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Maternal nicotinamide supplementation during late gestation and early lactation alters hepatic glucose and lipid metabolism in kids
Animal Feed Science and Technology ( IF 3.2 ) Pub Date : 2020-09-01 , DOI: 10.1016/j.anifeedsci.2020.114528
Xiaoshi Wei , Qingyan Yin , Huihui Zhao , Huai Jiang , Jiajun He , Chuanjiang Cai , Yangchun Cao , Junhu Yao

Abstract The objective of this study was to determine whether maternal nicotinamide (NAM) supplementation in does during the late pregnancy and early lactation results in differences in intestinal glucose transporters and hepatic genes and enzymes regulating glucose and fatty acid metabolism of kids. Fifteen multiparous does were paired into 5 blocks based on similarities in BW, previous milking yield, and the number of fetuses then randomly assigned within block to 1 of 3 treatments: control (C, no supplementation), postpartum (P, supplemented post-kidding), and entire-perinatal (EP, supplemented from d -21 to 28 around kidding). The NAM at 5 g/d were drenched to does in P and EP daily at 0700 h. After kidding, the kids were separated from their dams, named LC, LP, and LEP, respectively, and fed equal amounts of milk from their mothers until 28 days of age. The DMI and milk of the does were measured weekly, and the blood and tissue samples of the kids were taken at d 28. Data were analyzed using the MIXED procedure of SAS. For the does, the DMI and lactation performance of does were not affected (P > 0.10). For the kids, the plasma triglyceride (TG) concentration was greater in LEP than in LC and LP (P 0.10). The hepatic enzyme activity of 1- acylglycerol-3-phosphate acyltransferases 6 was decreased in LEP (P = 0.04), and hormone-sensitive lipase activity was increased in LP compared that in LC (P = 0.04). Furthermore, the hepatic relative mRNA expression of phosphoenolpyruvate carboxykinase, glycogen synthase and GLUT2 were reduced in LP and LEP, (P

中文翻译:

母体在妊娠晚期和泌乳早期补充烟酰胺可改变儿童肝糖脂代谢

摘要 本研究的目的是确定母体在妊娠晚期和泌乳早期补充烟酰胺 (NAM) 是否会导致肠道葡萄糖转运蛋白和调节儿童葡萄糖和脂肪酸代谢的肝脏基因和酶的差异。根据 BW、以前的挤奶量和胎儿数量的相似性,将 15 只经产雌性配对成 5 个块,然后在块内随机分配到 3 个处理中的 1 个:对照(C,不补充),产后(P,在孩子之后补充) ),以及整个围产期(EP,从 d -21 到 28 左右补充)。每天 0700 小时将 5 g/d 的 NAM 浸入 P 和 EP 中。开个玩笑之后,孩子们和他们的大坝分开了,分别命名为LC、LP和LEP,并从他们的母亲那里喂等量的牛奶,直到 28 天大。每周测量一次 DMI 和乳汁,并在第 28 天采集儿童的血液和组织样本。使用 SAS 的 MIXED 程序分析数据。对于母鹿,母鹿的 DMI 和泌乳性能不受影响(P > 0.10)。对于孩子,LEP 的血浆甘油三酯 (TG) 浓度高于 LC 和 LP (P = 0.10)。与LC相比,LEP中1-酰基甘油-3-磷酸酰基转移酶6的肝酶活性降低(P = 0.04),LP中激素敏感性脂肪酶活性增加(P = 0.04)。此外,LP 和 LEP 中磷酸烯醇式丙酮酸羧激酶、糖原合酶和 GLUT2 的肝脏相对 mRNA 表达降低,(P 在第 28 天采集孩子的血液和组织样本。使用 SAS 的 MIXED 程序分析数据。对于母鹿,母鹿的 DMI 和泌乳性能不受影响(P > 0.10)。对于孩子,LEP 的血浆甘油三酯 (TG) 浓度高于 LC 和 LP (P = 0.10)。与LC相比,LEP中1-酰基甘油-3-磷酸酰基转移酶6的肝酶活性降低(P = 0.04),LP中激素敏感性脂肪酶活性增加(P = 0.04)。此外,LP 和 LEP 中磷酸烯醇式丙酮酸羧激酶、糖原合酶和 GLUT2 的肝脏相对 mRNA 表达降低,(P 在第 28 天采集孩子的血液和组织样本。使用 SAS 的 MIXED 程序分析数据。对于母鹿,母鹿的 DMI 和泌乳性能不受影响(P > 0.10)。对于孩子,LEP 的血浆甘油三酯 (TG) 浓度高于 LC 和 LP (P = 0.10)。与LC相比,LEP中1-酰基甘油-3-磷酸酰基转移酶6的肝酶活性降低(P = 0.04),LP中激素敏感性脂肪酶活性增加(P = 0.04)。此外,LP 和 LEP 中磷酸烯醇式丙酮酸羧激酶、糖原合酶和 GLUT2 的肝脏相对 mRNA 表达降低,(P 对于孩子,LEP 的血浆甘油三酯 (TG) 浓度高于 LC 和 LP (P = 0.10)。与LC相比,LEP中1-酰基甘油-3-磷酸酰基转移酶6的肝酶活性降低(P = 0.04),LP中激素敏感性脂肪酶活性增加(P = 0.04)。此外,LP 和 LEP 中磷酸烯醇式丙酮酸羧激酶、糖原合酶和 GLUT2 的肝脏相对 mRNA 表达降低,(P 对于孩子,LEP 的血浆甘油三酯 (TG) 浓度高于 LC 和 LP (P = 0.10)。与LC相比,LEP中1-酰基甘油-3-磷酸酰基转移酶6的肝酶活性降低(P = 0.04),LP中激素敏感性脂肪酶活性增加(P = 0.04)。此外,LP 和 LEP 中磷酸烯醇式丙酮酸羧激酶、糖原合酶和 GLUT2 的肝脏相对 mRNA 表达降低,(P
更新日期:2020-09-01
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