Yoav Adam , Robert H . Edwards and Shimon Schuldiner monoamine transporter 2 Expression and function of the rat vesicular
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Expression and function of the rat vesicular monoamine transporter 2.
The vesicular monoamine transporters (VMATs) are essential proteins, involved in the storage of monoamines in the central nervous system and in endocrine cells, in a process that involves exchange of 2H(+) with one substrate molecule. The VMATs interact with various native substrates and clinically relevant drugs and display the pharmacological profile of multidrug transporters. Vesicular trans...
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The structures of membrane transporters are still mostly unsolved. Only recently, the first two high-resolution structures of transporters of the major facilitator superfamily (MFS) were published. Despite the low sequence similarity of the two proteins involved, lactose permease and glycerol-3-phosphate transporter, the reported structures are highly similar. This leads to the hypothesis that ...
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The release of monoamine neurotransmitters from cell bodies and dendrites has an important role in behavior, but the mechanism (vesicular or non vesicular) has remained unclear. Because the location of vesicular monoamine transporter 2 (VMAT2) defines the secretory vesicles capable of monoamine release, we have studied its trafficking to assess the potential for monoamine release by exocytosis....
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Vesicular monoamine transporter 2 (VMAT2) is an essential component of the monoaminergic neurotransmission system in the brain as it transports monoamine neurotransmitters from the neuronal cytosol into the synaptic vesicles and thus contributes to modulation of neurotransmitter release. Considering the continuing interest in VMAT2 as a drug target, as well as a target for the design of imaging...
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Previous studies have indicated that neuro-endocrine cells store monoamines and acetylcholine (ACh) in different secretory vesicles, suggesting that the transport proteins responsible for packaging these neurotransmitters sort to distinct vesicular compartments. Molecular cloning has recently demonstrated that the vesicular transporters for monoamines and ACh show strong sequence similarity, an...
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