Serveur d'exploration sur le lymphœdème

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The Noninvasive Treatment for Sentinel Lymph Node Metastasis by Photodynamic Therapy Using Phospholipid Polymer as a Nanotransporter of Verteporfin

Identifieur interne : 003C30 ( Pmc/Curation ); précédent : 003C29; suivant : 003C31

The Noninvasive Treatment for Sentinel Lymph Node Metastasis by Photodynamic Therapy Using Phospholipid Polymer as a Nanotransporter of Verteporfin

Auteurs : Kyosuke Shimada [Japon] ; Sachiko Matsuda [Japon] ; Hiromitsu Jinno [Japon] ; Noriaki Kameyama [Japon] ; Tomohiro Konno [Japon] ; Tsunenori Arai [Japon] ; Kazuhiko Ishihara [Japon] ; Yuko Kitagawa [Japon]

Source :

RBID : PMC:5394349

Abstract

Aim. The usefulness of photodynamic therapy (PDT) for treating sentinel lymph node (SLN) metastasis was evaluated. Materials and Methods. Verteporfin, a hydrophobic photosensitizer, forms a soluble aggregate with poly(2-methacryloyloxyethyl phosphorylcholine-co-n-butyl methacrylate) (PMB). The concentrations of verteporfin were determined by measuring the fluorescence emitted at 700 nm. Seven days after the inoculation of A431 cells at the forearm of BALB/c nude mice, PMB-verteporfin was injected at dorsum manus and 75 J of light energy was delivered for 1 minute. Fifty-three mice were randomly assigned to the combination of PMB-verteporfin injection and light exposure, light exposure alone, PMB-verteporfin injection alone, and no treatment groups. Ten days after PDT, brachial lymph nodes, which were considered as SLNs, were harvested and evaluated. Results. The concentration of verteporfin in SLN was significantly higher than other organs. The combination of PMB-verteporfin injection and light exposure group significantly reduced the SLN metastasis (13%) comparing with no treatment group (52%), light exposure alone group (57%), and PMB-verteporfin injection alone group (46%). Conclusions. These data suggested that PDT using PMB as a nanotransporter of verteporfin could be a minimally invasive treatment of SLN metastasis in breast cancer and represent a potential alternative procedure to SLNB.


