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Roberti A, Tejedor JR, Díaz-Moreno I, López V, Santamarina-Ojeda P, Pérez RF, Urdinguio RG, Concellón C, Martínez-Chantar ML, Fernández-Morera JL, Díaz-Quintana A, Del Amo V, Fernández AF, Fraga MF. Nicotinamide N-methyltransferase (NNMT) regulates the glucocorticoid signaling pathway during the early phase of adipogenesis. Sci Rep 2023; 13:8293. [PMID: 37217546 DOI: 10.1038/s41598-023-34916-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 05/09/2023] [Indexed: 05/24/2023] Open
Abstract
Obesity is associated with adipose tissue dysfunction through the differentiation and expansion of pre-adipocytes to adipocytes (hyperplasia) and/or increases in size of pre-existing adipocytes (hypertrophy). A cascade of transcriptional events coordinates the differentiation of pre-adipocytes into fully differentiated adipocytes; the process of adipogenesis. Although nicotinamide N-methyltransferase (NNMT) has been associated with obesity, how NNMT is regulated during adipogenesis, and the underlying regulatory mechanisms, remain undefined. In present study we used genetic and pharmacological approaches to elucidate the molecular signals driving NNMT activation and its role during adipogenesis. Firstly, we demonstrated that during the early phase of adipocyte differentiation NNMT is transactivated by CCAAT/Enhancer Binding Protein beta (CEBPB) in response to glucocorticoid (GC) induction. We found that Nnmt knockout, using CRISPR/Cas9 approach, impaired terminal adipogenesis by influencing the timing of cellular commitment and cell cycle exit during mitotic clonal expansion, as demonstrated by cell cycle analysis and RNA sequencing experiments. Biochemical and computational methods showed that a novel small molecule, called CC-410, stably binds to and highly specifically inhibits NNMT. CC-410 was, therefore, used to modulate protein activity during pre-adipocyte differentiation stages, demonstrating that, in line with the genetic approach, chemical inhibition of NNMT at the early stages of adipogenesis impairs terminal differentiation by deregulating the GC network. These congruent results conclusively demonstrate that NNMT is a key component of the GC-CEBP axis during the early stages of adipogenesis and could be a potential therapeutic target for both early-onset obesity and glucocorticoid-induced obesity.
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Affiliation(s)
- Annalisa Roberti
- Nanomaterials and Nanotechnology Research Center (CINN), Spanish National Research Council (CSIC), 33940, El Entrego, Spain
- Foundation for Biomedical Research and Innovation in Asturias (FINBA), 33011, Oviedo, Spain
- Health Research Institute of Asturias (ISPA), Av. del Hospital Universitario, 33011, Oviedo, Asturias, Spain
- University Institute of Oncology (IUOPA), University of Oviedo, 33006, Oviedo, Spain
| | - Juan Ramon Tejedor
- Nanomaterials and Nanotechnology Research Center (CINN), Spanish National Research Council (CSIC), 33940, El Entrego, Spain
- Foundation for Biomedical Research and Innovation in Asturias (FINBA), 33011, Oviedo, Spain
- Health Research Institute of Asturias (ISPA), Av. del Hospital Universitario, 33011, Oviedo, Asturias, Spain
- University Institute of Oncology (IUOPA), University of Oviedo, 33006, Oviedo, Spain
- Center for Biomedical Network Research on Rare Diseases (CIBERER), 28029, Madrid, Spain
| | - Irene Díaz-Moreno
- Institute for Chemical Research (IIQ), Scientific Research Centre Isla de la Cartuja (cicCartuja), University of Seville - Spanish National Research Council (CSIC), Seville, Spain
| | - Virginia López
