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5 protocols using chrysin

1

Chrysin Modulates Inflammatory Pathways

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Chrysin (>98% purity) was obtained from Yuanye (Shanghai, China). Chrysin was dissolved in dimethylsulfoxide (<1‰ DMSO) and freshly diluted in culture media for all in vitro experiments. Monoiodoacetic acid, lipopolysaccharide (LPS), type I collagenase and DMSO were all obtained from Sigma-Aldrich (Sigma, St.Louis, MO, USA). TRIzol, Dulbecco’s Modified Eagle Culture Medium (DMEM), Penicillin-Streptomycin mixture, fetal bovine serum (FBS) were purchased from Gibco (Rockville, USA). The primary antibodies for GAPDH, NLRP3, Caspase-1, Interleukin-18, Interleukin-1β and ASC were all purchased from Abcam (Cambridge, UK). Antibodies for c-Fos were purchased from Servicebio (Wuhan, China). Picro Sirius Red Stain kit and Goat anti-rabbit IgG H&L (HRP) were also supplied by Abcam (Cambridge, UK). In addition, 5×HiScript II qRt SuperMix and 2×ChamQ SYBR qPCR MsterMix (Low ROX Premixed) were obtained from Vazyme (Nanjing, China). The primers were supplied by Sangon Biotech (Shanghai, China). Caspase-1 Activity Assay Kit and Cell-Counting Kit-8 were obtained from Solarbio (Beijing, China). Enzyme-linked immunosorbent assays (ELISA) kits for Interleukin-1β and Interleukin-18 were supplied by Invitrogen (Life Technologies Corp., California, USA). ELISA kits for CGRP and SP were supplied by Jin Yibai (Nanjing, China).
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2

Flavonoid Compound Procurement Protocol

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Naringenin, eriodictyol, apigenin, luteolin, liquiritigenin, butin, sakuranetin, kaempferol, quercetin, dihydrokaempferol, dihydroquercetin, eriocitrin, pinocembrin, narirutin, naringin, chrysin, genkwanin, baicalein, scutellarein, norwogonin, wogonin, and neoeriocitrin were purchased from Shanghai Yuanye Bio-Technology Co., Ltd (Shanghai, China). Hesperidin, neoHesperidin, sinensetin, isosinensetin, and nobiletin were obtained from Sigma-Aldrich (St Louis, MO, USA). 7-O-methyleriodictyol, isosakuranetin, and 5-HPMF were purchased from BioBioPha Co., Ltd (Kunming, China).
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3

Chrysin Treatment of Gastric Cell Lines

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Human GC cell lines (SGC7901, MKN45 and BGC823) and the human gastric epithelial cell line GES-1 were grown in Dulbecco’s modified Eagle’s (DMEM; Gibco) supplemented with 10% fetal bovine serum (Gibco), and cultured at 37°C in 5% CO2. The human gastric epithelial cell GES1 served as control. Experiments were conducted by treating GES1, SGC7901, MKN45 and BGC823 cells with 40 μM of Chrysin (Yuanye Bio-Technology, Shanghai) for 48 h when they reached 80 to 90% confluence.
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4

Chrysin Cytotoxicity in Cancer Cells

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Human TSCC cell lines SCC9 and CAL27, human gastric cancer cell line BGC823, and human hepatocellular carcinoma cell line HCC-LM3 were cultured in Dulbecco’s modified Eagle medium (DMEM; Gibco) or DMEM/F12, to which was added 10% fetal bovine serum (Gibco). SCC9 and CAL27 cells were treated with 40 μM of chrysin (Yuanye Bio-Technology, Shanghai) for 48 h.
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5

Chrysin Treatment of Gastric Cell Lines

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The human gastric epithelial cell line GES-1 and human GC cell lines MKN-45 were obtained from Procell (Wuhan, China). Cells were cultured in high glucose Dulbecco’s modified Eagle’s medium (DMEM; Gibco, Thermo Fisher Scientific, Inc., Waltham, MA, USA) supplemented with 10% fetal bovine serum (FBS; Gibco) and 1% penicillin-streptomycin mixture (Invitrogen; Thermo Fisher Scientific, Inc.) at 37°C in a humidified environment containing 5% CO2. 2 × 105 cells/mL cells at 80% confluence were cultured and pre-treated with Chrysin (Yuanye Bio-Technology, Shanghai) for 48 h.
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