HLA-G polymorphisms in women with squamous intraepithelial lesions harboring human papillomavirus

Autor(es):Mostrar menos -

Simoes, Renata T. ^{[1, 2]} ; Goncalves, Maria Alice G. ^[2] ; Castelli, Erick C. ^[2] ; Junior, Celso M. ^[3] ; Bettini, Jussara S. R. ^[1] ; Discorde, Magali L. ^[4] ; Duarte, Geraldo ^[5] ; Quintana, Silvana M. ^[5] ; Simoes, Aguinaldo L. ^[6] ; Moreau, Philippe ^[4] ; Carosella, Edgardo D. ^[4] ; Soares, Edson G. ^[1] ; Donadi, Eduardo A. ^[2]

Afiliação do(s) autor(es)

^[1] Univ Sao Paulo, Dept Pathol, Sch Med Ribeirao Preto, BR-14049900 Sao Paulo - Brazil

^[2] Univ Sao Paulo, Dept Med, Sch Med Ribeirao Preto, Div Clin Immunol, BR-14049900 Sao Paulo - Brazil

^[3] Univ Sao Paulo, Dept Quim, Fac Filosofia Ciencias & Letras Ribeirao Preto, BR-14049900 Sao Paulo - Brazil

^[4] CEA I2BM, Serv Rech Hematoimmunol, Paris - France

^[5] Univ Sao Paulo, Sch Med Ribeirao Preto, Dept Gynecol & Obstet, BR-14049900 Sao Paulo - Brazil

^[6] Univ Sao Paulo, Sch Med Ribeirao Preto, Dept Genet, BR-14049900 Sao Paulo - Brazil

• Tipo de documento: Artigo Científico
• Fonte: MODERN PATHOLOGY; v. 22, n. 8, p. 1075-1082, AUG 2009.
• Citações Web of Science: 34

Resumo

Human papillomavirus (HPV) infection is etiologically associated with low-(LSIL) and high-grade squamous intraepithelial lesions (HSIL) and with cervical cancer. The progression or regression of the lesions may depend, among other factors, on the host heritable immune response. Because human leukocyte antigen (HLA)-G molecules are involved in the modulation of innate and adaptive immune responses, and because no previous studies have evaluated HLA-G polymorphism in patients with SIL, we conducted a study to assess the association between HLA-G polymorphisms and cervical lesions harboring HPV infection. Cervico-vaginal scrapings and blood samples were collected from 125 women with SIL (68 LSIL and 57 HSIL) and from 94 healthy women without HPV infection and cytological abnormalities. HPV type and HLA-G polymorphisms in exons 2, 3 and 8 (14 bp insertion/deletion) were evaluated by PCR methodology, and digested with restriction endonucleases. The Genepop software and the EM and PHASE algorithms were used for statistical analysis. A significant protective association was observed between the presence of the G{*}0103 allele and SIL and between the G0101/G0104 genotype and HSIL in the group of patients compared to control. The presence of the G0104/+14 bp and G0104/-14 bp haplotypes conferred susceptibility to SIL compared to control. In addition, patients possessing the G0104/+14 bp haplotype and harboring HPV-16 and -18 co-infections were particularly associated with HSIL. These findings suggest that HLA-G polymorphisms may be associated with HPV infection and SIL, consequently representing a profile of predisposition to cervical cancer. Modern Pathology (2009) 22, 1075-1082; doi: 10.1038/modpathol.2009.67; published online 1 May 2009 (AU)

• Processo FAPESP: 01/02908-2 - Influência da imunodeficiência como fator de risco na patogênese das Neoplasias Intraepiteliais Cervicais (NIC)
• Beneficiário: Maria Alice Guimarães Gonçalves
• Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado