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5 protocols using berberine hydrochloride

1

Synthesis of Metal-Organic Framework

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Zirconium chloride (ZrCl4), 2-amino-1,4-benzenedicarboxylic acid (NH2–H2BDC), and PAD were purchased from McLean Reagent (Shanghai, China). Berberine hydrochloride was obtained from Shanghai Yuanye Bio-Technology Co., Ltd. All chemicals were analytical grade or better, and the water used in all experiments was ultra-pure water.
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2

Authenticated Herbal Compounds for In Vivo Study

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Coptidis Rhizoma (Coptis chinensis Franch.) and Glycyrrhizae Radix et Rhizoma (Glycyrrhiza uralensis Fisch.) were purchased from the Shanghai Kang Qiao Herbal Pieces Co., Ltd. (Shanghai, China), a GMP-certificated manufacturer without any affiliation to the authors. The herbs were authenticated by Prof. Zhi-Li Zhao of the Department of Botany, Shanghai University of Traditional Chinese Medicine, according to The Pharmacopoeia of People’s Republic of China (2015 edition). Berberine hydrochloride and carbamazepine with purities >98% (used as standards) were obtained from the National Institute for the Control of Pharmaceutical and Biological Products (Beijing, China). Berberine hydrochloride with a purity >95% (used for oral administration in mice) was purchased from the Shanghai Yuan-Ye Biotechnology Co., Ltd. (Shanghai, China). Acetonitrile was purchased from Merck (Darmstadt, Germany). Ultra-pure water used in the current study was prepared using a Milli-Q purification system (Millipore Corporation, Billerica, MA, USA). All other materials were of analytical grade or higher.
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3

Exploring miRNA-Driven Molecular Mechanisms

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All-in-One™ miRNA first-strand cDNA synthesis kit, All-in-One™ miRNA qPCR detection kit and all quantitative (q)PCR primers were purchased from GeneCopoeia, Inc. Primerscript™ RT reagent kit with gDNA eraser and SYBR premix Ex Taq II were obtained from Takara Biotechnology Co., Ltd. 3-(4,5-Dimethylthiazol-2-yl)-2,5- diphenyltetrazolium bromide (MTT) was purchased from Beyotime Institute of Biotechnology. The cell culture media, including RPMI-1640 medium and DMEM, were obtained from Corning Inc. Fetal bovine serum (FBS) was purchased from Clark Bioscience. All primary antibodies, including those against E-cadherin (3195), β-catenin (8480), vimentin (5741), Twist1 (46702) and GAPDH (5174) were purchased from Cell Signaling Technology, Inc. The secondary antibody used was horseradish peroxidase-labeled goat anti-rabbit IgG (H+L; A0208) obtained from Beyotime Institute of Biotechnology. Berberine hydrochloride was purchased from Shanghai YuanYe Biotechnology Co., Ltd. Metformin and rapamycin were purchased from Selleck Chemicals. Propranolol was obtained from Sigma-Aldrich (Merck KGaA), LY294002 was ordered from Beyotime Institute of Biotechnology, and TOFA was purchased from Santa Cruz Biotechnology, Inc.
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4

Analytical Characterization of Berberine

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The reference standard (purity, > 98%) of berberine hydrochloride was purchased from the National Institute for the Control of Pharmaceutical and Biological Products (Beijing, China). berberine hydrochloride (purity, > 95%) used for in vivo pharmacokinetic studies in mice was purchased from the Shanghai Yuan-Ye Biotechnology Co. Ltd. (Shanghai, China). The organic reagent acetonitrile was obtained from Merck (Darmstadt, Germany). All other materials were of analytical grade or higher.
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5

Evaluation of Antifungal Compounds

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Berberine hydrochloride (HPLC > 98 %, Lot Number: 20130306) and palmatine hydrochloride (HPLC > 98 %, Lot Number: 20130109) were purchased from Yuan Ye Biological Technology Co., Ltd, (Shanghai, China). Clotrimazole (99 % pure, Lot No. 23593-75-1) was purchased from BaDaTong Medical Company (TaiZhou, Zhejiang Province, China).
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