Endotoxin's Role in Tumor Growth After Surgery
Author Information
Author(s): Pidgeon G P, Harmey J H, Kay E, Costa M Da, Redmond H P, Bouchier-Hayes D J
Primary Institution: Royal College of Surgeons in Ireland, Departments of Surgery and Pathology, Beaumont Hospital, Beaumont, Dublin 9, Ireland
Hypothesis
Does endotoxin or lipopolysaccharide contribute to the growth of metastases following surgical trauma?
Conclusion
Endotoxin introduced during surgery is linked to increased growth of metastases by affecting cellular growth and angiogenesis.
Supporting Evidence
- Endotoxin injection led to increased lung metastasis compared to controls.
- Metastatic growth was associated with increased tumor cell proliferation and decreased apoptosis.
- VEGF levels were elevated in groups exposed to endotoxin or surgical trauma.
Takeaway
When doctors perform surgery, a substance called endotoxin can enter the body and make cancer spread faster.
Methodology
BALB/c mice were injected with cancer cells and subjected to surgical trauma or endotoxin injection to observe effects on metastasis.
Participant Demographics
BALB/c mice
Digital Object Identifier (DOI)
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