Articles
Page 24 of 26
-
Citation: Fluids and Barriers of the CNS 2019 16(Suppl 2):29
-
Hydraulic resistance of periarterial spaces in the brain
Periarterial spaces (PASs) are annular channels that surround arteries in the brain and contain cerebrospinal fluid (CSF): a flow of CSF in these channels is thought to be an important part of the brain’s syst...
Citation: Fluids and Barriers of the CNS 2019 16:19 -
Pathological mitochondria in neurons and perivascular astrocytic endfeet of idiopathic normal pressure hydrocephalus patients
A growing body of evidence suggests that the accumulation of amyloid-β and tau (HPτ) in the brain of patients with the dementia subtype idiopathic normal pressure hydrocephalus (iNPH) is associated with delaye...
Citation: Fluids and Barriers of the CNS 2019 16:39 -
Abstracts from the 20th International Symposium on Signal Transduction at the Blood-Brain Barriers
Citation: Fluids and Barriers of the CNS 2017 14(Suppl 2):27 -
Hypercholesterolemia negatively influences morphology and molecular markers of epithelial cells within the choroid plexus in rabbits
Choroid plexus (CP) is an important tissue not only to produce cerebrospinal fluid (CSF) but also to regulate substances that are secreted into or absorbed from CSF through blood–cerebrospinal fluid barrier (B...
Citation: Fluids and Barriers of the CNS 2020 17:13 -
Modeling and rescue of defective blood–brain barrier function of induced brain microvascular endothelial cells from childhood cerebral adrenoleukodystrophy patients
X-linked adrenoleukodystrophy (X-ALD) is caused by mutations in the ABCD1 gene. 40% of X-ALD patients will convert to the deadly childhood cerebral form (ccALD) characterized by increased permeability of the brai...
Citation: Fluids and Barriers of the CNS 2018 15:9 -
Differential cytokine expression by brain microglia/macrophages in primary culture after oxygen glucose deprivation and their protective effects on astrocytes during anoxia
Activation of microglia/macrophages following cerebral ischemia may be beneficial or detrimental for the survival of brain cells, an ambiguity in effects that has been explained by findings that ischemia can i...
Citation: Fluids and Barriers of the CNS 2015 12:6 -
Tunneling nanotubes evoke pericyte/endothelial communication during normal and tumoral angiogenesis
Nanotubular structures, denoted tunneling nanotubes (TNTs) have been described in recent times as involved in cell-to-cell communication between distant cells. Nevertheless, TNT-like, long filopodial processes...
Citation: Fluids and Barriers of the CNS 2018 15:28 -
Nonsurgical therapy for hydrocephalus: a comprehensive and critical review
Pharmacological interventions have been tested experimentally and clinically to prevent hydrocephalus and avoid the need for shunting beginning in the 1950s. Clinical trials of varied quality have not demonstr...
Citation: Fluids and Barriers of the CNS 2016 13:3 -
A perfusion bioreactor-based 3D model of the subarachnoid space based on a meningeal tissue construct
Altered flow of cerebrospinal fluid (CSF) within the subarachnoid space (SAS) is connected to brain, but also optic nerve degenerative diseases. To overcome the lack of suitable in vitro models that faithfully...
Citation: Fluids and Barriers of the CNS 2019 16:17 -
Abstracts from Hydrocephalus 2019: The Eleventh Meeting of the International Society for Hydrocephalus and Cerebrospinal Fluid Disorders
Citation: Fluids and Barriers of the CNS 2019 16(Suppl 3):36 -
Blood–brain barrier and foetal-onset hydrocephalus, with a view on potential novel treatments beyond managing CSF flow
Despite decades of research, no compelling non-surgical therapies have been developed for foetal hydrocephalus. So far, most efforts have pointed to repairing disturbances in the cerebrospinal fluid (CSF) flow...
Citation: Fluids and Barriers of the CNS 2017 14:19 -
Comparative transcriptomics of choroid plexus in Alzheimer’s disease, frontotemporal dementia and Huntington’s disease: implications for CSF homeostasis
In Alzheimer’s disease, there are striking changes in CSF composition that relate to altered choroid plexus (CP) function. Studying CP tissue gene expression at the blood–cerebrospinal fluid barrier could prov...
Citation: Fluids and Barriers of the CNS 2018 15:18 -
Challenges in cerebrospinal fluid shunting in patients with glioblastoma
Cerebrospinal fluid (CSF) circulation disturbances may occur during the course of disease in patients with glioblastoma. Ventriculoperitoneal shunting has generally been recommended to improve symptoms in glio...
