Sphingosine 1-phosphate induces the production of glial cell line-derived neurotrophic factor and cellular proliferation in astrocytes.

abstract：:Hypoglycemia is a common and serious problem among diabetic patients receiving treatment with insulin or other glucose-lowering drugs. Moderate hypoglycemia impairs neurological function, and severe hypoglycemia leads to death of selectively vulnerable neurons. Recent advances have shed new light on the underlying pro...

journal_title：Glia

authors： Suh SW,Hamby AM,Swanson RA

更新日期：2007-09-01 00:00:00

abstract：:The extrasynaptic region of the squid giant nerve fiber exhibits neuron-Schwann cell interactions that appear to involve glutamate as a mediator. In an earlier work, it was demonstrated that the periaxonal sheaths of such nerves (where the Schwann cells are located) possess the capacity to transport glutamate. However...

journal_title：Glia

authors： García RA

更新日期：1998-08-01 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：:The production of insulin-like growth factor (IGF)-I and -II and their binding proteins (BPs) has been studied in new-born rat astroblasts at confluency in primary culture. Under the influence of fibroblast growth factors (FGFs) (acidic and basic), the morphology of the astroblasts was altered, 125I-deoxyuridine incor...

journal_title：Glia

authors： Loret C,Janet T,Labourdette G,Schneid H,Binoux M

更新日期：1991-01-01 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：:This report describes the development of a new panel of monoclonal antibodies produced following immunization of mice with cultured rat microglial cells. Using these new reagents and previously defined antibodies that bind to microglia or macrophages, the responses of parenchymal microglia, perivascular "microglial" c...

journal_title：Glia

authors： Flaris NA,Densmore TL,Molleston MC,Hickey WF

更新日期：1993-01-01 00:00:00

abstract：:We characterized morphological effects of the endogenous excitotoxin, glutamate in ex vivo retinal segments prepared from 30-day-old rats. Initial changes induced by glutamate consisted of reversible, sodium-dependent Müller cell swelling. This glial swelling was mimicked by glutamate transport substrates but not by i...

journal_title：Glia

authors： Izumi Y,Kirby CO,Benz AM,Olney JW,Zorumski CF

更新日期：1999-02-15 00:00:00

abstract：:Rehabilitative therapies after stroke are designed to improve remodeling of neuronal circuits and to promote functional recovery. Only very little is known about the underlying cellular mechanisms. In particular, the effects of rehabilitative training on glial cells, which play an important role in the pathophysiology...

journal_title：Glia

authors： Keiner S,Wurm F,Kunze A,Witte OW,Redecker C

更新日期：2008-04-01 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：:We have previously shown that cultured astrocytes from neonatal rat cerebral cortex are depolarized by GABA. The underlying ionic mechanism, activation of a Cl- conductance and responses to an agonist and antagonists were found to be similar to those of the neuronal GABAA receptor (Kettenmann et al.: Brain Research 40...

journal_title：Glia

authors： Backus KH,Kettenmann H,Schachner M

更新日期：1988-01-01 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：:Microglia are the resident immune cells of the brain, which are important therapeutic targets for regulating the inflammatory responses particularly neurodegeneration in the aging human brain. The activation, chemotaxis and migration of microglia are regulated through G-protein coupled receptors by chemokines such as ...

journal_title：Glia

authors： Muessel MJ,Harry GJ,Armstrong DL,Storey NM

更新日期：2013-10-01 00:00:00

abstract：:Schwann cells (SCs), the primary glia in the peripheral nervous system (PNS), display remarkable plasticity in that fully mature SCs undergo dedifferentiation and convert to repair SCs upon nerve injury. Dedifferentiated SCs provide essential support for PNS regeneration by producing signals that enhance the survival ...

journal_title：Glia

authors： Hyung S,Im SK,Lee BY,Shin J,Park JC,Lee C,Suh JF,Hur EM

更新日期：2019-02-01 00:00:00

abstract：:Sulfated glycosaminoglycans (S-GAGs) were isolated from the pericellular (P), intracellular (I), and extracellular (E) compartments of astrocytes cultures from lateral (L) and medial (M) sectors of embryonic mouse midbrain; these sectors differ in their ability to support neurite growth (L, permissive, M, non-permissi...

journal_title：Glia

authors： Garcia-Abreu J,Silva LC,Tovar FF,Onofr- GR,Cavalcante LA,Moura Neto V

更新日期：1996-08-01 00:00:00

abstract：:We have identified a developmentally regulated, oligodendrocyte-specific protein, designated microtubule-associated protein-2 expressing exon 13 (MAP-2+13), in the human central nervous system (CNS). Monoclonal antibodies directed against MAP-2+13 labeled oligodendrocytes in the white matter of human fetal spinal cord...

journal_title：Glia

authors： Shafit-Zagardo B,Davies P,Rockwood J,Kress Y,Lee SC

更新日期：2000-02-01 00:00:00

abstract：:Oligodendroglia and Schwann cells synthesize myelin-specific proteins and lipids for the assembly of the highly organized myelin membrane of the motor-sensory axons in the central (CNS) and peripheral nervous system (PNS), respectively, allowing rapid saltatory conduction. The isoforms of the main myelin proteins, the...

