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Smoke and toxin chelation



Type of Spiritual Experience


Deferoxamine (also known as desferrioxamine B, desferoxamine B, DFO-B, DFOA, DFB or desferal) is a bacterial siderophore produced by the Actinobacteria Streptomyces pilosus. It has medical applications as a chelating agent used to remove excess iron from the body. The mesylate salt of DFO-B is commercially available.

Apart from iron toxicity, deferoxamine can be used to treat aluminium toxicity (an excess of aluminium in the body) in select patients. In US, the drug is not FDA-approved for this use.

Deferoxamine is also used to minimize doxorubicin's cardiotoxic side effects and in the treatment of a patient with aceruloplasminemia

A description of the experience

Toxicol Lett. 2011 Jun 24;203(3):181-9. doi: 10.1016/j.toxlet.2011.03.011. Epub 2011 Mar 21.

Effect of vitamin C and iron chelation on diesel exhaust particle and carbon black induced oxidative damage and cell adhesion molecule expression in human endothelial cells.

Frikke-Schmidt H1, Roursgaard M, Lykkesfeldt J, Loft S, Nøjgaard JK, Møller P.

Exposure to particulate matter is associated with oxidative stress and risk of cardiovascular diseases. We investigated if vitamin C and desferrioxamine (iron chelator) altered the levels of oxidative stress and expression of cell adhesion molecules upon exposure to diesel exhaust particles (DEP) and carbon black in cultured human umbilical vein endothelial cells (HUVECs).

We found that the particles were only slightly cytotoxic in the high concentration ranges. Particle-induced intracellular reactive oxygen species (ROS) production was attenuated by vitamin C administration or iron chelation and particularly when combined (p<0.001).

Only desferrioxamine protected the DNA from oxidative damage in terms of strand breaks and formamidopyrimidine DNA glycosylase sensitive sites induced by carbon black (p<0.01).

Carbon black and small sized DEP generated from an Euro4 engine increased the surface expression of VCAM-1 and ICAM-1, whereas DEP from an engine representing an old combustion type engine (SRM2975) with larger particles did not affect the expression of cell adhesion molecules.

These effects were also attenuated by desferrioxamine but not vitamin C. The study shows that exposure to carbon black and DEP in HUVECs can generate both oxidative stress and expression of cell surface adhesion molecules and that these effects can in part be attenuated by vitamin C and desferrioxamine.

Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.

PMID:  21421028

The source of the experience


Concepts, symbols and science items



Science Items

Activities and commonsteps