibited antiatherogenic effects through augmenting GLP-1 activity in macrophages and endothelium.
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Affiliation(s)
- Junichi Matsubara
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
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Kimura Y, Ohba K, Sumida H, Tsujita K, Hirose T, Maruyama H, Hirai S, Kaikita K, Hokimoto S, Sugiyama S, Ogawa H. A survival case of cardiogenic shock due to left main coronary artery myocardial infarction: successful cooperation with on-site percutaneous coronary intervention and helicopter emergency medical service. Intern Med 2012; 51:1845-50. [PMID: 22821098 DOI: 10.2169/internalmedicine.51.7442] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [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: 11/06/2022] Open
Abstract
A 54-year-old man was referred to a local hospital, located about 90 km from our hospital, with cardiogenic shock due to left main coronary artery infarction (LMCA-MI). Percutaneous coronary intervention (PCI) was performed under intra-aortic balloon pumping (IABP) support, but resulted in insufficient reperfusion and his condition worsened. The helicopter emergency medical service (HEMS) rapidly transported the patient to our hospital. After percutaneous cardio-pulmonary support system (PCPS) insertion, PCI could establish the coronary flow. A series of intensive therapies saved the patient. The cooperation of medical and emergency service system following revascularization and intensive care saved the patient with LMCA-MI accompanied by cardiogenic shock.
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Affiliation(s)
- Yuichi Kimura
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Japan
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Onoue Y, Izumiya Y, Takashio S, Ono T, Morihisa K, Tsujita K, Yamamoto E, Yamamuro M, Kaikita K, Tayama S, Hokimoto S, Sumida H, Sugiyama S, Ogawa H. Multidisciplinary mechanical supports improve outcome in a shock patient with cardiac amyloidosis: a case report. Intern Med 2012; 51:1215-9. [PMID: 22687793 DOI: 10.2169/internalmedicine.51.7196] [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: 11/06/2022] Open
Abstract
Shock patients with restrictive cardiomyopathy due to cardiac amyloidosis are refractory to medical treatment. Here, we report a case of early initiation of intra-aortic balloon pumping (IABP) in a patient with cardiac amyloidosis who developed postoperative shock. Continuous hemodiafiltration was also applied to control circulating fluid volume. The mechanical treatments allowed reduction of the doses of catecholamine and diuretics and resulted in full recovery. It is reasonable to initiate IABP and hemofiltration dialysis during the early stages for the appropriate control of hemodynamics and fluid in shock patients with cardiac amyloidosis.
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Affiliation(s)
- Yoshiro Onoue
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Japan
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Toyama T, Asano Y, Takahashi T, Aozasa N, Akamata K, Noda S, Taniguchi T, Ichimura Y, Sumida H, Tamaki Z, Masui Y, Tada Y, Sugaya M, Sato S, Kadono T. Clinical significance of serum retinol binding protein-4 levels in patients with systemic sclerosis. J Eur Acad Dermatol Venereol 2011; 27:337-44. [PMID: 22211766 DOI: 10.1111/j.1468-3083.2011.04413.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Retinol binding protein-4 (RBP-4) is a member of adipocytokines, which is potentially associated with fibrosis, vasodilation, and angiogenesis in addition to insulin resistance. OBJECTIVE To investigate the clinical significance of serum RBP4 levels in patients with systemic sclerosis (SSc), which is a systemic autoimmune disease characterized by fibrosis and vasculopathy. METHODS Serum RBP4 levels were determined by enzyme-linked immunosorbent assay in 62 SSc patients and 19 healthy controls. RESULTS Similar to patients with chronic kidney disease, serum RBP4 levels inversely correlated with estimated glomerular filtration rate in SSc patients with renal dysfunction. Therefore, analyses were carried out by excluding SSc patients with estimated glomerular filtration rate <60 mL/min/1.73 m(2) . Serum RBP4 levels were significantly lower in diffuse cutaneous SSc (dcSSc) than in control subjects [median (25-75 percentile); 25.8 μg/mL (19.6-47.0) vs. 43.1 μg/mL (31.7-53.4), P < 0.05], while there was no significant difference between limited cutaneous SSc (lcSSc) [28.0 μg/mL (25.4-43.3)] and control subjects. In both of dcSSc and lcSSc, patients with Raynaud's phenomenon had RBP4 levels significantly lower than those without. Furthermore, serum RBP4 levels inversely correlated with pulmonary function test results in dcSSc and with right ventricular systolic pressure in lcSSc. CONCLUSION Decreased RBP4 levels are associated with the prevalence of Raynaud's phenomenon in dcSSc and lcSSc, with the severity of interstitial lung disease in dcSSc, and with the degree of pulmonary vascular involvement in lcSSc, suggesting the possible contribution of RBP4 to the pathological events in this disorder.