Url:
DOI: 10.1155/2017/7412865
PubMed: 28473989
PubMed Central: 5394349

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PMC:5394349

Le document en format XML

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<name sortKey="Ishihara, Kazuhiko" sort="Ishihara, Kazuhiko" uniqKey="Ishihara K" first="Kazuhiko" last="Ishihara">Kazuhiko Ishihara</name>
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<nlm:aff id="I2">Department of Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo 160-8582, Japan</nlm:aff>
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<p>
<italic>Aim</italic>
. The usefulness of photodynamic therapy (PDT) for treating sentinel lymph node (SLN) metastasis was evaluated.
<italic> Materials and Methods</italic>
. Verteporfin, a hydrophobic photosensitizer, forms a soluble aggregate with poly(2-methacryloyloxyethyl phosphorylcholine-
<italic>co</italic>
-
<italic>n</italic>
-butyl methacrylate) (PMB). The concentrations of verteporfin were determined by measuring the fluorescence emitted at 700 nm. Seven days after the inoculation of A431 cells at the forearm of BALB/c nude mice, PMB-verteporfin was injected at dorsum manus and 75 J of light energy was delivered for 1 minute. Fifty-three mice were randomly assigned to the combination of PMB-verteporfin injection and light exposure, light exposure alone, PMB-verteporfin injection alone, and no treatment groups. Ten days after PDT, brachial lymph nodes, which were considered as SLNs, were harvested and evaluated.
<italic> Results</italic>
. The concentration of verteporfin in SLN was significantly higher than other organs. The combination of PMB-verteporfin injection and light exposure group significantly reduced the SLN metastasis (13%) comparing with no treatment group (52%), light exposure alone group (57%), and PMB-verteporfin injection alone group (46%).
<italic> Conclusions</italic>
. These data suggested that PDT using PMB as a nanotransporter of verteporfin could be a minimally invasive treatment of SLN metastasis in breast cancer and represent a potential alternative procedure to SLNB.</p>
</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">Biomed Res Int</journal-id>
<journal-id journal-id-type="iso-abbrev">Biomed Res Int</journal-id>
<journal-id journal-id-type="publisher-id">BMRI</journal-id>
<journal-title-group>
<journal-title>BioMed Research International</journal-title>
</journal-title-group>
<issn pub-type="ppub">2314-6133</issn>
<issn pub-type="epub">2314-6141</issn>
<publisher>
<publisher-name>Hindawi</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="pmid">28473989</article-id>
<article-id pub-id-type="pmc">5394349</article-id>
<article-id pub-id-type="doi">10.1155/2017/7412865</article-id>
<article-categories>
<subj-group subj-group-type="heading">
<subject>Research Article</subject>
</subj-group>
</article-categories>
<title-group>
<article-title>The Noninvasive Treatment for Sentinel Lymph Node Metastasis by Photodynamic Therapy Using Phospholipid Polymer as a Nanotransporter of Verteporfin</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Shimada</surname>
<given-names>Kyosuke</given-names>
</name>
<xref ref-type="aff" rid="I1">
<sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Matsuda</surname>
<given-names>Sachiko</given-names>
</name>
<xref ref-type="aff" rid="I2">
<sup>2</sup>
</xref>
<xref ref-type="aff" rid="I3">
<sup>3</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<contrib-id contrib-id-type="orcid" authenticated="false">http://orcid.org/0000-0002-1331-7053</contrib-id>
<name>
<surname>Jinno</surname>
<given-names>Hiromitsu</given-names>
</name>
<xref ref-type="aff" rid="I4">
<sup>4</sup>
</xref>
<xref ref-type="corresp" rid="cor1">
<sup>*</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Kameyama</surname>
<given-names>Noriaki</given-names>
</name>
<xref ref-type="aff" rid="I5">
<sup>5</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Konno</surname>
<given-names>Tomohiro</given-names>
</name>
<xref ref-type="aff" rid="I6">
<sup>6</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Arai</surname>
<given-names>Tsunenori</given-names>
</name>
<xref ref-type="aff" rid="I7">
<sup>7</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Ishihara</surname>
<given-names>Kazuhiko</given-names>
</name>
<xref ref-type="aff" rid="I6">
<sup>6</sup>
</xref>
<xref ref-type="aff" rid="I8">
<sup>8</sup>
</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Kitagawa</surname>
<given-names>Yuko</given-names>
</name>
<xref ref-type="aff" rid="I2">
<sup>2</sup>
</xref>
</contrib>
</contrib-group>
<aff id="I1">
<sup>1</sup>
Department of Breast Surgery, Kawasaki Municipal Ida Hospital, 2-27-1 Ida, Nakahara, Kawasaki, Kanagawa 211-0035, Japan</aff>
<aff id="I2">
