横纹肌肌丝间的平均静电势及其与简单唐南电位的关系。
Average electrostatic potential between the filaments in striated muscle and its relation to a simple Donnan potential.
作者信息
Naylor G R
出版信息
Biophys J. 1982 May;38(2):201-4. doi: 10.1016/S0006-3495(82)84547-5.
Abstract
An approximate analytical solution to the Poisson-Boltzmann equation for a cylindrical particle was used to calculate the relationship between the charge on the filaments and the average electrostatic potential. Both thick and then filaments were considered in the muscle lattice with a filament charge ratio of 4 to 1. Comparing this with a similar relationship obtained using simple Donnan theory showed a discrepancy at high charge where the Poisson-Boltzmann equation leads to saturation of the average potential. However, using two separate experiments from the literature, we have shown that at pH 7.0 muscle must not be close to saturation and thus is in a region of the curve where the two approaches agree.
摘要
利用圆柱粒子泊松-玻尔兹曼方程的近似解析解来计算细丝上的电荷与平均静电势之间的关系。在肌晶格中考虑了粗细两种细丝，细丝电荷比为4比1。将此结果与使用简单唐南理论得到的类似关系进行比较，发现在高电荷时存在差异，此时泊松-玻尔兹曼方程导致平均电势饱和。然而，通过文献中的两个独立实验，我们表明在pH 7.0时，肌肉肯定不会接近饱和，因此处于曲线的一个区域，在该区域两种方法的结果一致。
相似文献
1
Average electrostatic potential between the filaments in striated muscle and its relation to a simple Donnan potential.横纹肌肌丝间的平均静电势及其与简单唐南电位的关系。
Biophys J. 1982 May;38(2):201-4. doi: 10.1016/S0006-3495(82)84547-5.
2
Donnan potentials from striated muscle liquid crystals. Lattice spacing dependence.横纹肌液晶的唐南电位。晶格间距依赖性。
Biophys J. 1987 Mar;51(3):371-81. doi: 10.1016/S0006-3495(87)83359-3.
3
Electrostatic forces in muscle and cylindrical gel systems.肌肉和圆柱形凝胶系统中的静电力。
Biophys J. 1980 Oct;32(1):49-63. doi: 10.1016/S0006-3495(80)84915-0.
4
Donnan potential measurements in extended hexagonal polyelectrolyte gels such as muscle.在诸如肌肉等延伸六边形聚电解质凝胶中进行唐南电位测量。
Biophys J. 1982 May;38(2):195-9. doi: 10.1016/S0006-3495(82)84546-3.
5
A simple electrostatic model can explain the effect of pH upon the force-pCa relation of skinned frog skeletal muscle fibers.一个简单的静电模型可以解释pH值对剥制的青蛙骨骼肌纤维的力- pCa关系的影响。
Biophys J. 1981 Aug;35(2):385-92. doi: 10.1016/S0006-3495(81)84797-2.
6
Donnan potentials in rabbit psoas muscle in rigor.处于尸僵状态的兔腰大肌中的唐南电位
Biophys J. 1985 Jul;48(1):47-59. doi: 10.1016/S0006-3495(85)83759-0.
7
Lateral forces in the filament lattice of vertebrate striated muscle in the rigor state.处于僵直状态的脊椎动物横纹肌细丝晶格中的侧向力。
Biophys J. 1983 Mar;41(3):259-67. doi: 10.1016/S0006-3495(83)84436-1.
8
The electrostatic behavior of the bacterial cell wall using a smoothing function to describe the charge-regulated volume charge density profile.利用平滑函数描述电荷调节体积电荷密度分布来研究细菌细胞壁的静电行为。
Colloids Surf B Biointerfaces. 2015 Oct 1;134:447-52. doi: 10.1016/j.colsurfb.2015.06.066. Epub 2015 Jul 10.
9
The myofilament lattice: studies on isolated fibers. IV. Lattice equilibria in striated muscle.肌丝晶格：对分离纤维的研究。IV. 横纹肌中的晶格平衡。
J Mechanochem Cell Motil. 1975;3(2):111-21.
10
Electrostatic repulsion of ion penetrable charged membranes: role of Donnan potential.离子可穿透带电膜的静电排斥：唐南电位的作用。
J Theor Biol. 1987 Sep 21;128(2):187-94. doi: 10.1016/s0022-5193(87)80168-6.
