autoantibody

noun

au·​to·​an·​ti·​body ˌȯ-(ˌ)tō-ˈan-ti-ˌbä-dē 

: an antibody active against a tissue constituent of the individual producing it

Examples of autoantibody in a Sentence

Recent Examples on the Web

That means finding people in the early stages of disease, when autoantibodies show that the immune system has begun attacking beta cells but blood sugar levels are not yet high. — Anna McKie, Wired News, 7 May 2026

Oram’s team has developed a calculator that combines factors such as age, family history, genetic risk, and autoantibody status—as determined by a simple blood test— to estimate someone’s chances of developing Type 1 diabetes. — Anna McKie, Wired News, 7 May 2026

Currently, screening for Type 1 diabetes typically relies on genetic testing and testing for the presence of autoantibodies, which are proteins that indicate the body is attacking insulin-producing cells. — Angelica P. Ahrens, The Conversation, 21 Apr. 2026

Patients may feel well while their bloodwork still shows abnormal autoantibodies or complement levels—subtle signals that the immune system remains activated. — Lauryn Higgins, Flow Space, 13 Mar. 2026

Word History

Etymology

auto- + antibody

First Known Use

1905, in the meaning defined above

Rhymes for autoantibody

• passamaquoddy
• afterbody
• antibody
• busybody
• everybody
• bawdy
• body
• gaudy
• khadi
• mahdi
• noddy
• oddi

Medical Definition

autoantibody

noun

au·​to·​an·​ti·​body ˌȯt-(ˌ)ō-ˈant-i-ˌbäd-ē 

plural autoantibodies

: an antibody active against a tissue constituent of the individual producing it