Effects of Selenium-Enriched Yeast Improved Aflatoxin B1-Induced Changes in Growth Performance, Antioxidation Capacity, IL-2 and IFN-γ Contents, and Gene Expression in Mice

  • Lina Liu
  • Fu Chen
  • Shunyi QinEmail author
  • Jifei Ma
  • Liuan Li
  • Tianming Jin
  • Ruili Zhao


Sixty Kunming mice were randomly assigned into three groups. Mice in a control group were fed a basal diet, while mice in AFB1 group and AFB1-Se group were fed the basal diet supplemented with 250 μg/kg AFB1 or the basal diet supplemented with 250 μg/kg AFB1 and 0.2 mg/kg selenium as selenium-enriched yeast, respectively. On day 30 of the experiment, growth performance, glutathione peroxidase (GSH-Px) activities, total antioxidant capacity (T-AOC) levels, and malondialdehyde (MDA) contents in liver, interleukin-2 (IL-2), and interferon-γ (IFN-γ) contents in serum, and cytochrome P3a11 (Cyp3a11), IL-2, IFN-γ, and GSH-Px1 mRNA levels in liver were determined. The results showed that final weights, weight gains, T-AOC levels, GSH-Px1, and IFN-γ mRNA levels in AFB1-Se group and control group were higher or significantly higher than those in AFB1 group (P < 0.05 or P < 0.01), respectively. Body length gains in AFB1 group were lower than those in the control group (P < 0.05), while there was no significant difference between the AFB1-Se and control groups (P > 0.05). IL-2 contents and liver IL-2 mRNA levels in AFB1-Se group were significantly higher than those in the AFB1 group and control group (P < 0.01), and IL-2 contents in the control group were also significantly higher than those in the AFB1 group (P < 0.01). IFN-γ contents in AFB1-Se group and AFB1 group were significantly higher than those in control group (P < 0.01), while IFN-γ contents in AFB1-Se group were significantly lower than those in AFB1 group (P < 0.01). Cyp3a11 mRNA levels in AFB1-Se group and AFB1 group were significantly higher than those in the control group (P < 0.01). The results indicated that selenium-enriched yeast could partly reduce the toxicity induced by AFB1 in mice, including improving growth performance, antioxidation capacity, IL-2 and IFN-γ contents, and enhancing IL-2, IFN-γ, and GSH-Px1 mRNA levels.


Selenium-enriched yeast Aflatoxin B1 Growth performance Antioxidation capacity Interleukin-2 Interferon-γ Mice 


Funding Information

This research was supported by Young and Middle-aged Backbone Innovative Talents Training Program of the Higher Educational Institutions of Tianjin and Tianjin Research Program of Application Foundation and Advanced Technology (NO. 15JCYBJC30600) and Project of Tianjin one three one innovative talent team (20180318).

Compliance with Ethical Standards

Ethical Approval

All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.


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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.College of Animal Science and Veterinary MedicineTianjin Agricultural UniversityTianjinChina
  2. 2.College of Animal Science and TechnologyQingdao Agricultural UniversityQingdaoChina

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