FITC-Dextran (MW 150000) 是一种异硫氰酸荧光素 (FITC) 葡聚糖荧光探针 (Ex=495 nm; Em=525 nm)。FITC-Dextran (MW 150000) 可作为一种标记物来揭示热休克引起的细胞损伤，并研究细胞凋亡的早期和晚期阶段。FITC-Dextran (MW 150000) 还可用于细胞渗透性的研究，如血脑屏障通透性以及血脑屏障破坏程度的测定。

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.

Solid

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. 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).

Room temperature in continental US; may vary elsewhere.

Powder -20°C 3 years；4°C 2 years

[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.