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Genotipificación del virus papiloma humano en mujeres con adenocarcinoma cervical de la Región de La Araucanía-Chile / Human papillomavirus genotyping in cervical adenocarcinoma in the Region of La Araucanía-Chile
Melo A, Angélica; García M, Patricia; Capurro V, Italo; Guzmán G, Pablo; Brebi M, Priscila; Ili G, Carmen; López M, Jaime; Roa S, Juan C.
  • Melo A, Angélica; s.af
  • García M, Patricia; s.af
  • Capurro V, Italo; s.af
  • Guzmán G, Pablo; s.af
  • Brebi M, Priscila; s.af
  • Ili G, Carmen; s.af
  • López M, Jaime; s.af
  • Roa S, Juan C; s.af
Rev. chil. infectol ; 27(4): 297-301, ago. 2010. ilus
Article in Spanish | LILACS | ID: lil-567542
RESUMEN
El virus papiloma humano (VPH) es el principal factor causal del cáncer cervicouterino (CCU). Así, detectar y genotipificar el VPH es importante para conocer la frecuencia de los genotipos presentes en la región. En este trabajo se estudiaron 44 biopsias de adenocarcinoma cervical (ACC). Para la detección del VPH se empleó una reacción de polimerasa en cadena anidada dirigida al gen L1 (RPCL1), para la genotipificación viral se utilizaron enzimas de restricción (Rsa I, Dde I, Pst I) y secuenciación. Se detectó ADN viral mediante RPCL1 anidada en 100 por ciento de las biopias. Se logró tipificar 38/44 casos 81,6 por ciento VPH 16; 13,2 por ciento VPH 18; 2,6 por ciento VPH 33 y 2,6 por ciento VPH 18/33.

Conclusiones:

La metodología fue exitosa para identificar el tipo viral en 86 por ciento de las biopsias. Se observó una estrecha asociación ACC-VPH, especialmente con el tipo viral 16, detectado en 81,6 por ciento de los casos tipificados.
ABSTRACT
Human papillomavirus (HPV) is the main cause of cervical cancer. Thus, HPV detection and typing becomes important in order to know the frequency of genotypes present in the region. In this paper we studied 44 biopsies of cervical adenocarcinoma. For HPV detection nested polymerase chain reaction (PCR) was used to amplify the L1 gene. For viral typing restriction enzymes (Rsa I, Dde I, Pst I) and DNA sequencing were used. Viral DNA was detected by nested L1 PCR in 100 percent of biopsies; 38/44 cases could be typed 81.6 percent HPV16; 13.2 percent HPV 18; 2.6 percent VPH 33 and 2.6 percent HPV 18/33.

Conclusions:

The technique was successful in identifying the virus type in 86 percent of biopsies. There was a strong association ACC-HPV, especially with the viral type 16, detected in 81.6 percent of established cases.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: DNA, Viral / Adenocarcinoma / Uterine Cervical Neoplasms / Papillomavirus Infections / Alphapapillomavirus Type of study: Observational study / Prognostic study / Risk factors Limits: Adult / Aged / Female / Humans Country/Region as subject: South America / Chile Language: Spanish Journal: Rev. chil. infectol Journal subject: Communicable Diseases Year: 2010 Type: Article / Project document

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Full text: Available Index: LILACS (Americas) Main subject: DNA, Viral / Adenocarcinoma / Uterine Cervical Neoplasms / Papillomavirus Infections / Alphapapillomavirus Type of study: Observational study / Prognostic study / Risk factors Limits: Adult / Aged / Female / Humans Country/Region as subject: South America / Chile Language: Spanish Journal: Rev. chil. infectol Journal subject: Communicable Diseases Year: 2010 Type: Article / Project document