https://nova.newcastle.edu.au/vital/access/ /manager/Index ${session.getAttribute("locale")} 5 Founder mutations for early onset melanoma as revealed by whole exome sequencing suggests that this is not associated with the increasing incidence of melanoma in Poland https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:44984 CDKN2A-variants. A replication study using a set of 1,200 melanoma patient DNA samples and similarly large series of healthy controls was undertaken. Results: We selected 21 potentially deleterious variants in 20 genes (VRK1, MYCT1, DNAH14, CASC3, MS4A12, PRC1, WWOX, CARD6, EXO5, CASC3, CASP8AP2, STK33, SAMD11, CNDP2, CPNE1, EFCAB6, CABLES1, LEKR1, NUDT17, and RRP15), which were identified by WES and confirmed by Sanger sequencing for an association study. Evaluation of the allele distribution among carriers and their relatives in available family trios revealed that these variants were unlikely to account for many familial cases of melanoma. Replication study revealed no statistically significant differences between cases and controls. Conclusion: Although most of the changes seemed to be neutral we could not exclude an association between variants in VRK1, CREB3L3, EXO5, and STK33 with melanoma risk.]]> Wed 26 Oct 2022 09:22:11 AEDT ]]> Do founder mutations characteristic of some cancer sites also predispose to pancreatic cancer? https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:24833 A, del5395, I157T), NBS1 (657del5) and PALB2 (509-510delGA, 172-175delTTGT). A statistically significant association between the 657del5 mutation and an increased risk of pancreatic cancer was observed for NBS1 gene. The Slavic NBS1 gene mutation (657delACAAA) was detected in 8 of 383 (2.09%) unselected cases compared with 22 of 4,000 (0.55%) controls (OR: 3.80, p = 0.002). The PALB2 509_510delGA and 172-175delTTGT mutations combined were seen in 2 (0.52%) unselected cases of PaCa and in 8 (0.20%) of 4,000 controls (OR: 2.61, p = 0.49). For BRCA1, the three mutations combined were detected in 4 of 383 (1.04%) PaCa patients and in 17 of 4,000 (0.42%) controls (OR: 2.46, p = 0.20). CHEK2 mutations were not associated with the risk of pancreatic cancer (OR: 1.11, p = 0.72). The founder mutation in NBS1 (657del5) was associated with an increased risk of PaCa in heterozygous carriers, indicating that this mutation appears to predispose to cancer of the pancreas. By identifying pancreatic cancer risk groups, founder mutation testing in Poland should be considered for people at risk for PaCa.]]> Wed 24 Nov 2021 15:53:13 AEDT ]]> Influence of the selenium level on overall survival in lung cancer https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:37060 69 µg/L, reference). The 80 months crude survival after diagnosis was 79.5% (95% CI: 68.5-92.4%) for individuals in the highest tertile and 58.1% (95% CI: 45.1-74.9%) for individuals in the lowest tertile with stage I lung cancer. Conclusion: These results suggest that in patients undergoing treatment for stage I lung cancer, serum selenium levels at the time of diagnosis (>69 µg/L) may be associated with improved overall survival.]]> Wed 19 Jan 2022 15:19:20 AEDT ]]> Survival of bladder or renal cancer in patients with CHEK2 mutations https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:49893 A and I157T. Predictors of survival were determined among CHEK2 pathogenic variant carriers using the Cox proportional hazards model. The median follow-up was 17.5 years. Covariates included age (≤60; >61 years), sex (female; male), clinical characteristics (stage: TNM, grade, histopathological type), smoking status (non-smoking; smoking) and cancer family history (negative; positive). Results: We found no impact of CHEK2 mutations on bladder or kidney cancer survival. However, we observed a possible increased survival in the subgroup of patients with stage T1 bladder cancer with CHEK2 mutations but this did not meet statistical significance (HR = 0.14; 95% CI 0.02–1.04; p = 0.055). Moreover, we observed that the missense mutations were more frequent in the low grade invasive bladder cancer patient group (OR = 7.9; 95% CI 1.50–42.1; p = 0.04) and in patients with bladder cancer with stage Ta (OR = 2.4; 95% CI 1.30–4.55; p = 0.006). The different results where missense mutations occurs less often we observed among patients with high grade invasive bladder cancer (OR = 0.12; 95% CI 0.02–0.66; p = 0.04) and those with stage T1 disease (OR = 0.2; 95% CI 0.07–0.76; p = 0.01). Our investigations revealed that any mutation in CHEK2 occurs more often among patients with stage Ta bladder cancer (OR = 2.0; 95% CI 1.19–3.47; p = 0.01) and less often in patients with stage T1 disease (OR = 0.31; 95% CI 0.12–0.78; p = 0.01). In the kidney cancer patients, truncating mutations were present more often in the group with clear cell carcinoma GII (OR = 8.0; 95% CI 0.95–67.7; p = 0.05). The 10-year survival for all CHEK2 mutation carriers with bladder cancer was 33% and for non-carriers 11% (p = 0.15). The 10-year survival for CHEK2 mutation carriers with kidney