Investigation of Human Exposure to Triclocarban after Showering and Preliminary Evaluation of Its Biological Effects
The antibacterial soap additive triclocarban (TCC) is widely used in personal care products. TCC has a high environmental persistence. We developed and validated a sensitive online solid-phase extraction−LC−MS/MS method to rapidly analyze TCC and its major metabolites in urine and other biological s...
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| Veröffentlicht in: | Environmental science & technology 2011-04, Vol.45 (7), p.3109-3115 |
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| creator | Schebb, Nils Helge Inceoglu, Bora Ahn, Ki Chang Morisseau, Christophe Gee, Shirley J Hammock, Bruce D |
| description | The antibacterial soap additive triclocarban (TCC) is widely used in personal care products. TCC has a high environmental persistence. We developed and validated a sensitive online solid-phase extraction−LC−MS/MS method to rapidly analyze TCC and its major metabolites in urine and other biological samples to assess human exposure. We measured human urine concentrations 0−72 h after showering with a commercial bar soap containing 0.6% TCC. The major route of renal elimination was excretion as N-glucuronides. The absorption was estimated at 0.6% of the 70 ± 15 mg of TCC in the soap used. The TCC-N-glucuronide urine concentration varied widely among the subjects, and continuous daily use of the soap led to steady state levels of excretion. In order to assess potential biological effects arising from this exposure, we screened TCC for the inhibition of human enzymes in vitro. We demonstrate that TCC is a potent inhibitor of the enzyme soluble epoxide hydrolase (sEH), whereas TCC’s major metabolites lack strong inhibitory activity. Topical administration of TCC at similar levels to rats in a preliminary in vivo study, however, failed to alter plasma biomarkers of sEH activity. Overall the analytical strategy described here revealed that use of TCC soap causes exposure levels that warrant further evaluation. |
| doi_str_mv | 10.1021/es103650m |
| format | Article |
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Topical administration of TCC at similar levels to rats in a preliminary in vivo study, however, failed to alter plasma biomarkers of sEH activity. 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Sci. Technol</addtitle><description>The antibacterial soap additive triclocarban (TCC) is widely used in personal care products. TCC has a high environmental persistence. We developed and validated a sensitive online solid-phase extraction−LC−MS/MS method to rapidly analyze TCC and its major metabolites in urine and other biological samples to assess human exposure. We measured human urine concentrations 0−72 h after showering with a commercial bar soap containing 0.6% TCC. The major route of renal elimination was excretion as N-glucuronides. The absorption was estimated at 0.6% of the 70 ± 15 mg of TCC in the soap used. The TCC-N-glucuronide urine concentration varied widely among the subjects, and continuous daily use of the soap led to steady state levels of excretion. In order to assess potential biological effects arising from this exposure, we screened TCC for the inhibition of human enzymes in vitro. We demonstrate that TCC is a potent inhibitor of the enzyme soluble epoxide hydrolase (sEH), whereas TCC’s major metabolites lack strong inhibitory activity. Topical administration of TCC at similar levels to rats in a preliminary in vivo study, however, failed to alter plasma biomarkers of sEH activity. 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Inceoglu, Bora ; Ahn, Ki Chang ; Morisseau, Christophe ; Gee, Shirley J ; Hammock, Bruce D</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a527t-cea4e37cb33ba24d684ece0a5787776791e335f7ee682b35bed028c4d60f5fc03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Animals</topic><topic>Anti-Infective Agents, Local - analysis</topic><topic>Anti-Infective Agents, Local - metabolism</topic><topic>Anti-Infective Agents, Local - toxicity</topic><topic>Antimicrobial agents</topic><topic>Applied sciences</topic><topic>Baths - statistics & numerical data</topic><topic>Biological and medical sciences</topic><topic>Carbanilides - analysis</topic><topic>Carbanilides - metabolism</topic><topic>Carbanilides - toxicity</topic><topic>Chemical