Article ; Online: Single-cell protein expression of hiPSC-derived cardiomyocytes using Single-Cell Westerns.
Journal of molecular and cellular cardiology
2020 Volume 149, Page(s) 115–122
Abstract: The ability to reprogram human somatic cells into human induced pluripotent stem cells (hiPSCs) has enabled researchers to generate cell types in vitro that have the potential to faithfully recapitulate patient-specific disease processes and phenotypes. ... ...
| Abstract | The ability to reprogram human somatic cells into human induced pluripotent stem cells (hiPSCs) has enabled researchers to generate cell types in vitro that have the potential to faithfully recapitulate patient-specific disease processes and phenotypes. hiPSC-derived cardiomyocytes (hiPSC-CMs) offer the promise of in vitro patient- and disease-specific models for drug testing and the discovery of novel therapeutic approaches for treating cardiovascular diseases. While methods to differentiate hiPSCs into cardiomyocytes have been demonstrated, the heterogeneity and immaturity of these differentiated populations have restricted their potential in reproducing human disease and the associated target cell phenotypes. These barriers may be overcome through comprehensive single-cell characterization to dissect the rich heterogeneity of hiPSC-CMs and to study the source of varying cell fates. In this study, we optimized and validated a new Single-Cell Western method to assess protein expression in hiPSC-CMs. To better understand distinct subpopulations generated from cardiomyocyte differentiations and to track populations at single-cell resolution over time, we measured and quantified the expression of cardiomyocyte subtype-specific proteins (MLC2V and MLC2A) using Single-Cell Westerns. By understanding their heterogeneity through single-cell protein expression and quantification, we may improve upon current cardiomyocyte differentiation protocols, generate hiPSC-CMs that are more representative of in vivo derived cardiomyocytes for disease modeling, and utilize hiPSC-CMs for regenerative medicine purposes. Single-Cell Westerns provide a robust platform for protein expression analysis at single-cell resolution. |
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| MeSH term(s) | Blotting, Western ; Calibration ; Cell Line ; Dietary Proteins/metabolism ; Humans ; Induced Pluripotent Stem Cells/cytology ; Induced Pluripotent Stem Cells/metabolism ; Myocytes, Cardiac/cytology ; Myocytes, Cardiac/metabolism ; Single-Cell Analysis | |||||
| Chemical Substances | Dietary Proteins ; single cell proteins | |||||
| Language | English | |||||
| Publishing date | 2020-10-01 | |||||
| Publishing country | England | |||||
| Document type | Journal Article ; Research Support, N.I.H., Extramural | |||||
| ZDB-ID | 80157-4 | |||||
| ISSN | 1095-8584 ; 0022-2828 | |||||
| ISSN (online) | 1095-8584 | |||||
| ISSN | 0022-2828 | |||||
| DOI | 10.1016/j.yjmcc.2020.09.012 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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