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EDIL3 promotes epit...
EDIL3 promotes epithelial-mesenchymal transition and paclitaxel resistance through its interaction with integrin αVβ3 in cancer cells
- Article/chapterEnglish2020
Publisher, publication year, extent ...
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2020-09-16
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Springer Science and Business Media LLC,2020
Numbers
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LIBRIS-ID:oai:prod.swepub.kib.ki.se:144689124
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http://kipublications.ki.se/Default.aspx?queryparsed=id:144689124URI
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https://doi.org/10.1038/s41420-020-00322-xDOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Epithelial–mesenchymal transition (EMT) has recently been associated with tumor progression, metastasis, and chemotherapy resistance in several tumor types. We performed a differential gene expression analysis comparing paclitaxel-resistant vs. paclitaxel-sensitive breast cancer cells that showed the upregulation of EDIL3 (EGF Like Repeats and Discoidin I Like Domains Protein 3). This gene codifies an extracellular matrix protein that has been identified as a novel regulator of EMT, so we studied its role in tumor progression and paclitaxel response. Our results demonstrated that EDIL3 expression levels were increased in paclitaxel-resistant breast and prostate cancer cells, and in subsets of high-grade breast and prostate tumors. Moreover, we observed that EDIL3 modulated the expression of EMT markers and this was impaired by cilengitide, which blocks the EDIL3–integrin αVβ3 interaction. EDIL3 knockdown reverted EMT and sensitized cells to paclitaxel. In contrast, EDIL3 overexpression or the culture of cells in the presence of EDIL3-enriched medium induced EMT and paclitaxel resistance. Adding cilengitide resensitized these cells to paclitaxel treatment. In summary, EDIL3 may contribute to EMT and paclitaxel resistance through autocrine or paracrine signaling in cancer cells. Blockade of EDIL3–integrin αVβ3 interaction by cilengitide restores sensitivity to paclitaxel and reverts EMT in paclitaxel-resistant cancer cells. Combinations of cilengitide and taxanes could be beneficial in the treatment of subsets of breast and prostate cancers.
Added entries (persons, corporate bodies, meetings, titles ...)
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Flores, ML
(author)
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Jimenez-Guerrero, R
(author)
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Saez, ME
(author)
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Barragan, IKarolinska Institutet
(author)
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Ruiz-Borrego, M
(author)
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Tortolero, M
(author)
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Romero, F
(author)
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Saez, C
(author)
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Japon, MA
(author)
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Karolinska Institutet
(creator_code:org_t)
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