Abstract:
:Polymorphism of DNA base excision repair (BER) genes affects DNA repair capacity and may alter sensitivity to platinum-based chemotherapy regimens. This study investigated polymorphisms of OGG1 Ser326Cys, APE1 Asp148Glu APE1-141T/G and XRCC1 Arg399Gln for association with clinical outcome in 235 advanced inoperable nonsmall-cell lung cancer (NSCLC) patients after treatment with platinum-based chemotherapy. The multivariate analysis showed that OGG1 326 GC was associated with poor PFS [hazard ratio (HR) 1.730, p = 0.005], while XRCC1 399 GA, or GA+AA, was associated with poor OS in short-term period (HR 1.718, p = 0.003; HR 1.691, p = 0.003, respectively). Patients with OGG1 326/XRCC1 399 variant alleles had a higher risk to die early in short-term period (HR 1.929, p < 0.001). Furthermore, patients with XRCC1 399 variant allele (GA+AA) had higher risk of hematologic toxicity (p = 0.009), whereas patients carrying the OGG1 326 variant (GG), or the APE1-141 GG variant, had reduced risk of gastrointestinal toxicity (p = 0.015 and p = 0.023, respectively). The data from the current study provide evidence that OGG1 Ser326Cys, XRCC1 Arg399Gln, APE1 Asp148Glu, and APE1-141T/G polymorphisms may be useful in predicting clinical outcomes in patients with advanced inoperable NSCLC that will undergo platinum-based chemotherapy.
journal_name
Int J Cancerjournal_title
International journal of cancerauthors
Peng Y,Li Z,Zhang S,Xiong Y,Cun Y,Qian C,Li M,Ren T,Xia L,Cheng Y,Wang Ddoi
10.1002/ijc.28892subject
Has Abstractpub_date
2014-12-01 00:00:00pages
2687-96issue
11eissn
0020-7136issn
1097-0215journal_volume
135pub_type
杂志文章abstract::Examination of the effect of the farnesylprotein transferase (FPTase) inhibitor UCF1-C/manumycin on NIH3T3 cells transfected with a normal N-ras gene and expressing high levels of the corresponding p21-ras protein showed that 10 microm UCF1-C immediately and reversibly inhibited growth in these cells, without modifyin...
journal_title:International journal of cancer
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abstract::This study evaluates the association of antibodies against HPV-16-derived peptides with cervical cancer and estimates the sensitivity and specificity of the serological assays in relation to HPV DNA detection in cervical cells by PCR. Study subjects were derived from 4 case-control studies carried out in Spain and Col...
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