Inhibition of catechol-O-methyltransferase (COMT) by heparin oligosaccharides with specific structures

Copyright © 2024 Elsevier Ltd. All rights reserved..

COMT inhibitors are commonly used to improve the effectiveness of levodopa in treating Parkinson's disease by inhibiting its conversion to 3-O-methyldopa. Because of the serious side effect of nitrocatechol COMT inhibitors, it is necessary to develop non-nitrocatechol COMT inhibitors with a higher safety profile. Heparin has been observed to bind to COMT. However, the exact functional significance of this interaction is not fully understood. In this study, the contribution of different substitution of heparin to its binding with COMT was investigated. In vitro and in vivo, heparin oligosaccharides can bind to COMT and inhibit its activity. Furthermore, we enriched the functional heparin oligosaccharides that bind to COMT and identified the sequence UA2S-GlcN(S/Ac)6(S/H)-UA2S-GlcNS6(S/H)-UA2(S/H)-GlcNS6S as the characteristic structural domain of these functional oligosaccharides. This study has elucidated the relationship between the structure of heparin oligosaccharides and their activity against COMT, providing valuable insights for the development of non-nitrocatechol COMT inhibitors with improved safety and efficacy.

Medienart:

E-Artikel

Erscheinungsjahr:

2024

Erschienen:

2024

Enthalten in:

Zur Gesamtaufnahme - volume:332

Enthalten in:

Carbohydrate polymers - 332(2024) vom: 15. März, Seite 121909

Sprache:

Englisch

Beteiligte Personen:

Chen, Qingqing [VerfasserIn]
Wang, Qingchi [VerfasserIn]
Bu, Changkai [VerfasserIn]
An, Zizhe [VerfasserIn]
Jin, Lan [VerfasserIn]
Chi, Lianli [VerfasserIn]

Links:

Volltext

Themen:

46627O600J
9005-49-6
COMT protein, human
Catechol O-Methyltransferase
Catechol O-Methyltransferase Inhibitors
Catechol-O-methyltransferase
EC 2.1.1.6
Heparin
Heparin oligosaccharide
Interaction
Journal Article
Levodopa
Parkinson's disease
Structure

Anmerkungen:

Date Completed 05.03.2024

Date Revised 05.03.2024

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1016/j.carbpol.2024.121909

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM369212894