Article(id=1208518759799722189, tenantId=1146029695717560320, journalId=1189873630562394117, issueId=1208518757253779608, articleNumber=null, orderNo=null, doi=10.11855/j.issn.0577-7402.2021.12.04, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1623772800000, receivedDateStr=2021-06-16, revisedDate=1633708800000, revisedDateStr=2021-10-09, acceptedDate=null, acceptedDateStr=null, onlineDate=1766062925528, onlineDateStr=2025-12-18, pubDate=1640620800000, pubDateStr=2021-12-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766062925528, onlineIssueDateStr=2025-12-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766062925528, creator=13701087609, updateTime=1766062925528, updator=13701087609, issue=Issue{id=1208518757253779608, tenantId=1146029695717560320, journalId=1189873630562394117, year='2021', volume='46', issue='12', pageStart='1167', pageEnd='1267', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1766062924920, creator=13701087609, updateTime=1766062998332, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1208519065233125464, tenantId=1146029695717560320, journalId=1189873630562394117, issueId=1208518757253779608, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1208519065233125465, tenantId=1146029695717560320, journalId=1189873630562394117, issueId=1208518757253779608, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1188, endPage=1195, ext={EN=ArticleExt(id=1208518760181403872, articleId=1208518759799722189, tenantId=1146029695717560320, journalId=1189873630562394117, language=EN, title=Effect and mechanism of lncRNA NEAT1 activating PI3K/Akt signal pathway on the influence of PC12 cell apoptosis induced by Aβ25-35, columnId=1190310110212751762, journalTitle=Medical Journal of Chinese People’s Liberation Army, columnName=Basic Research, runingTitle=null, highlight=null, articleAbstract=

Objective To investigate the effect and mechanism of lncRNA NEAT1 activating PI3K/Akt signaling pathway on the influence of Alzheimer's disease (AD) PC12 model cells apoptosis induced by Aβ25-35. Methods PC12 cells were induced with Aβ25-35 of concentrations 0, 5, 10 and 20 μmol/L to construct AD cell model. PC12 cells were treated with 5 μmol/L Aβ25-35, and the relative expression level of lncRNA NEAT1 was detected by qRT-PCR at the time points 24, 48 and 72 hours,respectively. PC12 cells were divided into: (1) control group, lncRNA NEAT1 knockdown group, si-NC group, empty body group and lncRNA NEAT1 overexpression group. Among them the cells in control group were not treated anyway; in the other four groups were cultured with Opti-MEM medium containing si-lncRNA NEAT1, si-NC, pcDNA3.1-NC and pcDNA3.1-lncRNA NEAT1 and transfected for 8 hours, and then treated with 20 μmol/L Aβ25-35; qRT-PCR was used to detect the relative expression level of lncRNA NEAT1; CCK-8 was used to detect the cell viability; flow cytometry was used to detect the apoptosis of PC12 cells, and the proliferation of PC12 cells was reflected by the ratio of G1 to G2 phase of cell cycle; the inflammatory factors interleukin-1β (IL-1β),IL-6, IL-18, and tumor necrosis factor-α (TNF-α) in cell supernatant were detected by ELISA. (2) control group, empty body group,and lncRNA NEAT1 overexpression group, Western blotting was used to detect the relative expression levels of p-PI3K and p-Akt.(3) control group, si-NC group, lncRNA NEAT1 knockdown group, empty body group, lncRNA NEAT1 overexpression group, and lncRNA NEAT1 overexpression+LY294002 group. Cells in lncRNA NEAT1 overexpression+LY294002 group were transfected with pcDNA3.1-lncRNA NEAT1, and 10 μmol/L P13K pathway inhibitor LY294002 were added, and then flow cytometry was used to detect the apoptosis of PC12 cells. Results Different concentrations of Aβ25-35 could significantly inhibit the expression of lncRNA NEAT1 in a concentration-dependent manner (P=0.001). Compared with empty body group, the relative expression level of lncRNA NEAT1, the cell proliferation rate, and the proportion of cells in G2 phase of lncRNA NEAT1 overexpression group increased, the cell apoptosis rate and the proportion of cells in G1 phase decreased (P<0.05). Compared with si-NC group, the relative expression level of lncRNA NEAT1, the cell proliferation rate, and the proportion of cells in G2 phase of lncRNA NEAT1 knockdown group decreased, the cell apoptosis rate and the proportion of cells in G1 phase increased (P<0.05). ELISA results showed that, compared with empty body group, the levels of inflammatory factors IL-1β, IL-6, IL-18, and TNF-α decreased significantly in lncRNA NEAT1 overexpression group (P<0.05); compared with si-NC group, the levels of inflammatory factors IL-1β, IL-6, IL-18 and TNF-α increased significantly in lncRNA NEAT1 knockdown group (P<0.05). Western blotting results showed that, compared with empty body group, the expression levels of signal pathway related proteins p-PI3K and p-Akt increased in lncRNA NEAT1 overexpression group (p-PI3K: 0.86±0.05 vs. 0.15±0.02, P=0.003; p-Akt: 0.86±0.06 vs. 0.11±0.04, P=0.000). Compared with lncRNA NEAT1 overexpression group, the apoptosis rate in lncRNA NEAT1 overexpression+LY294002 group increased obviously (9.00%±0.10%vs. 5.13%±0.21%, P=0.004). Conclusion lncRNA NEAT1 can promote Aβ25-35 induced PC12 cell proliferation and inhibit cell apoptosis by regulating PI3K/Akt pathway.

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目的 探讨lncRNA NEAT1通过激活PI3K/Akt信号通路对Aβ25-35诱导的阿尔茨海默病(AD)模型细胞凋亡的影响及可能机制。方法 以0、5、10、20 μmol/L Aβ25-35诱导PC12细胞,构建AD细胞模型。用5 μmol/L Aβ25-35处理PC12细胞,并于24、48、72 h采用qRT-PCR检测lncRNA NEAT1相对表达水平。取PC12细胞,(1)设置对照组、敲降lncRNA NEAT1组、si-NC组、空载体组及过表达lncRNA NEAT1组,对照组不做任何处理,其余4组分别用含si-lncRNA NEAT1、si-NC、pcDNA3.1-NC、pcDNA3.1-lncRNA NEAT1的Opti-MEM培养基培养并转染8 h,然后使用20 μmol/L Aβ25-35处理。采用qRT-PCR检测lncRNA NEAT1相对表达水平;CCK-8法检测细胞活力;流式细胞术检测细胞凋亡情况,并以G1和G2期细胞比例反映细胞增殖情况;ELISA法检测细胞上清中炎性因子白细胞介素-1β(IL-1β)、IL-6、IL-18、肿瘤坏死因子-α(TNF-α)水平。(2)设置对照组、空载体组及过表达lncRNA NEAT1组,采用Western blotting检测p-PI3K、p-Akt蛋白相对表达水平。(3)设置对照组、si-NC组、敲降lncRNA NEAT1组、空载体组、过表达lncRNA NEAT1组及过表达lncRNA NEAT1+LY294002组,过表达lncRNA NEAT1+LY294002组细胞转染pcDNA3.1-lncRNA NEAT1后,加入10 μmol/L PI3K通路抑制剂LY294002处理,采用流式细胞术检测细胞凋亡情况。结果 不同浓度的Aβ25-35均可明显抑制lncRNA NEAT1的表达,且呈浓度依赖性(P=0.001)。与空载体组相比,过表达lncRNA NEAT1组lncRNA NEAT1相对表达水平、细胞增殖率、G2期细胞比例明显增高,细胞凋亡率、G1期细胞比例明显降低(P<0.05);与si-NC组相比,敲降lncRNA NEAT1组lncRNA NEAT1相对表达水平、细胞增殖率、G2期细胞比例明显降低,细胞凋亡率、G1期细胞比例明显升高(P<0.05)。ELISA检测结果显示,与空载体组相比,过表达lncRNA NEAT1组细胞上清中IL-1β、IL-6、IL-18、TNF-α水平明显降低(P<0.05);与si-NC组相比,敲降lncRNA NEAT1组细胞上清中IL-1β、IL-6、IL-18、TNF-α水平明显升高(P<0.05)。Western blotting检测结果显示,与空载体组相比,过表达lncRNA NEAT1组信号通路相关蛋白p-PI3K、p-Akt相对表达水平增高(p-PI3K:0.86±0.05 vs. 0.15±0.02,P=0.003;p-Akt:0.86±0.06 vs. 0.11±0.04,P=0.000)。与过表达lncRNA NEAT1组相比,过表达lncRNA NEAT1+LY294002组细胞凋亡率明显升高(9.00%±0.10% vs. 5.13%±0.21%,P=0.004)。结论 lncRNA NEAT1可通过调控PI3K/Akt通路促进Aβ25-35诱导的PC12细胞增殖,抑制PC12细胞凋亡。

