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恶性高热易感猪骨骼肌肌浆网终池和纵管的特征

Characterization of the terminal cisternae and longitudinal tubules of sarcoplasmic reticulum from malignant hyperpyrexia susceptible porcine skeletal muscle.

作者信息

Foster P S, White M D, Denborough M A

机构信息

Division of Biochemistry and Molecular Biology, John Curtin School of Medical Research, Australian National University, Canberra, ACT.

出版信息

Int J Biochem. 1989;21(10):1119-26. doi: 10.1016/0020-711x(89)90053-0.

DOI:10.1016/0020-711x(89)90053-0
PMID:2583347
Abstract
  1. The sarcoplasmic reticulum (SR) from malignant hyperpyrexia susceptible (MHS) and control porcine skeletal muscle was separated into vesicular fractions enriched in the membrane elements of the terminal cisternae and longitudinal tubules. 2. The two membrane preparations were highly purified and had distinctive features which were associated with their origins in the SR membraneous network. 3. Calsequestrin and calcium were enriched in the terminal cisternae fraction (HSR), in comparison to longitudinal tubule preparations (LSR). 4. The HSR membrane also had a greater total capacity to store Ca2+ and Ca2+ release was more rapid than from LSR preparations. 5. No distinction could be made between the membrane morphology, Ca2+ -fluxes or Ca2+ -dependent ATPase activities, associated with these functionally distinct regions of MHS and control preparations.
摘要
  1. 从恶性高热易感(MHS)猪和对照猪骨骼肌中分离出肌浆网(SR),并将其分成富含终末池和纵管膜成分的囊泡部分。2. 两种膜制剂经过高度纯化,具有与其在SR膜网络中的起源相关的独特特征。3. 与纵管制剂(LSR)相比,终末池部分(HSR)中集钙蛋白和钙含量丰富。4. HSR膜储存Ca2+的总能力也更强,且Ca2+释放比LSR制剂更快。5. 在MHS和对照制剂这些功能不同的区域相关的膜形态、Ca2+通量或Ca2+依赖性ATP酶活性之间无法做出区分。

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1
Characterization of the terminal cisternae and longitudinal tubules of sarcoplasmic reticulum from malignant hyperpyrexia susceptible porcine skeletal muscle.恶性高热易感猪骨骼肌肌浆网终池和纵管的特征
Int J Biochem. 1989;21(10):1119-26. doi: 10.1016/0020-711x(89)90053-0.
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The effect of calcium channel antagonists and BAY K 8644 on calcium fluxes of malignant hyperpyrexia-susceptible muscle.钙通道拮抗剂和BAY K 8644对恶性高热易感肌肉钙通量的影响。
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Distinct immunopeptide maps of the sarcoplasmic reticulum Ca2+ release channel in malignant hyperthermia.
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The effect of dantrolene on skeletal-muscle sarcoplasmic-reticulum function in malignant hyperpyrexia in pigs.丹曲林对猪恶性高热时骨骼肌肌浆网功能的影响。
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The effects of calmodulin antagonist drugs on isolated sarcoplasmic reticulum from malignant hyperpyrexia susceptible swine.钙调蛋白拮抗剂药物对恶性高热易感猪的离体肌浆网的作用。
Int J Biochem. 1987;19(9):819-26. doi: 10.1016/0020-711x(87)90240-0.
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Abnormality in calcium release from skeletal sarcoplasmic reticulum of pigs susceptible to malignant hyperthermia.易患恶性高热的猪骨骼肌肌浆网钙释放异常。
J Clin Invest. 1983 Sep;72(3):862-70. doi: 10.1172/JCI111057.

引用本文的文献

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Post mortem changes in Ca2+ transporting proteins of sarcoplasmic reticulum in dependence on malignant hyperthermia status in pigs.猪的肌浆网钙转运蛋白的死后变化与恶性高热状态的关系
Mol Cell Biochem. 1999 May;195(1-2):37-46. doi: 10.1023/a:1006957323917.