An antagonist is a drug that binds to a RECEPTOR (i.e., it has affinity for the receptor binding site) but does not activate the receptor to produce a biological response (i.e., it possesses no intrinsic activity). Antagonists are also called receptor...

An antagonist is a DRUG or chemical that binds to a RECEPTOR and blocks it, preventing it operating normally. It may be a COMPETITIVE ANTAGONIST (also known as SURMOUNTABLE ANTAGONIST) (that is, they compete with the natural LIGAND and AGONIST for...

In literature, the antagonist is that against which the main character or protagonist contends. [1] An antagonist is often a Villain, but may be a force of nature, set of circumstances, an animal, or other force that is in conflict with the...

The Antagonists This is an absorbing and illuminating account of the intersecting lives of two giants of American law, Felix Frankfurter and Hugo Black. They were together on some of the most important decisions of their era--Brown v. Board of Education, where both...

Hardly a week passes now without another book rolling off the presses with something to say about America's position in the world. Ira Magaziner, the organizer, says this nation's foreign trade is like a war; Eliot Janeway, the financial consultant, says it is like...

Health officials repeated safety concerns about an experimental group of HIV drugs Friday, days before government advisers will recommend whether the first drug from the class merits approval.Pfizer Inc. seeks Food and Drug Administration approval for maraviroc, potentially the first in a novel group of...

Health officials repeated safety concerns about an experimental group of HIV drugs Friday, days before government advisers will recommend whether the first drug from the class merits approval.Pfizer Inc. seeks Food and Drug Administration approval for maraviroc, potentially the first in a novel group of...