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Systemic lupus erythematosus

Is X chromosome inactivation a cause or effect of SLE?

Autoimmune diseases such as systemic lupus erythematosus preferentially affect women, and multiple hypotheses are under investigation to elucidate this phenomenon. Emerging research suggests that multiple pathophysiological mechanisms and pathways are likely involved, including several that involve the X chromosome, but is skewing of X chromosome inactivation one of them?

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Acknowledgements

The work of the authors is supported in part by US National Institutes of Health grants GM104938, AR053483 and AI1082714, and by US Department of Veterans Affairs award BX001451.

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Correspondence to R. Hal Scofield.

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R.H.S. has received payment from Jensen Pharmaceuticals and Merck Pharmaceuticals for services performed as a member of advisory boards related to Sjögren’s disease, and holds grants from the US National Institutes of Health, the US Department of Veterans Affairs and the Sjögren’s Foundation. V.M.L. declares no competing interests.

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Scofield, R.H., Lewis, V.M. Is X chromosome inactivation a cause or effect of SLE?. Nat Rev Rheumatol 20, 599–600 (2024). https://doi.org/10.1038/s41584-024-01159-9

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