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翟志恒,硕士研究生,主治医师,主要从事阿尔茨海默病发病的分子机制研究

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翟志恒,硕士研究生,主治医师,主要从事阿尔茨海默病发病的分子机制研究

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url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=J Zhang J, Zheng B, Gao A, journalName=Magn Reson Imaging, refType=null, unstructuredReference=J Zhang J, Zheng B, Gao A, et al. A 3D densely connected convolution neural network with connection-wise attention mechanism for Alzheimer's disease classification[J]. Magn Reson Imaging, 2021, 78: 119-126., articleTitle=A 3D densely connected convolution neural network with connection-wise attention mechanism for Alzheimer's disease classification, refAbstract=null), Reference(id=1208518770407117389, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, doi=null, pmid=null, pmcid=null, year=2019, volume=44, issue=4, pageStart=341, pageEnd=346, url=null, language=null, rfNumber=[2], rfOrder=1, authorNames=Xiao HX, Li T, Peng F, journalName=Med J Chin PLA, refType=null, unstructuredReference=Xiao HX, Li T, Peng F, et al. The molecular mechanism of autophagy and its research progress in neurodegenerative diseases[J]. Med J Chin PLA, 2019, 44(4): 341-346., articleTitle=The molecular mechanism of autophagy and its research progress in neurodegenerative diseases, refAbstract=null), Reference(id=1208518770491003472, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, doi=null, pmid=null, pmcid=null, year=2019, volume=44, issue=4, pageStart=341, pageEnd=346, url=null, language=null, rfNumber=[2], rfOrder=2, authorNames=肖昊翔, 李天, 彭帆, journalName=解放军医学杂志, refType=null, unstructuredReference=[肖昊翔, 李天, 彭帆, 等. 自噬在神经退行性疾病中的作用研究进展[J]. 解放军医学杂志, 2019, 44(4): 341-346.], articleTitle=自噬在神经退行性疾病中的作用研究进展, refAbstract=null), Reference(id=1208518770595861074, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, doi=null, pmid=null, pmcid=null, year=2021, volume=897, issue=null, pageStart=173950, pageEnd=null, url=null, language=null, rfNumber=[3], rfOrder=3, authorNames=Yang A, Liu C, Wu J, journalName=Eur J Pharmacol, refType=null, unstructuredReference=Yang A, Liu C, Wu J, et al. A review on α-mangostin as a potential multi-target-directed ligand for Alzheimer's disease[J]. Eur J Pharmacol, 2021, 897: 173950., articleTitle=A review on α-mangostin as a potential multi-target-directed ligand for Alzheimer's disease, refAbstract=null), Reference(id=1208518770704912982, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, doi=null, pmid=null, pmcid=null, year=2021, volume=749, issue=null, pageStart=135715, pageEnd=null, url=null, language=null, rfNumber=[4], rfOrder=4, authorNames=Lim KH, Kim SH, Yang S, journalName=Neurosci Lett, refType=null, unstructuredReference=Lim KH, Kim SH, Yang S, et al. Advances in multiplex PCR for Alzheimer's disease diagnostics targeting CDK genes[J]. Neurosci Lett, 2021, 749: 135715., articleTitle=Advances in multiplex PCR for Alzheimer's disease diagnostics targeting CDK genes, refAbstract=null), Reference(id=1208518770805576280, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, doi=null, pmid=null, pmcid=null, year=2020, volume=117, issue=null, pageStart=104545, pageEnd=null, url=null, language=null, rfNumber=[5], rfOrder=5, authorNames=Li L, Xu Y, Zhao M, journalName=Exp Mol Pathol, refType=null, unstructuredReference=Li L, Xu Y, Zhao M, et al. Neuro-protective roles of long non-coding RNA MALAT1 in Alzheimer's disease with the involvement of the microRNA-30b/CNR1 network and the following PI3K/Akt activation[J]. Exp Mol Pathol, 2020, 117: 104545., articleTitle=Neuro-protective roles of long non-coding RNA MALAT1 in Alzheimer's disease with the involvement of the microRNA-30b/CNR1 network and the following PI3K/Akt activation, refAbstract=null), Reference(id=1208518770910433883, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, doi=null, pmid=null, pmcid=null, year=2019, volume=60, issue=7, pageStart=640, pageEnd=650, url=null, language=null, rfNumber=[6], rfOrder=6, authorNames=Ke S, Yang Z, Yang F, journalName=Yonsei Med J, refType=null, unstructuredReference=Ke S, Yang Z, Yang F, et al. Long noncoding RNA NEAT1 aggravates Aβ-induced neuronal damage by targeting miR-107 in Alzheimer's disease[J]. Yonsei Med J, 2019, 60(7): 640-650., articleTitle=Long noncoding RNA NEAT1 aggravates Aβ-induced neuronal damage by targeting miR-107 in Alzheimer's disease, refAbstract=null), Reference(id=1208518771015291488, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, doi=null, pmid=null, pmcid=null, year=2019, volume=10, issue=1, pageStart=1495, pageEnd=null, url=null, language=null, rfNumber=[7], rfOrder=7, authorNames=Zhang P, Cao L, Zhou R, journalName=Nat Commun, refType=null, unstructuredReference=Zhang P, Cao L, Zhou R, et al. The lncRNA Neat1 promotes activation of inflammasomes in macrophages[J]. Nat Commun, 2019, 10(1): 1495., articleTitle=The lncRNA Neat1 promotes activation of inflammasomes in macrophages, refAbstract=null), Reference(id=1208518771115954788, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, doi=null, pmid=null, pmcid=null, year=2021, volume=16, issue=10, pageStart=1973, pageEnd=1977, url=null, language=null, rfNumber=[8], rfOrder=8, authorNames=Yepes M, journalName=Neural Regen Res, refType=null, unstructuredReference=Yepes M. The plasminogen activating system in the pathogenesis of Alzheimer's disease[J]. Neural Regen Res, 2021, 16(10): 1973-1977., articleTitle=The plasminogen activating system in the pathogenesis of Alzheimer's disease, refAbstract=null), Reference(id=1208518771187257960, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, doi=null, pmid=null, pmcid=null, year=2021, volume=18, issue=1, pageStart=10, pageEnd=null, url=null, language=null, rfNumber=[9], rfOrder=9, authorNames=Ding Y, Zhong Y, Baldeshwiler A, journalName=Fluids Barriers CNS, refType=null, unstructuredReference=Ding Y, Zhong Y, Baldeshwiler A, et al. Protecting P-glycoprotein at the blood-brain barrier from degradation in an Alzheimer's disease mouse model[J]. Fluids Barriers CNS, 2021, 18(1): 10., articleTitle=Protecting P-glycoprotein at the blood-brain barrier from degradation in an Alzheimer's disease mouse model, refAbstract=null), Reference(id=1208518771287921258, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, doi=null, pmid=null, pmcid=null, year=2021, volume=100, issue=3, pageStart=e23423, pageEnd=null, url=null, language=null, rfNumber=[10], rfOrder=10, authorNames=Yuan J, Yi K, Yang L, journalName=Medicine(Baltimore), refType=null, unstructuredReference=Yuan J, Yi K, Yang L. LncRNA NEAT1 promotes proliferation of ovarian cancer