Understanding immune cells in autoimmune disease

Researchers want to better understand autoimmune diseases—conditions where your immune system mistakenly attacks your own body—by studying specific immune cells in your blood. This study will collect blood samples from up to 200 people diagnosed with lupus, scleroderma, vasculitis, antiphospholipid syndrome, or primary immune deficiencies. By examining these samples closely, scientists hope to identify which immune cells are causing disease and why some current treatments work better than others.

Current treatments that reduce B cells (a type of immune cell) sometimes help autoimmune patients, but not always, and doctors don't fully understand why. This research aims to identify the specific 'bad' immune cells responsible for disease so that future treatments can target them more precisely, potentially offering better results with fewer side effects.