Free radicals in cells

glover martin gwmartin at fas.harvard.edu
Tue Jan 31 11:34:13 EST 1995


rattan at kemi.aau.dk wrote:
: With respect to Mike's comment on the role of free radicals in normal
: metabolism, it could be added that a total absence of free radicals is
: lethal for the cell and the organism. One of the most potent free radical
: scavengers is potassium cyanide. And you know what happens when you take
: KCN - instant death.

I believe instant death is caused by cyanide binding (almost) 
irreversibly to heme in a mitochodrial cytochrome (aa3?), not because all 
free radicals are scavenged.

: Irresponsible scavenging of free radicals is irresponsible!!

Trei





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