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Browsing by Author "Hilmarsdóttir, Bylgja"

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The BRCA1 c.4096+3A>G Variant Displays Classical Characteristics of Pathogenic BRCA1 Mutations in Hereditary Breast and Ovarian Cancers, But Still Allows Homozygous Viability

Arason, Adalgeir; Agnarsson, Bjarni A.; Jóhannesdóttir, Gudrún; Jóhannsson, Óskar Þór; Hilmarsdóttir, Bylgja; Reynisdóttir, Inga; Barkardottir, Rosa Bjork (MDPI AG, 2019-11-01)

Mutations in BRCA1 result in predisposal to breast and ovarian cancers, but many variants exist with unknown clinical significance (VUS). One is BRCA1 c.4096+3A>G, which affects production of the full-length BRCA1 transcript, while augmenting transcripts ...
Expression of ncRNAs on the DLK1-DIO3 Locus Is Associated With Basal and Mesenchymal Phenotype in Breast Epithelial Progenitor Cells

Budkova, Zuzana; Sigurðardóttir, Anna Karen; Briem, Eiríkur; Bergthorsson, Jon Thor; Sigurðsson, Snævar; Magnusson, Magnus Karl; Traustadottir, Gunnhildur Asta; Gudjonsson, Thorarinn; Hilmarsdóttir, Bylgja (Frontiers Media SA, 2020-06-16)

Epithelial-to-mesenchymal transition (EMT) and its reversed process mesenchymal-to-epithelial transition (MET) play a critical role in epithelial plasticity during development and cancer progression. Among important regulators of these cellular processes ...
HER2 induced EMT and tumorigenicity in breast epithelial progenitor cells is inhibited by coexpression of EGFR

Ingthorsson, Saevar; Andersen, K; Hilmarsdóttir, Bylgja; Mælandsmo, Gunhild M; Magnusson, Magnus Karl; Gudjonsson, Thorarinn (Springer Nature, 2015-12-21)

The members of the epidermal growth factor receptor (EGFR) kinase family are important players in breast morphogenesis and cancer. EGFR2/HER2 and EGFR expression have a prognostic value in certain subtypes of breast cancer such as HER2-amplified, ...
Inhibition of PTP1B disrupts cell–cell adhesion and induces anoikis in breast epithelial cells

Hilmarsdóttir, Bylgja; Briem, Eiríkur; Halldórsson, Skarphéðinn; Kricker, Jennifer; Ingthorsson, Saevar; Gústafsdóttir, Sigrún; Mælandsmo, Gunhild M; Magnusson, Magnus Karl; Gudjonsson, Thorarinn (Springer Nature, 2017-05-11)

Protein tyrosine phosphatase 1B (PTP1B) is a well-known inhibitor of insulin signaling pathways and inhibitors against PTP1B are being developed as promising drug candidates for treatment of obesity. PTP1B has also been linked to breast cancer both as ...
Metabolic re-wiring of isogenic breast epithelial cell lines following epithelial to mesenchymal transition

Halldorsson, Skarphedinn; Rohatgi, Neha; Magnúsdóttir, Manuela; Choudhary, Kumari Sonal; Gudjonsson, Thorarinn; Knutsen, Erik; Barkovskaya, Anna; Hilmarsdóttir, Bylgja; Perander, Maria; Mælandsmo, Gunhild M.; Guðmundsson, Steinn; Rolfsson, Óttar (Elsevier BV, 2017-06)

Epithelial to mesenchymal transition (EMT) has implications in tumor progression and metastasis. Metabolic alterations have been described in cancer development but studies focused on the metabolic re-wiring that takes place during EMT are still limited. ...
MiR-203a is differentially expressed during branching morphogenesis and EMT in breast progenitor cells and is a repressor of peroxidasin

Briem, Eiríkur; Budkova, Zuzana; Sigurðardóttir, Anna Karen; Hilmarsdóttir, Bylgja; Kricker, Jennifer; Timp, Winston; Magnusson, Magnus Karl; Traustadottir, Gunnhildur Asta; Gudjonsson, Thorarinn (Elsevier BV, 2019-02)

MicroRNAs regulate developmental events such as branching morphogenesis, epithelial to mesenchymal transition (EMT) and its reverse process mesenchymal to epithelial transition (MET). In this study, we performed small RNA sequencing of a breast epithelial ...

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