compounds</topic><topic>Chromatography, Liquid</topic><topic>Domestic and cosmetic products toxicology</topic><topic>Ecotoxicology and Human Environmental Health</topic><topic>Environmental Exposure - analysis</topic><topic>Environmental Exposure - statistics & numerical data</topic><topic>Enzymes</topic><topic>Exact sciences and technology</topic><topic>Extraction processes</topic><topic>Human exposure</topic><topic>Humans</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Metabolites</topic><topic>Pollution</topic><topic>Rats</topic><topic>Soap</topic><topic>Solid Phase Extraction</topic><topic>Studies</topic><topic>Tandem Mass Spectrometry</topic><topic>Toxicology</topic><topic>Urine</topic><topic>Water Pollutants, Chemical - analysis</topic><topic>Water Pollutants, Chemical - metabolism</topic><topic>Water Pollutants, Chemical - toxicity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Schebb, Nils Helge</creatorcontrib><creatorcontrib>Inceoglu, Bora</creatorcontrib><creatorcontrib>Ahn, Ki Chang</creatorcontrib><creatorcontrib>Morisseau, Christophe</creatorcontrib><creatorcontrib>Gee, Shirley J</creatorcontrib><creatorcontrib>Hammock, Bruce D</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Environmental science & technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Schebb, Nils Helge</au><au>Inceoglu, Bora</au><au>Ahn, Ki Chang</au><au>Morisseau, Christophe</au><au>Gee, Shirley J</au><au>Hammock, Bruce D</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation of Human Exposure to Triclocarban after Showering and Preliminary Evaluation of Its Biological Effects</atitle><jtitle>Environmental science & technology</jtitle><addtitle>Environ. Sci. Technol</addtitle><date>2011-04-01</date><risdate>2011</risdate><volume>45</volume><issue>7</issue><spage>3109</spage><epage>3115</epage><pages>3109-3115</pages><issn>0013-936X</issn><eissn>1520-5851</eissn><coden>ESTHAG</coden><abstract>The antibacterial soap additive triclocarban (TCC) is widely used in personal care products. TCC has a high environmental persistence. We developed and validated a sensitive online solid-phase extraction−LC−MS/MS method to rapidly analyze TCC and its major metabolites in urine and other biological samples to assess human exposure. We measured human urine concentrations 0−72 h after showering with a commercial bar soap containing 0.6% TCC. The major route of renal elimination was excretion as N-glucuronides. The absorption was estimated at 0.6% of the 70 ± 15 mg of TCC in the soap used. The TCC-N-glucuronide urine concentration varied widely among the subjects, and continuous daily use of the soap led to steady state levels of excretion. In order to assess potential biological effects arising from this exposure, we screened TCC for the inhibition of human enzymes in vitro. We demonstrate that TCC is a potent inhibitor of the enzyme soluble epoxide hydrolase (sEH), whereas TCC’s major metabolites lack strong inhibitory activity. Topical administration of TCC at similar levels to rats in a preliminary in vivo study, however, failed to alter plasma biomarkers of sEH activity. Overall the analytical strategy described here revealed that use of TCC soap causes exposure levels that warrant further evaluation.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>21381656</pmid><doi>10.1021/es103650m</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Animals Anti-Infective Agents, Local - analysis Anti-Infective Agents, Local - metabolism Anti-Infective Agents, Local - toxicity Antimicrobial agents Applied sciences Baths - statistics & numerical data Biological and medical sciences Carbanilides - analysis Carbanilides - metabolism Carbanilides - toxicity Chemical compounds Chromatography, Liquid Domestic and cosmetic products toxicology Ecotoxicology and Human Environmental Health Environmental Exposure - analysis Environmental Exposure - statistics & numerical data Enzymes Exact sciences and technology Extraction processes Human exposure Humans Male Medical sciences Metabolites Pollution Rats Soap Solid Phase Extraction Studies Tandem Mass Spectrometry Toxicology Urine Water Pollutants, Chemical - analysis Water Pollutants, Chemical - metabolism Water Pollutants, Chemical - toxicity |
| title | Investigation of Human Exposure to Triclocarban after Showering and Preliminary Evaluation of Its Biological Effects |
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