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Kim HY, Jang HJ, Muthamil S, Shin UC, Lyu JH, Kim SW, Go Y, Park SH, Lee HG, Park JH. Novel insights into regulators and functional modulators of adipogenesis. Biomed Pharmacother 2024; 177:117073. [PMID: 38981239 DOI: 10.1016/j.biopha.2024.117073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 06/27/2024] [Accepted: 06/29/2024] [Indexed: 07/11/2024] Open
Abstract
Adipogenesis is a process that differentiates new adipocytes from precursor cells and is tightly regulated by several factors, including many transcription factors and various post-translational modifications. Recently, new roles of adipogenesis have been suggested in various diseases. However, the molecular mechanisms and functional modulation of these adipogenic genes remain poorly understood. This review summarizes the regulatory factors and modulators of adipogenesis and discusses future research directions to identify novel mechanisms regulating adipogenesis and the effects of adipogenic regulators in pathological conditions. The master adipogenic transcriptional factors PPARγ and C/EBPα were identified along with other crucial regulatory factors such as SREBP, Kroxs, STAT5, Wnt, FOXO1, SWI/SNF, KLFs, and PARPs. These transcriptional factors regulate adipogenesis through specific mechanisms, depending on the adipogenic stage. However, further studies related to the in vivo role of newly discovered adipogenic regulators and their function in various diseases are needed to develop new potent therapeutic strategies for metabolic diseases and cancer.
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Affiliation(s)
- Hyun-Yong Kim
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Naju, Jeollanam-do 58245, Republic of Korea; New Drug Development Center, Osong Medical Innovation Foundation, 123, Osongsaengmyeong-ro, Osong-eup, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do 28160, Republic of Korea.
| | - Hyun-Jun Jang
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Naju, Jeollanam-do 58245, Republic of Korea; Research Group of Personalized Diet, Korea Food Research Institute, Wanju-gun, Jeollabuk-do 55365, Republic of Korea.
| | - Subramanian Muthamil
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Naju, Jeollanam-do 58245, Republic of Korea.
| | - Ung Cheol Shin
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Naju, Jeollanam-do 58245, Republic of Korea.
| | - Ji-Hyo Lyu
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Naju, Jeollanam-do 58245, Republic of Korea.
| | - Seon-Wook Kim
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Naju, Jeollanam-do 58245, Republic of Korea.
| | - Younghoon Go
- Korean Medicine (KM)-application Center, Korea Institute of Oriental Medicine, Daegu 41062, Republic of Korea.
| | - Seong-Hoon Park
- Genetic and Epigenetic Toxicology Research Group, Korea Institute of Toxicology, Daejeon 34141, Republic of Korea.
| | - Hee Gu Lee
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea.
| | - Jun Hong Park
- Herbal Medicine Resources Research Center, Korea Institute of Oriental Medicine, Naju, Jeollanam-do 58245, Republic of Korea; University of Science & Technology (UST), KIOM campus, Korean Convergence Medicine Major, Daejeon 34054, Republic of Korea.
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2
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Kiefer MF, Meng Y, Yang N, Vahrenbrink M, Wulff S, Li C, Wowro SJ, Petricek KM, Sommerfeld M, Flores RE, Obermayer B, Piepelow K, Klaus S, Hartl K, Guillot A, Tacke F, Sigal M, Schupp M. Intestinal retinol saturase is implicated in the development of obesity and epithelial homeostasis upon injury. Am J Physiol Endocrinol Metab 2024; 327:E203-E216. [PMID: 38895981 DOI: 10.1152/ajpendo.00035.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 06/10/2024] [Accepted: 06/12/2024] [Indexed: 06/21/2024]
Abstract
Retinol saturase (RetSat) is an oxidoreductase involved in lipid metabolism and the cellular sensitivity to peroxides. RetSat is highly expressed in metabolic organs like the liver and adipose tissue and its global loss in mice increases body weight and adiposity. The regulation of RetSat expression and its function in the intestine are unexplored. Here, we show that RetSat is present in different segments of the digestive system, localizes to intestinal epithelial cells, and is upregulated by feeding mice high-fat diet (HFD). Intestine-specific RetSat deletion in adult mice did not affect nutrient absorption and energy homeostasis basally, but lowered body weight gain and fat mass of HFD-fed mice, potentially via increasing locomotor activity. Moreover, jejunal expression of genes related to β-oxidation and cholesterol efflux was decreased, and colonic cholesterol content was reduced upon RetSat deletion. In colitis, which we show to downregulate intestinal RetSat expression in humans and mice, RetSat ablation improved epithelial architecture of the murine colon. Thus, intestinal RetSat expression is regulated by dietary interventions and inflammation, and its loss reduces weight gain upon HFD feeding and alleviates epithelial damage upon injury.NEW & NOTEWORTHY Retinol saturase (RetSat) is an oxidoreductase with unknown function in the intestine. We found that RetSat localizes in intestinal epithelial cells and that its deletion reduced weight gain and fat mass in obese mice. In colitis, which decreased intestinal RetSat expression in humans and mice, RetSat ablation improved the epithelial architecture of the murine colon, presumably by decreasing ROS production, thus rendering RetSat a novel target for metabolic and inflammatory bowel disease.
