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Gu H, Hu P, Zhao Y, Liu Y, Wang YT, Ahmed AA, Liu HY, Cai D. Nuclear Receptor RORα/γ: Exciting Modulators in Metabolic Syndrome and Related Disorders. Front Nutr 2022; 9:925267. [PMID: 35799591 PMCID: PMC9253614 DOI: 10.3389/fnut.2022.925267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 05/18/2022] [Indexed: 11/29/2022] Open
Abstract
Under the influences of modern lifestyle, metabolic syndromes (MetS), including insulin resistance, obesity, and fatty liver, featuring a worldwide chronic disease, greatly raise the risk of type 2 diabetes, heart disease, and stroke. However, its pathogenesis is still unclear, and there are limited drugs with strong clinical efficacy and specificity. Given the close connection between impaired lipid metabolism and MetS onset, modulating the lipid metabolic genes may provide potential prospects in the development of MetS therapeutics. Nuclear receptors are such druggable transcription factors that translate physiological signals into gene regulation via DNA binding upon ligand activation. Recent studies reveal vital functions of the NRs retinoic acid's receptor-related orphan receptors (RORs), including RORα and RORγ, in the gene regulation in lipid metabolism and MetS. This review focuses on the latest developments in their actions on MetS and related metabolic disorders, which would benefit future clinically therapeutic applications.
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Affiliation(s)
- Haotian Gu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Ping Hu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Yahui Zhao
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Yaya Liu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Yi-Ting Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Abdelkareem A. Ahmed
- Department of Veterinary Biomedical Sciences, Botswana University of Agriculture and Agriculture and Natural Resources, Gaborone, Botswana
- Biomedical Research Institute, Darfur University College, Nyala, Sudan
| | - Hao-Yu Liu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
- *Correspondence: Hao-Yu Liu
| | - Demin Cai
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
- Demin Cai
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Welch RD, Billon C, Losby M, Bedia-Diaz G, Fang Y, Avdagic A, Elgendy B, Burris TP, Griffett K. Emerging Role of Nuclear Receptors for the Treatment of NAFLD and NASH. Metabolites 2022; 12:238. [PMID: 35323681 PMCID: PMC8953348 DOI: 10.3390/metabo12030238] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 03/08/2022] [Accepted: 03/09/2022] [Indexed: 02/04/2023] Open
Abstract
Non-alcoholic fatty liver (NAFLD) over the past years has become a metabolic pandemic linked to a collection of metabolic diseases. The nuclear receptors ERRs, REV-ERBs, RORs, FXR, PPARs, and LXR are master regulators of metabolism and liver physiology. The characterization of these nuclear receptors and their biology has promoted the development of synthetic ligands. The possibility of targeting these receptors to treat NAFLD is promising, as several compounds including Cilofexor, thiazolidinediones, and Saroglitazar are currently undergoing clinical trials. This review focuses on the latest development of the pharmacology of these metabolic nuclear receptors and how they may be utilized to treat NAFLD and subsequent comorbidities.
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Affiliation(s)
- Ryan D. Welch
- Biology and Chemistry Department, Blackburn College, Carlinville, IL 62626, USA;
| | - Cyrielle Billon
- Center for Clinical Pharmacology, University of Health Sciences and Pharmacy and Washington University in St. Louis, St. Louis, MO 63110, USA; (C.B.); (G.B.-D.); (Y.F.); (A.A.); (B.E.)
| | - McKenna Losby
- Biochemistry, Biophysics and Structural Biology, School of Medicine, Washington University in St. Louis, St. Louis, MO 63110, USA;
| | - Gonzalo Bedia-Diaz
- Center for Clinical Pharmacology, University of Health Sciences and Pharmacy and Washington University in St. Louis, St. Louis, MO 63110, USA; (C.B.); (G.B.-D.); (Y.F.); (A.A.); (B.E.)
| | - Yuanying Fang
- Center for Clinical Pharmacology, University of Health Sciences and Pharmacy and Washington University in St. Louis, St. Louis, MO 63110, USA; (C.B.); (G.B.-D.); (Y.F.); (A.A.); (B.E.)
| | - Amer Avdagic
- Center for Clinical Pharmacology, University of Health Sciences and Pharmacy and Washington University in St. Louis, St. Louis, MO 63110, USA; (C.B.); (G.B.-D.); (Y.F.); (A.A.); (B.E.)
| | - Bahaa Elgendy
- Center for Clinical Pharmacology, University of Health Sciences and Pharmacy and Washington University in St. Louis, St. Louis, MO 63110, USA; (C.B.); (G.B.-D.); (Y.F.); (A.A.); (B.E.)