Citation: Fluids and Barriers of the CNS 2018 15:16 -
The year in review: progress in brain barriers and brain fluid research in 2018
This editorial focuses on the progress made in brain barrier and brain fluid research in 2018. It highlights some recent advances in knowledge and techniques, as well as prevalent themes and controversies. Are...
Citation: Fluids and Barriers of the CNS 2019 16:4 -
Disruption of the hippocampal and hypothalamic blood–brain barrier in a diet-induced obese model of type II diabetes: prevention and treatment by the mitochondrial carbonic anhydrase inhibitor, topiramate
Type II diabetes is a vascular risk factor for cognitive impairment and increased risk of dementia. Disruption of the blood–retinal barrier (BRB) and blood–brain barrier (BBB) are hallmarks of subsequent retin...
Citation: Fluids and Barriers of the CNS 2019 16:1 -
Cerebrospinal fluid dynamics modulation by diet and cytokines in rats
Idiopathic intracranial hypertension (IIH) is a neurological disorder characterised by raised cerebrospinal fluid (CSF) pressure in the absence of any intracranial pathology. IIH mainly affects women with obes...
Citation: Fluids and Barriers of the CNS 2020 17:10 -
Nrf2 signaling increases expression of ATP-binding cassette subfamily C mRNA transcripts at the blood–brain barrier following hypoxia-reoxygenation stress
Strategies to maintain BBB integrity in diseases with a hypoxia/reoxygenation (H/R) component involve preventing glutathione (GSH) loss from endothelial cells. GSH efflux transporters include multidrug resista...
Citation: Fluids and Barriers of the CNS 2017 14:6 -
Extracranial versus intracranial hydro-hemodynamics during aging: a PC-MRI pilot cross-sectional study
Both aging and changes in blood flow velocity between the extracranial (intraspinal) and intracranial regions of cerebral vessels have an impact on brain hydro-hemodynamics. Arterial and venous cerebral blood ...
Citation: Fluids and Barriers of the CNS 2020 17:1 -
Brain vascular heterogeneity: implications for disease pathogenesis and design of in vitro blood–brain barrier models
The vertebrate blood–brain barrier (BBB) is composed of cerebral microvascular endothelial cells (CEC). The BBB acts as a semi-permeable cellular interface that tightly regulates bidirectional molecular transp...
Citation: Fluids and Barriers of the CNS 2018 15:12 -
Transfection of brain capillary endothelial cells in primary culture with defined blood–brain barrier properties
Primary brain capillary endothelial cells (BCECs) are a promising tool to study the blood–brain barrier (BBB) in vitro, as they maintain many important characteristics of the BBB in vivo, especially when co-cu...
Citation: Fluids and Barriers of the CNS 2015 12:19 -
Impact of cigarette smoke extract and hyperglycemic conditions on blood–brain barrier endothelial cells
Diabetes and tobacco smoking are significant public health concerns which have been shown to independently impact the blood–brain barrier (BBB). Since smoking is a risk factor for diabetes and shares some of t...
Citation: Fluids and Barriers of the CNS 2015 12:18 -
Benchmarking in vitro tissue-engineered blood–brain barrier models
The blood–brain barrier (BBB) plays a key role in regulating transport into and out of the brain. With increasing interest in the role of the BBB in health and disease, there have been significant advances in ...
Citation: Fluids and Barriers of the CNS 2018 15:32 -
Enhanced in vitro model of the CSF dynamics
Fluid dynamics of the craniospinal system are complex and still not completely understood. In vivo flow and pressure measurements of the cerebrospinal fluid (CSF) are limited. Whereas in silico modeling can be...
Citation: Fluids and Barriers of the CNS 2019 16:11 -
Opposing CSF hydrodynamic trends found in the cerebral aqueduct and prepontine cistern following shunt treatment in patients with normal pressure hydrocephalus
This study investigated cerebrospinal fluid (CSF) hydrodynamics using cine phase-contrast MRI in the cerebral aqueduct and the prepontine cistern between three distinct groups: pre-shunt normal pressure hydroc...
Citation: Fluids and Barriers of the CNS 2019 16:2 -
Can pulsatile CSF flow across the cerebral aqueduct cause ventriculomegaly? A prospective study of patients with communicating hydrocephalus
Communicating hydrocephalus is a disease where the cerebral ventricles are enlarged. It is characterized by the absence of detectable cerebrospinal fluid (CSF) outflow obstructions and often with increased CSF...
