Artifact versus reality--how astrocytes contribute to synaptic events.

abstract：:Water balance between cells and extracellular compartments is essential for proper functioning of the central nervous system, as demonstrated by its perturbations in pathological conditions. Aquaporin 4 (AQP4) is the predominant water channel in brain and spinal cord, where it is present mainly on astrocytic endfeet c...

journal_title：Glia

authors： Vitellaro-Zuccarello L,Mazzetti S,Bosisio P,Monti C,De Biasi S

更新日期：2005-08-01 00:00:00

abstract：:Much of the cell death following episodes of anoxia and ischemia in the mammalian central nervous system has been attributed to extracellular accumulation of glutamate and ATP, which causes a rise in [Ca(2+)](i), loss of mitochondrial potential, and cell death. However, restoration of blood flow and reoxygenation are ...

journal_title：Glia

authors： Domercq M,Mato S,Soria FN,Sánchez-gómez MV,Alberdi E,Matute C

更新日期：2013-03-01 00:00:00

abstract：:In the course of adult hippocampal neurogenesis, new cells go through a series of stages associated with proliferative activity. The most highly proliferative cell type is an intermediate precursor cell, called type-2 cell. We here report that on the level of type-2 cells a transition takes place between features asso...

journal_title：Glia

authors： Steiner B,Klempin F,Wang L,Kott M,Kettenmann H,Kempermann G

更新日期：2006-12-01 00:00:00

abstract：:The chemokines CXCL9 and CXCL10 bind to the common receptor CXCR3 and are implicated in the pathogenesis of T-cell-mediated immunity in the central nervous system (CNS). Here we examined the temporal and spatial regulation of the Cxcl9 and Cxcl10 genes in the CNS of mice with myelin oligodendrocyte glycoprotein (MOG)-...

journal_title：Glia

authors： Carter SL,Müller M,Manders PM,Campbell IL

更新日期：2007-12-01 00:00:00

abstract：:17beta-estradiol (betaE(2)) is an effective neuroprotectant against hydrogen peroxide (H(2)O(2))-induced retinal neuronal cell death and light-induced photoreceptor degeneration. Müller cells are the principal macroglia responsible for supporting retinal neuronal survival, information processing and removing metabolic...

journal_title：Glia

authors： Li C,Tang Y,Li F,Turner S,Li K,Zhou X,Centola M,Yan X,Cao W

更新日期：2006-03-01 00:00:00

abstract：:We have attempted to reconstruct in vitro the events that may occur in vivo during reperfusion injury after ischemia in the central nervous system. The phenomenon is induced by previous exposure to low calcium solutions ("calcium paradox") before the reperfusion episode. Intracellular calcium alterations during reperf...

journal_title：Glia

authors： Kim-Lee MH,Stokes BT,Yates AJ

更新日期：1992-01-01 00:00:00

abstract：:Microglial activation has been reported to promote neurotoxicity and also neuroprotective effects. A possible contributor to this dichotomy of responses may be the degree to which proximal neurons are injured. The aim of this study was to determine whether varying the severity of neuronal injury influenced whether mic...

journal_title：Glia

authors： Lai AY,Todd KG

更新日期：2008-02-01 00:00:00

abstract：:Although the peripheral anti-inflammatory effect of norepinephrine (NE) is well documented, the mechanism by which this neurotransmitter functions as an anti-inflammatory/neuroprotective agent in the central nervous system (CNS) is unclear. This article aimed to determine the anti-inflammatory/neuroprotective effects ...

journal_title：Glia

authors： Jiang L,Chen SH,Chu CH,Wang SJ,Oyarzabal E,Wilson B,Sanders V,Xie K,Wang Q,Hong JS

更新日期：2015-06-01 00:00:00

abstract：:Cell death in the oligodendrocyte lineage occurs during development and in pathological conditions as the result of a balance between opposing molecular signals. This review focuses on the molecular mechanisms of activation of signal transduction pathways affecting life/death decisions in progenitor cells and in matur...

journal_title：Glia

authors： Casaccia-Bonnefil P

更新日期：2000-01-15 00:00:00

abstract：:To study the role of L-type voltage-gated Ca++ channels in oligodendrocyte development, we used a mouse model of Timothy syndrome (TS) in which a gain-of-function mutation in the α1 subunit of the L-type Ca++ channel Cav1.2 gives rise to an autism spectrum disorder (ASD). Oligodendrocyte progenitor cells (OPCs) isolat...

