Neurofibromatosis 1 (NF1) heterozygosity results in a cell-autonomous growth advantage for astrocytes.

abstract：:Gliomas are a heterogenous group of malignant primary brain tumors that arise from glia cells or their progenitors and rely on accurate diagnosis for prognosis and treatment strategies. Although recent developments in the molecular biology of glioma have improved diagnosis, classical histological methods and biomarker...

journal_title：Glia

authors： van Bodegraven EJ,van Asperen JV,Robe PAJ,Hol EM

更新日期：2019-08-01 00:00:00

abstract：:Microglia transform from homeostatic to disease-associated-microglia (DAM) profiles in neurodegeneration. Within DAM, we recently identified distinct pro-inflammatory and anti-inflammatory sub-profiles although transcriptional regulators of homeostatic and distinct DAM profiles remain unclear. Informed by these studie...

journal_title：Glia

authors： Gao T,Jernigan J,Raza SA,Dammer EB,Xiao H,Seyfried NT,Levey AI,Rangaraju S

更新日期：2019-10-01 00:00:00

abstract：:Severe transient focal cerebral ischemia causes brain infarction with a strong glial reaction. We have studied whether postischemic reactive glial cells express epidermal growth factor receptor (EGFR) following middle cerebral artery occlusion in the rat. We have also looked for signs of proliferating activity, as EGF...

journal_title：Glia

authors： Planas AM,Justicia C,Soriano MA,Ferrer I

更新日期：1998-06-01 00:00:00

abstract：:Regeneration in the adult central nervous system (CNS) is thought to be hampered by the lesion-induced activation of astrocytes and meningeal cells and the consecutive formation of a glial scar. The substrate properties of reactive astrocytes differ significantly from their neonatal counterparts, which promote axon gr...

journal_title：Glia

authors： Hirsch S,Bähr M

更新日期：1999-03-01 00:00:00

abstract：:Adult Sprague-Dawley rats were given a single dose of trimethyltin chloride (TMT). Three days following treatment, a neuronal alteration was observed in the CA3c pyramidal cell layer of hippocampus which was not accompanied by any apparent astrocyte reaction. At 1 as well as 2 weeks after treatment, a gliosis in hippo...

journal_title：Glia

authors： Andersson H,Luthman J,Olson L

更新日期：1994-08-01 00:00:00

abstract：:Microglia are classically considered to be immune cells in the brain, but have now been proven to be involved in neuronal activity as well. Here we stereologically analyzed the spatial arrangement of microglia in the mouse hippocampus. First, we estimated the numerical densities (NDs) of microglia identified by ionize...

journal_title：Glia

authors： Jinno S,Fleischer F,Eckel S,Schmidt V,Kosaka T

更新日期：2007-10-01 00:00:00

abstract：:Pharmacological and biochemical data suggest that noradrenaline (NA)-containing fibers not only regulate the activity of cortical neurons but also influence the functional state of non-neuronal elements. In the present study, immunocytochemistry with an antiserum against NA, followed by silver-gold intensification of ...

journal_title：Glia

authors： Paspalas CD,Papadopoulos GC

更新日期：1996-06-01 00:00:00

abstract：:Prominin-1 (CD133) is a cholesterol-interacting pentaspan membrane glycoprotein specifically associated with plasma membrane protrusions. Prominin-1 is expressed by various stem and progenitor cells, notably neuroepithelial progenitors found in the developing embryonic brain. Here, we further investigated its expressi...

journal_title：Glia

authors： Corbeil D,Joester A,Fargeas CA,Jászai J,Garwood J,Hellwig A,Werner HB,Huttner WB

更新日期：2009-06-01 00:00:00

abstract：:Apart from dedicated oligodendroglial progenitor cells, adult neural stem cells (aNSCs) can also give rise to new oligodendrocytes in the adult central nervous system (CNS). This process mainly confers myelinating glial cell replacement in pathological situations and can hence contribute to glial heterogeneity. Our pr...

journal_title：Glia

authors： Beyer F,Jadasz J,Samper Agrelo I,Schira-Heinen J,Groh J,Manousi A,Bütermann C,Estrada V,Reiche L,Cantone M,Vera J,Viganò F,Dimou L,Müller HW,Hartung HP,Küry P

更新日期：2020-02-01 00:00:00

abstract：:In the central nervous system, glial cells play an important role in inflammatory and immune responses, and opioid peptides have been identified as essential mediators between the nervous and the immune systems. We report the profound upregulation of the opioid-related nociceptin/orphanin FQ (N/OFQ) by inflammatory me...

