Sep 4, 2024 · Autoantibodies are malfunctioning immune cells that damage your body instead of protecting it. They can lead to many autoimmune diseases.

Sometimes, the immune system ceases to recognize one or more of the body's normal constituents as "self", leading to production of pathological autoantibodies. Autoantibodies …

Antibodies that react with self-molecules occur in healthy individuals and are referred to as natural antibodies or autoantibodies. Natural autoantibodies are mainly IgM, are encoded by …

Jul 24, 2025 · Instead of targeting external threats, autoantibodies mistakenly identify the body’s own healthy cells, tissues, or organs as harmful. This “friendly fire” can disrupt …

autoantibody, harmful antibody that attacks components of the body called self antigens. Normally autoantibodies are routinely eliminated by the immune system’s self-regulatory …

Mar 9, 2021 · Antibodies that specifically react with self-antigens are called autoantibodies.

Learn what autoantibodies are, how they form, when they cause harm, and how doctors use them to diagnose, track, and manage autoimmune diseases.

Autoantibody testing checks a sample of your blood for autoantibodies, proteins made by the immune system. Normally, your immune system makes proteins called antibodies to attack …

Nov 3, 2022 · What are autoantibodies? More than 200 million people worldwide are living with an autoantibody disease, which occurs when the body attacks its own cells, tissues and …

Autoantibodies attack the body’s own cells, proteins, and tissues. Autoantibody testing may help diagnose and guide treatment for autoimmune diseases.