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Affiliation(s)
- Marie F Kiefer
- Max Rubner Center (MRC) for Cardiovascular Metabolic Renal Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
- Bioanalytics Unit, Institute of Biotechnology, Technische Universität Berlin, Berlin, Germany
| | - Yueming Meng
- Max Rubner Center (MRC) for Cardiovascular Metabolic Renal Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Na Yang
- Max Rubner Center (MRC) for Cardiovascular Metabolic Renal Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Madita Vahrenbrink
- Max Rubner Center (MRC) for Cardiovascular Metabolic Renal Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Sascha Wulff
- Max Rubner Center (MRC) for Cardiovascular Metabolic Renal Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Chen Li
- Max Rubner Center (MRC) for Cardiovascular Metabolic Renal Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Sylvia J Wowro
- Max Rubner Center (MRC) for Cardiovascular Metabolic Renal Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Konstantin M Petricek
- Max Rubner Center (MRC) for Cardiovascular Metabolic Renal Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Manuela Sommerfeld
- Max Rubner Center (MRC) for Cardiovascular Metabolic Renal Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Roberto E Flores
- Max Rubner Center (MRC) for Cardiovascular Metabolic Renal Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Benedikt Obermayer
- Core Unit Bioinformatics, Berlin Institute of Health, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Karolin Piepelow
- Department of Physiology of Energy Metabolism, German Institute of Human Nutrition (DIfE) Potsdam-Rehbrücke, Nuthetal, Germany
| | - Susanne Klaus
- Department of Physiology of Energy Metabolism, German Institute of Human Nutrition (DIfE) Potsdam-Rehbrücke, Nuthetal, Germany
- Institute of Nutritional Science, University of Potsdam, Potsdam, Germany
| | - Kimberly Hartl
- Department of Hepatology and Gastroenterology, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin Institute for Medical Systems Biology (BIMSB), Berlin, Germany
| | - Adrien Guillot
- Department of Hepatology and Gastroenterology, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Frank Tacke
- Department of Hepatology and Gastroenterology, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Michael Sigal
- Department of Hepatology and Gastroenterology, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin Institute for Medical Systems Biology (BIMSB), Berlin, Germany
| | - Michael Schupp
- Max Rubner Center (MRC) for Cardiovascular Metabolic Renal Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany
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3
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Zhu S, Chen W, Masson A, Li YP. Cell signaling and transcriptional regulation of osteoblast lineage commitment, differentiation, bone formation, and homeostasis. Cell Discov 2024; 10:71. [PMID: 38956429 PMCID: PMC11219878 DOI: 10.1038/s41421-024-00689-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 05/04/2024] [Indexed: 07/04/2024] Open
Abstract
The initiation of osteogenesis primarily occurs as mesenchymal stem cells undergo differentiation into osteoblasts. This differentiation process plays a crucial role in bone formation and homeostasis and is regulated by two intricate processes: cell signal transduction and transcriptional gene expression. Various essential cell signaling pathways, including Wnt, BMP, TGF-β, Hedgehog, PTH, FGF, Ephrin, Notch, Hippo, and Piezo1/2, play a critical role in facilitating osteoblast differentiation, bone formation, and bone homeostasis. Key transcriptional factors in this differentiation process include Runx2, Cbfβ, Runx1, Osterix, ATF4, SATB2, and TAZ/YAP. Furthermore, a diverse array of epigenetic factors also plays critical roles in osteoblast differentiation, bone formation, and homeostasis at the transcriptional level. This review provides an overview of the latest developments and current comprehension concerning the pathways of cell signaling, regulation of hormones, and transcriptional regulation of genes involved in the commitment and differentiation of osteoblast lineage, as well as in bone formation and maintenance of homeostasis. The paper also reviews epigenetic regulation of osteoblast differentiation via mechanisms, such as histone and DNA modifications. Additionally, we summarize the latest developments in osteoblast biology spurred by recent advancements in various modern technologies and bioinformatics. By synthesizing these insights into a comprehensive understanding of osteoblast differentiation, this review provides further clarification of the mechanisms underlying osteoblast lineage commitment, differentiation, and bone formation, and highlights potential new therapeutic applications for the treatment of bone diseases.
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Affiliation(s)
- Siyu Zhu
- Division in Cellular and Molecular Medicine, Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, Tulane University, New Orleans, LA, USA
| | - Wei Chen
- Division in Cellular and Molecular Medicine, Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, Tulane University, New Orleans, LA, USA.
| | - Alasdair Masson
- Division in Cellular and Molecular Medicine, Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, Tulane University, New Orleans, LA, USA
| | - Yi-Ping Li
- Division in Cellular and Molecular Medicine, Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, Tulane University, New Orleans, LA, USA.
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4
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Steinhoff JS, Wagner C, Dähnhardt HE, Košić K, Meng Y, Taschler U, Pajed L, Yang N, Wulff S, Kiefer MF, Petricek KM, Flores RE, Li C, Dittrich S, Sommerfeld M, Guillou H, Henze A, Raila J, Wowro SJ, Schoiswohl G, Lass A, Schupp M. Adipocyte HSL is required for maintaining circulating vitamin A and RBP4 levels during fasting. EMBO Rep 2024; 25:2878-2895. [PMID: 38769419 PMCID: PMC11239848 DOI: 10.1038/s44319-024-00158-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 04/19/2024] [Accepted: 04/30/2024] [Indexed: 05/22/2024] Open
Abstract
Vitamin A (retinol) is distributed via the blood bound to its specific carrier protein, retinol-binding protein 4 (RBP4). Retinol-loaded RBP4 is secreted into the circulation exclusively from hepatocytes, thereby mobilizing hepatic retinoid stores that represent the major vitamin A reserves in the body. The relevance of extrahepatic retinoid stores for circulating retinol and RBP4 levels that are usually kept within narrow physiological limits is unknown. Here, we show that fasting affects retinoid mobilization in a tissue-specific manner, and that hormone-sensitive lipase (HSL) in adipose tissue is required to maintain serum concentrations of retinol and RBP4 during fasting in mice. We found that extracellular retinol-free apo-RBP4 induces retinol release by adipocytes in an HSL-dependent manner. Consistently, global or adipocyte-specific HSL deficiency leads to an accumulation of retinoids in adipose tissue and a drop of serum retinol and RBP4 during fasting, which affects retinoid-responsive gene expression in eye and kidney and lowers renal retinoid content. These findings establish a novel crosstalk between liver and adipose tissue retinoid stores for the maintenance of systemic vitamin A homeostasis during fasting.
