Article(id=1220364152900603948, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1220364151428403238, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2019-0580, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1563465600000, receivedDateStr=2019-07-19, revisedDate=1567612800000, revisedDateStr=2019-09-05, acceptedDate=null, acceptedDateStr=null, onlineDate=1768887087320, onlineDateStr=2026-01-20, pubDate=1578758400000, pubDateStr=2020-01-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1768887087320, onlineIssueDateStr=2026-01-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1768887087320, creator=13701087609, updateTime=1768887087320, updator=13701087609, issue=Issue{id=1220364151428403238, tenantId=1146029695717560320, journalId=1189982191388893191, year='2020', volume='55', issue='1', pageStart='1', pageEnd='180', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1768887086970, creator=13701087609, updateTime=1768887655045, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1220366534166365022, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1220364151428403238, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1220366534166365023, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1220364151428403238, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=60, endPage=66, ext={EN=ArticleExt(id=1220364154666405944, articleId=1220364152900603948, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=Celastrol inhibits PAK1 kinase and inhibits the proliferation of pancreatic cancer cells, columnId=1190335348648547107, journalTitle=Acta Pharmaceutica Sinica, columnName=Reviews, runingTitle=null, highlight=null, articleAbstract=
The p21-activated kinase 1 (PAK1) is a member of the P21-activated protein kinase family that plays an important role in the proliferation and on cogenesis of pancreatic cancer. PAK1 is an important target for the treatment of pancreatic cancer. At present, akinase inhibitor targeting PAK1 is still in the preclinical research stage. Therefore, screening for new PAK1 kinase inhibitors is of great significance. In this study the natural compound celastrol was found to have a significant inhibitory effect on PAK1, with an IC50 value of 3.614 μmol·L-1. Molecular docking results showed that celastrol had good binding to PAK1. An MTT assay indicated that celastrol inhibited the proliferation of pancreatic cancer cells BxPC-3 and PANC-1. Mechanistic studies revealed that the inhibition of pancreatic cancer cells by celastrol was reversed by PAK1 siRNA. Celastrol inhibited PAK1 and the subsequent activation of downstream signaling pathways, thereby activating apoptosis signaling pathways and triggering apoptosis in pancreatic cancer cells. These findings suggested that celastrol induced apoptosis in pancreatic cancer cells by suppressing the PAK1 kinase signaling pathway and has potential value for the treatment of pancreatic cancer.
, correspAuthors=Peng CAO, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2020 Acta Pharmaceutica Sinica. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Ling-xia ZHU, Xiao-yan SUN, Jiao CHEN, Xue-ting CAI, Peng CAO), CN=ArticleExt(id=1220364156117635195, articleId=1220364152900603948, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=雷公藤红素通过抑制PAK1抗胰腺癌作用及其机制研究, columnId=1190335348896011050, journalTitle=药学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
P21活化蛋白激酶1(p21-activated kinases 1,PAK1)是P21活化蛋白激酶家族成员之一,在胰腺癌细胞增殖和肿瘤形成过程中起着十分重要的作用,是胰腺癌治疗的重要靶点。目前,靶向PAK1的激酶抑制剂尚处于临床前研究阶段。因此,筛选开发出新的PAK1激酶抑制剂对于胰腺癌治疗具有重要的意义。本研究发现天然产物雷公藤红素(celastrol)对PAK1具有显著的抑制作用,其IC50约为3.614 μmol·L-1。分子对接结果显示,雷公藤红素与PAK1激酶结构域的ATP结合口袋结合。MTT实验结果表明,雷公藤红素对胰腺癌细胞BxPC-3、PANC-1的增殖均具有抑制作用。进一步机制研究显示,干扰PAK1后,雷公藤红素对胰腺癌细胞BxPC-3的抑制作用发生逆转。同时,雷公藤红素可以抑制PAK1及其下游信号通路蛋白的表达,从而激活凋亡信号通路引发胰腺癌细胞发生凋亡。上述研究结果表明,雷公藤红素可以通过靶向抑制PAK1激酶信号通路诱导胰腺癌细胞的凋亡,具有用于治疗胰腺癌的潜在价值。
, correspAuthors=曹鹏, authorNote=null, correspAuthorsNote=
