نتایج جستجو برای: gabaergic system
تعداد نتایج: 2239045 فیلتر نتایج به سال:
Gamma-aminobutyric-acidergic (GABAergic) cells form a very heterogeneous population of neurons that play a crucial role in the coordination and integration of cortical functions. Their number and diversity increase through mammalian brain evolution. Does evolution use the same or different developmental rules to provide the increased population of cortical GABAergic neurons? In rodents, these n...
The relative contribution by GABA and glycine to synaptic transmission of motoneurons was investigated using an hypoglossus nucleus slice preparation from neonatal rats. Spontaneous, miniature, or electrically evoked postsynaptic currents (sPSCs, mPSCs, ePSCs, respectively) mediated by glycine or GABA were recorded under whole cell voltage clamp after blocking excitatory glutamatergic transmiss...
The mammalian oculomotor nucleus receives a strong γ-aminobutyric acid (GABA)ergic synaptic input, whereas such projections have rarely been reported in fish. In order to determine whether this synaptic organization is preserved across vertebrates, we investigated the GABAergic projections to the oculomotor nucleus in the goldfish by combining retrograde transport of biotin dextran amine, injec...
Transplantation of GABAergic interneurons (INs) can provide long-term functional benefits in animal models of epilepsy and other neurological disorders. Whereas GABAergic INs can be differentiated from embryonic stem cells, alternative sources of GABAergic INs may be more tractable for disease modeling and transplantation. We identified five factors (Foxg1, Sox2, Ascl1, Dlx5, and Lhx6) that con...
Cortical GABAergic neurons are generated in the ventral telencephalon and migrate dorsally into the cortex following a tangential path. GDNF signaling via GFRalpha1 was found to promote the differentiation of ventral precursors into GABAergic cells, enhancing their neuronal morphology and motility. GDNF stimulated axonal growth in cortical GABAergic neurons and acted as a potent chemoattractant...
and ectopic expression, we demonstrated that Gata2 regulates GABAergic neuron development in the midbrain, but not in the rhombomere1. Without Gata2, all the precursors in the embryonic midbrain fail to activate GABAergic neuron-specific gene expression and switch to a glutamatergic phenotype instead. Surprisingly, this fate switch is also observed throughout the neonatal midbrain, except for t...
and ectopic expression, we demonstrated that Gata2 regulates GABAergic neuron development in the midbrain, but not in the rhombomere1. Without Gata2, all the precursors in the embryonic midbrain fail to activate GABAergic neuron-specific gene expression and switch to a glutamatergic phenotype instead. Surprisingly, this fate switch is also observed throughout the neonatal midbrain, except for t...
The chemistry of the gamma aminobutyric acid (GABA) had been established. However, the explanation on the interplay between GABA receptors antagonize fundamental concept of the GABAergic Signaling. For example, glutamate spillover from excitatory afferent terminals leads to the modulation of GABAergic signals. However, this result is true with respect to GABAB receptors only. The physics of it...
Cortical GABAergic neurons are generated in the ventral telencephalon and migrate dorsally into the cortex following a tangential path. GDNF signaling via GFR 1 was found to promote the differentiation of ventral precursors into GABAergic cells, enhancing their neuronal morphology and motility. GDNF stimulated axonal growth in cortical GABAergic neurons and acted as a potent chemoattractant of ...
Projections from the lateral hypothalamus (LH) to the ventral tegmental area (VTA), containing both GABAergic and glutamatergic components, encode conditioned responses and control compulsive reward-seeking behavior. GABAergic neurons in the LH have been shown to mediate appetitive and feeding-related behaviors. Here we show that the GABAergic component of the LH-VTA pathway supports positive r...
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