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DAF-2 DA

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Polarization of hMDMs induces changes in gene expression and cell surface marker expression. M2 hMDMs had significantly lower intracellular nitric oxide in comparison with M0 hMDMs, paralleling gene expression changes. Intracellular NO production was measured using the NO reactive dye DAF-2 DA. Source: <b>Expanded characterization of <em>in vitro</em> polarized M0, M1, and M2 human monocyte-derived macrophages: Bioenergetic and secreted mediator profiles</b> by Hickman <em>et.al.</em>, <em>Bioenergetic and secreted mediator profiles</em>. PLoS ONE 18(3): e0279037. March 2023.
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Physical properties
Molecular weight446.42
SolventDMSO
Storage, safety and handling
H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageFreeze (< -15 °C); Minimize light exposure
UNSPSC12171501

OverviewpdfSDSpdfProtocol


CAS
205391-02-2
Molecular weight
446.42
DAF-2 diacetate is a more cell-permeable version of DAF-2, a sensitive fluorescent indicator for the detection and bioimaging of nitric oxide (NO). Upon entry into cells, DAF-2 diacetate is hydrolyzed to the less cell-permeable DAF-2 by cellular esterases, thus preventing loss of signal due to leakage of DAF-2 diacetate from cells. In the presence of oxygen, DAF-2 reacts with NO to yield the highly fluorescent triazolofluorescein. The intracellular fluorescence (generated by DAF-2 diacetate) can be readily monitored using the standard FITC filter set. DAF-2 diacetate can be utilized in cells which produce small amounts of NO, such as endothelial cells, as well as in cells which generate large amounts of NO, such as macrophages.

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Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of DAF-2 DA to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.

0.1 mg0.5 mg1 mg5 mg10 mg
1 mM224.004 µL1.12 mL2.24 mL11.2 mL22.4 mL
5 mM44.801 µL224.004 µL448.009 µL2.24 mL4.48 mL
10 mM22.4 µL112.002 µL224.004 µL1.12 mL2.24 mL

Molarity calculator

Enter any two values (mass, volume, concentration) to calculate the third.

Mass (Calculate)Molecular weightVolume (Calculate)Concentration (Calculate)Moles
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Citations


View all 1 citations: Citation Explorer
Expanded characterization of in vitro polarized M0, M1, and M2 human monocyte-derived macrophages: Bioenergetic and secreted mediator profiles
Authors: Hickman, Elise and Smyth, Timothy and Cobos-Uribe, Catalina and Immormino, Robert and Rebuli, Meghan E and Moran, Timothy and Alexis, Neil E and Jaspers, Ilona
Journal: Plos one (2023): e0279037

References


View all 50 references: Citation Explorer
Involvement of nitrate reductase-dependent nitric oxide production in magnetopriming-induced salt tolerance in soybean.
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Journal: Physiologia plantarum (2020): 422-436
Does Melatonin Exert Its Effect on Ram Sperm Capacitation Through Nitric Oxide Synthase Regulation?
Authors: Miguel-Jiménez, Sara and Carvajal-Serna, Melissa and Calvo, Silvia and Casao, Adriana and Cebrián-Pérez, José Álvaro and Muiño-Blanco, Teresa and Pérez-Pe, Rosaura
Journal: International journal of molecular sciences (2020)
Curcumin prevents strokes in stroke-prone spontaneously hypertensive rats by improving vascular endothelial function.
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Journal: Animal reproduction science (2018): 176-184
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