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Expanding the ChemGPS chemical space with natural products
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Pharmacy, Department of Medicinal Chemistry, Division of Pharmacognosy.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Pharmacy, Department of Medicinal Chemistry, Division of Pharmacognosy.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Pharmacy, Department of Medicinal Chemistry, Division of Pharmacognosy.
2005 (English)In: Journal of natural products (Print), ISSN 0163-3864, E-ISSN 1520-6025, Vol. 68, no 7, 985-991 p.Article in journal (Refereed) Published
Abstract [en]

Recently various attempts have been made to increase the efficacy and precision of chemical libraries used in high-throughput screening (HTS) drug discovery approaches. One such approach is ChemGPS, which provides a defined chemical space for prescreening evaluation of chemical compound properties or virtual dereplication. In the present study, ChemGPS has been applied to a set of natural products shown to exhibit cyclooxygenase-1 and/or -2 (COX-1/2) inhibition. With the purpose of defining chemical properties and linking these to the observed mode of enzyme inhibition, this resulted in two lines of reasoning. On one hand several specific features of these compounds have been identified and discussed. Overall COX inhibition was frequently correlated with the presence of at least one ring in the structure, fragments exhibiting structural rigidity, and a relatively large molecular size. The concept "size" includes several parameters, e.g., molecular volume, weight, and number of bonds. On the other hand, and possibly even more important, was the unexpected finding that the natural products studied to a large extent fell outside the defined ChemGPS chemical space. Therefore, we also propose an expanded space for natural products: ChemGPS-NP.

Place, publisher, year, edition, pages
2005. Vol. 68, no 7, 985-991 p.
National Category
Pharmaceutical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-102044DOI: 10.1021/np049655uISI: 000230706800004PubMedID: 16038536OAI: oai:DiVA.org:uu-102044DiVA: diva2:213882
Available from: 2009-04-29 Created: 2009-04-29 Last updated: 2012-03-22Bibliographically approved

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