Muscle protein breakdown during endotoxemia in rats and after treatment with interleukin-1 receptor antagonist (IL-1ra).

Muscle protein breakdown during endotoxemia in rats and after treatment with interleukin-1 receptor antagonist (IL-1ra).
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大鼠内毒素血症期间和用白细胞介素 1 受体拮抗剂 (IL-1ra) 治疗后的肌肉蛋白分解。

DOI:
10.1097/00000658-199209000-00018
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发表时间:
1992
期刊:
影响因子:
9
通讯作者:
Fischer,JE
Fischer,JE
中科院分区:
医学1区
文献类型:
--
作者:
Zamir,O;Hasselgren,PO;O'Brien,W;Thompson,RC;Fischer,JE

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本研究的目的是检查内毒素血症对肌肉蛋白质降解的影响,并检验内毒素血症期间肌肉蛋白质降解受白细胞介素-1(IL-1)调节的假设。大鼠皮下注射0.1或1.0mg/kg内毒素后,趾长伸肌总蛋白和肌原纤维蛋白的降解率均增加。IL-1受体拮抗剂以45或105 mg/kg的总剂量腹腔内给药,可减弱内毒素诱导的肌肉蛋白分解增加。结果表明,大鼠内毒素血症引起肌肉蛋白质分解的败血症样变化。内毒素血症期间增加的肌肉蛋白质分解可至少部分地由IL-1调节。
The purpose of this study was to examine the effect of endotoxemia on muscle protein degradation and to test the hypothesis that muscle proteolysis during endotoxemia is regulated by interleukin-1 (IL-1). Both total and myofibrillar protein breakdown rates in incubated extensor digitorum longus muscles were increased after the subcutaneous injection of 0.1 or 1.0 mg/kg endotoxin in rats. The endotoxin-induced increase in muscle protein breakdown was blunted by IL-1 receptor antagonist, administered intraperitoneally at a total dose of 45 or 105 mg/kg. Results suggest that endotoxemia in rats gives rise to sepsislike changes in muscle protein breakdown. Increased muscle protein breakdown during endotoxemia may be regulated, at least in part, by IL-1.
IL-1受体拮抗剂和抗IL-1受体单克隆抗体在体外抑制白介素1(IL-1)结合和生物活性的体外调节。
DOI: 10.1084/jem.173.4.931
发表时间: 1991-04-01
影响因子: 15.3
作者:
McIntyre, K W;Stepan, G J;Kolinsky, K D;Benjamin, W R;Plocinski, J M;Kaffka, K L;Campen, C A;Chizzonite, R A;Kilian, P L
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大鼠趾长伸肌和比目鱼肌在松弛或静息状态下的总蛋白分解和肌原纤维蛋白分解的调节。
DOI: 10.1042/bj2670037
发表时间: 1990
期刊: The Biochemical journal
影响因子: --
作者:
Hasselgren,PO;Hall-Angerås,M;Angerås,U;Benson,D;James,JH;Fischer,JE
通讯作者: Fischer,JE
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DOI: 10.1001/archsurg.1992.01420020052008
发表时间: 1992
期刊: Archives of surgery (Chicago, Ill. : 1960)
影响因子: --
作者:
Zamir,O;Hasselgren,PO;Kunkel,SL;Frederick,J;Higashiguchi,T;Fischer,JE
通讯作者: Fischer,JE
败血症期间是否存在循环蛋白水解诱导因子?
DOI: --
发表时间: 1990
影响因子: --
作者:
P. Hasselgren;J. James;D. Benson;S. Li;J. Fischer
通讯作者: J. Fischer
白介素 1 (IL-1) 受体拮抗剂与 80-kDa IL-1 受体结合,但不启动 IL-1 信号转导。
DOI: 10.1016/s0021-9258(18)99230-6
发表时间: 1991
期刊: The Journal of biological chemistry
影响因子: --
作者:
D. Dripps;B. Brandhuber;R. Thompson;S. P. Eisenberg
通讯作者: S. P. Eisenberg