<sup>2</sup>
Department of Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo 160-8582, Japan</aff>
<aff id="I3">
<sup>3</sup>
Endowed Chair in Cancer Research, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo 160-8582, Japan</aff>
<aff id="I4">
<sup>4</sup>
Department of Surgery, Teikyo University School of Medicine, 2-11-1, Kaga, Itabashi, Tokyo 173-8606, Japan</aff>
<aff id="I5">
<sup>5</sup>
Department of Surgery, Tachikawa Hospital, 4-2-22, Niishikicho, Tachikawa, Tokyo 190-8531, Japan</aff>
<aff id="I6">
<sup>6</sup>
Department of Bioengineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan</aff>
<aff id="I7">
<sup>7</sup>
Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku, Yokohama, Kanagawa 223-8522, Japan</aff>
<aff id="I8">
<sup>8</sup>
Department of Materials Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan</aff>
<author-notes>
<corresp id="cor1">*Hiromitsu Jinno:
<email>jinnoh@dd.iij4u.or.jp</email>
</corresp>
<fn fn-type="other">
<p>Academic Editor: Maurizio Battaglia Parodi</p>
</fn>
</author-notes>
<pub-date pub-type="ppub">
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>3</day>
<month>4</month>
<year>2017</year>
</pub-date>
<volume>2017</volume>
<elocation-id>7412865</elocation-id>
<history>
<date date-type="received">
<day>22</day>
<month>11</month>
<year>2016</year>
</date>
<date date-type="rev-recd">
<day>10</day>
<month>2</month>
<year>2017</year>
</date>
<date date-type="accepted">
<day>1</day>
<month>3</month>
<year>2017</year>
</date>
</history>
<permissions>
<copyright-statement>Copyright © 2017 Kyosuke Shimada et al.</copyright-statement>
<copyright-year>2017</copyright-year>
<license xlink:href="https://creativecommons.org/licenses/by/4.0/">
<license-p>This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p>
</license>
</permissions>
<abstract>
<p>
<italic>Aim</italic>
. The usefulness of photodynamic therapy (PDT) for treating sentinel lymph node (SLN) metastasis was evaluated.
<italic> Materials and Methods</italic>
. Verteporfin, a hydrophobic photosensitizer, forms a soluble aggregate with poly(2-methacryloyloxyethyl phosphorylcholine-
<italic>co</italic>
-
<italic>n</italic>
-butyl methacrylate) (PMB). The concentrations of verteporfin were determined by measuring the fluorescence emitted at 700 nm. Seven days after the inoculation of A431 cells at the forearm of BALB/c nude mice, PMB-verteporfin was injected at dorsum manus and 75 J of light energy was delivered for 1 minute. Fifty-three mice were randomly assigned to the combination of PMB-verteporfin injection and light exposure, light exposure alone, PMB-verteporfin injection alone, and no treatment groups. Ten days after PDT, brachial lymph nodes, which were considered as SLNs, were harvested and evaluated.
<italic> Results</italic>
. The concentration of verteporfin in SLN was significantly higher than other organs. The combination of PMB-verteporfin injection and light exposure group significantly reduced the SLN metastasis (13%) comparing with no treatment group (52%), light exposure alone group (57%), and PMB-verteporfin injection alone group (46%).
<italic> Conclusions</italic>
. These data suggested that PDT using PMB as a nanotransporter of verteporfin could be a minimally invasive treatment of SLN metastasis in breast cancer and represent a potential alternative procedure to SLNB.</p>
</abstract>
<funding-group>
<award-group>
<funding-source xlink:href="http://dx.doi.org/10.13039/501100001700">Ministry of Education, Culture, Sports, Science and Technology</funding-source>
<award-id>2306</award-id>
</award-group>
</funding-group>
</article-meta>
</front>
<floats-group>
<fig id="fig1" orientation="portrait" position="float">
<label>Figure 1</label>
<graphic xlink:href="BMRI2017-7412865.001"></graphic>
</fig>
<fig id="fig2" orientation="portrait" position="float">
<label>Figure 2</label>
<caption>
<p>Stereoscopic fluorescence microscope images of metastatic sentinel lymph nodes.</p>
</caption>
<graphic xlink:href="BMRI2017-7412865.002"></graphic>
</fig>
<fig id="fig3" orientation="portrait" position="float">
<label>Figure 3</label>
<caption>
<p>Nuclear disruption in SLN after PDT.</p>
</caption>
<graphic xlink:href="BMRI2017-7412865.003"></graphic>
</fig>
<fig id="fig4" orientation="portrait" position="float">
<label>Figure 4</label>
<caption>
<p>Amount of verteporfin distributed in various tissues.</p>
</caption>
<graphic xlink:href="BMRI2017-7412865.004"></graphic>
</fig>
<fig id="fig5" orientation="portrait" position="float">
<label>Figure 5</label>
<caption>
<p>Effect of PDT on SLN metastasis.</p>
</caption>
<graphic xlink:href="BMRI2017-7412865.005"></graphic>
</fig>
</floats-group>
</pmc>
</record>

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