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Int. J. Mol. Sci. 2018, 19(12), 3941; https://doi.org/10.3390/ijms19123941

Biological Aggressiveness of Subclinical No-Mass Ductal Carcinoma In Situ (DCIS) Can Be Reflected by the Expression Profiles of Epithelial-Mesenchymal Transition Triggers

1
Breast Unit, Department of Surgical Oncology, Lower Silesia Oncology Center, 53-413 Wroclaw, Poland
2
Department of Oncology, Faculty of Postgraduate Medical Training, Wroclaw Medical University, 53-413 Wroclaw, Poland
3
Department of Breast Imaging, Lower Silesia Oncology Center, 53-413 Wroclaw, Poland
4
Department of Pathomorphology and Oncological Cytology, Wroclaw Medical University, 53-413 Wroclaw, Poland
5
Faculty of Mathematics and Information Science, Warsaw University of Technology, 00-662 Warsaw, Poland
*
Author to whom correspondence should be addressed.
Received: 14 November 2018 / Revised: 3 December 2018 / Accepted: 6 December 2018 / Published: 7 December 2018
(This article belongs to the Special Issue Epithelial-Mesenchymal Transition (EMT))
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Abstract

Epithelial-mesenchymal transitions (EMTs) have been recently implicated in the process of cancer progression. The aim of this study was to assess how the preoperative expression patterns of EMT biomarkers correlate with the risk of postoperative invasion in ductal carcinoma in situ (DCIS) found on stereotactic breast biopsies. N-cadherin, Snail1, and secreted protein acidic and rich in cysteine (SPARC) immunoreactivity was observed in 8%, 62%, and 38% of tumors, respectively. Snail1 and SPARC expressions were significantly related to N-cadherin expression and to each other. The postoperative upgrading rate was associated with a positive preoperative expression of all biomarkers. Significance of Snail1 and SPARC persisted in multivariate analysis, but the impact of SPARC on invasion was more significant. When these two EMT triggers were considered together, the risk of invasion did not significantly differ between the subtypes of DCIS with single positive expression (SPARC−/Snail1+ vs. SPARC+/Snail1−). However, it was significantly lower in single-positive DCIS when compared to lesions of a double-positive profile (SPARC+/Snail1+). Moreover, there were no cases in the double-negative DCIS (SPARC−/Snail1−), with foci of infiltrating cancer found postoperatively in residual postbiopsy lesions. In contrast, DCIS with a combined high SPARC and Snail1 expression (intermediate or strong) had an invasive component in 66–100% of tumors. View Full-Text
Keywords: ductal carcinoma in situ; epithelial-mesenchymal transition; N-cadherin; SPARC; Snail1 ductal carcinoma in situ; epithelial-mesenchymal transition; N-cadherin; SPARC; Snail1
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Szynglarewicz, B.; Kasprzak, P.; Donizy, P.; Biecek, P.; Halon, A.; Matkowski, R. Biological Aggressiveness of Subclinical No-Mass Ductal Carcinoma In Situ (DCIS) Can Be Reflected by the Expression Profiles of Epithelial-Mesenchymal Transition Triggers. Int. J. Mol. Sci. 2018, 19, 3941.

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