Abstract
Here, we describe an adult female with severe fasciitis and skin necrosis who carried a private, predicted deleterious missense mutation in OTULIN in heterozygosity. OTULIN is a cellular regulator of deubiquitination that has been shown to play a key role in intrinsic immunity against staphylococcal α-toxin. The patient was treated with broad-spectrum antibiotics, and multiple surgical explorations were conducted without clinical response. Since autoinflammation was the predominant clinical feature, TNF inhibition was started with a good clinical response. We show that excessive inflammation in OTULIN haploinsufficiency can be effectively treated by TNF inhibition.
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Additional data generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
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All authors contributed to the study conception and design. All authors took part in the clinical care and diagnosis and treatment of the patient, except for T.J.v.d.L. and A.N.S. who did the functional analysis and measurement of α-toxin antibodies. The first draft of the manuscript was written by R.J.W.A., and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Arts, R.J.W., van der Linden, T.J., van der Made, C.I. et al. OTULIN Haploinsufficiency-Related Fasciitis and Skin Necrosis Treated by TNF Inhibition. J Clin Immunol 44, 10 (2024). https://doi.org/10.1007/s10875-023-01630-4
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DOI: https://doi.org/10.1007/s10875-023-01630-4