Human papillomavirus is not associated with colorectal cancer in a large international study
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Objective of the study
Recent publications have reported an association between colon cancer and human papillomaviruses (HPV), suggesting that HPV infection of the colonic mucosa may contribute to the development of colorectal cancer.
The GP5+/GP6+ PCR reverse line blot method was used for detection of 37 types of human papillomavirus (HPV) in DNA from paraffin-embedded or frozen tissues from patients with colorectal cancer (n = 279) and normal adjacent tissue (n = 30) in three different study populations, including samples from the United States (n = 73), Israel (n = 106) and Spain (n = 100). Additionally, SPF10 PCR was run on all samples (n = 279) and the Innogenetics INNO-LiPA assay was performed on a subset of samples (n = 15).
All samples were negative for all types of HPV using both the GP5+/GP6+ PCR reverse line blot method and the SPF10 INNO-LiPA method.
We conclude that HPV types associated with malignant transformation do not meaningfully contribute to adenocarcinoma of the colon.
KeywordsHuman papillomavirus Colorectal cancer International study
This study was supported in part by NCI R01 CA81488, and the University of Michigan Comprehensive Cancer Center core grant (5P30 CA46592).
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