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Nakanishi-Koakutsu, Misato; Miki, Kenji; Naka, Yuki; Sasaki, Masako; Wakimizu, Takayuki; Napier, Stephanie C; Okubo, Chikako; Narita, Megumi; Nishikawa, Misato; Hata, Reo; Chonabayashi, Kazuhisa; Hotta, Akitsu; Imahashi, Kenichi; Nishimoto, Tomoyuki; Yoshida, Yoshinori
Communications biology, 02/2024, Letnik: 7, Številka: 1Journal Article
Current differentiation protocols for human induced pluripotent stem cells (hiPSCs) produce heterogeneous cardiomyocytes (CMs). Although chamber-specific CM selection using cell surface antigens enhances biomedical applications, a cell surface marker that accurately distinguishes between hiPSC-derived atrial CMs (ACMs) and ventricular CMs (VCMs) has not yet been identified. We have developed an approach for obtaining functional hiPSC-ACMs and -VCMs based on CD151 expression. For ACM differentiation, we found that ACMs are enriched in the CD151 population and that CD151 expression is correlated with the expression of Notch4 and its ligands. Furthermore, Notch signaling inhibition followed by selecting the CD151 population during atrial differentiation leads to the highly efficient generation of ACMs as evidenced by gene expression and electrophysiology. In contrast, for VCM differentiation, VCMs exhibiting a ventricular-related gene signature and uniform action potentials are enriched in the CD151 population. Our findings enable the production of high-quality ACMs and VCMs appropriate for hiPSC-derived chamber-specific disease models and other applications.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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