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Fluorescein isothiocyanate fitc dextran 40 kda

Manufactured by Merck Group
Sourced in United States

Fluorescein isothiocyanate (FITC)-dextran (40 kDa) is a fluorescent labeling agent. It consists of the fluorescent dye FITC covalently linked to the polysaccharide dextran, with a molecular weight of 40 kilodaltons. This compound can be used to label and track molecules, cells, or other biological structures.

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3 protocols using fluorescein isothiocyanate fitc dextran 40 kda

1

Amantadine HCl Cytotoxicity Assay

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Dulbecco’s modified Eagle's medium (DMEM), penicillin and streptomycin were obtained from Corning Cellgro (Manassas, VA, USA). Fetal bovine serum (FBS) was obtained from Gibco-BRL (Life Technologies, Grand Island, NY, USA). Amantadine HCl (A1260; Molecular Weight: 187.7), 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT), PI, Triton X-100, ribonuclease A (RNase A), DTX, normal melting point agarose, low melting point agarose and fluorescein isothiocyanate (FITC)-dextran (40 kDa) were obtained from Sigma (St. Louis, MO, USA). Caspase-Glo 3/7 assay kit was purchased from Promega (Madison, WI, USA). Alexa Fluor 488 Annexin V/Dead Cell Apoptosis kit and Click-iT EdU Alexa Fluor 488 flow cytometry assay kit were purchased from Thermo Fisher Scientific (Waltham, MA, USA). CFSE cell-division tracker kit was obtained from BioLegend (San Diego, CA, USA).
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2

Quantification of Biomarkers in Mouse Plasma

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Commercially available RE was purchased from Vitiva (Markovci, Slovenia). CA and CL were purchased from Cayman Chemicals (Ann Arbor, MI, USA). Acetonitrile and formic acid were purchased from Thermo Fisher Scientific (Waltham, MA, USA). Butyl paraben was purchased from Acros Organics (Fair Lawn, NJ, USA). Mouse plasma was purchased from Innovative Research Inc. (Novi, MI, USA). Dextran sodium sulfate was purchased from Alfa Aesar (Haverhill, MA, USA). RNAlater was purchased from Thermo Fisher Scientific (Waltham, MA, USA). Fluorescein isothiocyanate (FITC)–dextran (40 kDa) was purchased from Sigma-Aldrich (St. Louis, MO, USA). Sestrin 2, zonula occludens-1 (ZO-1), and glyceraldehyde-3-phosphate dehydrogenase (GAPDH) rabbit polyclonal primary antibodies were purchased from Proteintech (Rosemont, IL, USA). Horseradish peroxidase (HRP)-linked anti-rabbit secondary antibodies were purchased from Cell Signaling Technology (Danvers, MA, USA).
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3

Transwell Permeability Assay

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The RMEC and EA hy926 ECl monolayers were plated onto the insert of the transwell (Costar Transwell; Corning, New York, NY) and cultured until confluent. Then, cells were cultured in the presence of a vehicle or the STAT inhibitor S3I-201 for 72 h. At the end of the experiments, 0.5 mg/ml fluorescein isothiocyanate (FITC)-dextran 40 kDa (Sigma-Aldrich, St Louis, MO) was added to the upper chamber of the transwell. After 90 min, the samples were removed from the bottom compartment, and fluorescence was quantified (excitation 485 nm, emission 520 nm).
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