cells and angiogenesis of co-incubated human umbilical vein endothelial cells by regulating FGF9 through sponging miR-365: An experimental study[J]. Medicine(Baltimore), 2021, 100(3): e23423., articleTitle=LncRNA NEAT1 promotes proliferation of ovarian cancer cells and angiogenesis of co-incubated human umbilical vein endothelial cells by regulating FGF9 through sponging miR-365: An experimental study, refAbstract=null), Reference(id=1208518771376001647, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, doi=null, pmid=null, pmcid=null, year=2020, volume=57, issue=4, pageStart=1001, pageEnd=1012, url=null, language=null, rfNumber=[11], rfOrder=11, authorNames=Zhang Y, Huang C, Zhu Z, journalName=Int J Oncol, refType=null, unstructuredReference=Zhang Y, Huang C, Zhu Z, et al. lncRNA NEAT1 regulates the proliferation and migration of hepatocellular carcinoma cells by acting as a miR-320a molecular sponge and targeting L antigen family member 3[J]. Int J Oncol, 2020, 57(4): 1001-1012., articleTitle=lncRNA NEAT1 regulates the proliferation and migration of hepatocellular carcinoma cells by acting as a miR-320a molecular sponge and targeting L antigen family member 3, refAbstract=null), Reference(id=1208518771451499122, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, doi=null, pmid=null, pmcid=null, year=2021, volume=145, issue=2, pageStart=202, pageEnd=212, url=null, language=null, rfNumber=[12], rfOrder=12, authorNames=Chen C, Zhang H, Ge M, journalName=J Pharmacol Sci, refType=null, unstructuredReference=Chen C, Zhang H, Ge M, et al. LncRNA NEAT1 acts as a key regulator of cell apoptosis and inflammatory response by the miR-944/TRIM37 axis in acute lung injury[J]. J Pharmacol Sci, 2021, 145(2): 202-212., articleTitle=LncRNA NEAT1 acts as a key regulator of cell apoptosis and inflammatory response by the miR-944/TRIM37 axis in acute lung injury, refAbstract=null), Reference(id=1208518771589911157, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, doi=null, pmid=null, pmcid=null, year=2020, volume=10, issue=1, pageStart=19658, pageEnd=null, url=null, language=null, rfNumber=[13], rfOrder=13, authorNames=Ni X, Su Q, Xia W, journalName=Sci Rep, refType=null, unstructuredReference=Ni X, Su Q, Xia W, et al. Knockdown lncRNA NEAT1 regulates the activation of microglia and reduces Akt signaling and neuronal apoptosis after cerebral ischemic reperfusion[J]. Sci Rep, 2020, 10(1): 19658., articleTitle=Knockdown lncRNA NEAT1 regulates the activation of microglia and reduces Akt signaling and neuronal apoptosis after cerebral ischemic reperfusion, refAbstract=null), Reference(id=1208518771686380150, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, doi=null, pmid=null, pmcid=null, year=2020, volume=24, issue=8, pageStart=4152, pageEnd=4160, url=null, language=null, rfNumber=[14], rfOrder=14, authorNames=Kou JT, Ma J, Zhu JQ, journalName=Eur Rev Med Pharmacol Sci, refType=null, unstructuredReference=Kou JT, Ma J, Zhu JQ, et al. LncRNA NEAT1 regulates proliferation, apoptosis and invasion of liver cancer[J]. Eur Rev Med Pharmacol Sci, 2020, 24(8): 4152-4160., articleTitle=LncRNA NEAT1 regulates proliferation, apoptosis and invasion of liver cancer, refAbstract=null), Reference(id=1208518771778654840, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, doi=null, pmid=null, pmcid=null, year=2020, volume=11, issue=null, pageStart=574145, pageEnd=null, url=null, language=null, rfNumber=[15], rfOrder=15, authorNames=Chen X, Zhao S, Li Q, journalName=Front Genet, refType=null, unstructuredReference=Chen X, Zhao S, Li Q, et al. LncRNA NEAT1 knockdown inhibits retinoblastoma progression by miR-3619-5p/LASP1 axis[J]. Front Genet, 2020, 11: 574145., articleTitle=LncRNA NEAT1 knockdown inhibits retinoblastoma progression by miR-3619-5p/LASP1 axis, refAbstract=null), Reference(id=1208518771858346619, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, doi=null, pmid=null, pmcid=null, year=2018, volume=22, issue=13, pageStart=4090, pageEnd=4097, url=null, language=null, rfNumber=[16], rfOrder=16, authorNames=Guo HM, Yang SH, Zhao SZ, journalName=Eur Rev Med Pharmacol Sci, refType=null, unstructuredReference=Guo HM, Yang SH, Zhao SZ, et al. LncRNA NEAT1 regulates cervical carcinoma proliferation and invasion by targeting Akt/PI3K[J]. Eur Rev Med Pharmacol Sci, 2018, 22(13): 4090-4097., articleTitle=LncRNA NEAT1 regulates cervical carcinoma proliferation and invasion by targeting Akt/PI3K, refAbstract=null), Reference(id=1208518771929649788, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, doi=null, pmid=null, pmcid=null, year=2020, volume=117, issue=null, pageStart=168, pageEnd=179, url=null, language=null, rfNumber=[17], rfOrder=17, authorNames=Xia D, Yao R, Zhou P, journalName=Mol Immunol, refType=null, unstructuredReference=Xia D, Yao R, Zhou P, et al. LncRNA NEAT1 reversed the hindering effects of miR-495-3p/STAT3 axis and miR-211/PI3K/Akt axis on sepsis-relevant inflammation[J]. Mol Immunol, 2020, 117: 168-179., articleTitle=LncRNA NEAT1 reversed the hindering effects of miR-495-3p/STAT3 axis and miR-211/PI3K/Akt axis on sepsis-relevant inflammation, refAbstract=null)], funds=[Fund(id=1208518769018802751, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, awardId=JYFC2019FKJ032, language=EN, fundingSource=Supporting Fund for Teachers' Research of Jining Medical College(JYFC2019FKJ032), fundOrder=null, country=null), Fund(id=1208518769115271748, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, awardId=JYFC2019FKJ032, language=CN, fundingSource=济宁医学院教师科研扶持基金(JYFC2019FKJ032), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1208518763717202285, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, xref=null, ext=[AuthorCompanyExt(id=1208518763725590894, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, companyId=1208518763717202285, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Jining Psychiatric Hospital of Jining Medical College, Jining, Shandong 272051, China), AuthorCompanyExt(id=1208518763742368111, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, companyId=1208518763717202285, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=济宁医学院济宁市精神病防治院,山东济宁 272051)])], figs=[ArticleFig(id=1208518767110394355, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, language=EN, label=Fig. 1, caption=Relative expression level of lncRNA NEAT1 in PC12 cells induced by Aβ25-35, figureFileSmall=HEVrVDuPdTMMyIYgM11rDA==, figureFileBig=vTdc/9/AeMLyDKsEFHQ5JA==, tableContent=null), ArticleFig(id=1208518767194280439, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, language=CN, label=图1, caption=25-35诱导的PC12细胞中lncRNA NEAT1相对表达水平

