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11 protocols using rosiglitazone rosi

1

Adipocyte Differentiation Assay

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DMSO was purchased from American Bioanalytical (Natick, MA). Rosiglitazone (Rosi) was from Cayman Chemical (Ann Arbor, MI). Human insulin, dexamethasone, 3-isobutyl-1-methylxanthine (IBMX), LG100268 (LG268), and tributyltin (TBT) chloride were from Sigma-Aldrich (St. Louis, MO). All other reagents were from Thermo Fisher Scientific (Suwanee, GA) unless noted.
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2

Activation of PPARγ in HT-29 Cells

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The human epithelial cell lines HT-29 were obtained from the American Type Culture Collection (ATCC, Rockville, MD), HT-29 cells were grown in RPMI 1640 supplemented with 2 mM L-glutamine, 50 IU/mL penicillin, 50 μg/mL streptomycin and 10% heat-inactivated fetal calf serum (FCS) in a humidified 5% CO2 atmosphere at 37 °C. All culture media were supplied by Lonza. All agonists and inhibitors were dissolved in DMSO following the manufacturer’s recommendations. PPARγ activator TDZs: pioglitazone (Pio, 5 μM), rosiglitazone (Rosi, 10 μM), troglitazone (Tro, 5 μM) were from Cayman Chemicals and were used interchangeably due to their same level of activation on the used reporter system. MAPK kinase inhibitor: U0126 (MEK1/2) was purchased from Calbiochem. Butyrate was used at 2 mM except in the dose-response experiment where a range of concentrations from 0.5 to 8 mM was assessed for all the compounds tested (acetate, Butyrate, propionate, formate, lactate and succinate (Sigma).
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3

Silencing POM121A/C in Cell Culture

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Chemicals were obtained from Merck (Darmstadt, Germany) if not stated otherwise. Antibodies (Abs) are listed in Table S1. Rosiglitazone (rosi) was purchased from Cayman (Ann Arbor, MI). Control siRNA and siRNA against human POM121A/C transcripts were from Ambion Silencer® Select (s59624) (Thermofisher Scientific, Waltham, MA).
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4

Murine Model of Inflammatory Response

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Pathogen-free male C57BL/6 mice that are 8–12 weeks old are obtained from Model Animal Research Center of Nanjing University (Nanjing, China), and all animal experiments are performed according to the protocol approved by Southeast University. RAW264.7 cells and HEK293 cells are purchased from American Type Culture Collection and cultured in DMEM supplemented with 10% fetal bovine serum (Gibico). Bovine serum albumin (BSA) and rabbit anti-BSA IgG (α-BSA) are purchased from Invitrogen and MP Biomedicals, respectively. ELISA kit for mouse albumin is purchased from Bethyl Laboratories. ELISA kits for TNF-α, MCP-1, MIP-1α and MIP-2 are purchased from R&D Systems. PPARγ antagonist GW9662, PPARγ agonist Rosiglitazone (ROSI) and puromycin are purchased from Cayman Chemical.
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5

Rosi Regulates miR-21-5p and SFRP5

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Rosiglitazone (Rosi) was purchased from Cayman Chemical Company. miR-21-5p mimic, inhibitor and negative control (NC) were synthesized by Shanghai GenePharma Co., Ltd. Superoxide dismutase (SOD) assay kit, methane dicarboxylic aldehyde (MDA) assay kit, glutathione peroxidase (GSH) assay kit and oxidized glutathione (GSSG) assay kit were purchased from Beijing Solarbio Science & Technology Co., Ltd. miRNA Detection kit was purchased from GeneCopoeia, Inc. ChIP kit was from Merck KGaA. Dual-luciferase reporter assay system was from Promega Corporation. Human miR-21-5p promoter region or mutations in PPARγ binding sites were synthesized by Sangon Biotech Co., Ltd. The 3′-UTR of SFRP5 mRNA or mutant binding site was synthesized by Sangon Biotech Co., Ltd.
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6

