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A The Most Enriched GO Terms((OP vs. CTRL)) B KEGG pathway
developmental process
regulation of cell growth Protein export ⁃ 1.929
growth
regulation of response to stimulus
regulation of cellular protein metabolic process Taste transduction ⁃ 1.811
regulation of extrinsic apoptotic signaling pathwa...
cell growth
regulation of growth Dilated cardio myopathy ⁃ 1.340
regulation of protein metabolic process
negative regulation of wound healing
Riboflavin metabolism ⁃ 1.284
anatomical structure development
negative regulation of response to wounding
negative regulation of receptor binding type Pantothenate and CoA biosynthesis ⁃ 1.233
positive regulation of extrinsic apoptotic signali... BP
negative regulation of response to external stimul... CC
heterochromatin MF Ovarian steroidogenesis ⁃ 1.073
membrane⁃bounded organelle
activin A complex
activin complex GABAergic synapse ⁃ 0.925
nuclear lumen
extracellular space Bile secretion ⁃ 0.867
nucloplasm
serine⁃type endopeptidase inhibitor activity
growth hormone receptor activity Insulin secretion ⁃ 0.815
high⁃affinity basic amino acid transmembrane grans...
high⁃affinity arginine transmembrane transporter a...
high⁃affinity lysine transmembrane transporter act... Nicotinate and nicotinamidemetabolism⁃ 0.791
L⁃arginine transmembrane transporter activity
0 20 40 60 0 1 2 3
Number of genes -lg(p_value)
A:GO;B:KEGG。
图3 差异lncRNA相关分析
Figure 3 Results of differential lncRNA advanced analysis
通 过 对 人 BMSC 的 研 究 发 现 ,下 调 lncRNA 试验等进一步探索并验证 lncRNA 对骨质疏松发病
ENST00000502125.2 可导致 BMSC 内的碱性磷酸酶 的影响提供基础。
染色强度明显增强,染色结节的数也显著增多,表 [参考文献]
[5]
明细胞向成骨性细胞分化 。lncRNA H19在BMSC
[1] MATIC I,ANTUNOVIC M,BRKIC S,et al. Expression of
成骨分化过程中表达显著,miR⁃140⁃5p表达显著降
OCT⁃4 and SOX⁃2 in bone marrow⁃derived human mesen⁃
低,功能分析显示lncRNA H19过度表达可抑制miR
chymal stem cells during osteogenic differentiation[J].
⁃140⁃5p 表达,加速成骨 BMSC 分化,而 lncRNA H19
Open Access Maced J Med Sci,2016,4(1):9-16
缺失则抑制了 BMSC 的成骨分化过程,lncRNA H19 [2] CHEN L L. Linking long noncoding RNA localization and
可调控 BMSC 分化过程 。同样,lncRNA MEG3 的 function[J]. Trends Biochem Sci,2016,41(9):761-772
[3]
下调能显著抑制 BMSC 的成骨能力,其过表达则能 [3] BI H,WANG D,LIU X,et al. Long non⁃coding RNA H19
提高 BMSC 的成骨能力,其对成骨分化的调节作用 promotes osteogenic differentiation of human bone marrow
可能是通过激活骨形态发生蛋白 4(BMP⁃4)来实现 ⁃derived mesenchymal stem cells by regulating microRNA
[6]
的 。 ⁃140⁃5p/SATB2 axis[J]. J Biosci,2020,45:56
本研究中,在骨质疏松模型大鼠 BMSC 内有 [4] JIN C,JIA L,HUANG Y,et al. Inhibition of lncRNA
116个lncRNA的表达差异具有统计学意义,占所有 MIR31HG promotes osteogenic differentiation of human
adipose ⁃ derived stem cells[J]. Stem Cells,2016,34
lncRNA 基因的 2.3%,其中上调的 lncRNA 35 个,下
(11):2707-2720
调81个。根据GO功能分析,这些差异lncRNA主要
[5] QIU X,JIA B,SUN X,et al. The critical role of long non⁃
参与细胞生长发育、解剖结构发育的调控、对应激
coding RNA in osteogenic differentiation of human bone
反应的调节、对细胞蛋白代谢过程的调控。差异 marrow mesenchymal stem cells[J]. Biomed Res Int,
lncRNA 主要富集的 KEGG 信号通路包括蛋白的转 2017,2017:5045827
运通路、味觉的传导通路、核黄素的新陈代谢通路、 [6] ZHUANG W Z,GE X E,YANG S J,et al. Upregulation of
泛酸盐和辅酶A的生物合成通路与扩张型心肌病相 lncRNA MEG3 promotes osteogenic differentiation of
关通路,这些通路可能间接调控骨质疏松的病理过 mesenchymal stem cells from multiple myeloma patients
程,本研究结果可为后续动物体内体外实验、临床 (下转第46页)