Expression of RAS-like family members, c-jun and c-myc mRNA levels in neoplastic hemocytes of soft-shell clams Mya arenaria using microsphere-based 8-plex branched DNA assay
Identifieur interne : 000383 ( Ncbi/Merge ); précédent : 000382; suivant : 000384Expression of RAS-like family members, c-jun and c-myc mRNA levels in neoplastic hemocytes of soft-shell clams Mya arenaria using microsphere-based 8-plex branched DNA assay
Auteurs : A. Siah [Canada] ; P. Mckenna [Canada] ; J. M. Danger [France] ; G. Johnson [Canada] ; F. C. J. Berthe [Italie]Source :
- Results in Immunology [ 2211-2839 ] ; 2012.
Abstract
The molecular mechanisms by which disseminated neoplasia (DN) is developed in soft shell clams
Url:
DOI: 10.1016/j.rinim.2012.03.003
PubMed: 24371570
PubMed Central: 3862338
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using microsphere-based 8-plex branched DNA assay</title>
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using microsphere-based 8-plex branched DNA assay</title>
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<front><div type="abstract" xml:lang="en"><p>The molecular mechanisms by which disseminated neoplasia (DN) is developed in soft shell clams <italic>Mya arenaria</italic>
remain largely unknown. This study aims at quantifying Rho-like GTPase, RAS-Rho, RAS-related C3 botulinum (RAS C3), c-jun as well as c-myc transcript levels in clams sampled at North River (Charlottetown, Prince Edward Island, Canada). The transcripts were quantified using multiplex gene analysis (Quantigene<sup>®</sup>
2 Plex, Affymetrix) in 3 groups of clams: (1) Group C (healthy clams considered as control) with a low percentage of tetraploid hemocytes (<10%); (2) Group D (disease in development): individuals presenting a percentage of tetraploid cells ranging between 10% and 50%; (3) Group E (established disease): clams with a high percentage of tetraploid hemocytes (>50%). Data showed a down-regulation of Rho-like GTPase, Rho-like subfamily, RAS C3, c-jun and an up-regulation of c-myc gene expression. It is believed that a deregulation of the expression of these genes could partly unravel the molecular mechanisms involved in the development of DN in soft shell clams <italic>Mya arenaria</italic>
. Further investigations should be pursued to determine the role of these gene products in clams' hemocytes.</p>
</div>
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using microsphere-based 8-plex branched DNA assay</title>
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<front><div type="abstract" xml:lang="en"><p>The molecular mechanisms by which disseminated neoplasia (DN) is developed in soft shell clams <italic>Mya arenaria</italic>
remain largely unknown. This study aims at quantifying Rho-like GTPase, RAS-Rho, RAS-related C3 botulinum (RAS C3), c-jun as well as c-myc transcript levels in clams sampled at North River (Charlottetown, Prince Edward Island, Canada). The transcripts were quantified using multiplex gene analysis (Quantigene<sup>®</sup>
2 Plex, Affymetrix) in 3 groups of clams: (1) Group C (healthy clams considered as control) with a low percentage of tetraploid hemocytes (<10%); (2) Group D (disease in development): individuals presenting a percentage of tetraploid cells ranging between 10% and 50%; (3) Group E (established disease): clams with a high percentage of tetraploid hemocytes (>50%). Data showed a down-regulation of Rho-like GTPase, Rho-like subfamily, RAS C3, c-jun and an up-regulation of c-myc gene expression. It is believed that a deregulation of the expression of these genes could partly unravel the molecular mechanisms involved in the development of DN in soft shell clams <italic>Mya arenaria</italic>
. Further investigations should be pursued to determine the role of these gene products in clams' hemocytes.</p>
</div>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Expression of RAS-like family members, c-jun and c-myc mRNA levels in neoplastic hemocytes of soft-shell clams Mya arenaria using microsphere-based 8-plex branched DNA assay.</title>
<author><name sortKey="Siah, A" sort="Siah, A" uniqKey="Siah A" first="A" last="Siah">A. Siah</name>
<affiliation wicri:level="1"><nlm:affiliation>British Columbia Centre for Aquatic Health Sciences, 871A Island Highway, Campbell River, BC, Canada V9W 2C2 ; Department of Pathology & Microbiology, Atlantic Veterinary College, University of Prince Edward Island, 220 University Avenue, Charlottetown, PEI, Canada C1A 4P3.</nlm:affiliation>