Evaluating PFAS Exposure Effects

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All ten PFAS evaluated (PFBS, PFHxS, PFOS, PFBA, PFHxA, PFHA, PFOA, PFNA, PFDA, and HFPO-DA) are described in Table 1 and were purchased from AccuStandard Inc. (New Haven, CT, USA) and dissolved in dimethyl sulfoxide (DMSO; Sigma Aldrich, St. Louis, MO), rosiglitazone (ROSI; Cayman, Ann Arbor, Michigan) and 3-Isobutyl-1-methylxanthine (IBMX; Sigma Aldrich, St. Louis, MO) were prepared in DMSO. Dexamethasone and insulin solutions were purchased from Sigma Aldrich (St. Louis, MO). All chemicals and solvents were obtained from Sigma Aldrich (St. Louis, MO) or Thermo Fisher Scientific (Waltham, MA) unless specified otherwise.
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7

Colon Cancer Cell Line PPAR-γ Agonist Assay

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The colon adenocarcinoma cell lines HT29 (ATCC HTB-38) and SW480 (ATCC CCL-228) were obtained directly from the American Tissue Culture Collection (Rockville, MD) and routinely cultivated under standard tissue culture conditions (humidified atmosphere of 95% air +5% CO2 at 37°C) using minimal essential medium (MEM) containing 10% fetal bovine serum, 100 U/ml penicillin, and 100 mg/ml streptomycin (PAA, Pasching, Austria). For experiments, the medium was replaced with serum-free MEM containing either vehicle control (DMSO) or indicated concentrations of the PPAR-γ agonists Ciglitazone (CIG), Troglitazone (TRO), and Rosiglitazone (ROSI) or the PPAR-γ antagonist GW9662 (all from Cayman Chemical, Ann Arbor, MI). The natural PPAR-γ agonists Prostaglandin J2 (PGJ2) was purchased from Sigma (St. Louis, MO) and used as a positive control. All cell culture experiments were performed independently three times from different passages.
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8

Signaling Pathway Profiling of Cell Lines

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Chemicals were purchased from Merck (Darmstadt, Germany) or Sigma (Heidelberg, Germany). Antibodies were MTMR7 (#121222, Abcam, Cambridge, UK), phospho-AKT-S473 (#4060), phospho-AKT-T308 (#13038), AKT (#9272), phospho-S6 ribosomal protein (#4858), S6 ribosomal protein (#2217), phospho-ERK1/2 (#4370) (all from Cell Signaling, Danvers, MA), ERK2 (sc-154), HSP90 (sc-7947) (both from Santa Cruz Biotech., CA) and beta-actin (A1978, Sigma). Rosiglitazone (rosi) was obtained from Cayman Chemical Company (Ann Arbor, Michigan). 12-O-tetradecanoylphorbol-13-acetate (TPA) and human recombinant IGF1/2 were from Sigma, insulin and EGF from Roche Diagnostics GmbH, Mannheim, Germany.
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9

Screening Compounds for Nuclear Receptor Modulators

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Dexamethasone, isobutylmethylxanthine, Nile red, Hoechst 33342, HX531, LG100268 (LG), 2,4-di-tert-butylphenol (2,4-DTBP), 2,6-di-tert-butylphenol (2,6-DTBP), 2,4,6-tri-tert-butylphenol (2,4,6-TTBP), 1,3-di-tert-butylbenzene (1,3-DTBB), 1,3,5-tri-tert-butylbenzene (1,3,5-TTBB), LG100268, GW3065, T3, and TTNPB were purchased from Sigma-Aldrich. CD3254 was purchased from Tocris Bioscience. Rosiglitazone (ROSI) was purchased from Cayman Chemical Company. T0070907 was from Enzo Life Sciences. Dimethylsulfoxide (DMSO) was purchased from Thermo Fisher Scientific.
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10

In Vitro Chemical Bioassay Protocol

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Rosiglitazone (Rosi) was from Cayman Chemical (Ann Arbor, MI). Dimethyl sulfoxide (DMSO) was from American Bioanalytical (Natick, MA). Insulin, Nile Red, p-nitrophenyl phosphate (pNPP) reagent, LG100268 (LG268), LG100754, tributyltin chloride (TBT), and triphenyl phosphate (TPhP) were from Sigma-Aldrich (St. Louis, MO). Test chemicals (Table 1) also were from Sigma-Aldrich, provided via the National Toxicology Program or ordered directly. LG100754 was from (Bio-techne Corp., Minneapolis, MN). All other reagents were from Thermo Fisher Scientific (Suwanee, GA) unless noted.
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