Dihydroxyphenylglycine

Dihydroxyphenylglycine (DHPG) is a chemical compound that is used in the field of neuroscience to study the function of glutamate receptors. It is a potent and selective agonist for the group I metabotropic glutamate receptors (mGluR).

Chemical Structure

DHPG is a derivative of the amino acid phenylalanine. It has two hydroxyl groups attached to the phenyl ring, and a carboxyl group and an amino group at the alpha carbon. The presence of the hydroxyl groups makes DHPG a polar molecule, which allows it to interact with the protein structure of the mGluR.

Pharmacological Properties

DHPG is a potent agonist for the group I mGluR, which includes mGluR1 and mGluR5. These receptors are G protein-coupled receptors that are activated by the neurotransmitter glutamate. Activation of these receptors by DHPG can lead to various cellular responses, including the release of calcium ions from intracellular stores and the activation of phospholipase C.

Applications in Neuroscience

In neuroscience research, DHPG is often used to study the function of the group I mGluR. For example, it can be used to investigate the role of these receptors in synaptic plasticity, a process that is crucial for learning and memory. DHPG can also be used to study the involvement of the group I mGluR in neurological and psychiatric disorders, such as schizophrenia and depression.

Safety and Toxicity

As with any chemical compound, DHPG should be handled with care. It can cause irritation to the skin and eyes, and it can be harmful if swallowed or inhaled. Appropriate safety measures should be taken when handling DHPG, including the use of personal protective equipment.

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  Dihydroxyphenylglycine biosynthesis part 1

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  Dihydroxyphenylglycine biosynthesis part 2

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  Dihydroxyphenylglycine biosynthesis part 3