Abstract | BACKGROUND: MATERIALS AND METHODS:
DNA sequencing was used to evaluate genetic polymorphisms of GSTP1 Ile105Val and RRM1 C37A-T524C in 47 NSCLC patients treated with gemcitabine- cisplatin regimens. Clinical response was evaluated according to RECIST criteria after 2 cycles of chemotherapy and toxicity was assessed by 1979 WHO criteria (acute and subacute toxicity graduation criteria in chemotherapeutic agents). RESULTS: There was no statistical significance between sensitive and non-sensitive groups regarding the genotype frequency distribution of GSTP1 Ile105Val polymorphism (p>0.05). But for RRM1 C37A-T524C genotype, sensitive group had higher proportion of high effective genotype than non-sensitive group (p=0.009). And according to the joint detection of GSTP1 Ile105Val and RRM1 C37A-T524C polymorphisms, the proportion of type A (A/A+high effective genotype) was significantly higher in sensitive group than in non-sensitive group (p=0.009). Toxicity showed no correlation with the genotypes between two groups (p>0.05). CONCLUSIONS: Compared with single detection of genetic polymorphisms of GSTP1 Ile105Val or RRM1 C37A-T524C, joint detection of both may be more helpful for patients with NSCLC to receive gemcitabine- cisplatin regimens as the first-line chemotherapy. Especially, genetic polymorphism of RRM1 is more likely to be used as an important biomarker to predict the response and toxicity of gemcitabine- cisplatin combination chemotherapy in NSCLC.
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Authors | Zhi-Jun Yuan, Wen-Wu Zhou, Wei Liu, Bai-Ping Wu, Jin Zhao, Wei Wu, Yi He, Shuo Yang, Jing Su, Yi Luo |
Journal | Asian Pacific journal of cancer prevention : APJCP
(Asian Pac J Cancer Prev)
Vol. 16
Issue 10
Pg. 4347-51
( 2015)
ISSN: 2476-762X [Electronic] Thailand |
PMID | 26028097
(Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
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Chemical References |
- Biomarkers, Tumor
- Tumor Suppressor Proteins
- Deoxycytidine
- RRM1 protein, human
- Ribonucleoside Diphosphate Reductase
- GSTP1 protein, human
- Glutathione S-Transferase pi
- Cisplatin
- Gemcitabine
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Topics |
- Adult
- Aged
- Antineoplastic Combined Chemotherapy Protocols
(adverse effects, therapeutic use)
- Biomarkers, Tumor
(genetics)
- Carcinoma, Non-Small-Cell Lung
(drug therapy, genetics)
- China
- Cisplatin
(administration & dosage)
- Deoxycytidine
(administration & dosage, analogs & derivatives)
- Drug Resistance, Neoplasm
(genetics)
- Female
- Genotype
- Glutathione S-Transferase pi
(genetics)
- Humans
- Lung Neoplasms
(drug therapy, genetics)
- Male
- Middle Aged
- Polymorphism, Single Nucleotide
- Response Evaluation Criteria in Solid Tumors
- Ribonucleoside Diphosphate Reductase
- Tumor Suppressor Proteins
(genetics)
- Gemcitabine
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