Analysis of single nucleotide polymorphism in the promoter and protein expression of the chemokine Eotaxin-1 in colorectal cancer patients
2007

Eotaxin-1 and Colorectal Cancer

Sample size: 241 publication Evidence: moderate

Author Information

Author(s): Wågsäter Dick, Löfgren Sture, Hugander Anders, Dienus Olaf, Dimberg Jan

Primary Institution: Karolinska Institute, Stockholm, Sweden

Hypothesis

What is the role of eotaxin-1 in colorectal cancer?

Conclusion

Eotaxin-1 protein levels are higher in cancer tissue compared to normal tissue, and lower in the plasma of colorectal cancer patients compared to controls.

Supporting Evidence

  • Eotaxin-1 protein levels in colorectal tumors were significantly higher than in normal tissue.
  • Plasma eotaxin-1 levels in CRC patients were lower compared with controls.
  • Patients with Dukes' stage B and C had lower eotaxin-1 levels than those with stage A.

Takeaway

Eotaxin-1 is a protein that helps attract certain immune cells, and in colorectal cancer, it is found more in tumor tissue but less in the blood of patients.

Methodology

The study compared eotaxin-1 levels in colorectal cancer tissues and plasma from patients and controls using ELISA and genotyping.

Limitations

The study did not find significant associations between eotaxin-1 genotype and clinical characteristics.

Participant Demographics

The study included 241 colorectal cancer patients (123 males, 118 females) and 253 controls (133 males, 120 females), all of Swedish Caucasian origin.

Statistical Information

P-Value

0.036

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1186/1477-7819-5-84

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