, copyrightStatement=版权所有©《药学学报》编辑部2020, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=5RS3aVZlmm1+W2FrJEz+Zw==, magXml=sYVjDk/YHECMLST14yYlwQ==, pdfUrl=null, pdf=w2q0jU5TJSAg0OMngAcHEg==, pdfFileSize=2680346, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=YgCoOZRHNuOSdVuqMxOqTA==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=Ux+WdUDzmexdpAD8V5+25w==, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=朱陵霞, 孙晓艳, 陈姣, 蔡雪婷, 曹鹏)}, authors=[Author(id=1220364156675477656, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1220364156767752350, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, authorId=1220364156675477656, language=EN, stringName=Ling-xia ZHU, firstName=Ling-xia, middleName=null, lastName=ZHU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1, 2, address=1.南京中医药大学附属中西医结合医院, 江苏 南京 210028, 江苏 南京 210023
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1, 2, address=1. Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing 210028, China, Nanjing University of Chinese Medicine, Nanjing 210023, China
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1, 2, address=1. Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing 210028, China, Nanjing University of Chinese Medicine, Nanjing 210023, China
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1, 2, *, address=1. Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing 210028, China, Nanjing University of Chinese Medicine, Nanjing 210023, China
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3: 857-870., articleTitle=Mitochondria, bioenergetics and apoptosis in cancer, refAbstract=null)], funds=[Fund(id=1220364167861686705, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, awardId=81873057, language=CN, fundingSource=国家自然科学基金资助项目(81873057), fundOrder=null, country=null), Fund(id=1220364167945572793, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, awardId=81973527, language=CN, fundingSource=国家自然科学基金资助项目(81973527), fundOrder=null, country=null), Fund(id=1220364168033653191, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, awardId=BE2018755, language=CN, fundingSource=江苏省社会发展——临床前沿技术项目(BE2018755), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1220364156398653576, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, xref=null, ext=[AuthorCompanyExt(id=1220364156428013705, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, companyId=1220364156398653576, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1. Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing 210028, China, Nanjing University of Chinese Medicine, Nanjing 210023, China), AuthorCompanyExt(id=1220364156448985228, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, companyId=1220364156398653576, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.南京中医药大学附属中西医结合医院, 江苏 南京 210028, 江苏 南京 210023)]), AuthorCompany(id=1220364156558037137, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, xref=null, ext=[AuthorCompanyExt(id=1220364156574814354, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, companyId=1220364156558037137, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2. School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China), AuthorCompanyExt(id=1220364156583202963, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, companyId=1220364156558037137, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2.南京中医药大学药学院, 江苏 南京 210023)])], figs=[ArticleFig(id=1220364163306672440, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, language=EN, label=null, caption=null, figureFileSmall=NYoAvjyuBYS/vrVdKd/IXg==, figureFileBig=YgCoOZRHNuOSdVuqMxOqTA==, tableContent=null), ArticleFig(id=1220364163419918653, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, language=CN, label=Figure 1, caption=
Molecular structure of celastrol (A). Celastrol inhibits p21-activated kinases 1 (PAK1) enzymatic activity in vitro (B). n = 3, x±s , figureFileSmall=NYoAvjyuBYS/vrVdKd/IXg==, figureFileBig=YgCoOZRHNuOSdVuqMxOqTA==, tableContent=null), ArticleFig(id=1220364163717714257, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, language=EN, label=null, caption=null, figureFileSmall=Tfd750c6pB5G+FFDyB3Epg==, figureFileBig=uZSxVPb44GLvJHi9X7BIkQ==, tableContent=null), ArticleFig(id=1220364163797406040, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, language=CN, label=Figure 2, caption=
