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GlossaryImmunoglobulin A

antibody protecting mucous membranes from pathogens

Immunoglobulin A (IgA) is a type of antibody that plays a crucial role in the immune function of mucous membranes. It is found in high concentrations in areas such as the respiratory and gastrointestinal tracts, as well as in saliva, tears, and breast milk, where it helps to neutralize pathogens and prevent infections.

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research Linear Immunoglobulin A/Immunoglobulin G Bullous Dermatosis Associated with Vogt-Koyanagi-Harada Disease

11 citations , May 2011 in “The Journal of Dermatology”

A man had two rare autoimmune diseases that might be connected.

research A Rare Case of Constrictive Pericarditis with Co-Existing Positive COVID-19: Probable Autoimmune or Immunoglobulin Related Disease

April 2021 in “Rheumatology”

An 80-year-old man with COVID-19 also had constrictive pericarditis, possibly due to an autoimmune or immunoglobulin related disease, and improved after surgery.

research Kawasaki Disease: An Update

17 citations , January 2001 in “Clinical and Experimental Dermatology”

Early treatment with immunoglobulin and aspirin reduces heart complications in children with Kawasaki disease.

research Failure of Passive Transfer of Serum From Patients With Alopecia Areata and Alopecia Universalis to Inhibit Hair Growth in Transplants of Human Scalp Skin Grafted Onto Nude Mice

60 citations , February 1992 in “British Journal of Dermatology”

Serum from alopecia patients does not stop hair growth in grafted skin on mice.

research Involvement of Mast Cells and CB1 in the Pathogenesis of IgA Vasculitis

April 2023 in “Journal of Investigative Dermatology”

Mast cells and the CB1 receptor may be key in causing IgA vasculitis.

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