Müller cell swelling, glutamate uptake, and excitotoxic neurodegeneration in the isolated rat retina.

abstract：:We have compared the effects of platelet-derived (PDGF) and basic fibroblast (bFGF) growth factors on the shape, migration, and differentiation of oligodendrocyte progenitor cells, the precursors of myelin-forming cells in the CNS. In the presence of bFGF, oligodendrocyte progenitors purified from rat neonatal brain c...

journal_title：Glia

authors： McKinnon RD,Smith C,Behar T,Smith T,Dubois-Dalcq M

更新日期：1993-03-01 00:00:00

abstract：:Microglial cells are the resident macrophages that are involved in brain injuries and infections. Recent studies using transcranial two-photon microscopy have shown that ATP and P2Y receptors mediated rapid chemotactic responses of miroglia to local injury. However, the molecular mechanism for microglial chemotaxis to...

journal_title：Glia

authors： Wu LJ,Vadakkan KI,Zhuo M

更新日期：2007-06-01 00:00:00

abstract：:The poor regenerative ability of neurons of the central nervous system in mammals, as compared with their counterpart in fish or amphibians, is thought to stem from differences in their immediate nonneuronal environment and its response to axonal injury. We describe one aspect of the environmental response to axonal i...

journal_title：Glia

authors： Cohen I,Sivron T,Lavie V,Blaugrund E,Schwartz M

更新日期：1994-01-01 00:00:00

abstract：:Injection of Fluoro-Gold (FG) into the whisker pad of rats yields a stable retrograde labeling of facial motoneurons. After removal of 10 mm from the facial nerve the microglia phagocytose the FG-prelabeled dead neurons and assume the label. A subsequent brightfield immunostaining of the sections with HRP-DAB as end-p...

journal_title：Glia

authors： Angelov DN,Neiss WF,Streppel M,Walther M,Guntinas-Lichius O,Stennert E

更新日期：1996-02-01 00:00:00

abstract：:Myelination is an evolutionary recent differentiation program that has been independently acquired in vertebrates by Schwann cells in the peripheral nervous system and oligodendrocytes in the central nervous system. Therefore, it is not surprising that regulating transcription factors differ substantially between both...

journal_title：Glia

authors： Sock E,Wegner M

更新日期：2019-11-01 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：:Breakdown of the blood-brain barrier is a feature of acute and chronic neurodegenerative changes, yet the relationship between astrocytes and the mature barrier remains unclear. We studied this role of astrocytes in vivo using a gliotoxin and evaluated changes in three vascular tight junction markers. Male Fisher F344...

journal_title：Glia

authors： Willis CL,Leach L,Clarke GJ,Nolan CC,Ray DE

更新日期：2004-10-01 00:00:00

abstract：:Multiple sclerosis (MS) is a chronic inflammatory disease of the central nervous system leading to selective destruction of myelin sheaths and/or oligodendrocytes. The immunological mechanisms responsible for myelin destruction and the primary target of the immune response have not yet been identified. Prior studies h...

journal_title：Glia

authors： Kuhlmann T,Lucchinetti C,Zettl UK,Bitsch A,Lassmann H,Brück W

更新日期：1999-10-01 00:00:00

abstract：:During action potential conduction, the axonal specializations at the node, together with the adjacent paranodal terminations of the myelin sheath, interact with glial processes that invest the nodal gap. The nature of the mutual signals between axons and myelinating glia, however, are not well understood. Here we hav...

journal_title：Glia

authors： Toews JC,Schram V,Weerth SH,Mignery GA,Russell JT

更新日期：2007-01-15 00:00:00

abstract：:Ascorbic acid has been shown to be an essential component for in vitro myelination and to improve the clinical and pathological phenotype of a mouse model of Charcot-Marie-tooth disease 1A. The mechanism of ascorbic acid uptake into peripheral nerves, however, has not been addressed so far. Hence, we studied the expre...

journal_title：Glia

authors： Gess B,Lohmann C,Halfter H,Young P

更新日期：2010-02-01 00:00:00

abstract：:Excessive extracellular glutamate leads to neuronal death in central nervous system. Excitatory glutamate transporter subtype 2 (GLT-1) carries bulk of glutamate reuptake in cerebral ischemia. Although GLT-1 expression fluctuates during the period of ischemia, little is known about its regulatory mechanism. Here we sh...

journal_title：Glia

authors： Ji YF,Zhou L,Xie YJ,Xu SM,Zhu J,Teng P,Shao CY,Wang Y,Luo JH,Shen Y

更新日期：2013-12-01 00:00:00

abstract：:Microglia show a rich repertoire of activation patterns regulated by a complex ensemble of surface ion channels, receptors, and transporters. We and others have investigated whether microglia vary their K+ channel expression as a means to achieve functional diversity. However, most of the prior studies were conducted ...

journal_title：Glia

authors： Di Lucente J,Nguyen HM,Wulff H,Jin LW,Maezawa I

更新日期：2018-09-01 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：:Synaptic zinc ions released during synaptic transmission interact with pre- and postsynaptic neuroreceptors, thus modulating neurotransmission. It is likely that they have to be efficiently cleared from the extracellular milieu to assure subsequent synaptic events. Both neurons and glia are assumed to participate in t...

journal_title：Glia

authors： Varea E,Alonso-Llosà G,Molowny A,Lopez-Garcia C,Ponsoda X

更新日期：2006-09-01 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：:Hypotonic challenge induces transient swelling in glial cells, which is typically followed by a regulatory volume decrease (RVD). In contrast, lactic acidosis (lactacidosis) induces persistent cell swelling in astrocytes without an accompanying RVD. In the present study, we studied the mechanisms by which lactacidosis...