cancer 34% and for non-carriers 20% (p = 0.5). Conclusion: CHEK2 mutations were not associated with any change in bladder or kidney cancer survival regardless of their age, sex, smoking status and family history. We observed a potentially protective effect of CHEK2 mutations on survival for patients with stage T1 bladder cancer. CHEK2 missense mutations were more common among patients with low grade invasive bladder cancer and in patients with stage Ta diease. The frequencies of the I157T CHEK2 pathogenic variant were less in patients with high grade invasive bladder cancer and those with stage T1 disease. Among patients with bladder cancer with stage Ta disease, the OR for any mutation in CHEK2 was 2.0 but for those with stage T1 disease, the OR was 0.3. We observed truncating CHEK2 mutations were associated with kidney cancer patients with GII clear cell carcinoma.]]> Wed 14 Jun 2023 17:10:17 AEST ]]> Polymorphisms in nucleotide excision repair genes and susceptibility to colorectal cancer in the Polish population https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:27053 Wed 11 Apr 2018 16:37:42 AEST ]]> Inflammatory response gene polymorphisms and their relationship with colorectal cancer risk https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:4866 Wed 11 Apr 2018 16:25:23 AEST ]]> Management of ovarian and endometrial cancers in women belonging to HNPCC carrier families: review of the literature and results of cancer risk assessment in Polish HNPCC families https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:27601 Wed 11 Apr 2018 15:11:09 AEST ]]> Variant alleles of the CYP1B1 gene are associated with colorectal cancer susceptibility https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:10390 Wed 11 Apr 2018 12:49:05 AEST ]]> Smoking related cancers and loci at chromosomes 15q25, 5p15, 6p22.1 and 6p21.33 in the Polish population https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:13891 Wed 11 Apr 2018 12:00:00 AEST ]]> Serum 25(OH)D concentration, common variants of the VDR gene and lung cancer occurrence https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:32347 Wed 09 Mar 2022 15:59:14 AEDT ]]> Lung Cancer Occurrence—Correlation with Serum Chromium Levels and Genotypes https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:49864 0.1 μg/L were correlated with 73% (52/71) of lung cancers diagnosed with stage I disease. Our findings support the role of chromium and the influence of key proteins on lung cancer burden in the general population.]]> Wed 07 Jun 2023 14:09:37 AEST ]]> Prevalence of germline TP53 variants among early-onset breast cancer patients from Polish population https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:46235 Tue 15 Nov 2022 08:51:17 AEDT ]]> Constitutional variants in POT1, TERF2IP, and ACDgenes in patients with melanoma in the Polish population https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:38900 POT1, ACD, and TERF2IP mutations among Polish melanoma patients. A cohort of 60 patients from melanoma-prone families, 1500 unselected cases and 1500 controls were genotyped. Methodology included Sanger sequencing, in-silico software predilection, and TaqMan assays. We identified three nonsynonymous variants: POT1 c.903 G>T; TERF2IP c.970 A>G; and ACD c.1544 T>C and a splice site variant ACD c.645 G>A. The c.903 G>T was predicted to be pathogenic according to PolyPhen-2, benign according to Mutation Taster, PROVEAN, AGVGD, and SIFT. The c.645 G>A was defined as disease caused by Mutation Taster and Human Splicing Finder and as variant of unknown significance by ClinVar. The other detected variants were described as benign. The c.903 G>T variant was present in two unselected cases and one control [P = 0.57, odds ratio (OR) = 2.00]; the c.645 G>A variant was not detected among the unselected cases and the controls; the c.970 A>G variant was present in 110 cases and 133 controls (P = 0.14, OR = 0.81); the c.1544 T>C variant was present in 687 cases and 642 controls (P = 0.11, OR = 1.07). We found no loss of heterozygosity of the c.903 G>T, c.970 A>G, and c.645 G>A variants. C.645 G>A variant had no effect on splicing or expression. The changes in POT1 c.903 G>T and ACD c.645 G>A can be classified as rare variants of unknown significance, the other variants appear to be polymorphisms. Germline mutations in POT1, ACD, and TERF2IP are infrequent among Polish melanoma patients.]]> Tue 01 Mar 2022 16:02:13 AEDT ]]> Association of zinc level and polymorphism in MMP-7 gene with prostate cancer in Polish population https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:35067 853.0–973.9 μg/l). Among five analyzed genetic variants, rs11568818 in MMP-7 appeared to be correlated with 2-fold increased prostate cancer risk (OR = 2.39, 95% CI = 1.19–4.82, p = 0.015). Conclusion: Our results suggest a significant correlation of higher serum zinc levels with the diagnosis of prostate cancer. The polymorphism rs11568818 in MMP-7 gene was also associated with an increased prostate cancer risk in Poland.]]