Journal
BIOACTIVE MATERIALS
Volume 8, Issue -, Pages 368-380Publisher
KEAI PUBLISHING LTD
DOI: 10.1016/j.bioactmat.2021.06.003
Keywords
Tetrahedral framework DNA nanoparticle; Oxidative stress; NF-kappa B signaling pathway; Macrophage; Gouty arthritis
Funding
- National Key R&D Program of China [2019YFA0110600]
- National Natural Science Foundation of China [81970916, 81671031]
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Gouty arthritis is a common inflammatory arthritis, and controlling inflammation is crucial for prevention. Scientists have synthesized a new material called Cur-TFNAs to enhance the effectiveness and bioavailability of curcumin, a natural anti-inflammatory drug. Cur-TFNAs showed better anti-inflammatory effects in in vivo and in vitro experiments compared with free curcumin.
Gouty arthritis is a very familiar inflammatory arthritis. Controlling inflammation is the key to preventing gouty arthritis. However, colchicine, the most highly represented drug used in clinical practice, has strict contraindications owing to some severe side effects. Curcumin (Cur), a natural anti-inflammatory drug, has demonstrated good safety and efficacy. However, the rapid degradation, poor aqueous solubility, and low bioavailability of Cur limit its therapeutic effect. To strengthen the effectiveness and bioavailability of Cur. Cur loaded tetrahedral framework nucleic acids (Cur-TFNAs) were synthesized to deliver Cur. Compared with free Cur, Cur-TFNAs exhibit a preferable drug stability, good biocompatibility (CCK-8 assay), ease of uptake (immunofluorescence), and higher tissue utilization (in vivo biodistribution). Most importantly, Cur-TFNAs present better anti-inflammatory effect than free Cur both in vivo and in vitro experiments through the determination of inflammation-related cytokines expression. Therefore, we believe that Cur-TFNAs have great prospects for the prevention of gout and similar inflammatory diseases.
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