Cytochrome P450

A key chemical in Porphyria
Copyright (C) 1995-2003, JVV



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Cytochrome P450 is a family of the body's more powerful detox enzymes. Over 60 key forms are known, with hundreds of genetic variations possible, producing a wide variety of susceptibility to specific toxins. As the saying goes, "One man's meat is another man's poison".

Problems with P450 are often involved in porphyria type disorders. P450 production may be inhibited or substantially used up by H2 blockers, some antacids, SSRI's (Prozac, Paxil, Zoloft, etc.,) and perhaps one fifth of all medications. In this manner, these drugs have the potential to worsen, or even create, a susceptibility to many common chemicals, and thus may trigger Multiple Chemical Sensitivities / Environmental Illness and related syndromes. The oddness of some of these symptoms may prompt some doctors to prescribe SSRI's, thus making the situation worse.

Long term inhibition of heme synthesis due to P450 insufficiency may cause anemia. This, and the resulting metabolic reductions, may cause reductions in the body's ability to maintain itself, showing up as a wide variety of health problems similar to those of Wilson's Syndrome, as well as behavioral and cognitive problems similar to those described in The Cold Body Page. A related detoxification pathway involves Paraoxonase and related oxonases.


Mechanism of Interaction
Hyperactive Bioinorganic Proteins (Looks like party pictures)
http://www.plpk.uq.oz.au/gillam.html A general detox enzyme.
Homo sapiens - Oxidative phosphorylation
P450 Inhibited by SSRI's, can cause porphyria type problems.
See also Problems with SSRI's
What's new in the Directory of P450-containing Systems
Byron W. Kemper
About P450-containing systems
Allan E. Rettie Bio-sketch
P-450scc WWW Poster
Affinity BioReagents, Inc. Home Page
PA3-033
PA3-034
Cytochrome P450 Family
Mechanism of Interaction
Proposed Investigation of Cytochrome P450
http://riker.neoucom.edu/DEPTS/PHAR/jc.html


Thioctic / Alpha Lipoic Acid reference page
Gliotoxin reference page
Porphyria reference page.
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