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Stereoselective synthesis, biological evaluation, and modeling of novel bile acid-derived G-protein coupled Bile acid receptor 1 (GP-BAR1, TGR5) agonists.
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Stereoselective synthesis, biological evaluation, and modeling of novel bile acid-derived G-protein coupled Bile acid receptor 1 (GP-BAR1, TGR5) agonists.

Author: Donna D YuKyle M SousaDaniell L MatternJeffrey WagnerXianghui FuAll authors
Publisher: Amsterdam : Elsevier, 2015.
Edition/Format:   Article : Document   Computer File : English
Publication:Bioorganic & medicinal chemistry
Summary:
Graphical abstract: Abstract: GP-BAR1 (also known as TGR5), a novel G-protein coupled receptor regulating various non-genomic functions via bile acid signaling, has emerged as a promising target for metabolic disorders, including obesity and type II diabetes. However, given that many bile acids (BAs) are poorly tolerated for systemic therapeutic use, there is significant need to develop GP-BAR1 agonists with  Read more...
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Material Type: Document
Document Type: Article, Computer File
All Authors / Contributors: Donna D Yu; Kyle M Sousa; Daniell L Mattern; Jeffrey Wagner; Xianghui Fu; Nagarajan Vaidehi; Barry M Forman; Wendong Huang
ISSN:0968-0896
OCLC Number: 1018184863
Notes: In: Bioorganic & medicinal chemistry, Vol. 23, no. 7 (2015), p.1613-1628.
Description: 1 online resource

Abstract:

Graphical abstract: Abstract: GP-BAR1 (also known as TGR5), a novel G-protein coupled receptor regulating various non-genomic functions via bile acid signaling, has emerged as a promising target for metabolic disorders, including obesity and type II diabetes. However, given that many bile acids (BAs) are poorly tolerated for systemic therapeutic use, there is significant need to develop GP-BAR1 agonists with improved potency and specificity and there also is significant impetus to develop a stereoselective synthetic methodology for GP-BAR1 agonists. Here, we report the development of highly stereo-controlled strategies to investigate a series of naturally occurring bile acid derivatives with markedly enhanced GP-BAR1 activity. These novel GP-BAR1 agonists are evaluated in vitro using luciferase-based reporter and cAMP assays to elucidate their biological properties. In vivo studies revealed that the GP-BAR1 agonist 23(S)-m-LCA increased intestinal GLP-1 transcripts by 26-fold. Additionally, computational modeling studies of selected ligands that exhibit enhanced potency and specificity for GP-BAR1 provide information on potential binding sites for these ligands in GP-BAR1.

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