journal_title：Glia

authors： Cheli VT,Santiago González DA,Zamora NN,Lama TN,Spreuer V,Rasmusson RL,Bett GC,Panagiotakos G,Paez PM

更新日期：2018-11-01 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：:Inefficient lysosomal degradation is central in the development of various brain disorders, but the underlying mechanisms and the involvement of different cell types remains elusive. We have previously shown that astrocytes effectively engulf dead cells, but then store, rather than degrade the ingested material. In th...

journal_title：Glia

authors： Lööv C,Mitchell CH,Simonsson M,Erlandsson A

更新日期：2015-11-01 00:00:00

abstract：:Cancer stem cells (CSC) are essential for tumorigenesis. The transcription factor Sox2 is overexpressed in brain gliomas, and is essential to maintain CSC. In mouse high-grade glioma pHGG cells in culture, Sox2 deletion causes cell proliferation arrest and inability to reform tumors after transplantation in vivo; in S...

journal_title：Glia

authors： Barone C,Buccarelli M,Alessandrini F,Pagin M,Rigoldi L,Sambruni I,Favaro R,Ottolenghi S,Pallini R,Ricci-Vitiani L,Malatesta P,Nicolis SK

更新日期：2021-03-01 00:00:00

abstract：:Serum is used widely for culturing neurons and glial cells, and is thought to provide essential, albeit undefined, factors such as hormones, growth factors, and trace elements that promote the growth of cells in vitro. Moreover, serum can have profound effects on cell proliferation, differentiation, and cell morpholog...

journal_title：Glia

authors： Ye ZC,Sontheimer H

更新日期：1998-03-01 00:00:00

abstract：:The possibility of a modular organization of non-neuronal elements was analyzed in the opercular region of the striate neocortex in adult New World monkeys. For this purpose, and in order to follow possible correlations in the general organization of neuronal and astroglial elements, immunocytochemical procedures for ...

journal_title：Glia

authors： Colombo JA,Schleicher A,Zilles K

更新日期：1999-01-01 00:00:00

abstract：:There is increasing evidence that chemokines, specialized regulators of the peripheral immune system, are also involved in the physiology and pathology of the CNS. It is known that glial cells (astrocytes and microglia) express various chemokine receptors like CCR1, -3, -5, and CXCR4. We have investigated the possible...

journal_title：Glia

authors： Zuurman MW,Heeroma J,Brouwer N,Boddeke HW,Biber K

更新日期：2003-03-01 00:00:00

abstract：:Toll-like receptors 7 (TLR7) and 9 (TLR9) are important mediators of innate immune responses. Both receptors are located in endosomal compartments, recognize nucleic acids, and signal via Myeloid differentiation factor 88 (MyD88). In the current study, we analyzed TLR7 and TLR9 induced activation of astrocytes and mic...

journal_title：Glia

authors： Butchi NB,Du M,Peterson KE

更新日期：2010-04-15 00:00:00

abstract：:We have analysed in detail the properties of oligodendrocyte-type-2 astrocyte (O-2A) progenitor cells derived from the spinal cords of adult rats to gain further insights into the mechanisms that control the generation of oligodendrocytes in the healthy and demyelinated adult central nervous systems (CNS). When O-2A p...

journal_title：Glia

authors： Engel U,Wolswijk G

更新日期：1996-01-01 00:00:00

abstract：:In the cerebellar cortex, Bergmann glia enclose the synapses of both parallel and climbing fiber inputs to the Purkinje neuron. The glia express Ca(2+)-permeable AMPA receptors, and the GLAST and GLT-1 classes of glutamate transporter, which are activated by glutamate released during synaptic transmission. We have pre...

journal_title：Glia

authors： Balakrishnan S,Bellamy TC

更新日期：2009-03-01 00:00:00

abstract：:The floor plate (FP), a signaling center and a structure rich in radial glia-like cells, has been traditionally thought to be devoid of neurons and neuronal progenitors. However, in the midbrain, the FP contains neurons of the dopaminergic (DA) lineage that require contact with radial glia-like cells for their inducti...

journal_title：Glia

authors： Bonilla S,Hall AC,Pinto L,Attardo A,Götz M,Huttner WB,Arenas E

更新日期：2008-06-01 00:00:00

abstract：:Astrocytes are thought to exert diverse functions in the brain, but it has been difficult to prove this in vivo because of a scarcity of tools to manipulate these cells. Here, we report the generation of new transgenic mouse lines that allow for conditional gene ablation in astrocytes using the tamoxifen- (TAM-) induc...

