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Gene expression profiling and protein–protein interaction analysis reveals the dynamic role of MCM7 in Alzheimer's disorder and breast cancer

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Abstract

The interrelation of cancer and Alzheimer's disorder (AD)-associated molecular mechanisms, reported last decade, paved the path for drug discoveries. In this direction, while chemotherapy is well established for breast cancer (BC), the detection and targeted therapy for AD is not advanced due to a lack of recognized peripheral biomarkers. The present study aimed to find diagnostic and prognostic molecular signature markers common to both BC and AD for possible drug targeting and repurposing. For these disorders, two corresponding microarray datasets (GSE42568, GSE33000) were used for identifying the differentially expressed genes (DEGs), resulting in recognition of CD209 and MCM7 as the two common players. While the CD209 gene was upregulated in both disorders and has been studied vastly, the MCM7 gene showed a strikingly reverse pattern of expression level, downregulated in the case of BC while upregulated in the case of AD. Thus, the MCM7 gene was further analyzed for expression, predictions, and validations of its structure and protein–protein interaction (PPI) for the possible development of new treatment methods for AD. The study concluded with indicative drug repurposing studies to check the effect of existing clinically approved drugs for BC for rectifying the expression levels of the mutated MCM7 gene in AD.

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Acknowledgements

The authors extend gratitude toward the MHRD (Govt. of India) for the financial support to the first and second author.

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The authors declare that no funds, grants, or other financial support were received for the preparation of this manuscript.

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All authors contributed to the study conception and design. Experimental design, data collection, and analysis were performed by NS, SM, and MKS. The first draft of the manuscript was written by NS and completed with SM. All co-authors commented on the previous version of the manuscript for the revisions. Finally, all authors read and approved the manuscript for the revisions.

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Correspondence to Mahesh Kumar Sah.

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The authors have no relevant financial or non-financial interests to disclose.

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Sriram, N., Mukherjee, S. & Sah, M.K. Gene expression profiling and protein–protein interaction analysis reveals the dynamic role of MCM7 in Alzheimer's disorder and breast cancer. 3 Biotech 12, 146 (2022). https://doi.org/10.1007/s13205-022-03207-1

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  • DOI: https://doi.org/10.1007/s13205-022-03207-1

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