ArticleNature communications2026
Antioxidant malic-acid-derived lipid nanoparticles delivering secretory uricase circRNA for hyperuricemia and complication management in mice.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Hyperuricemia and its complications, including gouty arthritis and hyperuricemic nephropathy, are driven by elevated serum urate levels and crystal deposition. While exogenous uricase offers therapeutic potential, its utility is limited by rapid clearance and immunogenicity. Here we show a malic acid-derived lipid nanoparticle platform with antioxidant and low-immunogenicity properties for delivering circular RNA encoding secretory uricase to treat hyperuricemia and its complications. Leveraging the safety and anti-inflammatory and antioxidant properties of malic acid, a combinatorial library of ionizable lipids is developed. After systematic screening and optimization, LMA2-C10 LNPs are selected to deliver circRNA for its high transfection efficiency, low-immunogenicity, and antioxidant activity. In male animal models, the system achieves sustained urate reduction, attenuation of tissue inflammation and fibrosis, alleviation of arthritic pain, and preservation of renal function. This integrated strategy simultaneously addresses hepatic urate catabolism, peripheral crystal clearance, and long-lasting pharmacological activity, presenting an alternative strategy to resolve the core challenges in hyperuricemia management.
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