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Effects of Nano-Selenium on Antioxidant Capacity in Se-Deprived Tibetan Gazelle (Procapra picticaudata) in the Qinghai-Tibet Plateau

文献类型： 外文期刊

作者： Shen, Xiaoyun 1 ; Huo, Bin 1 ; Gan, Shangquan 4 ;

作者机构： 1.Southwest Univ Sci & Technol, Sch Life Sci & Engn, Mianyang 621010, Sichuan, Peoples R China

2.Hainan Normal Univ, Coll Life Sci, Haikou 571158, Hainan, Peoples R China

3.Southwest China, World Bank Poverty Alleviat Project Off Guizhou, Guiyang 550004, Guizhou, Peoples R China

4.Xinjiang Acad Agr & Reclamat Sci, State Key Lab Sheep Genet Improvement & Hlth Prod, Shihezi 832000, Xinjiang, Peoples R China

关键词： Selenium deprivation; Nano-selenium; Procapra picticaudata; Antioxidant capacity; The Qinghai-Tibet Plateau

期刊名称：BIOLOGICAL TRACE ELEMENT RESEARCH （ 影响因子：3.738； 五年影响因子：3.44 ）

ISSN： 0163-4984

年卷期：

页码：

收录情况： SCI

摘要： Tibetan gazelle (Procapra picticaudata) is an endangered ungulate in the Qinghai-Tibet Plateau, China. This study aimed to determine the influence of nano-Se on antioxidant system in Se-deprivedP. picticaudata.We analyzed contents of mineral elements in soil, forage, and animal tissue. Blood parameters and antioxidant indexes were also determined. The results showed that Se concentrations in the soil and forage from affected pasture were significantly lower than those in healthy area (P < 0.01). Se concentrations in blood and hair from affectedP. picticaudatawere also significantly lower than those in healthy animals (P < 0.01). Meanwhile, the levels of Hb, RBC, and PCV in affected gazelle were significantly lower than those in healthy animal (P < 0.01). The activities of AST, ALT, LDH, CK, and UA content in affected animal were significantly lower than those in healthy gazelles (P < 0.01). The levels of SOD, GSH-Px, CAT, and T-AOC in serum were significantly lower and the MDA content was significantly higher in affected compared with healthy gazelle (P < 0.01). AffectedP. picticaudatawere treated orally with nano-Se, Se concentration in blood significantly increased and serum antioxidant indexes greatly returned to within the healthy range. Consequently, nano-Se could not only markedly increase the Se content in blood in Se-deprivedP. picticaudatabut also much improves the antioxidant capacity.

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