Regulation of somatostatin receptor 4-mediated cytostatic effects by CD26 in malignant pleural mesothelioma

Background: Malignant pleural mesothelioma (MPM) is an aggressive neoplasm arising from mesothelial lining of pleura. CD26 molecules preferentially expressed on epithelioid type of MPM. This study investigates the molecular mechanisms of CD26 regulating MPM cells in vitro and in vivo . Methods: Bioc...

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Veröffentlicht in:British journal of cancer 2014-04, Vol.110 (9), p.2232-2245
Hauptverfasser: Yamamoto, J, Ohnuma, K, Hatano, R, Okamoto, T, Komiya, E, Yamazaki, H, Iwata, S, Dang, N H, Aoe, K, Kishimoto, T, Yamada, T, Morimoto, C
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container_end_page 2245
container_issue 9
container_start_page 2232
container_title British journal of cancer
container_volume 110
creator Yamamoto, J
Ohnuma, K
Hatano, R
Okamoto, T
Komiya, E
Yamazaki, H
Iwata, S
Dang, N H
Aoe, K
Kishimoto, T
Yamada, T
Morimoto, C
description Background: Malignant pleural mesothelioma (MPM) is an aggressive neoplasm arising from mesothelial lining of pleura. CD26 molecules preferentially expressed on epithelioid type of MPM. This study investigates the molecular mechanisms of CD26 regulating MPM cells in vitro and in vivo . Methods: Biochemical and cell biological approaches were used for identifying a novel molecular target of MPM. Its contribution to tumour expansion has been also assessed using animal models. The clinical samples of MPM were also assessed for its expression. Results: We identify that cytostatic effects in MPM are mediated by somatostatin (SST) receptor 4 (SSTR4), being inhibited by the interaction of CD26 molecules. We also indicates that SSTR4-mediated cytostatic effects are regulated by SHP-2 PTP, and that this inhibitory effect by SST agonist is enhanced via lipid raft clustering of associated molecules following crosslinking of anti-CD26 antibody. Finally, using an in vivo xenograft model, we demonstrate that the anti-tumour effect of anti-CD26 mAb is enhanced when combined with SSTR4 agonist treatment, and that SSTR4 is highly coexpressed with CD26 on epithelioid or biphasic types of MPM tissues obtained from patients’ surgical specimens. Conclusions: Combination therapy with humanised anti-CD26 mAb and SSTR4 agonist may therefore potentiate anti-tumour effect on MPM.
doi_str_mv 10.1038/bjc.2014.151
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CD26 molecules preferentially expressed on epithelioid type of MPM. This study investigates the molecular mechanisms of CD26 regulating MPM cells in vitro and in vivo . Methods: Biochemical and cell biological approaches were used for identifying a novel molecular target of MPM. Its contribution to tumour expansion has been also assessed using animal models. The clinical samples of MPM were also assessed for its expression. Results: We identify that cytostatic effects in MPM are mediated by somatostatin (SST) receptor 4 (SSTR4), being inhibited by the interaction of CD26 molecules. We also indicates that SSTR4-mediated cytostatic effects are regulated by SHP-2 PTP, and that this inhibitory effect by SST agonist is enhanced via lipid raft clustering of associated molecules following crosslinking of anti-CD26 antibody. Finally, using an in vivo xenograft model, we demonstrate that the anti-tumour effect of anti-CD26 mAb is enhanced when combined with SSTR4 agonist treatment, and that SSTR4 is highly coexpressed with CD26 on epithelioid or biphasic types of MPM tissues obtained from patients’ surgical specimens. Conclusions: Combination therapy with humanised anti-CD26 mAb and SSTR4 agonist may therefore potentiate anti-tumour effect on MPM.</description><identifier>ISSN: 0007-0920</identifier><identifier>EISSN: 1532-1827</identifier><identifier>DOI: 10.1038/bjc.2014.151</identifier><identifier>PMID: 24743707</identifier><identifier>CODEN: BJCAAI</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>692/699/67/1059 ; 692/699/67/1641 ; Animals ; Antibodies ; Antibodies, Monoclonal, Humanized - therapeutic use ; Antineoplastic Combined Chemotherapy Protocols ; Asbestos ; Biological and medical sciences ; Biomedical and Life Sciences ; Biomedicine ; Cancer Research ; Cancer therapies ; Cell growth ; Cell Line, Tumor ; Cytostatic Agents - therapeutic use ; Dipeptidyl Peptidase 4 - metabolism ; Dipeptidyl-Peptidase IV Inhibitors - therapeutic use ; Drug Resistance ; Epidemiology ; Gene Deletion ; Humans ; Lung Neoplasms - drug therapy ; Medical prognosis ; Medical research ; Medical sciences ; Mesothelioma ; Mesothelioma - drug therapy ; Mesothelioma, Malignant ; Mice ; Molecular Medicine ; Motility ; Multiple tumors. Solid tumors. Tumors in childhood (general aspects) ; Oncology ; Pleural Neoplasms - drug therapy ; Pneumology ; Receptors, Somatostatin - agonists ; Receptors, Somatostatin - genetics ; Translational Therapeutics ; Tumors ; Tumors of the respiratory system and mediastinum ; Xenograft Model Antitumor Assays</subject><ispartof>British journal of cancer, 2014-04, Vol.110 (9), p.2232-2245</ispartof><rights>The