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Honda A, Kamata S, Akahane M, Machida Y, Uchii K, Shiiyama Y, Habu Y, Miyawaki S, Kaneko C, Oyama T, Ishii I. Functional and Structural Insights into Human PPARα/δ/γ Subtype Selectivity of Bezafibrate, Fenofibric Acid, and Pemafibrate. Int J Mol Sci 2022;23:ijms23094726. [PMID: 35563117 PMCID: PMC9102038 DOI: 10.3390/ijms23094726] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 04/22/2022] [Accepted: 04/22/2022] [Indexed: 12/30/2022] Open

Abstract

Among the agonists against three peroxisome proliferator-activated receptor (PPAR) subtypes, those against PPARα (fibrates) and PPARγ (glitazones) are currently used to treat dyslipidemia and type 2 diabetes, respectively, whereas PPARδ agonists are expected to be the next-generation metabolic disease drug. In addition, some dual/pan PPAR agonists are currently being investigated via clinical trials as one of the first curative drugs against nonalcoholic fatty liver disease (NAFLD). Because PPARα/δ/γ share considerable amino acid identity and three-dimensional structures, especially in ligand-binding domains (LBDs), clinically approved fibrates, such as bezafibrate, fenofibric acid, and pemafibrate, could also act on PPARδ/γ when used as anti-NAFLD drugs. Therefore, this study examined their PPARα/δ/γ selectivity using three independent assays—a dual luciferase-based GAL4 transactivation assay for COS-7 cells, time-resolved fluorescence resonance energy transfer-based coactivator recruitment assay, and circular dichroism spectroscopy-based thermostability assay. Although the efficacy and efficiency highly varied between agonists, assay types, and PPAR subtypes, the three fibrates, except fenofibric acid that did not affect PPARδ-mediated transactivation and coactivator recruitment, activated all PPAR subtypes in those assays. Furthermore, we aimed to obtain cocrystal structures of PPARδ/γ-LBD and the three fibrates via X-ray diffraction and versatile crystallization methods, which we recently used to obtain 34 structures of PPARα-LBD cocrystallized with 17 ligands, including the fibrates. We herein reveal five novel high-resolution structures of PPARδ/γ–bezafibrate, PPARγ–fenofibric acid, and PPARδ/γ–pemafibrate, thereby providing the molecular basis for their application beyond dyslipidemia treatment.

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Affiliation(s)

Akihiro Honda Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan; (A.H.); (S.K.); (M.A.); (Y.M.); (K.U.); (Y.S.); (Y.H.); (S.M.); (C.K.)
Shotaro Kamata Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan; (A.H.); (S.K.); (M.A.); (Y.M.); (K.U.); (Y.S.); (Y.H.); (S.M.); (C.K.)
Makoto Akahane Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan; (A.H.); (S.K.); (M.A.); (Y.M.); (K.U.); (Y.S.); (Y.H.); (S.M.); (C.K.)
Yui Machida Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan; (A.H.); (S.K.); (M.A.); (Y.M.); (K.U.); (Y.S.); (Y.H.); (S.M.); (C.K.)
Kie Uchii Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan; (A.H.); (S.K.); (M.A.); (Y.M.); (K.U.); (Y.S.); (Y.H.); (S.M.); (C.K.)
Yui Shiiyama Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan; (A.H.); (S.K.); (M.A.); (Y.M.); (K.U.); (Y.S.); (Y.H.); (S.M.); (C.K.)
Yuki Habu Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan; (A.H.); (S.K.); (M.A.); (Y.M.); (K.U.); (Y.S.); (Y.H.); (S.M.); (C.K.)
Saeka Miyawaki Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan; (A.H.); (S.K.); (M.A.); (Y.M.); (K.U.); (Y.S.); (Y.H.); (S.M.); (C.K.)
Chihiro Kaneko Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan; (A.H.); (S.K.); (M.A.); (Y.M.); (K.U.); (Y.S.); (Y.H.); (S.M.); (C.K.)
Takuji Oyama Faculty of Life and Environmental Sciences, University of Yamanashi, Kofu 400-8510, Yamanashi, Japan;
Isao Ishii Department of Health Chemistry, Showa Pharmaceutical University, Machida 194-8543, Tokyo, Japan; (A.H.); (S.K.); (M.A.); (Y.M.); (K.U.); (Y.S.); (Y.H.); (S.M.); (C.K.) Correspondence:

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Development and Validation of a Rapid Analytical Method for the Simultaneous Quantification of Metabolic Syndrome Drugs by HPLC-DAD Chromatography. Sci Pharm 2021. [DOI: 10.3390/scipharm89010008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open

Rajpurohit AS, Punde NS, Rawool CR, Srivastava AK. Application of Carbon Paste Electrode Modified with Carbon Nanofibres/Polyaniline/Platinum Nanoparticles as an Electrochemical Sensor for the Determination of Bezafibrate. ELECTROANAL 2018. [DOI: 10.1002/elan.201700781] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]

Oliveira MAD, Silva GDD, Campos MST. Chemical degradation kinetics of fibrates: bezafibrate, ciprofibrate and fenofibrate. BRAZ J PHARM SCI 2016. [DOI: 10.1590/s1984-82502016000300019] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open

Ardila JA, Oliveira GG, Medeiros RA, Fatibello-Filho O. Square-wave adsorptive stripping voltammetric determination of nanomolar levels of bezafibrate using a glassy carbon electrode modified with multi-walled carbon nanotubes within a dihexadecyl hydrogen phosphate film. Analyst 2014;139:1762-8. [DOI: 10.1039/c3an02016a] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]