autoantibodies tagged posts

Signs of Multiple Sclerosis show up in Blood Years Before Symptoms, study finds

An illustration of antibodies attacking a cell.

In a discovery that could hasten treatment for patients with multiple sclerosis (MS), UC San Francisco scientists have discovered a harbinger in the blood of some people who later went on to develop the disease.

In about 1 in 10 cases of MS, the body begins producing a distinctive set of antibodies against its own proteins years before symptoms emerge. These autoantibodies appear to bind to both human cells and common pathogens, possibly explaining the immune attacks on the brain and spinal cord that are the hallmark of MS.

The findings were published in Nature Medicine on April 19.

MS can lead to a devastating loss of motor control, although new treatments can slow the progress of the disease and, for example, preserve a patient’s ability to walk...

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COVID-19 Can Trigger Self-Attacking Antibodies

Photo by Getty Images.
An illustration of antibodies (Y-shaped) responding to SARS-CoV-2 (orange), the novel coronavirus that causes COVID-19.

Infection with the virus that causes COVID-19 can trigger an immune response that lasts well beyond the initial infection and recovery—even among people who had mild symptoms or no symptoms at all, according to Cedars-Sinai investigators. The findings are published in the Journal of Translational Medicine.

When people are infected with a virus or other pathogen, their bodies unleash proteins called antibodies that detect foreign substances and keep them from invading cells. In some cases, however, people produce autoantibodies that can attack the body’s own organs and tissues over time.

The Cedars-Sinai investigators found that people w...

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Study links Severe COVID-19 to Increase in Self-Attacking Antibodies

An illustration of antibodies among blood cells.
SciePro/Shutterstock.com

Hospitalized COVID-19 patients are substantially more likely to harbor autoantibodies than people without COVID-19, according to a new study. Autoantibodies can be early harbingers of full-blown autoimmune disease. “If you get sick enough from COVID-19 to end up in the hospital, you may not be out of the woods even after you recover,” said PJ Utz, MD, professor of immunology and rheumatology at Stanford Medicine.

Utz shares senior authorship of the study, which will be published Sept...

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