Ischemic heart disease is the main cause of mortality worldwide. We study cardiac tolerance to injury caused by acute oxygen deprivation from the molecular level to the whole organism using animal models. Our research is focused mainly on the study of mechanisms that underlie:
- high cardiac tolerance to injury early ontogeny,
- increased cardiac tolerance induced by adaptation to chronic hypoxia and regular exercise training,
- permanent consequences of early developmental interventions for cardiac tolerance in adulthood,
- and altered cardiac tolerance associated with various pathological states.
Projects
The immature heart is highly tolerant to ischemic injury, but chronic oxygen deficit during early ontogeny may have negative consequences that persist till adulthood. We study mechanisms responsible for developmental changes of cardiac ischemic tolerance.
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Systemic hypertension is a major risk factor of ischemic heart disease. However, it can also stimulate mechanisms that protect the heart against acute oxygen deprivation. We study the effects of various forms of hypertension on cardiac ischemic tolerance.
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Prolonged exposure to hypoxic environment leads to adaptation which is associated with improved cardiac tolerance to acute oxygen deprivation. We study molecular mechanisms underlying the cardioprotective effects of chronic hypoxia on various manifestations of ischemic injury.
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Publications
Slámová, Kristýna - Papoušek, František - Janovská, Petra - Kopecký, Jan - Kolář, František
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Adverse Effects of AMP-Activated Protein Kinase alpha 2-Subunit Deletion and High-Fat Diet on Heart Function and Ischemic Tolerance in Aged Female Mice
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Physiological Research. 2016, roč. 65, 1, p. 33-42
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IF = 1.618
[ASEP]
Milerová, Marie - Drahota, Zdeněk - Chytilová, Anna - Tauchmannová, Kateřina - Houštěk, Josef - Ošťádal, Bohuslav
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Sex difference in the sensitivity of cardiac mitochondrial permeability transition pore to calcium load
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Molecular and Cellular Biochemistry. 2016, roč. 412, 1-2, p. 147-154
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IF = 2.613
[ASEP]
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doi
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Hahnová, K. - Kašparová, D. - Žurmanová, J. - Neckář, Jan - Kolář, František - Novotný, J.
Beta-Adrenergic signaling in rat heart is similarly affected by continuous and intermittent normobaric hypoxia
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General Physiology and Biophysics. 2016, roč. 35, 2, p. 165-173
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IF = 0.892
[ASEP]
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doi
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Alánová, Petra - Husková, Z. - Kopkan, L. - Sporková, A. - Jíchová, Š. - Neckář, Jan - Imig, J. D. - Klevstig, Martina - Kolář, František - Reddy, N. R. - Falck, J. R. - Sadowski, J. - Nishiyama, A. - Kramer, H. J. - Melenovský, V. - Červenková, L. - Kujal, P. - Vernerová, Z. - Červenka, L.
Orally active epoxyeicosatrienoic acid analog does not exhibit antihypertensive and reno- or cardioprotective actions in two-kidney, one-clip Goldblatt hypertensive rats
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Vascular Pharmacology. 2015, Vol. 73, -, p. 45-56
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IF = 2.5
[ASEP]
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doi
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Doul, J. - Charvátová, Z. - Ošťádalová, Ivana - Kohutiar, M. - Maxová, H. - Ošťádal, Bohuslav
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Neonatal rat hearts cannot be protected by ischemic postconditioning
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Physiological Research. 2015, Vol. 64, 6, p. 789-794
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IF = 1.618
[ASEP]
Alánová, Petra - Kolář, František - Ošťádal, Bohuslav - Neckář, Jan
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Role of NO/cGMP signaling pathway in cardiac ischemic tolerance of chronically hypoxic rats
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Physiological Research. 2015, Vol. 64, 5, p. 783-787
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IF = 1.618
[ASEP]
Horn, P. - Ošťádal, P. - Ošťádal, Bohuslav
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Rowing increases stroke volume and cardiac output to a greater extent than cycling
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Physiological Research. 2015, Vol. 64, 2, p. 203-207
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IF = 1.618
[ASEP]
Holzerová, K. - Hlaváčková, Markéta - Žurmanová, J. - Borchert, Gudrun H. - Neckář, Jan - Kolář, František - Novák, F. - Nováková, O.
Involvement of PKC epsilon in cardioprotection induced by adaptation to chronic continuous hypoxia
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Physiological Research. 2015, Vol. 64, 2, p. 191-201
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IF = 1.618
[ASEP]
Kašparová, D. - Neckář, Jan - Dabrowská, L. - Novotný, J. - Mráz, J. - Kolář, František - Žurmanová, J.
Cardioprotective and nonprotective regimens of chronic hypoxia diversely affect the myocardial antioxidant systems
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Physiological Genomics. 2015, Vol. 47, 12, p. 612-620
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IF = 2.615
[ASEP]
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doi
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Kochová, P. - Cimrman, R. - Štengl, M. - Ošťádal, Bohuslav - Tonar, Z.
A mathematical model of the carp heart ventricle during the cardiac cycle
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Journal of Theoretical Biology. 2015, Vol. 373, May 21, p. 12-25
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IF = 2.049
[ASEP]
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doi
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