Author(s) 2014</rights><rights>2015 INIST-CNRS</rights><rights>Copyright Nature Publishing Group Apr 29, 2014</rights><rights>Copyright © 2014 Cancer Research UK 2014 Cancer Research UK</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c546t-818b18a413e49d92506376763b52c58758ffe5a87a242228fcea4c15fe4e6bd73</citedby><cites>FETCH-LOGICAL-c546t-818b18a413e49d92506376763b52c58758ffe5a87a242228fcea4c15fe4e6bd73</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4007235/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4007235/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,315,729,782,786,887,27931,27932,53798,53800</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=28502896$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24743707$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yamamoto, J</creatorcontrib><creatorcontrib>Ohnuma, K</creatorcontrib><creatorcontrib>Hatano, R</creatorcontrib><creatorcontrib>Okamoto, T</creatorcontrib><creatorcontrib>Komiya, E</creatorcontrib><creatorcontrib>Yamazaki, H</creatorcontrib><creatorcontrib>Iwata, S</creatorcontrib><creatorcontrib>Dang, N H</creatorcontrib><creatorcontrib>Aoe, K</creatorcontrib><creatorcontrib>Kishimoto, T</creatorcontrib><creatorcontrib>Yamada, T</creatorcontrib><creatorcontrib>Morimoto, C</creatorcontrib><title>Regulation of somatostatin receptor 4-mediated cytostatic effects by CD26 in malignant pleural mesothelioma</title><title>British journal of cancer</title><addtitle>Br J Cancer</addtitle><addtitle>Br J Cancer</addtitle><description>Background: Malignant pleural mesothelioma (MPM) is an aggressive neoplasm arising from mesothelial lining of pleura. CD26 molecules preferentially expressed on epithelioid type of MPM. This study investigates the molecular mechanisms of CD26 regulating MPM cells in vitro and in vivo . Methods: Biochemical and cell biological approaches were used for identifying a novel molecular target of MPM. Its contribution to tumour expansion has been also assessed using animal models. The clinical samples of MPM were also assessed for its expression. Results: We identify that cytostatic effects in MPM are mediated by somatostatin (SST) receptor 4 (SSTR4), being inhibited by the interaction of CD26 molecules. We also indicates that SSTR4-mediated cytostatic effects are regulated by SHP-2 PTP, and that this inhibitory effect by SST agonist is enhanced via lipid raft clustering of associated molecules following crosslinking of anti-CD26 antibody. 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CD26 molecules preferentially expressed on epithelioid type of MPM. This study investigates the molecular mechanisms of CD26 regulating MPM cells in vitro and in vivo . Methods: Biochemical and cell biological approaches were used for identifying a novel molecular target of MPM. Its contribution to tumour expansion has been also assessed using animal models. The clinical samples of MPM were also assessed for its expression. Results: We identify that cytostatic effects in MPM are mediated by somatostatin (SST) receptor 4 (SSTR4), being inhibited by the interaction of CD26 molecules. We also indicates that SSTR4-mediated cytostatic effects are regulated by SHP-2 PTP, and that this inhibitory effect by SST agonist is enhanced via lipid raft clustering of associated molecules following crosslinking of anti-CD26 antibody. Finally, using an in vivo xenograft model, we demonstrate that the anti-tumour effect of anti-CD26 mAb is enhanced when combined with SSTR4 agonist treatment, and that SSTR4 is highly coexpressed with CD26 on epithelioid or biphasic types of MPM tissues obtained from patients’ surgical specimens. Conclusions: Combination therapy with humanised anti-CD26 mAb and SSTR4 agonist may therefore potentiate anti-tumour effect on MPM.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>24743707</pmid><doi>10.1038/bjc.2014.151</doi><tpages>14</tpages><oa>free_for_read</oa></addata></record>
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subjects 692/699/67/1059
692/699/67/1641
Animals
Antibodies
Antibodies, Monoclonal, Humanized - therapeutic use
Antineoplastic Combined Chemotherapy Protocols
Asbestos
Biological and medical sciences
Biomedical and Life Sciences
Biomedicine
Cancer Research
Cancer therapies
Cell growth
Cell Line, Tumor
Cytostatic Agents - therapeutic use
Dipeptidyl Peptidase 4 - metabolism
Dipeptidyl-Peptidase IV Inhibitors - therapeutic use
Drug Resistance
Epidemiology
Gene Deletion
Humans
Lung Neoplasms - drug therapy
Medical prognosis
Medical research
Medical sciences
Mesothelioma
Mesothelioma - drug therapy
Mesothelioma, Malignant
Mice
Molecular Medicine
Motility
Multiple tumors. Solid tumors. Tumors in childhood (general aspects)
Oncology
Pleural Neoplasms - drug therapy
Pneumology
Receptors, Somatostatin - agonists
Receptors, Somatostatin - genetics
Translational Therapeutics
Tumors
Tumors of the respiratory system and mediastinum
Xenograft Model Antitumor Assays
title Regulation of somatostatin receptor 4-mediated cytostatic effects by CD26 in malignant pleural mesothelioma
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