Results 31 to 40 of about 2,961,092 (275)

Unique Features of Network Bursts Emerge From the Complex Interplay of Excitatory and Inhibitory Receptors in Rat Neocortical Networks

open access: yesFrontiers in Cellular Neuroscience, 2019
Spontaneous network activity plays a fundamental role in the formation of functional networks during early development. The landmark of this activity is the recurrent emergence of intensive time-limited network bursts (NBs) rapidly spreading across the ...
Heidi Teppola   +2 more
doaj   +1 more source

Amino acids in the vitreous and intravitreal fluid in rhegmatogenous retinal detachment patients with different proliferative vitreoretinopathy grades

open access: yesJournal of Ophthalmology, 2015
Background:Proliferative vitreoretinopathy (PVR) is known to worsen the treatment prognosis of rhegmatogenous retinal detachment (RRD) and to result in irreversible loss of vision due to apoptotic or necrotic process in retinal neurons. Some studies have
G.V. Levitskaya
doaj   +1 more source

Neuroprotective effect of excitatory amino acid antagonist kynurenic acid in experimental bacterial meningitis [PDF]

open access: yes, 1996
Sustained high-level exposure to glutamate, an excitatory amino acid neurotransmitter, leads to neuronal death. Kynurenic acid attenuates the toxic effects of glutamate by inhibition of neuronal excitatory amino acid receptors, including the N-methyl-D ...
Ferriero, DM   +7 more
core   +1 more source

A mutation in amino acid permease AAP6 reduces the amino acid content of the Arabidopsis sieve elements but leaves aphid herbivores unaffected [PDF]

open access: yes, 2010
The aim of this study was to investigate the role of the amino acid permease gene AAP6 in regulating phloem amino acid composition and then to determine the effects of this altered diet on aphid performance.
Newbury, H. J.   +6 more
core   +2 more sources

Opioid Tolerance and Physical Dependence: Role of Spinal Neuropeptides, Excitatory Amino Acids and Their Messengers

open access: yesPain Research and Management, 2000
Chronic opioid treatment results in the development of tolerance and physical dependence. The mechanisms underlying opioid tolerance and/or physical dependence are unclear.
Khem Jhamandas   +3 more
doaj   +1 more source

Blockade of Glutamate Receptors within the Prelimbic Cortex Attenuate Concentration of Excitatory Amino Acids in the Morphine Self-administration in Rats

open access: yesAdvanced Biomedical Research, 2018
Background: The attitude of research on addiction has been done on the key role of glutamate. As a regard, the prelimbic cortex (PrL) has an important role in addiction, learning, and memory.
Fateme Aboutalebi   +2 more
doaj   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

AMPA GluA1-flip targeted oligonucleotide therapy reduces neonatal seizures and hyperexcitability.

open access: yesPLoS ONE, 2017
Glutamate-activated α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptors (AMPA-Rs) mediate the majority of excitatory neurotransmission in brain and thus are major drug targets for diseases associated with hyperexcitability or neurotoxicity ...
Nicole M Lykens   +4 more
doaj   +1 more source

Blockade of hyperbaric oxygen induced seizures by excitatory amino acid antagonists

open access: yes, 1985
The effectiveness of several excitatory amino acid antagonists to delay or block seizures induced by oxygen at high pressure was examined in mice. Of the antagonists tested, namely, L-proline, DL-α-aminoadipate, DL-2-amino-5-phosphonovalerate, and L ...
Carol A. Colton, Joel S. Colton
core   +1 more source

Hyperosmotic stress induces PARP1‐mediated HPF1‐dependent mono(ADP‐ribosyl)ation

open access: yesFEBS Letters, EarlyView.
Sorbitol‐induced hyperosmotic stress rapidly induces reversible mono(ADP‐ribosyl)ation (MARylation) on PARP1 without the signs of genotoxic signaling. We show that PARP1 autoMARylation is HPF1 dependent and forms hydroxylamine‐resistant O‐glycosidic linkages.
Anna Georgina Kopasz   +11 more
wiley   +1 more source

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