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Off-site Dopamine Links, User Submitted

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Thu Jul 2

• Ligand-Gated Chloride Channels Are Receptors for Biogenic Amines in C. elegans -- Ringstad et al. 325 (5936): 96 -- Science: LGC-53 is a high-affinity dopamine receptor, LGC-55 is a high-affinity tyramine receptor, and LGC-40 is a low-affinity serotonin receptor that is also gated by choline and acetylcholine. All are ligand-gated chloride channels.
• DECONSTRUCTING THE VANILLA MILKSHAKE: THE DOMINANT EFFECT OF SUCROSE ON SELF-ADMINISTR ATION OF NUTRIENT-FLAVO R MIXTURES

Wed Jul 1

• Dopamine Transporters in Striatum may contribute to modulation of Attention
• New, Unmedicated Parkies Have Trouble Learning From Rewards: So, if you have early Parkinson?s disease, you?re not taking meds for it yet, and your wife says you?ll get some extra lovin? if you do the dishes tonight? a newly-released test reveals the new Parkie might not LEARN that ?taking out garbage? equals ?extra lovin??.

Mon Jun 29

• Mind Hacks: The straight dopamine theory could be up in smoke
• Ventral Tegmental Area BDNF Induces an Opiate-Depende nt-Like Reward State in Naive Rats -- Vargas-Perez et al. 324 (5935): 1732 -- Science: A single infusion of BDNF into the VTA promotes a shift from a dopamine-indep endent to a dopamine-depen dent opiate reward system, identical to that seen when an opiate-naïve rat becomes dependent and withdrawn. This shift involves a switch in the {gamma}-aminob utyric acid type A (GABAA) receptors of VTA GABAergic neurons, from inhibitory to excitatory signaling.
• Dopaminergic transplantatio n for parkinson's disease: Current status and future prospects: "Collecti vely, these findings do not bode well for the short-term future of cell-based dopaminergic therapies in Parkinson' ;s disease."

Sat Jun 27

• Low Dopamine Levels ==> How to Increase?: Got the remainder of my most recent blood test results. Dopamine level is really, really low. I don't have the paperwork in front of me, but my
• The brain-addictio n connection : Crystal meth (speed), and our good friend dopamine: The brain-drugs relationship can sometimes be complex, but this article tries to simplify things for readers so that they have a basic understanding of what happens when certain drugs are used. This one deals with crystal meth (speed) and the way it affects dopamine in the brain.

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