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Affiliation(s)
- Julia S Steinhoff
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Max Rubner Center (MRC) for Cardiovascular-Metabolic-Renal Research, Berlin, Germany
| | - Carina Wagner
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
| | - Henriette E Dähnhardt
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Max Rubner Center (MRC) for Cardiovascular-Metabolic-Renal Research, Berlin, Germany
| | - Kristina Košić
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
| | - Yueming Meng
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Max Rubner Center (MRC) for Cardiovascular-Metabolic-Renal Research, Berlin, Germany
| | - Ulrike Taschler
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
| | - Laura Pajed
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
| | - Na Yang
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Max Rubner Center (MRC) for Cardiovascular-Metabolic-Renal Research, Berlin, Germany
| | - Sascha Wulff
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Max Rubner Center (MRC) for Cardiovascular-Metabolic-Renal Research, Berlin, Germany
| | - Marie F Kiefer
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Max Rubner Center (MRC) for Cardiovascular-Metabolic-Renal Research, Berlin, Germany
| | - Konstantin M Petricek
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Max Rubner Center (MRC) for Cardiovascular-Metabolic-Renal Research, Berlin, Germany
| | - Roberto E Flores
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Max Rubner Center (MRC) for Cardiovascular-Metabolic-Renal Research, Berlin, Germany
| | - Chen Li
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Max Rubner Center (MRC) for Cardiovascular-Metabolic-Renal Research, Berlin, Germany
| | - Sarah Dittrich
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Max Rubner Center (MRC) for Cardiovascular-Metabolic-Renal Research, Berlin, Germany
| | - Manuela Sommerfeld
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Max Rubner Center (MRC) for Cardiovascular-Metabolic-Renal Research, Berlin, Germany
| | - Hervé Guillou
- Toxalim (Research Center in Food Toxicology), INRAE, ENVT, INP- PURPAN, UMR 1331, UPS, Université de Toulouse, Toulouse, France
| | - Andrea Henze
- Martin Luther University Halle-Wittenberg, Institute of Agricultural and Nutritional Sciences, Halle, Germany
- Junior Research Group ProAID, Institute of Nutritional Science, University of Potsdam, Nuthetal, Germany
| | - Jens Raila
- Department of Physiology and Pathophysiology, Institute of Nutritional Science, University of Potsdam, Nuthetal, Germany
| | - Sylvia J Wowro
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Max Rubner Center (MRC) for Cardiovascular-Metabolic-Renal Research, Berlin, Germany
| | - Gabriele Schoiswohl
- Gottfried Schatz Research Center, Molecular Biology and Biochemistry, Medical University of Graz, Graz, Austria
| | - Achim Lass
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria.
- BioTechMed-Graz, Graz, Austria.
| | - Michael Schupp
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Max Rubner Center (MRC) for Cardiovascular-Metabolic-Renal Research, Berlin, Germany.
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Moscatelli F, Monda A, Messina G, Picciocchi E, Monda M, Di Padova M, Monda V, Mezzogiorno A, Dipace A, Limone P, Messina A, Polito R. Exploring the Interplay between Bone Marrow Stem Cells and Obesity. Int J Mol Sci 2024; 25:2715. [PMID: 38473961 DOI: 10.3390/ijms25052715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 02/13/2024] [Accepted: 02/19/2024] [Indexed: 03/14/2024] Open
Abstract
Obesity, a complex disorder with rising global prevalence, is a chronic, inflammatory, and multifactorial disease and it is characterized by excessive adipose tissue accumulation and associated comorbidities. Adipose tissue (AT) is an extremely diverse organ. The composition, structure, and functionality of AT are significantly influenced by characteristics specific to everyone, in addition to the variability connected to various tissue types and its location-related heterogeneity. Recent investigation has shed light on the intricate relationship between bone marrow stem cells and obesity, revealing potential mechanisms that contribute to the development and consequences of this condition. Mesenchymal stem cells within the bone marrow, known for their multipotent differentiation capabilities, play a pivotal role in adipogenesis, the process of fat cell formation. In the context of obesity, alterations in the bone marrow microenvironment may influence the differentiation of mesenchymal stem cells towards adipocytes, impacting overall fat storage and metabolic balance. Moreover, bone marrow's role as a crucial component of the immune system adds another layer of complexity to the obesity-bone marrow interplay. This narrative review summarizes the current research findings on the connection between bone marrow stem cells and obesity, highlighting the multifaceted roles of bone marrow in adipogenesis and inflammation.
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Affiliation(s)
- Fiorenzo Moscatelli
- Department of Wellbeing, Nutrition and Sport, Pegaso Telematic University, 80143 Naples, Italy
| | - Antonietta Monda
- Department of Experimental Medicine, Section of Human Physiology and Unit of Dietetics and Sports Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Giovanni Messina
- Department of Experimental Medicine, Section of Human Physiology and Unit of Dietetics and Sports Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Elisabetta Picciocchi
- Department of Experimental Medicine, Section of Human Physiology and Unit of Dietetics and Sports Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Marcellino Monda
- Department of Experimental Medicine, Section of Human Physiology and Unit of Dietetics and Sports Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Marilena Di Padova
- Department of Humanistic Studies, University of Foggia, 71100 Foggia, Italy
| | - Vincenzo Monda
- Department of Exercise Sciences and Well-Being, University of Naples "Parthenope", 80138 Naples, Italy
| | - Antonio Mezzogiorno
- Department of Mental Health, Fisics and Preventive Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Anna Dipace
- Department of Wellbeing, Nutrition and Sport, Pegaso Telematic University, 80143 Naples, Italy
| | - Pierpaolo Limone
- Department of Wellbeing, Nutrition and Sport, Pegaso Telematic University, 80143 Naples, Italy
| | - Antonietta Messina
- Department of Experimental Medicine, Section of Human Physiology and Unit of Dietetics and Sports Medicine, University of Campania "Luigi Vanvitelli", 80138 Naples, Italy
| | - Rita Polito
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy
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Luo X, Meng C, Zhang Y, Du Q, Hou C, Qiang H, Liu K, Lv Z, Li J, Liu F. MicroRNA-21a-5p-modified macrophage exosomes as natural nanocarriers promote bone regeneration by targeting GATA2. Regen Biomater 2023; 10:rbad075. [PMID: 37719929 PMCID: PMC10504470 DOI: 10.1093/rb/rbad075] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 08/03/2023] [Accepted: 08/20/2023] [Indexed: 09/19/2023] Open
Abstract
Bone immune responses based on macrophages are critical in the osteogenesis of bone abnormalities. In general, M2 macrophage facilitate the promotion of osteogenesis, as well, M1 macrophage play an important role in early bone healing, as confirmed by previous studies. However, it is not clear how M1 macrophage are involved in the bone immune response. MiR-21a-5p is a highly expressed microRNA in M1 macrophage in contrast to M2. Therefore, the current work sought to ascertain the influence of M1 macrophage on bone healing via exosomal miR-21a-5p and the probable mechanism. We discovered that injecting M1 macrophage exosomes overexpressing miR-21a-5p into bone defect locations enhanced bone regeneration in vivo. Furthermore, by directly targeting GATA2, miR-21a-5p accelerated MC3T3-E1 osteogenic differentiation. Our findings showed that exosomal miR-21a-5p from M1 macrophage may be transported to osteoblasts and target GATA2 to enhance bone defect healing.
