XPA A23G polymorphism is associated with the elevated response to platinum-based chemotherapy in advanced non-small cell lung cancer
Author(s) -
Jifeng Feng,
Xinchen Sun,
Ning Sun,
Shukui Qin,
Fan Li,
Hongyan Cheng,
Baoan Chen,
Yuandong Cao,
Jun Ma,
Lü Cheng,
Zuhong Lu,
Jiazhong Ji,
Zhou Yingfeng
Publication year - 2009
Publication title -
acta biochimica et biophysica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.771
H-Index - 57
eISSN - 1745-7270
pISSN - 1672-9145
DOI - 10.1093/abbs/gmp027
Subject(s) - xeroderma pigmentosum , nucleotide excision repair , dna repair , ercc1 , chemotherapy , cancer research , lung cancer , biology , dna damage , dna , gene , oncology , medicine , genetics
DNA repair capacity (DRC) is correlated with sensitivity of cancer cells toward platinum-based chemotherapy. We hypothesize that genetic polymorphisms in DNA repair gene XPA (xeroderma pigmentosum group A) and XPG (xeroderma pigmentosum group G) (ERCC5, excision repair cross-complementation group 5), which result in inter-individual differences in DNA repair efficiency, may predict clinical response to platinum agents in advanced non-small cell lung cancer (NSCLC) patients. In this study, we find that the Aright curved arrow G change of XPA A23G polymorphism significantly increased response to platinum-based chemotherapy. Polymorphism in XPG His46His was associated with a decreased treatment response, but was not statistically significant.
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