Neurotrophic and migratory properties of an olfactory ensheathing cell line.

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：:In the vertebrate brain, much remains to be understood concerning the origin of glial cell diversity and the potential lineage relationships between the various types of glia. Besides astrocytes and myelin-forming oligodendrocytes, other macroglial cell populations are found in discrete areas of the central nervous sy...

journal_title：Glia

authors： Virard I,Coquillat D,Bancila M,Kaing S,Durbec P

更新日期：2006-02-01 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：:Focal ischemic stroke (FIS) is a leading cause of human death. Glial scar formation largely caused by reactive astrogliosis in peri-infarct region (PIR) is the hallmark of FIS. Glial cell-derived neurotrophic factor (GDNF) was originally isolated from a rat glioma cell-line supernatant and is a potent survival neurotr...

journal_title：Glia

authors： Zhang N,Zhang Z,He R,Li H,Ding S

更新日期：2020-11-01 00:00:00

abstract：:Allograft inflammatory factor-1 (AIF-1) is a Ca2+ binding peptide expressed predominantly by activated monocytes. In order to investigate the role of AIF-1 in autoimmune lesions of the rat nervous system, we have used a synthetic gene to express AIF-1 in E. coli and have produced monoclonal antibodies against AIF-1. A...

journal_title：Glia

authors： Schluesener HJ,Seid K,Kretzschmar J,Meyermann R

更新日期：1998-10-01 00:00:00

abstract：:Astrocytes are arranged in highly organized gap junction-coupled networks, communicating via the propagation of Ca2+ waves. Astrocytes are gap junction-coupled not only to neighboring astrocytes, but also to oligodendrocytes, forming so-called panglial syncytia. It is not known, however, whether glial cells in panglia...

journal_title：Glia

authors： Beiersdorfer A,Scheller A,Kirchhoff F,Lohr C

更新日期：2019-07-01 00:00:00

abstract：:We compared the inward K+ currents of Müller glial cells from healthy and pathologically changed human retinas. To this purpose, the whole-cell voltage-clamp technique was performed on noncultured Müller cells acutely isolated from human retinas. Cells originated from retinas of four healthy organ donors and of 24 pat...

journal_title：Glia

authors： Francke M,Pannicke T,Biedermann B,Faude F,Wiedemann P,Reichenbach A,Reichelt W

更新日期：1997-07-01 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：: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：:Inflammation has been linked to the induction of apneas and Sudden Infant Death Syndrome, whereas proinflammatory mediators inhibit breathing when applied peripherally or directly into the CNS. Considering that peripheral inflammation can activate microglia in the CNS and that this cell type can directly release all p...

journal_title：Glia

authors： Lorea-Hernández JJ,Morales T,Rivera-Angulo AJ,Alcantara-Gonzalez D,Peña-Ortega F

更新日期：2016-04-01 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：:Several lines of evidence indicate that the elaborated calcium signals and the occurrence of calcium waves in astrocytes provide these cells with a specific form of excitability. The identification of the cellular and molecular steps involved in the triggering and transmission of Ca(2+) waves between astrocytes result...

journal_title：Glia

authors： Scemes E,Giaume C

更新日期：2006-11-15 00:00:00

abstract：:The G protein-coupled receptor 17 (GPR17) plays crucial roles in myelination. It is highly expressed during transition of oligodendrocyte progenitor cells to immature oligodendrocytes, but, after this stage, it must be down-regulated to allow generation of mature myelinating cells. After endocytosis, GPR17 is sorted i...

journal_title：Glia

authors： Meraviglia V,Ulivi AF,Boccazzi M,Valenza F,Fratangeli A,Passafaro M,Lecca D,Stagni F,Giacomini A,Bartesaghi R,Abbracchio MP,Ceruti S,Rosa P

更新日期：2016-08-01 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：:Multiple sclerosis (MS) frequently starts near the lateral ventricles, which are lined by subventricular zone (SVZ) progenitor cells that can migrate to lesions and contribute to repair. Because MS-induced inflammation may decrease SVZ proliferation and thus limit repair, we studied the role of galectin-3 (Gal-3), a p...

journal_title：Glia

authors： James RE,Hillis J,Adorján I,Gration B,Mundim MV,Iqbal AJ,Majumdar MM,Yates RL,Richards MM,Goings GE,DeLuca GC,Greaves DR,Miller SD,Szele FG

更新日期：2016-01-01 00:00:00

abstract：:Aging is a major risk factor for the development of neurodegenerative diseases. Alzheimer's disease and other neurodegenerative diseases are characterized by abnormal and prominent protein aggregation in the brain, partially due to deficiency in protein clearance. It has been proposed that alterations in microglia pha...

journal_title：Glia

authors： Rodriguez-Callejas JD,Fuchs E,Perez-Cruz C

更新日期：2020-09-01 00:00:00

abstract：:Synemin, a very unique type VI intermediate filament (IF) protein, exhibits alternative splice variants termed alpha and beta. Unlike other IF proteins, synemin binds to actin-associated proteins, including alpha-actinin, vinculin, and alpha-dystrobrevin. Our previous work has demonstrated the presence of synemin in d...

