Skin Bacteria May Trigger Lupus: Mouse Study

Staphylococcus aureus appears to be the culprit.

Written byNatalia Mesa, PhD
| 3 min read
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In individuals with lupus, the immune system turns against the body. The disease mainly affects women who, sometimes in their teens and twenties, begin to suffer from fever, renal failure, hair loss, seizures, and joint pain. Seventy percent of lupus patients have systemic lupus erythematosus (SLE), which affects the whole body, including the organs and skin, and can be fatal if left untreated.

Some people may be more susceptible to lupus based on their genetics, but what ultimately triggers the disease is unknown. New work published today (October 28) in Science Immunology offers one possible answer, finding that skin microbes can induce full-blown, systemic lupus in mice.

“The paper is really beautiful. It’s very well done and very well controlled,” says Michelle Kahlenberg, a rheumatologist and researcher at the University of Michigan who was not involved in the work.

Gut microbes likely also play a role in disease progression, with ...

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    As she was completing her graduate thesis on the neuroscience of vision, Natalia found that she loved to talk to other people about how science impacts them. This passion led Natalia to take up writing and science communication, and she has contributed to outlets including Scientific American and the Broad Institute. Natalia completed her PhD in neuroscience at the University of Washington and graduated from Cornell University with a bachelor’s degree in biological sciences. She was previously an intern at The Scientist, and currently freelances from her home in Seattle. 

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