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A 3D view of autotaxin
Hiroshi Nishimasu1, Ryuichiro Ishitani, Junken Aoki
1Department of Biophysics and Biochemistry, Graduate School of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
Trends in Pharmacological Sciences
|January 27, 2012
Summary
Autotaxin (ATX) generates lysophosphatidic acid (LPA), crucial for cell signaling. New structural insights reveal how ATX produces LPA, advancing research in development, cancer, pain, and fibrosis.
Area of Science:
- Biochemistry
- Molecular Biology
- Cell Biology
Background:
- Autotaxin (ATX), or ectonucleotide pyrophosphatase/phosphodiesterase 2 (Enpp2), is a secreted enzyme.
- ATX functions as a lysophospholipase D (lysoPLD), generating the lipid mediator lysophosphatidic acid (LPA).
- LPA signaling through G protein-coupled receptors influences diverse physiological and pathological processes, including development, cancer, pain, and fibrosis.
Purpose of the Study:
- To elucidate the molecular mechanism of autotaxin-catalyzed lysophosphatidic acid production.
- To provide structural insights into the localized and regulated generation of LPA by ATX.
- To facilitate future biochemical, biological, and medical research on ATX function.
Main Methods:
- Structural analysis of autotaxin (ATX).
- Biochemical assays to study enzyme activity.
- Cellular studies to investigate LPA production and signaling.
Main Results:
- Recent structural analyses have provided novel insights into ATX function.
- The findings illuminate the mechanisms underlying localized and regulated LPA production by ATX.
- This structural information is key to understanding ATX's role in various biological contexts.
Conclusions:
- Understanding the molecular mechanism of ATX-catalyzed LPA production is critical.
- Structural insights offer a foundation for further investigation into ATX's physiological and pathological roles.
- This research paves the way for developing targeted therapeutics for ATX-related diseases.
