Results 71 to 80 of about 2,618,718 (368)

A biophysical network model reveals the link between deficient inhibitory cognitive control and major neurotransmitter and neural connectivity hypotheses in schizophrenia [PDF]

open access: yesarXiv, 2021
We address a biophysical network dynamical model to study how the modulation of dopamine (DA) activity and related N-methyl-d-aspartate (NMDA) glutamate receptor activity as well as the emerging Pre-Frontal Cortex (PFC) functional connectivity network (FCN) affect inhibitory cognitive function in schizophrenia in an antisaccade task.
arxiv  

Sources of extracellular glutamate in developing white matter [PDF]

open access: yes, 2011
Neurotransmitters mediate synaptic communication between neurons and are therefore fundamental to such essential human characteristics as learning, memory, cognition and persona.
Fern, Robert
core  

Simultaneous release of glutamate and acetylcholine from single magnocellular "cholinergic" basal forebrain neurons [PDF]

open access: yes, 2006
Basal forebrain (BF) neurons provide the principal cholinergic drive to the hippocampus and cortex. Their degeneration is associated with the cognitive defects of Alzheimer's disease. Immunohistochemical studies suggest that some of these neurons contain
Abogadie, FC, Allen, TGJ, Brown, DA
core   +1 more source

Glutamate Receptors: Desensitizing Dimers [PDF]

open access: yesCurrent Biology, 2002
Recent structural studies show, not only how the desensitization of a ligand-gated ion channel with bound agonist can be rationalized in terms of subunit-subunit instability, but also how a previously unknown mode of interaction may provide clues into how the receptor is tetramerically assembled in vivo.
openaire   +3 more sources

Escape from TGF‐β‐induced senescence promotes aggressive hallmarks in epithelial hepatocellular carcinoma cells

open access: yesMolecular Oncology, EarlyView.
Chronic TGF‐β exposure drives epithelial HCC cells from a senescent state to a TGF‐β resistant mesenchymal phenotype. This transition is characterized by the loss of Smad3‐mediated signaling, escape from senescence, enhanced invasiveness and metastatic potential, and upregulation of key resistance modulators such as MARK1 and GRM8, ultimately promoting
Minenur Kalyoncu   +11 more
wiley   +1 more source

Glutamatergic Mechanisms in Glioblastoma and Tumor-Associated Epilepsy

open access: yesCells, 2021
The progression of glioblastomas is associated with a variety of neurological impairments, such as tumor-related epileptic seizures. Seizures are not only a common comorbidity of glioblastoma but often an initial clinical symptom of this cancer entity ...
Falko Lange   +2 more
doaj   +1 more source

mGluR5 antagonism inhibits cocaine reinforcement and relapse by elevation of extracellular glutamate in the nucleus accumbens via a CB1 receptor mechanism. [PDF]

open access: yes, 2018
Metabotropic glutamate receptor 5 (mGluR5) antagonism inhibits cocaine self-administration and reinstatement of drug-seeking behavior. However, the cellular and molecular mechanisms underlying this action are poorly understood.
Bi, Guo-Hua   +9 more
core   +2 more sources

Glutamate Receptor Channel Kinetics

open access: yesBiophysical Journal, 1988
Single channel recordings from the locust muscle D-glutamate receptor channel were obtained using glutamate concentrations ranging from 10(-6) to 10(-2) M. Channel kinetics were analyzed to aid in the development of a model for the gating mechanism.
R. L. Ramsey   +3 more
openaire   +3 more sources

Metabotropic Glutamate Receptors and Epileptogenesis [PDF]

open access: yesEpilepsy Currents, 2002
Activation of metabotropic glutamate receptors (mGluRs) often produces long-lasting effects on the excitability of cortical neurons. For example, mGluR stimulation induces long-term potentiation or depression of excitatory synaptic transmission in the hippocampus.
Robert K. S. Wong   +2 more
openaire   +3 more sources

Targeting the AKT/mTOR pathway attenuates the metastatic potential of colorectal carcinoma circulating tumor cells in a murine xenotransplantation model

open access: yesMolecular Oncology, EarlyView.
Dual targeting of AKT and mTOR using MK2206 and RAD001 reduces tumor burden in an intracardiac colon cancer circulating tumor cell xenotransplantation model. Analysis of AKT isoform‐specific knockdowns in CTC‐MCC‐41 reveals differentially regulated proteins and phospho‐proteins by liquid chromatography coupled mass spectrometry. Circulating tumor cells
Daniel J. Smit   +19 more
wiley   +1 more source

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