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第41卷第6期             袁   逸,戴程婷,李一卉,等. 大宫内发育迟缓新生小鼠胰腺发育转录组分析[J].
                  2021年6月                     南京医科大学学报(自然科学版),2021,41(06):785-795                       ·791 ·


                A                                            B
                        Systemic lupus erythematosus              1 230                                      up
                                 Alcoholism                        984                                       down
                   Transoriptional misregulation in cancers
                             Viral carcinogenesis                Num of Genes  738
                                  Cell cycle
                                 Spliceosome         GeneNumber    492
                                                       10
                            p53 signaling pathway                  246
                                                       20
                               DNA replication         30
                           FoxO signaling pathway      40           0  behavior  cell aggregation cell killing cellular process detoxification  growth  localization locomotion  reproduction  rhythmic process signaling  cell junction cell  cell part  membrane membrane part  nucleoid organelle organelle part other organism  synapse synapse part  virion virion part catalytic activity catalytic activity  protein tag
                                                                                                        transcription factor activity, protein binding
                                                                                                   binding
                                                                                      extracellular matrix component
                                                                                                     nucleic acid binding transcnption factor activity
                                                                                                     molecular function regulater
                                                                              multiceilular organismal process
                                                                      cellular component organization of biogenesis
                                                                             metabolic process
                                                                             multi⁃organism process
                  Pathway  Dorso⁃ventral axis formation  QValue      biological adhesion biological regulation  developmental process immune system process presynaptic process invoived in synaptic transmission reproductive process response to stimulus single⁃organism process  extracellular matrix extracellular region extracellular region part macromolecular complex membrane⁃enclosed lumen  other organism part supramolecular fiber  chemoatlractart activity electron carrier activity molecular
                                                       50
                            MicroRNAs in cancer
                                   Malaria
                                                       0.075
                         mRNA surveillance pathway
                                                       0.050
                           Proteoglycans in cancer
                                                       0.025        Biological Process  Cellular Component  Molecular Function
                             Steroid biosynthesis
                    Cytokine⁃cytokine receptor interaction
                          Hematopoietic cell lineage
                     Central carbon metabolism in cancer
                               Oocyte meiosis
                         PI3K⁃Akt signaling pathway
                                       0.05 0.10 0.15 0.20
                                          Rich Factor
                   A:差异表达mRNA的KEEG富集分析图,图中纵轴表示通路名称,横轴表示富集指数,富集指数越大,表示富集程度越大,点的大小表示
                富集在此通路中差异表达的基因个数,点的颜色代表不同的P值;B:差异表达mRNA的GO富集分析图,GO富集分析中横轴表示GO富集条
                目,纵轴表示基因数。
                                     图5 IUGR、正常新生小鼠差异表达mRNAs KEEG和GO富集分析图
                               Figure 5 The KEEG and GO enrichment analysis of differentially expressed mRNAs
                                            Epb41l3⁃216  D030028A08Rik⁃203  Nfkb2⁃204  Acss1⁃201
                                                            Sp2⁃203
                                        2410021H03Rik⁃201               4833438C02Rik⁃201 E130215H24Rik⁃201
                                                                D030028A08Rik⁃201
                                        Epb41l3⁃215
                                        Tiparp⁃201  Rap1gap⁃201  4931406P16Rik⁃202  Colca2⁃202  Tcf21⁃201  Fyn⁃206



                                      4931440P22Rik⁃201 Rap1gapos⁃201  Gm12758⁃201  2010007H06Rik⁃202 Gm10824⁃201  Gm16364⁃205

                                        Sun2⁃201  Abca3⁃203



                                       Gm16575⁃201  D330041H03Rik⁃205
                                           图6 差异LncRNA与差异mRNA的 Antisense作用图
                                  Figure 6 The Antisense between differentially expressed LncRNA and mRNA


                量异常的具体机制目前仍不明确。本研究通过高                             的增殖和纤维化,加速糖尿病肾病进程 。LncRNA
                                                                                                    [15]
                通量测序对 IUGR 的转录组进行分析,旨在探究                          MALAT1 通过抑制 microRNA let⁃7f、激活 KLF5 促进
                LncRNA 在 IUGR 胰岛发育及成年发生 2 型糖尿病                    肾足突细胞损伤,加重糖尿病肾病                [16] 。在人 和小
                                                                                                          [9]
                中的作用。                                             鼠 [10] 中均发现 LncRNA 可能参与胰腺发育和胰岛β
                    随着 RNA 组学的发展,LncRNA 被认为是参与                    细胞分化。LncRNA MEG3在人、小鼠中具有高度同
                胰岛发育、糖尿病及其并发症以及 IUGR 发病过程                         源性,全基因组关联研究(GAWS)发现 MEG3 是与
                中的新型调节因子。H19 下调导致 IUGR 胎盘绒毛                       糖尿病易感性相关的LncRNA,在2型糖尿病患者胰
                                           [12]
                膜外滋养细胞迁移和侵袭减少 。LncRNA NEAT1                       岛中表达显著下调。通过在 MIN6 细胞中干扰
                通过激活Akt/mTOR 信号通路促进小鼠肾系膜细胞                        Meg3,发现 Meg3 通过促进 Rad21/Smc3/Sin3α的表
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