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Updated: Jun 6, 2026
09:58
A Method for Labeling Vasculature in Embryonic Mice
Published on: October 7, 2011
Genetic repression of mouse VEGF expression regulates coagulation cascade
Xiao Liu1, Liming Hao, Shuzhi Zhang
1National Engineering Laboratory, Institution of Genetics and Cytology, Northeast Normal University, Changchun 130024, People's Republic of China.
IUBMB Life
|November 19, 2010
Summary
Vascular Endothelial Growth Factor (VEGF) regulates blood clotting and may impact sepsis. This study provides the first genetic evidence linking VEGF transcription directly to the coagulation cascade, offering new therapeutic strategies.
Area of Science:
- Biochemistry
- Molecular Biology
- Hematology
Background:
- Vascular Endothelial Growth Factor (VEGF) is crucial for embryonic development and adult organ maintenance.
- VEGF inactivation causes embryonic lethality, necessitating reversible systems for adult studies.
- VEGF is highly expressed in platelets and various tissues.
Purpose of the Study:
- To investigate the role of VEGF in regulating the coagulation cascade.
- To explore the potential impact of VEGF on sepsis and blood hypercoagulation.
- To establish a reversible system for studying VEGF expression in adult tissues.
Main Methods:
- Development of a reversible system to control VEGF expression.
- Repression of VEGF expression in adult mice.
- Assessment of bleeding time and clotting time.
- Analysis of plasma thrombin-antithrombin formation in a mouse model of LPS-induced hypercoagulation.
Main Results:
- VEGF repression led to significant defects in bleeding and clotting times.
- VEGF-repressed mice showed reduced plasma thrombin-antithrombin formation during hypercoagulation.
- Tissue damage varied in VEGF-repressed mice during induced hypercoagulation.
Conclusions:
- VEGF plays a direct role in regulating the coagulation cascade.
- VEGF may influence sepsis progression through its effects on coagulation.
- This study provides the first genetic evidence linking VEGF transcription to coagulation.
- Findings suggest potential new therapeutic strategies for coagulation-related diseases.
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