The absence of active creatine kinase system influences cardiac calcium handlingLaasmaa, Martin; Branovets, Jelena; Karro, Niina; Birkedal Nielsen, Rikke; Vendelin, MarkoBiophysical journal2019 / Poster 484 ; p. 96a https://doi.org/10.1016/j.bpj.2018.11.558 Altered calcium handling in cardiomyocytes from arginine-glycine amidinotransferase-knockout mice is rescued by creatineLaasmaa, Martin; Branovets, Jelena; Barsunova, Karina; Karro, Niina; Lygate, Craig A.; Birkedal Nielsen, Rikke; Vendelin, MarkoAmerican journal of physiology-heart and circulatory physiology2020 / p. H805-H825 https://doi.org/10.1152/ajpheart.00300.2020 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Analysis of ADP compartmentation in cardiomyocytes and its role in protection against mitochondrial permeability transition pore opening = ADP kompartmentatsiooni analüüs südamelihasrakkudes ja selle roll mitokondriaalse suure läbitavusega poori avanemise eest kaitsmiselKarro, Niina2015 https://digi.lib.ttu.ee/i/?3423 Cardiac expression and location of hexokinase changes in a mouse model of pure creatine deficiencyBranovets, Jelena; Karro, Niina; Barsunova, Karina; Laasmaa, Martin; Lygate, Craig A.; Vendelin, Marko; Birkedal Nielsen, RikkeAmerican journal of physiology-heart and circulatory physiology2021 / p. H613−H629 https://doi.org/10.1152/ajpheart.00188.2020 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Cardiomyocytes from female compared to male mice have larger ryanodine receptor clusters and higher calcium spark frequencyLaasmaa, Martin; Branovets, Jelena; Stolova, Jekaterina; Shen, Xin; Rätsepso, Triinu; Balodis, Mihkel Jaan; Grahv, Cärolin; Hendrikson, Eliise; Louch, William Edward; Birkedal Nielsen, Rikke; Vendelin, MarkoThe journal of physiology2023 / p. 4033-4052 : ill https://doi.org/10.1113/JP284515 Compromised creatine kinase energy transfer leads to adaptations in cardiacexcitation-contraction coupling that are distinct from changes associated with heart failure : [manuscript]Branovets, Jelena; Kalda, Mari; Laasmaa, Martin; Stolova, Jekaterina; Shen, Xin; Balodis, Mihkel Jaan; Grahv, Cärolin; Hendrikson, Eliise; Louch, William Edward; Birkedal Nielsen, Rikke; Vendelin, Marko2022 Energetics and calcium handling in hearts from creatine-deficient mice = Energeetika ja kaltsiumi käitlemine kreatiini puudulike hiirte südametesBranovets, Jelena2022 https://doi.org/10.23658/taltech.56/2022 https://digikogu.taltech.ee/et/Item/36325289-f635-4816-bddc-2246206e6dc1 https://www.ester.ee/record=b5511927*est The influence of alternative energy transfer systems on respiration in creatine-deficient mouse cardiomyocytesBranovets, Jelena; Jugai, Svetlana; Vendelin, Marko; Birkedal Nielsen, RikkeBiophysical journal2016 / p. 474a-475a https://doi.org/10.1016/j.bpj.2015.11.2538 Intracellular compartmentalization shapes energy transfer – differences betweenadenylate kinase activities in homogenate and permeabilized cardiomyocytes : [manuscript]Branovets, Jelena; Vendelin, Marko; Birkedal Nielsen, Rikke2022 IOCBIO Kinetics : an open-source software solution for analysis of data tracesVendelin, Marko; Laasmaa, Martin; Kalda, Mari; Branovets, Jelena; Karro, Niina; Barsunova, Karina; Birkedal Nielsen, RikkePLoS computational biology2020 / art. e1008475 https://doi.org/10.1371/journal.pcbi.1008475 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS IOCBIO Sparks detection and analysis softwareLaasmaa, Martin; Karro, Niina; Birkedal Nielsen, Rikke; Vendelin, MarkoPeerJ2019 / art. e6652, 28 p. : ill https://doi.org/10.7717/peerj.6652 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS IOCBIO Sparks detection and analysis softwareLaasmaa, Martin; Karro, Niina; Birkedal Nielsen, Rikke; Vendelin, MarkoBiophysical