Glutamate: Difference between revisions

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'''Glutamate''', also known as '''glutamic acid''', is the most abundant [[neurotransmitter]] in the vertebrate nervous system, and is involved in learning and memory. Glutamate is also used as a precursor in the body for forming [[GABA]], the main inhibitory neurotransmitter.
'''Glutamate''', also known as '''glutamic acid''', is the most abundant [[neurotransmitter]] in the vertebrate nervous system and is involved in learning and memory. Glutamate is also used as a precursor in the body for forming [[GABA]], the main inhibitory neurotransmitter.


==Chemistry==
==Chemistry==
Glutamate generally exists as a negatively-charged carboxylate, at pH values above 4.
Glutamate generally exists as a negatively-charged carboxylate at pH values above 4.


==The Glutamate System==
==The Glutamate System==
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===Drugs targeting the glutamate system===
===Drugs targeting the glutamate system===
*'''Agonists'''
*'''Agonists'''
A glutamate [[agonist]] is a chemical that binds to and activates a glutamate [[receptor]], and triggers a response, displaying full efficacy at that receptor.  
A glutamate [[agonist]] is a chemical that binds to and activates a glutamate [[receptor]] and triggers a response, displaying full efficacy at that receptor.  
*'''Positive Allosteric Modulators'''
*'''Positive Allosteric Modulators'''
A positive allosteric modulator is a substance which indirectly influences the effects of an agonist at a receptor, by binding to a site distinct from that of the agonist binding site. Usually they induce a structural change within the receptor structure.  
A positive allosteric modulator is a substance which indirectly influences the effects of an agonist at a receptor, by binding to a site distinct from that of the agonist binding site. Usually they induce a structural change within the receptor structure.