Metabolic Characterization of Dairy Cows Treated with Gossypol by Blood Biochemistry and Body Fluid Untargeted Metabolome Analyses
文献类型: 外文期刊
第一作者: Tang, Chaohua
作者: Tang, Chaohua;Zhang, Kai;Zhan, Tengfei;Zhao, Qingyu;Zhang, Junmin;Tang, Chaohua;Zhang, Kai;Zhan, Tengfei;Zhao, Qingyu;Zhang, Junmin
作者机构:
关键词: gossypol;dairy cows;blood biochemistry;metabolome
期刊名称:JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY ( 影响因子:5.279; 五年影响因子:5.269 )
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收录情况: SCI
摘要: To characterize the metabolic disorders of dairy cows treated with gossypol, 12 dairy cows were assigned to either a control group or a treatment group that was fed 1000 mg of gossypol per kilogram of dry matter feed for 28 days. Milk quality was adversely affected, as both milk protein and lactose levels were significantly decreased in the gossypol-treated group (3.40% vs 3.16%, P = 0.044; 5.15% vs 4.91%, P = 0.027; respectively). Plasma samples revealed increases in alanine aminotransferase (P = 0.092), choline esterase (P = 0.02), and glutathione transferase (P = 0.0005) and decreases in glucose (P = 0.076) in the gossypol-treated group. Mass spectrometry based comparative metabolomic analyses showed reduced concentrations of the gluconeogenesis precursor L-glutamine (P = 0.047), with significant decreases (P < 0.05) in plasma L-lysine, L-threoriine, and homoserine levels after gossypol treatment. HDL-C and LDL-C levels in the gossypol-treated group were increased (P = 0.044) and decreased (P = 0.023), respectively. These results demonstrate that gossypol induced oxidative stress and hepatotoxicity; reduced peripheral lipid metabolism; and enhanced, hepatic lipid accumulation; decreased amino acid bioavailability and milk protein synthesis; and decreased gluconeogenesis and milk lactose in dairy cows.
分类号: R15`S
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