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Factors Influencing Dechlorane plus Distributions in Various Sheep Tissues

Author

Listed:
  • Hongli Jin

    (College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
    Department of Biomedicine, Beijing City University, Beijing 100094, China)

  • Wenming Chen

    (College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China)

  • Junsong Bao

    (College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China)

  • Te Bu

    (College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China)

  • Tianwei Li

    (College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China)

  • Yiming Liu

    (College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China)

  • Yanli Liu

    (Department of Biomedicine, Beijing City University, Beijing 100094, China)

  • Jun Jin

    (College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
    Beijing Food and Environmental Health Engineering Center, Beijing 100081, China)

Abstract

Dechlorane plus (DP) is a potential persistent organic pollutant and its distribution in various tissues and organs of terrestrial organisms is currently unknown. DP concentrations in sheep tissues were determined in this study. The DP concentrations in the tissues decreased in the following order: abdominal fat > liver > stomach > heart > outer tenderloin > lung > hind leg meat > kidney > small intestine > tail fat > spleen > brain. Apart from brain and fat, anti-DP is enriched more readily than syn-DP in sheep tissues, but syn-DP is more readily enriched in brain and abdominal fat. The factors influencing DP distributions in sheep tissues were assessed by determining the DP to sheep serum albumin binding forces, binding types, and binding sites by fluorescence spectroscopy. The results indicated that anti-DP more readily binds to sheep serum albumin than does syn-DP. Therefore, sheep serum albumin will more readily transport anti-DP than syn-DP to sheep tissues, and anti-DP will be enriched more than syn-DP in the tissues. The molecular diameter of DP is the main factor affecting DP concentrations in sheep brain and fat because of the blood–brain barrier and because the main source of DP to abdominal fat is dermal contact.

Suggested Citation

  • Hongli Jin & Wenming Chen & Junsong Bao & Te Bu & Tianwei Li & Yiming Liu & Yanli Liu & Jun Jin, 2022. "Factors Influencing Dechlorane plus Distributions in Various Sheep Tissues," IJERPH, MDPI, vol. 19(13), pages 1-11, June.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:13:p:8004-:d:852084
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