引用本文的文献
1
Approximating the isometric force-calcium relation of intact frog muscle using skinned fibers.使用去皮肤纤维近似完整青蛙肌肉的等长力-钙关系。
Biophys J. 1995 Oct;69(4):1484-90. doi: 10.1016/S0006-3495(95)80019-6.
2
Donnan potential measurements in extended hexagonal polyelectrolyte gels such as muscle.在诸如肌肉等延伸六边形聚电解质凝胶中进行唐南电位测量。
Biophys J. 1982 May;38(2):195-9. doi: 10.1016/S0006-3495(82)84546-3.
3
Lateral forces in the filament lattice of vertebrate striated muscle in the rigor state.处于僵直状态的脊椎动物横纹肌细丝晶格中的侧向力。
Biophys J. 1983 Mar;41(3):259-67. doi: 10.1016/S0006-3495(83)84436-1.
4
A reply to Godt and Baumgarten's potential and K+ activity in skinned muscle fibers: evidence for a simple Donnan equilibrium under physiological conditions.对戈特和鲍姆加滕关于去皮肌纤维中电势和钾离子活性的回应：生理条件下简单唐南平衡的证据。
Biophys J. 1984 Feb;45(2):487-8. doi: 10.1016/S0006-3495(84)84173-9.
5
Diffusible magnesium in frog skeletal muscle cells.蛙骨骼肌细胞中的可扩散镁
Biophys J. 1983 Jul;43(1):75-80. doi: 10.1016/S0006-3495(83)84325-2.
6
Donnan potentials from striated muscle liquid crystals. A-band and I-band measurements.横纹肌液晶的唐南电位。A带和I带测量。
Biophys J. 1984 Dec;46(6):769-79. doi: 10.1016/S0006-3495(84)84075-8.
7
Potential and K+ activity in skinned muscle fibers. Evidence against a simple Donnan equilibrium.皮肤肌肉纤维中的电位和钾离子活性。反对简单唐南平衡的证据。
Biophys J. 1984 Feb;45(2):375-82. doi: 10.1016/S0006-3495(84)84161-2.
8
Donnan potentials from the A- and I-bands of glycerinated and chemically skinned muscles, relaxed and in rigor.甘油化和化学去皮肌肉的A带和I带在松弛和僵直状态下的唐南电位。
Biophys J. 1985 Jul;48(1):61-76. doi: 10.1016/S0006-3495(85)83760-7.
9
Donnan potentials in rabbit psoas muscle in rigor.处于尸僵状态的兔腰大肌中的唐南电位
Biophys J. 1985 Jul;48(1):47-59. doi: 10.1016/S0006-3495(85)83759-0.
10
Donnan potentials from striated muscle liquid crystals. Sarcomere length dependence.横纹肌液晶的唐南电位。肌节长度依赖性。
Biophys J. 1985 Jan;47(1):89-95. doi: 10.1016/S0006-3495(85)83880-7.
本文引用的文献
1
The Donnan equilibrium.唐南平衡
Prog Biophys Biophys Chem. 1956;6:57-84.
2
Electrostatic forces in muscle and cylindrical gel systems.肌肉和圆柱形凝胶系统中的静电力。
Biophys J. 1980 Oct;32(1):49-63. doi: 10.1016/S0006-3495(80)84915-0.
3
Non-uniform ion distributions and electrical potentials in sarcoplasmic regions of skeletal muscle fibres.骨骼肌纤维肌浆区域中离子分布和电势的不均匀性。
Nature. 1981 Feb 19;289(5799):690-2. doi: 10.1038/289690a0.
4
X-ray diffraction studies of the filament lattice of striated muscle in various bathing media.在不同的浸泡介质中对横纹肌细丝晶格进行的X射线衍射研究。
J Mol Biol. 1968 Oct 28;37(2):331-44. doi: 10.1016/0022-2836(68)90272-6.
5
Role of Donnan equilibrium in the resting potentials in glycerol-extracted muscle.唐南平衡在甘油提取肌肉静息电位中的作用。
Am J Physiol. 1971 Oct;221(4):1130-3. doi: 10.1152/ajplegacy.1971.221.4.1130.
6
Differences in the charge distribution of glycerol-extracted muscle fibers in rigor, relaxation, and contraction.甘油提取的肌肉纤维在僵直、松弛和收缩状态下电荷分布的差异。
J Gen Physiol. 1974 Nov;64(5):551-67. doi: 10.1085/jgp.64.5.551.
Zotero 插件