journal_title：Glia

authors： Nabekura T,Morishima S,Cover TL,Mori S,Kannan H,Komune S,Okada Y

更新日期：2003-02-01 00:00:00

abstract：:Neuroprotective M2-skewed microglia appear as promising to alter the course of neurodegenerative diseases and G protein-coupled receptors (GPCRs) are potential targets to achieve such microglial polarization. A common feature of adenosine A2A (A2A R) and cannabinoid CB2 (CB2 R) GPCRs in microglia is that their express...

journal_title：Glia

authors： Franco R,Reyes-Resina I,Aguinaga D,Lillo A,Jiménez J,Raïch I,Borroto-Escuela DO,Ferreiro-Vera C,Canela EI,Sánchez de Medina V,Del Ser-Badia A,Fuxe K,Saura CA,Navarro G

更新日期：2019-12-01 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：:Hormonal and locally produced steroids act in the nervous system as neuroendocrine regulators, as trophic factors and as neuromodulators and have a major impact on neural development and function. Glial cells play a prominent role in the local production of steroids and in the mediation of steroid effects on neurons a...

journal_title：Glia

authors： Garcia-Segura LM,Melcangi RC

更新日期：2006-11-01 00:00:00

abstract：:We have employed amoeboid microglia purified from primary cultures of neonatal rat brain to examine the effect of bacterial lipopolysaccharide (LPS), a potent activator of immune cells, on intracellular calcium concentration ([Ca2+]i) in brain macrophages. In single brain macrophages loaded with indo 1, pulse administ...

journal_title：Glia

authors： Bader MF,Taupenot L,Ulrich G,Aunis D,Ciesielski-Treska J

更新日期：1994-08-01 00:00:00

abstract：:Microglia respond rapidly to injury, increasing their synthesis and release of inflammatory mediators, many of which contribute to the maintenance of persistent pain following CNS or PNS injury. We have recently shown that the lysosomal cysteine protease Cathepsin S (CatS) expressed by spinal microglia is vital for th...

journal_title：Glia

authors： Clark AK,Wodarski R,Guida F,Sasso O,Malcangio M

更新日期：2010-11-01 00:00:00

abstract：:The dorsal root entry zone is a PNS-CNS junction between Schwann cells and astrocytes, defining the site where dorsal root ganglia (DRG) axons enter the adult mammalian spinal cord. Following dorsal root injury (rhizotomy), DRG axons regenerate within the PNS environment of the root but stop at the DREZ and fail to re...

journal_title：Glia

authors： Golding JP,Bird C,McMahon S,Cohen J

更新日期：1999-06-01 00:00:00

abstract：:Cortical spreading depression (CSD) is a slowly propagating wave of depolarization of gray matter. This phenomenon is believed to underlie the migraine aura and similar waves of depolarization may exacerbate injury in a number of neurological disease states. CSD is characterized by massive ion dyshomeostasis, cell swe...

journal_title：Glia

authors： Rosic B,Dukefoss DB,Åbjørsbråten KS,Tang W,Jensen V,Ottersen OP,Enger R,Nagelhus EA

更新日期：2019-06-01 00:00:00

abstract：:Two membrane-localized transporter proteins (GLYT1 and GLYT2) are responsible for removal of extracellular glycine in the mammalian CNS. Whereas GLYT1 seems to be expressed mainly in glial cells, GLYT2 is neuronal. The highest concentrations of both transporters are found in glycinergic areas of the nervous system. Th...

journal_title：Glia

authors： Zafra F,Poyatos I,Gimenez C

更新日期：1997-06-01 00:00:00

abstract：:Schwann cells develop from neural crest cells in an ordered series of events and give rise to myelinating and nonmyelinating subtypes. In their mature state, myelinating Schwann cells produce myelin sheaths that provide trophic support to axons and allow saltatory conduction in the vertebrate peripheral nervous system...

journal_title：Glia

authors： Fröb F,Wegner M

更新日期：2020-08-01 00:00:00

abstract：:Pigment epithelium-derived factor (PEDF) is a potent and broadly acting neurotrophic factor that protects neurons in various types of cultured neurons against glutamate excitotoxicity and induced-apoptosis. Some of the effects of PEDF reflect specific changes in gene expression, mediated via activation of the transcri...

journal_title：Glia

authors： Yabe T,Sanagi T,Schwartz JP,Yamada H

更新日期：2005-05-01 00:00:00

abstract：:Whole-cell membrane currents and imaging of intracellular calcium concentrations ([Ca2+]i) were used to investigate the role of calcium in a response to serotonin of C6 glioma cells. Activation of a high-affinity serotonin receptor induced a transient rise in calcium concentration in these cells and activated a predom...

journal_title：Glia

authors： Manor D,Moran N,Segal M

更新日期：1992-01-01 00:00:00

abstract：:Activation of adenylate cyclase in astroglial cells in culture results in a rapid change in cell shape that appears to occur by the active movement of cytoplasm from peripheral cell regions to the perinuclear space with processes being formed along regions that remain extended. Three series of experiments were designe...

journal_title：Glia

authors： Shain W,Bausback D,Fiero A,Madelian V,Turner JN

更新日期：1992-01-01 00:00:00

abstract：:Reorganization of the adult dentate gyrus following unilateral entorhinal cortex lesion (ECL) is a well-established model for studying mechanisms of trauma-induced neuronal plasticity. The lesion induces deafferentiation of the outer molecular layer, which is accompanied by a strong astroglial reaction. This glial res...

journal_title：Glia

authors： Schröder W,Hager G,Kouprijanova E,Weber M,Schmitt AB,Seifert G,Steinhäuser C

更新日期：1999-11-01 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