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Toxins 2015, 7(4), 1341-1354; doi:10.3390/toxins7041341

Dietary l-Arginine Supplementation Protects Weanling Pigs from Deoxynivalenol-Induced Toxicity

Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, Hunan, China
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Academic Editor: Paola Battilani
Received: 2 February 2015 / Revised: 1 April 2015 / Accepted: 7 April 2015 / Published: 15 April 2015
(This article belongs to the Collection Understanding Mycotoxin Occurrence in Food and Feed Chains)
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Abstract

This study was conducted to determine the positive effects of dietary supplementation with l-arginine (Arg) on piglets fed a deoxynivalenol (DON)-contaminated diet. A total of eighteen, 28-day-old healthy weanling pigs were randomly assigned into one of three groups: uncontaminated basal diet (control group), 6 mg/kg DON-contaminated diet (DON group) and 6 mg/kg DON + 1% l-arginine (DON + ARG group). After 21 days of Arg supplementation, piglets in the DON and DON + ARG groups were challenged by feeding 6 mg/kg DON-contaminated diet for seven days. The results showed that DON resulted in damage to piglets. However, clinical parameters, including jejunal morphology, amino acid concentrations in the serum, jejunum and ileum, were improved by Arg (p < 0.05). Furthermore, the mRNA levels for sodium-glucose transporter-1 (SGLT-1), glucose transporter type-2 (GLUT-2) and y+l-type amino acid transporter-1 (y+LAT-1) were downregulated in the DON group, but the values were increased in the DON + ARG group (p < 0.05). Collectively, these results indicate that dietary supplementation with Arg exerts a protective role in pigs fed DON-contaminated diets. View Full-Text
Keywords: deoxynivalenol (DON); l-arginine; amino acid transporter; weanling pigs deoxynivalenol (DON); l-arginine; amino acid transporter; weanling pigs
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MDPI and ACS Style

Wu, L.; Liao, P.; He, L.; Feng, Z.; Ren, W.; Yin, J.; Duan, J.; Li, T.; Yin, Y. Dietary l-Arginine Supplementation Protects Weanling Pigs from Deoxynivalenol-Induced Toxicity. Toxins 2015, 7, 1341-1354.

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