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Gene & Protein in Disease                                        Pyroptosis-related LncRNAs in pediatric AML




            A                                 B                             C













            D                               E                              F








            G                               H                              I









            Figure 4. Construction of the prognostic signature of differentially expressed PR-lncRNAs in the training set. (A) Differentially expressed PR-lncRNAs
            among the three clusters. (B) Result of least absolute shrinkage and selection operator (LASSO) regression. (C) Multivariate Cox regression was performed.
            (D–I) Ranked dot and scatter plots showing the signature distribution and patient survival status: (D, G) in all sets; (E, H) in the training set; and (F, I) in
            the testing set.


            Table 2. Seven lncRNAs obtained by multi‑Cox regression.  midostaurin, nilotinib, and thapsigargin, were significantly
                                                               lower in low-risk patients. However, we were unable to
             LncRNA      Coef   HR   HR.95L  HR.95H    P       demonstrate a similar difference with cytarabine.
            AP001318.1   0.224  1.251  1.068  1.465   0.0054
            SNHG29       −0.002  0.998  0.997  1.000  0.0131   3.6. Relationship between risk score and
            AC127496.5   0.230  1.259  1.135  1.397   0.0000   microsatellite instability
            ASB16-AS1    0.061  1.062  1.002  1.126   0.0417   MSI is strongly associated with the risk score. As shown in
            AC007216.3   0.084  1.087  1.031  1.147   0.0021   Figure  9I–J, the low-risk group had a high proportion of
            AL157871.6   −0.013  0.987  0.975  0.999  0.0373   MSI-H (high microsatellite instability) at 44%, and the average
            TRAF3IP2-AS1  −0.103  0.902  0.822  0.989  0.0288  risk score of the patients in the MSI-H group was significantly
            Coef: Coefficient, HR: Hazard ratio, HR.95L: Lower limit of the 95%   higher than that in the MSI-L/MSS (low microsatellite
            confidence interval, HR.95H: Higher limit of the 95% confidence   instability or microsatellite stability) group (P < 0.001).
            interval
                                                               3.7. Discovery of molecular functions and pathways
                                                               To explore the biological functions and signaling pathways
            3.5. Drug susceptibility analysis                  of the DEGs between the two groups, GO and KEGG were
            Eight chemotherapy drugs that are commonly used to   used. The DEGs between the two groups were identified
            treat AML were selected to evaluate the sensitivities of the   according to the following criteria: log2| FC| > 1 and
            pediatric AML samples in both the groups to these drugs   FDR < 0.05. The GO analysis that was performed included
            (Figure 9A–H). The results showed that the half maximal   biological  process (BP), molecular  function (MF), and
            inhibitory concentration (IC50) values of the majority of   cell component (CC). The results of these three parts are
            these drugs, including axitinib, bleomycin, lenalidomide,   presented in Figure 10A, indicating that tumor immunity



            Volume 2 Issue 1 (2023)                         8                      https://doi.org/10.36922/gpd.v2i1.230
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