Sex dependent regulation of osteoblast response to implant surface properties by systemic hormones
Identifieur interne : 002317 ( Pmc/Checkpoint ); précédent : 002316; suivant : 002318Sex dependent regulation of osteoblast response to implant surface properties by systemic hormones
Auteurs : Rene Olivares-Navarrete [États-Unis] ; Sharon L. Hyzy [États-Unis] ; Reyhaan A. Chaudhri [États-Unis] ; Ge Zhao [États-Unis] ; Barbara D. Boyan [États-Unis] ; Zvi Schwartz [États-Unis]Source :
- Biology of Sex Differences [ 2042-6410 ] ; 2010.
Abstract
Osseointegration depends on the implant surface, bone quality and the local and systemic host environment, which can differ in male and female patients. This study was undertaken in order to determine if male and female cells respond differently to titanium surfaces that have micron-scale roughness and if interactions of calciotropic hormones [1α,25(OH)2D3 and 17β-oestradiol (E2)] and microstructured surfaces on osteoblasts are sex dependent.
Osteoblasts from 6-week old Sprague-Dawley rats were cultured on tissue culture polystyrene (TCPS) or on titanium (Ti) disks with two different surface topographies, a smooth pretreated (PT) surface and a coarse grit-blasted/acid-etched (SLA) surface, and treated with 1α,25(OH)2D3, E2, or E2 conjugated to bovine serum albumin (E2-BSA).
Male and female cells responded similarly to Ti microstructure with respect to cell number and levels of osteocalcin, transforming growth factor-β1, osteoprotegerin and prostaglandin E2 in their conditioned media, exhibiting a more differentiated phenotype on SLA than on PT or TCPS. E2 and E2-BSA increased differentiation and local factor production, an effect that was microstructure dependent and found only in female osteoblasts. 1α,25(OH)2D3 increased osteoblast differentiation and local factor production in female and male cells, but the effect was more robust in male cells.
Male and female rat osteoblasts respond similarly to surface microstructure but exhibit sexual dimorphism in substrate-dependent responses to systemic hormones. Oestrogen affected only female cells while 1α,25(OH)2D3 had a greater effect on male cells. These results suggest that successful osseointegration in males and females may depend on the implant surface design and correct levels of calciotropic hormones.
Url:
DOI: 10.1186/2042-6410-1-4
PubMed: 21208469
PubMed Central: 3010104
Affiliations:
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Sex dependent regulation of osteoblast response to implant surface properties by systemic hormones</title>
<author><name sortKey="Olivares Navarrete, Rene" sort="Olivares Navarrete, Rene" uniqKey="Olivares Navarrete R" first="Rene" last="Olivares-Navarrete">Rene Olivares-Navarrete</name>
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<author><name sortKey="Hyzy, Sharon L" sort="Hyzy, Sharon L" uniqKey="Hyzy S" first="Sharon L" last="Hyzy">Sharon L. Hyzy</name>
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<author><name sortKey="Chaudhri, Reyhaan A" sort="Chaudhri, Reyhaan A" uniqKey="Chaudhri R" first="Reyhaan A" last="Chaudhri">Reyhaan A. Chaudhri</name>
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<author><name sortKey="Zhao, Ge" sort="Zhao, Ge" uniqKey="Zhao G" first="Ge" last="Zhao">Ge Zhao</name>
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<author><name sortKey="Schwartz, Zvi" sort="Schwartz, Zvi" uniqKey="Schwartz Z" first="Zvi" last="Schwartz">Zvi Schwartz</name>
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<series><title level="j">Biology of Sex Differences</title>
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<front><div type="abstract" xml:lang="en"><sec><title>Background</title>
<p>Osseointegration depends on the implant surface, bone quality and the local and systemic host environment, which can differ in male and female patients. This study was undertaken in order to determine if male and female cells respond differently to titanium surfaces that have micron-scale roughness and if interactions of calciotropic hormones [1α,25(OH)<sub>2</sub>
D<sub>3 </sub>
and 17β-oestradiol (E<sub>2</sub>
)] and microstructured surfaces on osteoblasts are sex dependent.</p>
