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Silver ion-enhanced particle-specific cytotoxicity of silver nanoparticles and effect on the production of extracellular secretions of Phanerochaete chrysosporium.

Identifieur interne : 000103 ( Main/Exploration ); précédent : 000102; suivant : 000104

Silver ion-enhanced particle-specific cytotoxicity of silver nanoparticles and effect on the production of extracellular secretions of Phanerochaete chrysosporium.

Auteurs : Zhenzhen Huang [République populaire de Chine] ; Piao Xu [République populaire de Chine] ; Guiqiu Chen [République populaire de Chine] ; Guangming Zeng [République populaire de Chine] ; Anwei Chen [République populaire de Chine] ; Zhongxian Song [République populaire de Chine] ; Kai He [République populaire de Chine] ; Lei Yuan [République populaire de Chine] ; Hui Li [République populaire de Chine] ; Liang Hu [République populaire de Chine]

Source :

RBID : pubmed:29331621

Descripteurs français

English descriptors

Abstract

This study investigated the influence of silver ions (Ag+) on the cytotoxicity of silver nanoparticles (AgNPs) in Phanerochaete chrysosporium and noted the degree of extracellular secretions in response to the toxicant's stress. Oxalate production was elicited with moderate concentrations of 2,4-dichlorophenol (2,4-DCP) and AgNPs reaching a plateau at 10 mg/L and 10 μM, respectively. Increased oxalate accumulation was accompanied by higher activities of manganese peroxidase (MnP) and lignin peroxidase (LiP). However, the secretion of oxalate, MnP and LiP was significantly inhibited owing to Ag+ incorporation into AgNP solution. Production of extracellular polymeric substances (EPS) significantly elevated with an increase in 2,4-DCP concentrations; however, after 24 h of exposure to 100 mg/L 2,4-DCP, an obvious decrease in EPS occurred, indicating that part of EPS could be consumed as carbon and energy sources to ameliorate biological tolerance to toxic stress. Furthermore, AgNP-induced "particle-specific" cytotoxicity was substantially enhanced with additional Ag+ as evidenced by its significant negative impact on cellular growth, plasma membrane integrity, and morphological preservation compared with AgNPs at equal Ag concentration.