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Affiliation(s)
- T Toyama
- Department of Dermatology, University of Tokyo Graduate School of Medicine, Tokyo, Japan
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Taniguchi T, Asano Y, Hatano M, Tamaki Z, Tomita M, Kawashima T, Miyazaki M, Sumida H, Akamata K, Takahashi T, Ichimura Y, Toyama T, Sugita M, Noda S, Yao A, Kinugawa K, Sato S. Effects of bosentan on nondigital ulcers in patients with systemic sclerosis. Br J Dermatol 2011; 166:417-21. [PMID: 21848685 DOI: 10.1111/j.1365-2133.2011.10581.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Bosentan is an oral dual endothelin receptor antagonist, which has been shown to be efficacious for preventing new digital ulcers in patients with systemic sclerosis (SSc) in two high-quality randomized controlled trials. However, its efficacy for nondigital ulcers in SSc remains unknown. OBJECTIVES To evaluate the efficacy of bosentan on nondigital ulcers in patients with SSc. METHODS Bosentan was administered to five patients with SSc with pulmonary arterial hypertension, who also had nondigital ulcers refractory to conventional treatments. The efficacy of bosentan on nondigital ulcers and its association with clinical features of ulcers were analysed. RESULTS The nondigital ulcers refractory to conventional treatments were significantly improved by the administration of bosentan in cases surrounded with severe cyanosis. In contrast, nondigital ulcers without cyanosis were still refractory to bosentan therapy. CONCLUSIONS Bosentan may be efficacious for accelerating the healing of nondigital ulcers with severe cyanosis, suggesting that nondigital ulcers caused by severely impaired peripheral circulation are highly responsive to this treatment.
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Affiliation(s)
- T Taniguchi
- Departments of Dermatology and Cardiovascular Medicine, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan
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Ono T, Kaikita K, Hokimoto S, Iwashita S, Yamamoto K, Miyazaki Y, Horio E, Sato K, Tsujita K, Abe T, Deguchi M, Tayama S, Sumida H, Sugiyama S, Yamabe H, Nakamura S, Nakagawa K, Ogawa H. Determination of cut-off levels for on-clopidogrel platelet aggregation based on functional CYP2C19 gene variants in patients undergoing elective percutaneous coronary intervention. Thromb Res 2011; 128:e130-6. [DOI: 10.1016/j.thromres.2011.07.028] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2011] [Revised: 06/19/2011] [Accepted: 07/14/2011] [Indexed: 10/17/2022]
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Konishi M, Sugiyama S, Sugamura K, Nozaki T, Ohba K, Matsubara J, Sumida H, Nagayoshi Y, Utsunomiya D, Awai K, Yamashita Y, Matsuzawa Y, Kimura K, Umemura S, Ogawa H. Total coronary artery plaque burden measured by cardiac computed tomography is associated with metabolic syndrome. J Atheroscler Thromb 2011; 18:939-45. [PMID: 21785228 DOI: 10.5551/jat.8953] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
AIM Increased coronary plaque burden, which could be involved in the pathogenesis of atherothrombotic events, is difficult to evaluate in the three major coronary arteries. The purpose of this study was to quantify coronary plaque volume using 64-slice computed tomography (CT). METHODS We measured coronary plaque volume with our new protocol in 23 consecutive patients (48% men; 66 ± 11 years old) who underwent cardiac CT for suspicion of coronary artery disease and had noncalcified plaques. We counted the total pixel volume of noncalcified plaques in the three major coronary arteries. RESULTS The coronary plaque volume was 1.29 ± 0.56 cm(3) in the right coronary artery, 1.29 ± 0.42cm(3) in the left main coronary artery and left anterior descending artery, and 0.88 ± 