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Related Experiment Videos

Alpha-oxidation.

Gerbert A Jansen1, Ronald J A Wanders

  • 1Bioinformatics Laboratory, Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Academic Medical Centre, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands. g.a.jansen@amc.uva.nl

Biochimica Et Biophysica Acta
|August 29, 2006
PubMed
Summary
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Phytanic acid, a dietary branched-chain fatty acid, is processed via alpha-oxidation due to its 3-methyl group blocking beta-oxidation. This review details the alpha-oxidation pathway and its enzymes.

Area of Science:

  • Biochemistry
  • Human Metabolism
  • Fatty Acid Metabolism

Background:

  • Phytanic acid is a branched-chain fatty acid found in the human diet.
  • Its structure, specifically the 3-methyl group, impedes typical beta-oxidation.
  • This necessitates an alternative catabolic pathway for its breakdown.

Purpose of the Study:

  • To review the alpha-oxidation pathway responsible for phytanic acid degradation.
  • To identify and describe the enzymes involved in this metabolic process.

Main Methods:

  • Literature review of biochemical pathways.
  • Analysis of enzymatic mechanisms in fatty acid metabolism.

Main Results:

  • Phytanic acid degradation initiates with alpha-oxidation, not beta-oxidation.

Related Experiment Videos

  • The terminal carboxyl group is removed during the initial step of alpha-oxidation.
  • Key enzymes and steps of the phytanic acid alpha-oxidation pathway are elucidated.

    • Conclusions:

    • The alpha-oxidation pathway is crucial for metabolizing phytanic acid in humans.
    • Understanding this pathway is essential for comprehending lipid metabolism and related disorders.