DOI: 10.1016/j.chemosphere.2017.12.185
PubMed: 29331621


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<term>Peroxidases (metabolism)</term>
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<div type="abstract" xml:lang="en">This study investigated the influence of silver ions (Ag
<sup>+</sup>
) on the cytotoxicity of silver nanoparticles (AgNPs) in Phanerochaete chrysosporium and noted the degree of extracellular secretions in response to the toxicant's stress. Oxalate production was elicited with moderate concentrations of 2,4-dichlorophenol (2,4-DCP) and AgNPs reaching a plateau at 10 mg/L and 10 μM, respectively. Increased oxalate accumulation was accompanied by higher activities of manganese peroxidase (MnP) and lignin peroxidase (LiP). However, the secretion of oxalate, MnP and LiP was significantly inhibited owing to Ag
<sup>+</sup>
incorporation into AgNP solution. Production of extracellular polymeric substances (EPS) significantly elevated with an increase in 2,4-DCP concentrations; however, after 24 h of exposure to 100 mg/L 2,4-DCP, an obvious decrease in EPS occurred, indicating that part of EPS could be consumed as carbon and energy sources to ameliorate biological tolerance to toxic stress. Furthermore, AgNP-induced "particle-specific" cytotoxicity was substantially enhanced with additional Ag
<sup>+</sup>
as evidenced by its significant negative impact on cellular growth, plasma membrane integrity, and morphological preservation compared with AgNPs at equal Ag concentration.</div>
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<AbstractText>This study investigated the influence of silver ions (Ag
<sup>+</sup>
) on the cytotoxicity of silver nanoparticles (AgNPs) in Phanerochaete chrysosporium and noted the degree of extracellular secretions in response to the toxicant's stress. Oxalate production was elicited with moderate concentrations of 2,4-dichlorophenol (2,4-DCP) and AgNPs reaching a plateau at 10 mg/L and 10 μM, respectively. Increased oxalate accumulation was accompanied by higher activities of manganese peroxidase (MnP) and lignin peroxidase (LiP). However, the secretion of oxalate, MnP and LiP was significantly inhibited owing to Ag
<sup>+</sup>
incorporation into AgNP solution. Production of extracellular polymeric substances (EPS) significantly elevated with an increase in 2,4-DCP concentrations; however, after 24 h of exposure to 100 mg/L 2,4-DCP, an obvious decrease in EPS occurred, indicating that part of EPS could be consumed as carbon and energy sources to ameliorate biological tolerance to toxic stress. Furthermore, AgNP-induced "particle-specific" cytotoxicity was substantially enhanced with additional Ag
<sup>+</sup>
as evidenced by its significant negative impact on cellular growth, plasma membrane integrity, and morphological preservation compared with AgNPs at equal Ag concentration.</AbstractText>
<CopyrightInformation>Copyright © 2017 Elsevier Ltd. All rights reserved.</CopyrightInformation>
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<Initials>G</Initials>
<AffiliationInfo>
<Affiliation>College of Environmental Science and Engineering, Hunan University, Changsha, 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, PR China. Electronic address: zgming@hnu.edu.cn.</Affiliation>
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<ForeName>Anwei</ForeName>
<Initials>A</Initials>
<AffiliationInfo>
<Affiliation>College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, PR China. Electronic address: A.Chen@hunau.edu.cn.</Affiliation>
</AffiliationInfo>
</Author>
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<LastName>Song</LastName>
<ForeName>Zhongxian</ForeName>
<Initials>Z</Initials>
<AffiliationInfo>
<Affiliation>School of Municipal and Environmental Engineering, Henan University of Urban Construction, Pingdingshan, 467036, PR China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>He</LastName>
<ForeName>Kai</ForeName>
<Initials>K</Initials>
<AffiliationInfo>
<Affiliation>College of Environmental Science and Engineering, Hunan University, Changsha, 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, PR China.</Affiliation>
</AffiliationInfo>
</Author>
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<LastName>Yuan</LastName>
<ForeName>Lei</ForeName>
<Initials>L</Initials>
<AffiliationInfo>
<Affiliation>College of Environmental Science and Engineering, Hunan University, Changsha, 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, PR China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Li</LastName>
<ForeName>Hui</ForeName>
<Initials>H</Initials>
<AffiliationInfo>
<Affiliation>College of Environmental Science and Engineering, Hunan University, Changsha, 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, PR China.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Hu</LastName>
<ForeName>Liang</ForeName>
<Initials>L</Initials>
<AffiliationInfo>
<Affiliation>College of Environmental Science and Engineering, Hunan University, Changsha, 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha, 410082, PR China.</Affiliation>