journal_title：Glia

authors： Spörkel O,Uschkureit T,Büssow H,Stoffel W

更新日期：2002-01-01 00:00:00

abstract：:Chronic glial activation in neurodegenerative diseases contributes to neuronal dysfunction and neuron loss through production of neuroinflammatory molecules. However, the molecular mechanisms, particularly the signal transduction pathways involved in glia-dependent neuron death, are poorly understood. As a first step ...

journal_title：Glia

authors： Xie Z,Smith CJ,Van Eldik LJ

更新日期：2004-01-15 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：:Extracellular levels of the brain's endogenous anticonvulsant and neuroprotectant adenosine largely depend on an astrocyte-based adenosine cycle, comprised of ATP release, rapid degradation of ATP into adenosine, and metabolic reuptake of adenosine through equilibrative nucleoside transporters and phosphorylation by a...

journal_title：Glia

authors： Boison D

更新日期：2012-08-01 00:00:00

abstract：:Perisynaptic Schwann cells (PSCs) envelop axonal terminals and are physiologically distinct from the nearby myelinating Schwann cells (MSCs), which surround the same innervating motor axons. PSCs have special functions at the neuromuscular synapse, where they detect and can modulate neurotransmitter release. Although ...

journal_title：Glia

authors： Georgiou J,Charlton MP

更新日期：1999-08-01 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：:Recent research has focused on soluble oligomeric assemblies of beta-amyloid peptides (Abeta) as the proximate cause of neuroinflammation, synaptic loss, and the eventual dementia associated with Alzheimer's disease (AD). In this study, tripchlorolide (T4), an extract of Tripterygium wilfordii Hook. F (TWHF), was stud...

journal_title：Glia

authors： Pan XD,Chen XC,Zhu YG,Chen LM,Zhang J,Huang TW,Ye QY,Huang HP

更新日期：2009-08-15 00:00:00

abstract：:The substantia gelatinosa (SG) of the spinal cord processes incoming painful information to ascending projection neurons. Whole-cell patch clamp recordings from SG spinal cord slices documented that in a low Ca(2+) /no Mg(2+) (low X(2+) ) external medium adenosine triphosphate (ATP)/dibenzoyl-ATP, Bz-ATP) caused inwar...

journal_title：Glia

authors： Ficker C,Rozmer K,Kató E,Andó RD,Schumann L,Krügel U,Franke H,Sperlágh B,Riedel T,Illes P

更新日期：2014-10-01 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：:The red nucleus (RN) has been widely used to study the formation and remodeling of synaptic connections during development and in post-lesion plasticity. Since glial cells are thought to contribute to synaptic plasticity, and information on functional properties of brain stem glia is missing, we analyzed voltage-gated...

journal_title：Glia

authors： Akopian G,Kuprijanova E,Kressin K,Steinhüser C

更新日期：1997-03-01 00:00:00

abstract：:Astrocytes release a variety of transmitter molecules, which mediate communication between glial cells in the brain and modulate synaptic transmission. ATP is a major glia-derived transmitter, but the mechanisms and kinetics of ATP release from astrocytes remain largely unknown. Here, we combined epifluorescence and t...

journal_title：Glia

authors： Pryazhnikov E,Khiroug L

更新日期：2008-01-01 00:00:00

abstract：:The idea of a metabolic coupling between neurons and astrocytes in the brain has been entertained for about 100 years. The use recently of simple and well-compartmentalized nervous systems, such as the honeybee retina or purified preparations of neurons and glia, provided strong support for a nutritive function of gli...

journal_title：Glia

authors： Tsacopoulos M,Poitry-Yamate CL,Poitry S,Perrottet P,Veuthey AL

更新日期：1997-09-01 00:00:00

abstract：:The distribution of metallothioneins I/II in the mouse brain and their specific area distribution upon physical stress were studied. To induce physical stress, groups of mice were subjected to total darkness for different periods (2 weeks, 1 month, and 2 months). The concentration of metallothioneins, evaluated by imm...

journal_title：Glia

authors： Beltramini M,Di Pisa C,Zambenedetti P,Wittkowski W,Mocchegiani E,Musicco M,Zatta P

更新日期：2004-07-01 00:00:00

abstract：:In the brain, glycogen metabolism has been implied in synaptic plasticity and learning, yet the distribution of this molecule has not been fully described. We investigated cerebral glycogen of the mouse by immunohistochemistry (IHC) using two monoclonal antibodies that have different affinities depending on the glycog...

journal_title：Glia

authors： Oe Y,Baba O,Ashida H,Nakamura KC,Hirase H

更新日期：2016-09-01 00:00:00

abstract：:Long-term, persistent central nervous system inflammation is commonly seen following brain infection. Using a murine model of viral encephalitis (murine cytomegalovirus, MCMV) we have previously shown that post-encephalitic brains are maintained in an inflammatory state consisting of glial cell reactivity, retention o...

journal_title：Glia

authors： Lokensgard JR,Schachtele SJ,Mutnal MB,Sheng WS,Prasad S,Hu S

更新日期：2015-11-01 00:00:00