Citation: Fluids and Barriers of the CNS 2019 16:40 -
Cerebrospinal fluid Aβ42, t-tau, and p-tau levels in the differential diagnosis of idiopathic normal-pressure hydrocephalus: a systematic review and meta-analysis
The purpose of this systematic review and meta-analysis was to evaluate the performance of cerebrospinal fluid (CSF) beta amyloid 42 (Aβ42), total tau (t-tau), and phosphorylated tau (p-tau) as potential diagn...
Citation: Fluids and Barriers of the CNS 2017 14:13 -
LDL receptor blockade reduces mortality in a mouse model of ischaemic stroke without improving tissue-type plasminogen activator-induced brain haemorrhage: towards pre-clinical simulation of symptomatic ICH
Symptomatic intracerebral haemorrhage (sICH) following tissue-type plasminogen activator (rt-PA) administration is the most feared and lethal complication of thrombolytic therapy for ischaemic stroke, creating...
Citation: Fluids and Barriers of the CNS 2017 14:33 -
Pulsatile flow drivers in brain parenchyma and perivascular spaces: a resistance network model study
In animal models, dissolved compounds in the subarachnoid space and parenchyma have been found to preferentially transport through the cortex perivascular spaces (PVS) but the transport phenomena involved are ...
Citation: Fluids and Barriers of the CNS 2018 15:20 -
The quest for a better insight into physiology of fluids and barriers of the brain: the exemplary career of Joseph D. Fenstermacher
In June 2014 Dr. Joseph D. Fenstermacher celebrated his 80th birthday, which was honored by the symposium held in New London, NH, USA. This review discusses Fenstermacher’s contribution to the field of fluids ...
Citation: Fluids and Barriers of the CNS 2015 12:1 -
Enhanced xeno-free differentiation of hiPSC-derived astroglia applied in a blood–brain barrier model
Human induced pluripotent stem cells (hiPSC) hold great promise for use in cell therapy applications and for improved in vitro models of human disease. So far, most hiPSC differentiation protocols to astroglia...
Citation: Fluids and Barriers of the CNS 2019 16:27 -
Permeability across a novel microfluidic blood-tumor barrier model
The lack of translatable in vitro blood-tumor barrier (BTB) models creates challenges in the development of drugs to treat tumors of the CNS and our understanding of how the vascular changes at the BBB in the ...
Citation: Fluids and Barriers of the CNS 2017 14:3 -
Role of cationic drug-sensitive transport systems at the blood-cerebrospinal fluid barrier in para-tyramine elimination from rat brain
para-Tyramine (p-TA) is a biogenic amine which is involved in multiple neuronal signal transductions. Since the concentration of p-TA in dog cerebrospinal fluid (CSF) has been reported to be ...
Citation: Fluids and Barriers of the CNS 2018 15:1 -
Cerebrospinal fluid (CSF) biomarkers of iron status are associated with CSF viral load, antiretroviral therapy, and demographic factors in HIV-infected adults
HIV-associated neurocognitive disorder (HAND) remains common, despite antiretroviral therapy (ART). HIV dysregulates iron metabolism, but cerebrospinal fluid (CSF) levels of iron and iron-transport proteins in...
Citation: Fluids and Barriers of the CNS 2017 14:11 -
Simvastatin, edaravone and dexamethasone protect against kainate-induced brain endothelial cell damage
Excitotoxicity is a central pathological pathway in many neurological diseases with blood–brain barrier (BBB) dysfunction. Kainate, an exogenous excitotoxin, induces epilepsy and BBB damage in animal models, b...
Citation: Fluids and Barriers of the CNS 2020 17:5 -
Increased age and male sex are independently associated with higher frequency of blood–cerebrospinal fluid barrier dysfunction using the albumin quotient
The cerebrospinal fluid (CSF)/serum quotient of albumin (QAlb) is the most used biomarker for the evaluation of blood–cerebrospinal fluid barrier (B-CSF-B) permeability. For years QAlb was considered only as a...
Citation: Fluids and Barriers of the CNS 2020 17:14 -
Functional brain-specific microvessels from iPSC-derived human brain microvascular endothelial cells: the role of matrix composition on monolayer formation
Transwell-based models of the blood–brain barrier (BBB) incorporating monolayers of human brain microvascular endothelial cells (dhBMECs) derived from induced pluripotent stem cells show many of the key featur...
Citation: Fluids and Barriers of the CNS 2018 15:7 -
The effects of Beta-Endorphin: state change modification
Beta-endorphin (β-END) is an opioid neuropeptide which has an important role in the development of hypotheses concerning the non-synaptic or paracrine communication of brain messages. This kind of communicatio...