- Foundation for Biomedical Research and Innovation in Asturias (FINBA), 33011, Oviedo, Spain
- Health Research Institute of Asturias (ISPA), Av. del Hospital Universitario, 33011, Oviedo, Asturias, Spain
- University Institute of Oncology (IUOPA), University of Oviedo, 33006, Oviedo, Spain
| | - Pablo Santamarina-Ojeda
- Foundation for Biomedical Research and Innovation in Asturias (FINBA), 33011, Oviedo, Spain
- Health Research Institute of Asturias (ISPA), Av. del Hospital Universitario, 33011, Oviedo, Asturias, Spain
- University Institute of Oncology (IUOPA), University of Oviedo, 33006, Oviedo, Spain
- Center for Biomedical Network Research on Rare Diseases (CIBERER), 28029, Madrid, Spain
| | - Raúl F Pérez
- Nanomaterials and Nanotechnology Research Center (CINN), Spanish National Research Council (CSIC), 33940, El Entrego, Spain
- Foundation for Biomedical Research and Innovation in Asturias (FINBA), 33011, Oviedo, Spain
- Health Research Institute of Asturias (ISPA), Av. del Hospital Universitario, 33011, Oviedo, Asturias, Spain
- University Institute of Oncology (IUOPA), University of Oviedo, 33006, Oviedo, Spain
- Center for Biomedical Network Research on Rare Diseases (CIBERER), 28029, Madrid, Spain
| | - Rocío G Urdinguio
- Foundation for Biomedical Research and Innovation in Asturias (FINBA), 33011, Oviedo, Spain
- Health Research Institute of Asturias (ISPA), Av. del Hospital Universitario, 33011, Oviedo, Asturias, Spain
- University Institute of Oncology (IUOPA), University of Oviedo, 33006, Oviedo, Spain
- Center for Biomedical Network Research on Rare Diseases (CIBERER), 28029, Madrid, Spain
| | - Carmen Concellón
- Department of Organic and Inorganic Chemistry, University of Oviedo, Oviedo, Spain
| | - María Luz Martínez-Chantar
- Liver Disease Lab, Center for Cooperative Research in Biosciences (CIC bioGUNE), Basque Research and Technology Alliance, Derio, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Carlos III National Health Institute, Madrid, Spain
| | - Juan Luis Fernández-Morera
- Foundation for Biomedical Research and Innovation in Asturias (FINBA), 33011, Oviedo, Spain
- Health Research Institute of Asturias (ISPA), Av. del Hospital Universitario, 33011, Oviedo, Asturias, Spain
- Endocrinology and Nutrition Department, Hospital Vital Alvarez Buylla (HVAB), 33611, Mieres, Spain
| | - Antonio Díaz-Quintana
- Institute for Chemical Research (IIQ), Scientific Research Centre Isla de la Cartuja (cicCartuja), University of Seville - Spanish National Research Council (CSIC), Seville, Spain
| | - Vicente Del Amo
- Department of Organic and Inorganic Chemistry, University of Oviedo, Oviedo, Spain
| | - Agustín F Fernández
- Nanomaterials and Nanotechnology Research Center (CINN), Spanish National Research Council (CSIC), 33940, El Entrego, Spain.
- Foundation for Biomedical Research and Innovation in Asturias (FINBA), 33011, Oviedo, Spain.
- Health Research Institute of Asturias (ISPA), Av. del Hospital Universitario, 33011, Oviedo, Asturias, Spain.
- University Institute of Oncology (IUOPA), University of Oviedo, 33006, Oviedo, Spain.
- Center for Biomedical Network Research on Rare Diseases (CIBERER), 28029, Madrid, Spain.
| | - Mario F Fraga
- Nanomaterials and Nanotechnology Research Center (CINN), Spanish National Research Council (CSIC), 33940, El Entrego, Spain.
- Foundation for Biomedical Research and Innovation in Asturias (FINBA), 33011, Oviedo, Spain.
- Health Research Institute of Asturias (ISPA), Av. del Hospital Universitario, 33011, Oviedo, Asturias, Spain.
- University Institute of Oncology (IUOPA), University of Oviedo, 33006, Oviedo, Spain.
- Center for Biomedical Network Research on Rare Diseases (CIBERER), 28029, Madrid, Spain.
