Shear stress activates the Piezo1 channel to facilitate valvular endothelium-oriented differentiation and maturation of human induced pluripotent stem cells
Copyright © 2024 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved..
Valvular endothelial cells (VECs) derived from human induced pluripotent stem cells (hiPSCs) provide an unlimited cell source for tissue engineering heart valves (TEHVs); however, they are limited by their low differentiation efficiency and immature function. In our study, we applied unidirectional shear stress to promote hiPSCs differentiation into valvular endothelial-like cells (VELs). Compared to the static group, shear stress efficiently promoted the differentiation and functional maturation of hiPSC-VELs, as demonstrated by the efficiency of endothelial differentiation reaching 98.3% in the high shear stress group (45 dyn/cm2). Furthermore, we found that Piezo1 served as a crucial mechanosensor for the differentiation and maturation of VELs. Mechanistically, the activation of Piezo1 by shear stress resulted in the influx of calcium ions, which in turn initiated the Akt signaling pathway and promoted the differentiation of hiPSCs into mature VELs. Moreover, VELs cultured on decellularized heart valves (DHVs) exhibited a notable propensity for proliferation, robust adhesion properties, and antithrombotic characteristics, which were dependent on the activation of the Piezo1 channel. Overall, our study demonstrated that proper shear stress activated the Piezo1 channel to facilitate the differentiation and maturation of hiPSC-VELs via the Akt pathway, providing a potential cell source for regenerative medicine, drug screening, pathogenesis, and disease modeling. STATEMENT OF SIGNIFICANCE: This is the first research that systematically analyzes the effect of shear stress on valvular endothelial-like cells (VELs) derived from human induced pluripotent stem cells (hiPSCs). Mechanistically, unidirectional shear stress activates Piezo1, resulting in an elevation of calcium levels, which triggers the Akt signaling pathway and then facilitates the differentiation of functional maturation VELs. After exposure to shear stress, the VELs exhibited enhanced proliferation, robust adhesion capabilities, and antithrombotic characteristics while being cultured on decellularized heart valves. Thus, it is of interest to develop hiPSCs-VELs using shear stress and the Piezo1 channel provides insights into the functional maturation of valvular endothelial cells, thereby serving as a catalyst for potential applications in the development of therapeutic and tissue-engineered heart valves in the future.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:178 |
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| Enthalten in: |
Acta biomaterialia - 178(2024) vom: 01. Apr., Seite 181-195 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Xie, Minghui [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 05.04.2024 Date Revised 05.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.actbio.2024.02.043 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Copyright © 2024 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. | ||
| 520 | |a Valvular endothelial cells (VECs) derived from human induced pluripotent stem cells (hiPSCs) provide an unlimited cell source for tissue engineering heart valves (TEHVs); however, they are limited by their low differentiation efficiency and immature function. In our study, we applied unidirectional shear stress to promote hiPSCs differentiation into valvular endothelial-like cells (VELs). Compared to the static group, shear stress efficiently promoted the differentiation and functional maturation of hiPSC-VELs, as demonstrated by the efficiency of endothelial differentiation reaching 98.3% in the high shear stress group (45 dyn/cm2). Furthermore, we found that Piezo1 served as a crucial mechanosensor for the differentiation and maturation of VELs. Mechanistically, the activation of Piezo1 by shear stress resulted in the influx of calcium ions, which in turn initiated the Akt signaling pathway and promoted the differentiation of hiPSCs into mature VELs. Moreover, VELs cultured on decellularized heart valves (DHVs) exhibited a notable propensity for proliferation, robust adhesion properties, and antithrombotic characteristics, which were dependent on the activation of the Piezo1 channel. Overall, our study demonstrated that proper shear stress activated the Piezo1 channel to facilitate the differentiation and maturation of hiPSC-VELs via the Akt pathway, providing a potential cell source for regenerative medicine, drug screening, pathogenesis, and disease modeling. STATEMENT OF SIGNIFICANCE: This is the first research that systematically analyzes the effect of shear stress on valvular endothelial-like cells (VELs) derived from human induced pluripotent stem cells (hiPSCs). Mechanistically, unidirectional shear stress activates Piezo1, resulting in an elevation of calcium levels, which triggers the Akt signaling pathway and then facilitates the differentiation of functional maturation VELs. After exposure to shear stress, the VELs exhibited enhanced proliferation, robust adhesion capabilities, and antithrombotic characteristics while being cultured on decellularized heart valves. Thus, it is of interest to develop hiPSCs-VELs using shear stress and the Piezo1 channel provides insights into the functional maturation of valvular endothelial cells, thereby serving as a catalyst for potential applications in the development of therapeutic and tissue-engineered heart valves in the future | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Induced pluripotent stem cells | |
| 650 | 4 | |a Piezo1 | |
| 650 | 4 | |a Shear stress | |
| 650 | 4 | |a Stem cell differentiation | |
| 650 | 4 | |a Tissue engineering heart valves | |
| 650 | 4 | |a Valvular endothelial cells | |
| 650 | 7 | |a Calcium |2 NLM | |
| 650 | 7 | |a SY7Q814VUP |2 NLM | |
| 650 | 7 | |a Fibrinolytic Agents |2 NLM | |
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| 700 | 1 | |a Cao, Hong |e verfasserin |4 aut | |
| 700 | 1 | |a Qiao, Weihua |e verfasserin |4 aut | |
| 700 | 1 | |a Yan, Ge |e verfasserin |4 aut | |
| 700 | 1 | |a Qian, Xingyu |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Yecen |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Li |e verfasserin |4 aut | |
| 700 | 1 | |a Wen, Shuyu |e verfasserin |4 aut | |
| 700 | 1 | |a Shi, Jiawei |e verfasserin |4 aut | |
| 700 | 1 | |a Cheng, Min |e verfasserin |4 aut | |
| 700 | 1 | |a Dong, Nianguo |e verfasserin |4 aut | |
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