Interaction models between celastrol and PAK1. A: Celastrol is bound at the interface between N-lobe and C-lobe of PAK1; B: Specific binding mode of celastrol and PAK1 , figureFileSmall=Tfd750c6pB5G+FFDyB3Epg==, figureFileBig=uZSxVPb44GLvJHi9X7BIkQ==, tableContent=null), ArticleFig(id=1220364165760340329, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, language=EN, label=null, caption=null, figureFileSmall=LaGWwH0CVSIvSFCMpePCdQ==, figureFileBig=+IqLJ6JhkB0O2QRrmm1WsQ==, tableContent=null), ArticleFig(id=1220364165861003633, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, language=CN, label=Figure 3, caption=
Celastrol inhibits PAK1 phosphorylation and its downstream signaling protein expression. A-C: Expression of PAK1 and MEK proteins was detected by Western blot at different doses of celastrol for 14 h; D-G: Expression of PAK1, cRAF and MEK1 proteins was detected by Western blot in 3 μmol·L-1 of celastrol for different reaction time. MEK: Mitogen-activated extracellular signal-regulated kinase. n = 3, x±s. *P < 0.05, **P < 0.01 vs control group , figureFileSmall=LaGWwH0CVSIvSFCMpePCdQ==, figureFileBig=+IqLJ6JhkB0O2QRrmm1WsQ==, tableContent=null), ArticleFig(id=1220364165970055541, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, language=EN, label=null, caption=null, figureFileSmall=CWm9vwt6OPSOVu6602QOvw==, figureFileBig=Z0pkyUkwrDdTa/gjEKm9dg==, tableContent=null), ArticleFig(id=1220364166037164411, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, language=CN, label=Figure 4, caption=
Celastrol inhibits proliferation of pancreatic cancer cells. A: Dose-response curves of BxPC-3 cells from 48 h MTT assays; B: Dose-response curves of PANC-1 cells from 48 h MTT assays; C: Photograph (100×) of PANC-1 and BxPC-3 cells on drug treatment after 14 h. n = 3, x±s , figureFileSmall=CWm9vwt6OPSOVu6602QOvw==, figureFileBig=Z0pkyUkwrDdTa/gjEKm9dg==, tableContent=null), ArticleFig(id=1220364166179770758, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, language=EN, label=null, caption=null, figureFileSmall=G2TyInsYWCFobFO0XgvmtA==, figureFileBig=HpdVrAXN6AEulATpGtVLXA==, tableContent=null), ArticleFig(id=1220364166293016974, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, language=CN, label=Figure 5, caption=
PAK1 interference reverses the inhibitory effect of celastrol on proliferation of pancreatic cancer cells. A: BxPC-3 cells are transfected with control siRNA and PAK1 siRNA for 48 h; B: The transfected BxPC-3 is treated with celastrol in 5 μmol·L-1 and 2.5 μmol·L-1 for 24 h. n = 3, x±s. *P < 0.05, **P < 0.01 vs normal control (N.C.) group , figureFileSmall=G2TyInsYWCFobFO0XgvmtA==, figureFileBig=HpdVrAXN6AEulATpGtVLXA==, tableContent=null), ArticleFig(id=1220364167643582880, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, language=EN, label=null, caption=null, figureFileSmall=NUe/5UHwAOYWarExeo8puw==, figureFileBig=i5fLjvao875Xt4PV1uNH5w==, tableContent=null), ArticleFig(id=1220364167727468970, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1220364152900603948, language=CN, label=Figure 6, caption=
Celastrol induces apoptosis in pancreatic cancer cells. A: Induction of apoptosis by celastrol treatment for 24 h in BxPC-3 in vitro analyzed by flowcytometry; B: Percentage of apoptosis cells of BxPC-3; C-F: Celastrol induces the expression of apoptosis-associated proteins. n = 3, x±s. *P < 0.05, **P < 0. 01, ***P < 0. 001 vs control group , figureFileSmall=NUe/5UHwAOYWarExeo8puw==, figureFileBig=i5fLjvao875Xt4PV1uNH5w==, tableContent=null)], attaches=null, journal=Journal(id=1189982048455397383, delFlag=0, nameCn=药学学报, nameEn=Acta Pharmaceutica Sinica, nameHistory1=null, nameHistory2=null, issn=0513-4870, eissn=null, cn=11-2163/R, coden=null, periodic=0, language=CN, oaType=null, ccby=null, superviseOffice=null, ownerOffice=null, pubOffice=null, editorOffice=null, officeType=null, aims=null, clcCode=null, officeProv=null, officeCity=null, officeAddr=null, officeZip=null, officeEmail=null, officePhone=null, editDirector=null, officeDirector=null, officeDirectorPhone=null, officeStaffNum=null, officeEmpNum=null, 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