Biochemistry · Clinical Biochemistry and Laboratory Medicine

Detoxification and xenobiotic metabolism

6 min read

Quick Orientation

Section

Definition

Objective
Understand the core idea
Keywords
Detoxification (biotransformation), oxidation, reduction, hydrolysis, conjugation

Site of Detoxification

Objective
Learn the main facts and relationships
Keywords
liver, kidney

Mechanism: Phase I and Phase II Reactions

Objective
Follow the sequence and key control points
Keywords
Phase I, Phase II, oxidation followed by conjugation

Phase I Reactions: Oxidation, Reduction and Hydrolysis

Objective
Follow the sequence and key control points
Keywords
Oxidation, Cytochrome P450, 450 nm

Phase II Reactions: Conjugation

Objective
Follow the sequence and key control points
Keywords
Conjugation, 8 conjugating agents, Glucuronic acid

Clinical Correlation

Objective
Connect the mechanism to clinical findings
Keywords
Detoxification is a misnomer, Enzyme induction, Heavy metal poisoning treated with BAL

Definition