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  Structural Characterization of Amorfrutins Bound to the Peroxisome Proliferator-Activated Receptor gamma

de Groot, J. C., Weidner, C., Krausze, J., Kawamoto, K., Schroeder, F. C., Sauer, S., et al. (2013). Structural Characterization of Amorfrutins Bound to the Peroxisome Proliferator-Activated Receptor gamma. Journal of Medicinal Chemistry, 56(4), 1535-1543. doi:10.1021/jm3013272.

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© 2013 American Chemical Society
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de Groot, J. C., Author
Weidner, C.1, Author              
Krausze, J., Author
Kawamoto, K., Author
Schroeder, F. C., Author
Sauer, S.1, Author              
Büssow, K., Author
Affiliations:
1Nutrigenomics and Gene Regulation (Sascha Sauer), Independent Junior Research Groups (OWL), Max Planck Institute for Molecular Genetics, Max Planck Society, ou_1479662              

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 Abstract: Amorfrutins are a family of natural products with high affinity to the peroxisome proliferator-activated receptor gamma (PPARgamma), a nuclear receptor regulating lipid and glucose metabolism. The PPARgamma agonist rosiglitazone increases insulin sensitivity and is effective against type II diabetes but has severe adverse effects including weight gain. Amorfrutins improve insulin sensitivity and dyslipidemia but do not enhance undesired fat storage. They bear potential as therapeutics or prophylactic dietary supplements. We identified amorfrutin B as a novel partial agonist of PPARgamma with a considerably higher affinity than that of previously reported amorfrutins, similar to that of rosiglitazone. Crystal structures reveal the geranyl side chain of amorfrutin B as the cause of its particularly high affinity. Typical for partial agonists, amorfrutins 1, 2, and B bind helix H3 and the beta-sheet of PPARgamma but not helix H12.

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Language(s): eng - English
 Dates: 2013-02-062013-02-28
 Publication Status: Published in print
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 Rev. Type: Peer
 Identifiers: DOI: 10.1021/jm3013272
ISSN: 1520-4804 (Electronic)0022-2623 (Print)
URI: http://www.ncbi.nlm.nih.gov/pubmed/23286787
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Title: Journal of Medicinal Chemistry
Source Genre: Journal
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Publ. Info: Washington DC : ACS Publications
Pages: - Volume / Issue: 56 (4) Sequence Number: - Start / End Page: 1535 - 1543 Identifier: ISSN: 0022-2623
CoNE: https://pure.mpg.de/cone/journals/resource/110992357271168