A. 不同浓度Aβ25-35处理的PC12细胞中lncRNA NEAT1的表达情况;B. 5 μmol/L Aβ25-35处理不同时间对PC12细胞中lncRNA NEAT1表达的影响;与对照组比较,(1)P<0.05。

, figureFileSmall=HEVrVDuPdTMMyIYgM11rDA==, figureFileBig=vTdc/9/AeMLyDKsEFHQ5JA==, tableContent=null), ArticleFig(id=1208518767445938688, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, language=EN, label=Fig. 2, caption=Construction effect of lncRNA NEAT1 vector detected by qRT-PCR, figureFileSmall=Clv95DCdFZt5tkYXTmr3xg==, figureFileBig=MZKLag91W9+vot6Bc7hPZw==, tableContent=null), ArticleFig(id=1208518767542407685, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, language=CN, label=图2, caption=lncRNA NEAT1载体构建效果(qRT-PCR)

与对照组比较,(1)P<0.05;与空载体组比较,(2)P<0.05;与si-NC组比较,(3)P<0.05。

, figureFileSmall=Clv95DCdFZt5tkYXTmr3xg==, figureFileBig=MZKLag91W9+vot6Bc7hPZw==, tableContent=null), ArticleFig(id=1208518767651459594, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, language=EN, label=Fig. 3, caption=E ff ect of lncRNA NEAT1 on cell viability of AD model cells, figureFileSmall=tzaZqdKxvz+lnGG7SfGhew==, figureFileBig=auCCoJ5vN1z7YFt0i6TPsQ==, tableContent=null), ArticleFig(id=1208518767768900112, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, language=CN, label=图3, caption=lncRNA NEAT1对AD模型细胞活力的影响

与对照组比较,(1)P<0.05;与空载体组比较,(2)P<0.05;与si-NC组比较,(3)P<0.05。

, figureFileSmall=tzaZqdKxvz+lnGG7SfGhew==, figureFileBig=auCCoJ5vN1z7YFt0i6TPsQ==, tableContent=null), ArticleFig(id=1208518767869563414, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, language=EN, label=Fig. 4, caption=Effect of lncRNA NEAT1 on apoptosis of AD model cells, figureFileSmall=GewdRU2NaR/Ji/RWxmbHGA==, figureFileBig=UqNFRbIesMcfG/4HS5fJ3A==, tableContent=null), ArticleFig(id=1208518767999586843, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, language=CN, label=图4, caption=lncRNA NEAT1对AD模型细胞凋亡的影响

与对照组比较,(1)P<0.05;与空载体组比较,(2)P<0.05;与si-NC组比较,(3)P<0.05。

, figureFileSmall=GewdRU2NaR/Ji/RWxmbHGA==, figureFileBig=UqNFRbIesMcfG/4HS5fJ3A==, tableContent=null), ArticleFig(id=1208518768100250145, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, language=EN, label=Fig. 5, caption=Effect of lncRNA NEAT1 on cell cycle of AD model cells, figureFileSmall=Iim8heESBkHbhQd/EWYDKQ==, figureFileBig=axHBa6w/qRBS/TW0ItIzWA==, tableContent=null), ArticleFig(id=1208518768175747621, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, language=CN, label=图5, caption=lncRNA NEAT1对AD模型细胞周期的影响

与对照组比较,(1)P<0.05;与空载体组比较,(2)P<0.05;与si-NC组比较,(3)P<0.05。

, figureFileSmall=Iim8heESBkHbhQd/EWYDKQ==, figureFileBig=axHBa6w/qRBS/TW0ItIzWA==, tableContent=null), ArticleFig(id=1208518768288993835, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, language=EN, label=Fig. 6, caption=Effect of lncRNA NEAT1 on the PI3K/Akt signaling pathway activity of AD model cells, figureFileSmall=VS1ah+YqI0FEPtiRUjuJcQ==, figureFileBig=Zk6xkKDxTYSS3u8a/raumQ==, tableContent=null), ArticleFig(id=1208518768402240044, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, language=CN, label=图6, caption=lncRNA NEAT1对AD模型细胞中PI3K/Akt信号通路活性的影响

与对照组比较,(1)P<0.05;与空载体组比较,(2)P<0.05。

, figureFileSmall=VS1ah+YqI0FEPtiRUjuJcQ==, figureFileBig=Zk6xkKDxTYSS3u8a/raumQ==, tableContent=null), ArticleFig(id=1208518768515486259, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, language=EN, label=Fig. 7, caption=Effect of PI3K/Akt pathway inhibitor LY294002 on apoptosis of AD model cells, figureFileSmall=Od0dasUWWmPsUr/cZztdgg==, figureFileBig=TBUUqa4DUluVIdruQZAlkQ==, tableContent=null), ArticleFig(id=1208518768628732466, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, language=CN, label=图7, caption=PI3K/Akt通路抑制剂LY294002对AD模型细胞凋亡的影响

与对照组比较,(1)P<0.05;与空载体组比较,(2)P<0.05;与过表达lncRNA NEAT1组比较,(3)P<0.05。

, figureFileSmall=Od0dasUWWmPsUr/cZztdgg==, figureFileBig=TBUUqa4DUluVIdruQZAlkQ==, tableContent=null), ArticleFig(id=1208518768737784376, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, language=EN, label=Tab. 1, caption=

Effect of lncRNA NEAT1 on the inflammatory factor levels of AD model cells (pg/ml, $\bar{x}±s$, n=3)

, figureFileSmall=null, figureFileBig=null, tableContent=
组别IL-1βIL-6IL-18TNF-α
对照组42.45±1.9814.54±0.6854.76±2.11213.59±11.58
空载体组117.19±4.97(1)83.91±4.87(1)187.61±5.64(1)529.67±22.30(1)
过表达lncRNA NEAT1组76.23±5.78(2)60.31±4.45(2)127.45±5.71(2)342.33±9.29(2)
si-NC组117.00±5.57(1)85.00±3.00(1)182.67±6.81(1)550.00±39.36(1)
敲降lncRNA NEAT1组159.67±15.50(3)118.33±7.64(3)215.00±5.00(3)734.67±20.53(3)
), ArticleFig(id=1208518768867807801, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1208518759799722189, language=CN, label=表1, caption=

lncRNA NEAT1对AD模型细胞上清中炎性因子水平的影响(pg/ml,$\bar{x}±s$,n=3)

, figureFileSmall=null, figureFileBig=null, tableContent=
组别IL-1βIL-6IL-18TNF-α
对照组42.45±1.9814.54±0.6854.76±2.11213.59±11.58
空载体组117.19±4.97(1)83.91±4.87(1)187.61±5.64(1)529.67±22.30(1)
过表达lncRNA NEAT1组76.23±5.78(2)60.31±4.45(2)127.45±5.71(2)342.33±9.29(2)
si-NC组117.00±5.57(1)85.00±3.00(1)182.67±6.81(1)550.00±39.36(1)
敲降lncRNA NEAT1组159.67±15.50(3)118.33±7.64(3)215.00±5.00(3)734.67±20.53(3)
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lncRNA NEAT1激活PI3K/Akt信号通路对Aβ25-35诱导的PC12细胞凋亡的影响及机制
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翟志恒 , 田杨 , 周玉妮 , 宋玉成
解放军医学杂志 | 论著 2021,46(12): 1188-1195
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解放军医学杂志 | 论著 2021, 46(12): 1188-1195
lncRNA NEAT1激活PI3K/Akt信号通路对Aβ25-35诱导的PC12细胞凋亡的影响及机制
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翟志恒, 田杨, 周玉妮, 宋玉成
作者信息
  • 济宁医学院济宁市精神病防治院,山东济宁 272051
  • 翟志恒,硕士研究生,主治医师,主要从事阿尔茨海默病发病的分子机制研究

