Abstract
Aim
We aimed to study the prevalence of major risk factors for hepatocellular carcinoma (HCC) among Nigerians.
Method
Eighty-five HCC patients and 77 non-HCC, nonchronic liver diseased age and gender-matched controls were recruited. The p53 codon 249mutationwas detected by restriction fragment length polymorphism (RFLP) using plasma DNA. HBV and HCV infection were detected by thirdgeneration enzyme-linked immunosorbent assay (ELISA) technique in 55 HCC subjects and 52 controls. Alcohol intake was obtained from the history of the subjects, and significant alcohol ingestion was taken as ingestion of ≥40 g daily of alcohol for ≥10 years.
Results
The prevalence of the p53 codon 249 mutation, positive HBsAg status, anti-HCV, and significant alcohol ingestion among HCC patients were 7.6 (6/79), 58.2 (32/55), 6.0 (3/50), and 38.5% (30/78), respectively, versus 0 (0/73), 7.7 (4/52), 11.5 (6/52), and 13.3% (10/77), respectively among controls. The respective p values were 0.029, 0.000, 0.182, and 0.005. The odds ratio were 2.00 (95% CI: 1.70–2.35), 16.7 (95% CI = 5.276–52.857), 0.489 (95% CI = 0.115–2.073), and 4.186 (95% CI = 1.870–10.372), respectively.
Conclusion
p53 codon 249 mutation, HBV infection, and alcohol are significantly associated with HCC in Nigeria, whereas HCV infection is not.
Résumé
But de l’étude
Nous avons voulu étudier la prévalence des facteurs de risque majeurs de carcinome hépatocellulaire (CHC) chez les Nigérians.
Méthodes
Quatre-vingt-cinq patients atteints de CHC et 77 témoins non atteints de CHC ni de maladie hépatique chronique, comparables par l’âge et le sexe, ont été recrutés. La mutation du codon 249 de P53 a été détectée par RFLP (polymorphisme de longueur des fragments de restriction) sur de l’ADN plasmatique. L’infection par le VHB et le VHC a été détectée par une technique ELISA de troisième génération chez 55 sujets avec CHC et 52 témoins. La consommation d’alcool a été déterminée par l’anamnèse et elle était jugée significative lorsqu’elle était ≥ 40 g/jour d’alcool pendant ≥ 10 ans.
Résultats
La prévalence de la mutation du codon 249 de p53, de la présence d’antigène HBs (AgHBs+), de la présence d’anticorps anti-VHC et d’une consommation significative d’alcool chez les patients atteints de CHC était respectivement de 7,6 % (6/79), 58,2 % (32/55), 6,0 % (3/50) et 38,5 % (30/78), contre respectivement 0 % (0/73), 7,7 % (4/52), 11,5 % (6/52) et 13,3 % (10/77) chez les témoins. Les valeurs de p respectives étaient de 0,029, 0,000, 0,182 et 0,005. Les rapports de cotes étaient respectivement de 2,00 (IC 95 % = 1,70–2,35), 16,7 (IC 95 %= 5,276–52,857), 0,489 (IC 95 % = 0,115–2,073) et 4,186 (IC 95 % = 1,870–10,372).
Conclusion
La mutation du codon 249 de P53, l’infection par le VHB et l’alcool montrent une association significative avec le CHC au Nigeria, mais pas l’infection par le VHC.
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Igetei, R., Otegbayo, J.A., Lesi, O.A. et al. P53 codon 249 mutation and other risk factors among Nigerians with hepatocellular carcinoma. J Afr Cancer 2, 133–139 (2010). https://doi.org/10.1007/s12558-010-0083-3
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DOI: https://doi.org/10.1007/s12558-010-0083-3
Keywords
- p53 codon 249 mutation
- cell-free/plasma DNA
- hepatitis B virus
- hepatitis C virus
- alcohol
- hepatocellular carcinoma
- Nigeria