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Schematic comparison of factors regulating skeletal and cardiac differentiation, as mentioned in the text. Skeletal fibers and cardiomyocytes are distinguished by αSarcoglycan (Sgca) and nicotinic acetylcholine receptors (nAChRs) in the former, and by Connexin43 (Cx43) and muscarinic acetylcholine receptors (mAChRs) in the latter
