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Effect of Dietary High Molybdenum on the Cell Cycle and Apoptosis of Kidney in Broilers

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Abstract

The experiment was conducted with the objective of examining the effects of high molybdenum on the cell cycle and apoptosis of kidney in broilers by the methods of flow cytometry. Three hundred 1-day-old Avian broilers were randomly divided into four groups, and fed on diets as follows: control diet (Mo 13 mg/kg) and high molybdenum diets (Mo 500 mg/kg, high molybdenum group I; Mo 1,000 mg/kg, high molybdenum group II; Mo 1,500 mg/kg, high molybdenum group III) for 6 weeks. The results showed that the relative weight of kidney were higher (P < 0.05 or P < 0.01), and the cellular percentages of G0/G1 phase were lower, and cellular percentages of S phase and the proliferating index were higher in high molybdenum groups II and III than in control group (P < 0.01). The percentage of renal cell apoptosis was increased in high molybdenum groups II and III when compared with that of control group (P < 0.01). Immunohistochemical test showed that there were increased frequencies of positive cells containing Bax protein and decreased frequencies of positive cells containing Bcl-2 protein in high molybdenum groups II and III. It was concluded that dietary high molybdenum (1,000 mg/kg and 1,500 mg/kg) impaired the progression of renal cells from S phase to G2M phase obviously and induced renal cell apoptosis.

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Abbreviations

PI:

Propidium iodide

PI value:

Proliferation index value

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Acknowledgment

The study was supported by Program for Changjiang Scholars and Innovative Research Team in University (IRT 0848) and Key Program of Education Department and Scientific Department of Sichuan Province (09ZZ017).

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Authors and Affiliations

  1. Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, College of Veterinary Medicine, Sichuan Agricultural University, Yaan, Sichuan, China, 625014

    Jie Xiao, Heng-min Cui, Fan Yang, Xi Peng & Yun Cui

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  1. Jie Xiao
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  2. Heng-min Cui
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Correspondence to Heng-min Cui.

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Xiao, J., Cui, Hm., Yang, F. et al. Effect of Dietary High Molybdenum on the Cell Cycle and Apoptosis of Kidney in Broilers. Biol Trace Elem Res 142, 523–531 (2011). https://doi.org/10.1007/s12011-010-8772-4

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  • DOI: https://doi.org/10.1007/s12011-010-8772-4

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