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Affiliation(s)
- Xin Luo
- Biomaterials Laboratory, Liaocheng People’s Hospital, Liaocheng Hospital affiliated to Shandong First Medical University, Liaocheng 252000, China
| | - Chunxiu Meng
- Biomaterials Laboratory, Liaocheng People’s Hospital, Liaocheng Hospital affiliated to Shandong First Medical University, Liaocheng 252000, China
| | - Yujue Zhang
- Biomaterials Laboratory, Liaocheng People’s Hospital, Liaocheng Hospital affiliated to Shandong First Medical University, Liaocheng 252000, China
| | - Qicui Du
- Biomaterials Laboratory, Liaocheng People’s Hospital, Liaocheng Hospital affiliated to Shandong First Medical University, Liaocheng 252000, China
| | - Caiyao Hou
- Department of Materials Science and Engineering, Liaocheng University, Liaocheng 252000, China
| | - Huifen Qiang
- Department of Materials Science and Engineering, Liaocheng University, Liaocheng 252000, China
| | - Kun Liu
- Biomaterials Laboratory, Liaocheng People’s Hospital, Liaocheng Hospital affiliated to Shandong First Medical University, Liaocheng 252000, China
| | - Zhaoyong Lv
- Biomaterials Laboratory, Liaocheng People’s Hospital, Liaocheng Hospital affiliated to Shandong First Medical University, Liaocheng 252000, China
| | - Jun Li
- Biomaterials Laboratory, Liaocheng People’s Hospital, Liaocheng Hospital affiliated to Shandong First Medical University, Liaocheng 252000, China
| | - Fengzhen Liu
- Biomaterials Laboratory, Liaocheng People’s Hospital, Liaocheng Hospital affiliated to Shandong First Medical University, Liaocheng 252000, China
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7
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Aplastic Anemia as a Roadmap for Bone Marrow Failure: An Overview and a Clinical Workflow. Int J Mol Sci 2022; 23:ijms231911765. [PMID: 36233062 PMCID: PMC9569739 DOI: 10.3390/ijms231911765] [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: 09/10/2022] [Revised: 09/27/2022] [Accepted: 09/28/2022] [Indexed: 11/27/2022] Open
Abstract
In recent years, it has become increasingly apparent that bone marrow (BM) failures and myeloid malignancy predisposition syndromes are characterized by a wide phenotypic spectrum and that these diseases must be considered in the differential diagnosis of children and adults with unexplained hematopoiesis defects. Clinically, hypocellular BM failure still represents a challenge in pathobiology-guided treatment. There are three fundamental topics that emerged from our review of the existing data. An exogenous stressor, an immune defect, and a constitutional genetic defect fuel a vicious cycle of hematopoietic stem cells, immune niches, and stroma compartments. A wide phenotypic spectrum exists for inherited and acquired BM failures and predispositions to myeloid malignancies. In order to effectively manage patients, it is crucial to establish the right diagnosis. New theragnostic windows can be revealed by exploring BM failure pathomechanisms.
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8
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Steinhoff JS, Wagner C, Taschler U, Wulff S, Kiefer MF, Petricek KM, Wowro SJ, Oster M, Flores RE, Yang N, Li C, Meng Y, Sommerfeld M, Weger S, Henze A, Raila J, Lass A, Schupp M. Acute retinol mobilization by retinol-binding protein 4 in mouse liver induces fibroblast growth factor 21 expression. J Lipid Res 2022; 63:100268. [PMID: 36030930 PMCID: PMC9493389 DOI: 10.1016/j.jlr.2022.100268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/19/2022] [Accepted: 08/20/2022] [Indexed: 11/22/2022] Open
Abstract
Hepatocytes secrete retinol-binding protein 4 (RBP4) into circulation, thereby mobilizing vitamin A from the liver to provide retinol for extrahepatic tissues. Obesity and insulin resistance are associated with elevated RBP4 levels in the blood. However, in a previous study, we observed that chronically increased RBP4 by forced Rbp4 expression in the liver does not impair glucose homeostasis in mice. Here, we investigated the effects of an acute mobilization of hepatic vitamin A stores by hepatic overexpression of RBP4 in mice. We show that hepatic retinol mobilization decreases body fat content and enhances fat turnover. Mechanistically, we found that acute retinol mobilization increases hepatic expression and serum levels of fibroblast growth factor 21 (FGF21), which is regulated by retinol mobilization and retinoic acid in primary hepatocytes. Moreover, we provide evidence that the insulin-sensitizing effect of FGF21 is associated with organ-specific adaptations in retinoid homeostasis. Taken together, our findings identify a novel crosstalk between retinoid homeostasis and FGF21 in mice with acute RBP4-mediated retinol mobilization from the liver.
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Affiliation(s)
- Julia S Steinhoff
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Berlin, Germany
| | - Carina Wagner
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
| | - Ulrike Taschler
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
| | - Sascha Wulff
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Berlin, Germany
| | - Marie F Kiefer
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Berlin, Germany
| | - Konstantin M Petricek
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Berlin, Germany
| | - Sylvia J Wowro
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Berlin, Germany
| | - Moritz Oster
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Berlin, Germany
| | - Roberto E Flores
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Berlin, Germany
| | - Na Yang
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Berlin, Germany
| | - Chen Li
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Berlin, Germany
| | - Yueming Meng
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Berlin, Germany
| | - Manuela Sommerfeld
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Berlin, Germany
| | - Stefan Weger
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Virology, Campus Benjamin Franklin, Berlin, Germany
| | - Andrea Henze
- Martin Luther University Halle-Wittenberg, Institute of Agricultural and Nutritional Sciences, Halle, Germany; Junior Research Group ProAID, Institute of Nutritional Science, University of Potsdam, Nuthetal, Germany
| | - Jens Raila
- Department of Physiology and Pathophysiology, Institute of Nutritional Science, University of Potsdam, Nuthetal, Germany
| | - Achim Lass
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria; BioTechMed-Graz, Graz, Austria
| | - Michael Schupp
- Charité Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Pharmacology, Berlin, Germany.
