Article(id=1218263337058616089, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1218263316816905068, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2016-1188, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1481644800000, receivedDateStr=2016-12-14, revisedDate=1482940800000, revisedDateStr=2016-12-29, acceptedDate=null, acceptedDateStr=null, onlineDate=1768386213792, onlineDateStr=2026-01-14, pubDate=1489248000000, pubDateStr=2017-03-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1768386213792, onlineIssueDateStr=2026-01-14, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1768386213792, creator=13701087609, updateTime=1768386213792, updator=13701087609, issue=Issue{id=1218263316816905068, tenantId=1146029695717560320, journalId=1189982191388893191, year='2017', volume='52', issue='3', pageStart='339', pageEnd='504', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1768386208967, creator=13701087609, updateTime=1768386500746, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1218264540681261791, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1218263316816905068, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1218264540685456096, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1218263316816905068, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=488, endPage=493, ext={EN=ArticleExt(id=1218263337708733287, articleId=1218263337058616089, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=Construction of the brain-targeting drug carrier through imprinting of nicotinic acetylcholine receptor
α7, columnId=null, journalTitle=Acta Pharmaceutica Sinica, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In this study, a novel brain-targeting carrier was made via conformational epitope imprinting. Acrylamide and N, N'-methylene bisacrylamide was used as carrier materials and the N-terminal epitope of nicotinic acetylcholine receptor α7 (nAchR α7) was tested as a template molecule, and the polymer nanoparticles were obtained after polymerization and template removal. The nanoparticles were investigated by particle size analyzer and transmission electron microscopy (TEM). Their targeting capabilities were investigated with a cell uptake assay in vitro and fluorescence imaging in vivo. The results suggest that the nanoparticles had a small particle size (42.1±4.3 nm) with a homogeneous distribution, and good targeting properties in vitro and in vivo. We have made the molecularly imprinted polymer nanoparticles with brain targeting capability, which represents a new tool in the treatment of brain diseases.
, correspAuthors=Chong LI, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2017 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=Xue WANG, Ya-hua WANG, Sha LIU, Chong LI), CN=ArticleExt(id=1218263339659083800, articleId=1218263337058616089, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=基于识别烟碱型乙酰胆碱受体
α7的分子印迹聚合物脑靶向载体初步研究, columnId=1190335348896011050, journalTitle=药学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
本文通过构象表位策略制备一种新型脑靶向载体系统并对其进行初步评价。以丙烯酰胺和N,N'-亚甲基双丙烯酰胺为载体材料,烟碱型乙酰胆碱受体α7的N端表位多肽为模板分子,经聚合反应及模板洗脱制备分子印迹纳米粒。通过粒度仪和透射电镜对制得的聚合物纳米粒进行表征,并通过靶细胞摄取和体内荧光活体成像实验考察其靶向性。结果表明,所得聚合物纳米粒粒径较小(42.1±4.3 nm),分布均一,能有效识别表位多肽且具有良好的体内外靶向性。本研究基于分子印迹原理设计并制备具有脑靶向性的印迹聚合物纳米载体,有望为药物脑部递送及相关疾病治疗提供新思路。
, correspAuthors=李翀, authorNote=null, correspAuthorsNote=
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α7), Keyword(id=1218968427264398271, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337058616089, language=CN, orderNo=2, keyword=分子印迹), Keyword(id=1218968427369255881, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337058616089, language=CN, orderNo=3, keyword=构象表位), Keyword(id=1218968427465724886, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337058616089, language=CN, orderNo=4, keyword=纳米粒), Keyword(id=1218968427620914156, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337058616089, language=CN, orderNo=5, keyword=脑靶向)], refs=[Reference(id=1218968431244792066, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337058616089, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=null, journalName=null, refType=null, unstructuredReference=Chen Y, Liu L. Modern methods for delivery of drugs across the blood-brain barrier[J]. Adv Drug Deliv Rev, 2012, 64:640-665., articleTitle=null, refAbstract=null), Reference(id=1218968431379009815, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337058616089, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[2], rfOrder=1, authorNames=null, journalName=null, refType=null, unstructuredReference=Patabendige A, Skinner RA, Abbott NJ. Establishment of a simplified
