abatacept

noun
aba·​tac·​ept | \ ˌab-ə-ˈta-ˌsept How to pronounce abatacept (audio) \

Medical Definition of abatacept

: a protein drug that inhibits the activation of T cells and is administered by injection in the treatment of rheumatoid arthritis

Note: Abatacept is a synthetic protein produced by recombinant DNA technology in which the extracellular domain of a receptor found on the surface of T cells is linked to a modified portion of IgG. Abatacept is marketed under the trademark Orencia.

Learn More about abatacept

Cite this Entry

“Abatacept.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/abatacept. Accessed 26 Sep. 2020.

Comments on abatacept

What made you want to look up abatacept? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized drawing of woman pole vaulting across gap to get trophy
  • Which is a synonym of fuliginous?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!