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9
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Oster M, Galhuber M, Krstic J, Steinhoff JS, Lenihan-Geels G, Wulff S, Kiefer MF, Petricek KM, Wowro SJ, Flores RE, Yang N, Li C, Meng Y, Reinisch I, Sommerfeld M, Weger S, Habisch H, Madl T, Schulz TJ, Prokesch A, Schupp M. Hepatic p53 is regulated by transcription factor FOXO1 and acutely controls glycogen homeostasis. J Biol Chem 2022; 298:102287. [PMID: 35868560 PMCID: PMC9399478 DOI: 10.1016/j.jbc.2022.102287] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 07/11/2022] [Accepted: 07/12/2022] [Indexed: 11/27/2022] Open
Abstract
The tumor suppressor p53 is involved in the adaptation of hepatic metabolism to nutrient availability. Acute deletion of p53 in the mouse liver affects hepatic glucose and triglyceride metabolism. However, long-term adaptations upon the loss of hepatic p53 and its transcriptional regulators are unknown. Here we show that short-term, but not chronic, liver-specific deletion of p53 in mice reduces liver glycogen levels, and we implicate the transcription factor forkhead box O1 protein (FOXO1) in the regulation of p53 and its target genes. We demonstrate that acute p53 deletion prevents glycogen accumulation upon refeeding, whereas a chronic loss of p53 associates with a compensational activation of the glycogen synthesis pathway. Moreover, we identify fasting-activated FOXO1 as a repressor of p53 transcription in hepatocytes. We show that this repression is relieved by inactivation of FOXO1 by insulin, which likely mediates the upregulation of p53 expression upon refeeding. Strikingly, we find that high-fat diet–induced insulin resistance with persistent FOXO1 activation not only blunted the regulation of p53 but also the induction of p53 target genes like p21 during fasting, indicating overlapping effects of both FOXO1 and p53 on target gene expression in a context-dependent manner. Thus, we conclude that p53 acutely controls glycogen storage in the liver and is linked to insulin signaling via FOXO1, which has important implications for our understanding of the hepatic adaptation to nutrient availability.
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Affiliation(s)
- Moritz Oster
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Institute of Pharmacology, Cardiovascular Metabolic Renal (CMR)- Research Center, Berlin, Germany
| | - Markus Galhuber
- Gottfried Schatz Research Center for Cell Signaling, Metabolism & Aging, Division of Cell Biology, Histology and Embryology, Medical University of Graz, Graz, Austria
| | - Jelena Krstic
- Gottfried Schatz Research Center for Cell Signaling, Metabolism & Aging, Division of Cell Biology, Histology and Embryology, Medical University of Graz, Graz, Austria
| | - Julia S Steinhoff
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Institute of Pharmacology, Cardiovascular Metabolic Renal (CMR)- Research Center, Berlin, Germany
| | - Georgia Lenihan-Geels
- Department of Adipocyte Development and Nutrition, German Institute of Human Nutrition Potsdam-Rehbrücke, Nuthetal, Germany
| | - Sascha Wulff
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Institute of Pharmacology, Cardiovascular Metabolic Renal (CMR)- Research Center, Berlin, Germany
| | - Marie F Kiefer
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Institute of Pharmacology, Cardiovascular Metabolic Renal (CMR)- Research Center, Berlin, Germany
| | - Konstantin M Petricek
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Institute of Pharmacology, Cardiovascular Metabolic Renal (CMR)- Research Center, Berlin, Germany
| | - Sylvia J Wowro
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Institute of Pharmacology, Cardiovascular Metabolic Renal (CMR)- Research Center, Berlin, Germany
| | - Roberto E Flores
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Institute of Pharmacology, Cardiovascular Metabolic Renal (CMR)- Research Center, Berlin, Germany
| | - Na Yang
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Institute of Pharmacology, Cardiovascular Metabolic Renal (CMR)- Research Center, Berlin, Germany
| | - Chen Li
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Institute of Pharmacology, Cardiovascular Metabolic Renal (CMR)- Research Center, Berlin, Germany
| | - Yueming Meng
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Institute of Pharmacology, Cardiovascular Metabolic Renal (CMR)- Research Center, Berlin, Germany
| | - Isabel Reinisch
- Gottfried Schatz Research Center for Cell Signaling, Metabolism & Aging, Division of Cell Biology, Histology and Embryology, Medical University of Graz, Graz, Austria
| | - Manuela Sommerfeld
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Institute of Pharmacology, Cardiovascular Metabolic Renal (CMR)- Research Center, Berlin, Germany
| | - Stefan Weger
- Charité-Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, Institute of Virology, Campus Benjamin Franklin, Berlin, Germany
| | - Hansjörg Habisch
- Institute of Molecular Biology and Biochemistry, Medical University Graz, Austria
| | - Tobias Madl
- Institute of Molecular Biology and Biochemistry, Medical University Graz, Austria
| | - Tim J Schulz
- Department of Adipocyte Development and Nutrition, German Institute of Human Nutrition Potsdam-Rehbrücke, Nuthetal, Germany; German Center for Diabetes Research (DZD), München-Neuherberg, Germany; Institute of Nutritional Science, University of Potsdam, Potsdam-Rehbrücke, Nuthetal, Germany
| | - Andreas Prokesch
- Gottfried Schatz Research Center for Cell Signaling, Metabolism & Aging, Division of Cell Biology, Histology and Embryology, Medical University of Graz, Graz, Austria
| | - Michael Schupp
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Institute of Pharmacology, Cardiovascular Metabolic Renal (CMR)- Research Center, Berlin, Germany.
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10
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Heterozygous variants in GATA2 contribute to DCML deficiency in mice by disrupting tandem protein binding. Commun Biol 2022; 5:376. [PMID: 35440757 PMCID: PMC9018821 DOI: 10.1038/s42003-022-03316-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 03/23/2022] [Indexed: 12/11/2022] Open
Abstract
Accumulating lines of clinical evidence support the emerging hypothesis that loss-of-function mutations of GATA2 cause inherited hematopoietic diseases, including Emberger syndrome; dendritic cell, monocyte B and NK lymphoid (DCML) deficiency; and MonoMAC syndrome. Here, we show that mice heterozygous for an arginine-to-tryptophan substitution mutation in GATA2 (G2R398W/+), which was found in a patient with DCML deficiency, substantially phenocopy human DCML deficiency. Mice heterozygous for the GATA2-null mutation (G2-/+) do not show such phenotypes. The G2R398W protein possesses a decreased DNA-binding affinity but obstructs the function of coexpressed wild-type GATA2 through specific cis-regulatory regions, which contain two GATA motifs in direct-repeat arrangements. In contrast, G2R398W is innocuous in mice containing single GATA motifs. We conclude that the dominant-negative effect of mutant GATA2 on wild-type GATA2 through specific enhancer/silencer of GATA2 target genes perturbs the GATA2 transcriptional network, leading to the development of the DCML-like phenotype. The present mouse model provides an avenue for the understanding of molecular mechanisms underlying the pathogenesis of GATA2-related hematopoietic diseases.
