Gap junction inhibitors modulate S100B secretion in astrocyte cultures and acute hippocampal slices

MC Leite, F Galland, DF de Souza… - Journal of …, 2009 - Wiley Online Library
Astrocytes sense, integrate, and respond to stimuli generated by neurons or neural injury;
this response involves gap junction (GJ) communication. Neuronal vulnerability to injury …

S1P inhibits gap junctions in astrocytes: involvement of Gi and Rho GTPase/ROCK

N Rouach, A Pébay, W Même, J Cordier… - European Journal of …, 2006 - Wiley Online Library
Abstract Sphingosine‐1‐phosphate (S1P) is a potent and pleiotropic bioactive
lysophospholipid mostly released by activated platelets that acts on its target cells through …

High glutamate decreases S100B secretion by a mechanism dependent on the glutamate transporter

F Tramontina, MC Leite, D Gonçalves… - Neurochemical …, 2006 - Springer
Several molecules have been shown to be involved in glial-neuronal communication,
including S100B, an astrocyte-derived neurotrophic cytokine. Extracellular S100B protects …

GABAA Modulation of S100B Secretion in Acute Hippocampal Slices and Astrocyte Cultures

AFK Vizuete, F Hansen, C Da Ré, MB Leal… - Neurochemical …, 2019 - Springer
Astrocytes are the major glial cells in brain tissue and are involved, among many functions,
ionic and metabolic homeostasis maintenance of synapses. These cells express receptors …

Extracellular S100β disrupts Bergman glia morphology and synaptic transmission in cerebellar Purkinje cells

OS Belozor, DA Yakovleva, IV Potapenko, AN Shuvaev… - Brain Sciences, 2019 - mdpi.com
Astrogliosis is a pathological process that affects the density, morphology, and function of
astrocytes. It is a common feature of brain trauma, autoimmune diseases, and …

Neural-activity-dependent release of S100B from astrocytes enhances kainate-induced gamma oscillations in vivo

S Sakatani, A Seto-Ohshima, Y Shinohara… - Journal of …, 2008 - Soc Neuroscience
S100B is the principal calcium-binding protein of astrocytes and known to be secreted to
extracellular space. Although secreted S100B has been reported to promote neurite …

Glutamate uptake is stimulated by extracellular S100B in hippocampal astrocytes.

F Tramontina, AC Tramontina, DF Souza… - Cellular and …, 2006 - europepmc.org
1. S100B is a calcium-binding protein expressed and secreted by astrocytes, which has
been implicated in glial-neuronal communication. Extracellular S100B appears to protect …

A brain slice model for in vitro analyses of astrocytic gap junction and connexin43 regulation: actions of ischemia, glutamate and elevated potassium

JI Nagy, WEI Li - European Journal of Neuroscience, 2000 - Wiley Online Library
Brain slices prepared from adult rats and maintained for up to 3 h in vitro were used to
investigate the effects of pharmacological treatments on the phosphorylation state …

High glutamate decreases S100B secretion stimulated by serum deprivation in astrocytes

D Gonçalves, J Karl, M Leite, L Rotta, C Salbego… - …, 2002 - journals.lww.com
S100B is a calcium-binding protein expressed and secreted by astrocytes, playing a
neurotrophic role in neighboring cells. A protective role of the S100B against glutamate …

Glial protein S100B modulates long-term neuronal synaptic plasticity

H Nishiyama, T Knöpfel, S Endo… - Proceedings of the …, 2002 - National Acad Sciences
Glial cells are traditionally regarded as elements for structural support and ionic
homeostasis, but have recently attracted attention as putative integral elements of the …