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Systems Pharmacology
Induction and Inhibition/Individual factors
14
Biology
Graduate
10/23/2011

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Cards

Term
Inducers of CYP450
Definition
-rifampin
-barbituates
-tobacco
-ethanol
-St. John's wort
Term
tobacco induces
Definition
1A
Term
ethanol induces
Definition
2E1
Term
St. John's wort induces
Definition
3A4
Term
competitive inhibition is _____ dependent
Definition
concentration and affinity
Term
drugs that inhibit
Definition
-cimetidine
-fluconazole
-grapefruit juice
Term
grapefruit juice inhibits
Definition
3A4
Term
Asians are poor metabolizers of
Definition
CYP2C19
Term
CYP2C19
Definition
-metabolizes 15% of clinically useful drugs (Omeprazole,Diazepam)
-drugs should be prescribed initially in lower doses
-polymorphed form helps trest ulcers
Term
CYP2A6
Definition
-metabolizes nicotine
-activates carcinogens in tobacco smoke
-Asians may have less activity
Term
CYP2D6
Definition
-78 variants
-range from poor to ultra rapid
-20% of clinically useful drugs
-antidepressants
-antipsychotics
-beta blockers
-codeine (prodrug of morphine)
Term
Chloramphenicol
Definition
-UGT
-Gray baby syndrome
Term
Neonatal jaundice
Definition
-UGT
-accumulation of bilirubin
Term
PAH induce
Definition
-CYP1A2 (petroleum, charcoal foods,cigarette smoke)
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