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浦肯野细胞树突棘颈部的非突触性膜特化结构。

Non-synaptic membrane specializations on the necks of Purkinje cell dentritic spines.

作者信息

Spacek J

出版信息

J Anat. 1980 Dec;131(Pt 4):723-9.

PMID:7216908
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1233224/
Abstract

Non-synaptic membrane contacts were found on the necks of the Purkinje cell dendritic spines between the spine and astrocyte plasma membranes. They were tight- or gap-junction-like and disappeared after short periods of anoxia. No similar membrane contacts were found on the most common type of pyramidal cell dendrite spine. It is suggested that the described contacts could influence the movement of ions in the neck area.

摘要

在浦肯野细胞树突棘的颈部，位于棘突与星形胶质细胞质膜之间发现了非突触性膜接触。它们类似紧密连接或缝隙连接，在短时间缺氧后消失。在最常见类型的锥体细胞树突棘上未发现类似的膜接触。据推测，所描述的接触可能会影响颈部区域离子的移动。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/250d/1233224/ab31fc766eed/janat00232-0138-e.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/250d/1233224/e8bd9e2007f3/janat00232-0138-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/250d/1233224/30e0e92020fc/janat00232-0138-b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/250d/1233224/3f156cb3b783/janat00232-0138-c.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/250d/1233224/83725879eab7/janat00232-0138-d.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/250d/1233224/ab31fc766eed/janat00232-0138-e.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/250d/1233224/e8bd9e2007f3/janat00232-0138-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/250d/1233224/30e0e92020fc/janat00232-0138-b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/250d/1233224/3f156cb3b783/janat00232-0138-c.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/250d/1233224/83725879eab7/janat00232-0138-d.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/250d/1233224/ab31fc766eed/janat00232-0138-e.jpg

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引用本文的文献

1
Three-dimensional analysis of dendritic spines. III. Glial sheath.树突棘的三维分析。III. 胶质鞘
Anat Embryol (Berl). 1985;171(2):245-52. doi: 10.1007/BF00341419.

本文引用的文献

1
Axo-somatic and axo-dendritic synapses of the cerebral cortex: an electron microscope study.大脑皮质的轴-体和轴-树突触：一项电子显微镜研究
J Anat. 1959 Oct;93(Pt 4):420-33.
2
Extracellular space and membrane changes in brain owing to different alkali metal buffers.由于不同碱金属缓冲剂导致的大脑细胞外空间和膜变化。
J Neurocytol. 1973 Sep;2(3):289-303. doi: 10.1007/BF01104031.
3
Junctions between intimately apposed cell membranes in the vertebrate brain.脊椎动物大脑中紧密相邻细胞膜之间的连接。
J Cell Biol. 1969 Mar;40(3):648-77. doi: 10.1083/jcb.40.3.648.
4
The small pyramidal neuron of the rat cerebral cortex. The perikaryon, dendrites and spines.大鼠大脑皮质的小锥体神经元。胞体、树突和棘突。
Am J Anat. 1970 Apr;127(4):321-55. doi: 10.1002/aja.1001270402.
5
Differences in membrane structure between excitatory and inhibitory synapses in the cerebellar cortex.小脑皮质中兴奋性和抑制性突触之间的膜结构差异。
J Comp Neurol. 1974 May 1;155(1):93-125. doi: 10.1002/cne.901550107.
6
Structure and function of intercellular junctions.细胞间连接的结构与功能。
Int Rev Cytol. 1974;39:191-283. doi: 10.1016/s0074-7696(08)60940-7.
7
Cation-dependent structures associated with membranes in the rat central nervous system.与大鼠中枢神经系统中的膜相关的阳离子依赖性结构。
J Neurocytol. 1975 Oct;4(5):537-42. doi: 10.1007/BF01351536.
8
Membrane specializations of dentritic spines and glia in the weaver mouse cerebellum: a freeze-fracture study.韦弗小鼠小脑树突棘和神经胶质细胞的膜特化：一项冷冻蚀刻研究。
J Cell Biol. 1976 Mar;68(3):403-10. doi: 10.1083/jcb.68.3.403.
9
Morphological correlates of electrical and other interactions through low-resistance pathways between neurons of the vertebrate central nervous system.
Int Rev Cytol. 1978;55:67-107. doi: 10.1016/s0074-7696(08)61887-2.
10
Gap junctions, electrotonic coupling, and intercellular communication.间隙连接、电紧张耦联与细胞间通讯
Neurosci Res Program Bull. 1978 Sep;16(3):1-486.