Abstract:
:The kinin B1 receptor is an inducible receptor expressed in response to inflammatory mediators. We sought to determine whether kinin B1 receptor can be expressed on human brain endothelial cells (HBECs) in vitro and whether signaling via this receptor can regulate permeability and chemokine production properties of these cells. Multiplex RT-PCR amplification and western blot techniques were used to evaluate B1 receptor expression by HBECs. Although B1 receptor mRNA and protein could not be detected on resting HBECs, interferon-gamma induced a dose- and time-dependent up-regulation of B1 receptor mRNA and protein on HBECs. Stimulation of interferon-gamma-treated HBECs with the selective B1 agonist R-838 (Sar [D-Phe8] des Arg9-BK) induced a dose- and time-dependent increase in the production of inositol 3,4,5 tri-phosphate and nitric oxide. Permeability of the HBECs monolayer, as measured by BSA diffusion, was significantly increased by application of the B1 agonist. This biological effect of R-838 could be prevented by R-715, a B1 receptor antagonist and by L-NAME, a nitric oxide synthase blocker. R-838 also inhibited interleukin-8 release from HBECs. We demonstrate that B1 receptors can be up regulated on the surface of HBECs by molecules released during inflammatory response and that signaling via this receptor can regulate BBB permeability and chemokine production in vitro.
journal_name
J Neuropathol Exp Neuroljournal_title
Journal of neuropathology and experimental neurologyauthors
Prat A,Biernacki K,Pouly S,Nalbantoglu J,Couture R,Antel JPdoi
10.1093/jnen/59.10.896subject
Has Abstractpub_date
2000-10-01 00:00:00pages
896-906issue
10eissn
0022-3069issn
1554-6578journal_volume
59pub_type
杂志文章abstract::Remyelination capacity decreases with age in adult mice, but data comparing remyelination capacity after toxic demyelination in developing mice versus adult mice are not available. We treated 3-week-old and adult C57BL/6 mice with cuprizone for 1 to 5 weeks and studied demyelination/remyelination and cellular reaction...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1097/NEN.0000000000000214
更新日期:2015-08-01 00:00:00
abstract::Cerebral palsy is a common birth disorder that frequently involves ischemic-type injury to developing white matter (WM). Dead glial cells are a common feature of this injury and here we describe a novel form of acute ischemic cell death in developing WM astrocytes. Ischemia, modeled by the withdrawal of oxygen and glu...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1093/jnen/63.8.856
更新日期:2004-08-01 00:00:00
abstract::Brain atrophy is a common finding in patients with AIDS, but the relationship of atrophy to HIV-associated dementia is unclear. We used unbiased, stereological methods on postmortem brain specimens to estimate volumes of different brain regions in patients prospectively diagnosed with and without HIV-associated dement...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:
更新日期:1996-10-01 00:00:00
abstract::A single oral dose of clofibrate (30 mg/100 gm body weight) given to 250-300 gm male rats produced myotonic discharges from both the gastrocnemius and soleus muscles 2 hours after feeding. Rats fed the same dosage for 14 consecutive days exhibited electromyographic discharges consistent with profound myotonia. Fibers ...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1097/00005072-197911000-00004
更新日期:1979-11-01 00:00:00
abstract::Chronic traumatic encephalopathy (CTE) is a progressive neurodegenerative disorder associated with repetitive traumatic brain injury. Multiple system atrophy (MSA) is a Parkinsonian disorder that can result in repetitive falls with associated head trauma. We hypothesized that patients with neurodegenerative disorders ...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1093/jnen/nlw073
更新日期:2016-10-01 00:00:00
abstract::The 2016 WHO classification of brain tumors represents a major step towards the integration of molecular data into pathologic diagnoses. Our institution has included massively parallel sequencing technology in the diagnostic work-up of all gliomas since January 2016. The utilized platform successfully identifies copy ...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1093/jnen/nly130
更新日期:2019-03-01 00:00:00
abstract::The tau deposits found in neurodegenerative diseases are classified based on their isoforms, that is, 3-repeat (3R) tau and 4-repeat (4R) tau. These isoforms are distinguishable using the antibodies RD3 and RD4, respectively, and Gallyas (Gal) and Campbell-Switzer (CS) silver staining methods, respectively. Tau is als...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1097/NEN.0b013e3181b56bf4
更新日期:2009-09-01 00:00:00
