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Gene & Protein in Disease                                           Signatures construction strategies for TC




            Table 6. Repeatedly appeared prognostic genes of signatures were summarized
            Name        Full Name                   Frequency    Biological function            References
            CDKN2A      Cyclin Dependent Kinase Inhibitor   2    Cell circle regulation         Hu et al., 2020 [22]
                        2A                                                                      Wu et al., 2020 [38]
            FXYD6       FXYD Domain Containing Ion      2        Ion channel regulation and     Wu et al., 2019 [19]
                        Transport Regulator 6                    transmembrane transport        Wu et al., 2020 [38]
            CTGF        Connective Tissue Growth Factor  2       Promotion of proliferation and   Lin et al., 2019 [24]
                                                                 differentiation                Ren et al., 2021 [35]
            IGF2BP2     Recombinant Insulin Like Growth   2      RNA binding and translation regulation  Wang et al., 2020 [66]
                        Factor 2 mRNA Binding Protein 2                                         Ma et al., 2021 [30]
            FTO         Alpha-ketoglutarate-dependent   2        Mediation of different RNA oxidative   Hou et al., 2020 [49]
                        dioxygenase FTO                          demethylation                  Lin et al., 2021 [46]
            RBM15       RNA-Binding Protein 15          2        Mediation of m6A RNA methylation   Hou et al., 2020 [49]
                                                                                                Lin et al., 2021 [46]
            KIAA1429    Vir Like M6A Methyltransferase   2       Regulation of m6A methylation and   Hou et al., 2020 [49]
                        Associated                               modification of RNA processing  Lin et al., 2021 [46]
            AKR1C1      Aldo-Keto Reductase Family 1    2        Regulation of hormone metabolism and   Ge et al., 2021 [27]
                        Member C1                                catalytic reduction            Huang et al., 2021 [34]
            FN1         Fibronectin 1                   2        Cell adhesion and the binding of   Li et al., 2021 [27]
                                                                 compounds                      Ruchong et al., 2021 [36]
            FAM3B       FAM3 Metabolism Regulating      2        Cell apoptosis induction       Lin et al., 2019 [24]
                        Signaling Molecule B                                                    Qin et al., 2021 [25]
            TGFBR3      Transforming Growth Factor Beta   2      TGF-beta bind and capture      Wu et al., 2019 [19]
                        Receptor 3                                                              Qin et al., 2021 [25]
            HMGCR       3-Hydroxy-3-Methylglutaryl-CoA   2       Cellular cholesterol homeostasis   Ge et al., 2021 [27]
                        Reductase                                maintaining                    Qian et al., 2021 [31]
            GSS         Glutathione Synthetase          2        Glutathione biosynthesis       Ge et al., 2021 [27]
                                                                                                Qian et al., 2021 [31]
            TFRC        Transferrin Receptor            2        Mediation of the cellular uptake of iron  Ge et al., 2021 [27]
                                                                                                Qian et al., 2021 [31]
            DPP4        Dipeptidyl Peptidase 4          2        T-cell coactivation regulation  Ge et al., 2021 [27]
                                                                                                Qian et al., 2021 [31]
            PGD         Phosphogluconate Dehydrogenase  2        Catalysis of 6-phosphogluconate   Ge et al., 2021 [27]
                                                                 oxidative decarboxylation      Qian et al., 2021 [31]
            ADRA1B      Adrenoceptor Alpha 1B           2        Association with G proteins    Zhong et al., 2020 [40]
                                                                                                Xu et al., 2021 [39]
            PCOLCE2     Procollagen C-Endopeptidase     2        C-terminal propeptide bind     Zhong et al., 2020 [40]
                        Enhancer 2                                                              Xu et al., 2021 [39]
            Abbreviations: lncRNA: Long non-coding RNA; m6A: N6-methyladenosine

            et al. built a nomogram based on the verified prognostic   signatures. These repeatedly appeared genes were involved
            signatures and multivariate Cox proportional model.   in a wide range of biological functions, including immune-
            The  C-indexes  for  measuring  discrimination  and  the   related genes [24,25] , autophagy-related genes , m6A RNA
                                                                                                 [22]
            calibration plots for assessing accuracy were then used for   methylation regulators [48,49,66] , EMT-related genes ,
                                                                                                           [45]
            verification of the nomogram model . The elaborated   and ferroptosis-related genes [27,31] , playing pivotal roles
                                           [56]
            summary of nomograms is shown in Table 5. Some studies   in mediating the elaborate process and mechanism of
            also developed nomograms for prognostic assessment and   TC progression. The repetitions indicated that these
            clinical applications for TC patients [25,30,34,66] .  genes would be closely related to the occurrence and
                                                               development of TC, and also revealed that they might
            3.6. Genes overrepresented in prognostic signatures  have more robust prognostic abilities of TC patients. The

            Through collation and summary, we found 18 genes that   detailed information and data derived from studies are
            appeared repeatedly in previously reported prognostic   presented in Table 6.


            Volume 2 Issue 3 (2023)                         17                       https://doi.org/10.36922/gpd.1138
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