Characterization of N-acetyltransferase 1 and 2 polymorphisms and haplotype analysis for inflammatory bowel disease and sporadic colorectal carcinoma
2007

Study of NAT1 and NAT2 Genes in Colorectal Cancer and Inflammatory Bowel Disease

Sample size: 729 publication Evidence: high

Author Information

Author(s): Mahid Suhal S, Colliver Daniel W, Crawford Nigel PS, Martini Benjamin D, Doll Mark A, Hein David W, Cobbs Gary A, Petras Robert E, Galandiuk Susan

Primary Institution: University of Louisville School of Medicine

Hypothesis

NAT1 and/or NAT2 polymorphisms contribute to the increased cancer evident in inflammatory bowel disease.

Conclusion

This study did not demonstrate an association between NAT1 and NAT2 polymorphisms and inflammatory bowel disease or sporadic colorectal cancer.

Supporting Evidence

  • The study included a large sample size of 729 participants.
  • No significant differences were found in genotype or allele frequencies among the groups.
  • Power calculations indicated sufficient sample size to detect differences in frequency.

Takeaway

The study looked at genes that might affect cancer risk in people with bowel diseases, but found no link between those genes and cancer.

Methodology

A case control study with genotyping of NAT1 and NAT2 in 729 Caucasian participants.

Limitations

The study was limited to Caucasian participants, which may affect the generalizability of the results.

Participant Demographics

729 Caucasian participants, including 123 with sporadic colorectal cancer, 201 with Crohn's disease, 167 with ulcerative colitis, 15 with IBD dysplasia/cancer, and 223 controls.

Digital Object Identifier (DOI)

10.1186/1471-2350-8-28

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