Cited by 72Mesenchymal stem cell researchAngiogenesis and VEGF in CancerTGF-β signaling in diseases

Mesenchymal stem cells promote tumor angiogenesis via the action of transforming growth factor β1

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LI, GUO-CAI, ZHANG, HONG-WEI, ZHAO, QING-CHUN, SUN, LI, YANG, JIAN-JUN, HONG, LIU, FENG, FAN, CAI, LEI·2016·Oncology Letters

Abstract

Mesenchymal stem cells (MSCs) may influence the growth and metastasis of various human malignancies, including hepatocellular carcinoma (HCC). Therefore, the underlying mechanisms via which MSCs are able to affect malignancies require investigation. In the present study, the potential role of MSC in the angiogenesis of HCC was investigated. A total of 17 nude mouse models exhibiting human HCC were used to evaluate the effects of MSC on angiogenesis. A total of 8 mice were injected with human MSCs via the tail vein, and the remaining 9 mice were injected with phosphate-buffered saline as a control. A total of 35 days subsequent to the injection of MSCs, the microvessel density (MVD) of tumors was evaluated by immunostaining, using cluster of differentiation 31 antibody. The mRNA levels of transforming growth factor (TGF)β1, Smad2 and Smad7 were detected using reverse transcription-quantitative polymerase chain reaction. Protein expression levels of TGFβ1 and vascular endothelial growth factor (VEGF) in tumor tissues were analyzed using ELISA. Compared with controls, MVD in MSC-treated mice was significantly increased (28.00±9.19 vs. 18.11±3.30; P=0.006). The levels of TGFβ1 mRNA in the MSC-treated group were 2.15-fold higher compared with the control group (1.27±0.61 vs. 0.59±0.39; P=0.033), and MVD was higher in the group exhibiting increased TGFβ1 mRNA levels compared with the control group (26.50±9.11 vs. 19.44±6.14; P=0.038). In addition, a close correlation between the expression levels of TGFβ1 and VEGF was identified. The results of the present study suggested that MSCs may be capable of enhancing the angiogenesis of HCC, which may be partly due to the involvement of TGFβ1.

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Crossref · 10.3892/ol.2015.3997

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  • Interaction between endothelial cells and pericytes confers localized and constitutive TGF-β activation, which is required for microvascular integrity.

    “and interaction between endothelial cells and pericytes confers localized and constitutive TGF-β activation, which is required for microvascular integrity274,275.”

    From TGFβ biology in cancer progression and immunotherapy (2021) · cites this paper as [275]

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Authors
LI, G.-C., ZHANG, H.-W., ZHAO, Q.-C., SUN, L., YANG, J.-J., HONG, L., FENG, F., & CAI, L.
Affiliations
Xijing Hospital (CN)
Venue
Oncology Letters
Published
2015-12-03
Volume
11
Issue
2
Pages
1089-1094
ISSN
  • 1792-1074 (ISSN-L)
  • 1792-1082
OpenAlex
W2185094661
Cited by
72
References
42
Citations by year
2026: 6 · 2025: 1 · 2024: 10 · 2023: 6 · 2022: 12 · 2021: 11 · 2020: 9 · 2019: 7 · 2018: 6 · 2017: 2 · 2016: 2
FWCI
1.87
Type
journal article
Language
en
Open access
Locations
  • Oncology Letters (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
Fudan University
Topics
  • Health Sciences › Medicine › Genetics › Mesenchymal stem cell research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Angiogenesis and VEGF in Cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › TGF-β signaling in diseases
Keywords
mesenchymal stem cells, tumor angiogenesis, hepatocellular carcinoma, TGF-β1, Smad2, Smad7, vascular endothelial growth factor, microvessel density, tumor microenvironment

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