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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">An ectopic study of apatite-coated silk fibroin scaffolds seeded with AdBMP-2 modified canine bMSCs</title>
<author><name sortKey="Lu, Kaige" sort="Lu, Kaige" uniqKey="Lu K" first="Kaige" last="Lü">Kaige Lü</name>
<affiliation><nlm:aff id="A1">Department of Prosthodontics, College of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Stomatology Shanghai, 200011, China</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Xu, Ling" sort="Xu, Ling" uniqKey="Xu L" first="Ling" last="Xu">Ling Xu</name>
<affiliation><nlm:aff id="A1">Department of Prosthodontics, College of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Stomatology Shanghai, 200011, China</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Xia, Lunguo" sort="Xia, Lunguo" uniqKey="Xia L" first="Lunguo" last="Xia">Lunguo Xia</name>
<affiliation><nlm:aff id="A2">Department of Oral and Maxillofacial Surgery, College of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Zhang, Yilin" sort="Zhang, Yilin" uniqKey="Zhang Y" first="Yilin" last="Zhang">Yilin Zhang</name>
<affiliation><nlm:aff id="A1">Department of Prosthodontics, College of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Stomatology Shanghai, 200011, China</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Zhang, Xiuli" sort="Zhang, Xiuli" uniqKey="Zhang X" first="Xiuli" last="Zhang">Xiuli Zhang</name>
<affiliation><nlm:aff id="A3">Shanghai Research Institute of Stomatology, Shanghai Key Laboratory of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Kaplan, David L" sort="Kaplan, David L" uniqKey="Kaplan D" first="David L." last="Kaplan">David L. Kaplan</name>
<affiliation><nlm:aff id="A4">Department of Biomedical Engineering, Tufts University, Massachusetts 02155, USA</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Jiang, Xinquan" sort="Jiang, Xinquan" uniqKey="Jiang X" first="Xinquan" last="Jiang">Xinquan Jiang</name>
<affiliation><nlm:aff id="A1">Department of Prosthodontics, College of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Stomatology Shanghai, 200011, China</nlm:aff>
</affiliation>
<affiliation><nlm:aff id="A3">Shanghai Research Institute of Stomatology, Shanghai Key Laboratory of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Zhang, Fuqiang" sort="Zhang, Fuqiang" uniqKey="Zhang F" first="Fuqiang" last="Zhang">Fuqiang Zhang</name>
<affiliation><nlm:aff id="A1">Department of Prosthodontics, College of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Stomatology Shanghai, 200011, China</nlm:aff>
</affiliation>
</author>
</titleStmt>
<publicationStmt><idno type="wicri:source">PMC</idno>
<idno type="pmid">21294971</idno>
<idno type="pmc">3406182</idno>
<idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3406182</idno>
<idno type="RBID">PMC:3406182</idno>
<idno type="doi">10.1163/092050610X552861</idno>
<date when="2011">2011</date>
<idno type="wicri:Area/Pmc/Corpus">002754</idno>
<idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">002754</idno>
</publicationStmt>
<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">An ectopic study of apatite-coated silk fibroin scaffolds seeded with AdBMP-2 modified canine bMSCs</title>
<author><name sortKey="Lu, Kaige" sort="Lu, Kaige" uniqKey="Lu K" first="Kaige" last="Lü">Kaige Lü</name>
<affiliation><nlm:aff id="A1">Department of Prosthodontics, College of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Stomatology Shanghai, 200011, China</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Xu, Ling" sort="Xu, Ling" uniqKey="Xu L" first="Ling" last="Xu">Ling Xu</name>
<affiliation><nlm:aff id="A1">Department of Prosthodontics, College of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Stomatology Shanghai, 200011, China</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Xia, Lunguo" sort="Xia, Lunguo" uniqKey="Xia L" first="Lunguo" last="Xia">Lunguo Xia</name>
<affiliation><nlm:aff id="A2">Department of Oral and Maxillofacial Surgery, College of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Zhang, Yilin" sort="Zhang, Yilin" uniqKey="Zhang Y" first="Yilin" last="Zhang">Yilin Zhang</name>
<affiliation><nlm:aff id="A1">Department of Prosthodontics, College of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Stomatology Shanghai, 200011, China</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Zhang, Xiuli" sort="Zhang, Xiuli" uniqKey="Zhang X" first="Xiuli" last="Zhang">Xiuli Zhang</name>