Effect and mechanism of lncRNA NEAT1 activating PI3K/Akt signal pathway on the influence of PC12 cell apoptosis induced by Aβ25-35
Zhi-Heng Zhai, Yang Tian, Yu-Ni Zhou, Yu-Cheng Song
Affiliations
  • Jining Psychiatric Hospital of Jining Medical College, Jining, Shandong 272051, China
出版时间: 2021-12-28 doi: 10.11855/j.issn.0577-7402.2021.12.04
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目的 探讨lncRNA NEAT1通过激活PI3K/Akt信号通路对Aβ25-35诱导的阿尔茨海默病(AD)模型细胞凋亡的影响及可能机制。方法 以0、5、10、20 μmol/L Aβ25-35诱导PC12细胞,构建AD细胞模型。用5 μmol/L Aβ25-35处理PC12细胞,并于24、48、72 h采用qRT-PCR检测lncRNA NEAT1相对表达水平。取PC12细胞,(1)设置对照组、敲降lncRNA NEAT1组、si-NC组、空载体组及过表达lncRNA NEAT1组,对照组不做任何处理,其余4组分别用含si-lncRNA NEAT1、si-NC、pcDNA3.1-NC、pcDNA3.1-lncRNA NEAT1的Opti-MEM培养基培养并转染8 h,然后使用20 μmol/L Aβ25-35处理。采用qRT-PCR检测lncRNA NEAT1相对表达水平;CCK-8法检测细胞活力;流式细胞术检测细胞凋亡情况,并以G1和G2期细胞比例反映细胞增殖情况;ELISA法检测细胞上清中炎性因子白细胞介素-1β(IL-1β)、IL-6、IL-18、肿瘤坏死因子-α(TNF-α)水平。(2)设置对照组、空载体组及过表达lncRNA NEAT1组,采用Western blotting检测p-PI3K、p-Akt蛋白相对表达水平。(3)设置对照组、si-NC组、敲降lncRNA NEAT1组、空载体组、过表达lncRNA NEAT1组及过表达lncRNA NEAT1+LY294002组,过表达lncRNA NEAT1+LY294002组细胞转染pcDNA3.1-lncRNA NEAT1后,加入10 μmol/L PI3K通路抑制剂LY294002处理,采用流式细胞术检测细胞凋亡情况。结果 不同浓度的Aβ25-35均可明显抑制lncRNA NEAT1的表达,且呈浓度依赖性(P=0.001)。与空载体组相比,过表达lncRNA NEAT1组lncRNA NEAT1相对表达水平、细胞增殖率、G2期细胞比例明显增高,细胞凋亡率、G1期细胞比例明显降低(P<0.05);与si-NC组相比,敲降lncRNA NEAT1组lncRNA NEAT1相对表达水平、细胞增殖率、G2期细胞比例明显降低,细胞凋亡率、G1期细胞比例明显升高(P<0.05)。ELISA检测结果显示,与空载体组相比,过表达lncRNA NEAT1组细胞上清中IL-1β、IL-6、IL-18、TNF-α水平明显降低(P<0.05);与si-NC组相比,敲降lncRNA NEAT1组细胞上清中IL-1β、IL-6、IL-18、TNF-α水平明显升高(P<0.05)。Western blotting检测结果显示,与空载体组相比,过表达lncRNA NEAT1组信号通路相关蛋白p-PI3K、p-Akt相对表达水平增高(p-PI3K:0.86±0.05 vs. 0.15±0.02,P=0.003;p-Akt:0.86±0.06 vs. 0.11±0.04,P=0.000)。与过表达lncRNA NEAT1组相比,过表达lncRNA NEAT1+LY294002组细胞凋亡率明显升高(9.00%±0.10% vs. 5.13%±0.21%,P=0.004)。结论 lncRNA NEAT1可通过调控PI3K/Akt通路促进Aβ25-35诱导的PC12细胞增殖,抑制PC12细胞凋亡。

阿尔茨海默病  /  长链非编码RNA  /  核富集转录本1  /  PI3K/Akt

Objective To investigate the effect and mechanism of lncRNA NEAT1 activating PI3K/Akt signaling pathway on the influence of Alzheimer's disease (AD) PC12 model cells apoptosis induced by Aβ25-35. Methods PC12 cells were induced with Aβ25-35 of concentrations 0, 5, 10 and 20 μmol/L to construct AD cell model. PC12 cells were treated with 5 μmol/L Aβ25-35, and the relative expression level of lncRNA NEAT1 was detected by qRT-PCR at the time points 24, 48 and 72 hours,respectively. PC12 cells were divided into: (1) control group, lncRNA NEAT1 knockdown group, si-NC group, empty body group and lncRNA NEAT1 overexpression group. Among them the cells in control group were not treated anyway; in the other four groups were cultured with Opti-MEM medium containing si-lncRNA NEAT1, si-NC, pcDNA3.1-NC and pcDNA3.1-lncRNA NEAT1 and transfected for 8 hours, and then treated with 20 μmol/L Aβ25-35; qRT-PCR was used to detect the relative expression level of lncRNA NEAT1; CCK-8 was used to detect the cell viability; flow cytometry was used to detect the apoptosis of PC12 cells, and the proliferation of PC12 cells was reflected by the ratio of G1 to G2 phase of cell cycle; the inflammatory factors interleukin-1β (IL-1β),IL-6, IL-18, and tumor necrosis factor-α (TNF-α) in cell supernatant were detected by ELISA. (2) control group, empty body group,and lncRNA NEAT1 overexpression group, Western blotting was used to detect the relative expression levels of p-PI3K and p-Akt.(3) control group, si-NC group, lncRNA NEAT1 knockdown group, empty body group, lncRNA NEAT1 overexpression group, and lncRNA NEAT1 overexpression+LY294002 group. Cells in lncRNA NEAT1 overexpression+LY294002 group were transfected with pcDNA3.1-lncRNA NEAT1, and 10 μmol/L P13K pathway inhibitor LY294002 were added, and then flow cytometry was used to detect the apoptosis of PC12 cells. Results Different concentrations of Aβ25-35 could significantly inhibit the expression of lncRNA NEAT1 in a concentration-dependent manner (P=0.001). Compared with empty body group, the relative expression level of lncRNA NEAT1, the cell proliferation rate, and the proportion of cells in G2 phase of lncRNA NEAT1 overexpression group increased, the cell apoptosis rate and the proportion of cells in G1 phase decreased (P<0.05). Compared with si-NC group, the relative expression level of lncRNA NEAT1, the cell proliferation rate, and the proportion of cells in G2 phase of lncRNA NEAT1 knockdown group decreased, the cell apoptosis rate and the proportion of cells in G1 phase increased (P<0.05). ELISA results showed that, compared with empty body group, the levels of inflammatory factors IL-1β, IL-6, IL-18, and TNF-α decreased significantly in lncRNA NEAT1 overexpression group (P<0.05); compared with si-NC group, the levels of inflammatory factors IL-1β, IL-6, IL-18 and TNF-α increased significantly in lncRNA NEAT1 knockdown group (P<0.05). Western blotting results showed that, compared with empty body group, the expression levels of signal pathway related proteins p-PI3K and p-Akt increased in lncRNA NEAT1 overexpression group (p-PI3K: 0.86±0.05 vs. 0.15±0.02, P=0.003; p-Akt: 0.86±0.06 vs. 0.11±0.04, P=0.000). Compared with lncRNA NEAT1 overexpression group, the apoptosis rate in lncRNA NEAT1 overexpression+LY294002 group increased obviously (9.00%±0.10%vs. 5.13%±0.21%, P=0.004). Conclusion lncRNA NEAT1 can promote Aβ25-35 induced PC12 cell proliferation and inhibit cell apoptosis by regulating PI3K/Akt pathway.

