Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.23/462
Título: The impact of GGH -401C>T polymorphism on cisplatin-based chemoradiotherapy response and survival in cervical cancer
Autor: Silva, IH
Nogueira-Silva, C
Figueiredo, T
Lombo, L
Faustino, I
Catarino, R
Nogueira, A
Pereira, D
Medeiros, R
Palavras-chave: Quimiorradioterapia
Polimorfismo de Nucleotídeo Único
Neoplasias do Colo do Útero
gama-Glutamil Hidrolase
Data: 2013
Editora: Elsevier
Citação: Gene. 2013;512(2):247-50
Resumo: AIMS: Cervical cancer is the third most frequent cancer in women worldwide, mostly treated with cisplatin-based chemoradiotherapy. Since it is known that folate metabolism might interfere with cisplatin effectiveness, we intended to study the influence of the Gamma Glutamyl Hydrolase -401C>T polymorphism in treatment response in cervical cancer. METHODS: We retrospectively reviewed the clinical data of 167 patients with bulky cervical cancer submitted to cisplatin-based chemoradiotherapy. The genotypes of GGH -401C>T SNP were determined by real-time PCR and statistical analysis was performed by χ(2) test and survival analysis. RESULTS: The genotypes of GGH-401C>T were significantly associated with the response to platinum-based chemoradiotherapy. Treatment response was higher in patients carrying the CC genotype, who presented a significant increased chance of treatment response (survival time in months/genotype: 91 for CC Vs 72 for CT/TT; p=0.035, log rank test). A Cox regression analysis accordingly showed that the presence of the T allele was significantly linked to a worse treatment response (HR=3.036; CI 95% 1.032-8.934, p=0.044). CONCLUSIONS: The results of our study suggested the potential interest of GGH -401C>T as a predictive factor of the outcome of cervical carcinoma treated with cisplatin-based chemoradiotherapy.
Peer review: yes
URI: http://hdl.handle.net/10400.23/462
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