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Gene & Protein in Disease                                      A pyroptosis-related gene signature in myeloma




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            Figure 3. Construction of an independent prognostic model with a 9-gene set in the training cohort. (A and B) Construction of the LASSO regression
            model based on the preliminary 20 PRGs. (C and D) The risk scores and survival status of the 9 genes in the two risk groups, divided based on the median
            risk score derived from the LASSO regression analysis. (E and F) The univariate Cox analysis and multivariate Cox analysis to assess the independence of
            risk score. (G) The expression profile of the progostic risk genes in the model construction.
            Abbreviation: PRGs: Pyroptosis-related genes.

            confirm that the 9-PRG signature set could be used for risk   analysis (Figure  6A-E). Furthermore, we developed a
            stratification in MM patients.                     novel prognostic tool that combined the calculated risk
                                                               scores with gender and disease stage, and the prognostic
            3.5. Assessment of the prognostic signature for    chart effectively predicted survival rate for MM patients
            patient segmentation                               (Figure  6F).  Therefore,  the  above  overall  analyses  have
            The above studies have shown that the 9-PRG set could   collectively demonstrated the 9-PRG signature set could
            be used to identify the high-risk MM patients. To   be used to effectively distinguish between the different risk
            further estimate the capacity of this gene signature set   groups of MM patients.
            in identification of high-risk MM patients, we examined
            overall survival rate in relation to clinical settings,   3.6. Immune activity between the two subgroups
            including gender and disease stages. The correlation   Given the strong association between pyroptosis and tumor
            analysis showed that, regardless of gender or disease stages,   immunity, as well as the impact of tumor microenvironment
            the patients categorized as high-risk consistently had   including immune cells on MM cells grown in bone
            lower survival probabilities, as revealed by K–M survival   marrow, we postulated that the gene signature set may play


            Volume 3 Issue 4 (2024)                         8                               doi: 10.36922/gpd.4534
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