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11
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Holick MF, Shirvani A, Charoenngam N. Fetal Fractures in an Infant with Maternal Ehlers-Danlos Syndrome, CCDC134 Pathogenic Mutation and a Negative Genetic Test for Osteogenesis Imperfecta. CHILDREN-BASEL 2021; 8:children8060512. [PMID: 34204301 PMCID: PMC8235512 DOI: 10.3390/children8060512] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 06/02/2021] [Accepted: 06/03/2021] [Indexed: 12/12/2022]
Abstract
Intrauterine fractures are a rare clinical finding caused by abnormal early-life osteogenesis. In this case report, we reported a male infant with twenty-three intrauterine/fetal fractures resembling osteogenesis imperfecta and tested negative for COL1A1 and COL1A2 mutations. The infant’s mother had Ehlers–Danlos syndrome, hypermobility type. Whole-genome sequencing revealed that there were no pathologic mutations previously documented to be associated with intrauterine fracture. Genetic mutations reported to be associated with fragility fractures were identified. These include the pathogenic homozygous mutation in the CCDC134 gene. Other genetic variants that might be responsible for variable expressivity of the skeletal manifestation include the homozygous variants of the genes CCDC134, COL15A1 and ZFPM1, and the heterozygous variants of the genes MYH3, BCHE, AUTS2. This is the first reported case of in utero fractures, that was confirmed by X-ray after birth, in an infant who had no genetic evidence for osteogenesis imperfecta, had a homozygous pathogenic mutation of an osteogenesis gene and whose mother had Ehlers-Danlos syndrome hypermobility type. Therefore, we have identified a new genetic cause for in utero fractures. If after birth, this infant were found to have these fractures in various stages of healing with a negative genetic test for osteogenesis imperfecta he would have been misdiagnosed as due to nonaccidental trauma.
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Affiliation(s)
- Michael F. Holick
- Section Endocrinology, Diabetes, Nutrition and Weight Management, Department of Medicine, Boston University School of Medicine, Boston, MA 02118, USA; (A.S.); (N.C.)
- Correspondence: ; Tel.: +1-617-358-6139
| | - Arash Shirvani
- Section Endocrinology, Diabetes, Nutrition and Weight Management, Department of Medicine, Boston University School of Medicine, Boston, MA 02118, USA; (A.S.); (N.C.)
| | - Nipith Charoenngam
- Section Endocrinology, Diabetes, Nutrition and Weight Management, Department of Medicine, Boston University School of Medicine, Boston, MA 02118, USA; (A.S.); (N.C.)
- Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
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12
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Yang CY, Lu RJH, Lee MK, Hsiao FSH, Yen YP, Cheng CC, Hsu PS, Tsai YT, Chen SK, Liu IH, Chen PY, Lin SP. Transcriptome Analysis of Dnmt3l Knock-Out Mice Derived Multipotent Mesenchymal Stem/Stromal Cells During Osteogenic Differentiation. Front Cell Dev Biol 2021; 9:615098. [PMID: 33718357 PMCID: PMC7947861 DOI: 10.3389/fcell.2021.615098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 02/01/2021] [Indexed: 01/01/2023] Open
Abstract
Multipotent mesenchymal stem/stromal cells (MSCs) exhibit great potential for cell-based therapy. Proper epigenomic signatures in MSCs are important for the maintenance and the subsequent differentiation potential. The DNA methyltransferase 3-like (DNMT3L) that was mainly expressed in the embryonic stem (ES) cells and the developing germ cells plays an important role in shaping the epigenetic landscape. Here, we report the reduced colony forming ability and impaired in vitro osteogenesis in Dnmt3l-knockout-mice-derived MSCs (Dnmt3l KO MSCs). By comparing the transcriptome between undifferentiated Dnmt3l KO MSCs and the MSCs from the wild-type littermates, some of the differentially regulated genes (DEGs) were found to be associated with bone-morphology-related phenotypes. On the third day of osteogenic induction, differentiating Dnmt3l KO MSCs were enriched for genes associated with nucleosome structure, peptide binding and extracellular matrix modulation. Differentially expressed transposable elements in many subfamilies reflected the change of corresponding regional epigenomic signatures. Interestingly, DNMT3L protein is not expressed in cultured MSCs. Therefore, the observed defects in Dnmt3l KO MSCs are unlikely a direct effect from missing DNMT3L in this cell type; instead, we hypothesized them as an outcome of the pre-deposited epigenetic signatures from the DNMT3L-expressing progenitors. We observed that 24 out of the 107 upregulated DEGs in Dnmt3l KO MSCs were hypermethylated in their gene bodies of DNMT3L knock-down ES cells. Among these 24 genes, some were associated with skeletal development or homeostasis. However, we did not observe reduced bone development, or reduced bone density through aging in vivo. The stronger phenotype in vitro suggested the involvement of potential spreading and amplification of the pre-deposited epigenetic defects over passages, and the contribution of oxidative stress during in vitro culture. We demonstrated that transient deficiency of epigenetic co-factor in ES cells or progenitor cells caused compromised property in differentiating cells much later. In order to facilitate safer practice in cell-based therapy, we suggest more in-depth examination shall be implemented for cells before transplantation, even on the epigenetic level, to avoid long-term risk afterward.
