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Query: "author" (Barbara Pi%C5%A1kur) .

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221.
From language models to large-scale food and biomedical knowledge graphs
Gjorgjina Cenikj, Lidija Strojnik, Risto Angelski, Nives Ogrinc, Barbara Koroušić-Seljak, Tome Eftimov, 2023, original scientific article

Abstract: Knowledge about the interactions between dietary and biomedical factors is scattered throughout uncountable research articles in an unstructured form (e.g., text, images, etc.) and requires automatic structuring so that it can be provided to medical professionals in a suitable format. Various biomedical knowledge graphs exist, however, they require further extension with relations between food and biomedical entities. In this study, we evaluate the performance of three state-of-the-art relation-mining pipelines (FooDis, FoodChem and ChemDis) which extract relations between food, chemical and disease entities from textual data. We perform two case studies, where relations were automatically extracted by the pipelines and validated by domain experts. The results show that the pipelines can extract relations with an average precision around 70%, making new discoveries available to domain experts with reduced human effort, since the domain experts should only evaluate the results, instead of finding, and reading all new scientific papers.
Keywords: biomedical knowledge graphs, relation-mining pipelines, relation extraction, validation
Published in DiRROS: 17.05.2023; Views: 416; Downloads: 167
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222.
Zarodne in somatske mutacije kožnega melanoma
Barbara Perić, 2023, published scientific conference contribution

Abstract: Vsaka celica telesa ima svoj lasten genski zapis. Kakšen je ta zapis in kako se prevede v beljakovine je odvisno od zarodnih sprememb genov in od vplivov okolja. Genski zapis je osnova za nastanek, razumevanje in dandanes tudi zdravljenje raka. V zadnjih dveh desetletjih so bili melanociti in kožni melanom, ki nastane iz njih predmet številnih molekularnogenetskih raziskav. Tako vemo, da med osebami z družinsko obremenitvijo za kožni melanom najpogosteje odkrijemo patogeno različico CDKN2A gena ob kateri je zvišano tako tveganje za kožni melanom kot za rak trebušne slinavke. Ko govorimo o somatskih mutacijah, je gotovo najbolj znana BRAFV600Emutacija, ki predstavlja enega prvih dogodkov v patogenezi kožnih melanomov nastalih na intermitentno soncu izpostavljeni koži. Leta raziskav tovrstnih gonilnih mutacij so pripeljala tudi do razvoja tarčne terapije.
Keywords: rak kože, melanom, kožni melanom
Published in DiRROS: 16.05.2023; Views: 352; Downloads: 116
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