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1 000 mitochondrial translation 68(8.65%)
921
positive regulation of transcription by RNA polymerase Ⅱ 46(5.85%)
regulation of transcription by RNA polymerase Ⅱ 45(5.73%)
4 translation 38(4.83%)
750 negative regulation of transcription by RNA polymerase Ⅱ 36(4.58%)
667 上调:254 signal transduction 31(3.94%)
apoptotic process
差异蛋白数/个 500 上调 -log 10 P 2 无差异:7 763 positive regulation of transcription, DNA-templated 21(2.67%) biological
下调:667
23(2.93%)
regulation of transcription, DNA-templated
21(2.67%)
protein phosphorylation
process
下调
总数
21(2.67%)
cell adhesion
21(2.67%)
254 positive regulation of apoptotic process 21(2.67%)
250 negative regulation of transcription, DNA-templated 19(2.42%)
0 innate immune response 18(2.29%)
-4 -2 0 2 4 cell differentiation 18(2.29%)
0 log 2 FC mitochondrial inner membrane 53(6.21%)
51(5.98%)
mitochondrial matrix
A.差异蛋白筛选结果 B.火山图 extracellular region 48(5.63%)
Golgi apparatus
43(5.04%)
extracellular space 41(4.81%)
图3 GAA组与对照组的差异蛋白分析结果 chromatin 39(4.57%)
mitochondrial large ribosomal subunit 38(4.45%)
intracellular membrane-bounded organelle 31(3.63%)
endoplasmic reticulum membrane 30(3.52%) cellular
线粒体:290(31.49%) protein-containing complex 27(3.17%) component
细胞核:204(22.15%) cell surface 27(3.17%)
细胞外基质:138(14.98%) integral component of plasma membrane 121(14.19%)
细胞质:129(14.01%) Golgi membrane 96(11.25%)
细胞膜:106(11.51%) mitochondrial small ribosomal subunit 23(2.7%)
细胞质核:23(2.5%) perinuclear region of cytoplasm 21(2.46%)
neuronal cell body
过氧化物酶体:12(1.3%) lysosomal membrane 20(2.34%)
20(2.34%)
内质网:8(0.87%) dendrite 19(2.23%)
细胞骨架:4(0.43%) mitochondrial intermembrane space 18(2.11%)
高尔基体:2(0.22%) structural constituent of ribosome 58(7.95%)
线粒体核:2(0.22%) DNA binding 44(6.03%)
内质网线粒体:1(0.11%) RNA polymerase Ⅱ cis-regulatory region sequence-specific DNA binding 42(5.75%)
溶酶体:1(0.11%) zinc ion binding 40(5.48%)
线粒体过氧化物酶体:1(0.11%) DNA-binding transcription factor activity,RNA polymerase Ⅱ-specific 38(5.21%)
protein homodimerization activity 34(4.66%)
DNA-binding transcription activator activity, RNA polymerase Ⅱ-specific 28(3.84%) molecular
calcium ion binding
图4 差异蛋白的亚细胞定位结果 DNA-binding transcription factor activity 27(3.7%) function
25(3.42%)
GTP binding 24(3.29%)
enzyme binding 23(3.15%)
3.2.4 差异蛋白的GO分析和KEGG信号通路分析结果 sequence-specific double-stranded DNA binding 22(3.01%)
protein kinase binding 20(2.74%)
chromatin binding
选取GO分析中P值排前50名的条目绘制富集条目 magnesium ion binding 20(2.74%)
19(2.6%)
ATP hydrolysis activity 18(2.47%)
柱形图(见图 5A),由图 5A 可知,生物过程主要集中在
0 5 10 15 20
线粒体蛋白翻译、RNA 聚合酶Ⅱ对转录的调控、蛋白翻 Percent/%
A. GO分析
译、凋亡、细胞粘连及分化;细胞组分主要集中在线粒体
apoptosis 14(3.09%)
lysosome
膜、基质、染色质、细胞膜;分子功能主要集中在核糖体 cellular senescence 11(2.43%) cellular processes
