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- W4200328824 abstract "Dissemination of breast cancer (BC) cells through the hematogenous or lymphogenous vessels leads to metastatic disease in one-third of BC patients. Therefore, we investigated the new prognostic features for invasion and metastasis.We evaluated the expression of miRNAs and epithelial-to-mesenchymal transition (EMT) genes in relation to CDH1/E-cadherin changes in samples from 31 patients with invasive ductal BC including tumor centrum (TU-C), tumor invasive front (TU-IF), lymph node metastasis (LNM), and CD45-depleted blood (CD45-DB). Expression of miRNA and mRNA was quantified by RT-PCR arrays and associations with clinico-pathological characteristics were statistically evaluated by univariate and multivariate analysis.We did not verify CDH1 regulating associations previously described in cell lines. However, we did detect extremely high ZEB1 expression in LNMs from patients with distant metastasis, but without regulation by miR-205-5p. Considering the ZEB1 functions, this overexpression indicates enhancement of metastatic potential of lymphogenously disseminated BC cells. In CD45-DB samples, downregulated miR-205-5p was found in those expressing epithelial and/or mesenchymal markers (CTC+) that could contribute to insusceptibility and survival of hematogenously disseminated BC cells mediated by increased expression of several targets including ZEB1.miR-205-5p and potentially ZEB1 gene are promising candidates for markers of metastatic potential in ductal BC." @default.
- W4200328824 created "2021-12-31" @default.
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- W4200328824 date "2021-12-22" @default.
- W4200328824 modified "2023-10-14" @default.
- W4200328824 title "miR-205-5p Downregulation and ZEB1 Upregulation Characterize the Disseminated Tumor Cells in Patients with Invasive Ductal Breast Cancer" @default.
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- W4200328824 doi "https://doi.org/10.3390/ijms23010103" @default.
- W4200328824 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/35008529" @default.
- W4200328824 hasPublicationYear "2021" @default.
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