What is kainic acid?a. It is a glutamate agonistb. It is a glutamate antagonistc. It is a GABA agonistd. It is a GABA antagoniste. All of them
Question
What is kainic acid?
a. It is a glutamate agonist
b. It is a glutamate antagonist
c. It is a GABA agonist
d. It is a GABA antagonist
e. All of them
Solution
Understanding Kainic Acid
Kainic acid is a potent neurotoxin derived from the red algae Digenea simplex. It primarily acts as a glutamate agonist, meaning it mimics the action of glutamate, a key neurotransmitter in the brain that plays a role in synaptic transmission and plasticity.
Answering the Options
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a. It is a glutamate agonist: This statement is true. Kainic acid activates glutamate receptors, specifically the kainate receptors.
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b. It is a glutamate antagonist: This statement is false. Kainic acid does not inhibit glutamate action; rather, it stimulates it.
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c. It is a GABA agonist: This statement is false. Kainic acid does not act on GABA receptors; it is primarily related to glutamate activity.
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d. It is a GABA antagonist: This statement is false. Kainic acid does not inhibit GABAergic activity.
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e. All of them: This statement is false because only option (a) is correct.
Conclusion
The correct answer is a. It is a glutamate agonist.
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