abstract::Truncations of tau protein at aspartic acid421 (D421) and glutamic acid391 (E391) residues are associated with neurofibrillary tangles (NFTs) in the brains of Alzheimer disease (AD) patients. Using immunohistochemistry with antibodies to D421- and E391-truncated tau (Tau-C3 and MN423, respectively), we correlated the ...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1097/NEN.0b013e31817275c7
更新日期:2008-05-01 00:00:00
abstract::The content of RNA and the volume of motor neurons isolated from the lateral portion of the cervical swelling were examined in six control and six amyotrophic lateral sclerosis (ALS) cases obtained at autopsy. The mean volume of motor neurons in the ALS group did not differ significantly from the values obtained in th...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:
更新日期:1981-01-01 00:00:00
abstract::Wallerian degeneration of the CNS is accompanied by axonal dystrophy or swelling. To understand the mechanisms by which swellings arise, we studied their spatiotemporal dynamics, ultrastructure, composition, and the conditions that affect their formation in vivo and ex vivo. In contrast to peripheral nerve axons, lesi...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1097/NEN.0b013e3181da84db
更新日期:2010-05-01 00:00:00
abstract::TAR DNA-binding protein 43 (TDP-43) is a major component of the inclusions in frontotemporal lobar degeneration with ubiquitinated inclusions (FTLD-U). We studied TDP-43 pathology in the hippocampus and frontal cortex of autopsy brains from patients with FTLD-U (n = 68), dementia lacking distinctive histopathology (n ...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章,多中心研究
doi:10.1097/NEN.0b013e31816a12a6
更新日期:2008-04-01 00:00:00
abstract::The development of deformities during the course of leprosy disease is a major public health concern worldwide. It is possible that cytokine production and apoptosis of Schwann cells (SCs) directly affect nerve degeneration and regeneration leading to injury of the myelin sheath and axon. In the present study, the exp...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1097/01.jnen.0000182982.09978.66
更新日期:2005-10-01 00:00:00
abstract::Natalizumab, a monoclonal antibody directed against α4 integrins, has, to date, been associated with 399 cases of progressive multifocal leukoencephalopathy (PML) worldwide in patients receiving treatment for multiple sclerosis (MS). Because of the limited number of histologic studies, the possible interplay between M...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1097/NEN.0000000000000005
更新日期:2013-11-01 00:00:00
abstract::Brain aging is accompanied by increased oxidative stress and what has been termed "neuroinflammation," which might contribute to age-related neurodegenerative diseases. We analyzed expression in the transcription of innate inflammatory response genes in eleven representative regions including frontal, parietal, inferi...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1093/jnen/nlw117
更新日期:2017-02-01 00:00:00
abstract::The relevance of cerebral amyloid angiopathy (CAA) to the pathogenesis of Alzheimer disease (AD) and dementia in general emphasizes the importance of developing novel targeting approaches for detecting and treating cerebrovascular amyloid (CVA) deposits. We developed a nanoparticle-based technology that uses a monoclo...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1097/NEN.0b013e318225038c
更新日期:2011-08-01 00:00:00
abstract::Aberrant axonal reorganization and altered distribution of neurotransmitter receptor subtypes have been proposed as major pathogenic mechanisms for hippocampal hyperexcitability in chronic temporal lobe epilepsies (TLE). Recent data point to excitatory class I metabotropic glutamate receptors (mGluR1 and mGluR5) as in...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1093/jnen/59.1.1
更新日期:2000-01-01 00:00:00
abstract::In attempting to control the pain of disseminated carcinoma, a variety of agents has been injected intrathecally. This report deals with the neuropathologic changes in spinal roots and spinal cord of four patients into whose lumbar sacs 100 to 285 ml of distilled water was infused. Survival following the procedure ra...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1097/00005072-197509000-00002
更新日期:1975-09-01 00:00:00
abstract::Peripheral polyneuropathies are common and their diagnosis may be challenging. We compared the results from sural-nerve and skin biopsies in 33 patients with a polyneuropathy and neuropathic pain examined in our hospital over a 6-year period. The biopsies were all from the same lower limb of each patient. Intraepiderm...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1093/jnen/nlv005
更新日期:2016-01-01 00:00:00
abstract::Frontotemporal dementia with inclusion body myopathy and Paget disease of bone is a rare, autosomal-dominant disorder caused by mutations in the gene valosin-containing protein (VCP). The CNS pathology is characterized by a novel pattern of ubiquitin pathology distinct from sporadic and familial frontotemporal lobar d...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1097/nen.0b013e31803020b9
