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Updated: Jan 7, 2026
07:49
Molecular Analysis of Endothelial-mesenchymal Transition Induced by Transforming Growth Factor-β Signaling
Published on: August 3, 2018
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ARHGEF15 Promotes Endothelial Cell Migration Through the Regulation of STAT3 Signaling.
Shan-Shan Shi1,2, Yu-Xuan Shang2, Peng Gao1,3,4
1Laboratory of Translational Medicine in Microvascular Regulation, Institute of Microvascular Medicine, Medical Research Center, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Jinan, 250014, China.
Current Medical Science
|December 8, 2025
Summary
Rho guanine nucleotide exchange factor 15 (ARHGEF15) promotes endothelial cell migration by activating STAT3 signaling. This finding is crucial for understanding pancreatic cancer progression and endothelial cell function.
Area of Science:
- Cell Biology
- Molecular Biology
- Cancer Research
Background:
- Rho guanine nucleotide exchange factor 15 (ARHGEF15) activates Rho proteins and is linked to poor pancreatic cancer prognosis.
- ARHGEF15 is highly expressed in endothelial cells, but its function there is unclear.
Purpose of the Study:
- To investigate the effects of ARHGEF15 on endothelial cells.
- To elucidate the molecular mechanisms underlying ARHGEF15 function in endothelial cells.
Main Methods:
- ARHGEF15 gene manipulation (overexpression/knockdown) in human umbilical vein endothelial cells (HUVECs).
- Assessed cell migration (wound healing, Transwell) and proliferation (CCK8, MTT).
- Analyzed STAT3 signaling pathway activation and inhibited it using STATTIC.
Main Results:
- ARHGEF15 overexpression enhanced HUVEC migration; knockdown inhibited it.
- ARHGEF15 did not affect HUVEC proliferation.
- ARHGEF15 increased STAT3 phosphorylation, which was blocked by STATTIC, preventing enhanced migration.
Conclusions:
- ARHGEF15 promotes endothelial cell migration.
- The mechanism involves the regulation of STAT3 signaling.
- ARHGEF15's role in endothelial cell migration may contribute to pancreatic cancer progression.
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