journal2019 / art. 1900-Pos ; p. 384a https://doi.org/10.1016/j.bpj.2018.11.2080 Marker enzyme activities in hindleg from creatine-deficient AGAT and GAMT KO mice - differences between models, muscles, and sexesBarsunova, Karina; Vendelin, Marko; Birkedal Nielsen, RikkeScientific reports2020 / Art. 7956, 9 p https://doi.org/10.1038/s41598-020-64740-8 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Metabolic compartmentation in rainbow trout cardiomyocytes : coupling of hexokinase but not creatine kinase to mitochondrial respirationKarro, Niina; Sepp, Mervi; Jugai, Svetlana; Laasmaa, Martin; Vendelin, Marko; Birkedal Nielsen, RikkeJournal of comparative physiology B2017 / p. 103-116 : ill https://doi.org/10.1007/s00360-016-1025-x Number of open mitochondrial voltage-dependent anion channels and intracellular diffusion coefficient in heart muscleSimson, Päivo; Jepihhina, Natalja; Laasmaa, Martin; Branovets, Jelena; Peterson, Pearu; Birkedal Nielsen, Rikke; Vendelin, MarkoBiophysical journal2016 / p. 475a https://doi.org/10.1016/j.bpj.2015.11.2540 Ontogeny of cardiomyocytes : ultrastructure optimization to meet the demand for tight communication in excitation–contraction coupling and energy transferBirkedal Nielsen, Rikke; Laasmaa, Martin; Branovets, Jelena; Vendelin, MarkoPhilosophical Transactions of the Royal Society B : Biological Sciences2022 / art. 20210321 https://doi.org/10.1098/rstb.2021.0321 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Rat and mouse cardiomyocytes show subtle differences in creatine kinase expression and compartmentalizationBranovets, Jelena; Soodla, Kärol; Vendelin, Marko; Birkedal Nielsen, RikkePLoS ONE2023 / art. e0294718 https://doi.org/10.1371/journal.pone.0294718 Respiration of permeabilized cardiomyocytes from mice: no sex differences, but substrate-dependent changes in the apparent ADP-affinityKarro, Niina; Laasmaa, Martin; Vendelin, Marko; Birkedal Nielsen, RikkeScientific reports2019 / art. 12592 https://doi.org/10.1038/s41598-019-48964-x Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Restricted ADP movement in cardiomyocytes : cytosolic diffusion obstacles are complemented with a small number of open mitochondrial voltage-dependent anion channelsSimson, Päivo; Jepihhina, Natalja; Laasmaa, Martin; Peterson, Pearu; Birkedal Nielsen, Rikke; Vendelin, MarkoJournal of molecular and cellular cardiology2016 / p. 197-203 : ill https://doi.org/10.1016/j.yjmcc.2016.04.012 Revealing aspects of cardiac function from fluorescence and electrophysiological recordings = Südametalituse uuringud fluorestsentsi ja elektrofüsioloogiliste mõõtmiste abilLaasmaa, Martin2016 http://www.ester.ee/record=b4632325*est https://digikogu.taltech.ee/et/Item/5e9f5bd2-8295-4f7e-8f6d-65d0b8002a74 Revealing calcium fluxes by analyzing inhibition dynamics in action potential clampLaasmaa, Martin; Birkedal Nielsen, Rikke; Vendelin, MarkoJournal of molecular and cellular cardiology2016 / p. 93-108 : ill http://dx.doi.org/10.1016/j.yjmcc.2016.08.015 Unchanged mitochondrial organization and compartmentation of high-energy phosphates in creatine-deficient GAMT(-/-) mouse heartsBranovets, Jelena; Sepp, Mervi; Kotlyarova, Svetlana; Jepihhina, Natalja; Sokolova, Niina; Aksentijevic, Dunja; Neubauer, Stefan; Lygate, Craig A.; Vendelin, Marko; Birkedal Nielsen, RikkeAmerican journal of physiology - heart and circulatory physiology2013 / p. H506-H520 : ill https://doi.org/10.1152/ajpheart.00919.2012 Using action potential clamp data to determine the calcium fluxes and contributions in excitation-contraction coupling in vivo in cardiomyocytesLaasmaa, Martin; Vendelin, Marko; Birkedal Nielsen, RikkeBiophysical journal2016 / p. 100a-101a http://dx.doi.org/10.1016/j.bpj.2015.11.600