</AffiliationInfo>
</Author>
</AuthorList>
<Language>eng</Language>
<PublicationTypeList>
<PublicationType UI="D016428">Journal Article</PublicationType>
</PublicationTypeList>
<ArticleDate DateType="Electronic">
<Year>2017</Year>
<Month>12</Month>
<Day>30</Day>
</ArticleDate>
</Article>
<MedlineJournalInfo>
<Country>England</Country>
<MedlineTA>Chemosphere</MedlineTA>
<NlmUniqueID>0320657</NlmUniqueID>
<ISSNLinking>0045-6535</ISSNLinking>
</MedlineJournalInfo>
<ChemicalList>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D002733">Chlorophenols</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D007477">Ions</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D010070">Oxalates</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="C586932">colloidal silver</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>3M4G523W1G</RegistryNumber>
<NameOfSubstance UI="D012834">Silver</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>EC 1.11.1.-</RegistryNumber>
<NameOfSubstance UI="D010544">Peroxidases</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>EC 1.11.1.-</RegistryNumber>
<NameOfSubstance UI="C042858">lignin peroxidase</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>EC 1.11.1.13</RegistryNumber>
<NameOfSubstance UI="C051129">manganese peroxidase</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>R669TG1950</RegistryNumber>
<NameOfSubstance UI="C004762">2,4-dichlorophenol</NameOfSubstance>
</Chemical>
</ChemicalList>
<CitationSubset>IM</CitationSubset>
<MeshHeadingList>
<MeshHeading>
<DescriptorName UI="D002733" MajorTopicYN="N">Chlorophenols</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D007477" MajorTopicYN="N">Ions</DescriptorName>
<QualifierName UI="Q000494" MajorTopicYN="Y">pharmacology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D053768" MajorTopicYN="N">Metal Nanoparticles</DescriptorName>
<QualifierName UI="Q000633" MajorTopicYN="Y">toxicity</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D010070" MajorTopicYN="N">Oxalates</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D010544" MajorTopicYN="N">Peroxidases</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D020075" MajorTopicYN="N">Phanerochaete</DescriptorName>
<QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D012834" MajorTopicYN="N">Silver</DescriptorName>
<QualifierName UI="Q000633" MajorTopicYN="Y">toxicity</QualifierName>
</MeshHeading>
</MeshHeadingList>
<KeywordList Owner="NOTNLM">
<Keyword MajorTopicYN="N">Enhanced “particle-specific” cytotoxicity</Keyword>
<Keyword MajorTopicYN="N">Extracellular secretions</Keyword>
<Keyword MajorTopicYN="N">Phanerochaete chrysosporium</Keyword>
<Keyword MajorTopicYN="N">Silver ions</Keyword>
<Keyword MajorTopicYN="N">Silver nanoparticles</Keyword>
</KeywordList>
</MedlineCitation>
<PubmedData>
<History>
<PubMedPubDate PubStatus="received">
<Year>2017</Year>
<Month>09</Month>
<Day>01</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="revised">
<Year>2017</Year>
<Month>12</Month>
<Day>19</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="accepted">
<Year>2017</Year>
<Month>12</Month>
<Day>28</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="pubmed">
<Year>2018</Year>
<Month>1</Month>
<Day>15</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="medline">
<Year>2018</Year>
<Month>3</Month>
<Day>13</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="entrez">
<Year>2018</Year>
<Month>1</Month>
<Day>15</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
</History>
<PublicationStatus>ppublish</PublicationStatus>
<ArticleIdList>
<ArticleId IdType="pubmed">29331621</ArticleId>
<ArticleId IdType="pii">S0045-6535(17)32163-X</ArticleId>
<ArticleId IdType="doi">10.1016/j.chemosphere.2017.12.185</ArticleId>
</ArticleIdList>
</PubmedData>
</pubmed>
<affiliations>
<list>
<country>
<li>République populaire de Chine</li>
</country>
</list>
<tree>
<country name="République populaire de Chine">
<noRegion>
<name sortKey="Huang, Zhenzhen" sort="Huang, Zhenzhen" uniqKey="Huang Z" first="Zhenzhen" last="Huang">Zhenzhen Huang</name>
</noRegion>
<name sortKey="Chen, Anwei" sort="Chen, Anwei" uniqKey="Chen A" first="Anwei" last="Chen">Anwei Chen</name>
<name sortKey="Chen, Guiqiu" sort="Chen, Guiqiu" uniqKey="Chen G" first="Guiqiu" last="Chen">Guiqiu Chen</name>
<name sortKey="He, Kai" sort="He, Kai" uniqKey="He K" first="Kai" last="He">Kai He</name>
<name sortKey="Hu, Liang" sort="Hu, Liang" uniqKey="Hu L" first="Liang" last="Hu">Liang Hu</name>
<name sortKey="Li, Hui" sort="Li, Hui" uniqKey="Li H" first="Hui" last="Li">Hui Li</name>
<name sortKey="Song, Zhongxian" sort="Song, Zhongxian" uniqKey="Song Z" first="Zhongxian" last="Song">Zhongxian Song</name>
<name sortKey="Xu, Piao" sort="Xu, Piao" uniqKey="Xu P" first="Piao" last="Xu">Piao Xu</name>
<name sortKey="Yuan, Lei" sort="Yuan, Lei" uniqKey="Yuan L" first="Lei" last="Yuan">Lei Yuan</name>
<name sortKey="Zeng, Guangming" sort="Zeng, Guangming" uniqKey="Zeng G" first="Guangming" last="Zeng">Guangming Zeng</name>
</country>
</tree>
</affiliations>
</record>

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