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Isolation of High Quality Murine Atrial and Ventricular Myocytes for Simultaneous Measurements of Ca2+ Transients and L-Type Calcium Current
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Biologia
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JoVE Journal Biologia
Isolation of High Quality Murine Atrial and Ventricular Myocytes for Simultaneous Measurements of Ca2+ Transients and L-Type Calcium Current

Isolation of High Quality Murine Atrial and Ventricular Myocytes for Simultaneous Measurements of Ca2+ Transients and L-Type Calcium Current

DOI:
10.3791/61964-v

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06:22 min

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November 03, 2020

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, , , ,
1Department of Medicine I, University Hospital Munich, Campus Großhadern,Ludwig-Maximilians University Munich (LMU), 2Partner Site Munich, Munich Heart Alliance (MHA),DZHK (German Centre for Cardiovascular Research), 3Walter Brendel Center of Experimental Medicine,Ludwig-Maximilians University Munich (LMU), 4Institute of Pharmacology and Toxicology,University Medical Center Göttingen, 5Partner Site Göttingen,DZHK (German Centre for Cardiovascular Research), 6Cluster of Excellence “Multiscale Bioimaging: from Molecular Machines to Networks of Excitable Cells” (MBExC),University of Göttingen

Capitoli

  • 00:05Introduction
  • 00:51Organ Harvest
  • 01:33Enzymatic Digestion
  • 03:59Calcium Reintroduction
  • 04:57Results: Simultaneous Measurement of Calcium Currents and Transients in Atrial and Ventricular Murine Myocytes
  • 05:36Conclusion

Summary

Traduzione automatica

Traduzione automatica

Mouse models allow studying key mechanisms of arrhythmogenesis. For this purpose, high quality cardiomyocytes are necessary to perform patch-clamp measurements. Here, a method to isolate murine atrial and ventricular myocytes via retrograde enzyme-based Langendorff perfusion, which allows simultaneous measurements of calcium-transients and L-type calcium current, is described.

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Keywords: Murine CardiomyocytesAtrial CardiomyocytesVentricular CardiomyocytesLangendorff ApparatusPerfusion BufferDigestion BufferStop BufferPatch ClampCalcium Imaging

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