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Global Translational Medicine                                       Game-changing drug response prediction



            likely depend on the effective combination of real-world   individually detect and identify actionable biomarkers to
            real-time data with learned representations and carefully   benefit only the responders. The urgent need now is for a
            selected manual features. It is, therefore, crucial to harness   trainable platform that can quickly and accurately predict
            the potential of deep learning-based models before   drug efficacy for those patient non-responders who have
            conducting clinical studies.                       been excluded from precision medicine.

              In summary, deep-learning models often function    PGA technology is the world-first gene-to-drug
            as black-box models, needing more human interfaces,   platform,  offering high-value-added diagnostic and
            which make decision-making challenging. It is hard to fix   therapeutic solutions.  For drug response prediction, PGA
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            variations in biology that show high-degree of heterogeneity   combines the high-resolution cell-free messenger RNA
            between  patients,  tumors,  and  their  microenvironment.   (mRNA) profiling with gene expression mapping dedicated
            Future researches should incorporate strategies for   to identify a patient-unique signature. Based on this in vitro
            enhancing their generalizability and interpretability.  configuration, combining  in silico digital curation, data
                                                               fusion, and computation ensures accurate identification
            7. A gene-to-drug renaissance                      of potential hits (after screening of more than 700 Food
            Precision oncology is the use of omics data to tailor   and Drug Administration-approved, clinical trial, and
            therapy for an individual cancer patient; however, only   investigational drugs). This unprecedented combination of
            10% of patients actually benefit from precision therapy   in vitro and in silico approaches allows PGA to effectively
            today. 18,19  Improving drug response prediction in the rest   map and identify effective drugs at the individual patient
            90% non-responders will significantly benefit many more   level, providing a significant boost to improve treatment
            cancer  patients. It is no longer viable for companies  to   outcome in precision oncology, especially for those patients
            load up their instruments with bespoke capabilities that   with limited treatment options (Figure 3).








































            Figure 3. Overview of PGA data acquisition, fusion, transformation, and translation analyses. Prospective and retrospective gene expression data from
            various cohorts of cell lines, single-cell transcriptomics, primary tumors, and real-world patients were analyzed to identify clinically relevant, cancer
            type-specific, and patient-derived signatures. The unique signature was further used for in silico drug screening and mapping to identify top-ranking
            anticancer drugs which the patient will most likely respond to.
            Abbreviation: PGA: Patient-derived gene expression-informed anticancer drug efficacy.


            Volume 4 Issue 2 (2025)                         8                               doi: 10.36922/gtm.5091
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