11(2.43%)
motor proteins 10(2.21%)
的构建、转录因子与 DNA 的结合等。选取排前 50 名的 PI3K-Akt signaling pathway 22(4.86%)
cytokine-cytokine receptor interaction 16(3.53%)
KEGG 信号通路绘制富集条目柱形图(见图 5B),由图 MAPK signaling pathway 15(3.31%)
13(2.87%)
TNF signaling pathway
NF-kappa B signaling pathway 12(2.65%) environmental information processing
5B可知,信号通路主要为PI3K/AKT(phosphoinositide 3- AMPK signaling pathway 11(2.43%)
Ras signaling pathway
10(2.21%)
Ribosome 39(8.61%)
kinase/protein kinase B,磷脂酰肌醇3激酶/蛋白激酶B)、 aminoacyl-tRNA biosynthesis 12(2.65%) genetic information processing
pathways of neurodegeneration-multiple diseases 46(10.15%)
MAPK(mitogen-activated protein kinase,促分裂原活化 amyotrophic lateral sclerosis 42(9.27%)
41(9.05%)
Alzheimer disease
huntington disease 40(8.83%)
prion disease
的蛋白质激酶)、TNF(tumor necrosis factor,肿瘤坏死因 Parkinson disease 37(8.17%)
37(8.17%)
chemical carcinogenesis -reactive oxygen species 35(7.73%)
子)、NF-κB(nuclear factor κB,NF-κB)、AMPK(AMP- diabetic cardiomyopathy 34(7.51%)
non-alcoholic fatty liver disease 31(6.84%)
pathways in cancer
activated protein kinase,AMP 活化的蛋白质激酶)、Ras human T-cell leukemia virus 1 infection 26(5.74%)
21(4.64%)
lipid and atherosclerosis 18(3.97%)
信号通路,主要涉及细胞凋亡、衰老、运动等细胞过程。 epstein-Barr virus infection 18(3.97%) human diseases
17(3.75%)
viral carcinogenesis
3.3 GAA对差异蛋白表达的影响结果 herpes simplex virus 1 infection 17(3.75%)
human papillomavirus infection
15(3.31%)
transcriptional misregulation in cancer 14(3.09%)
选取 FC 排前 3 名的蛋白 NDRG1、ERRFI1、CXCL3 fluid shear stress and atherosclerosis 13(2.87%)
Salmonella infection
13(2.87%)
central carbon metabolism in cancer 13(2.87%)
进行验证。与正常组比较,模型组细胞中 NDRG1、 pathogenic Escherichia coli infection 12(2.65%)
microRNAs in cancer 12(2.65%)
CXCL3 蛋白表达水平均显著升高,ERRFI1 蛋白表达水 Kaposi sarcoma-associated herpesvirus infection 12(2.65%)
alcoholic liver disease
12(2.65%)
chemical carcinogenesis-receptor activation 11(2.43%)
平显著降低(P<0.05);与模型组比较,阳性对照组和 breast cancer 11(2.43%)
oxidative phosphorylation 31(6.84%)
GAA各浓度组细胞中NDRG1、CXCL3蛋白表达水平均 biosynthesis of cofactors 17(3.75%) metabolism
carbon metabolism
13(2.87%)
fatty acid metabolism 10(2.21%)
显著降低(P<0.05),ERRFI1 蛋白表达水平均显著升高 biosynthesis of amino acids 10(2.21%)
43(9.49%)
thermogenesis
retrograde endocannabinoid signaling 22(4.86%)
(P<0.05)。与阳性对照组和GAA高浓度组比较,GAA osteoclast differentiation 13(2.87%) organismal systems
NOD-like receptor signaling pathway 12(2.65%)
IL-17 signaling pathway
中、低浓度组细胞中CXCL3蛋白表达水平均显著升高, complement and coagulation cascades 12(2.65%)
10(221%)
ERRFI1 蛋白表达水平显著降低(P<0.05)。与阳性对 0 4 8 12 16
Percent/%
照组比较,GAA高、中、低浓度组细胞中NDRG1蛋白表 B. KEGG分析
达水平均显著升高(P<0.05)。结果见图6。 图5 差异蛋白的GO分析和KEGG信号通路分析结果
中国药房 2025年第36卷第3期 China Pharmacy 2025 Vol. 36 No. 3 · 321 ·