Glutamate: Difference between revisions
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'''Glutamate''', also known as '''glutamic acid''', is the most abundant [[neurotransmitter]] in the vertebrate nervous system | '''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 | 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]] | 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. |