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Affiliation(s)
- Chih-Yi Yang
- Institute of Biotechnology, National Taiwan University, Taipei, Taiwan
| | - Rita Jui-Hsien Lu
- Institute of Plant and Microbial Biology, Academia Sinica, Taipei, Taiwan.,Department of Medicine, Washington University in St. Louis, St. Louis, MO, United States
| | - Ming-Kang Lee
- Institute of Biotechnology, National Taiwan University, Taipei, Taiwan
| | - Felix Shih-Hsian Hsiao
- Institute of Biotechnology, National Taiwan University, Taipei, Taiwan.,Department of Animal Science and Biotechnology, Tunghai University, Taichung, Taiwan
| | - Ya-Ping Yen
- Institute of Biotechnology, National Taiwan University, Taipei, Taiwan.,Institute of Molecular Biology, Academia Sinica, Taipei, Taiwan
| | - Chun-Chun Cheng
- Institute of Biotechnology, National Taiwan University, Taipei, Taiwan
| | - Pu-Sheng Hsu
- Institute of Biotechnology, National Taiwan University, Taipei, Taiwan
| | - Yi-Tzang Tsai
- Institute of Biotechnology, National Taiwan University, Taipei, Taiwan
| | - Shih-Kuo Chen
- Department of Life Sciences, National Taiwan University, Taipei, Taiwan
| | - I-Hsuan Liu
- Department of Animal Science and Technology, National Taiwan University, Taipei, Taiwan
| | - Pao-Yang Chen
- Institute of Plant and Microbial Biology, Academia Sinica, Taipei, Taiwan
| | - Shau-Ping Lin
- Institute of Biotechnology, National Taiwan University, Taipei, Taiwan.,Agricultural Biotechnology Research Center, Academia Sinica, Taipei, Taiwan.,Center for Systems Biology, National Taiwan University, Taipei, Taiwan.,Research Center for Developmental Biology and Regenerative Medicine, National Taiwan University, Taipei, Taiwan
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13
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Heidenreich S, Weber P, Stephanowitz H, Petricek KM, Schütte T, Oster M, Salo AM, Knauer M, Goehring I, Yang N, Witte N, Schumann A, Sommerfeld M, Muenzner M, Myllyharju J, Krause E, Schupp M. The glucose-sensing transcription factor ChREBP is targeted by proline hydroxylation. J Biol Chem 2020; 295:17158-17168. [PMID: 33023907 PMCID: PMC7863887 DOI: 10.1074/jbc.ra120.014402] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 09/24/2020] [Indexed: 01/25/2023] Open
Abstract
Cellular energy demands are met by uptake and metabolism of nutrients like glucose. The principal transcriptional regulator for adapting glycolytic flux and downstream pathways like de novo lipogenesis to glucose availability in many cell types is carbohydrate response element-binding protein (ChREBP). ChREBP is activated by glucose metabolites and post-translational modifications, inducing nuclear accumulation and regulation of target genes. Here we report that ChREBP is modified by proline hydroxylation at several residues. Proline hydroxylation targets both ectopically expressed ChREBP in cells and endogenous ChREBP in mouse liver. Functionally, we found that specific hydroxylated prolines were dispensable for protein stability but required for the adequate activation of ChREBP upon exposure to high glucose. Accordingly, ChREBP target gene expression was rescued by re-expressing WT but not ChREBP that lacks hydroxylated prolines in ChREBP-deleted hepatocytes. Thus, proline hydroxylation of ChREBP is a novel post-translational modification that may allow for therapeutic interference in metabolic diseases.
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Affiliation(s)
- Steffi Heidenreich
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Berlin, Germany
| | - Pamela Weber
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Berlin, Germany
| | - Heike Stephanowitz
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie, Berlin, Germany
| | - Konstantin M Petricek
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Berlin, Germany
| | - Till Schütte
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Berlin, Germany
| | - Moritz Oster
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Berlin, Germany
| | - Antti M Salo
- Oulu Center for Cell-Matrix Research, Biocenter Oulu, Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Miriam Knauer
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Berlin, Germany
| | - Isabel Goehring
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Berlin, Germany
| | - Na Yang
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Berlin, Germany
| | - Nicole Witte
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Berlin, Germany
| | - Anne Schumann
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Berlin, Germany
| | - Manuela Sommerfeld
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Berlin, Germany
| | - Matthias Muenzner
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Berlin, Germany
| | - Johanna Myllyharju
- Oulu Center for Cell-Matrix Research, Biocenter Oulu, Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Eberhard Krause
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie, Berlin, Germany
| | - Michael Schupp
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Berlin, Germany.
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14
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Amarnani AA, Poladian KR, Marciano BE, Daub JR, Williams SG, Livinski AA, Hsu AP, Palmer CL, Kenney CM, Avila DN, Holland SM, Katz JD. A Panoply of Rheumatological Manifestations in Patients with GATA2 Deficiency. Sci Rep 2020; 10:8305. [PMID: 32433473 PMCID: PMC7239896 DOI: 10.1038/s41598-020-64852-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 04/23/2020] [Indexed: 12/01/2022] Open
Abstract
PURPOSE To characterize rheumatological manifestations of GATA2 deficiency. METHODS Single-center, retrospective review of 157 patients with GATA2 deficiency. Disease course, laboratory results, and imaging findings were extracted. In-person rheumatological assessments were performed on selected, available patients. A literature search of four databases was conducted to identify additional cases. RESULTS Rheumatological findings were identified in 28 patients, out of 157 cases reviewed (17.8%). Twenty-two of those patients (78.6%) reported symptom onset prior to or in conjunction with the molecular diagnosis of GATA2 deficiency. Notable rheumatological manifestations included: piezogenic pedal papules (PPP), joint hyperextensibility, early onset osteoarthritis, ankylosing spondylitis, and seronegative erosive rheumatoid arthritis. In peripheral blood of patients with rheumatological manifestations and GATA2 deficiency, CD4+ CD3+ helper T cells and naïve CD3+ CD4+ CD62L+ CD45RA+ helper T cell subpopulation fractions were significantly lower, while CD8+ cytotoxic T cell fractions were significantly higher, compared to those without rheumatological manifestations and with GATA2 deficiency. No changes in CD19, CD3, or NK populations were observed. CONCLUSION GATA2 deficiency is associated with a broad spectrum of rheumatological disease manifestations. Low total helper T lymphocyte proportions and low naïve helper T cell proportions are associated with those most at risk of overt rheumatological manifestations. Further, PPP and joint hyperextensibility may explain some of the nonimmunologically-mediated joint problems encountered in patients with GATA2 deficiency. This catalogue suggests that rheumatological manifestations and immune dysregulation are relatively common in GATA2 deficiency.
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Affiliation(s)
- Abhimanyu A Amarnani
- Office of the Clinical Director, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA.
- SUNY Downstate Health Sciences University, College of Medicine and School of Graduate Studies, Brooklyn, USA.
