High-protein diet selectively reduces fat mass and improves glucose tolerance in Western-type diet-induced obese rats.

High-protein diet selectively reduces fat mass and improves glucose tolerance in Western-type diet-induced obese rats.
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高蛋白饮食选择性地减少西式饮食诱导的肥胖大鼠的脂肪量并改善葡萄糖耐量。

DOI:
10.1152/ajpregu.00598.2012
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发表时间:
2013
期刊:
American journal of physiology. Regulatory, integrative and comparative physiology
影响因子:
--
通讯作者:
Taché,Yvette
Taché,Yvette
中科院分区:
--
文献类型:
--
作者:
Stengel,Andreas;Goebel-Stengel,Miriam;Wang,Lixin;Hu,Eugenia;Karasawa,Hiroshi;Pisegna,JosephR;Taché,Yvette

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肥胖是一个日益严重的健康问题。由于药物治疗有限,饮食仍然很受欢迎。高蛋白饮食(HPD)可以减轻体重(BW),但其机制尚不清楚。我们研究了将饮食诱导肥胖 (DIO) 大鼠从西式饮食 (WTD) 改为 HPD 所改变的生理机制。雄性大鼠喂食标准(SD)或WTD(45%卡路里来自脂肪)。在开发 DIO(50% 的大鼠)后,将它们转为 SD(15% 卡路里来自蛋白质)或 HPD(52% 卡路里来自蛋白质)长达 4 周。监测食物摄入量(FI)、体重、身体成分、葡萄糖耐量、胰岛素敏感性和肠道激素血浆水平。与 SD 相比,喂食 WTD 的大鼠 FI 增加,9 周后体重增加 25%(P<0.05)。饮食诱导的肥胖大鼠从WTD切换到HPD,第1天每日FI减少30%,持续到今天9(-9%),并且与SD/SD相比,在2周期间体重减少(P<0.05)。在这 2 周内,WTD/HPD 大鼠比 WTD/SD 大鼠损失的脂肪量多 72%(P<0.05),而瘦体重则没有变化。灌胃后30分钟,WTD/HPD大鼠的血糖低于WTD/SD大鼠(P<0.05)。 2小时暗期喂养期间胰多肽和肽YY的增加量在WTD/HPD中高于WTD/SD(P<0.05)。这些数据表明,HPD 降低了 WTD 大鼠的体重,这可能与 FI 降低和脂肪量选择性减少以及葡萄糖耐量改善有关,表明 HPD 在治疗肥胖方面具有相关益处。
Obesity is an increasing health problem. Because drug treatments are limited, diets remain popular. High-protein diets (HPD) reduce body weight (BW), although the mechanisms are unclear. We investigated physiological mechanisms altered by switching diet induced obesity (DIO) rats from Western-type diet (WTD) to HPD. Male rats were fed standard (SD) or WTD (45% calories from fat). After developing DIO (50% of rats), they were switched to SD (15% calories from protein) or HPD (52% calories from protein) for up to 4 weeks. Food intake (FI), BW, body composition, glucose tolerance, insulin sensitivity, and intestinal hormone plasma levels were monitored. Rats fed WTD showed an increased FI and had a 25% greater BW gain after 9 wk compared with SD (P< 0.05). Diet-induced obese rats switched from WTD to HPD reduced daily FI by 30% onday 1, which lasted today 9(−9%) and decreased BW during the 2-wk period compared with SD/SD (P< 0.05). During these 2 wk, WTD/HPD rats lost 72% more fat mass than WTD/SD (P< 0.05), whereas lean mass was unaltered. WTD/HPD rats had lower blood glucose than WTD/SD at 30 min postglucose gavage (P< 0.05). The increase of pancreatic polypeptide and peptide YY during the 2-h dark-phase feeding was higher in WTD/HPD compared with WTD/SD (P< 0.05). These data indicate that HPD reduces BW in WTD rats, which may be related to decreased FI and the selective reduction of fat mass accompanied by improved glucose tolerance, suggesting relevant benefits of HPD in the treatment of obesity.
DOI: 10.1093/ajcn.82.1.41
发表时间: 2005-07
期刊: The American journal of clinical nutrition
影响因子: --
作者:
D. Weigle;P. Breen;C. Matthys;H. Callahan;Kaatje E. Meeuws;V. Burden;J. Purnell
通讯作者: D. Weigle;P. Breen;C. Matthys;H. Callahan;Kaatje E. Meeuws;V. Burden;J. Purnell
DOI: 10.1292/jvms.12-0007
发表时间: 2012-08-01
影响因子: 1.2
作者:
Homma, Tsuyoshi;Fujisawa, Michio;Ikeda, Masahiro
通讯作者: Ikeda, Masahiro
前吸收因素不是高蛋白饮食引起大鼠摄入抑制的主要决定因素
DOI: 10.1016/j.physbeh.2004.02.029
发表时间: 2004
影响因子: 2.9
作者:
D. L’Heureux;D. Tomé;A. Bensaid;C. Morens;Magali Lacroix;J. Huneau;G. Fromentin
通讯作者: G. Fromentin
DOI: 10.1677/joe.0.1800283
发表时间: 2004-02-01
影响因子: 4
作者:
Asakuma, S;Hiraku, O;Terashima, Y
通讯作者: Terashima, Y
无论饮食中的蛋白质水平及其来源如何,能量限制仅轻微影响肥胖大鼠的蛋白质代谢。
DOI: --
发表时间: 2013
影响因子: 4.9
作者:
L. Chevalier;C. Bos;D. Azzout;G. Fromentin;L. Mosoni;Nouredine Hafnaoui;J. Piedcoq;D. Tomé;C. Gaudichon
通讯作者: C. Gaudichon