نتایج جستجو برای: glutamatergic transmission
تعداد نتایج: 251772 فیلتر نتایج به سال:
The striatum plays critical roles in action control and cognition, and activity of striatal neurons is driven by glutamatergic input. Inhibition of glutamatergic inputs to projection neurons and interneurons of the striatum by presynaptic G protein-coupled receptors (GPCRs) stands to modulate striatal output and striatum-dependent behaviors. Despite knowledge that a substantial number of glutam...
Functional organization of presynaptic metabotropic glutamate receptors in vagal brainstem circuits.
We demonstrated previously that, by suppressing cAMP levels, metabotropic glutamate receptors (mGluRs) play a crucial role in opioid receptor trafficking on GABAergic nerve terminals within gastric brainstem vagal circuits. Using whole-cell patch-clamp recordings, we aimed to correlate the influence of sensory vagal afferent fibers with the functional organization of mGluRs on the synaptic conn...
In the brain, dopamine exerts an important modulatory influence over behaviors such as emotion, cognition, and affect as well as mechanisms of reward and the control of locomotion. The dopamine transporter (DAT), which reuptakes the released neurotransmitter into presynaptic terminals, is a major determinant of the intensity and duration of the dopaminergic signal. Knockout mice lacking the dop...
Levodopa (l-dopa) therapy is still considered the gold-standard in the treatment of Parkinson's disease. However, the synaptic and cellular mechanisms involved in the amelioration of motor symptoms during this treatment are still unclear. To address this issue, we analysed the physiological and pharmacological properties of striatal glutamatergic and GABAergic synaptic transmission in an experi...
Glutamatergic neural transmission is involved in both neural plasticity and neurodegeneration. This combination of roles could result in ambivalent effects in which excitotoxic neurodegeneration augments neural plasticity in parallel. Neural plasticity can be induced by exposure-based learning (EBL) that resembles timing properties of long-term potentiation (LTP) protocols (i.e., LTP-like learn...
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