Alzheimer's disease  /  long noncoding RNA  /  nuclear-enriched abundant transcript 1  /  PI3K/Akt
翟志恒, 田杨, 周玉妮, 宋玉成. lncRNA NEAT1激活PI3K/Akt信号通路对Aβ25-35诱导的PC12细胞凋亡的影响及机制. 解放军医学杂志, 2021 , 46 (12) : 1188 -1195 . DOI: 10.11855/j.issn.0577-7402.2021.12.04
Zhi-Heng Zhai, Yang Tian, Yu-Ni Zhou, Yu-Cheng Song. Effect and mechanism of lncRNA NEAT1 activating PI3K/Akt signal pathway on the influence of PC12 cell apoptosis induced by Aβ25-35[J]. Medical Journal of Chinese People’s Liberation Army, 2021 , 46 (12) : 1188 -1195 . DOI: 10.11855/j.issn.0577-7402.2021.12.04
阿尔茨海默病(Alzheimer's disease,AD),又称老年性痴呆,是一种不可逆的中枢神经系统退行性疾病[1],临床主要表现为渐进性记忆障碍等神经精神症状,严重影响患者的社交、工作与生活功能[2]。目前,AD的具体发病机制尚未明确,尚无有效的治疗方法[3]。因此,开发潜在的精准AD生物标志物具有重要意义[4]。长链非编码RNA(long noncoding RNA,lncRNA)在神经退行性疾病中的作用近年逐渐受到重视[5]。核富集转录本1(nuclear-enriched abundant transcript 1,NEAT1)是一种广泛表达的lncRNA,在神经退行性疾病中的表达发生了明显变化[6]。Zhang等[7]发现,在小鼠巨噬细胞中,NEAT1可以激活pro-caspase-1,促进炎性小体NLRP3聚集,稳定cleaved-caspase-1,并提高caspase-1的活性。本研究探讨了lncRNA NEAT1激活PI3K/Akt信号通路对Aβ25-35诱导的AD模型细胞凋亡的影响及可能机制,以期为开发新的AD生物标志物提供依据。
PC12细胞购自中国科学院;胎牛血清(FBS)、DMEM高糖培养基、青/链霉素购自美国Invigentech公司;Lipofectamine 2000、质粒孵育培养基Opti-MEM及Aβ25-35购自美国Sigma公司;胰蛋白酶购自美国Amresco公司;反转录试剂盒、Annexin V-FITC/PI试剂盒、TB Green Premix EX Taq Ⅱ试剂盒、CCK-8检测试剂盒购自北京百奥莱博科技有限公司;兔抗p-PI3K、PI3K、p-Akt、Akt、GAPDH一抗以及羊抗兔二抗购自武汉菲恩生物科技有限公司;Trizol试剂购自美国Invitrogen公司;SYBR Green qPCR Master Mix试剂盒购自日本TaKaRa公司;pcDNA3.1 lncRNA NEAT1质粒及相应空载体购自广州吉赛生物科技股份有限公司;小干扰RNA(small interfering RNA,siRNA)及相应阴性对照(siRNA NC,si-NC)购自上海吉玛制药技术有限公司;白细胞介素-1β(IL-1β)、IL-6、IL-18和肿瘤坏死因子-α(TNF-α) ELISA试剂盒购自武汉伊莱瑞特生物科技有限公司;PI3K通路抑制剂LY294002(HY-10108)购自美国MedChemExpress公司。酶标仪(Imark)购自美国伯乐公司;实时荧光定量PCR仪(ABI7700)购自美国ABI公司;流式细胞仪(FACSCalibur)购自美国BD公司;Western blotting检测系统购自美国Molecular Devices公司。
PC12细胞于含0.1 ml/ml胎牛血清、100 U/ml青霉素和100 μg/ml链霉素的DMEM高糖培养基中,置于5% CO2、37 ℃恒温培养箱中培养。取对数生长期细胞接种于96孔板中,加入不同浓度的Aβ25-35(0、5、10、20 μmol/L)作用24 h,建立AD细胞模型。考虑到Aβ25-35对P12细胞毒性的影响,选择5 μmol/L Aβ25-35处理PC12细胞,并于24、48、72 h检测lncRNA NEAT1相对表达水平。
按照Trizol说明书步骤提取总RNA,反转录成cDNA,测定cDNA浓度,利用TB Green Premix EX Taq Ⅱ试剂盒进行qRT-PCR扩增。反应体系(20 μl):1 μl cDNA、上下游引物各0.5 μl、10 μl SYBR Premix Ex Taq、8 μl ddH2O。反应条件:95 ℃预变性5 min;95 ℃ 15 s、60 ℃ 34 s,共40个循环。引物由上海生工生物工程股份有限公司设计并合成。lncRNA NEAT1:上游引物5'-GGCAGGTCTAGTTTGGGCAT-3',下游引物5'-CCTCATCCCTCCCAGTACCA-3';GAPDH:上游引物5'-CCCTTCATTGACCTCAACTACA-3',下游引物5'-ATGACAAGCTTCCCGTTCTC-3'。以GAPDH为内参,采用2-ΔΔCt法计算lncRNA NEAT1的相对表达水平。实验重复3次,结果取平均值。
将5 μl Lipofectamine 2000加入250 μl Opti-MEM培养基中混匀,室温静置5 min;分别取5 μg siRNA-lncRNA (si-lncRNA)NEAT1、si-NC、pcDNA3.1-NC、pcDNA3.1-lncRNA NEAT1加入250 μl Opti-MEM培养基中混匀,室温静置5 min;将含Lipofectamine 2000的Opti-MEM培养基分别与含si-lncRNA NEAT1、si-NC、pcDNA3.1-NC或pcDNA3.1-lncRNA NEAT1的Opti-MEM培养基混匀,室温静置25 min。取PC12细胞接种于96孔板中,设置对照组、敲降lncRNA NEAT1组、si-NC组、空载体组及过表达lncRNA NEAT1组。敲降lncRNA NEAT1组、si-NC组、空载体组及过表达lncRNA NEAT1组每孔加入质粒混合液混匀并于培养箱中培养,转染8 h后更换为新鲜常规培养基继续培养48 h,然后分别加入20 μmol/L Aβ25-35继续培养24 h后更换为新鲜常规培养基继续培养;对照组不做处理,培养方法同其余各组。
按照1.3中的步骤检测各组lncRNA NEAT1相对表达水平。
收集各组细胞,接种于96孔板中(5×103个/孔),设置3个复孔,培养24 h后,每孔加入10 μl CCK-8溶液孵育2 h,采用酶标仪测定各孔450 nm处的吸光度(A450)值。
收集各组细胞,使用胰蛋白酶消化,1000 r/min离心6 min,弃上清;用培养液重悬细胞,并用无水乙醇在-20 ℃条件下过夜固定细胞;去除固定液,用PBS重悬细胞,1000×g离心5 min,重复2次;PBS清洗细胞,用含RNase A的溶液消化1 h;加入PI溶液终止消化并避光染色8 min,采用流式细胞仪检测细胞周期分布情况。
使用IL-1β、IL-6、IL-18和TNF-α ELISA试剂盒检测细胞上清中IL-1β、IL-6、IL-18和TNF-α的水平。将各组细胞接种于96孔板中培养48 h,洗涤4次,加入生物素标记的抗体工作液、酶偶联物,室温孵育30 min;洗涤,加入显色底物显色,采用酶标仪测定各孔450 nm处的吸光度(A450)值。实验重复3次,结果取平均值。
收集对照组、空载体组及过表达lncRNA NEAT1组细胞,接种于96孔板中(5×103个/孔),加入RIPA裂解液,将96孔板于0 ℃振荡30 min,4 ℃下12 000 r/min离心15 min,取上清,采用BCA法测定总蛋白浓度。取25 μg蛋白上样,行SDS-聚丙烯酰胺凝胶电泳(90 V 30 min,120 V至溴酚蓝到达凝胶底部),然后转至PVDF膜上。加入5%脱脂奶粉室温封闭1 h,加入一抗兔抗p-PI3K(1:1000)、PI3K(1:1000)、Akt(1:1000)、p-Akt(1:1000)及内参GAPDH(1:1000),4 ℃孵育过夜;TBST洗涤3次,加入辣根过氧化物酶标记的二抗(1:10 000),室温孵育1 h;TBST洗涤3次,用ECL显色液显色,ImageJ软件对条带进行灰度分析。
取PC12细胞,以5×103个/孔的密度接种于无菌96孔板中,设置对照组、si-NC组、敲降lncRNA NEAT1组、空载体组、过表达lncRNA NEAT1组及过表达lncRNA NEAT1+LY294002组,对照组、si-NC组、敲降lncRNA NEAT1组、空载体组、过表达lncRNA NEAT1组处理同1.4,过表达lncRNA NEAT1+LY294002组细胞转染pcDNA3.1-lncRNA NEAT1后,加入10 μmol/L PI3K通路抑制剂LY294002处理。培养48 h后用不含EDTA的胰蛋白酶对贴壁细胞进行消化并于室温下孵育,制备细胞悬浮液。取5×104个细胞,加入缓冲液悬浮细胞并转移至流式管中,然后加入5 μl Annexin V-FITC混匀,于室温避光条件下孵育15 min,上机前5 min加入5 μl PI进行染色,采用流式细胞仪检测细胞凋亡情况。实验重复3次,结果取平均值。
