iCell® Cardiomyocytes – Immunofluorescent Labeling Application Protocol

16 Jul 2013

Immunofluorescent labeling is a straight-forward technique for assessing the presence and the subcellular localization of antigens and/or proteins. Several labeling methods are available depending on the biological sample, cell preparation, and availability of antibodies against the target. The protocol presented here has demonstrated utility in labeling cardiac troponin T, myosin light chain, sarcomeric alpha-actinin, connexin-43, and N-cadherin in iCell® Cardiomyocytes. This protocol should serve as a guide for immunofluorescent labeling other cardiac proteins.

iCell Cardiomyocytes

Cellular Dynamics International

iCell® Cardiomyocytes, human induced pluripotent stem (iPS) cell-derived cardiomyocytes, aid drug discovery and improve the predictability of drug efficacy and toxicity screens, weeding out ineffective and potentially toxic compounds early in the pharmaceutical pipeline process before significant time and resources have been invested. iCell Cardiomyocytes are a mixture of spontaneously electrically active atrial, nodal, and ventricular-like myocytes that possess typical electrophysiological characteristics and exhibit expected electrophysiological and biochemical responses upon exposure to exogenous agents. Thus, these cells are a reliable source of human cardiomyocytes suitable for use in targeted drug discovery, toxicity testing, and other life science research. iCell Cardiomyocytes are shipped as cryopreserved suspensions of dissociated cells with specifically formulated culture media for optimal cell performance. Once thawed, iCell Cardiomyocytes remain viable in culture for up to two weeks, allowing for acute and chronic studies. iCell Cardiomyocytes Benefits: Human Cells - Saves valuable time, resources, and compound. Highly Pure Cell Population - Provides cardiac-specific response to reference molecules. Homogenous and Reproducible Fully Functional Model Acute and Longer-term Testing - Remain viable in culture for up to two weeks. iPS Cell-derived iCell Cardiomyocytes Applications: Cell-based Assays - Cell viability, Apoptosis, ATP production, Oxidative stress, Mitochondrial dysfunction. Electophysiological Applications - Conventional patch clamp recording, Microelectrode assay (MEA) recording.

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iCell® Cardiomyocytes – Immunofluorescent Labeling Application Protocol