An ANA blood test (antinuclear antibody test) is usually performed on a blood sample as part of the diagnostic process for certain autoimmune diseases. It is usually ordered along with other blood ...

James Harrison, whose blood contained a rare antibody used to make lifesaving medication, is credited with saving the lives of more than 2 million babies with his nearly 1,200 donations.

anticitrulline antibody status and smoking history of 913 newly diagnosed patients with RA and 631 controls; a case–control study that analyzed “pre-RA” plasma samples from a blood bank in ...