Oral administration of short chain fatty acids could attenuate fat deposition of pigs.

Oral administration of short chain fatty acids could attenuate fat deposition of pigs.
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口服短链脂肪酸可减少猪的脂肪沉积

DOI:
10.1371/journal.pone.0196867
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发表时间:
2018
期刊:
影响因子:
3.7
通讯作者:
Chen DW
Chen DW
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Jiao AR;Diao H;Yu B;He J;Yu J;Zheng P;Huang ZQ;Luo YH;Luo JQ;Mao XB;Chen DW

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短链脂肪酸(SCFA)是后肠微生物群发酵的难消化碳水化合物的主要产物。本研究旨在探讨口服短链脂肪酸SCFAs对断奶仔猪脂质代谢的影响。将21只公猪随机分为三组,包括对照组(每天口服200 mL生理盐水)、低剂量SCFAs组(每天口服200 mL含有乙酸20.04 mM、丙酸7.71 mM和丁酸4.89 mM的SCFAs)和高剂量SCFAs组(每天口服200 mL SCFAs)。每天含有乙酸 40.08 mM、丙酸 15.42 mM 和丁酸 9.78 mM)。结果表明,SCFAs组的平均日采食量低于对照组(P<0.05)。口服SCFAs可降低甘油三酯(TG)、总胆固醇(TC)、高密度脂蛋白胆固醇和胰岛素浓度(P<0.05),并增加血清瘦素浓度(P<0.05)。口服SCFAs可降低肝脏总脂肪以及TC和TG水平(P<0.05)。此外,SCFAs还下调了肝脏中脂肪酸合酶(FAS)和甾醇调节元件结合蛋白1c的mRNA表达(P<0.05),并增强了肉碱棕榈酰转移酶-1α(CPT-1α)的mRNA表达(P<0.05)。 SCFA 还降低了背最长肌中的 FAS、乙酰辅酶 A 羧化酶 (ACC) 和过氧化物酶体增殖物激活受体 σ mRNA 表达 (P<0.05)。在腹部脂肪中,SCFAs 降低了 FAS 和 ACC mRNA 的表达(P<0.05),增加了 CPT-1α mRNA 的表达(P<0.05)。这些结果表明,口服短链脂肪酸可以通过减少脂肪生成和增强不同组织的脂肪分解来减少断奶猪的脂肪沉积。
Short chain fatty acids (SCFAs) are the main products of indigestible carbohydrates that are fermented by microbiota in the hindgut. This study was designed to investigate the effects of oral SCFAs administration on the lipid metabolism of weaned pigs. A total of 21 barrows were randomly allocated into three groups, including control group (orally infused with 200 mL physiological saline per day), low dose SCFAs group (orally infused with 200 mL SCFAs containing acetic acid 20.04 mM, propionic acid 7.71 mM and butyric acid 4.89 mM per day), and high dose SCFAs group (orally infused with 200 mL SCFAs containing acetic acid 40.08 mM, propionic acid 15.42 mM and butyric acid 9.78 mM per day). The results showed that the average daily feed intake of SCFAs groups were lower than that of control group (P<0.05). Oral administration of SCFAs decreased the concentrations of triglyceride (TG), total cholesterol (TC), high density lipoprotein-cholesterol and insulin (P<0.05), and increased the leptin concentration in serum (P<0.05). The total fat, as well as TC and TG levels in liver, was decreased by oral SCFAs administration (P<0.05). In addition, SCFAs down-regulated the mRNA expressions of fatty acid synthase (FAS) and sterol regulatory element binding protein 1c (P<0.05), and enhanced the mRNA expression of carnitine palmitoyltransferase-1α (CPT-1α) in liver (P<0.05). SCFAs also decreased FAS, acetyl-CoA carboxylase (ACC) and peroxisome proliferator activated receptor σ mRNA expressions in longissimus dorsi (P<0.05). And in abdominal fat, SCFAs reduced FAS and ACC mRNA expressions (P<0.05), and increased CPT-1α mRNA expression (P<0.05). These results suggested that oral administration of SCFAs could attenuate fat deposition in weaned pigs via reducing lipogenesis and enhancing lipolysis of different tissues.
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发表时间: 2010-08-01
影响因子: 7
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发表时间: 1999-04-01
期刊: DIABETES
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发表时间: 2006-12-14
期刊: NATURE
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