Differential Myolysis of Myocardium and Skeletal Muscle in Hamsters With Dilated Cardiomyopathy : Beneficial Protective Effect of Diltiazem
スポンサーリンク
概要
- 論文の詳細を見る
Background Although dilated cardiomyopathic hamsters (TO-2) with mutation of the δ-sarcoglycan gene exhibit histological features of muscular dystrophy, it remains to be elucidated whether both myocardium and skeletal muscle are injured in a similar manner. Methods and Results The progression of myolysis in both myocardium and skeletal muscle were assessed biochemically and pathologically in TO-2 and FIB control hamsters. Left ventricular (LV) function was assessed by echocardiography and cardiac catheterization. Both the plasma concentration of cardiac troponin T and the plasma activity of α-hydroxybutyrate dehydrogenase (HBD) peaked at 8 weeks of age, and thereafter reduced greatly in TO-2 hamsters. Activity of creatine kinase (CK) in TO-2 hamsters was significantly greater than in controls throughout the observation period. Pathological findings of both nuclear chain and central nuclei in skeletal muscles were observed in TO-2 hamsters throughout the observation period, suggesting regeneration. LV dysfunction was first evident at 8 weeks of age and deteriorated thereafter in TO-2 hamsters. Treatment of TO-2 hamsters with diltiazem from 5 to 8 weeks of age could avert the LV functional deterioration and the increment in α-HBD activity, but CK activity was unchanged. Conclusions Despite myolysis in skeletal muscle occurring consistently throughout the observation period, cardiac myolysis occurred predominantly in the early phase. These initial cardiac events might involve coronary spasm and/or calcium overload in the myocardium.
- 社団法人日本循環器学会の論文
- 2006-10-20
著者
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Mano Akiko
Department Of Organ Transplantation National Cardiovascular Center
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Yokota M
Department Of Genome Science School Of Dentistry Aichi-gakuin University
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Nagata Kohzo
Pathophysiological Laboratory Sciences, Graduate School of Medicine, Nagoya University
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Kimata Hirotaka
Department Of Pathobiological Science And Technology Faculty Of Medicine Tottori University
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Umeda Hisashi
Division Of Cardiology Toyota Memorial Hospital
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Kadowaki Takashi
滋賀大学 医学部健康科学科
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Kato Yosuke
Pathophysiological Laboratory Sciences Graduate School Of Medicine Nagoya University
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Kasai Yurie
名古屋大学 医学系研究科生体生理解析学
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Nagata Kohzo
名古屋大学 医学系研究科病態解析学
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Nagata Kohzo
名古屋大学 医学系研究科医療技術科学専攻
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Nagata Kohzo
名古屋大学 医学系研究科循環器ゲノム情報応用診断学
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IWASE Mitsunori
Pathophysiological Laboratory Sciences, Graduate School of Medicine, Nagoya University
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NODA Akiko
Pathophysiological Laboratory Sciences, Graduate School of Medicine, Nagoya University
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KOIKE Yasuo
Pathophysiological Laboratory Sciences, Graduate School of Medicine, Nagoya University
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Yokota Mitsuhiro
Department Of Genome Science School Of Dentistry Aichi-gakuin University
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Yokota Mitsuhiro
Department Of Clinical Pathophysiology Nagoya University Graduate School Of Medicine
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Noda A
Nagoya University School Of Health Sciences
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Kanda Hirofumi
Department Of Cardiology Nagoya University Graduate School Of Medicine
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Izawa Hideo
Division Of Cardiology Fujita Health University Hospital
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Izawa Hideo
Department Of Cardiology Nagoya University Graduate School Of Medicine
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Nishizawa Takao
Department Of Cardiology Nagoya University Graduate School Of Medicine
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KANAZAWA Hiroaki
School of Nursing, University of Shizuoka
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Nakamura Kae
名古屋大学 循環病態探索医療学
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Iwase M
Pathophysiological Laboratory Sciences Graduate School Of Medicine Nagoya University
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KANDA Hirofumi
First Department of Internal Medicine
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Kato Yuriko
名古屋大学 医学系研究科生体生理解析学
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Kanda Hirofumi
Nagoya University Graduate School Of Medicine
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Kodama Yasuhiro
Pathophysiological Laboratory Sciences Graduate School Of Medicine Nagoya University
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Kanazawa Hiroaki
Department Of Cardiology Nagoya University Graduate School Of Medicine
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Iwase Mitsunori
名古屋大学 医学系研究科医療技術科学専攻
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Takagi Kenji
Pathophysiological Laboratory Sciences, Graduate School of Medicine, Nagoya University
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Matsushita Aya
Pathophysiological Laboratory Sciences, Graduate School of Medicine, Nagoya University
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Katoh Yosuke
Nagoya University School of Health Sciences
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Iwase Mitsunori
School Of Health Sciences Nagoya University
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Noda Akiko
School Of Health Sciences
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Izawa Hideo
Department Of Cardiology
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Kanda Hirofumi
Department Of Pathobiological Science And Technology Faculty Of Medicine Tottori University
-
Koike Y
Nagoya University School Of Health Sciences
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Takagi Kenzo
Third Division Of The Research Laboratory For Development Of Medicine School Of Pharmacy Hokuriku Un
-
Yamada Kazuo
Division Of Circulation And Respiration The Research Institute Of Environmental Medicine Nagoya Univ
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Amaki Makoto
Division Of Cardiology National Cardiovascular Center
-
Amaki Makoto
Department Of Cardiology National Cardiovascular Center
-
Matsushita Aya
Pathophysiological Laboratory Sciences Graduate School Of Medicine Nagoya University
-
Kanazawa Hiroaki
School Of Nursing University Of Shizuoka
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Umeda Hisashi
Aichi Prefectural Owari Hospital Cardiovascular Center
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Yokota Mitsuhiro
Division Of Cardiology Gifu Social-insurance Hospital
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Iwase Mitsunori
Pathophysiological Laboratory Sciences Graduate School Of Medicine Nagoya University
-
Yokota Mitsuhiro
Department Clinical Laboratory Nagoya University Hospital
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Kanda Hirofumi
Department Of Cardiology Nagoya University School Of Medicine
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Kanazawa Hiroaki
Department Of Cardiology Social Insurance Chukyo Hospital
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Yokota Mitsuhiro
Graduate School Of Medicine Nagoya University
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Iwase Masatsugu
Division Of Integrated Medicine Toyota Memorial Hospital
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Iwase Mitsunori
Department Of Medical Technology Nagoya University School Of Health Sciences
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Yokota Mitsuhiro
Nagoya University College Of Medical Technology Cardiovascular Section Department Of Clinical Labora
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Koike Yasuo
Pathophysiological Laboratory Sciences Graduate School Of Medicine Nagoya University
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Noda Akiko
Pathophysiological Laboratory Sciences Graduate School Of Medicine Nagoya University
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Nagata Kozo
Graduate School Of Medicine Nagoya University
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Nagata Kohzo
Department Of Medical Technology School Of Health Sciences Nagoya University
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