{"title":"Toxicity studies of hexachlorobenzene administered by gavage to female Sprague Dawley (Hsd:Sprague Dawley SD) rats.","authors":"","doi":"10.22427/NTP-TOX-77","DOIUrl":null,"url":null,"abstract":"<p><p>Despite the cessation of its production and use in many parts of the world, hexachlorobenzene (HCB) remains highly persistent in the environment, and chronic, low-dose exposure to HCB in humans continues. Its structural resemblance to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), ability to activate the aryl hydrocarbon (Ah) receptor, TCDD-like toxicities, and bioaccumulative nature suggest HCB be included in the toxic equivalency factor (TEF) methodology. Consequently, the National Toxicology Program conducted this subchronic study of HCB, including measurement of a variety of toxicological and biochemical endpoints, to allow comparison to TCDD data obtained in a previous 2-year bioassay. (Abstract Abridged).</p>","PeriodicalId":23116,"journal":{"name":"Toxicity report series","volume":" 77","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2021-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8039885/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Toxicity report series","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.22427/NTP-TOX-77","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Despite the cessation of its production and use in many parts of the world, hexachlorobenzene (HCB) remains highly persistent in the environment, and chronic, low-dose exposure to HCB in humans continues. Its structural resemblance to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), ability to activate the aryl hydrocarbon (Ah) receptor, TCDD-like toxicities, and bioaccumulative nature suggest HCB be included in the toxic equivalency factor (TEF) methodology. Consequently, the National Toxicology Program conducted this subchronic study of HCB, including measurement of a variety of toxicological and biochemical endpoints, to allow comparison to TCDD data obtained in a previous 2-year bioassay. (Abstract Abridged).
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