Bioactivity | FITC-Dextran (MW 150000) is a fluorescent probe for fluorescein isothiocyanate (FITC) dextran (Ex=495 nm; Em=525 nm). FITC-Dextran (MW 150000) can be used as a marker to reveal heat shock-induced cell damage and to study the early and late stages of apoptosis. FITC-Dextran FITC-Dextran (MW 150000) can also be used for cell permeability studies, such as blood-brain barrier permeability and determination of the extent of blood-brain barrier disruption[1][2][3][4]. | ||||||||||||
Invitro | Guidelines (Following is our recommended protocol. This protocol only provides a guideline, and should be modified according to your specific needs).Labeling of cells (HeLa cells for example)[1]:1. Suspend the cells in 100 µL of medium, and mix in Q-prep tubes with 10 μL of propidium iodide (PI), 10 μL of FITC-Dextran (the final concentration of PI and FITC-Dextran is 7.5 µM and 1.13 µM, respectively).2. Incubate cells for 25 min at room temperature in the dark.3. Take the labeled cells with 3 mL of medium and centrifuge for 10 min at 500 g.4. Take centrifuged cells with 1 mL of medium and use flow cytometry or fluorescence microscopy analyze (PI: Ex=500 nm, Em=600 nm; FITC-Dextran: Ex=495 nm, Em=525 nm). | ||||||||||||
Name | FITC-Dextran (MW 150000) | ||||||||||||
CAS | 60842-46-8 | ||||||||||||
Molar Mass | 150000(Average) | ||||||||||||
Appearance | Solid | ||||||||||||
Transport | Room temperature in continental US; may vary elsewhere. | ||||||||||||
Storage |
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Reference | [1]. Moumaris M, et al. Fluorescein isothiocyanate-dextran can track apoptosis and necrosis induced by heat shock of peripheral blood mononuclear cells and HeLa cells[J]. Open Biological Sciences Journal, 2015, 1(1). [2]. Natarajan R, et al. Fluorescein Isothiocyanate (FITC)-Dextran Extravasation as a Measure of Blood-Brain Barrier Permeability. Curr Protoc Neurosci. 2017 Apr 10;79:9.58.1-9.58.15. [3]. Eriksson I, et al. Analysis of Lysosomal pH by Flow Cytometry Using FITC-Dextran Loaded Cells. Methods Mol Biol. 2017;1594:179-189. [4]. Hoffmann a, et, al. High and Low Molecular Weight Fluorescein Isothiocyanate (FITC)-Dextrans to Assess Blood-Brain Barrier Disruption: Technical Considerations. Transl Stroke Res. 2011 Mar;2(1):106-11. |