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autoantibody

American  
[aw-toh-an-ti-bod-ee, -an-tee-] / ˌɔ toʊˈæn tɪˌbɒd i, -ˈæn ti- /

noun

Immunology.

plural

autoantibodies
  1. an antibody that an organism produces against any of its own tissues, cells, or cell components.


autoantibody British  
/ ˌɔːtəʊˈæntɪˌbɒdɪ /

noun

  1. an antibody reacting with an antigen that is a part of the organism in which the antibody is formed

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

autoantibody Scientific  
/ ô′tō-ăntĭ-bŏd′ē /
  1. An antibody that reacts with the cells, tissues, or native proteins of the individual in which it is produced. Autoimmune diseases are caused by the presence of autoantibodies.


Etymology

Origin of autoantibody

First recorded in 1905–10; auto- 1 + antibody

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.

Quadros’s research has found that a specific autoantibody blocks the transport of folate from mother to fetus during pregnancy and when present after birth, the infant’s brain.

From The Wall Street Journal

Altogether, they and Barcelona colleague Francesc Graus have uncovered 11 of the 18 known varieties: a rogue’s gallery with sharply different symptoms depending on the autoantibody responsible.

From Science Magazine

Luckily, the anti-DSG3 B cells are easy to find because they have a highly distinctive marker—basically a version of the anti-DSG3 autoantibody stuck on their surfaces.

From Scientific American

These cells are the actual agents of destruction, so scientists investigating autoimmunity look for these T cell–autoantibody pairs.

From Scientific American

“We really see broadly reactive autoantibody responses in these patients,” Dr. Iwasaki said.

From New York Times