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α-helical assemblyand folding of a de novo designed peptide in their trigonal geometries[J]. Protein Sci, 2000, 9:1327-1333., articleTitle=null, refAbstract=null), Reference(id=1218968434256302564, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337058616089, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[15], rfOrder=14, authorNames=null, journalName=null, refType=null, unstructuredReference=Loo JA, Loo RR, Udseth HR, et al. Solvent-induced conformational changes of polypeptides probed by electrospray-ionization mass spectrometry[J]. Rapid Commun Mass Spectrom, 1991, 5:101-105., articleTitle=null, refAbstract=null), Reference(id=1218968434461823478, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337058616089, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[16], rfOrder=15, authorNames=null, journalName=null, refType=null, unstructuredReference=Mutter M, Gassmann R, Buttkus U, et al. Switch peptides:pH-induced
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β-sheet transitions of bis-amphiphilic oligopeptides[J]. Angew Chem Int Ed Engl, 1991, 30:1514-1516., articleTitle=null, refAbstract=null), Reference(id=1218968434604429828, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337058616089, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[17], rfOrder=16, authorNames=null, journalName=null, refType=null, unstructuredReference=Roccatano D, Colombo G, Fioroni M, et al. Mechanism by which 2, 2, 2-trifluoroethanol/water mixtures stabilize secon-dary-structure formation in peptides:a molecular dynamics study[J]. Proc Natl Acad Sci U S A, 2002, 99:12179-12184., articleTitle=null, refAbstract=null), Reference(id=1218968434763813395, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337058616089, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[18], rfOrder=17, authorNames=null, journalName=null, refType=null, unstructuredReference=Hoshino Y, Kodama T, Okahata Y, et al. Peptide imprinted polymer nanoparticles:a plastic antibody[J]. J Am Chem Soc, 2008, 130:15242-15243., articleTitle=null, refAbstract=null)], funds=[Fund(id=1218968431005716705, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337058616089, awardId=cstc2011jjA10095, language=CN, fundingSource=重庆市自然科学基金资助项目(cstc2011jjA10095), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1218968423028150901, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337058616089, xref=null, ext=[AuthorCompanyExt(id=1218968423040733815, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337058616089, companyId=1218968423028150901, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China), AuthorCompanyExt(id=1218968423061705339, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337058616089, companyId=1218968423028150901, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=西南大学药学院, 重庆 400716)])], figs=[ArticleFig(id=1218968427994206221, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337058616089, language=EN, label=null, caption=null, figureFileSmall=TZfkRXLDnfzhF3lBw7xMXA==, figureFileBig=rZEC3d7YFI8OnDkK1ewqfA==, tableContent=null), ArticleFig(id=1218968428136812569, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1218263337058616089, language=CN, label=Figure 1, caption=
A homology model of the bovine α7 nAChR based in a refined model of the Torpedo nAChR[12]. The N-terminal α-helix at the top is shown in red
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Circular dichroism (CD) spectrum of EFQRKLYKELVK (EFQ) peptide in 40% tetrafluoroethylene (TFE) or water at 25 ℃
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The characterization of nanoparticles (NPs). A: The particle size and distribution of NPs determined using dynamic light scattering (DLS). B: Transmission electron microscopy image of molecularly imprinted polymeric nanoparticles (MIPNPs). NIPNPs: Non-imprinted nanoparticles
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Fluorescence-polarization (FP) analysis of direct binding between NPs and FITC-labeled peptide. A: Determination of the equilibrium time required for the association of NPs with EFQ. B: Direct binding between NPs and peptides. EFQ: EFQRKLYKELVK peptide; QFR: QFREKYLEKVLK peptide
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Evaluation of in vitrotargeting ability. A: Fluorescence images of NPs uptake by bEnd.3 cells (bar=100 μm). B: Fluorescence images and of NPs uptake by A549 cells (bar=100 μm). Flow cytometric analysis of NPs uptake by bEnd.3 cells (C) and A549 cells (D). RhB/MIPNPs: RhB loaded MIPNPs
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Evaluation of in vivotargeting ability. A: In vivo NP distribution in nude mice at the indicated time points. B: Fluorescence images of major organs ex vivoat 12 h post-injection. C: Semi-quantitative results obtained using ex vivo fluorescence images
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