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Isoprenoids: remarkable diversity of form and function.
Sarah A Holstein1, Raymond J Hohl
1Departments of Internal Medicine and Pharmacology, University of Iowa, Iowa City, Iowa 52242, USA.
Lipids
|September 11, 2004
Summary
This review explores the ancient isoprenoid biosynthetic pathway, focusing on C-10 mono-, C-15 sesqui-, and C-20 diterpenes. It examines their diverse functions, regulation of gene expression, and potential therapeutic applications.
Area of Science:
- Biochemistry
- Molecular Biology
- Metabolic Pathways
Background:
- Isoprenoids are ancient, evolutionarily conserved biomolecules essential for life.
- The isoprenoid biosynthetic pathway produces a vast array of vital compounds.
- This review specifically examines C-10 mono-, C-15 sesqui-, and C-20 diterpenes.
Purpose of the Study:
- To review the isoprenoid biosynthetic pathway, focusing on specific terpene classes.
- To examine the interconversion of key pathway intermediates like farnesyl pyrophosphate and geranylgeranyl pyrophosphate.
- To discuss the diverse biological functions and pharmacological potential of isoprenoids.
Main Methods:
- Literature review of isoprenoid biosynthesis and function.
- Analysis of evidence for interconversion between farnesyl pyrophosphate and geranylgeranyl pyrophosphate.
- Discussion of regulatory mechanisms and biological activities of isoprenoids.
Main Results:
- Isoprenoids regulate the expression of beta-HMG-CoA reductase and Ras-related proteins.
- Specific isoprenoids exhibit apoptotic effects and antiulcer activities.
- The environmental fate and degradation of isoprenoids are considered.
Conclusions:
- The isoprenoid pathway is a significant source of diverse biomolecules with critical roles.
- Understanding isoprenoid interconversions and functions is key to exploring their therapeutic potential.
- Pharmacological manipulation of the isoprenoid pathway holds promise for clinical applications.