[Perioperative immunologic changes in colorectal cancer patients]
1Clinica Chirurgie II, Spitalul Universitar de Urgenţă, Bucureşti, Romania.
Chirurgia (Bucharest, Romania : 1990)
|April 7, 2012
Summary
This study reveals that colon cancer patients exhibit altered immune mediator profiles, with significant changes observed before, during, and after surgery. Tumor resection impacts the immune system, influencing cytokine and chemokine levels.
Area of Science:
- Oncology
- Immunology
- Surgical Science
Background:
- Colon cancer is associated with an altered immune status.
- Understanding the perioperative immunological changes is crucial for patient outcomes.
Purpose of the Study:
- To investigate the perioperative immunological profile in colon cancer patients.
- To explore correlations between immune mediators and disease status.
- To assess the impact of tumor resection on immune mediator levels.
Main Methods:
- Serum levels of cytokines (IL-6, IL-8, IL-10, IFN-gamma, TNF-alpha), chemokines (MIP-1alpha, MCP-1, ENA-78), and growth factors (VEGF, bFGF) were measured using XMap profiling technology (Luminex).
- Measurements were taken before, during, and after surgery in colon cancer patients and compared to healthy controls.
Main Results:
- Colon cancer patients showed elevated levels of pro-inflammatory cytokines (IL-1, IL-6, IL-8) and anti-inflammatory cytokine IL-10 compared to controls.
- Pre-surgery, MCP-1 and MIP-1alpha levels correlated positively with pro-inflammatory cytokines.
- During surgery, all mediators increased, with correlations observed between TNF-alpha, IL-8, MCP-1, and MIP-1alpha. These correlations diminished one week post-operation.
- Postoperatively, mediator levels decreased but remained higher than in controls.
Conclusions:
- Both the presence of a tumor and surgical intervention significantly influence the immune mediators' network in colon cancer patients.
- These findings highlight the dynamic interplay between cancer, surgery, and the immune system.
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