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Proteomic analysis of effects on natural herb additive containing immunoglobulin Yolksac (IgY) in pigs.

Posted by on in 2011
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Research Institute of Life Science and College of Veterinary Medicine, Gyeongsang National University, Republic of Korea.

Abstract

Thirty male pigs were infected orally with E. coli and Salmonella typhimurium, and divided into a control group and two additive groups to determine the effect of an additive mixture on the changes in protein expression. The pigs were given a food supplemented with a natural herbal additive containing immunoglobulin yolksac (IgY) at concentrations of 0.5% or 1%. On the 1st day and after eight weeks of feeding, the body weight gain, food intake and serum GOT/GPT levels were examined. The GOT/GPT levels on the 1st day were similar in the three groups. However, after eight weeks of feeding, the GOT level was significantly lower in the additive treatment groups (0.5% and 1.0%). In addition, the changes in the spleen proteome as a response to the herbal additive were examined using two-dimensional polyacrylamide gel electrophoresis. A total of 31 differentially expressed protein spots were identified by comparing the protein profiles of the control and additive treated porcine spleens. Finally, 19 proteins were detected by MALDI-TOF/MS. Overall, the proteins detected are involved in a range of biological process, such as metabolic processes, biological processes, transport, carbohydrate metabolic processes, generation of precursors and energy. In conclusion, these results support of the hypothesis that a natural herbal additive containing IgY can affect the immune regulation system and reduce the stress of microbial infections.

PMID:
21598416
[PubMed - in process]
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