نتایج جستجو برای: epithelial cells of choroid plexus
تعداد نتایج: 21318226 فیلتر نتایج به سال:
Abstract Background: Choroid plexus (CP) is a branched structure made up of a single layer of epithelial cells and blood capillaries, forming the blood-CSF-barrier. The CSF (cerebrospinal fluid) is mainly produced from the CP. Aquaporin1 (AQP1), water channels that are highly expressed on the apical side of the membrane in choroid plexus, have a major role in mediating water transport across th...
Background : Aquaporin1 (AQP1) protoin channels that expressed in the Choroid plexuses of brain ventricles, have an important role in cerebrospinal fluid (CSF) production. Some pathophysiological conditions such as intracranial hypertension, systemic hyponatremia and hydrocephalus followed by overproduction of CSF. Studies indicated that Curcumin can inhibit ionic channels. So the aim of this s...
Primary cultures of rat choroid plexus epithelial cells were established and used to investigate the role of the choroid plexus in the synthesis and secretion of transferrin. Transferrin gene expression was determined by a Northern blot analysis with a transferrin cRNA probe. A single transferrin mRNA species was detected and found to be the same size as the transcripts in the liver and Sertoli...
Background and purpose: Previous studies have shown that morphine consumption during pregnancy could delay placental and embryonic development or could cause abnormal function of nervous system. The present study evaluates the effect of oral morphine consumption on choroid plexus ependym cells of central nervous system development in Wistar rats. Materials and methods: Wistar rats (170-200...
A sheet of choroid plexus epithelial cells extends into each cerebral ventricle and secretes signaling factors into the CSF. To evaluate whether differences in the CSF proteome across ventricles arise, in part, from regional differences in choroid plexus gene expression, we defined the transcriptome of lateral ventricle (telencephalic) versus fourth ventricle (hindbrain) choroid plexus. We find...
آکواپورینها دسته ای از پروتئینهای تراغشایی (اینتگرال) ایجاد کننده کانال های آبی در غشای سلولها هستند که موجب انتقال آب به صورت دو طرفه در دو سوی غشای پلاسمایی میشوند. تاکنون ?? نوع مختلف از این کانالهای آبی در پستانداران شناسایی شده است. ازاین میان آکواپورینهای ?،?،?و?? درسیستم اعصاب مرکزی بیان میشوند. آکواپورین ?، در غشای راسی سلولهای اپی تلیالی شبکه کوروئید بیان شده و نقشی اساسی در تولید مایع...
Ashton, J. C., I. Appleton, et al. (2004). "Cannabinoid CB1 receptor protein expression in the rat choroid plexus: a possible involvement of cannabinoids in the regulation of cerebrospinal fluid." Neurosci Lett 364(1): 40-2. Cannabinoid CB1 receptors in the brain are expressed on axon terminals presynaptic to neurons that express fatty acid amide hydrolase (FAAH). Postsynaptic FAAH catabolizes ...
Epiplexus cells are a population of innate immune cells in the choroid plexus of the brain ventricles. They are thought to contribute to the immune component of the blood-cerebrospinal-fluid-barrier (BCSFB). Here we have developed a novel technique for studying epiplexus cells in acutely isolated, live and intact choroid plexus. We show that epiplexus cells are potently activated by exogenous A...
The pathogenesis of choroid plexus papillomas, intraventricular papillary neoplasms most often occurring sporadically in children and young adults, remains poorly understood. To identify pathways operative in the development of choroid plexus papillomas, gene expression profiles obtained from laser-microdissected human choroid plexus papilloma cells (n = 7) were compared with that of normal cho...
Neural progenitors in the developing neocortex, neuroepithelial cells and radial glial cells, have a bipolar shape with a basal process contacting the basal membrane of the meninge and an apical plasma membrane facing the lateral ventricle, which the cerebrospinal fluid is filled with. Recent studies revealed that the meninges and the cerebrospinal fluid have certain roles to regulate brain dev...
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