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dc.contributor.authorSu, Lipingen_US
dc.contributor.authorKong, Xiaocenen_US
dc.contributor.authorLoo, Szejieen_US
dc.contributor.authorGao, Yuen_US
dc.contributor.authorLiu, Binglien_US
dc.contributor.authorSu, Xiaofeien_US
dc.contributor.authorDalan, Rinkooen_US
dc.contributor.authorMa, Jianhuaen_US
dc.contributor.authorYe, Leien_US
dc.identifier.citationSu, L., Kong, X., Loo, S., Gao, Y., Liu, B., Su, X., Dalan, R., Ma, J. & Ye, L. (2022). Thymosin beta-4 improves endothelial function and reparative potency of diabetic endothelial cells differentiated from patient induced pluripotent stem cells. Stem Cell Research and Therapy, 13(13).
dc.description.abstractBackground: Prior studies show that signature phenotypes of diabetic human induced pluripotent stem cells derived endothelial cells (dia-hiPSC-ECs) are disrupted glycine homeostasis, increased senescence, impaired mitochondrial function and angiogenic potential as compared with healthy hiPSC-ECs. In the current study, we aimed to assess the role of thymosin β-4 (Tb-4) on endothelial function using dia-hiPSC-ECs as disease model of endothelial dysfunction. Methods and results: Using dia-hiPSC-ECs as models of endothelial dysfunction, we determined the effect of Tb-4 on cell proliferation, senescence, cyto-protection, protein expression of intercellular adhesion molecule-1 (ICAM-1), secretion of endothelin-1 and MMP-1, mitochondrial membrane potential, and cyto-protection in vitro and angiogenic potential for treatment of ischemic limb disease in a mouse model of type 2 diabetes mellitus (T2DM) in vivo. We found that 600 ng/mL Tb4 significantly up-regulated AKT activity and Bcl-XL protein expression, enhanced dia-hiPSC-EC viability and proliferation, limited senescence, reduced endothelin-1 and MMP-1 secretion, and improved reparative potency of dia-hiPSC-ECs for treatment of ischemic limb disease in mice with T2DM. However, Tb4 had no effect on improving mitochondrial membrane potential and glycine homeostasis and reducing intercellular adhesion molecule-1 protein expression in dia-hiPSC-ECs. Conclusions: Tb-4 improves endothelial dysfunction through enhancing hiPSC-EC viability, reducing senescence and endothelin-1 production, and improves angiogenic potency in diabetes.en_US
dc.relation.ispartofStem Cell Research and Therapyen_US
dc.rights© The Author(s) 2022. Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit The Creative Commons Public Domain Dedication waiver (http://creativeco applies to the data made available in this article, unless otherwise stated in a credit line to the data.en_US
dc.titleThymosin beta-4 improves endothelial function and reparative potency of diabetic endothelial cells differentiated from patient induced pluripotent stem cellsen_US
dc.typeJournal Articleen
dc.contributor.schoolLee Kong Chian School of Medicine (LKCMedicine)en_US
dc.contributor.organizationTan Tock Seng Hospitalen_US
dc.description.versionPublished versionen_US
dc.description.acknowledgementThis work was supported by National Natural Science Foundation of China project 81870563 (Dr. Ma), China and Goh Research Foundation (Dr. Ye), Singapore.en_US
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