- Department of Anesthesiology, School of Medicine, Washington University in St. Louis, St. Louis, MO 63110, USA
| | - Thomas P. Burris
- UF Genetics Institute, University of Florida, Gainesville, FL 32611, USA;
| | - Kristine Griffett
- Department of Anatomy, Physiology and Pharmacology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA
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L'homme L, Sermikli BP, Molendi-Coste O, Fleury S, Quemener S, Le Maître M, Joseph ML, Pineau L, Duhem C, Gross B, Vallez E, Tailleux A, Staels B, Dombrowicz D. Deletion of the nuclear receptor RORα in macrophages does not modify the development of obesity, insulin resistance and NASH. Sci Rep 2020; 10:21095. [PMID: 33273527 PMCID: PMC7713245 DOI: 10.1038/s41598-020-77858-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 11/02/2020] [Indexed: 11/09/2022] Open
Abstract
Retinoic acid receptor-related orphan receptor-alpha (RORα) is a transcription factor from the nuclear receptor family expressed by immune cells and involved in the development of obesity, insulin resistance (IR) and non-alcoholic steatohepatitis (NASH). It was recently reported that mice deficient for RORα in macrophages develop more severe NASH upon high fat diet (HFD) feeding due to altered Kupffer cell function. To better understand the role of RORα in obesity and IR, we independently generated a macrophage RORα-deficient mouse line. We report that RORα deletion in macrophages does not impact on HFD-induced obesity and IR. Surprisingly, we did not confirm an effect on NASH development upon HFD feeding nor in the more severe and obesity-independent choline-deficient, L-amino acid-defined diet model. Our results therefore show that RORα deletion in macrophages does not alter the development of obesity and IR and question its role in NASH.
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Affiliation(s)
- Laurent L'homme
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, 59000, Lille, France
| | - Benan Pelin Sermikli
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, 59000, Lille, France
| | - Olivier Molendi-Coste
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, 59000, Lille, France
| | - Sébastien Fleury
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, 59000, Lille, France
| | - Sandrine Quemener
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, 59000, Lille, France
| | - Mathilde Le Maître
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, 59000, Lille, France
| | - Marie-Laure Joseph
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, 59000, Lille, France
| | - Laurent Pineau
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, 59000, Lille, France
| | - Christian Duhem
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, 59000, Lille, France
| | - Barbara Gross
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, 59000, Lille, France
| | - Emmanuelle Vallez
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, 59000, Lille, France
| | - Anne Tailleux
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, 59000, Lille, France
| | - Bart Staels
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, 59000, Lille, France
| | - David Dombrowicz
- Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, 59000, Lille, France.
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Pickel L, Sung HK. Feeding Rhythms and the Circadian Regulation of Metabolism. Front Nutr 2020; 7:39. [PMID: 32363197 PMCID: PMC7182033 DOI: 10.3389/fnut.2020.00039] [Citation(s) in RCA: 124] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 03/20/2020] [Indexed: 12/16/2022] Open
Abstract
The molecular circadian clock regulates metabolic processes within the cell, and the alignment of these clocks between tissues is essential for the maintenance of metabolic homeostasis. The possibility of misalignment arises from the differential responsiveness of tissues to the environmental cues that synchronize the clock (zeitgebers). Although light is the dominant environmental cue for the master clock of the suprachiasmatic nucleus, many other tissues are sensitive to feeding and fasting. When rhythms of feeding behavior are altered, for example by shift work or the constant availability of highly palatable foods, strong feedback is sent to the peripheral molecular clocks. Varying degrees of phase shift can cause the systemic misalignment of metabolic processes. Moreover, when there is a misalignment between the endogenous rhythms in physiology and environmental inputs, such as feeding during the inactive phase, the body's ability to maintain homeostasis is impaired. The loss of phase coordination between the organism and environment, as well as internal misalignment between tissues, can produce cardiometabolic disease as a consequence. The aim of this review is to synthesize the work on the mechanisms and metabolic effects of circadian misalignment. The timing of food intake is highlighted as a powerful environmental cue with the potential to destroy or restore the synchrony of circadian rhythms in metabolism.
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Affiliation(s)
- Lauren Pickel
- Translational Medicine Program, The Hospital for Sick Children, Toronto, ON, Canada
| | - Hoon-Ki Sung
- Translational Medicine Program, The Hospital for Sick Children, Toronto, ON, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
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