ArticleJournal of the National Cancer Institute2016
Relevance of Sp Binding Site Polymorphism in WWOX for Treatment Outcome in Pancreatic Cancer.
Article in Journal of the National Cancer Institute, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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21 citing papers in PubMed, 41 citations in OpenAlex.
- Bevacizumab-induced hypertension and proteinuria: a genome-wide study of more than 1000 patients.British journal of cancer · 2022Trial
- The vitamin D receptor gene as a determinant of survival in pancreatic cancer patients: Genomic analysis and experimental validation.PloS one · 2018Trial
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- BIK polymorphism and proteasome regulation unveil host risk factor for severe influenza.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
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- Mast cell degranulation and bradykinin-induced angioedema - searching for the missing link.Frontiers in immunology · 2024Review
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- Exonic variants in multiple myeloma patients associated with relapsed/ refractory and response to bortezomib regimens.Saudi journal of biological sciences · 2022Article
- Gene polymorphisms of insulin secretion signaling pathway associated with clopidogrel resistance in Han Chinese population.Journal of clinical laboratory analysis · 2021Article
- Evaluating the Possible Association between PD-1 (Rs11568821, Rs2227981, Rs2227982) and PD-L1 (Rs4143815, Rs2890658) Polymorphisms and Susceptibility to Breast Cancer in a Sample of Southeast Iranian Women.Asian Pacific journal of cancer prevention : APJCP · 2020Article
- Involvement of FGFR4 Gene Variants on the Clinicopathological Severity in Urothelial Cell Carcinoma.International journal of environmental research and public health · 2019Article
- Impact of Long Non-Coding RNAJournal of clinical medicine · 2019Article
- A novel missense variant in the SDR domain of the WWOX gene leads to complete loss of WWOX protein with early-onset epileptic encephalopathy and severe developmental delay.Neurogenetics · 2018Article
- Relationship of genetic variant distributions of WW domain-containing oxidoreductase gene with uterine cervical cancer.International journal of medical sciences · 2018Article
- Single nucleotide polymorphisms and cancer susceptibility.Oncotarget · 2017Review
- Functional genetic variant of WW domain-containing oxidoreductase (WWOX) gene is associated with hepatocellular carcinoma risk.PloS one · 2017Article
- Article
- WWOX inhibits the invasion of lung cancer cells by downregulating RUNX2.Cancer gene therapy · 2016Article
- Functional genetic variant in the Kozak sequence of WW domain-containing oxidoreductase (WWOX) gene is associated with oral cancer risk.Oncotarget · 2016Article
- Genetic factors affecting patient responses to pancreatic cancer treatment.Annals of gastroenterologyReview
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Authors and funding
19 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundA genome-wide association study (GWAS) suggested inherited genetic single-nucleotide polymorphisms (SNPs) affecting overall survival (OS) in advanced pancreatic cancer. To identify robust clinical biomarkers, we tested the strongest reported candidate loci in an independent patient cohort, assessed cellular drug sensitivity, and evaluated molecular effects.
methodsThis study comprised 381 patients with histologically verified pancreatic ductal adenocarcinoma treated with gemcitabine-based chemotherapy. The primary outcome was the relationship between germline polymorphisms and OS. Functional assays addressed pharmacological dose-response effects in lymphoblastoid cell lines (LCLs) and pancreatic cancer cell lines (including upon RNAi), gene expression analyses, and allele-specific transcription factor binding. All statistical tests were two-sided.
resultsThe A allele (26% in Caucasians) at SNP rs11644322 in the putative tumor suppressor gene WWOX conferred worse prognosis. Median OS was 14 months (95% confidence interval [CI] = 12 to 15 months), 13 months (95% CI = 11 to 15 months), and nine months (95% CI = 7 to 12 months) for the GG, GA, and AA genotypes, respectively (P trend < .001 for trend in univariate log-rank assuming a codominant mode of inheritance; advanced disease subgroup P trend < .001). Mean OS was 25 months (95% CI = 21 to 29 months), 19 months (95% CI = 15 to 22 months), and 13 months (95% CI = 10 to 16 months), respectively. This effect held true after adjustment for age, performance status according to Eastern Cooperative Oncology Group classification, TNM, grading, and resection status and was comparable with the strongest established prognostic factors in multivariable analysis. Consistently, reduced responsiveness to gemcitabine, but not 5-fluorouracil, along with lower WWOX expression was demonstrated in LCLs harboring the AA genotype. Likewise, RNAi-mediated WWOX knockdown in pancreatic cancer cells confirmed differential cytostatic drug sensitivity. In electrophoretic mobility shift assays, the A allele exhibited weaker binding of Sp family members Sp1/Sp3.
conclusionsWWOX rs11644322 represents a major predictive factor in gemcitabine-treated pancreatic cancer. Decreased WWOX expression may interfere with gemcitabine sensitivity, and allele-specific binding at rs11644332 might be a causative molecular mechanism behind the observed clinical associations.
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