</sec>
<sec><title>Methods</title>
<p>Osteoblasts from 6-week old Sprague-Dawley rats were cultured on tissue culture polystyrene (TCPS) or on titanium (Ti) disks with two different surface topographies, a smooth pretreated (PT) surface and a coarse grit-blasted/acid-etched (SLA) surface, and treated with 1α,25(OH)<sub>2</sub>
D<sub>3</sub>
, E<sub>2</sub>
, or E<sub>2 </sub>
conjugated to bovine serum albumin (E<sub>2</sub>
-BSA).</p>
</sec>
<sec><title>Results</title>
<p>Male and female cells responded similarly to Ti microstructure with respect to cell number and levels of osteocalcin, transforming growth factor-β1, osteoprotegerin and prostaglandin E<sub>2 </sub>
in their conditioned media, exhibiting a more differentiated phenotype on SLA than on PT or TCPS. E<sub>2 </sub>
and E<sub>2</sub>
-BSA increased differentiation and local factor production, an effect that was microstructure dependent and found only in female osteoblasts. 1α,25(OH)<sub>2</sub>
D<sub>3 </sub>
increased osteoblast differentiation and local factor production in female and male cells, but the effect was more robust in male cells.</p>
</sec>
<sec><title>Conclusions</title>
<p>Male and female rat osteoblasts respond similarly to surface microstructure but exhibit sexual dimorphism in substrate-dependent responses to systemic hormones. Oestrogen affected only female cells while 1α,25(OH)<sub>2</sub>
D<sub>3 </sub>
had a greater effect on male cells. These results suggest that successful osseointegration in males and females may depend on the implant surface design and correct levels of calciotropic hormones.</p>
</sec>
</div>
</front>
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<pmc article-type="research-article"><pmc-dir>properties open_access</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Biol Sex Differ</journal-id>
<journal-title-group><journal-title>Biology of Sex Differences</journal-title>
</journal-title-group>
<issn pub-type="epub">2042-6410</issn>
<publisher><publisher-name>BioMed Central</publisher-name>
</publisher>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">21208469</article-id>
<article-id pub-id-type="pmc">3010104</article-id>
<article-id pub-id-type="publisher-id">2042-6410-1-4</article-id>
<article-id pub-id-type="doi">10.1186/2042-6410-1-4</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Research</subject>
</subj-group>
</article-categories>
<title-group><article-title>Sex dependent regulation of osteoblast response to implant surface properties by systemic hormones</article-title>
</title-group>
<contrib-group><contrib contrib-type="author" id="A1"><name><surname>Olivares-Navarrete</surname>
<given-names>Rene</given-names>
</name>
<xref ref-type="aff" rid="I1">1</xref>
<email>rene.olivares-navarrete@bme.gatech.edu</email>
</contrib>
<contrib contrib-type="author" id="A2"><name><surname>Hyzy</surname>
<given-names>Sharon L</given-names>
</name>
<xref ref-type="aff" rid="I1">1</xref>
<email>sharon.hyzy@bme.gatech.edu</email>
</contrib>
<contrib contrib-type="author" id="A3"><name><surname>Chaudhri</surname>
<given-names>Reyhaan A</given-names>
</name>
<xref ref-type="aff" rid="I1">1</xref>
<email>reyhaan.chaudhri@bme.gatech.edu</email>
</contrib>
<contrib contrib-type="author" id="A4"><name><surname>Zhao</surname>
<given-names>Ge</given-names>
</name>
<xref ref-type="aff" rid="I1">1</xref>
<email>zhaoge2000@hotmail.com</email>
</contrib>
<contrib contrib-type="author" corresp="yes" id="A5"><name><surname>Boyan</surname>
<given-names>Barbara D</given-names>
</name>
<xref ref-type="aff" rid="I1">1</xref>
<email>barbara.boyan@bme.gatech.edu</email>
</contrib>
<contrib contrib-type="author" id="A6"><name><surname>Schwartz</surname>
<given-names>Zvi</given-names>
</name>
<xref ref-type="aff" rid="I1">1</xref>
<email>zvi.schwartz@bme.gatech.edu</email>
</contrib>
</contrib-group>
<aff id="I1"><label>1</label>
Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Drive, Atlanta, GA, USA</aff>
<pub-date pub-type="collection"><year>2010</year>
</pub-date>
<pub-date pub-type="epub"><day>4</day>
<month>11</month>
<year>2010</year>
</pub-date>
<volume>1</volume>
<fpage>4</fpage>
