Generation of human induced pluripotent stem cell (hiPSC) lines (UKMi009-A and UKMi011-A) harboring a homozygous and heterozygous HCN4 variant from a family with inherited sinus node dysfunction (SND)
HCN4, as the predominant pacemaker current (If) in mammalian hearts, encodes the potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 driving spontaneous cardiac rhythmicity. Particularly expressed in sinoatrial cells, If channels are main heart rate regulators. Here, we ge...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-08-01
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| Series: | Stem Cell Research |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S187350612500090X |
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| Summary: | HCN4, as the predominant pacemaker current (If) in mammalian hearts, encodes the potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 driving spontaneous cardiac rhythmicity. Particularly expressed in sinoatrial cells, If channels are main heart rate regulators. Here, we generated two hiPSC lines from a consanguineous family with SND where the HCN4 variant was either present in heterozygous or homozygous state. Generated hiPSCs enable further cardiomyocyte cell differentiation to provide unique patient-derived SND in-vitro disease models in a gene-dose dependent manner. Both cell lines exhibited normal karyotype, cell morphology, hiPSC marker expression, and differentiation into all three germ layers, confirmed by immunofluorescence staining. |
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| ISSN: | 1873-5061 |