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Academic Journal

The left ventricle increases contractility in response to baroreceptor unloading, which is sympathetically mediated in the anesthetized rat.

  • Authors : Stewart LC; Centre for Chronic Disease Prevention and Management, University of British Columbia, Kelowna, British Columbia, Canada.; Centre for Heart, Lung & Vascular Health, University of British Columbia, Kelowna, British Columbia, Canada.

Subjects: Rats, Wistar* ; Myocardial Contraction*/Myocardial Contraction*/Myocardial Contraction*/physiology ; Myocardial Contraction*/Myocardial Contraction*/Myocardial Contraction*/drug effects

  • Source: Journal of applied physiology (Bethesda, Md. : 1985) [J Appl Physiol (1985)] 2024 Jul 01; Vol. 137 (1), pp. 136-144. Date of Electronic Publication: 2024 May 30.Publisher: American Physiological Society Country of Publication: United States NLM ID: 8502536 Publication Model:

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Academic Journal

Proteolytic degradation of atrial sarcomere proteins underlies contractile defects in atrial fibrillation.

  • Authors : Cizauskas HE; Department of Cell and Molecular Physiology, Loyola University Chicago, Chicago, Illinois, United States.; Burnham HV

Subjects: Atrial Fibrillation*/Atrial Fibrillation*/Atrial Fibrillation*/metabolism ; Atrial Fibrillation*/Atrial Fibrillation*/Atrial Fibrillation*/physiopathology ; Myocardial Contraction*

  • Source: American journal of physiology. Heart and circulatory physiology [Am J Physiol Heart Circ Physiol] 2024 Aug 01; Vol. 327 (2), pp. H460-H472. Date of Electronic Publication: 2024 Publisher: American Physiological Society Country of Publication: United States NLM ID: 100901228 Publication Model:

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Academic Journal

Last Word on Viewpoint: Cardiac "potential energy" estimation: ambiguous and subjective.

  • Authors : Han JC; Auckland Bioengineering Institute, The University of Auckland, Auckland, New Zealand.; Pham T

Subjects: Heart*/Heart*/Heart*/physiology; Humans ; Energy Metabolism/Energy Metabolism/Energy Metabolism/physiology

  • Source: Journal of applied physiology (Bethesda, Md. : 1985) [J Appl Physiol (1985)] 2024 Jul 01; Vol. 137 (1), pp. 83-84.Publisher: American Physiological Society Country of Publication: United States NLM ID: 8502536 Publication Model: Print

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Editorial & Opinion

Further theoretical and practical experimentation required for implementing new approaches in cardiac efficiency estimation.

  • Authors : Marocolo M; Department of Biophysics and Physiology, Federal University of Juiz de Fora, Juiz de Fora, Brazil.; Department of Training and Exercise Science, Faculty of Sport Science, Ruhr University Bochum, Bochum, Germany.

Subjects: Models, Cardiovascular*; Humans ; Heart/Heart/Heart/physiology

  • Source: Journal of applied physiology (Bethesda, Md. : 1985) [J Appl Physiol (1985)] 2024 Jul 01; Vol. 137 (1), pp. 81-82.Publisher: American Physiological Society Country of Publication: United States NLM ID: 8502536 Publication Model: Print

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Academic Journal

Estimation of cardiac potential energy utilizing the pressure-volume area.

  • Authors : Sogard AS; Department of Kinesiology, School of Public Health-Bloomington, Indiana University, Bloomington, Indiana, United States.; Mickleborough TD

Subjects: Models, Cardiovascular*; Humans ; Animals

  • Source: Journal of applied physiology (Bethesda, Md. : 1985) [J Appl Physiol (1985)] 2024 Jul 01; Vol. 137 (1), pp. 78.Publisher: American Physiological Society Country of Publication: United States NLM ID: 8502536 Publication Model: Print

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Academic Journal

The mysteries of cardiac efficiency: a detailed analysis.

