Single nucleotide polymorphism at Fas promoter is associated with cervical carcinogenesis

Hung Cheng Lai, Huey Kang Sytwu, Chien An Sun, Mu Hsien Yu, Cheng Ping Yu, Hang Seng Liu, Cheng Chang Chang, Tang Yuan Chu

Research output: Contribution to journalArticle

93 Citations (Scopus)

Abstract

The causal role of human papillomavirus (HPV) in cervical carcinogenesis is beyond reasonable questioning. The progression from HPV infection, squamous intraepithelial lesions (SIL) to squamous cell carcinomata (SCC), however, is very uncommon and inefficient. Host genetic factors that may confer the susceptibility of disease progression are largely unknown. Apoptosis is an important fail-safe check for tumor development, in which Fas/FasL interaction contributes substantially. The purpose of our study is to test the hypothesis that an A/G polymorphism at -670 of Fas promoter with different transcriptional activity is associated with the risk for cervical neoplasia. A hospital-based case-control study was conducted, in which 104 patients of low grade SIL (LSIL), 131 high grade SIL (HSIL) and 176 SCC as well as age-matched, 1:1 controls were tested for Fas polymorphism by PCR-RFLP. HPV genotypes were determined in case groups by MY PCR-reverse line blot. The frequency of A allele was significantly (p = 0.006) higher in SCC than in control, conferring an odd ratio of 1.5 (95% Cl = 1.1-2.0). The distribution of Fas (-670) genotypes also differed significantly between HSIL, SCC and each of their control (p = 0.017 and 0.03, respectively), with the A/A genotype conferring an OR of 1.3 (95% Cl = 1.1-1.6) and 1.6 (95% Cl = 1.0-2.5), respectively. Remarkably, the frequency of A allele and A/A genotype increased gradually in accordance with the multi-step carcinogenesis from LSIL, HSIL to SCC (Ptest for trend = 0.0066 and 0.0007, respectively). In addition, there was no difference of Fas genotypes between HPV (+) and HPV (-) cases. Fas genotypes, however, differed in LSIL infected with different HPV types (p = 0.033). The present study demonstrated an association between Fas polymorphism and cervical carcinogenesis. We deduced a possible effect of apoptosis of immune cells in this virus-induced cancer.

Original languageEnglish
Pages (from-to)221-225
Number of pages5
JournalInternational Journal of Cancer
Volume103
Issue number2
DOIs
Publication statusPublished - Jan 10 2003
Externally publishedYes

Fingerprint

Single Nucleotide Polymorphism
Carcinogenesis
Genotype
Squamous Cell Carcinoma
Gene Frequency
Apoptosis
Neoplasms
Polymerase Chain Reaction
Papillomavirus Infections
Restriction Fragment Length Polymorphisms
Disease Progression
Case-Control Studies
Odds Ratio
Viruses
Squamous Intraepithelial Lesions of the Cervix

Keywords

  • AICD
  • Apoptosis
  • Fas
  • HPV
  • Polymorphism

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Single nucleotide polymorphism at Fas promoter is associated with cervical carcinogenesis. / Lai, Hung Cheng; Sytwu, Huey Kang; Sun, Chien An; Yu, Mu Hsien; Yu, Cheng Ping; Liu, Hang Seng; Chang, Cheng Chang; Chu, Tang Yuan.

In: International Journal of Cancer, Vol. 103, No. 2, 10.01.2003, p. 221-225.

Research output: Contribution to journalArticle

Lai, HC, Sytwu, HK, Sun, CA, Yu, MH, Yu, CP, Liu, HS, Chang, CC & Chu, TY 2003, 'Single nucleotide polymorphism at Fas promoter is associated with cervical carcinogenesis', International Journal of Cancer, vol. 103, no. 2, pp. 221-225. https://doi.org/10.1002/ijc.10800
Lai, Hung Cheng ; Sytwu, Huey Kang ; Sun, Chien An ; Yu, Mu Hsien ; Yu, Cheng Ping ; Liu, Hang Seng ; Chang, Cheng Chang ; Chu, Tang Yuan. / Single nucleotide polymorphism at Fas promoter is associated with cervical carcinogenesis. In: International Journal of Cancer. 2003 ; Vol. 103, No. 2. pp. 221-225.
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