journal_title：Glia

authors： Jing R,Pizzolato G,Robson RM,Gabbiani G,Skalli O

更新日期：2005-04-15 00:00:00

abstract：:The pro-apoptotic sphingolipid ceramide plays an emergent role in the etiology of Alzheimer's disease (AD), although its function for neurodegeneration is not known. We determined the concentration and composition of ceramide in hippocampal tissue from newborn presenilin 1 (PS1) knock-in (PS1M146V) mice, a mouse model...

journal_title：Glia

authors： Wang G,Silva J,Dasgupta S,Bieberich E

更新日期：2008-03-01 00:00:00

abstract：:RhoGTPases are molecular switches that integrate extracellular signals to perform diverse cellular responses. This ability relies on the network of proteins regulating RhoGTPases activity and localization, and on the interaction of RhoGTPases with many different cellular effectors. Myelination is an ideal place for Rh...

journal_title：Glia

authors： Feltri ML,Suter U,Relvas JB

更新日期：2008-11-01 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：: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：:The JAK/STAT pathway is activated in response to cytokines and growth factors. In addition, oxidative stress can activate this pathway, but the causative pro-oxidant forms are not well identified. We exposed cultures of rat glia to H2O2, FeSO4, nitroprussiate, or paraquat. We assessed oxidative stress by measuring rea...

journal_title：Glia

authors： Gorina R,Sanfeliu C,Galitó A,Messeguer A,Planas AM

更新日期：2007-10-01 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：:Oligodendrocytes (OL), cells that myelinate axons in the CNS, differentiate from early to late oligodendrocyte progenitor cells (OPC) to become mature OL. Unlike the case in the rodent brain, myelin formation starts prenatally in the human brain, but the sequence of OL development and the onset of myelination are not ...

journal_title：Glia

authors： Jakovcevski I,Zecevic N

更新日期：2005-03-01 00:00:00

abstract：:Microglia survey the brain environment by sensing several types of diffusible molecules, among which extracellular nucleotides released/leaked from damaged cells have central roles. Microglia sense ATP or other nucleotides by multiple P2 receptors, after which they change into several different phenotypes. However, so...

journal_title：Glia

authors： Imura Y,Morizawa Y,Komatsu R,Shibata K,Shinozaki Y,Kasai H,Moriishi K,Moriyama Y,Koizumi S

更新日期：2013-08-01 00:00:00

abstract：:Sphingosine 1-phosphate (S1P) is a platelet-derived bioactive sphingolipid that evokes a variety of biological responses. To understand the role of S1P in the central nervous system, we have examined the effect of S1P on the production of glial cell line-derived neurotrophic factor (GDNF) and growth regulation of cort...

journal_title：Glia

authors： Yamagata K,Tagami M,Torii Y,Takenaga F,Tsumagari S,Itoh S,Yamori Y,Nara Y

更新日期：2003-01-15 00:00:00

abstract：:Glial cell-mediated potassium and glutamate homeostases play important roles in the regulation of neuronal excitability. Diminished potassium and glutamate buffering capabilities of astrocytes result in hyperexcitability of neurons and abnormal synaptic transmission. The role of the different K+ channels in maintainin...

journal_title：Glia

authors： Kucheryavykh YV,Kucheryavykh LY,Nichols CG,Maldonado HM,Baksi K,Reichenbach A,Skatchkov SN,Eaton MJ

更新日期：2007-02-01 00:00:00

abstract：:Astrocytes are the most numerous cell type in the central nervous system. When cultured, these cells express a wide variety of receptors for neurotransmitters. Nonetheless, it has yet to be firmly established that adult astrocytes in situ express receptors for neurotransmitters. In this report the technique of combine...

journal_title：Glia

authors： Salm AK,McCarthy KD

更新日期：1989-01-01 00:00:00

abstract：:The crosstalk between glial cells and neurons represents an exceptional feature for maintaining the normal function of the central nervous system (CNS). Increasing evidence has revealed the importance of glial progenitor cells in adult neurogenesis, reestablishment of cellular pools, neuroregeneration, and axonal (re)...

journal_title：Glia

authors： Martins-Macedo J,Lepore AC,Domingues HS,Salgado AJ,Gomes ED,Pinto L

更新日期：2021-03-01 00:00:00

abstract：:Gamma-secretase is an aspartyl protease composed of four proteins: presenilin (PS), nicastrin (Nct), APH1, and PEN2. These proteins assemble into a membrane complex that cleaves a variety of substrates within the transmembrane domain. The gamma-secretase cleavage products play an important role in various biological p...

journal_title：Glia

authors： Nadler Y,Alexandrovich A,Grigoriadis N,Hartmann T,Rao KS,Shohami E,Stein R

更新日期：2008-04-01 00:00:00