Laminin Coating Promotes Calcium Phosphate Precipitation on Titanium Discs in vitro
Identifieur interne : 000779 ( Pmc/Checkpoint ); précédent : 000778; suivant : 000780Laminin Coating Promotes Calcium Phosphate Precipitation on Titanium Discs in vitro
Auteurs : Kostas Bougas ; Victoria Franke Stenport ; Fredrik Currie ; Ann WennerbergSource :
- Journal of Oral & Maxillofacial Research [ 2029-283X ] ; 2012.
Abstract
The objective of this study was to investigate the effect of a laminin coating on calcium phosphate precipitation on three potentially bioactive titanium surfaces in simulated body fluid.
Blasted titanium discs were prepared by alkali and heat treatment (AH), anodic oxidation (AO) or hydroxyapatite coating (HA) and subsequently coated with laminin. A laminin coated blasted surface (B) served as a positive control while a blasted non coated (B-) served as a negative control. Surface morphology was examined by Scanning Electron Microscopy (SEM). The analysis of the precipitated calcium and phosphorous was performed by Energy Dispersive X-ray Spectroscopy (EDX).
The thickness of the laminin coating was estimated at 26 Å by ellipsometry. Interferometry revealed that the coating process did not affect any of the tested topographical parameters on µm level when comparing B to B-. After 2 weeks of incubation in SBF, the alkali-heat treated discs displayed the highest calcium phosphate deposition and the B group showed higher levels of calcium phosphate than the B- group.
Our results suggest that laminin may have the potential to be used as a
coating agent in order to enhance the osseoinductive performance of
biomaterial surfaces, with the protein molecules possibly functioning as
nucleation centres for apatite formation. Nevertheless,
Url:
DOI: 10.5037/jomr.2011.2405
PubMed: 24422002
PubMed Central: 3886082
Affiliations:
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<affiliation><nlm:aff id="aff1"><institution>Department of Prosthodontics, Faculty of Odontology, Malmö University</institution>
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<affiliation><nlm:aff id="aff4"><institution>Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg</institution>
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<author><name sortKey="Currie, Fredrik" sort="Currie, Fredrik" uniqKey="Currie F" first="Fredrik" last="Currie">Fredrik Currie</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Laminin Coating Promotes Calcium Phosphate Precipitation on Titanium Discs <italic>in vitro</italic>
</title>
<author><name sortKey="Bougas, Kostas" sort="Bougas, Kostas" uniqKey="Bougas K" first="Kostas" last="Bougas">Kostas Bougas</name>
<affiliation><nlm:aff id="aff1"><institution>Department of Prosthodontics, Faculty of Odontology, Malmö University</institution>
<addr-line>Malmö</addr-line>
<country>Sweden.</country>
</nlm:aff>
<wicri:noCountry code="nlm country">Sweden.</wicri:noCountry>
</affiliation>
<affiliation><nlm:aff id="aff4"><institution>Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg</institution>
<addr-line>Gothenburg</addr-line>
<country>Sweden.</country>
</nlm:aff>
<wicri:noCountry code="nlm country">Sweden.</wicri:noCountry>
</affiliation>
</author>
<author><name sortKey="Stenport, Victoria Franke" sort="Stenport, Victoria Franke" uniqKey="Stenport V" first="Victoria Franke" last="Stenport">Victoria Franke Stenport</name>
<affiliation><nlm:aff id="aff2"><institution>Department of Prosthodontics, Faculty of Odontology, Sahlgrenska Academy, University of Gothenburg</institution>
<addr-line>Gothenburg</addr-line>
<country>Sweden.</country>
</nlm:aff>
<wicri:noCountry code="nlm country">Sweden.</wicri:noCountry>
</affiliation>
<affiliation><nlm:aff id="aff4"><institution>Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg</institution>
<addr-line>Gothenburg</addr-line>
<country>Sweden.</country>
</nlm:aff>
<wicri:noCountry code="nlm country">Sweden.</wicri:noCountry>
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<author><name sortKey="Currie, Fredrik" sort="Currie, Fredrik" uniqKey="Currie F" first="Fredrik" last="Currie">Fredrik Currie</name>
<affiliation><nlm:aff id="aff3"><institution>Promimic AB</institution>
<addr-line>Gothenburg</addr-line>
<country>Sweden.</country>
</nlm:aff>
<wicri:noCountry code="nlm country">Sweden.</wicri:noCountry>
</affiliation>
</author>
<author><name sortKey="Wennerberg, Ann" sort="Wennerberg, Ann" uniqKey="Wennerberg A" first="Ann" last="Wennerberg">Ann Wennerberg</name>
<affiliation><nlm:aff id="aff1"><institution>Department of Prosthodontics, Faculty of Odontology, Malmö University</institution>
<addr-line>Malmö</addr-line>
<country>Sweden.</country>
</nlm:aff>
<wicri:noCountry code="nlm country">Sweden.</wicri:noCountry>
</affiliation>
<affiliation><nlm:aff id="aff4"><institution>Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg</institution>
<addr-line>Gothenburg</addr-line>
<country>Sweden.</country>
</nlm:aff>
<wicri:noCountry code="nlm country">Sweden.</wicri:noCountry>
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<series><title level="j">Journal of Oral & Maxillofacial Research</title>
<idno type="eISSN">2029-283X</idno>
<imprint><date when="2012">2012</date>
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<front><div type="abstract" xml:lang="en"><title>ABSTRACT</title>
<sec sec-type="objectives"><title>Objectives</title>
<p>The objective of this study was to investigate the effect of a laminin
coating on calcium phosphate precipitation on three potentially bioactive
titanium surfaces in simulated body fluid. </p>
</sec>
<sec sec-type="material and methods"><title>Material and Methods</title>
<p>Blasted titanium discs were prepared by alkali and heat treatment (AH),
anodic oxidation (AO) or hydroxyapatite coating (HA) and subsequently coated
with laminin. A laminin coated blasted surface (B) served as a positive
control while a blasted non coated (B-) served as a negative control.
