Profiling the Expression Of pro-metastatic Genes in Association with the Clinicopathological Features of Primary Breast Cancer

Overview

Journal Cancer Cell Int

Publisher Biomed Central

Date 2021 Jan 7

PMID 33407452

Citations 1

Authors

Seyed-Mohammad Mazloomi

Mitra Foroutan-Ghaznavi

Vahid Montazeri

Gholamreza Tavoosidana

Ashraf Fakhrjou

Hojjatollah Nozad-Charoudeh

Saeed Pirouzpanah

Affiliations

Soon will be listed here.

Abstract

Background: Metastasis accounts for ninety percent of breast cancer (BrCa) mortality. Cortactin, Ras homologous gene family member A (RhoA), and Rho-associated kinase (ROCK) raise cellular motility in favor of metastasis. Claudins (CLDN) belong to tight junction integrity and are dysregulated in BrCa. Thus far, epidemiologic evidence regarding the association of different pro-metastatic genes with pathological phenotypes of BrCa is largely inconsistent. This study aimed to determine the possible transcriptional models of pro-metastatic genes incorporate in holding the integrity of epithelial cell-cell junctions (CTTN, RhoA, ROCK, CLDN-1, CLDN-2, and CLDN-4), for the first time, in association with clinicopathological features of primary BrCa.

Methods: In a consecutive case-series design, 206 newly diagnosed non-metastatic eligible BrCa patients with histopathological confirmation (30-65 years) were recruited in Tabriz, Iran (2015-2017). Real-time RT-PCR was used. Then fold changes in the expression of target genes were measured.

Results: ROCK amplification was associated with the involvement of axillary lymph node metastasis (ALNM; OR = 3.05, 95%CI 1.01-9.18). Consistently, inter-correlations of CTTN-ROCK (β = 0.226, P < 0.05) and RhoA-ROCK (β = 0.311, P < 0.01) were determined among patients diagnosed with ALNM BrCa. In addition, the overexpression of CLDN-4 was frequently observed in tumors identified by ALNM or grade III (P < 0.05). The overexpression of CTTN, CLDN-1, and CLDN-4 genes was correlated positively with the extent of tumor size. CTTN overexpression was associated with the increased chance of luminal-A positivity vs. non-luminal-A (OR = 1.96, 95%CI 1.02-3.77). ROCK was also expressed in luminal-B BrCa tumors (P < 0.05). The estrogen receptor-dependent transcriptions were extended to the inter-correlations of RhoA-ROCK (β = 0.280, P < 0.01), ROCK-CLDN-2 (β = 0.267, P < 0.05), and CLDN-1-CLDN-4 (β = 0.451, P < 0.001).

Conclusions: For the first time, our findings suggested that the inter-correlations of CTTN-ROCK and RhoA-ROCK were significant transcriptional profiles determined in association with ALNM involvement; therefore the overexpression of ROCK may serve as a potential molecular marker for lymphatic metastasis. The provided binary transcriptional profiles need more approvals in different clinical features of BrCa metastasis.

Citing Articles

Dietary patterns in association with the expression of pro-metastatic genes in primary breast cancer.

Foroutan-Ghaznavi M, Mazloomi S, Montazeri V, Pirouzpanah S Eur J Nutr. 2022; 61(6):3267-3284.

PMID: 35484415 DOI: 10.1007/s00394-022-02884-1.

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