Please use this identifier to cite or link to this item: http://sgc.anlis.gob.ar/handle/123456789/2175
Title: Physical status of the E2 human papilloma virus 16 viral gene in cervical preneoplastic and neoplastic lesions
Authors: Tonon, Sergio Andrés 
Picconi, María Alejandra 
Bos, P. D. 
Zinovich, Jorge Bruno 
Galuppo, Juan Antonio 
Alonio, Lidia V. 
Teyssie, Angelica R. 
Keywords: Papillomavirus Humano 16;Neoplasia Intraepitelial Cervical;Lesiones Intraepiteliales Escamosas
Issue Date: May-2001
Journal: Journal of clinical virology : the official publication of the Pan American Society for Clinical Virology 
Abstract: 
Integration of human papilloma virus (HPV) 16 DNA is considered an important genetic change in cervical lesion progression towards ICC. The viral E2 gene is often disrupted by this process, releasing suppression of viral E6/E7 oncogenes, a key factor for oncogenic progression. Objectives: To evaluate the physical status of HPV 16 E2 gene in cervical preneoplastic and neoplastic lesions and its relation with lesion severity. Study design: A sensitive PCR approach for the detection of an intact E2 HPV 16 gene in infected epithelial cells from the cervix with low grade squamous intraepithelial lesion (LGSIL), high grade squamous intraepithelial lesion (HGSIL) and invasive cervical carcinoma (ICC) diagnosis was applied. The correlation between gene disruption and lesion stage was examined. Results: Sixty-two LGSIL, 39 HGSIL and 24 ICC samples were analyzed. Fifty-seven LGSIL [92%], 13 HGSIL [33%] and 4 ICC [17%] showed results compatible with an intact E2 gene, while 5 LGSIL [8%], 26 HGSIL [67%] and 20 ICC [83%] samples gave no signal. Conclusions: HPV 16 E2 gene disruption showed a positive correlation with cervical lesion progression, particularly from LGSIL to HGSIL. Although additional genetic events are very likely to be needed for HGSIL to ICC progression, the E2 gene disruption is a putative early marker to consider in the prognostic analysis of HPV 16 chronically infected women.
Description: 
Fil: Tonon, Sergio Andrés. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales. Laboratorio de Biologia Molecular Aplicada; Argentina.

Fil: Picconi, María Alejandra. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento de Virología. Servicio Virus Oncogénicos; Argentina.

Fil: Bos, P. D. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales. Laboratorio de Biologia Molecular Aplicada; Argentina.

Fil: Zinovich, Jorge Bruno. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales. Laboratorio de Biologia Molecular Aplicada; Argentina.

Fil: Galuppo, Juan Antonio. Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales. Laboratorio de Biologia Molecular Aplicada; Argentina.

Fil: Alonio, Lidia Virginia. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento de Virología. Servicio Virus Oncogénicos; Argentina.

Fil: Teyssie, Angelica R. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento de Virología. Servicio Virus Oncogénicos; Argentina.
URI: http://sgc.anlis.gob.ar/handle/123456789/2175
ISSN: 1386-6532
DOI: 10.1016/s1386-6532(01)00155-x
Rights: Closed Access
Appears in Collections:Publicaciones INEI

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