journal_title：Glia

authors： Buzas B,Rosenberger J,Kim KW,Cox BM

更新日期：2002-09-01 00:00:00

abstract：:The removal by phagocytosis of degenerated myelin is central for repair in Wallerian degeneration that follows traumatic injury to axons and in autoimmune demyelinating diseases (e.g., multiple sclerosis). We tested for roles played by the cAMP cascade in the regulation of myelin phagocytosis mediated by complement re...

journal_title：Glia

authors： Makranz C,Cohen G,Reichert F,Kodama T,Rotshenker S

更新日期：2006-03-01 00:00:00

abstract：:Astrocytes extend thin lamellate processes in the neuropil, in particular around synapses, where they can modulate synaptic function or mediate glial-neuronal communication. Previous studies have shown that these lamellate perisynaptic processes change their shape in response to neuronal activity, but the underlying m...

journal_title：Glia

authors： Derouiche A,Frotscher M

更新日期：2001-12-01 00:00:00

abstract：:There is a critical relationship between oligodendrocyte development, myelin production, and iron bioavailability. Iron deficiency leads to hypomyelination both in humans and animal models, and the neurological sequelae of hypomyelination are significant. Therefore, understanding molecular mechanisms of iron import in...

journal_title：Glia

authors： Todorich B,Zhang X,Connor JR

更新日期：2011-06-01 00:00:00

abstract：:Propagation of intercellular calcium waves (ICW) between astrocytes depends on the diffusion of signaling molecules through gap junction channels and diffusion through the extracellular space of neuroactive substances acting on plasmalemmal receptors. The relative contributions of these two pathways vary in different ...

journal_title：Glia

authors： Suadicani SO,De Pina-Benabou MH,Urban-Maldonado M,Spray DC,Scemes E

更新日期：2003-04-15 00:00:00

abstract：:Transient global ischemia induces CA1 hippocampal neuronal death without astrocyte death, perhaps mediated in part by the toxic translocation of zinc from presynaptic terminals to postsynaptic neurons. We tested the hypothesis that cellular depolarization, which occurs in the ischemic brain due to increased extracellu...

journal_title：Glia

authors： Sheline CT,Takata T,Ying H,Canzoniero LM,Yang A,Yu SP,Choi DW

更新日期：2004-04-01 00:00:00

abstract：:Injury to the preterm brain has a particular predilection for cerebral white matter. White matter injury (WMI) is the most common cause of brain injury in preterm infants and a major cause of chronic neurological morbidity including cerebral palsy. Factors that predispose to WMI include cerebral oxygenation disturbanc...

journal_title：Glia

authors： Back SA,Rosenberg PA

更新日期：2014-11-01 00:00:00

abstract：:Astrocytic glycogen, the only storage form of glucose in the brain, has been shown to play a fundamental role in supporting learning and memory, an effect achieved by providing metabolic support for neurons. We have examined the interplay between glycogenolysis and the bioenergetics of astrocytic Ca(2+) homeostasis, b...

journal_title：Glia

authors： Müller MS,Fox R,Schousboe A,Waagepetersen HS,Bak LK

更新日期：2014-04-01 00:00:00

abstract：:The nervous system of echinoderms has long been considered too unique to be directly comparable to the nervous system of other Deuterostomia. Using two novel monoclonal antibodies in combination with epifluorescence, confocal, and electron microscopy, we demonstrate here that the central nervous system of the sea cucu...

journal_title：Glia

authors： Mashanov VS,Zueva OR,Garcia-Arraras JE

更新日期：2010-10-01 00:00:00

abstract：:Inflammatory changes have been found in Parkinson's disease, in humans intoxicated with the parkinsonian toxin MPTP, and in animal models of the disease. However, it is still not known whether inflammatory changes are responsible for active nerve cell death or if they have a protective role against neurodegeneration. ...

journal_title：Glia

authors： Barcia C,Sánchez Bahillo A,Fernández-Villalba E,Bautista V,Poza Y Poza M,Fernández-Barreiro A,Hirsch EC,Herrero MT

更新日期：2004-05-01 00:00:00

abstract：:Glial cells play a crucial role in the organization and function of the nervous system. Cell-cell adhesion receptors of the cadherin family have been shown to participate in distinct morphogenetic processes throughout the development of the CNS, but little is known about glial expression of cadherins. Applying immunof...