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Kessaratikoon T, Theerathanagorn T, Crespy D, D'Elia V. Organocatalytic Polymers from Affordable and Readily Available Building Blocks for the Cycloaddition of CO 2 to Epoxides. J Org Chem 2023; 88:4894-4924. [PMID: 36692489 DOI: 10.1021/acs.joc.2c02447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The catalytic cycloaddition of CO2 to epoxides to afford cyclic carbonates as useful monomers, intermediates, solvents, and additives is a continuously growing field of investigation as a way to carry out the atom-economic conversion of CO2 to value-added products. Metal-free organocatalytic compounds are attractive systems among various catalysts for such transformations because they are inexpensive, nontoxic, and readily available. Herein, we highlight and discuss key advances in the development of polymer-based organocatalytic materials that match these requirements of affordability and availability by considering their synthetic routes, the monomers, and the supports employed. The discussion is organized according to the number (monofunctional versus bifunctional materials) and type of catalytically active moieties, including both halide-based and halide-free systems. Two general synthetic approaches are identified based on the postsynthetic functionalization of polymeric supports or the copolymerization of monomers bearing catalytically active moieties. After a review of the material syntheses and catalytic activities, the chemical and structural features affecting catalytic performance are discussed. Based on such analysis, some strategies for the future design of affordable and readily available polymer-based organocatalysts with enhanced catalytic activity under mild conditions are considered.
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Affiliation(s)
- Tanika Kessaratikoon
- Department of Material Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Payupnai, WangChan, Rayong 21210, Thailand
| | - Tharinee Theerathanagorn
- Department of Material Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Payupnai, WangChan, Rayong 21210, Thailand
| | - Daniel Crespy
- Department of Material Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Payupnai, WangChan, Rayong 21210, Thailand
| | - Valerio D'Elia
- Department of Material Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Payupnai, WangChan, Rayong 21210, Thailand
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Poolwong J, Aomchad V, Del Gobbo S, Kleij AW, D'Elia V. Simple Halogen-Free, Biobased Organic Salts Convert Glycidol to Glycerol Carbonate under Atmospheric CO 2 Pressure. CHEMSUSCHEM 2022; 15:e202200765. [PMID: 35726476 DOI: 10.1002/cssc.202200765] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 06/20/2022] [Indexed: 06/15/2023]
Abstract
Glycerol carbonate (GC) has emerged as an attractive synthetic target due to various promising technological applications. Among several viable strategies to produce GC from CO2 and glycerol and its derivatives, the cycloaddition of CO2 to glycidol represents an atom-economic an efficient strategy that can proceed via a halide-free manifold through a proton-shuttling mechanism. Here, it was shown that the synthesis of GC can be promoted by bio-based and readily available organic salts leading to quantitative GC formation under atmospheric CO2 pressure and moderate temperatures. Comparative and mechanistic experiments using sodium citrate as the most efficient catalyst highlighted the role of both hydrogen bond donor and weakly basic sites in the organic salt towards GC formation. The citrate salt was also used as a catalyst for the conversion of other epoxy alcohols. Importantly, the discovery that homogeneous organic salts catalyze the target reaction inspired us to use metal alginates as heterogeneous and recoverable bio-based catalysts for the same process.
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Affiliation(s)
- Jitpisut Poolwong
- Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), 555 Moo 1, 21210, Payupnai, WangChan, Rayong, Thailand
| | - Vatcharaporn Aomchad
- Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), 555 Moo 1, 21210, Payupnai, WangChan, Rayong, Thailand
| | - Silvano Del Gobbo
- Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), 555 Moo 1, 21210, Payupnai, WangChan, Rayong, Thailand
| | - Arjan W Kleij
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science & Technology (BIST), Av. Països Catalans 16, 43007, Tarragona, Spain
- Catalan Institute for Research and Advanced Studies (ICREA), Pg. Lluis Companys 23, 08010, Barcelona, Spain
| | - Valerio D'Elia
- Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), 555 Moo 1, 21210, Payupnai, WangChan, Rayong, Thailand
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