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Loss of EAAT4 accounts for the initial hyper-excitability of Purkinje cells lacking b-III spectrin and that loss of GLAST (zeige SLC1A3 Antikörper) appears to work synergistically to worsen motor deficits. When levels of both EAAT4 and GLAST (zeige SLC1A3 Antikörper) are compromised in b-III(-/-) mice, the proximal dendrites of Purkinje cells within the posterior cerebellum are the most vulnerable to degeneration.
EAAT4 was downregulated due to the loss of Rheb1 in Purkinje cells; mTORC1 was downregulated and Akt (zeige AKT1 Antikörper) was upregulated in Rheb1 cKO mice, suggesting that mTORC1 and Akt (zeige AKT1 Antikörper) may be related to the downregulation of EAAT4; Rheb1 knockout decreased EAAT4 currents and slowed down the kinetics of AMPA (zeige GRIA3 Antikörper) currents; Rheb1 deficiency did not affect the morphology of Purkinje cell layer and the development of Purkinje cells
Glutamate (zeige GRIN1 Antikörper) transporters EAAT4 and EAAT5 (zeige SLC1A7 Antikörper) are expressed in vestibular hair cells and calyx endings.
The role of EAAT4 in cortical glutamatergic transmission may be more important than previously thought.
Purkinje cell loss in the Inpp4a (zeige INPP4A Antikörper)(wbl) mutant is due to glutamate (zeige GRIN1 Antikörper) excitotoxicity initiated by the climbing fiber, and that Eaat4 may exert a protective effect.
abnormal expression of EAAT4, GABRA6 (zeige GABRA6 Antikörper), Spi2 combined with lower levels of glutamate (zeige GRIN1 Antikörper) and GABA are likely to be associated with the pathophysiology of Canavan disease.
These results demonstrate that EAAT4 is expressed in astrocytes. This astrocytic localization of neuronal EAAT4 may reveal a new function of EAAT4 in the central nervous system.
EAAT4 mRNA is expressed in the cerebellum of prion protein (zeige PRNP Antikörper)-deficient (PrP-/-) mice presenting with cerebellar ataxia, at the levels identical to those in the cerebellum of non-ataxic PrP+/- mice
EAAT4 is present in the outer segments, a nonsynaptic region of photoreceptors, where it might provide a feedback mechanism for sensing extracellular glutamate (zeige GRIN1 Antikörper) or serve as an outer barrier to prevent glutamate (zeige GRIN1 Antikörper) from escaping from the retina.
The main role of EAAT4 is to remove low concentrations of glutamate (zeige GRIN1 Antikörper) that escape from the uptake by glial transporters at late times and thus prevent the transmitter from spilling over to neighboring synapses.
Lithium-sensitive GSK3ss is a powerful regulator of excitatory amino acid transporters EAAT3 (zeige SLC1A1 Antikörper) and EAAT4.
Decreased SLC1A6 expression in neuregulin 1 (zeige NRG1 Antikörper) risk variant may be an adaptive effect to restore glutamate (zeige GRIN1 Antikörper) signalling in schizophrenia patients.
A twofold difference in functional EAAT4 levels is sufficient to alter signaling to Bergman glia in reporter mice.
strate-dependent gating of anion channels associated with excitatory amino acid transporter 4.
a conserved aspartate determines pore properties of anion channels associated with excitatory amino acid transporter 4 (EAAT4)
At least one susceptibility locus for schizophrenia may be located within or nearby SLC1A6.
Independent, rather than cooperative anion conductance gating significantly alters predictions of the influence that EAAT4-mediated anion currents will have on synaptic transmission at low glutamate (zeige GRIN1 Antikörper) concentrations.
conclusion, maximal glutamate (zeige GRIN1 Antikörper) transport modulation by SGK1 (zeige SGK1 Antikörper) is accomplished by direct EAAT4 stimulation and to a lesser extent by inhibition of intrinsic Nedd4-2 (zeige NEDD4L Antikörper).
Transports L-glutamate and also L- and D-aspartate. Seems to act as a symport by cotransporting sodium (By similarity).
solute carrier family 1 (high affinity aspartate/glutamate transporter), member 6
, excitatory amino acid transporter 4
, excitatory amino acid transporter SLC1A6
, excitatory amino acid transporter 4-like
, high-affinity neuronal glutamate transporter
, sodium-dependent glutamate/aspartate transporter
, solute carrier family 1 member 6
, solute carrier family 1, member 6
, high affinity aspartate/glutamate transporter
, glutamate transporter