Surface morphology was examined by Scanning Electron Microscopy (SEM). The
analysis of the precipitated calcium and phosphorous was performed by Energy
Dispersive X-ray Spectroscopy (EDX).</p>
</sec>
<sec sec-type="results"><title>Results</title>
<p>The thickness of the laminin coating was estimated at 26 Å by ellipsometry.
Interferometry revealed that the coating process did not affect any of the
tested topographical parameters on µm level when comparing B to B-. After 2
weeks of incubation in SBF, the alkali-heat treated discs displayed the
highest calcium phosphate deposition and the B group showed higher levels of
calcium phosphate than the B- group.</p>
</sec>
<sec sec-type="conclusions"><title>Conclusions</title>
<p>Our results suggest that laminin may have the potential to be used as a
coating agent in order to enhance the osseoinductive performance of
biomaterial surfaces, with the protein molecules possibly functioning as
nucleation centres for apatite formation. Nevertheless, <italic>in vivo</italic>
studies are
required in order to clarify the longevity of the coating and its
performance in the complex biological environment.</p>
</sec>
</div>
</front>
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</TEI>
<pmc article-type="research-article"><pmc-dir>properties open_access</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-ta">J Oral Maxillofac Res</journal-id>
<journal-id journal-id-type="iso-abbrev">J Oral Maxillofac Res</journal-id>
<journal-id journal-id-type="publisher-id">JORM</journal-id>
<journal-title-group><journal-title>Journal of Oral & Maxillofacial Research</journal-title>
</journal-title-group>
<issn pub-type="epub">2029-283X</issn>
<publisher><publisher-name>Stilus Optimus</publisher-name>
<publisher-loc>Kaunas, Lithuania</publisher-loc>
</publisher>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">24422002</article-id>
<article-id pub-id-type="pmc">3886082</article-id>
<article-id pub-id-type="publisher-id">v2n4e5ht</article-id>
<article-id pub-id-type="doi">10.5037/jomr.2011.2405</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Original Paper</subject>
</subj-group>
</article-categories>
<title-group><article-title>Laminin Coating Promotes Calcium Phosphate Precipitation on Titanium Discs <italic>in vitro</italic>
</article-title>
</title-group>
<contrib-group><contrib id="contrib1" contrib-type="author" corresp="yes"><name><surname>Bougas</surname>
<given-names>Kostas</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
<xref ref-type="aff" rid="aff4">4</xref>
</contrib>
<contrib id="contrib2" contrib-type="author"><name><surname>Stenport</surname>
<given-names>Victoria Franke</given-names>
</name>
<xref ref-type="aff" rid="aff2">2</xref>
<xref ref-type="aff" rid="aff4">4</xref>
</contrib>
<contrib id="contrib3" contrib-type="author"><name><surname>Currie</surname>
<given-names>Fredrik</given-names>
</name>
<xref ref-type="aff" rid="aff3">3</xref>
</contrib>
<contrib id="contrib4" contrib-type="author"><name><surname>Wennerberg</surname>
<given-names>Ann</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
<xref ref-type="aff" rid="aff4">4</xref>
</contrib>
</contrib-group>
<aff id="aff1" rid="aff1"><sup>1</sup>
<institution>Department of Prosthodontics, Faculty of Odontology, Malmö University</institution>
<addr-line>Malmö</addr-line>
<country>Sweden.</country>
</aff>
<aff id="aff2" rid="aff2"><sup>2</sup>
<institution>Department of Prosthodontics, Faculty of Odontology, Sahlgrenska Academy, University of Gothenburg</institution>
<addr-line>Gothenburg</addr-line>
<country>Sweden.</country>
</aff>
<aff id="aff3" rid="aff3"><sup>3</sup>
<institution>Promimic AB</institution>
<addr-line>Gothenburg</addr-line>
<country>Sweden.</country>
</aff>
<aff id="aff4" rid="aff4"><sup>4</sup>
<institution>Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg</institution>
<addr-line>Gothenburg</addr-line>
<country>Sweden.</country>
</aff>
<author-notes><corresp>Kostas Bougas,
<institution>Department of Prosthodontics, Faculty of Odontology, Malmö
University</institution>
<addr-line>205 06 Malmö</addr-line>
<country>Sweden</country>
<phone>+46 40 6658520</phone>
Fax: +46 40 6658503<email>kostas.bougas@mah.se</email>
</corresp>
</author-notes>
<pub-date pub-type="collection"><season>Oct-Dec</season>