更新日期:2007-02-01 00:00:00
abstract::Mutations in the parkin gene are the most common cause of early-onset autosomal recessive Parkinson disease (PD). The pathogenic mechanisms of how parkin mutations lead to the development of PD are not fully understood. Studies of cell cultures and of Drosophila have suggested a dominant negative effect for the clinic...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1097/NEN.0000000000000039
更新日期:2014-02-01 00:00:00
abstract::Histological examination by light and electron microscopy of the spinal cords of four dogs rapidly perfusion-fixed after the onset of decompression sickness revealed the presence of numerous non-staining, space-occupying lesions that were absent in similarly prepared sections of control or ischemic spinal cords. We pr...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1097/00005072-198807000-00008
更新日期:1988-07-01 00:00:00
abstract::Progressive multifocal leukoencephalopathy (PML) occurs most often in immunosuppressed individuals. The lesions of PML result from astrocyte and oligodendrocyte infection by the polyomavirus JC (JCV); JCV has also been shown to infect and destroy cerebellar granule cell neurons (GCNs) in 2 human immunodeficiency virus...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1097/NEN.0b013e3181912570
更新日期:2009-01-01 00:00:00
abstract::The DNA repair protein O6-methylguanine-DNA methyltransferase (MGMT) removes temozolomide-induced alkylation, thereby preventing DNA damage and cytotoxicity. We investigated the prognostic effect of different MGMT methylation levels on overall and progression-free survival in 327 patients with primary glioblastoma und...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1093/jnen/nlz032
更新日期:2019-07-01 00:00:00
abstract::This is a report of an unusual, densely cellular, midcerebellar neoplasm in a seven-year-old boy. Although clinically consistent with a medulloblastoma, immunohistochemistry and electron microscopy demonstrated glial and rhabdomyoblastic differentiation in the tumor. We discuss the differential diagnosis of this tumor...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1097/00005072-198311000-00004
更新日期:1983-11-01 00:00:00
abstract::Defects in synaptic development and plasticity may lead to autism. Brain-derived neurotrophic factor (BDNF) plays a critical role in synaptogenesis and synaptic plasticity. BDNF is synthesized as a precursor, pro-BDNF, which can be processed into either a truncated form or into mature BDNF. Previous studies reported i...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1097/NEN.0b013e31824b27e4
更新日期:2012-04-01 00:00:00
abstract::Studies dealing with transport of proteins from the oligodendrocyte cell body to the myelin sheath reveal the presence of different transport pathways. Proteolipid protein (PLP) is synthesized at the rough endoplasmic reticulum (ER) and then processed through the Golgi apparatus and transported to the myelin membranes...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1093/jnen/61.1.12
更新日期:2002-01-01 00:00:00
abstract::Protein aggregate myopathies, including myofibrillar myopathies and sporadic inclusion body myositis (sIBM), are characterized by abnormal protein aggregates composed of various muscular and ectopic proteins. Previous studies have shown the crucial role ofdysregulated transcription factors such as neuron-restrictive s...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1097/NEN.0b013e3181996d8f
更新日期:2009-03-01 00:00:00
abstract::Immunofluorescence with laminin antisera revealed a striking change in the localization of this basal membrane glycoprotein in rat sciatic nerve as a result of Wallerian degeneration. The staining was confined to the endoneurium in normal sciatic nerve and during the first days of degeneration. On day 11 endoneurial t...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1097/00005072-198401000-00008
更新日期:1984-01-01 00:00:00
abstract::Retinal vasculopathy with cerebral leukodystrophy (RVCL) is an autosomal-dominant disorder involving the cerebral, retinal, renal, and other systemic microvessels due to frameshift mutations in the TREX1 gene. Under physiological conditions, the TREX1 protein is localized in the cellular cytoplasm and perinuclear area...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1093/jnen/nly115
更新日期:2019-02-01 00:00:00
abstract::Cerebral accumulation of amyloid-beta (Abeta) is characteristic of Alzheimer disease and of amyloid precursor protein (APP) transgenic mice. Here, we assessed the efficacy of CI-1011, an inhibitor of acyl-coenzyme A:cholesterol acyltransferase, which is suitable for clinical use, in reducing amyloid pathology in both ...
journal_title:Journal of neuropathology and experimental neurology
pub_type: 杂志文章
doi:10.1097/NEN.0b013e3181e77ed9
更新日期:2010-08-01 00:00:00