<affiliation><nlm:aff id="A3">Shanghai Research Institute of Stomatology, Shanghai Key Laboratory of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Kaplan, David L" sort="Kaplan, David L" uniqKey="Kaplan D" first="David L." last="Kaplan">David L. Kaplan</name>
<affiliation><nlm:aff id="A4">Department of Biomedical Engineering, Tufts University, Massachusetts 02155, USA</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Jiang, Xinquan" sort="Jiang, Xinquan" uniqKey="Jiang X" first="Xinquan" last="Jiang">Xinquan Jiang</name>
<affiliation><nlm:aff id="A1">Department of Prosthodontics, College of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Stomatology Shanghai, 200011, China</nlm:aff>
</affiliation>
<affiliation><nlm:aff id="A3">Shanghai Research Institute of Stomatology, Shanghai Key Laboratory of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Zhang, Fuqiang" sort="Zhang, Fuqiang" uniqKey="Zhang F" first="Fuqiang" last="Zhang">Fuqiang Zhang</name>
<affiliation><nlm:aff id="A1">Department of Prosthodontics, College of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Stomatology Shanghai, 200011, China</nlm:aff>
</affiliation>
</author>
</analytic>
<series><title level="j">Journal of Biomaterials Science. Polymer Edition</title>
<idno type="ISSN">0920-5063</idno>
<idno type="eISSN">1568-5624</idno>
<imprint><date when="2011">2011</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
</fileDesc>
<profileDesc><textClass></textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en"><p id="P1">The present study was undertaken to evaluate ectopic new bone formation effects of apatite-coated silk fibroin scaffolds (mSS) seeded with adenovirus mediated bone morphogenic protein-2 gene (AdBMP-2) transduced canine bone marrow stromal cells (bMSCs) in nude mice. In this study, bMSCs derived from canine were cultured and transduced with AdBMP-2, adenovirus mediated enhanced green fluorescent protein gene (AdEGFP) in vitro. Osteogenic differentiation of bMSCs was determined by alkaline phosphatase (ALP) activity analysis, and the transcript levels for BMP-2, osteopontin (OPN), osteocalcin (OCN) and bone sialoprotein (BSP) genes via real-time quantitative PCR (RT-qPCR) analysis. The ectopic bone formation effects of mSS seeded with AdBMP-2 modified bMSCs were evaluated through histological and histomorphological analysis 4, 8 and 12 weeks post-operation in nude mice. ALP activity was statistically increased in AdBMP-2 group, when compared with control groups. The mRNA expression of BMP-2, OPN, OCN and BSP also statistically up-regulated 6, 9 days after AdBMP-2 transduction. Significantly higher bone volume was achieved in AdBMP-2-transduced bMSCs/mSS constructs than that of AdEGFP-transduced bMSCs/mSS or bMSCs/mSS groups at 4, 8 and 12 weeks (<italic>P</italic>
<0.01). These results demonstrated that mSS seeded with AdBMP-2-transduced canine bMSCs can promote ectopic new bone formation and maturation in nude mice suggesting the potential of this silk scaffold based tissue engineered bone for further bone regeneration studies in canine models.</p>
</div>
</front>
</TEI>
<pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<pmc-dir>properties manuscript</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-journal-id">9007393</journal-id>
<journal-id journal-id-type="pubmed-jr-id">1839</journal-id>
<journal-id journal-id-type="nlm-ta">J Biomater Sci Polym Ed</journal-id>
<journal-id journal-id-type="iso-abbrev">J Biomater Sci Polym Ed</journal-id>
<journal-title-group><journal-title>Journal of Biomaterials Science. Polymer Edition</journal-title>
</journal-title-group>
<issn pub-type="ppub">0920-5063</issn>
<issn pub-type="epub">1568-5624</issn>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">21294971</article-id>
<article-id pub-id-type="pmc">3406182</article-id>
<article-id pub-id-type="doi">10.1163/092050610X552861</article-id>
<article-id pub-id-type="manuscript">NIHMS393151</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Article</subject>
</subj-group>
</article-categories>
<title-group><article-title>An ectopic study of apatite-coated silk fibroin scaffolds seeded with AdBMP-2 modified canine bMSCs</article-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>Lü</surname>
<given-names>Kaige</given-names>
</name>
<xref ref-type="aff" rid="A1">1</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Xu</surname>
<given-names>Ling</given-names>
