Characterization of Umbilical Cord Mesenchymal Stromal Cells Overexpressing Klotho and In Vitro Anti-Aging Efficacy of Their Derived Extracellular Vesicles
- 1Department of Rheumatology and Immunology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- 2Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
- 3Department of Hematology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430014, China
Abstract
Age-related degeneration remains a premier biomedical challenge, frequently underpinned by cellular senescence and stem cell dysfunction. Accumulating evidence suggests that umbilical cord mesenchymal stromal cell (UC-MSC)-derived extracellular vesicles (UC-EVs) and the longevity protein Klotho hold great promise as anti-aging biotherapeutics. Here, we strategically engineered UC-MSCs to overexpress Klotho and generated functional Klotho-enriched UC-EVs (KL-EVs). Our data demonstrated that genetic modification endowed UC-MSCs with prominent osteogenic differentiation potency and angiogenesis efficacy. More importantly, KL-EVs profoundly rescued multifaceted senescent phenotypes in both adult bone marrow mesenchymal stem cells (BMSCs) and human renal tubular epithelial cells (HK-2) in vitro. In particular, KL-EVs rescued the age-related differentiation bias of adult BMSCs by robustly prompting their osteogenic differentiation capacity. Taken together, we developed a novel type of UC-MSCs and isolated their EVs enriched with Klotho protein. This strategy integrated and enhanced the anti-aging effects of both entities in vitro, offering a new perspective for counteracting cellular senescence and alleviating age-associated degenerative alterations.
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BibTeX
@article{zhang2026characterization,
title = {{Characterization of Umbilical Cord Mesenchymal Stromal Cells Overexpressing Klotho and In Vitro Anti-Aging Efficacy of Their Derived Extracellular Vesicles}},
author = {Anyuan Zhang and Shan Wang and Jing Zhang and Bianlei Yang and Xiaorong Su and Wenying Deng and Hongxiang Wang and Zhichao Chen and Qiubai Li},
journal = {International Journal of Molecular Sciences},
year = {2026},
month = sep,
doi = {10.3390/ijms27188326},
url = {https://www.mdpi.com/1422-0067/27/18/8326},
note = {CC BY 4.0},
}
RIS
TY - JOUR
TI - Characterization of Umbilical Cord Mesenchymal Stromal Cells Overexpressing Klotho and In Vitro Anti-Aging Efficacy of Their Derived Extracellular Vesicles
AU - Anyuan Zhang
AU - Shan Wang
AU - Jing Zhang
AU - Bianlei Yang
AU - Xiaorong Su
AU - Wenying Deng
AU - Hongxiang Wang
AU - Zhichao Chen
AU - Qiubai Li
PY - 2026
DA - 2026/09/19
JO - International Journal of Molecular Sciences
DO - 10.3390/ijms27188326
UR - https://www.mdpi.com/1422-0067/27/18/8326
AB - Age-related degeneration remains a premier biomedical challenge, frequently underpinned by cellular senescence and stem cell dysfunction. Accumulating evidence suggests that umbilical cord mesenchymal stromal cell (UC-MSC)-derived extracellular vesicles (UC-EVs) and the longevity protein Klotho hold great promise as anti-aging biotherapeutics. Here, we strategically engineered UC-MSCs to overexpress Klotho and generated functional Klotho-enriched UC-EVs (KL-EVs). Our data demonstrated that genetic modification endowed UC-MSCs with prominent osteogenic differentiation potency and angiogenesis efficacy. More importantly, KL-EVs profoundly rescued multifaceted senescent phenotypes in both adult bone marrow mesenchymal stem cells (BMSCs) and human renal tubular epithelial cells (HK-2) in vitro. In particular, KL-EVs rescued the age-related differentiation bias of adult BMSCs by robustly prompting their osteogenic differentiation capacity. Taken together, we developed a novel type of UC-MSCs and isolated their EVs enriched with Klotho protein. This strategy integrated and enhanced the anti-aging effects of both entities in vitro, offering a new perspective for counteracting cellular senescence and alleviating age-associated degenerative alterations.
SN - 1422-0067
ER -