<lpage>4</lpage>
<history><date date-type="received"><day>24</day>
<month>5</month>
<year>2010</year>
</date>
<date date-type="accepted"><day>4</day>
<month>11</month>
<year>2010</year>
</date>
</history>
<permissions><copyright-statement>Copyright ©2010 Olivares-Navarrete et al; licensee BioMed Central Ltd.</copyright-statement>
<copyright-year>2010</copyright-year>
<copyright-holder>Olivares-Navarrete et al; licensee BioMed Central Ltd.</copyright-holder>
<license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/2.0"><license-p>This is an Open Access article distributed under the terms of the Creative Commons Attribution License (<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by/2.0">http://creativecommons.org/licenses/by/2.0</ext-link>
), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p>
</license>
</permissions>
<self-uri xlink:href="http://www.bsd-journal.com/content/1/1/4"></self-uri>
<abstract><sec><title>Background</title>
<p>Osseointegration depends on the implant surface, bone quality and the local and systemic host environment, which can differ in male and female patients. This study was undertaken in order to determine if male and female cells respond differently to titanium surfaces that have micron-scale roughness and if interactions of calciotropic hormones [1α,25(OH)<sub>2</sub>
D<sub>3 </sub>
and 17β-oestradiol (E<sub>2</sub>
)] and microstructured surfaces on osteoblasts are sex dependent.</p>
</sec>
<sec><title>Methods</title>
<p>Osteoblasts from 6-week old Sprague-Dawley rats were cultured on tissue culture polystyrene (TCPS) or on titanium (Ti) disks with two different surface topographies, a smooth pretreated (PT) surface and a coarse grit-blasted/acid-etched (SLA) surface, and treated with 1α,25(OH)<sub>2</sub>
D<sub>3</sub>
, E<sub>2</sub>
, or E<sub>2 </sub>
conjugated to bovine serum albumin (E<sub>2</sub>
-BSA).</p>
</sec>
<sec><title>Results</title>
<p>Male and female cells responded similarly to Ti microstructure with respect to cell number and levels of osteocalcin, transforming growth factor-β1, osteoprotegerin and prostaglandin E<sub>2 </sub>
in their conditioned media, exhibiting a more differentiated phenotype on SLA than on PT or TCPS. E<sub>2 </sub>
and E<sub>2</sub>
-BSA increased differentiation and local factor production, an effect that was microstructure dependent and found only in female osteoblasts. 1α,25(OH)<sub>2</sub>
D<sub>3 </sub>
increased osteoblast differentiation and local factor production in female and male cells, but the effect was more robust in male cells.</p>
</sec>
<sec><title>Conclusions</title>
<p>Male and female rat osteoblasts respond similarly to surface microstructure but exhibit sexual dimorphism in substrate-dependent responses to systemic hormones. Oestrogen affected only female cells while 1α,25(OH)<sub>2</sub>
D<sub>3 </sub>
had a greater effect on male cells. These results suggest that successful osseointegration in males and females may depend on the implant surface design and correct levels of calciotropic hormones.</p>
</sec>
</abstract>
</article-meta>
</front>
</pmc>
<affiliations><list><country><li>États-Unis</li>
</country>
<region><li>Géorgie (États-Unis)</li>
</region>
</list>
<tree><country name="États-Unis"><region name="Géorgie (États-Unis)"><name sortKey="Olivares Navarrete, Rene" sort="Olivares Navarrete, Rene" uniqKey="Olivares Navarrete R" first="Rene" last="Olivares-Navarrete">Rene Olivares-Navarrete</name>
</region>
<name sortKey="Boyan, Barbara D" sort="Boyan, Barbara D" uniqKey="Boyan B" first="Barbara D" last="Boyan">Barbara D. Boyan</name>
<name sortKey="Chaudhri, Reyhaan A" sort="Chaudhri, Reyhaan A" uniqKey="Chaudhri R" first="Reyhaan A" last="Chaudhri">Reyhaan A. Chaudhri</name>
<name sortKey="Hyzy, Sharon L" sort="Hyzy, Sharon L" uniqKey="Hyzy S" first="Sharon L" last="Hyzy">Sharon L. Hyzy</name>
<name sortKey="Schwartz, Zvi" sort="Schwartz, Zvi" uniqKey="Schwartz Z" first="Zvi" last="Schwartz">Zvi Schwartz</name>
<name sortKey="Zhao, Ge" sort="Zhao, Ge" uniqKey="Zhao G" first="Ge" last="Zhao">Ge Zhao</name>
</country>
</tree>
</affiliations>
</record>
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