BPS 321 Lecture Notes - Lecture 30: Naloxone, Equilibrium Constant, Intrinsic Activity

53 views5 pages

Document Summary

Potency of a receptor antagonist is purely dependent on its affinity for the receptor. Competitive antagonist (may be reversible or irreversible) Non competitive antagonist: reversible or irreversible. Receptor will bind either the agonist or the antagonist but not both. The blockade of the antagonist can be overcome by increasing the agonist concentration. The maximal response of the agonist is not decreased. The agonist dose-response curve in the presence of a competitive antagonist is displaced to the right parallel to the curve in the absence of agonist. Antagonist binds permanently to the receptor, cannot be displaced. Given enough time, at any antagonist concentration, all of the receptor will be permanently bound and blocked by the irreversible antagonist. With spare receptors = dose-response curve will move to the right and then the peak response will decrease. Examples) prasugrel, aspirin, omeprazole, monoamine oxidase inhibitors.

Get access

Grade+
$40 USD/m
Billed monthly
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
10 Verified Answers
Class+
$30 USD/m
Billed monthly
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
7 Verified Answers

Related Documents

Related Questions