ArticlePathogens (Basel, Switzerland)2023
Coinfection of HPVs Is Associated with Advanced Stage in Colorectal Cancer Patients from Qatar.
Article in Pathogens (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed, 14 citations in OpenAlex.
- Genotoxic Bacteria and Oncogenic Viruses in Colorectal Cancer: Evidence, Gaps, and a Proposed Interaction Model.International journal of molecular sciences · 2026Review
- Article
- Unraveling HPV-associated cancer complexity: From molecular insights to innovative therapies.Heliyon · 2025Review
- HPV-Related Cancers in Bosnia and Herzegovina: A Comprehensive Review.Acta medica academica · 2024Review
- Time to take HPV infection in colorectal cancer patients more seriously.Frontiers in medicine · 2024Article
- Case-control study: Unveiling human polyomaviruses and papillomavirus in Egyptian colorectal cancer patients.PloS one · 2024Article
- Incidence and association of high-risk HPVs and EBV in patients with advanced stages of colorectal cancer from Qatar.Human vaccines & immunotherapeutics · 2023Article
Corrections and comments
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Authors and funding
9 authors at 4 institutions in 2 countries.
Funding
Abstract
High-risk human papillomaviruses (HPVs) are considered risk factors in the origin of several human malignancies, such as breast, cervical, head and neck, as well as colorectal cancers. However, there are no data reported on the HPV status in colorectal cancer in the State of Qatar. Therefore, we herein examined the presence of high-risk HPVs (16, 18, 31, 33, 35, 45, 51, 52, and 59), using polymerase chain reaction (PCR) in a cohort of 100 Qatari colorectal cancer patients, and their association with tumor phenotype. We found that high-risk HPV types 16, 18, 31, 35, 45, 51, 52, and 59 were present in 4, 36, 14, 5, 14, 6, 41, and 17% of our samples, respectively. Overall, 69 (69%) of the 100 samples were HPV positive; among these, 34/100 (34%) were positive for single HPV subtypes, while 35/100 (35%) of the samples were positive for two or more HPV subtypes. No significant association was noted between the presence of HPV and tumor grade, stage, or location. However, the presence of coinfection of HPV subtypes strongly correlated with advanced stage (stage 3 and 4) colorectal cancer, indicating that the copresence of more than one HPV subtype can significantly worsen the prognosis of colorectal cancer. The results from this study imply that coinfection with high-risk HPV subtypes is associated with the development of colorectal cancer in the Qatari population.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.