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Updated: Feb 7, 2026

Isolation of Human Umbilical Vein Endothelial Cells and Their Use in the Study of Neutrophil Transmigration Under Flow Conditions
Published on: August 8, 2012
Conditioned Medium from Human Umbilical Vein Endothelial Cells Promotes Proliferation, Migration, Invasion and
Ming-Lian Luo1,2, Xiao-Ping Liu1, Fang Wang1
1Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
Insights
Induced endothelial differentiation of adipose-derived stem cells (ADSCs) shows potential for treating preeclampsia (PE). These modified ADSCs enhanced vascular repair factors, suggesting a novel therapeutic approach for this pregnancy complication.
Area of Science:
- Regenerative Medicine
- Obstetrics
- Vascular Biology
Background:
- Preeclampsia (PE) is a pregnancy complication linked to endothelial dysfunction.
- Adipose-derived stem cells (ADSCs) can differentiate into endothelial cells, offering potential for vascular repair.
Purpose of the Study:
- To investigate the potential of induced endothelial differentiation of ADSCs (iADSCs) for treating PE.
- To compare the bioactivity and angiogenic factor expression of iADSCs versus standard ADSCs.
Main Methods:
- ADSCs and human umbilical vein endothelial cells (HUVECs) were isolated.
- ADSCs were induced to differentiate using HUVEC-conditioned medium.
- Flow cytometry, proliferation, migration, invasion, angiogenesis assays, RT-PCR, and Western blotting were used to assess cell characteristics and function.
Main Results:
- HUVEC-conditioned medium promoted ADSC proliferation, migration, invasion, and angiogenesis.
- Induced ADSCs (iADSCs) exhibited enhanced endothelial characteristics.
- Levels of vascular endothelial growth factor (VEGF) and placenta growth factor (PlGF) were significantly increased in iADSCs.
Conclusions:
- Induced endothelial differentiation of ADSCs holds promise for PE therapy.
- iADSCs demonstrate enhanced angiogenic potential relevant for treating PE-related vascular dysfunction.
Abstract:
Preeclampsia (PE) is a pregnancy-specific hypertensive complication, closely related to endothelial dysfunction. Adipose derived stem cells (ADSCs) have the capacity to differentiate into endothelial cells for vascular repair. Therefore, we hypothesized that induced endothelial differentiation of ADSCs might hold great potential for the treatment of PE. In this study, the primary ADSCs and human umbilical vein endothelial cells (HUVECs) were isolated by the collagenase digestion method. The supernatant of HUVECs was collected from the first generation of cells. Then, ADSCs were divided into two groups: ADSCs alone group and induced ADSCs (iADSCs) group. In iADSCs group, ADSCs were induced by HUVECs conditioned medium and ADSCs special culture medium at a ratio of 1:1 over a two-week period. In order to identify the endothelial characteristics of iADSCs, CD31 and CD34 were examined by flow cytometry. The proliferation, migration, invasion and angiogenesis assays were employed to compare the bioactivity of iADSCs and ADSCs. Furthermore, The levels of angiogenic related factors including vascular endothelial growth factor (VEGF) and placenta growth factor (P1GF) were detected by RT-PCR and Western blotting. Results showed conditioned medium from HUVECs promoted ADSCs proliferation, migration, invasion and angiogenesis. In addition, the levels of VEGF and P1GF were significantly enhanced in iADSCs group. This study uncovered the iADSCs application potential in the therapy and intervention of PE.
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