0.32 cm(3) in the left circumflex artery. The total coronary plaque burden (TCPB) was 3.45 ± 1.02 cm(3)/patient and had a positive correlation with waist circumference (r =0.44, p < 0.05) and insulin resistance (r = 0.46, p < 0.05). TCPB was significantly greater in men (3.89 ± 1.07 cm(3) vs. 3.06 ± 0.82 cm(3) in women, p < 0.05), patients with diabetes or impaired glucose tolerance (3.77 ± 0.94 cm(3) vs. 2.86 ± 0.92 cm(3) in non-diabetics, p < 0.05), and patients with metabolic syndrome (3.91 ± 0.95 cm(3) vs. 3.03 ± 0.91 cm(3) in patients without metabolic syndrome, p < 0.05). CONCLUSIONS Cardiac CT can provide a noninvasive assessment of TCPB, which was significantly associated with metabolic syndrome and its components. Measuring TCPB by CT could be an important strategy for identifying high-risk patients with suspected coronary artery disease.
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Affiliation(s)
- Masaaki Konishi
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
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Tayama S, Sumida H, Hokimoto S, Tsujita KI, Ogawa H. AS-095 The Outcomes of Percutaneous Coronary Stenting for Un-Protected Left Main Coronary Artery. Am J Cardiol 2011. [DOI: 10.1016/j.amjcard.2011.02.167] [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: 11/28/2022]
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Matsubara J, Sugiyama S, Nozaki T, Sugamura K, Konishi M, Ohba K, Matsuzawa Y, Akiyama E, Yamamoto E, Sakamoto K, Nagayoshi Y, Kaikita K, Sumida H, Kim-Mitsuyama S, Ogawa H. Pentraxin 3 is a new inflammatory marker correlated with left ventricular diastolic dysfunction and heart failure with normal ejection fraction. J Am Coll Cardiol 2011. [PMID: 21310324 DOI: 10.1016/j.cardfail.2011.06.380] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [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: 01/29/2023]
Abstract
OBJECTIVES This study investigated the clinical significance of plasma pentraxin 3 (PTX3) levels in patients with heart failure with normal ejection fraction (HFNEF) and whether PTX3 is produced from coronary circulation. BACKGROUND Pentraxin 3 is a novel inflammatory marker and a member of pentraxin superfamily including C-reactive protein (CRP). The relationship between inflammatory markers and HFNEF remains unclear. METHODS We measured peripheral blood levels of PTX3, high-sensitivity CRP, tumor necrosis factor-alpha, and interleukin-6 in 323 patients comprising 82 HFNEF, 70 heart failure (HF) with reduced EF, and 171 non-HF patients. Levels of PTX3 were also measured at the aortic root and the coronary sinus in 75 patients. RESULTS The levels of PTX3, tumor necrosis factor-alpha, and interleukin-6, but not high-sensitivity CRP, were significantly higher in HFNEF patients than in non-HF patients. Multivariate logistic regression analysis identified only high levels of PTX3 as the independent inflammatory marker correlated with the presence of HFNEF in patients with normal left ventricular (LV) EF (odds ratio [OR]: 1.49, 95% confidence interval [CI]: 1.11 to 1.98, p < 0.01) and with the presence of left ventricular diastolic dysfunction (LVDD) in non-HF patients (OR: 1.23, 95% CI: 1.02 to 1.50, p < 0.05). Levels of PTX3 at the coronary sinus were significantly higher than at the aortic root in HFNEF patients (p < 0.05) and in non-HF patients with LVDD (p < 0.01), but not different in non-HF patients without LVDD (p = 0.33). CONCLUSIONS Pentraxin 3 is significantly elevated in HFNEF patients and produced in the coronary circulation in patients with LVDD. Pentraxin 3, but not high-sensitivity CRP, is an independent inflammatory marker correlated with the presence of LVDD and HFNEF. (The Clinical Significance of Plasma Pentraxin 3 levels for Patients with Diastolic Heart Failure; UMIN000002170).