<country>Canada</country>
<wicri:regionArea>British Columbia Centre for Aquatic Health Sciences, 871A Island Highway, Campbell River, BC, Canada V9W 2C2 ; Department of Pathology & Microbiology, Atlantic Veterinary College, University of Prince Edward Island, 220 University Avenue, Charlottetown, PEI</wicri:regionArea>
<wicri:noRegion>PEI</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Mckenna, P" sort="Mckenna, P" uniqKey="Mckenna P" first="P" last="Mckenna">P. Mckenna</name>
<affiliation wicri:level="1"><nlm:affiliation>Department of Pathology & Microbiology, Atlantic Veterinary College, University of Prince Edward Island, 220 University Avenue, Charlottetown, PEI, Canada C1A 4P3.</nlm:affiliation>
<country>Canada</country>
<wicri:regionArea>Department of Pathology & Microbiology, Atlantic Veterinary College, University of Prince Edward Island, 220 University Avenue, Charlottetown, PEI</wicri:regionArea>
<wicri:noRegion>PEI</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Danger, J M" sort="Danger, J M" uniqKey="Danger J" first="J M" last="Danger">J M Danger</name>
<affiliation wicri:level="3"><nlm:affiliation>Laboratory of Ecotoxicology, University of Le Havre, 25 rue P. Lebon, BP 540, 76058 Le Havre Cedex, France.</nlm:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>Laboratory of Ecotoxicology, University of Le Havre, 25 rue P. Lebon, BP 540, 76058 Le Havre Cedex</wicri:regionArea>
<placeName><region type="region" nuts="2">Région Normandie</region>
<region type="old region" nuts="2">Haute-Normandie</region>
<settlement type="city">Le Havre</settlement>
</placeName>
</affiliation>
</author>
<author><name sortKey="Johnson, G" sort="Johnson, G" uniqKey="Johnson G" first="G" last="Johnson">G. Johnson</name>
<affiliation wicri:level="1"><nlm:affiliation>Department of Pathology & Microbiology, Atlantic Veterinary College, University of Prince Edward Island, 220 University Avenue, Charlottetown, PEI, Canada C1A 4P3.</nlm:affiliation>
<country>Canada</country>
<wicri:regionArea>Department of Pathology & Microbiology, Atlantic Veterinary College, University of Prince Edward Island, 220 University Avenue, Charlottetown, PEI</wicri:regionArea>
<wicri:noRegion>PEI</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Berthe, F C J" sort="Berthe, F C J" uniqKey="Berthe F" first="F C J" last="Berthe">F C J. Berthe</name>
<affiliation wicri:level="1"><nlm:affiliation>Animal Health and Welfare Unit, European Food Safety Authority (EFSA), Largo N, Palli 5IA, I-43100 Parma, Italy.</nlm:affiliation>
<country xml:lang="fr">Italie</country>
<wicri:regionArea>Animal Health and Welfare Unit, European Food Safety Authority (EFSA), Largo N, Palli 5IA, I-43100 Parma</wicri:regionArea>
<wicri:noRegion>I-43100 Parma</wicri:noRegion>
</affiliation>
</author>
</analytic>
<series><title level="j">Results in immunology</title>
<imprint><date when="2012" type="published">2012</date>
</imprint>
</series>
</biblStruct>
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<front><div type="abstract" xml:lang="en">The molecular mechanisms by which disseminated neoplasia (DN) is developed in soft shell clams Mya arenaria remain largely unknown. This study aims at quantifying Rho-like GTPase, RAS-Rho, RAS-related C3 botulinum (RAS C3), c-jun as well as c-myc transcript levels in clams sampled at North River (Charlottetown, Prince Edward Island, Canada). The transcripts were quantified using multiplex gene analysis (Quantigene(®) 2 Plex, Affymetrix) in 3 groups of clams: (1) Group C (healthy clams considered as control) with a low percentage of tetraploid hemocytes (<10%); (2) Group D (disease in development): individuals presenting a percentage of tetraploid cells ranging between 10% and 50%; (3) Group E (established disease): clams with a high percentage of tetraploid hemocytes (>50%). Data showed a down-regulation of Rho-like GTPase, Rho-like subfamily, RAS C3, c-jun and an up-regulation of c-myc gene expression. It is believed that a deregulation of the expression of these genes could partly unravel the molecular mechanisms involved in the development of DN in soft shell clams Mya arenaria. Further investigations should be pursued to determine the role of these gene products in clams' hemocytes.</div>
</front>
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