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• W4387335391 abstract "Abstract Pancreatic ductal adenocarcinoma (PDAC) is associated with a very poor prognosis. Therefore, there has been a focus on identifying new biomarkers for its early diagnosis and the prediction of patient survival. Genome-wide RNA and microRNA sequencing, bioinformatics and Machine Learning approaches to identify differentially expressed genes (DEGs), followed by validation in an additional cohort of PDAC patients has been undertaken. To identify DEGs, genome RNA sequencing and clinical data from pancreatic cancer patients were extracted from The Cancer Genome Atlas Database (TCGA). We used Kaplan–Meier analysis of survival curves was used to assess prognostic biomarkers. Ensemble learning, Random Forest (RF), Max Voting, Adaboost, Gradient boosting machines (GBM), and Extreme Gradient Boosting (XGB) techniques were used, and Gradient boosting machines (GBM) were selected with 100% accuracy for analysis. Moreover, protein–protein interaction (PPI), molecular pathways, concomitant expression of DEGs, and correlations between DEGs and clinical data were analyzed. We have evaluated candidate genes, miRNAs, and a combination of these obtained from machine learning algorithms and survival analysis. The results of Machine learning identified 23 genes with negative regulation, five genes with positive regulation, seven microRNAs with negative regulation, and 20 microRNAs with positive regulation in PDAC. Key genes BMF , FRMD4A , ADAP2 , PPP1R17 , and CACNG3 had the highest coefficient in the advanced stages of the disease. In addition, the survival analysis showed decreased expression of hsa.miR.642a , hsa.mir.363 , CD22 , BTNL9 , and CTSW and overexpression of hsa.miR.153.1 , hsa.miR.539 , hsa.miR.412 reduced survival rate. CTSW was identified as a novel genetic marker and this was validated using RT-PCR. Machine learning algorithms may be used to Identify key dysregulated genes/miRNAs involved in the disease pathogenesis can be used to detect patients in earlier stages. Our data also demonstrated the prognostic and diagnostic value of CTSW in PDAC." @default.
• W4387335391 created "2023-10-05" @default.
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• W4387335391 date "2023-10-04" @default.
• W4387335391 modified "2023-10-07" @default.
• W4387335391 title "Down regulation of Cathepsin W is associated with poor prognosis in pancreatic cancer" @default.
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• W4387335391 doi "https://doi.org/10.1038/s41598-023-42928-y" @default.
• W4387335391 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37794108" @default.
• W4387335391 hasPublicationYear "2023" @default.
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