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Affiliation(s)
- Junichi Matsubara
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
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Kojima S, Kojima S, Maruyoshi H, Nagayoshi Y, Kaikita K, Sumida H, Sugiyama S, Funahashi T, Ogawa H. Hypercholesterolemia and hypoadiponectinemia are associated with necrotic core-rich coronary plaque. Int J Cardiol 2011; 147:371-6. [DOI: 10.1016/j.ijcard.2009.09.536] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2009] [Revised: 08/11/2009] [Accepted: 09/13/2009] [Indexed: 11/25/2022]
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Yamamoto K, Hokimoto S, Chitose T, Morita K, Ono T, Kaikita K, Tsujita K, Abe T, Deguchi M, Miyagawa H, Saruwatari J, Sumida H, Sugiyama S, Nakagawa K, Ogawa H. Impact of CYP2C19 polymorphism on residual platelet reactivity in patients with coronary heart disease during antiplatelet therapy. J Cardiol 2011; 57:194-201. [DOI: 10.1016/j.jjcc.2010.10.007] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2010] [Revised: 10/12/2010] [Accepted: 10/29/2010] [Indexed: 11/24/2022]
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Matsubara J, Sugiyama S, Nozaki T, Sugamura K, Konishi M, Ohba K, Matsuzawa Y, Akiyama E, Yamamoto E, Sakamoto K, Nagayoshi Y, Kaikita K, Sumida H, Kim-Mitsuyama S, Ogawa H. Pentraxin 3 Is a New Inflammatory Marker Correlated With Left Ventricular Diastolic Dysfunction and Heart Failure With Normal Ejection Fraction. J Am Coll Cardiol 2011; 57:861-9. [DOI: 10.1016/j.jacc.2010.10.018] [Citation(s) in RCA: 118] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2010] [Revised: 10/04/2010] [Accepted: 10/11/2010] [Indexed: 10/18/2022]
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Konishi M, Sugiyama S, Sato Y, Oshima S, Sugamura K, Nozaki T, Ohba K, Matsubara J, Sumida H, Nagayoshi Y, Sakamoto K, Utsunomiya D, Awai K, Jinnouchi H, Matsuzawa Y, Yamashita Y, Asada Y, Kimura K, Umemura S, Ogawa H. Pericardial fat inflammation correlates with coronary artery disease. Atherosclerosis 2010; 213:649-55. [DOI: 10.1016/j.atherosclerosis.2010.10.007] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2010] [Revised: 09/15/2010] [Accepted: 10/04/2010] [Indexed: 01/14/2023]
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Toyama K, Sugiyama S, Oka H, Sumida H, Ogawa H. Exercise therapy correlates with improving renal function through modifying lipid metabolism in patients with cardiovascular disease and chronic kidney disease. J Cardiol 2010; 56:142-6. [PMID: 20696551 DOI: 10.1016/j.jjcc.2010.06.007] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.7] [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] [Received: 05/13/2010] [Revised: 06/09/2010] [Accepted: 06/11/2010] [Indexed: 11/26/2022]
Abstract
BACKGROUND Patients with cardiovascular disease (CVD) and chronic kidney disease (CKD) are at high risk of cardiovascular mortality, thus therapies to improve renal function should be clinically investigated. METHODS AND RESULTS We divided consecutive patients with CVD and CKD (n=19) into exercise (n=10) and non-exercise (n=9) therapy groups. Exercise therapy for 12 weeks significantly improved the anaerobic metabolic threshold (AT-V O₂) and high-density lipoprotein cholesterol (HDL-C) levels, and reduced triglyceride levels. Exercise therapy also improved estimated glomerular filtration rate (eGFR). Change in eGFR correlated significantly and positively with change in AT-V O₂ and HDL-C, and negatively with change in triglyceride levels. CONCLUSIONS Exercise therapy correlates with improving renal function in CVD patients with CKD through modifying lipid metabolism. Exercise therapy could be an effective clinical strategy to improve renal function.
