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Updated: Dec 26, 2025

Preparation and In Vivo Use of an Activity-based Probe for N-acylethanolamine Acid Amidase
Published on: November 23, 2016
N-Acylethanolamine Acid Amidase (NAAA): Structure, Function, and Inhibition
Daniele Piomelli1,2,3, Laura Scalvini4, Yannick Fotio1
1Department of Anatomy and Neurobiology, University of California, Irvine, California 92697-4625, United States.
N-Acylethanolamine acid amidase (NAAA) regulates anti-inflammatory signaling by controlling palmitoylethanolamide (PEA). Targeting NAAA offers a promising strategy for developing novel anti-inflammatory drugs.
Area of Science:
- Biochemistry
- Immunology
- Pharmacology
Background:
- N-Acylethanolamine acid amidase (NAAA) is an enzyme in immune cells.
- NAAA deactivates palmitoylethanolamide (PEA), an anti-inflammatory molecule.
- PEA signaling through PPAR-α is crucial for inflammation control.
Purpose of the Study:
- To explore NAAA's role in PEA signaling and inflammation.
- To examine the structural basis of NAAA function and inhibition.
- To assess the therapeutic potential of NAAA inhibitors for inflammatory diseases.
Main Methods:
- Literature review and perspective synthesis.
- Analysis of NAAA structure-activity relationships.
- Discussion of NAAA as a drug target.
Main Results:
- NAAA critically controls PEA signaling activity.
- Structural insights reveal mechanisms for NAAA inhibition.
- NAAA inhibitors show potential for treating inflammatory conditions.
Conclusions:
- NAAA is a key regulator of the anti-inflammatory lipid PEA.
- Understanding NAAA structure aids in designing inhibitors.
- Targeting NAAA presents a viable therapeutic avenue for inflammatory disorders.
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