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Titanium alloys (AoN) and their involvement in osseointegration

Identifieur interne : 001C24 ( Pmc/Checkpoint ); précédent : 001C23; suivant : 001C25

Titanium alloys (AoN) and their involvement in osseointegration

Auteurs : Matteo Danza [Italie] ; Ilaria Zollino [Italie] ; Valentina Candotto [Italie] ; Francesca Cura [Italie] ; Francesco Carinci [Italie]

Source :

RBID : PMC:3692175

Abstract

Background:

Osseointegration is essential for a long-term successful and inflammation-free dental implant. Such a result depends on osteoblastic cells growth and differentiation at the tissue-implant interface. The aim of this study was to compare two different AoN titanium layers (GR4 and GR5) to investigate which one had a greater osteoconductive power using human osteoblasts (HOb) culture at two different time-points.

Materials and Methods:

The expression levels of some bone-related (ALPL, COL1A1, COL3A1, SPP1, RUNX2, and SPARC) were analyzed using real time reverse transcription-polymerase chain reaction (real time RT-PCR).

Results:

Real-time RT-PCR data showed that after 3 days of treatment with TiA4GR, the genes up-regulated were COL3A1, ALPL, SPP1, and RUNX2. Moreover, no difference in gene expression was noticed 4 days later. On the other hand, the genes that overexpressed after 3 days of treatment with AoN5GR were ALPL, SPP1, and RUNX2. In both cases, the expression of COL1A1 and SPARC was negatively regulated.

Conclusion:

Our data showed that both titanium surfaces led to osteoblasts recruitment, maturation, and differentiation, thus promoting osseointegration at the tissue-implant interface.


Url:
DOI: 10.4103/1735-3327.109756
PubMed: 23814585
PubMed Central: 3692175


Affiliations:


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PMC:3692175

Le document en format XML

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<p>Real-time RT-PCR data showed that after 3 days of treatment with TiA4GR, the genes up-regulated were COL3A1, ALPL, SPP1, and RUNX2. Moreover, no difference in gene expression was noticed 4 days later. On the other hand, the genes that overexpressed after 3 days of treatment with AoN5GR were ALPL, SPP1, and RUNX2. In both cases, the expression of COL1A1 and SPARC was negatively regulated.</p>
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<journal-id journal-id-type="nlm-ta">Dent Res J (Isfahan)</journal-id>
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<contrib contrib-type="author">
<name>
<surname>Danza</surname>
<given-names>Matteo</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Zollino</surname>
<given-names>Ilaria</given-names>
</name>
<xref ref-type="aff" rid="aff2">2</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Candotto</surname>
<given-names>Valentina</given-names>
</name>
<xref ref-type="aff" rid="aff2">2</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Cura</surname>
<given-names>Francesca</given-names>
</name>
<xref ref-type="aff" rid="aff3">3</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Carinci</surname>
<given-names>Francesco</given-names>
</name>
<xref ref-type="aff" rid="aff2">2</xref>
<xref ref-type="corresp" rid="cor1"></xref>
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<aff id="aff1">
<label>1</label>
Department of Oral Science, Nano and Biotechnologies, University of Chieti, Chieti, Italy</aff>
<aff id="aff2">
<label>2</label>
Department of Medical-Surgical Sciences of Communication and Behavior, Section of Maxillofacial and Plastic Surgery, University of Ferrara, Ferrara, Italy</aff>
<aff id="aff3">
<label>3</label>
Department of Histology, Embryology and Applied Biology, University of Bologna, Bologna, Italy</aff>
<author-notes>
<corresp id="cor1">
<bold>Address for correspondence:</bold>
Prof. Francesco Carinci, Department of D.M.C.C.C., Section of Maxillofacial and Plastic Surgery, University of Ferrara, Corso Giovecca 203,44100 Ferrara, Italy.
<bold>E-mail:</bold>
<email xlink:href="crc@unife.it">crc@unife.it</email>
</corresp>
</author-notes>
<pub-date pub-type="ppub">
<month>12</month>
<year>2012</year>
</pub-date>
<volume>9</volume>
<issue>Suppl 2</issue>
<fpage>S207</fpage>
<lpage>S210</lpage>
<history>
<date date-type="received">
<month>8</month>
<year>2012</year>
</date>
<date date-type="accepted">
<month>10</month>
<year>2012</year>
</date>
</history>
<permissions>
<copyright-statement>Copyright: © Dental Research Journal</copyright-statement>
<copyright-year>2012</copyright-year>
<license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by-nc-sa/3.0">
<license-p>This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p>
</license>
</permissions>
<abstract>
<sec id="st1">
<title>Background:</title>
<p>Osseointegration is essential for a long-term successful and inflammation-free dental implant. Such a result depends on osteoblastic cells growth and differentiation at the tissue-implant interface. The aim of this study was to compare two different AoN titanium layers (GR4 and GR5) to investigate which one had a greater osteoconductive power using human osteoblasts (HOb) culture at two different time-points.</p>
</sec>
<sec id="st2">
<title>Materials and Methods:</title>
<p>The expression levels of some bone-related (ALPL, COL1A1, COL3A1, SPP1, RUNX2, and SPARC) were analyzed using real time reverse transcription-polymerase chain reaction (real time RT-PCR).</p>
</sec>
<sec id="st3">
<title>Results:</title>
<p>Real-time RT-PCR data showed that after 3 days of treatment with TiA4GR, the genes up-regulated were COL3A1, ALPL, SPP1, and RUNX2. Moreover, no difference in gene expression was noticed 4 days later. On the other hand, the genes that overexpressed after 3 days of treatment with AoN5GR were ALPL, SPP1, and RUNX2. In both cases, the expression of COL1A1 and SPARC was negatively regulated.</p>
</sec>
<sec id="st4">
<title>Conclusion:</title>
<p>Our data showed that both titanium surfaces led to osteoblasts recruitment, maturation, and differentiation, thus promoting osseointegration at the tissue-implant interface.</p>
</sec>
</abstract>
<kwd-group>
<kwd>Gene expression</kwd>
<kwd>osteoinduction</kwd>
<kwd>titanium alloys</kwd>
</kwd-group>
</article-meta>
</front>
</pmc>
<affiliations>
<list>
<country>
<li>Italie</li>
</country>
</list>
<tree>
<country name="Italie">
<noRegion>
<name sortKey="Danza, Matteo" sort="Danza, Matteo" uniqKey="Danza M" first="Matteo" last="Danza">Matteo Danza</name>
</noRegion>
<name sortKey="Candotto, Valentina" sort="Candotto, Valentina" uniqKey="Candotto V" first="Valentina" last="Candotto">Valentina Candotto</name>
<name sortKey="Carinci, Francesco" sort="Carinci, Francesco" uniqKey="Carinci F" first="Francesco" last="Carinci">Francesco Carinci</name>
<name sortKey="Cura, Francesca" sort="Cura, Francesca" uniqKey="Cura F" first="Francesca" last="Cura">Francesca Cura</name>
<name sortKey="Zollino, Ilaria" sort="Zollino, Ilaria" uniqKey="Zollino I" first="Ilaria" last="Zollino">Ilaria Zollino</name>
</country>
</tree>
</affiliations>
</record>

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