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第46卷第1期                 邵燕婷,徐亭亭. 抑郁与胃食管反流病相关表型的遗传关联性分析[J].
                  2026年1月                      南京医科大学学报(自然科学版),2026,46(1):112-122                      · 117  ·


                层、食管黏膜层、外周血中鉴定出15、33、38、47个潜                      根据计算,最显著的易感基因为 NCSTN,可能是抑
                在易感基因,共计 92 个候选基因。整合多部位数                          郁作用于GERD的关键靶点(图3D)。
                据,其中在胃食管结合部、食管肌层、食管黏膜层和                           2.6  NERD候选基因的鉴定
                外周血共有 5 个易感基因(RP4⁃717I23.3、RAB7L1、                    运用SMR方法分别在胃食管结合部、食管肌层、
                BROX、TAF1B、RP11⁃95D17.1)(图3C)。GERD病理              食管黏膜层、外周血中鉴定出43、62、55、55个潜在易
                机制复杂,涉及食管黏膜屏障损伤及动力障碍,这                            感基因,共计128个候选基因。其中11个基因都位于
                些易感基因可能是 GERD 发病机制中的重要因素。                         胃食管结合部、食管肌层、食管黏膜层、外周血(GBP3、


                A                                                             B            GWAS and eQTL
                                    15                                            14
                                       14                                                   RPL31P12
                                                                                  12
                                                                                                      BTN3A2
                                                                                 (P)  -lg  10 8       LRFN5  KCNG2
                                                                                                      TMEM106B
                                   Intersection size                               6 4     1         3  C⁃498M16.4
                                    10
                                                                                                      ANKK1
                                                                                                            CD40
                                                                                                           14
                                     5                                                         Chromosome
                                         3
                A                         2 2     2                           C                     Gastroesophageal
                                            1  1  1  1  1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  Mucosa  junction
                               SN    0
                               ACC                                                              19     3
                               Hippocampus
                               Hypothalamus                                                    6    0    2
                               Amygdala
                               Putamen                                          RP4⁃717I23.3  12            32
                               SC                                                                2     0
                               CBG                                              RAB7L1
                               PFC                                              BROX
                               NAc                                                                  5
                               Cortex                                           TAF1B                    3
                               CH                                               RP11⁃95D17.1   3  0   3
                               Cerebella
                               Blood                                                                2
                                                                                     Muscularis             Blood
                  25 20 15 10 5 0
                      Set size
                D                                 E                               F
                          GWAS and eQTL                 Gastroesophageal                    GWAS and eQTL
                   6                                                                 4
                                NCSTN                      junction  Mucosa
                   5                                                                      MIEHI       SPATS2L
                   (P)  4                                   11  7  0  25  3          (P) 3                 A4BNT
                   -lg 3
                                        AC007246.3
                                                         15
                   2
                                                               9     0     31        -lg 2 1
                   1
                                                                  11
                   0                                         6         0             0
                            1          2                        1   5                      1      2     3
                           Chromosome               Muscularis    4         Blood            Chromosome
                                                                        GBP3
                                                                        METTL18
                                                                        SERPINC1
                                                                        ZNF496
                                                                        AC016683.6
                                                                        PAX8
                                                                        GLS
                                                                        LARS2
                                                                        NCKIPSD
                                                                        QRICH1
                                                                        AMT
                   A:A collection of potential susceptibility genes for depression in different brain regions. SN:substantia nigra;ACC:anterior cingulate cortex;
                SC:superior colliculus;CBG:caudate basal ganglia;PFC:prefrontal cortex;NAc:nucleus accumbens;CH:cerebellar hemisphere. B:SMR analy⁃
                sis results of depression and eQTL. The horizontal axis represents the chromosomal position of the gene probe,and the vertical axis represents the statis⁃
                tical test indicators of the SMR test. C:Collection of potential susceptibility genes for GERD in the gastroesophageal junction,esophageal muscular layer,
                esophageal mucosal layer,and peripheral blood(Venn diagram). D:SMR analysis results of GERD and eQTL. E:Collection of potential susceptible
                genes for NERD in the gastroesophageal junction,esophageal muscular layer,esophageal mucosal layer,and peripheral blood(Venn diagram). F:SMR
                analysis results of NERD and eQTL.
                                                 图3 抑郁、GERD、NERD的候选基因
                                         Figure 3  Candidate genes for depression,GERD and NERD
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