Citation: Fluids and Barriers of the CNS 2015 12:3 -
Blood–brain and blood–cerebrospinal fluid barrier permeability in spontaneously hypertensive rats
Hypertension is an important risk factor for cerebrovascular disease, including stroke and dementia. Both in humans and animal models of hypertension, neuropathological features such as brain atrophy and oedem...
Citation: Fluids and Barriers of the CNS 2018 15:26 -
Abstracts from the 13th International Conference on Cerebral Vascular Biology (CVB 2019)
Citation: Fluids and Barriers of the CNS 2019 16(Suppl 1):16 -
Cerebral hypoxia/ischemia selectively disrupts tight junctions complexes in stem cell-derived human brain microvascular endothelial cells
Cerebral hypoxia/ischemia (H/I) is an important stress factor involved in the disruption of the blood–brain barrier (BBB) following stroke injury, yet the cellular and molecular mechanisms on how the human BBB...
Citation: Fluids and Barriers of the CNS 2016 13:16 -
Effect of blood contamination of cerebrospinal fluid on amino acids, biogenic amines, pterins and vitamins
Cerebrospinal fluid (CSF) metabolomic investigations are a powerful tool for studying neurometabolic diseases. We aimed to assess the effect of CSF contamination with blood on the concentrations of selected bi...
Citation: Fluids and Barriers of the CNS 2019 16:34 -
Vascular endothelial growth factor blockade alters magnetic resonance imaging biomarkers of vascular function and decreases barrier permeability in a rat model of lung cancer brain metastasis
Blockade of vascular endothelial growth factor (VEGF) to promote vascular normalization and inhibit angiogenesis has been proposed for the treatment of brain metastases; however, vascular normalization has not...
Citation: Fluids and Barriers of the CNS 2015 12:5 -
Nicotine pre-exposure reduces stroke-induced glucose transporter-1 activity at the blood–brain barrier in mice
With growing electronic cigarette usage in both the smoking and nonsmoking population, rigorous studies are needed to investigate the effects of nicotine on biological systems to determine long-term health con...
Citation: Fluids and Barriers of the CNS 2015 12:10 -
A perfused human blood–brain barrier on-a-chip for high-throughput assessment of barrier function and antibody transport
Receptor-mediated transcytosis is one of the major routes for drug delivery of large molecules into the brain. The aim of this study was to develop a novel model of the human blood–brain barrier (BBB) in a hig...
Citation: Fluids and Barriers of the CNS 2018 15:23 -
A change in brain white matter after shunt surgery in idiopathic normal pressure hydrocephalus: a tract-based spatial statistics study
The aim of this study was to elucidate changes in cerebral white matter after shunt surgery in idiopathic normal pressure hydrocephalus (INPH) using diffusion tensor imaging (DTI).
Citation: Fluids and Barriers of the CNS 2017 14:1 -
The Kuopio idiopathic normal pressure hydrocephalus protocol: initial outcome of 175 patients
The Kuopio University Hospital (KUH) idiopathic normal pressure hydrocephalus (iNPH) cerebrospinal fluid (CSF) shunting protocol is described together with the initial outcomes of 175 patients with probable iN...
Citation: Fluids and Barriers of the CNS 2019 16:21 -
Is posture-related craniospinal compliance shift caused by jugular vein collapse? A theoretical analysis
Postural changes are related to changes in cerebrospinal fluid (CSF) dynamics. While sitting up leads to a decrease in cranial CSF pressure, it also causes shifts in the craniospinal CSF volume and compliance ...
Citation: Fluids and Barriers of the CNS 2017 14:5 -
The role of perfusion and diffusion MRI in the assessment of patients affected by probable idiopathic normal pressure hydrocephalus. A cohort-prospective preliminary study
Invasive tests measuring resistance to cerebral spinal fluid (CSF) outflow and the effect of temporary drainage of CSF are used to select candidates affected by idiopathic normal pressure hydrocephalus (iNPH) ...
Citation: Fluids and Barriers of the CNS 2017 14:24 -
Hydrocortisone enhances the barrier properties of HBMEC/ciβ, a brain microvascular endothelial cell line, through mesenchymal-to-endothelial transition-like effects
Because in vitro blood–brain barrier (BBB) models are important tools for studying brain diseases and drug development, we recently established a new line of conditionally immortalized human brain microvascular e...
Citation: Fluids and Barriers of the CNS 2015 12:7