1-20 of 87
Keywords: Heart
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2022) 225 (15): jeb244307.
Published: 10 August 2022
...Georg Welzel; Stefan Schuster ABSTRACT High voltage electric shocks cause life threatening cardiac injuries such as sudden cardiac standstill or severe myocardial injury. Here, we analysed the physiology of the heart of the strongly electric catfish ( Malapterurus beninensis ) that stuns prey...
Includes: Supplementary data
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2022) 225 (12): jeb243680.
Published: 22 June 2022
... accounting for body mass, heart ventricle mass was not related to variation in MMR or SMR, indicating that the quality of the heart (i.e. the capacity for mitochondrial metabolism) was more influential than heart size. Finally, the myocardial oxygen consumption required to offset the dissipation...
Includes: Supplementary data
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2021) 224 (20): jeb242699.
Published: 22 October 2021
... Summary: The circulation of hemolymph in the antenna of Drosophila is powered by the rhythmic contraction of an auto-active somatic muscle which runs through the brain. Circulatory system Pulsatile organs Heart Pulsatility National Institutes of Health http://dx.doi.org/10.13039...
Includes: Supplementary data
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2021) 224 (18): jeb242425.
Published: 15 September 2021
..., superoxide dismutase (SOD) activity and NAD + levels, and it prevented HFD-induced or cardiac Nmnat knockdown-induced cardiac lipid accumulation, malondialdehyde (MDA) content and fibrillation increase, and fractional shortening decrease. Cardiac Nmnat overexpression also activated heart Nmnat/NAD + /SIR2...
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2021) 224 (16): jeb242778.
Published: 24 August 2021
...Denis V. Abramochkin; Vladislav S. Kuzmin; Vladimir Matchkov; Andrey A. Kamensky; Tobias Wang ABSTRACT To provide the first description of the exact location of primary pacemaker of the squamate heart, we used sharp microelectrode impalements and optical mapping of isolated sinus venosus...
Journal Articles
J Exp Biol (2021) 224 (15): jeb242487.
Published: 5 August 2021
... ; Leeuwis et al., 2019 )] improves this species' temperature of heart failure and cardiac mitochondrial function at elevated temperatures. Finally, although very warm temperatures impair the power output of red skeletal muscle in Pacific bonito ( Sarda chiliensis ), this effect is not seen in red muscle...
Includes: Supplementary data
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2021) 224 (14): jeb242387.
Published: 30 July 2021
... enhanced anoxia survival in adult but not hatchling turtles. To test this, adult and hatchling turtles were acclimated to either 20°C (warm) or 3°C (cold) for 5 weeks, and then the heart ventricles were collected for quantitative proteomic analysis. The relative abundance of 1316 identified proteins...
Includes: Supplementary data
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2021) 224 (9): jeb242382.
Published: 30 April 2021
... and complex I activity. Fig. 4. Mitochondrial membrane complexes from trout and mouse heart mitochondria separated by BN-PAGE. (A–C) Trout mitochondria; (D–F) mouse mitochondria. The same gel was stained to visualize native protein complexes (blue) and to detect in-gel complex I NADH-reductase activity...
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2020) 223 (22): jeb225730.
Published: 16 November 2020
... (5H fish), on in vivo and spontaneous heart rate ( f H ), electrocardiogram, ventricular action potential (AP) shape and duration (APD), the background inward rectifier ( I K1 ) and rapid delayed rectifier ( I Kr ) K + currents and ventricular gene expression of proteins involved in excitation...
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2020) 223 (19): jeb229278.
Published: 12 October 2020
... . 10.3390/jcdd5030044 Aoyama , N. , Tamaki , H. , Kikawada , R. and Yamashina , S. ( 1995 ). Development of the conduction system in the rat heart as determined by Leu-7 (HNK-1) immunohistochemistry and computer graphics reconstruction . Lab. Invest.   72 , 355 - 366...
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2020) 223 (19): jeb228205.
Published: 8 October 2020
...Tatiana S. Filatova; Denis V. Abramochkin; Holly A. Shiels ABSTRACT Birds occupy a unique position in the evolution of cardiac design. Their hearts are capable of cardiac performance on par with, or exceeding that of mammals, and yet the structure of their cardiomyocytes resembles those of reptiles...
Journal Articles
J Exp Biol (2019) 222 (21): jeb213017.
Published: 11 November 2019
... with oxygen. The highly oxygen-dependent heart mitochondria thus might play a key role in shaping an organism's tolerance to temperature. The present study aimed to investigate the effects of acute and chronic warming on the respiratory capacity of European sea bass ( Dicentrarchus labrax L.) heart...
Includes: Supplementary data
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2019) 222 (17): jeb202788.
Published: 6 September 2019
...Elizabeth F. Johnston; Ivan G. Cadonic; Paul M. Craig; Todd E. Gillis ABSTRACT Warm acclimation of rainbow trout can cause a decrease in the collagen content of the heart. This ability to remove cardiac collagen is particularly interesting considering that collagen deposition in the mammalian heart...
Includes: Supplementary data
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2019) 222 (16): jeb202242.
Published: 20 August 2019
..., there is urgency to understand the compensatory abilities of key organs such as the heart to adjust under natural conditions. Thus, the aim of the present study was to directly compare the acclimatization and acclimatory response within a single eurythermal fish species, the European shorthorn sculpin...
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2019) 222 (11): jeb201202.
Published: 4 June 2019
... its redox active motif Cys-X-X-Sec. In mammals, SELENOT is expressed during ontogenesis and progressively decreases in adult tissues. In the heart, it is re-expressed after ischemia and induces cardioprotection against ischemia–reperfusion (IR) injury. SELENOT is present in teleost fish, including...
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2018) 221 (12): jeb181107.
Published: 22 June 2018
...Leah T. Sigle; Julián F. Hillyer ABSTRACT The primary pump of the circulatory system of insects is a dorsal vessel that traverses the length of the insect. The anterior portion, located in the head, neck and thorax, is the aorta, and the posterior portion, located in the abdomen, is the heart. Here...
Includes: Supplementary data
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2018) 221 (11): jeb178400.
Published: 7 June 2018
..., the pattern of electrical activation of the cardiac ventricle is dependent on the position of the atrioventricular canal and the shape of the ventricle. Summary: The heart ventricles of squamate reptiles are without a specialized ventricular conduction system, and the manner of electrical activation can...
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2017) 220 (23): 4391–4398.
Published: 1 December 2017
...José Guilherme Chaui-Berlinck; Luiz Henrique Alves Monteiro ABSTRACT The Frank–Starling law of the heart is a filling–force mechanism (FFm), a positive relationship between the distension of a ventricular chamber and its force of ejection, and such a mechanism is found across all the studied...
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2017) 220 (9): 1674–1683.
Published: 1 May 2017
... and day 25 and between day 1 and day 39). Fig. 3. Enzymatic activities of citrate synthase and lactate dehydrogenase measured in the heart of rainbow trout ( Oncorhynchus mykiss ). Results are presented as means±s.e.m. and illustrate (A) citrate synthase (CS) and (B) lactate dehydrogenase (LDH...
Journal Articles
In collection:
Cardiology articles
J Exp Biol (2017) 220 (4): 531–536.
Published: 15 February 2017
... during diving . J. Exp. Biol.   212 , 3553 - 3563 . 10.1242/jeb.034595 Eme , J. , Gwalthney , J. , Owerkowicz , T. , Blank , J. M. and Hicks , J. W. ( 2010 ). Turning crocodilian hearts into bird hearts: growth rates are similar for alligators with and without right...