What Is an Actin Antibody?
Actin is a globular protein found in all higher organisms. It makes up a significant part of the cytoskeleton — or backbone of the cell — and is involved in cell movement. Antibodies are responses of the immune system to an antigen, which is generally a foreign object. Each individual organism can have millions of antibodies that react against different antigens. In some cases, such as autoimmune diseases, the organism makes antibodies against its own cellular components.