使用SPSS 22.0和GraphPad Prism 8软件进行统计分析和制图。计量资料经正态性检验,符合正态分布者以$\bar{x}±s$表示,多组间比较采用单因素方差分析,进一步两两比较采用LSD-t检验;不符合正态分布者以M(Q1Q3)表示,组间比较采用Mann-Whitney U检验。P<0.05为差异有统计学意义。
qRT-PCR检测结果显示,0、5、10、20 μmol/L Aβ25-35作用24 h后,PC12细胞中lncRNA NEAT1相对表达水平降低(依次为0.90±0.05、0.67±0.07、0.53±0.03、0.34±0.09),且呈浓度依赖性(F=110.51,P=0.001,图1A)。与对照组(0.99±0.10)相比,5 μmol/L Aβ25-35作用PC12细胞24、48、72 h后,lncRNA NEAT1相对表达水平随着时间延长而降低(依次为0.49±0.05、0.27±0.05、0.18±0.05),差异有统计学意义(F=109.42,P=0.002,图1B)。根据图1A的结果,20 μmol/L Aβ25-35处理24 h后,lncRNA NEAT1的表达最低,建模效果最好。因此,选择20 μmol/L Aβ25-35进行后续实验。
qRT-PCR检测结果如图2所示,与对照组(0.93±0.09)相比,空载体组(0.54±0.12)与si-NC组(0.52±0.09)lncRNA NEAT1相对表达水平明显降低(P=0.008,P=0.001);与空载体组相比,过表达lncRNA NEAT1组lncRNA NEAT1相对表达水平增高(2.21±0.16,P=0.001);与si-NC组相比,敲降lncRNA NEAT1组lncRNA NEAT1相对表达水平降低(0.23±0.02,P=0.000),表明lncRNA NEAT1的过表达和敲降载体构建成功,可用于后续实验。
CCK-8法检测结果显示,与对照组(116.33%±5.51%)相比,Aβ25-35刺激后,空载体组(53.85%±5.57%)与si-NC组(55.18%±8.50%)细胞增殖率明显降低(P=0.000,P=0.000);与空载体组相比,过表达lncRNA NEAT1组细胞增殖率明显增高(142.85%±5.00%,P=0.013);与si-NC组相比,敲降lncRNA NE AT1组细胞增殖率明显降低(21.18%±4.93%,P=0.003,图3)。
流式细胞术检测结果显示,与对照组(4.50%±0.10%)相比,Aβ25-35刺激后,空载体组(8.10%±0.10%)与si-NC组(7.40%±0.26%)细胞凋亡率明显升高(P=0.001,P=0.001);与空载体组相比,过表达lncRNA NEAT1组细胞凋亡率降低(5.07%±0.15%,P=0.012);与si-NC组相比,敲降lncRNA NEAT1组细胞凋亡率明显升高(14.70%±0.20%,P=0.000,图4)。
流式细胞术检测结果显示,与对照组(G1期:60.15%±1.00%;G2期:6.56%±0.95%)相比,Aβ25-35刺激后,空载体组(G1期:61.81%±1.53%;G2期:9.81%±1.53%)与si-NC组(G1期:60.15%±4.58%;G2期:10.70%±0.73%)G1和G2期细胞比例差异无统计学意义(P>0.05);与对照组和空载体组相比,过表达lncRNA NEAT1组G1期(52.15%±1.00%)细胞比例明显降低(P=0.001,P=0.003),G2期(21.15%±1.00%)细胞比例明显升高(P=0.000,P=0.001);与si-NC组相比,敲降lncRNA NEAT1组G1期(68.81%±1.53%)细胞比例明显升高(P=0.012),G2期(5.48%±1.53%)细胞比例明显降低(P=0.021,图5)。
ELISA检测结果显示,与对照组相比,Aβ25-35刺激后,空载体组和si-NC组细胞上清中IL-1β、IL-6、IL-18、TNF-α水平明显升高(P<0.05);与空载体组相比,过表达lncRNA NEAT1组细胞上清中IL-1β、IL-6、IL-18、TNF-α水平明显降低(P<0.05);与si-NC组相比,敲降lncRNA NEAT1组细胞上清中IL-1β、IL-6、IL-18、TNF-α水平明显升高(P<0.05,表1)。
Western blotting检测结果显示,与对照组相比,Aβ25-35刺激后,空载体组信号通路相关蛋白p-PI3K、p-Akt相对表达水平明显下降(p-PI3K:0.15±0.02 vs. 1.02±0.05,P=0.005;p-Akt:0.11±0.04 vs. 0.95±0.07,P=0.000);与空载体组相比,过表达lncRNA NEAT1组(p-PI3K:0.86±0.05;p-Akt:0.86±0.06)信号通路相关蛋白p-PI3K、p-Akt相对表达水平明显增高(P=0.003,P=0.000,图6)。
为了证实PI3K/Akt通路与AD模型细胞凋亡的关系,向Aβ25-35处理的PC12细胞中分别加入pcDNA3.1-lncRNA NEAT1与pcDNA3.1-lncRNA NEAT1+LY294002,使用流式细胞术检测AD模型细胞凋亡情况。结果显示,与对照组相比,Aβ25-35刺激后,空载体组细胞凋亡率明显升高(8.20%±0.26%vs. 4.4%±0.21%,P=0.002);与空载体组相比,过表达lncRNA NEAT1组细胞凋亡率明显降低(5.13%±0.21%,P=0.011);与过表达lncRNA NEAT1组相比,过表达lncRNA NEAT1+LY294002组细胞凋亡率明显升高(9.00%±0.10%,P=0.004,图7)。
AD是一种不可逆的进行性、持续性神经退行性疾病,影响大脑皮质和海马的广泛区域,也是最常见的痴呆类型(60%~80%)[8]。Aβ过量产生被认为是AD患者突触和神经元丢失的主要原因。AD的病因非常复杂,目前其分子病理机制尚不清楚[9]。为此,本研究建立了体外神经细胞损伤模型,为lncRNA NEAT1抑制Aβ25-35诱导的PC12细胞神经毒性提供了理论依据。
lncRNA NEAT1的表达变化与疾病进展密切相关,有研究发现,其可通过上调成纤维细胞生长因子(FGF9)而促进卵巢癌细胞(OC)增殖和人脐静脉内皮细胞(HUVEC)的血管生成[10]。lncRNA NEAT1与细胞凋亡也密切相关。有研究发现,敲除lncRNA NEAT1可显著抑制肝癌细胞的活力,促进细胞凋亡,并抑制细胞的迁移和侵袭[11];在脓毒症诱导的急性肺损伤(ALI)中,过表达lncRNA NEAT1可促进WI-38细胞凋亡[12]。此外,敲低lncRNA NEAT1可减轻脑缺血再灌注损伤引起的细胞凋亡[13];下调lncRNA NEAT1可抑制表皮生长因子受体(EGFR)的表达,促进肝癌细胞凋亡[14]。本研究发现,lncRNA NEAT1在Aβ25-35刺激后的PC12细胞中呈低表达,且过表达lncRNA NEAT1后,AD模型细胞凋亡率明显降低,而敲降lncRNA NEAT1的表达时,AD模型细胞凋亡率升高。另有研究发现,沉默lncRNA NEAT1可导致视网膜母细胞瘤(RB)细胞周期发生停滞,阻止视网膜母细胞瘤的发展[15]。本研究发现,过表达lncRNA NEAT1可促进AD模型细胞由G1期快速进入G2期,激发了细胞周期的进展;而敲降lncRNA NEAT1时,G1期细胞比例明显高于对照组,G2期细胞比例明显降低,表明敲降lncRNA NEAT1可使更多的AD模型细胞停留在G1期,阻止细胞进入G2期,造成了细胞周期的停滞。
已知lncRNA NEAT1可调控AD细胞的增殖和凋亡,但其具体作用机制尚不明确。有研究发现,在HeLa细胞中,敲降lncRNA NEAT1会抑制p-Akt、p-PI3K的表达[16]。另有研究发现,lncRNA NEAT1可通过影响miR-211/PI3K/Akt轴调节脓毒症的炎症反应[17]。由此可见,在疾病发展过程中,lncRNA NEAT1与PI3K/Akt信号通路密切相关。为了进一步验证lncRNA NEAT1对AD模型细胞凋亡的调控机制,本研究将lncRNA NEAT1进行高表达处理,利用Western blotting检测PI3K/Akt信号通路相关蛋白的表达,结果发现lncRNA NEAT1过表达可增加AD模型细胞中p-PI3K、p-Akt的表达,抑制Aβ25-35诱导的细胞凋亡,而加入PI3K通路抑制剂后则可逆转上述效果,证实lncRNA NEAT1可通过调控PI3K/Akt信号通路的活性而影响AD模型细胞的凋亡。
综上所述,本研究结果表明,Aβ25-35刺激后,PC12细胞中lncRNA NEAT1的表达明显降低;而过表达lncRNA NEAT1可明显抑制Aβ25-35诱导的细胞凋亡和炎症反应,lncRNA NEAT1可能通过激活PI3K/Akt信号通路而激活AD模型细胞的炎症反应,促进AD的进展。但该结论未在动物体内进行验证,后续将建立AD小鼠模型,以进一步探索lncRNA NEAT1对AD发生发展的影响。
