WEKO3
アイテム
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Galectin-3 (Gal-3) expressed in endothelial cells regulates vascular fibrosis and is a molecular determinant of vascular stiffness. \nHypothesis: We aimed to clarify whether VE selectively correlates with marker of vascular stiffness in chronic kidney disease (CKD). \nMethods: 12 moderate-to-severe CKD pts (mean eGFR 25.9±23.5 mL/min/1.73m2) and 15 controls were studied. Rest VE in brachial artery was measured by new automated oscillometric detector. VE was defined as follows [VE =ΔPressure/ (100XΔarea/Area) mmHg/%]. Using ultrasound, the brachial artery diameter at rest and during reactive hyperemia [flow mediated dilatation (FMD) with endothelial-dependent dilatation] was measured. Gal-3 and interleukin-6 (IL-6), a representative inflammatory marker, were measured by enzyme-linked immune assay.\nResults: CKD had lower FMD (4.86±3.37 vs 9.05±2.98 %, P=0.003) and had attenuated VE than control (1.08±0.26 vs 0.83±0.17 mmHg/%, P=0.002). CKD had higher IL-6 (0.67±0.29 vs 0.29±0.33 pg/mL, P=0.003) and higher Gal-3 (20.0±12.4 vs. 5.84±2.83 pg/mL, P\u003c0.001). VE was negatively correlated with %FMD (r=-0.46, P=0.015) and correlated with Gal-3 (r=0.40, P=0.036) but not in IL-6 (r=0.21, P=0.28).\nConclusions: Attenuated vascular elasticity detected by this novel approach closely correlated with increase in Gal-3 and reduced FMD in CKD. This may indicate that the attenuated vascular elasticity selectively reflects vascular fibrosis as evidenced by Gal-3 and subsequent endothelial responses to vascular stiffness. 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Vascular Elasticity Measured by Novel Brachial Artery Vascular Volume Elastic Modulus With Automated Oscillometry Correlates With Molecular Determinant of Vascular Fibrosis
https://repo.qst.go.jp/records/71885
https://repo.qst.go.jp/records/71885e8f05afa-2ea6-49c0-bb9e-420d5050d5e6
Item type | 会議発表用資料 / Presentation(1) | |||||
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公開日 | 2015-12-07 | |||||
タイトル | ||||||
タイトル | Vascular Elasticity Measured by Novel Brachial Artery Vascular Volume Elastic Modulus With Automated Oscillometry Correlates With Molecular Determinant of Vascular Fibrosis | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_c94f | |||||
資源タイプ | conference object | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Yoshinaga, Keiichito
× Yoshinaga, Keiichito× Tomiyama, Yuuki× Fujii, Satoshi× Nishio, Saori× Ochi, Noriki× Katoh, Chietsugu× Inoue, Mamiko× Nishida, Mutumi× Takeuchi, Keisuke× M., Ito Yoichi× Tamaki, Nagara× 吉永 恵一郎 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Introduction: Simple vascular function measurements are desirable for atherosclerosis risk assessments. Recently, we developed a novel modality of automated oscillometric method to measure a brachial artery’s vascular elastic modulus (VE) and reported that VE is uninfluenced by blood pressure. Galectin-3 (Gal-3) expressed in endothelial cells regulates vascular fibrosis and is a molecular determinant of vascular stiffness. Hypothesis: We aimed to clarify whether VE selectively correlates with marker of vascular stiffness in chronic kidney disease (CKD). Methods: 12 moderate-to-severe CKD pts (mean eGFR 25.9±23.5 mL/min/1.73m2) and 15 controls were studied. Rest VE in brachial artery was measured by new automated oscillometric detector. VE was defined as follows [VE =ΔPressure/ (100XΔarea/Area) mmHg/%]. Using ultrasound, the brachial artery diameter at rest and during reactive hyperemia [flow mediated dilatation (FMD) with endothelial-dependent dilatation] was measured. Gal-3 and interleukin-6 (IL-6), a representative inflammatory marker, were measured by enzyme-linked immune assay. Results: CKD had lower FMD (4.86±3.37 vs 9.05±2.98 %, P=0.003) and had attenuated VE than control (1.08±0.26 vs 0.83±0.17 mmHg/%, P=0.002). CKD had higher IL-6 (0.67±0.29 vs 0.29±0.33 pg/mL, P=0.003) and higher Gal-3 (20.0±12.4 vs. 5.84±2.83 pg/mL, P<0.001). VE was negatively correlated with %FMD (r=-0.46, P=0.015) and correlated with Gal-3 (r=0.40, P=0.036) but not in IL-6 (r=0.21, P=0.28). Conclusions: Attenuated vascular elasticity detected by this novel approach closely correlated with increase in Gal-3 and reduced FMD in CKD. This may indicate that the attenuated vascular elasticity selectively reflects vascular fibrosis as evidenced by Gal-3 and subsequent endothelial responses to vascular stiffness. Thus, this oscillometric measurement may be useful for detecting vascular fibrosis information and dysfunction in endothelium level. |
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会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | American Heart Association scientific session 2015 | |||||
発表年月日 | ||||||
日付 | 2015-11-08 | |||||
日付タイプ | Issued |