M-CSF Induces VEGF Production and Angiogenesis
Author Information
Author(s): Curry Jennifer M., Eubank Tim D., Roberts Ryan D., Wang Yijie, Pore Nabendu, Maity Amit, Marsh Clay B.
Primary Institution: The Ohio State University
Hypothesis
M-CSF induces VEGF production through the MAPK/ERK pathway via Sp1.
Conclusion
M-CSF induces VEGF production and enhances angiogenesis in vivo through an ERK- and Sp1-dependent mechanism.
Supporting Evidence
- M-CSF was shown to significantly increase VEGF production in human monocytes.
- Inhibition of ERK activity reduced VEGF production to baseline levels.
- M-CSF treatment led to increased nuclear localization of Sp1.
- VEGF levels were significantly higher in M-CSF-treated plugs compared to controls.
- Neutralizing VEGF in M-CSF-treated plugs significantly reduced blood vessel formation.
Takeaway
M-CSF helps certain immune cells make a substance called VEGF, which helps new blood vessels grow, especially in tumors.
Methodology
The study used human monocytes treated with M-CSF to analyze VEGF production through various assays including luciferase reporter assays and in vivo angiogenesis models.
Potential Biases
Potential bias in the selection of monocyte donors and the use of specific inhibitors.
Limitations
The study primarily focused on in vitro and in vivo models, which may not fully replicate human physiological conditions.
Participant Demographics
Human monocytes isolated from healthy donors.
Statistical Information
P-Value
p=0.020
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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