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Article

Aberrantly expressed mRNAs and long non-coding RNAs in patients with invasive ductal breast carcinoma: A pilot study

  • Authors:
    • Xuedong Chen
    • Jingyun Yang
    • Liyuan Qian
    • Tianzhu Cao
  • View Affiliations / Copyright

    Affiliations: Department of Breast and Thyroid Surgery, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, P.R. China, Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, IL 60612, USA
  • Pages: 2185-2190
    |
    Published online on: November 20, 2014
       https://doi.org/10.3892/mmr.2014.2989
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Abstract

Invasive ductal breast carcinoma (IDBC) is the most prevalent type of invasive breast cancer in females; however, the pathogenesis of IDBC remains to be elucidated. Therefore, the identification of novel markers may enhance current understanding of the initiation and development of IDBC as well as elucidate potential therapeutic targets for effective treatment of IDBC. In the present study, a pilot study was conducted to screen for potential mRNAs and long non‑coding (lnc)RNAs that exhibit aberrantly altered expression in patients with IDBC. Fresh breast cancer specimens and normal breast tissues were obtained from three female patients with IDBC aged ≥60 years following a modified radical mastectomy without chemotherapy. Expression levels of 44,244 probes were detected and included in the analysis, of which 22,078 (49.9%) were mRNAs and 22,166 (50.1%) were lncRNAs. Potential marker screening was performed using paired t‑tests (criterion 1), false discovery rates (FDR; criterion 2) and sure independence screening procedures based on distance correlations (DC‑SIS; criterion 3). The results showed that in IDBC tissues 3,510 probes had a ≥2‑fold statistically significant change in expression levels compared to those in the corresponding normal breast tissue (P<0.05); in addition, following FDR analysis, 353 probes were found to have significantly altered expression levels. Furthermore, DC‑SIS analysis identified 18 probes (12 mRNA and 6 lncRNAs) with significantly altered expression levels in IDBC tissue; these 18 probes therefore demonstrated significant results in all three criteria. Several of the mRNAs identified have been previously reported to be involved in signal transduction, protein binding, and cancer pathways, and the present study revealed that the majority of their gene products were located in the cytoplasm. Two of the six identified lncRNAs demonstrated a >10‑fold decrease in expression levels in IDBC tissues compared to that in the normal breast tissue. However, further studies are required in order to elucidate the biological functions of the identified probes.
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Copy and paste a formatted citation
Spandidos Publications style
Chen X, Yang J, Qian L and Cao T: Aberrantly expressed mRNAs and long non-coding RNAs in patients with invasive ductal breast carcinoma: A pilot study. Mol Med Rep 11: 2185-2190, 2015.
APA
Chen, X., Yang, J., Qian, L., & Cao, T. (2015). Aberrantly expressed mRNAs and long non-coding RNAs in patients with invasive ductal breast carcinoma: A pilot study. Molecular Medicine Reports, 11, 2185-2190. https://doi.org/10.3892/mmr.2014.2989
MLA
Chen, X., Yang, J., Qian, L., Cao, T."Aberrantly expressed mRNAs and long non-coding RNAs in patients with invasive ductal breast carcinoma: A pilot study". Molecular Medicine Reports 11.3 (2015): 2185-2190.
Chicago
Chen, X., Yang, J., Qian, L., Cao, T."Aberrantly expressed mRNAs and long non-coding RNAs in patients with invasive ductal breast carcinoma: A pilot study". Molecular Medicine Reports 11, no. 3 (2015): 2185-2190. https://doi.org/10.3892/mmr.2014.2989
Copy and paste a formatted citation
x
Spandidos Publications style
Chen X, Yang J, Qian L and Cao T: Aberrantly expressed mRNAs and long non-coding RNAs in patients with invasive ductal breast carcinoma: A pilot study. Mol Med Rep 11: 2185-2190, 2015.
APA
Chen, X., Yang, J., Qian, L., & Cao, T. (2015). Aberrantly expressed mRNAs and long non-coding RNAs in patients with invasive ductal breast carcinoma: A pilot study. Molecular Medicine Reports, 11, 2185-2190. https://doi.org/10.3892/mmr.2014.2989
MLA
Chen, X., Yang, J., Qian, L., Cao, T."Aberrantly expressed mRNAs and long non-coding RNAs in patients with invasive ductal breast carcinoma: A pilot study". Molecular Medicine Reports 11.3 (2015): 2185-2190.
Chicago
Chen, X., Yang, J., Qian, L., Cao, T."Aberrantly expressed mRNAs and long non-coding RNAs in patients with invasive ductal breast carcinoma: A pilot study". Molecular Medicine Reports 11, no. 3 (2015): 2185-2190. https://doi.org/10.3892/mmr.2014.2989
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