> Thu 04 Nov 2021 10:38:46 AEDT ]]> Genetic contribution to all cancers: the first demonstration using the model of breast cancers from Poland stratified by age at diagnosis and tumour pathology https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:7576 Sat 24 Mar 2018 08:37:24 AEDT ]]> The NOD2 3020insC mutation and the risk of colorectal cancer https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:1921 50 years of age was significantly elevated compared with the control population (odds ratio, 2.23; P = 0.0046). The results indicate that NOD2 may be a predisposing factor to colorectal cancer characterized by an older average age of disease onset in persons who do not harbor any other genetic predisposition to disease.]]> Sat 24 Mar 2018 08:33:08 AEDT ]]> Prevalence of the E318K and V320I MITF germline mutations in Polish cancer patients and multiorgan cancer risk-a population-based study https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:20712 Sat 24 Mar 2018 08:06:21 AEDT ]]> Common variants of xeroderma pigmentosum genes and prostate cancer risk https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:19105 Sat 24 Mar 2018 07:55:58 AEDT ]]> First recurrent large genomic rearrangement in the BRCA1 gene found in Poland https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:21290 BRCA1 gene increases the risk of the person developing breast and/or ovarian cancer. The prevalence and spectrum of large genomic rearrangements (LGRs) varies considerably among different tested populations. In our previous study we described three LGRs in BRCA1 (exons 13-19, exon 17 and exon 22) in Polish families at high risk of breast and ovarian cancer. In this study we analyzed a group of 550 unselected women with ovarian cancer for the three previously identified LGRs. We used a rapid, single-step and closed-tube method: high-resolution melting analysis (HRMA). In this group of unrelated patients diagnosed with ovarian cancer we found three cases with the same deletions of exon 22. This is the first recurrent large deletion in BRCA1 found in Poland. We conclude that screening for the exon 22 deletion in BRCA1 should be included in the Polish BRCA1 genetic testing panel and possibly extended into other Slavic populations.]]> Sat 24 Mar 2018 07:54:36 AEDT ]]> Low prevalence of CDKN2A/ARF mutations among early-onset cancers of breast, pancreas and malignant melanoma in Poland https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:5178 g), a novel intronic change IVS1+36 g>c and two common variants A148T and IVS3+29 c>g. The results of this study revealed a paucity of mutations in CDKN2A/ARF suggesting that in the Polish population this gene does not contribute significantly to early-onset breast cancer, pancreatic cancer and malignant melanoma.]]> Sat 24 Mar 2018 07:47:42 AEDT ]]> Germline mutations in the CHEK2 kinase gene are associated with an increased risk of bladder cancer https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:5018 Sat 24 Mar 2018 07:44:12 AEDT ]]> Selenium and cancer https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:25547 Sat 24 Mar 2018 07:26:05 AEDT ]]> Blood cadmium levels as a marker for early lung cancer detection https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:38391 Mon 29 Jan 2024 18:44:32 AEDT ]]> Influence of the levels of arsenic, cadmium, mercury and lead on overall survival in lung cancer https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:48683 1.97–7.77 µg/L) compared to quartile I (0.23–0.57 µg/L, reference). This study revealed that low blood cadmium levels <1.47 µg/L are probably associated with improved overall survival in treated patients with stage IA disease.]]> Mon 27 Mar 2023 14:53:43 AEDT ]]> BRCA1/2 mutations are not a common cause of malignant melanoma in the Polish population https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:42998 A and c.4534 C>T. Disease allele frequency was evaluated by genotyping of 1230 consecutive melanoma cases, 5000 breast cancer patients, 3500 prostate cancers and 9900 controls. Both variants were found to be absent among unselected cancer patients and healthy controls. The MutationTaster, Polyphen2 and SIFT algorithms indicate that c.9334G>A is a damaging variant. Due to lack of tumour tissue LOH analysis could not be performed for this variant. The variant segregated with the disease. The c.4534 C>T variant did not segregate with disease, there was no LOH of the variant. The c.9334G>A variant, classified as a rare variant of unknown significance, on current evidence may predisposes to cancers of the breast, prostate and melanoma. Functional studies to describe how the DNA change affects the protein function and a large multi-center study to evaluate its penetrance are required. © 2018 DeÎbniak et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.]]> Fri 09 Sep 2022 14:03:47 AEST ]]> Low blood-as levels and selected genotypes appears to be promising biomarkers for occurrence of colorectal cancer in women https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:49791 Fri 02 Jun 2023 17:14:07 AEST ]]>