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J Vis Exp. 2009 Jun 16;(28). pii: 1308. doi: 10.3791/1308.

Primary culture of adult rat heart myocytes.

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1
Department of Physiology and Cellular Biophysics, Columbia University, USA.

Abstract

Cultured primary adult rodent heart cells are an important model system for cardiovascular research. Nevertheless, establishment of robust, viable cultured adult myocytes can be a technically challenging, rate-limiting step for many researchers. Here we described a protocol to obtain a high yield of adult rat heart myocytes that remain viable in culture for several days. The heart is isolated and perfused with collagenase and protease under low Ca2+ conditions to recover single myocytes. Ca2+-tolerant cells are obtained by stepwise increases in extracellular Ca2+ concentration in three subsequent wash steps. Cells are filtered, resuspended in culture medium, and plated on laminin coated slips. Cultured myocytes obtained using this protocol are viable for up to four days and are suitable for most experiments including electrophysiology, biochemistry, imaging and molecular biology.

PMID:
19532115
PMCID:
PMC2796664
DOI:
10.3791/1308
[Indexed for MEDLINE]
Free PMC Article
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