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Molecules 2018, 23(4), 932; doi:10.3390/molecules23040932

Polysaccharide of Atractylodes macrocephala Koidz (PAMK) Relieves Immunosuppression in Cyclophosphamide-Treated Geese by Maintaining a Humoral and Cellular Immune Balance

1,2,†
,
2,3,†
,
2,3
,
2,3
,
2,3
,
2,3,* and 1,*
1
Guangdong Provincial Key Laboratory of Animal Nutrition Control, College of Animal Sciences, South China Agricultural University, Guangzhou 510642, China
2
Guangdong Province Key Laboratory of Waterfowl Healthy Breeding, Guangzhou 510225, China
3
College of Animal Science & Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
These authors contributed equally.
*
Authors to whom correspondence should be addressed.
Received: 1 March 2018 / Revised: 31 March 2018 / Accepted: 2 April 2018 / Published: 17 April 2018
(This article belongs to the Section Natural Products)
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Abstract

Polysaccharide of Atractylodes macrocephala Koidz (PAMK) has been well recognized as an immune enhancer that can promote lymphocyte proliferation and activate immune cells. The purpose of this study was to evaluate the effects of PAMK on humoral and cellular immune functions in immunosuppressed geese. Geese of the Control group were provided with normal feed, the PAMK group was provided with 400 mg·(kg body weight)−1 PAMK, the cyclophosphamide (CTX) group was injected with 40 mg·(kg body weight)−1 cyclophosphamide, while the CTX+PAMK group received the combination of PAMK and CTX. Spleen development and percentages of leukocytes in peripheral blood were examined. Principal component analysis was conducted to analyze correlations among humoral and cellular immune indicators. The results showed that PAMK alleviated the damage to the spleen, the decrease in T- and B-cell proliferation, the imbalance of leukocytes, and the disturbances of humoral and cellular immunity caused by CTX. Principal component analysis revealed that the relevance of humoral-immunity-related indicators was greater, and the CTX+PAMK group manifested the largest difference from the CTX group but was close to the Control group. In conclusion, PAMK alleviates the immunosuppression caused by CTX in geese, and the protective effect on humoral immunity is more obvious and stable. View Full-Text
Keywords: polysaccharide of Atractylodes macrocephala Koidz; cyclophosphamide; spleen; cellular immunity; humoral immunity; principal component analysis polysaccharide of Atractylodes macrocephala Koidz; cyclophosphamide; spleen; cellular immunity; humoral immunity; principal component analysis
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Li, W.; Guo, S.; Xu, D.; Li, B.; Cao, N.; Tian, Y.; Jiang, Q. Polysaccharide of Atractylodes macrocephala Koidz (PAMK) Relieves Immunosuppression in Cyclophosphamide-Treated Geese by Maintaining a Humoral and Cellular Immune Balance. Molecules 2018, 23, 932.

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