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Cytokine. 2019 Jan;113:99-104. doi: 10.1016/j.cyto.2018.06.014. Epub 2018 Jun 20.

Significant association between IL10-1082/-819 and TNF-308 haplotypes and the susceptibility to cervical carcinogenesis in women infected by Human papillomavirus.

Author information

1
Laboratory of Molecular Studies and Experimental Therapy, Department of Genetics, Federal University of Pernambuco, Pernambuco, Brazil.
2
Academic Unit of Serra Talhada - Federal Rural University of Pernambuco, Pernambuco, Brazil.
3
Laboratory of Molecular and Cytological Research, Department of Histology, Federal University of Pernambuco, Pernambuco, Brazil.
4
Department of Biology, Federal University of Sergipe, Sergipe, Brazil.
5
Department of Engineering and Environment, Federal University of Paraiba, Paraiba, Brazil.
6
Laboratory of Molecular Studies and Experimental Therapy, Department of Genetics, Federal University of Pernambuco, Pernambuco, Brazil. Electronic address: acf_ufpe@yahoo.com.br.

Abstract

Human papillomavirus (HPV) is responsible for high-grade cervical lesions and cervical cancer. The inflammation plays a key role in cervical cancer progression. In this context, studies propose an association between TNFα and IL10 SNPs and susceptibility to HPV infection. The present work aimed to investigate the possible association between IL10 and TNFα promoter polymorphisms and HPV infection in the cervical carcinogenesis risk in women from Brazil. A total of 654 samples was evaluated in this study. HPV detection was performed by PCR and HPV genotyping was performed by PCR and sequencing of positive MY09/11 PCR product. Genotyping of IL10 SNPs (rs1800871 and rs1800896) was performed by High Resolution Melt analysis. Genotyping of TNFα SNP (rs1800629) was performed by fluorogenic allele-specific probes. The distribution of TNF-308 (rs1800629) allelic (p = 0.03) and genotype (p = 0.03) frequencies and HPV-58 infection has showed a statistically significant difference between case and control groups for the assessed TNFα polymorphism. When it comes to TNFα (rs1800629) allelic and genotypic distribution and HPVs 18 and 31 infections, no statistically significant differences between case and control groups were observed for the studied TNFα polymorphism. The allelic and genotypic distribution of IL10-819 (rs1800871) and IL10-1082 (rs1800896) and HPV infection (HPVs 58, 18 and 31) has showed no statistically significant differences between case and control groups for the assessed IL10 polymorphisms. Furthermore, it was observed that haplotypes were associated with an increased cervical cancer risk in HPVs 16, 18 and 58-positive women. It was observed that women carrying the GTA and ATG haplotypes had 3.85 and 17.99-fold, respectively, increased cervical cancer susceptibility when infected by HPV-58. In women infected with HPV-16 and HPV-18, statistically significant results in women carrying the GTA and ATA haplotypes was observed. They had a 2.32 and 3.67-fold, respectively, increased cervical cancer susceptibility when infected by these two HPV types. The analysis of the haplotypes distribution in women infected with HPV-31 has showed no statistically significant results. Our study indicates that the association of genetic polymorphism in inflammation-related genes represents a risk to the susceptibility in the development of cervical cancer in women infected by HPVs 16, 18 and 58.

KEYWORDS:

Cervical cancer; Human papillomavirus; IL10; TNFα

PMID:
29935877
DOI:
10.1016/j.cyto.2018.06.014

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