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Systems Pharmacology
CYPs Reactions
19
Biology
Graduate
10/23/2011

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Term
CYPs require
Definition
molecular oxygen
Term
overall reaction
Definition
drug-H + NADH + H+ + O2 yields
drug-OH + NAD+ + H2O
Term
oxidized
Definition
drug and NADH
Term
reduced
Definition
H+ and O2
Term
most prevalent
Definition
dealkylation and deamination
Term
dealkylation type
Definition
N (small side chain)
Term
oxidation types
Definition
N and S
Term
hydroxylation types
Definition
-aromatic
-aliphatic
Term
dehalogenation requires a
Definition
-lipid/nucleic acid
-forms a lipid free radical
Term
non-CYP
Definition
-reduction
-hydrolysis
-FMO
-MAO
-DAO
-XO
-Alcohol/Aldehyde dehydrogenase
Term
FMO
Definition
-catalyze oxygenation of NPS
-many different isoforms
-require O2,NADPH,FAD
Term
MAO
Definition
-mitochondrial enzyme
-endogenous substrates are neurotransmitters
Term
DAO
Definition
-substrates include histamine and polyamines
Term
XO
Definition
-substrates are purines
-hypoxanthine to xanthine to uric acid
-leads to gout
Term
alcohol/aldehyde dehydrogenase
Definition
-non-specific enzymes in soluble fraction of liver
Term
1. how the liver metabolizes alcohol
Definition
-ethanol + NAD+ yields acetaldehyde + NADH + H+
Term
2. how the liver metabolizes alcohol
Definition
-acetaldehyde + NAD+ yields acetic acid + NADH + H+
Term
3.how liver metabolizes alcohol
Definition
-acetic acid yields water and CO2
Term
inhibits aldehyde dehydrogenase
Definition
disulfiram
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