I know that the non-steroidal anti-inflammatory drugs (e.g., aspirin, ibuprofen, naproxen) affect the enzymes cyclooxygenase (types I and II).
Is there any difference in the degree to which these drugs manipulate/inhibit the enzymes (I assume their affinities for COX-1 and COX-2 are at least somewhat different)? Is there any evidence as to whether the the NSAIDs collect in certain areas of the body in a compartmental fashion?
Finally, are there any known phenotypes of COX-1 and COX-2 enzymes that are present in the general population that affect the ability of these drugs to act?