<year>2011</year>
</pub-date>
<pub-date pub-type="epub"><day>1</day>
<month>1</month>
<year>2012</year>
</pub-date>
<volume>2</volume>
<issue>4</issue>
<elocation-id>e5</elocation-id>
<history><date date-type="received"><day>25</day>
<month>8</month>
<year>2011</year>
</date>
<date date-type="accepted"><day>16</day>
<month>9</month>
<year>2011</year>
</date>
</history>
<permissions><copyright-statement> Copyright © Bougas K, Stenport VF, Tengvall P, Currie F,
Wennerberg A. Published in the JOURNAL OF ORAL &
MAXILLOFACIAL RESEARCH (http://www.ejomr.org), 1 January 2012.</copyright-statement>
<copyright-year>2011</copyright-year>
<license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by-nc-nd/3.0/"><license-p>This is an open-access article, first published in the JOURNAL OF
ORAL & MAXILLOFACIAL RESEARCH, distributed under the terms of the
Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported
License (<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by-nc-nd/3.0/">http://creativecommons.org/licenses/by-nc-nd/3.0/</ext-link>
), which permits unrestricted non-commercial use, distribution, and
reproduction in any medium, provided the original work and is properly
cited. The copyright, license information and link to the original
publication on <ext-link ext-link-type="uri" xlink:href="http://www.ejomr.org">http://www.ejomr.org</ext-link>
must be included.</license-p>
</license>
</permissions>
<self-uri xlink:type="simple" xlink:href="http://www.ejomr.org/JOMR/archives/2011/4/e5/v2n4e5ht.htm"></self-uri>
<abstract><title>ABSTRACT</title>
<sec sec-type="objectives"><title>Objectives</title>
<p>The objective of this study was to investigate the effect of a laminin
coating on calcium phosphate precipitation on three potentially bioactive
titanium surfaces in simulated body fluid. </p>
</sec>
<sec sec-type="material and methods"><title>Material and Methods</title>
<p>Blasted titanium discs were prepared by alkali and heat treatment (AH),
anodic oxidation (AO) or hydroxyapatite coating (HA) and subsequently coated
with laminin. A laminin coated blasted surface (B) served as a positive
control while a blasted non coated (B-) served as a negative control.
Surface morphology was examined by Scanning Electron Microscopy (SEM). The
analysis of the precipitated calcium and phosphorous was performed by Energy
Dispersive X-ray Spectroscopy (EDX).</p>
</sec>
<sec sec-type="results"><title>Results</title>
<p>The thickness of the laminin coating was estimated at 26 Å by ellipsometry.
Interferometry revealed that the coating process did not affect any of the
tested topographical parameters on µm level when comparing B to B-. After 2
weeks of incubation in SBF, the alkali-heat treated discs displayed the
highest calcium phosphate deposition and the B group showed higher levels of
calcium phosphate than the B- group.</p>
</sec>
<sec sec-type="conclusions"><title>Conclusions</title>
<p>Our results suggest that laminin may have the potential to be used as a
coating agent in order to enhance the osseoinductive performance of
biomaterial surfaces, with the protein molecules possibly functioning as
nucleation centres for apatite formation. Nevertheless, <italic>in vivo</italic>
studies are
required in order to clarify the longevity of the coating and its
performance in the complex biological environment.</p>
</sec>
</abstract>
<kwd-group><kwd>laminin</kwd>
<kwd>titanium</kwd>
<kwd>biomaterials</kwd>
<kwd>calcium phosphates</kwd>
<kwd>dental implants</kwd>
<kwd>osseointegration.</kwd>
</kwd-group>
</article-meta>
</front>
</pmc>
<affiliations><list></list>
<tree><noCountry><name sortKey="Bougas, Kostas" sort="Bougas, Kostas" uniqKey="Bougas K" first="Kostas" last="Bougas">Kostas Bougas</name>
<name sortKey="Currie, Fredrik" sort="Currie, Fredrik" uniqKey="Currie F" first="Fredrik" last="Currie">Fredrik Currie</name>
<name sortKey="Stenport, Victoria Franke" sort="Stenport, Victoria Franke" uniqKey="Stenport V" first="Victoria Franke" last="Stenport">Victoria Franke Stenport</name>
<name sortKey="Wennerberg, Ann" sort="Wennerberg, Ann" uniqKey="Wennerberg A" first="Ann" last="Wennerberg">Ann Wennerberg</name>
</noCountry>
</tree>
</affiliations>
</record>
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