</name>
<xref ref-type="aff" rid="A1">1</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Xia</surname>
<given-names>Lunguo</given-names>
</name>
<xref ref-type="aff" rid="A2">2</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Zhang</surname>
<given-names>Yilin</given-names>
</name>
<xref ref-type="aff" rid="A1">1</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Zhang</surname>
<given-names>Xiuli</given-names>
</name>
<xref ref-type="aff" rid="A3">3</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Kaplan</surname>
<given-names>David L.</given-names>
</name>
<xref ref-type="aff" rid="A4">4</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Jiang</surname>
<given-names>Xinquan</given-names>
</name>
<xref ref-type="aff" rid="A1">1</xref>
<xref ref-type="aff" rid="A3">3</xref>
<xref rid="FN1" ref-type="author-notes">*</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Zhang</surname>
<given-names>Fuqiang</given-names>
</name>
<xref ref-type="aff" rid="A1">1</xref>
<xref rid="FN1" ref-type="author-notes">*</xref>
</contrib>
</contrib-group>
<aff id="A1"><label>1</label>
Department of Prosthodontics, College of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Stomatology Shanghai, 200011, China</aff>
<aff id="A2"><label>2</label>
Department of Oral and Maxillofacial Surgery, College of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China</aff>
<aff id="A3"><label>3</label>
Shanghai Research Institute of Stomatology, Shanghai Key Laboratory of Stomatology, Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China</aff>
<aff id="A4"><label>4</label>
Department of Biomedical Engineering, Tufts University, Massachusetts 02155, USA</aff>
<author-notes><corresp id="FN1">Corresponding authors: Fuqiang Zhang, Ph.D., Tel: 86-21-63135412 Fax: 86-21-63136856, <email>fredzc@online.sh.cn</email>
. Xinquan Jiang, Ph.D., Tel: 86-21-63135412 Fax: 86-21-63136856, <email>xinquanj@yahoo.cn</email>
</corresp>
</author-notes>
<pub-date pub-type="nihms-submitted"><day>13</day>
<month>7</month>
<year>2012</year>
</pub-date>
<pub-date pub-type="epub"><day>28</day>
<month>1</month>
<year>2011</year>
</pub-date>
<pub-date pub-type="ppub"><year>2012</year>
</pub-date>
<pub-date pub-type="pmc-release"><day>26</day>
<month>7</month>
<year>2012</year>
</pub-date>
<volume>23</volume>
<issue>1-4</issue>
<fpage>509</fpage>
<lpage>526</lpage>
<abstract><p id="P1">The present study was undertaken to evaluate ectopic new bone formation effects of apatite-coated silk fibroin scaffolds (mSS) seeded with adenovirus mediated bone morphogenic protein-2 gene (AdBMP-2) transduced canine bone marrow stromal cells (bMSCs) in nude mice. In this study, bMSCs derived from canine were cultured and transduced with AdBMP-2, adenovirus mediated enhanced green fluorescent protein gene (AdEGFP) in vitro. Osteogenic differentiation of bMSCs was determined by alkaline phosphatase (ALP) activity analysis, and the transcript levels for BMP-2, osteopontin (OPN), osteocalcin (OCN) and bone sialoprotein (BSP) genes via real-time quantitative PCR (RT-qPCR) analysis. The ectopic bone formation effects of mSS seeded with AdBMP-2 modified bMSCs were evaluated through histological and histomorphological analysis 4, 8 and 12 weeks post-operation in nude mice. ALP activity was statistically increased in AdBMP-2 group, when compared with control groups. The mRNA expression of BMP-2, OPN, OCN and BSP also statistically up-regulated 6, 9 days after AdBMP-2 transduction. Significantly higher bone volume was achieved in AdBMP-2-transduced bMSCs/mSS constructs than that of AdEGFP-transduced bMSCs/mSS or bMSCs/mSS groups at 4, 8 and 12 weeks (<italic>P</italic>
<0.01). These results demonstrated that mSS seeded with AdBMP-2-transduced canine bMSCs can promote ectopic new bone formation and maturation in nude mice suggesting the potential of this silk scaffold based tissue engineered bone for further bone regeneration studies in canine models.</p>
</abstract>
<kwd-group><kwd>bone marrow stromal cells</kwd>
<kwd>bone morphogenetic protein</kwd>
<kwd>gene therapy</kwd>
<kwd>canine</kwd>
<kwd>silk fibroin</kwd>
</kwd-group>
<funding-group><award-group><funding-source country="United States">National Institute of Biomedical Imaging and Bioengineering : NIBIB</funding-source>
<award-id>P41 EB002520 || EB</award-id>
</award-group>
</funding-group>
</article-meta>
</front>
</pmc>
</record>
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