VEGF Production and Receptor Expression in Breast Cancer Cells
Author Information
Author(s): Speirs V, Atkin S L
Primary Institution: Department of Medicine, Medical Research Laboratory, University of Hull
Hypothesis
The study investigates the production of VEGF and the expression of its receptors in breast cancer cells compared to normal breast tissue.
Conclusion
Breast cancer cells produce more VEGF and express its receptors differently than normal breast cells, suggesting a role in tumor growth and invasion.
Supporting Evidence
- Epithelial cells produced a mean VEGF of 33 ± 7 pg ml−1 μg−1 RNA.
- Stromal cells produced a mean VEGF of 48 ± 11 pg ml−1 μg−1 RNA.
- VEGF production was significantly greater in tumor-derived cultures compared to normal breast tissue.
- Flt-1 was expressed by four of six epithelial and five of six stromal cultures.
- KDR was constitutively expressed by epithelial cultures but reduced in stromal cultures.
Takeaway
Breast cancer cells make more of a substance called VEGF, which helps tumors grow, and they have different ways of using the receptors for this substance compared to normal cells.
Methodology
VEGF production was measured using enzyme-linked immunosorbent assay, and receptor expression was analyzed by semi-quantitative reverse transcription polymerase chain reaction.
Participant Demographics
Primary cultures derived from ten human breast carcinomas.
Statistical Information
P-Value
P < 0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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