In silico study for decoding the correlated role of MCM7 gene in progression of breast cancer and Alzheimer’s disorder

ABSTRACT Breast cancer and Alzheimer’s disease (AD) are two of the progressive and detrimental disorders affecting large population around the globe. While the chemotherapy of breast cancer is well established and enriched, the AD still lacks it due to unrecognized peripheral biomarkers for detection and targeted therapy. This study aimed to identify common molecular signature markers in breast cancer (grade 1, 2, and 3) and AD for the diagnosis and prognosis. We used two microarray datasets (GSE42568, GSE33000) respectively for both disorders that led to identification of two common differentially expressed genes (DEGs), namely MCM7 and CD209, as common players in both these two conditions. While the pattern of expression of CD209 gene running upregulated in both disorders, the MCM7 showed unusual contrary in its pattern of expression. The expression of MCM7 is downregulated in breast cancer but upregulated in AD. Gene set and protein overrepresentation analysis, protein-protein interaction (PPI), and protein subcellular localizations analyses of this underrated MCM7 gene was performed with further prediction and validation of its structure. The findings may pave the way in designing therapeutic approaches to ameliorate AD.