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12. Breast cancer risk prediction using Tyrer-Cuzick algorithm with an 18-SNPs polygenic risk score in a European population with below-average breast cancer incidenceTjaša Oblak, Petra Škerl, Benjamin J. Narang, Rok Blagus, Mateja Krajc, Srdjan Novaković, Janez Žgajnar, 2023, original scientific article Abstract: Goals: To determine whether an 18 single nucleotide polymorphisms (SNPs) polygenic risk score (PRS18) improves breast cancer (BC) risk prediction for women at above-average risk of BC, aged 40-49, in a Central European population with BC incidence below EU average. Methods: 502 women aged 40-49 years at the time of BC diagnosis completed a questionnaire on BC risk factors (as per Tyrer-Cuzick algorithm) with data known at age 40 and before BC diagnosis. Blood samples were collected for DNA isolation. 250 DNA samples from healthy women aged 50 served as a control cohort. 18 BC-associated SNPs were genotyped in both groups and PRS18 was calculated. The predictive power of PRS18 to detect BC was evaluated using a ROC curve. 10-year BC risk was calculated using the Tyrer-Cuzick algorithm adapted to the Slovenian incidence rate (S-IBIS): first based on questionnaire-based risk factors and, second, including PRS18. Results: The AUC for PRS18 was 0.613 (95 % CI 0.570-0.657). 83.3 % of women were classified at above-average risk for BC with S-IBIS without PRS18 and 80.7 % when PRS18 was included. Conclusion: BC risk prediction models and SNPs panels should not be automatically used in clinical practice in different populations without prior population-based validation. In our population the addition of an 18SNPs PRS to questionnaire-based risk factors in the Tyrer-Cuzick algorithm in general did not improve BC risk stratification, however, some improvements were observed at higher BC risk scores and could be valuable in distinguishing women at intermediate and high risk of BC.
Keywords: early breast cancer, polygenic risk score, risk prediction
Published in DiRROS: 21.03.2024; Views: 223; Downloads: 60
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16. Real-time monitoring and analyses of sensory data integrated into the bim platformStanislav Lenart, Veljko Janjić, Uros Jovanovic, Rok Vezočnik, 2021, published scientific conference contribution Abstract: Bridges and tunnels, crucial elements of the railway infrastructure, are exposed to various types of deterioration processes. Their condition is a subject of monitoring, as it is important to collect as much as possible information in every life cycle phase to reliably predict their future performance. An enormous quantity of monitoring data is generated during the whole life cycle of these assets. EU funded Shift2Rail research project Assets4Rail which is focusing on measuring, monitoring, and data handling for railway assets, as data management is as important as their generation. This paper presents the major outcomes of the Assets4Rail project and its application to infrastructure projects.
Keywords: monitoring, information management, BIM, information management, bridge, tunnel, Assets4Rail
Published in DiRROS: 23.02.2024; Views: 304; Downloads: 240
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17. Triple synchronous cancers : a medical and ethical problemLučka Debevec, Rok Cesar, Izidor Kern, 2007, original scientific article Abstract: Background. In a patient with suspicious synchronous multiple tumours, there are limited possibilities for effective therapy. Therefore, the decision for invasive diagnostics and precise staging of tumours is questionable, especially in elderly patients suitable only for symptomatic therapy. Case report. A 78-year-old man with hypertension and angina pectoris was admitted to the hospital due to syncope. Two primary lung tumours and a kidney tumour were detected by imaging investigation. The patient refused invasive diagnostics and left the hospital. After 19 months he was readmitted in an impaired clinical condition and subsequently died of bronchopneumonia. The autopsy revealed squamous cell carcinoma of the right upper lobe with metastases to regional lymph nodes and to the brain, small-cell carcinoma of the left upper lobe with metastases to regional lymph nodes and to the spleen,and clear-cell kidney carcinoma with multiple metastases to the lungs. All tumours were necrotizing, and therefore we assumed that any attempt at specific therapy would have been ineffective. Conclusions. In an elderly patient with advanced lung tumors and suspicious synchronous triple cancers, the "wait and see" option can be suitable.
Published in DiRROS: 22.02.2024; Views: 303; Downloads: 63
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20. The impact of Al2O3 particles from grit-blasted Ti6Al7Nb (alloy) implant surfaces on biocompatibility, aseptic loosening, and infectionBoštjan Kocjančič, Klemen Avsec, Barbara Šetina, Darja Feizpour, Matjaž Godec, Veronika Kralj-Iglič, Rok Podlipec, Andrej Cör, Mojca Debeljak, John T. Grant, Monika Jenko, Drago Dolinar, 2023, original scientific article Keywords: Ti6Al7Nb implant alloy cementless hip endoprostheses, roughness, Al2O3 grit blasting, surface and subsurface implant contamination, cytotoxicity, aseptic loosening, infection, osseointegration
Published in DiRROS: 01.02.2024; Views: 321; Downloads: 113
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