Suppressor of cytokine signalling gene expression is elevated in breast carcinoma
2003

Elevated SOCS Gene Expression in Breast Cancer

Sample size: 20 publication 15 minutes Evidence: moderate

Author Information

Author(s): Raccurt M, Tam S P, Lau P, Mertani H C, Lambert A, Garcia-Caballero T, Li H, Brown R J, McGuckin M A, Morel G, Waters M J

Primary Institution: Université Claude Bernard-Lyon 1

Hypothesis

The study examines the expression of suppressor of cytokine signaling (SOCS) genes in breast cancer tissues and cell lines.

Conclusion

The study found that SOCS-1, -2, -3, and CIS mRNA levels are significantly elevated in breast cancer tissues compared to normal tissues.

Supporting Evidence

  • SOCS-1 gene expression increased in cancerous ducts by 22% compared to normal ducts.
  • SOCS-2 gene expression increased by 135% in cancerous cells of in situ ductal carcinoma.
  • SOCS-3 gene expression increased by 32% in cancerous ducts compared to normal ducts.
  • CIS gene expression was elevated by 120% in tumor cells of in situ ductal carcinoma.

Takeaway

This study looked at how certain genes that help control cell growth are more active in breast cancer, which might help us understand how the disease works.

Methodology

The study analyzed surgical samples of breast cancer and breast cancer cell lines using in situ hybridization and immunohistochemistry to measure SOCS gene expression.

Potential Biases

Potential bias may arise from the selection of tissue samples and the methods used for gene expression analysis.

Limitations

The study is limited by the small sample size and the focus on specific types of breast cancer.

Participant Demographics

The study included 20 human breast samples, with varying stages of cancer.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/sj.bjc.6601115

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