journal_title：Glia

authors： Slezak M,Göritz C,Niemiec A,Frisén J,Chambon P,Metzger D,Pfrieger FW

更新日期：2007-11-15 00:00:00

abstract：:Short term and chronic dBcAMP effects on the expression of glial fibrillary acidic protein (GFAP) in astroglial primary cultures are investigated. Short (48 h) and long (more than 7 days) treatments with the cAMP derivative induce both cell shape changes and an increase in GFAP immunolabelling. Such effects are only a...

journal_title：Glia

authors： Le Prince G,Fages C,Rolland B,Nunez J,Tardy M

更新日期：1991-01-01 00:00:00

abstract：:All extant vertebrates have a blood-brain barrier (BBB), a specialized layer of cells that controls molecular traffic between blood and brain, and contributes to the regulation (homeostasis) of the brain microenvironment. Such homeostasis is critical for the stable function of synapses and neural networks. The barrier...

journal_title：Glia

authors： Bundgaard M,Abbott NJ

更新日期：2008-05-01 00:00:00

abstract：:We demonstrate that there are significantly more p75 neurotrophin receptor- (NTR)-expressing cells in olfactory ensheathing cell (OEC) primary cultures from olfactory nerve rootlets (ONR), but a greater proportion of O4 antigen- and PSA-NCAM-expressing cells in parallel cultures from the nerve fibre layer of the olfac...

journal_title：Glia

authors： Kumar R,Hayat S,Felts P,Bunting S,Wigley C

更新日期：2005-04-01 00:00:00

abstract：:Astrocytes, together with microglia and macrophages, participate in innate inflammatory responses in the CNS. Although inflammatory mediators such as interferons generated by astrocytes may be critical in the defense of the CNS, sustained unopposed cytokine signaling could result in harmful consequences. Interferon re...

journal_title：Glia

authors： Tarassishin L,Loudig O,Bauman A,Shafit-Zagardo B,Suh HS,Lee SC

更新日期：2011-12-01 00:00:00

abstract：:Signaling through fibroblast growth factor receptors (FGFRs) is essential for many cellular processes including proliferation and migration, as well as differentiation events such as myelination. Anosmin-1 is an extracellular matrix (ECM) glycoprotein that interacts with the fibroblast growth factor receptor 1 (FGFR1)...

journal_title：Glia

authors： Murcia-Belmonte V,Medina-Rodríguez EM,Bribián A,de Castro F,Esteban PF

更新日期：2014-03-01 00:00:00

abstract：:In myelinated axons, voltage-gated sodium channels specifically cluster at the nodes of Ranvier, while voltage-gated potassium channels are located at the juxtaparanodes. These characteristic localizations are influenced by myelination. During development, Nav1.2 first appears in the predicted nodes during myelination...

journal_title：Glia

authors： Suzuki A,Hoshi T,Ishibashi T,Hayashi A,Yamaguchi Y,Baba H

更新日期：2004-05-01 00:00:00

abstract：:The normal adult vertebrate nervous system is a relative quiescent tissue in terms of cell proliferation. However, astrocytes in many regions of the central nervous system (CNS) retain the capacity to undergo cell division. To examine the mechanisms that regulate the proliferation of astrocytes in the CNS we have util...

journal_title：Glia

authors： Nakatsuji Y,Miller RH

更新日期：1998-04-01 00:00:00

abstract：:The mechanisms that control microglial activation are of interest, since neuroinflammation, which involves reactive microglia, may be an additional target in the search for therapeutic strategies to treat neurodegenerative diseases. Neuron-microglia interaction through contact-dependent or independent mechanisms is in...

journal_title：Glia

authors： Dentesano G,Serratosa J,Tusell JM,Ramón P,Valente T,Saura J,Solà C

更新日期：2014-06-01 00:00:00

abstract：:The expression of sodium channel alpha-subunit isoforms in astrocytes cultured from P-0 rat spinal cord and P-7 rat optic nerve was examined utilizing immunocytochemical methods with antibodies generated against conserved and isoform-specific amino acid sequences of the rat brain sodium channel. In spinal cord culture...

journal_title：Glia

authors： Black JA,Westenbroek R,Minturn JE,Ransom BR,Catterall WA,Waxman SG

更新日期：1995-06-01 00:00:00