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Correlation Between Thymidylate Synthase Protein Expression and Gene Polymorphism in Colorectal Carcinoma

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— 1 min read

Colorectal carcinoma is a type of cancer that affects the colon and rectum, with chemotherapy being a primary treatment option. 5-Fluorouracil (5-FU) is a chemotherapy drug that targets thymidylate synthase (TS), an enzyme essential for DNA replication. However, previous studies have yielded inconsistent results on the correlation between TS protein expression and patient outcomes. Researchers at Campinas State University conducted a study to investigate the relationship between TS protein expression and gene polymorphism in patients with colorectal carcinoma treated with 5-FU.

Key Takeaways:

  • The study involved 32 patients with colorectal carcinoma treated with 5-FU, and immunohistochemical detection of TS protein expression was performed on tumor cells.
  • Gene polymorphism in the TS gene was detected in the blood using a specific method.
  • No correlation was found between TS protein expression and gene polymorphism, contradicting previous studies that associated high TS protein expression with poor patient outcomes.
  • The researchers concluded that the lack of correlation reflects a complex tumor response to 5-FU therapy, where TS is just one of the involved proteins.
  • The study's findings suggest that TS protein expression and gene polymorphism may not be reliable predictors of patient outcomes in colorectal carcinoma.
  • The study highlights the need for further research to better understand the relationship between TS protein expression, gene polymorphism, and patient outcomes in colorectal carcinoma.

Statistics:

  • 32 patients with colorectal carcinoma were involved in the study.
  • 5-FU was administered to all patients as part of their chemotherapy treatment.
  • TS protein expression was detected in tumor cells using immunohistochemistry.
  • Gene polymorphism was detected in the TS gene using a specific method in the blood.
  • No correlation was observed between TS protein expression and gene polymorphism.
  • The study's conclusions were based on the analysis of clinicopathological findings, including tumor staging and histological grading.

Sources:

  • Moreira, L.R., et al. (2009). Correlation Between Thymidylate Synthase Protein Expression and Gene Polymorphism With Clinicopathological Parameters in Colorectal Carcinoma. International Journal of Surgical Pathology, 17(3), 181-186.
  • Campinas State University. (n.d.). Laboratory of Experimental Surgery and Surgical Research. Retrieved from [Cancer Weekly via NewsRx.com](http://www.newsrx.com/index.php/News/106805)

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