  • 济宁医学院教师科研扶持基金(JYFC2019FKJ032)
参考文献 引证文献
排序方式:
[1]
J Zhang J, Zheng B, Gao A, et al. A 3D densely connected convolution neural network with connection-wise attention mechanism for Alzheimer's disease classification[J]. Magn Reson Imaging, 2021, 78: 119-126.
[2]
Xiao HX, Li T, Peng F, et al. The molecular mechanism of autophagy and its research progress in neurodegenerative diseases[J]. Med J Chin PLA, 2019, 44(4): 341-346.
[肖昊翔, 李天, 彭帆, 等. 自噬在神经退行性疾病中的作用研究进展[J]. 解放军医学杂志, 2019, 44(4): 341-346.]
[3]
Yang A, Liu C, Wu J, et al. A review on α-mangostin as a potential multi-target-directed ligand for Alzheimer's disease[J]. Eur J Pharmacol, 2021, 897: 173950.
[4]
Lim KH, Kim SH, Yang S, et al. Advances in multiplex PCR for Alzheimer's disease diagnostics targeting CDK genes[J]. Neurosci Lett, 2021, 749: 135715.
[5]
Li L, Xu Y, Zhao M, et al. Neuro-protective roles of long non-coding RNA MALAT1 in Alzheimer's disease with the involvement of the microRNA-30b/CNR1 network and the following PI3K/Akt activation[J]. Exp Mol Pathol, 2020, 117: 104545.
[6]
Ke S, Yang Z, Yang F, et al. Long noncoding RNA NEAT1 aggravates Aβ-induced neuronal damage by targeting miR-107 in Alzheimer's disease[J]. Yonsei Med J, 2019, 60(7): 640-650.
[7]
Zhang P, Cao L, Zhou R, et al. The lncRNA Neat1 promotes activation of inflammasomes in macrophages[J]. Nat Commun, 2019, 10(1): 1495.
[8]
Yepes M. The plasminogen activating system in the pathogenesis of Alzheimer's disease[J]. Neural Regen Res, 2021, 16(10): 1973-1977.
[9]
Ding Y, Zhong Y, Baldeshwiler A, et al. Protecting P-glycoprotein at the blood-brain barrier from degradation in an Alzheimer's disease mouse model[J]. Fluids Barriers CNS, 2021, 18(1): 10.
[10]
Yuan J, Yi K, Yang L. LncRNA NEAT1 promotes proliferation of ovarian cancer cells and angiogenesis of co-incubated human umbilical vein endothelial cells by regulating FGF9 through sponging miR-365: An experimental study[J]. Medicine(Baltimore), 2021, 100(3): e23423.
[11]
Zhang Y, Huang C, Zhu Z, et al. lncRNA NEAT1 regulates the proliferation and migration of hepatocellular carcinoma cells by acting as a miR-320a molecular sponge and targeting L antigen family member 3[J]. Int J Oncol, 2020, 57(4): 1001-1012.
[12]
Chen C, Zhang H, Ge M, et al. LncRNA NEAT1 acts as a key regulator of cell apoptosis and inflammatory response by the miR-944/TRIM37 axis in acute lung injury[J]. J Pharmacol Sci, 2021, 145(2): 202-212.
[13]
Ni X, Su Q, Xia W, et al. Knockdown lncRNA NEAT1 regulates the activation of microglia and reduces Akt signaling and neuronal apoptosis after cerebral ischemic reperfusion[J]. Sci Rep, 2020, 10(1): 19658.
[14]
Kou JT, Ma J, Zhu JQ, et al. LncRNA NEAT1 regulates proliferation, apoptosis and invasion of liver cancer[J]. Eur Rev Med Pharmacol Sci, 2020, 24(8): 4152-4160.
[15]
Chen X, Zhao S, Li Q, et al. LncRNA NEAT1 knockdown inhibits retinoblastoma progression by miR-3619-5p/LASP1 axis[J]. Front Genet, 2020, 11: 574145.
[16]
Guo HM, Yang SH, Zhao SZ, et al. LncRNA NEAT1 regulates cervical carcinoma proliferation and invasion by targeting Akt/PI3K[J]. Eur Rev Med Pharmacol Sci, 2018, 22(13): 4090-4097.
[17]
Xia D, Yao R, Zhou P, et al. LncRNA NEAT1 reversed the hindering effects of miR-495-3p/STAT3 axis and miR-211/PI3K/Akt axis on sepsis-relevant inflammation[J]. Mol Immunol, 2020, 117: 168-179.
2021年第46卷第12期
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doi: 10.11855/j.issn.0577-7402.2021.12.04
  • 接收时间:2021-06-16
  • 首发时间:2025-12-18
  • 出版时间:2021-12-28
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  • 收稿日期:2021-06-16
  • 修回日期:2021-10-09
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Supporting Fund for Teachers' Research of Jining Medical College(JYFC2019FKJ032)
济宁医学院教师科研扶持基金(JYFC2019FKJ032)
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    济宁医学院济宁市精神病防治院,山东济宁 272051
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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