journal_title：Glia

authors： Gerhardt H,Rascher G,Schuck J,Weigold U,Redies C,Wolburg H

更新日期：2000-08-01 00:00:00

abstract：:The interface between the blood and the cerebrospinal fluid (CSF) is formed by the choroid plexuses (CPs), which are specialized structures located within the brain ventricles. They are composed of a vascularized stroma surrounded by a tight epithelium that controls molecular and cellular traffic between the blood and...

journal_title：Glia

authors： Nataf S,Strazielle N,Hatterer E,Mouchiroud G,Belin MF,Ghersi-Egea JF

更新日期：2006-08-15 00:00:00

abstract：:Apoptosis of dentate granular cells in the hippocampal formation during bacterial meningitis may be mediated by glutamate toxicity. For this reason, we studied the relationship between glutamine synthetase activity and regional neuronal apoptosis in rabbits with experimental pneumococcal meningitis. The duration of me...

journal_title：Glia

authors： Tumani H,Smirnov A,Barchfeld S,Olgemöller U,Maier K,Lange P,Brück W,Nau R

更新日期：2000-03-01 00:00:00

abstract：:Gliogenesis in the mammalian CNS continues after birth, with astrocytes being generated well into the first two postnatal weeks. In this study, we have isolated an A2B5(+) astrocyte precursor (APC) from the postnatal rat forebrain, which is capable of differentiating into mature astrocytes in serum-free medium without...

journal_title：Glia

authors： Lin G,Goldman JE

更新日期：2009-04-15 00:00:00

abstract：:The p75 neurotrophin receptor has been implicated in the regulation of multiple cellular functions that differ depending on the cell context. We have observed that p75(NTR) is strongly induced on astrocytes as well as neurons in the hippocampal CA3 region after seizures; however, the function of this receptor on these...

journal_title：Glia

authors： Cragnolini AB,Huang Y,Gokina P,Friedman WJ

更新日期：2009-10-01 00:00:00

abstract：:Measurements of extracellular space volume and imaging of intrinsic optical signals (IOSs) have shown that neuronal activity increases light transmittance by causing cellular swelling. However, the cellular mechanisms underlying these volume changes and the contribution of astrocyte swelling to the changes in tissue v...

journal_title：Glia

authors： MacVicar BA,Feighan D,Brown A,Ransom B

更新日期：2002-02-01 00:00:00

abstract：:The role of microglia, the brain resident macrophages, in glioma biology is still ill-defined. Despite their cytotoxic potential, these cells that significantly infiltrate the tumor mass seem to support tumor growth rather than tumor eradication. A proper activation of microglia anti-tumor activities within the tumor ...

journal_title：Glia

authors： Mora R,Abschuetz A,Kees T,Dokic I,Joschko N,Kleber S,Geibig R,Mosconi E,Zentgraf H,Martin-Villalba A,Régnier-Vigouroux A

更新日期：2009-04-01 00:00:00

abstract：:The sequence of events by which new oligodendrocytes are generated in the adult mammalian central nervous system has not been clearly defined. Here we review old evidence that remyelinating cells can arise from the division of mature oligodendrocytes. In addition, we report the results of a tissue culture study compar...

journal_title：Glia

authors： Wood PM,Bunge RP

更新日期：1991-01-01 00:00:00

abstract：:Inwardly rectifying K+ (Kir) channels have been implicated in the mediation of retinal K+ homeostasis by Muller glial cells. To assess possible involvement of altered glial K+ channel expression in ischemia-reperfusion injury, transient retinal ischemia was induced in rat eyes. Acutely isolated Muller cells from posti...

journal_title：Glia

authors： Pannicke T,Uckermann O,Iandiev I,Biedermann B,Wiedemann P,Perlman I,Reichenbach A,Bringmann A

更新日期：2005-04-01 00:00:00

abstract：:Macrophages are critically involved in the pathogenesis of genetically caused demyelination, as it occurs in inherited demyelinating neuropathies. On the basis of the observation that upregulation of the Schwann cell-derived chemokine MCP-1 (CCL2) is a pathologically relevant mechanism for macrophage activation in mic...

journal_title：Glia

authors： Fischer S,Weishaupt A,Troppmair J,Martini R

更新日期：2008-06-01 00:00:00

abstract：:Free glycine is known to have vital functions in the mammalian brain, where it serves mainly as both neurotransmitter and neuromodulator. Despite its importance, little is known about the metabolic pathways of glycine synthesis and degradation in the central nervous system. In this study, the pathway of glycine metabo...

journal_title：Glia

authors： Verleysdonk S,Martin H,Willker W,Leibfritz D,Hamprecht B

更新日期：1999-09-01 00:00:00