  • Authors : Durço AO; Department of Biophysics, Federal University of São Paulo, São Paulo, Brazil.; Cruz JS

Subjects: Heart*/Heart*/Heart*/physiology; Humans ; Animals

  • Source: Journal of applied physiology (Bethesda, Md. : 1985) [J Appl Physiol (1985)] 2024 Jul 01; Vol. 137 (1), pp. 79-80.Publisher: American Physiological Society Country of Publication: United States NLM ID: 8502536 Publication Model: Print

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Academic Journal

Cardiac "potential energy" estimation: ambiguous and subjective.

  • Authors : Han JC; Auckland Bioengineering Institute, The University of Auckland, Auckland, New Zealand.; Pham T

Subjects: Energy Metabolism*/Energy Metabolism*/Energy Metabolism*/physiology; Humans ; Heart/Heart/Heart/physiology

  • Source: Journal of applied physiology (Bethesda, Md. : 1985) [J Appl Physiol (1985)] 2024 Jul 01; Vol. 137 (1), pp. 74-77. Date of Electronic Publication: 2024 Mar 07.Publisher: American Physiological Society Country of Publication: United States NLM ID: 8502536 Publication Model:

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Academic Journal

S100A1's single cysteine is an indispensable redox switch for the protection against diastolic calcium waves in cardiomyocytes.

  • Authors : Seitz A; Molecular and Translational Cardiology, Department of Internal Medicine III, Heidelberg University Hospital, Heidelberg, Germany.; Department of Cardiology and Angiology, Robert-Bosch-Krankenhaus, Stuttgart, Germany.

Subjects: Myocytes, Cardiac*/Myocytes, Cardiac*/Myocytes, Cardiac*/metabolism ; Cysteine*/Cysteine*/Cysteine*/metabolism ; Oxidation-Reduction*

  • Source: American journal of physiology. Heart and circulatory physiology [Am J Physiol Heart Circ Physiol] 2024 Jul 01; Vol. 327 (1), pp. H000. Date of Electronic Publication: 2024 May 31.Publisher: American Physiological Society Country of Publication: United States NLM ID: 100901228 Publication Model:

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Academic Journal

Phosphorylation of cardiac sodium channel at Ser571 anticipates manifestations of the aging myopathy.

  • Authors : Pizzo E; Department of Physiology, New York Medical College, Valhalla, New York, United States.; Cervantes DO

Subjects: NAV1.5 Voltage-Gated Sodium Channel*/NAV1.5 Voltage-Gated Sodium Channel*/NAV1.5 Voltage-Gated Sodium Channel*/metabolism ; NAV1.5 Voltage-Gated Sodium Channel*/NAV1.5 Voltage-Gated Sodium Channel*/NAV1.5 Voltage-Gated Sodium Channel*/genetics ; Aging*/Aging*/Aging*/metabolism

  • Source: American journal of physiology. Heart and circulatory physiology [Am J Physiol Heart Circ Physiol] 2024 Jun 01; Vol. 326 (6), pp. H1424-H1445. Date of Electronic Publication: 2024 Publisher: American Physiological Society Country of Publication: United States NLM ID: 100901228 Publication Model:

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Academic Journal

Fine tuning contractility: atrial sarcomere function in health and disease.

  • Authors : Burnham HV; Department of Cell and Molecular Physiology, Loyola University Chicago, Maywood, Illinois, United States.; Cizauskas HE

Subjects: Sarcomeres*/Sarcomeres*/Sarcomeres*/metabolism ; Myofibrils*/Myofibrils*/Myofibrils*/physiology; Heart Atria/Heart Atria/Heart Atria/metabolism

  • Source: American journal of physiology. Heart and circulatory physiology [Am J Physiol Heart Circ Physiol] 2024 Mar 01; Vol. 326 (3), pp. H568-H583. Date of Electronic Publication: 2023 Publisher: American Physiological Society Country of Publication: United States NLM ID: 100901228 Publication Model:

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  • 1-10 of  3,288 results for ""Myocardial Contraction""