Vimentin in Kolmer Cells of Spontaneously Hypertensive Rats

Q4 Biochemistry, Genetics and Molecular Biology
D. E. Korzhevskii, V. A. Razenkova, O. V. Kirik
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引用次数: 0

Abstract

Epiplexus (Kolmer) cells are a special population of phagocytic cells of the choroid plexus involved in maintaining the blood–cerebrospinal fluid barrier in the brain. In the present work, the structural organization of these cells was studied in Wistar, Wistar Kyoto, and spontaneously hypertensive (SHR) rats. A comparative immunohistochemical investigation using antibodies against macrophage markers Iba-1 and CD68 and intermediate filament protein vimentin showed that Kolmer cells in three studied groups of animals differ in their functional activity. In Wistar Kyoto and SHR rats, not only signs of activation of Kolmer cells were noted, visible in the disappearance of processes and cells acquiring a rounded shape, but also vimentin presence in activated cells. The obtained result indicates a relationship between vimentin expression and activation of brain phagocytic cells.

Abstract Image

自发性高血压大鼠 Kolmer 细胞中的波形蛋白
摘要Epiplexus(Kolmer)细胞是脉络丛中一种特殊的吞噬细胞群,参与维持大脑中的血-脑脊液屏障。本研究以 Wistar、Wistar Kyoto 和自发性高血压(SHR)大鼠为研究对象,对这些细胞的结构组织进行了研究。使用针对巨噬细胞标记物 Iba-1 和 CD68 以及中间丝蛋白波形蛋白的抗体进行的免疫组化比较研究表明,三组动物的 Kolmer 细胞在功能活性上存在差异。在 Wistar Kyoto 大鼠和 SHR 大鼠中,不仅发现了 Kolmer 细胞活化的迹象(可见于突起消失和细胞形状变圆),而且在活化的细胞中还发现了波形蛋白。研究结果表明,波形蛋白的表达与脑吞噬细胞的活化之间存在关系。
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来源期刊
Cell and Tissue Biology
Cell and Tissue Biology Biochemistry, Genetics and Molecular Biology-Cell Biology
CiteScore
0.80
自引率
0.00%
发文量
51
期刊介绍: The journal publishes papers on vast aspects of cell research, including morphology, biochemistry, biophysics, genetics, molecular biology, immunology. The journal accepts original experimental studies, theoretical articles suggesting novel principles and approaches, presentations of new hypotheses, reviews highlighting major developments in cell biology, discussions. The main objective of the journal is to provide a competent representation and integration of research made on cells (animal and plant cells, both in vivo and in cell culture) offering insight into the structure and functions of live cells as a whole. Characteristically, the journal publishes articles on biology of free-living and parasitic protists, which, unlike Metazoa, are eukaryotic organisms at the cellular level of organization.
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