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3 protocols using adenine ad

1

Hyperuricemia Intervention Protocol

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The following materials and reagents were used in this study: geniposidic acid, verbascoside, typhaneoside, isorhamnetin-3-o-neohesperidoside, β-ecdysterone and chlorogenic acid chemical composition standard (all purity >95%) were obtained from Yuanye Biotechnology Co., Ltd. (Shanghai, China). Ethambutol (Ethb) (Jinhua, Chengdu, China). Adenine (AD) (Sigma-Aldrich, USA). Allopurinol (Allo) (Shimao Tianjie, Yancheng, China). UA, SCr, BUN test kits (Dibao Medical Supplies, Guangzhou, China). Urate staining solution (Gomori), hematoxylin eosin (HE) (Solarbio, Beijing, China). Interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), interleukin-18 (IL-18) Enzyme-linked immunosorbent assay (ELISA) kits (R&D Systems, USA). The following primary antibodies were used for immunoblotting: anti-ABCG2 (Cat No. 4477s, 1:1,000, Cell Signaling Technology, USA), anti-NLRP3 (Cat No. ab263899, 1:1,000, Abcam, UK) and anti-GAPDH (Cat No. sc-365062, 1:1,500, Santa Cruz Biotechnology, USA).
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2

Mechanisms of Pterostilbene's Anti-Inflammatory Effects

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The uricase inhibitor PO, adenine (AD), and XOD inhibitor allopurinol (AP, urate lowering agent) were purchased from Sigma (St. Louis, MO, United States). TGF-β was obtained from R&D Systems, Inc. (Minneapolis, MN, United States). The NLRP3 inhibitor MCC950, UA assay kit and XOD fluorometric assay kit were purchased from Cayman Chemical Company (Michigan, United States). Pterostilbene (96% purity) was a gift from Sabinsa Corporation (East Winsor, NJ, United States). Primary antibodies against E-Cadherin, fibronectin, α-SMA, and Vimentin were purchased from Genetec Inc. (Montreal, QC, Canada). Antibodies against NLRP3, ASC, caspase-1, IL-1β, AMPK, phosphor-AMPK, mTOR, phosphor-mTOR, p62, LC3-II, and GAPDH were purchased from Cell Signaling (Beverly, MA, United States). The horseradish peroxidase (HRP)-conjugated anti-mouse and anti-rabbit secondary antibodies were obtained from Jackson ImmunoResearch (West Grove, PA, United States).
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3

Quantitative Analysis of Purine and Pyrimidine Bases

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Purine (uric acid-UA, hypoxanthine-HY, xanthine-XA, adenine-AD, guanine-GUA, and guanosine-GU) and pyrimidine bases (cytosine-CS, uracil-UR, cytidine-CD, and tymine-TM) were all of 99% purity (except GU 98%) and purchased from Sigma-Aldrich, Germany. For the preparation of buffers and mobile phases 99.5-100.5% KH 2 PO 4 (Merck, Germany) and 98% K 2 HPO 4 (Kemika, Croatia), 99% acetic acid and sodium acetate (Sigma-Aldrich, Germany), HPLC grade methanol (MeOH, J.T. Baker, Holland), 27% NH 3 (Sigma-Aldrich, Germany), 99% NaOH (Merck, Germany), 37% hydrochloric acid and 84% phosphoric acid (Riedel-De Häen, Germany) were used. Calibration of glass electrode (6.0234.100, pH 0-14, Metrohm, Switzerland) was performed with standard aqueous buffer solutions (Kemika, Croatia) and Milli-Q purified water (resistivity >18 MΩcm) was used for the preparation of working standards and solutions throughout the work.
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