Metabolic inhibitors synergistically decrease hepatic energy status and increase food intake.

Metabolic inhibitors synergistically decrease hepatic energy status and increase food intake.
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代谢抑制剂可协同降低肝脏能量状态并增加食物摄入量。

DOI:
10.1152/ajpregu.2000.278.6.r1579
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发表时间:
2000
期刊:
American journal of physiology. Regulatory, integrative and comparative physiology
影响因子:
--
通讯作者:
Friedman,MI
Friedman,MI
中科院分区:
--
文献类型:
--
作者:
Ji,H;Graczyk-Milbrandt,G;Friedman,MI

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以往的研究表明,给予代谢抑制剂2,5-脱水-d-甘露醇(2,5-AM)或棕榈酸甲酯(MP)可通过降低肝脏能量状态来诱导大鼠的摄食行为。与这些药物联合治疗可协同增加食物摄入量。本研究旨在调查联合治疗是否对肝脏能量状态也有协同作用。与对照组相比,两种抑制剂处理的大鼠的摄食行为都有所增加,而单独使用2,5-AM或MP的大鼠则没有。尽管单独使用2,5-AM降低了肝脏的ATP含量,但只有联合用药降低了肝脏的ATP/ADP比值和磷酸化潜能。MP处理不影响肝脏对2,5-AM的摄取。这些结果表明,肝脏能量状态的降低是2,5-AM和MP诱导进食行为的共同触发信号,并为食物摄入量的综合代谢控制提供了额外的证据。
Previous studies indicate that administration of the metabolic inhibitor, 2,5-anhydro-d-mannitol (2,5-AM) or methyl palmoxirate (MP), induces feeding behavior in rats by lowering hepatic energy status. Combined treatment with these agents synergistically increases food intake. The present study was designed to investigate whether combined treatment also has a synergistic effect on hepatic energy status. Rats treated with both inhibitors increased feeding behavior compared with the controls, whereas those treated with 2,5-AM or MP alone did not. Although 2,5-AM alone lowered hepatic ATP content regardless of MP treatment, only the combination resulted in decreases in hepatic ATP/ADP ratio and phosphorylation potential. MP treatment did not affect the uptake of 2,5-AM into liver. These results suggest that a reduction in hepatic energy status is the common triggering signal for eating behavior induced by 2,5-AM and MP and provide additional evidence for an integrated metabolic control of food intake.
饮食的代谢控制1
DOI: 10.1159/000421670
发表时间: 1992
影响因子: 1.1
作者:
W. Langhans;E. Scharrer
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辣椒素可以消除大鼠的禁脂喂养,但不能取消禁糖喂养。
DOI: 10.1152/ajpregu.1989.256.6.r1232
发表时间: 1989
期刊: The American journal of physiology
影响因子: --
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Ritter,S;Taylor,JS
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用 2,5-AM 治疗的大鼠饮食行为与肝脏腺嘌呤核苷酸之间的时间关系。
DOI: 10.1152/ajpregu.1998.274.3.r610
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