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First-in-human demonstration of splenic ultrasound stimulation for non-invasively controlling inflammation

Graham, R. S.; Zachs, D. P.; Cotero, V.; DAgostino, C.; Ntiloudi, D.; Kaiser, C. R.; Graf, J.; Wallace, K.; Coleman, T. R.; Ashe, J.; Pellerito, J.; Tracey, K. J.; Binstadt, B.; Chavan, S. S.; Zanos, S.; Puleo, C.; Peterson, E.; Lim, H. H.

2020-09-11 rheumatology
10.1101/2020.07.14.20153528 medRxiv
Show abstract

Hyperinflammation and uncontrolled cytokine release in infections and autoimmune diseases require therapy to reduce the innate immune response. Here, we present first in-human data showing reduction in pro-inflammatory cytokine release with ultrasound stimulation of the spleen in healthy subjects and in rheumatoid arthritis patients. Single cell RNA sequencing reveals a decrease in IL-1{beta} and IL-8 transcript levels in circulating monocytes. There is also a down regulation of pathways involved in TNF and IL-6 production, and IFN{gamma}- and NF{kappa}B-regulated genes. Additional pre-clinical studies reveal that ultrasound can boost B cell activation and antibody production. Splenic ultrasound offers a new non-invasive therapy for treating hyperinflammation without compromising the adaptive immune response.

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