首页> 外文会议>International Symposium on Energy and Protein Metabolism and Nutrition >Net flux of amino acids across splanchnic tissues of ewes during abomasal protein and glucose infusion
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Net flux of amino acids across splanchnic tissues of ewes during abomasal protein and glucose infusion

机译:母羊蛋白质和葡萄糖输注期间EWES的氨基酸净化氨基酸的净助焊剂

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Studies in sheep (MacRae et al, 1997) and in pigs (Stoll et al, 1998) indicated that approximately one-third of the amino acids absorbed by the enterocytes are metabolized within the enterocyte and are never released into the blood. Amongst those amino acids that are metabolized, 60% are apparently catabolized (Stoll et al, 1998) suggesting that 20% of the absorbed amino acids are catabolized for energy within the enterocyte. A potential mechanism to reduce amino acid catabolism by enterocytes is toprovide an alternative energy source. We hypothesized that amino acid catabolism within enterocytes can be reduced by elevating glucose availability to enterocytes, resulting in increased net appearance of amino acids in portal vein blood.
机译:羊(Macrae等,1997)和猪(STOLL等,1998)的研究表明,肠细胞吸收的大约三分之一的氨基酸在肠细胞内代谢,从未释放到血液中。在代谢的那些氨基酸中,60%显然被分解代谢(STOLL等,1998),表明20%的吸收氨基酸在肠细胞内被分解用于能量。通过肠细胞减少氨基酸分解代谢的潜在机制是替代能源的替代能源。我们假设通过升高葡萄糖可用性对肠细胞来降低肠细胞内的氨基酸分解代谢,导致门静脉血液中氨基酸的净外观增加。

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