Abstract
Background
Non-coding RNAs (ncRNAs) have a crucial impact on diverse cellular processes, influencing the progression of breast cancer (BC). The objective of this study was to identify novel ncRNAs in BC with potential effects on patient survival and disease progression.
Methods
We utilized the cancer genome atlas data to identify ncRNAs associated with BC pathogenesis. We explored the association between these ncRNA expressions and survival rates. A risk model was developed using candidate ncRNA expression and beta coefficients obtained from a multivariate Cox regression analysis. Co-expression networks were constructed to determine potential relationships between these ncRNAs and molecular pathways. For validation, we employed BC samples and the RT-qPCR method.
Results
Our findings revealed a noteworthy increase in the expression of AC093850.2 and CHCHD2P9 in BC, which was correlated with a poor prognosis. In contrast, ADAMTS9-AS1 and ZNF204P displayed significant downregulation and were associated with a favorable prognosis. The risk model, incorporating these four ncRNAs, robustly predicted patient survival. The co-expression network showed an effective association between levels of AC093850.2, CHCHD2P9, ADAMTS9-AS1, and ZNF204P and genes involved in pathways like metastasis, angiogenesis, metabolism, and DNA repair. The RT-qPCR results verified notable alterations in the expression of CHCHD2P9 and ZNF204P in BC samples. Pan-cancer analyses revealed alterations in the expression of these two ncRNAs across various cancer types.
Conclusion
This study presents a groundbreaking discovery, highlighting the substantial dysregulation of CHCHD2P9 and ZNF204P in BC and other cancers, with implications for patient survival.
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Data availability
No datasets were generated or analysed during the current study.
Abbreviations
- ncRNAs:
-
non-coding RNAs
- BC:
-
breast cancer
- lncRNAs:
-
long non-coding RNAs
- TCGA:
-
the cancer genome atlas
- K-M:
-
Kaplan-Meier
- ROC:
-
receiver operating characteristic
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Acknowledgements
Thanks to Genius Gene center for assisting in laboratory work and data analysis.
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The study design was performed by H.S. and A.D. Data analysis and experiments were done by M.R. Interpretations of data were performed by M.R. and A.D. Bioinformatics analysis was performed by M.R. Manuscript writing was performed by M.R. The manuscript was finally approved by M.R., H.S. and A.D.
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Ethics approval was obtained from the Research Ethics Committees of Islamic Azad University with Ethical approval number; IR.IAU.SHK.REC.1401.091. All experiments were performed in accordance with relevant guidelines and regulations. Informed consent was obtained from all the donors prior to the collection of samples.
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Rastegari, M., Sazegar, H. & Doosti, A. Prognostic significance of CHCHD2P9 and ZNF204P in breast cancer: exploring their expression patterns and associations with malignancy-related genes. Mol Biol Rep 51, 707 (2024). https://doi.org/10.1007/s11033-024-09643-x
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DOI: https://doi.org/10.1007/s11033-024-09643-x