antigen

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In a Phase 1 trial, 14 of 17 patients showed at least a 50% reduction in prostate-specific antigen, or PSA, a protein that indicates the presence of prostate cancer at elevated levels.

From Barron's • Feb. 24, 2026

But advanced prostate cancer has increased in recent years as fewer men receive prostate-specific antigen tests.

From The Wall Street Journal • Jan. 14, 2026

They become "chimeric antigen receptor T-cells" - or CAR T-cells - and their numbers are greatly expanded in the lab to make millions of copies.

From BBC • Jan. 13, 2026

The team is now refining versions of the antigen and antibodies that could be more effective, less expensive and easier to manufacture compared with current options that rely on weakened poxviruses.

From Science Daily • Dec. 12, 2025

When the connection is made, and a particular lymphocyte with a particular receptor is brought into the presence of the particular antigen, one of the greatest small spectacles in nature occurs.

From "The Lives of a Cell" by Lewis Thomas