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5 protocols using pcb118

1

Islet β-TC-6 Cells Inflammatory Response

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Mouse islet β-TC-6 cells were purchased from TONGPAI (Shanghai) Biotechnology Co. Ltd. PCB118 was purchased from AccuStandard Inc. (New Haven, CT, USA). Cell Counting Kit-8 (CCK8), ROS detection kit, and DMSO were purchased from Beyotime Institute of Biotechnology (Shanghai, China). Specific antibodies against NLRP3, caspase-1, and fetal bovine serum were purchased from Cell Signaling Technology (CST, Boston, MA, USA). Anti-caspase-1 antibody (EPR4321) and anti-IL-1 β antibody were purchased from Abcam (USA). GAPDH polyclonal antibody was purchased from BioWorld (USA). ELISA kits for IL-6, IL-18, and CCL-2 were purchased from Cheng Lin Biological (Beijing, China).
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2

Quantification of PCB118 and PCB153

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PCB118 and PCB153 were purchased from AccuStandard Inc. (New Haven, USA).
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3

Investigating Chlorinated Biphenyl Toxicity

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3,3’,4,4’,5-pentachlorobiphenyl (PCB 126), 2,3’,4,4’,5-pentachlorobiphenyl (PCB 118), and 2,2’,4,4’,5,5’-hexachlorobiphenyl (PCB 153) were purchased from AccuStandard Inc. (New Haven, CT, USA). Phorbol 12-myristate 13-acetate (PMA), dimethyl sulfoxide (DMSO), lipopolysaccharide (LPS), BMS-345541 (NF-κB antagonist) were purchased from Sigma (St. Louis, MO, USA). Recombinant human interferonγ (IFN-γ) was purchased from PeproTech (Rocky Hill, NJ, USA). CH-223191(AhR antagonist) was purchased from BioVision (Milpitas, CA, USA)
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4

FRTL-5 Cell Culture Protocol

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FRTL-5 cells were kindly provided by Dr. Zheng Xuqin (Department of Endocrinology, First Affiliated Hospital of Nanjing Medical University) [28 (link)], who was kindly gifted these cells by Professor Michael Derwahl (Department of Medicine, St. Hedwig Hospital) [29 (link)]. Coon’s modified Ham’s F-12 medium, transferrin, bovine insulin, hydrocortisone, somatostatin, glycyl-L-histidyl-L-lysine acetate, and bovine TSH were purchased from Sigma-Aldrich (USA). Newborn calf serum was purchased from Gibco (USA). Penicillin and streptomycin were purchased from HyClone (USA). PCB118 (purity: 100%, analyzed using GC/MS) was purchased from AccuStandard (USA) and was dissolved initially in 612 μL dimethyl sulfoxide (DMSO) and maintained as a 25 mM stock solution in the dark. When needed, this solution was diluted to the required concentration with culture media. The final concentration of DMSO in culture medium was maintained below 0.1%.
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5

Quantifying Oxidative Stress Biomarkers

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The PCB118 was purchased from AccuStandard, Inc (New Haven, Connecticut). The 2′,7′-dichlorofluorescein diacetate (DCFH-DA), 3-(4,5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT), and dimethyl sulfoxide (DMSO) were purchased from Sigma Chemical Corp (St Louis, Missouri). The Dulbecco’s modified Eagle’s medium (DMEM) and Fetal Bovine Serum (FBS) were obtained from Gibco and Life Technologies (Grand Island, New York). The kits for the detection of glutathione peroxidase (GSH-Px) activity, MDA content, and SOD activity were purchased from Nanjing Jiancheng Biological Corp (New Jersey). All reagents used were of analytical grade. The PCB118 stock solution (20 µg/mL) was prepared in DMSO and further diluted to working concentrations. The concentration of DMSO in the culture medium was lower than 0.2% (vol/vol).
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