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Affiliation(s)
- Kensuke Toyama
- Department of Cardiovascular Medicine, Faculty of Life Science, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto 860-8556, Japan
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Matsuzawa Y, Sugiyama S, Sugamura K, Nozaki T, Ohba K, Konishi M, Matsubara J, Sumida H, Kaikita K, Kojima S, Nagayoshi Y, Yamamuro M, Izumiya Y, Iwashita S, Matsui K, Jinnouchi H, Kimura K, Umemura S, Ogawa H. Digital Assessment of Endothelial Function and Ischemic Heart Disease in Women. J Am Coll Cardiol 2010; 55:1688-96. [DOI: 10.1016/j.jacc.2009.10.073] [Citation(s) in RCA: 181] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2009] [Revised: 09/24/2009] [Accepted: 10/12/2009] [Indexed: 11/26/2022]
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Sugamura K, Sugiyama S, Fujiwara Y, Matsubara J, Akiyama E, Maeda H, Ohba K, Matsuzawa Y, Konishi M, Nozaki T, Horibata Y, Kaikita K, Sumida H, Takeya M, Ogawa H. Cannabinoid 1 receptor blockade reduces atherosclerosis with enhances reverse cholesterol transport. J Atheroscler Thromb 2010; 17:141-7. [PMID: 20124735 DOI: 10.5551/jat.2865] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
AIM A recent clinical study using coronary intravascular ultrasound showed that rimonabant, a cannabinoid 1 (CB1) receptor antagonist, significantly reduced total atheroma volume, suggesting that CB1 receptor blockade could be beneficial in anti-atherogenic therapy. The reverse cholesterol transport (RCT) system plays important roles in atherogenesis. We investigated whether CB1 receptor blockade could modulate atherogenesis in mice. METHODS AND RESULTS Oral administration of rimonabant (8 mg/kg/day) to apolipoprotein E-deficient mice for 3 months significantly reduced the relative area of atherosclerotic lesions in the aorta (vehicle; 12.6+/-4.0% vs. rimonabant; 9.7+/-2.3, n=12 each, p<0.05) with an increase in serum adiponectin levels (15.6+/-2.3 microg/mL vs. 12.2+/-2.1, n=12 each, p<0.001), without affecting body weight or serum cholesterol levels. Rimonabant tended to increase serum high-density lipoprotein cholesterol (HDL-C) (p=0.05). The relative area of atherosclerotic lesions in the aorta correlated inversely with serum HDL-C levels (r=-0.45, n=24, p<0.05). Rimonabant upregulated the mRNA expression levels of various components of the RCT system on THP-1 cell-derived macrophages (scavenger receptor B1: 1.15+/-0.12 fold, n=6; p<0.05, ATP-binding cassette [ABC] transporter G1: 1.23+/-0.11 fold, n=6; p<0.01), but not ABCA1 (1.13+/-0.20 fold, n=6; p=0.13). CONCLUSION CB1 receptor blockade reduced atherosclerosis in apoE-deficient mice through an increase in serum adiponectin levels and activation of the RCT system. CB1 receptor blockade may be therapeutically beneficial for atherogenesis by increasing the serum adiponectin level and enhancing of the RCT system.
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Affiliation(s)
- Koichi Sugamura
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
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