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Cellular Expression of Cyclooxygenase, Aromatase, Adipokines, Inflammation and Cell Proliferation Markers in Breast Cancer Specimen
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences. Univ Auvergne, Univ Clermont Ferrand 2, UMR 1019, CRNH Auvergne,Unite Nutr Humaine, F-63000 Clermont Ferrand, France..
Univ Auvergne, Univ Clermont Ferrand 2, UMR 1019, CRNH Auvergne,Unite Nutr Humaine, F-63000 Clermont Ferrand, France..
Ctr Jean Perrin, F-63000 Clermont Ferrand, France..
Univ Auvergne, Univ Clermont Ferrand 2, UMR 1019, CRNH Auvergne,Unite Nutr Humaine, F-63000 Clermont Ferrand, France..
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2015 (English)In: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 10, no 10, e0138443Article in journal (Refereed) Published
Abstract [en]

Current evidences suggest that expression of Ki67, cyclooxygenase (COX), aromatase, adipokines, prostaglandins, free radicals, beta-catenin and alpha-SMA might be involved in breast cancer pathogenesis. The main objective of this study was to compare expression/localization of these potential compounds in breast cancer tissues with tissues collected adjacent to the tumor using immunohistochemistry and correlated with clinical pathology. The breast cancer specimens were collected from 30 women aged between 49 and 89 years who underwent breast surgery following cancer diagnosis. Expression levels of molecules by different stainings were graded as a score on a scale based upon staining intensity and proportion of positive cells/area or individually. AdipoR1, adiponectin, Ob-R, leptin, COX-1, COX-2, aromatase, PGF(2a), F-2-isoprostanes and alpha-SMA were localised on higher levels in the breast tissues adjacent to the tumor compared to tumor specimens when considering either score or staining area whereas COX-2 and AdipoR2 were found to be higher considering staining intensity and Ki67 on score level in the tumor tissue. There was no significant difference observed on beta-catenin either on score nor on staining area and intensity between tissues adjacent to the tumor and tumor tissues. A positive correlation was found between COX-1 and COX-2 in the tumor tissues. In conclusion, these suggest that Ki67, COXs, aromatase, prostaglandin, free radicals, adipokines, beta-catenin and alpha-SMA are involved in breast cancer. These further focus the need of examination of tissues adjacent to tumor, tumor itself and compare them with normal or benign breast tissues for a better understanding of breast cancer pathology and future evaluation of therapeutic benefit.

Place, publisher, year, edition, pages
2015. Vol. 10, no 10, e0138443
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Cancer and Oncology
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URN: urn:nbn:se:uu:diva-265677DOI: 10.1371/journal.pone.0138443ISI: 000362178700013PubMedID: 26431176OAI: oai:DiVA.org:uu-265677DiVA: diva2:866943
Available from: 2015-11-04 Created: 2015-11-02 Last updated: 2017-12-01Bibliographically approved

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Basu, Samar

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