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第44卷第6期
               ·772 ·                            南 京    医 科 大 学 学         报                        2024年6月


              差异有统计学意义(图2F)。                                    于 TCGA 数据库中分析了 TCEAL7 在其他类型肿瘤
                  为了进一步研究该基因在泛癌中的作用,还基                          中的表达与预后的关系。结果显示,在大多数肿

                  A                            B   0.8                       C       High mRNAsi  Low mRNAsi
                    | 300              Down        0.6     P < 0.001             1.00
                    (P⁃value)  200     Non        mRNAsi  0.4                   Survival probability  0.75

                                       Up
                                                                                 0.50
                    |lg  100                       0.2                           0.25
                       0                                                             P < 0.001
                                                    0
                           -5  0   5                  Normal tissue Tumor          0
                          log2 (fold change)                                         0  25  50  75 100 125
                                                                                          Time(months)
                  D                            E                             F
                                  P < 0.001        8                                 High TCEAL7  Low TCEAL7
                     0.6                                  P < 0.001
                                  r=-0.84                                       1.00
                     0.5                           6                            0.75
                    mRNAsi  0.4                   TCEAL7  4                     Survival probability  0.50
                     0.3
                     0.2
                                                   2
                     0.1                                                        0.25  P=0.003
                      0                            0                              0
                        0  1   2  3   4  5            Normal tissue Tumor
                                                                                     0  25  50  75 100 125
                              TCEAL7
                                                                                         Time(months)
                 A:The volcano plot showed that 1 672 DEGs were upregulated,while 3 744 DEGs were downregulated. B,E:The difference in mRNAsi(B)and
              TCEAL7(E)levels between normal tissues and tumors,respectively. C,F:The Kaplan⁃Meier survival analysis showed a notable difference in OS be⁃
              tween the high and low mRNAsi(C)or TCEAL7(F)level groups. D:Pearson correlation analysis illustrated TCEAL7 had a negative correlation with
              mRNAsi.
                                      图2 DEG的筛选,mRNAsi和TCEAL7表达水平及生存分析
                          Figure 2 Screening of DEG,expression level and survival analysis of mRNAsi and TCEAL7

               A                                               B
                                    Cluster dendrogram                            Module⁃trait relationships
                     1.0
                                                                                  0.047        0.027
                                                                    Magenta
                     0.9                                                         (0.4)        (0.6)        1
                                                                                 -0.044
                                                                                              -0.056
                     0.8                                              Red        (0.4)        (0.3)
                    Height  0.7                                                   0.15         0.11
                     0.6                                           Turquoise    (0.004)      (0.03)
                                                                                                           0.5
                     0.5                                                           0.7         0.46
                                                                     Brown
                                                                                (2e⁃55)      (3e⁃20)
                     0.4
                                                                                  0.38         0.26
                                                                     Yellow     (6e⁃14)      (8e⁃07)
                Module colors
                                                                                  -0.19        -0.17
                                                                     Green                                 0
                 C                                                              (2e⁃04)      (0.001)
                            r=0.89,P=2.4e⁃173                         Blue      (6e⁃79)      (5e⁃16)
                                                                                               -0.41
                                                                                  -0.79
                    Gene significance for mRNAsi  0.6                Purple     (1e⁃26)      (3e⁃06)       -0.5
                     0.8
                                                                                  -0.52
                                                                                              -0.052
                     0.7
                                                                                              (0.3)
                                                                                               -0.24
                                                                                  -0.39
                                                                     Black
                     0.5
                                                                                (2e⁃14)
                     0.4
                                                                                               -0.24
                                                                                  -0.64
                                                                      Pink
                                                                                (4e⁃43)
                                                                                             (4e⁃06)
                     0.3
                                                                                  0.032
                                                                                               0.21
                     0.2
                                                                                             (6e⁃05)
                     0.1
                        0.3 0.4 0.5 0.6 0.7 0.8 0.9                   Grey       (0.5)      EREG⁃mRNAsi    -1
                                                                                 mRNAsi
                       Module membership in blue module
                 A:The clustering analysis validated eleven various modules,with each color module presenting the same gene expression pattern. B:The green,
              blue,purple,black,and pink modules were correlated negatively with mRNAsi,and turquoise,brown and yellow modules were positively correlated with
              mRNAsi. C:Scatter plot analysis of blue modules.
                                                 图3 DEG的加权共表达网络分析
                                 Figure 3  Weighted gene co⁃expression network analysis(WGCNA)of DEG
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