Immunoglobulin A
Girl presents with rapidly spreading rash, abdominal pain and fever
During the winter holidays, a 12-year-old girl was seen in her primary care clinic with fever, fatigue, cough and sore throat. At that time, she was thought to likely have strep throat, but her rapid strep test was negative.
Researchers discover possible mechanism for poor oxygenation in severe COVID-19
Researchers observed immunoglobulin A autoantibodies that target lung surfactant proteins B and C in patients with severe COVID-19, according to study results published in American Journal of Respiratory Medicine and Critical Care.
Farm life linked to more protection against allergies in breastfed infants
Milk from Old Order Mennonite mothers contained higher levels of antibodies against allergens compared with that of mothers in urban and suburban Rochester, New York, according to a cross-sectional study in Frontiers in Immunology.
Smoking linked to renal involvement in immunoglobulin A vasculitis
Among patients with immunoglobulin A vasculitis, smoking is associated with renal involvement, while generalized purpura and pretreatment neutrophil-to-lymphocyte ratio predict both gastrointestinal and renal symptoms, according to findings published in Arthritis Research & Therapy.