News

Energy-efficiency of Cardiomyocyte Stimulation with Rectangular Pulses

Martin Laasmaa, Pengfei Lu, Mladen Veletić, William E Louch, Jacob Bergsland, Ilangko Balasingham, Marko Vendelin

Sci Rep, 2019 Sep 16; 9(1): 13307.

• PMID: 31527628
• DOI: 10.1038/s41598-019-49791-w

Significance

P...

Respiration of permeabilized cardiomyocytes from mice: no sex differences, but substrate-dependent changes in the apparent ADP-affinity

Niina Karro, Martin Laasmaa, Marko Vendelin, Rikke Birkedal

Sci Rep, 2019 Aug 29; 9(1): 12592.

• PMID: 31467353
• DOI: 10.1038/s41598-019-48964-x

Signi

The location of energetic compartments affects energetic communication in cardiomyocytes

Rikke Birkedal, Martin Laasmaa, Marko Vendelin

Front Physiol, 2014; 5: 376.

• PMID: 25324784
• DOI: 10.3389/fphys.2014.00376

Significance

Heart cells must continuously match energy production to t...

Tight coupling of Na+/K+-ATPase with glycolysis demonstrated in permeabilized rat cardiomyocytes

Mervi Sepp, Niina Sokolova, Svetlana Jugai, Merle Mandel, Pearu Peterson, Marko Vendelin

PLoS One, 2014; 9(6): e99413.

• PMID: 24932585
• DOI: 10.1371/journal.pone.0099413

Significance

Hea...

Real-time determination of sarcomere length of a single cardiomyocyte during contraction

Pearu Peterson, Mari Kalda, Marko Vendelin

Am J Physiol Cell Physiol, 2013 Mar; 304(6): C519-31.

• PMID: 23255581
• DOI: 10.1152/ajpcell.00032.2012

Significance

Measuring the spacing of the force-...

Analysis of molecular movement reveals latticelike obstructions to diffusion in heart muscle cells

Ardo Illaste, Martin Laasmaa, Pearu Peterson, Marko Vendelin

Biophys J, 2012 Feb 22; 102(4): 739-48.

• PMID: 22385844
• DOI: 10.1016/j.bpj.2012.01.012

Significance

Molecules must move th...

Permeabilized rat cardiomyocyte response demonstrates intracellular origin of diffusion obstacles

Natalja Jepihhina, Nathalie Beraud, Mervi Sepp, Rikke Birkedal, Marko Vendelin

Biophys J, 2011 Nov 02; 101(9): 2112-21.

• PMID: 22067148
• DOI: 10.1016/j.bpj.2011.09.025

Significance

Hear...

Three-dimensional mitochondrial arrangement in ventricular myocytes: from chaos to order

Rikke Birkedal, Holly A Shiels, Marko Vendelin

Am J Physiol Cell Physiol, 2006 Dec; 291(6): C1148-58.

• PMID: 16822946
• DOI: 10.1152/ajpcell.00236.2006

Significance

Mitochondria supply the energy...

Mitochondrial regular arrangement in muscle cells: a "crystal-like" pattern

Marko Vendelin, Nathalie Béraud, Karen Guerrero, Tatiana Andrienko, Andrey V Kuznetsov, Jose Olivares, Laurence Kay, Valdur A Saks

Am J Physiol Cell Physiol, 2005 Mar; 288(3): C757-67.

• PMID: 15496480
• DOI: 10.115...