- Department of Medicine, Los Angeles County + University of Southern California Medical Center and University of Southern California Keck School of Medicine, Los Angeles, CA 90033, USA.
| | - Katlin R Poladian
- Office of the Clinical Director, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Beatriz E Marciano
- National Institute of Allergy and Infectious Diseases, Intramural Research Program, National Institutes of Health, Bethesda, Maryland, USA
| | - Janine R Daub
- National Institute of Allergy and Infectious Diseases, Intramural Research Program, National Institutes of Health, Bethesda, Maryland, USA
| | - Sandra G Williams
- Office of the Clinical Director, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Alicia A Livinski
- National Institutes of Health Library, Division of Library Services, Office of Research Services, OD, NIH, Bethesda, Maryland, USA
| | - Amy P Hsu
- National Institute of Allergy and Infectious Diseases, Intramural Research Program, National Institutes of Health, Bethesda, Maryland, USA
| | - Cindy L Palmer
- National Institute of Allergy and Infectious Diseases, Intramural Research Program, National Institutes of Health, Bethesda, Maryland, USA
| | - Cara M Kenney
- National Cancer Institute, Center for Cancer Research, Office of the Clinical Director, National Institutes of Health, Bethesda, Maryland, USA
| | - Daniele N Avila
- National Cancer Institute, Center for Cancer Research, Office of the Clinical Director, National Institutes of Health, Bethesda, Maryland, USA
| | - Steven M Holland
- National Institute of Allergy and Infectious Diseases, Intramural Research Program, National Institutes of Health, Bethesda, Maryland, USA
| | - James D Katz
- Office of the Clinical Director, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA
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15
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Yuan Y, Fang Y, Zhu L, Gu Y, Li L, Qian J, Zhao R, Zhang P, Li J, Zhang H, Yuan N, Zhang S, Ma Q, Wang J, Xu Y. Deterioration of hematopoietic autophagy is linked to osteoporosis. Aging Cell 2020; 19:e13114. [PMID: 32212304 PMCID: PMC7253060 DOI: 10.1111/acel.13114] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 11/24/2019] [Accepted: 01/25/2020] [Indexed: 12/18/2022] Open
Abstract
Hematopoietic disorders are known to increase the risk of complications such as osteoporosis. However, a direct link between hematopoietic cellular disorders and osteoporosis has been elusive. Here, we demonstrate that the deterioration of hematopoietic autophagy is coupled with osteoporosis in humans. With a conditional mouse model in which autophagy in the hematopoietic system is disrupted by deletion of the Atg7 gene, we show that incapacitating hematopoietic autophagy causes bone loss and perturbs osteocyte homeostasis. Induction of osteoporosis, either by ovariectomy, which blocks estrogen secretion, or by injection of ferric ammonium citrate to induce iron overload, causes dysfunction in the hematopoietic stem and progenitor cells (HSPCs) similar to that found in autophagy‐defective mice. Transcriptomic analysis of HSPCs suggests promotion of iron activity and inhibition of osteocyte differentiation and calcium metabolism by hematopoietic autophagy defect, while proteomic profiling of bone tissue proteins indicates disturbance of the extracellular matrix pathway that includes collagen family members. Finally, screening for expression of selected genes and an immunohistological assay identifies severe impairments in H vessels in the bone tissue, which results in disconnection of osteocytes from hematopoietic cells in the autophagy‐defective mice. We therefore propose that hematopoietic autophagy is required for the integrity of H vessels that bridge blood and bone cells and that its deterioration leads to osteoporosis.
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Affiliation(s)
- Ye Yuan
- Department of Orthopaedics the Second Affiliated Hospital of Soochow University Suzhou China
- Osteoporosis Institute of Soochow University Suzhou China
| | - Yixuan Fang
- Research Center for Non‐medical Healthcare of Soochow University & Beijing Yaozhongtang Cyrus Tang Medical Institute Soochow University School of Medicine Suzhou China
- Hematology Center Cyrus Tang Medical Institute Soochow University School of Medicine Suzhou China
- Collaborative Innovation Center of Hematology Jiangsu Institute of Hematology Institute of Blood and Marrow Transplantation Institute of Neuroscience Key Laboratory of Stem Cells and Biomedical Materials of Jiangsu Province and Chinese Ministry of Science and Technology State Key Laboratory of Radiation Medicine and Radioprotection Soochow University School of Medicine Suzhou China
| | - Lingjiang Zhu
- Research Center for Non‐medical Healthcare of Soochow University & Beijing Yaozhongtang Cyrus Tang Medical Institute Soochow University School of Medicine Suzhou China
| | - Yue Gu
- Research Center for Non‐medical Healthcare of Soochow University & Beijing Yaozhongtang Cyrus Tang Medical Institute Soochow University School of Medicine Suzhou China
| | - Lei Li
- Research Center for Non‐medical Healthcare of Soochow University & Beijing Yaozhongtang Cyrus Tang Medical Institute Soochow University School of Medicine Suzhou China
| | - Jiawei Qian
- Research Center for Non‐medical Healthcare of Soochow University & Beijing Yaozhongtang Cyrus Tang Medical Institute Soochow University School of Medicine Suzhou China
| | - Ruijin Zhao
- Research Center for Non‐medical Healthcare of Soochow University & Beijing Yaozhongtang Cyrus Tang Medical Institute Soochow University School of Medicine Suzhou China
| | - Peng Zhang
- Department of Orthopaedics the Second Affiliated Hospital of Soochow University Suzhou China
- Osteoporosis Institute of Soochow University Suzhou China
| | - Jian Li
- Department of Orthopaedics the Second Affiliated Hospital of Soochow University Suzhou China
- Osteoporosis Institute of Soochow University Suzhou China
| | - Hui Zhang
- Department of Orthopaedics the Second Affiliated Hospital of Soochow University Suzhou China
- Osteoporosis Institute of Soochow University Suzhou China
| | - Na Yuan
- Research Center for Non‐medical Healthcare of Soochow University & Beijing Yaozhongtang Cyrus Tang Medical Institute Soochow University School of Medicine Suzhou China
- Hematology Center Cyrus Tang Medical Institute Soochow University School of Medicine Suzhou China
- Collaborative Innovation Center of Hematology Jiangsu Institute of Hematology Institute of Blood and Marrow Transplantation Institute of Neuroscience Key Laboratory of Stem Cells and Biomedical Materials of Jiangsu Province and Chinese Ministry of Science and Technology State Key Laboratory of Radiation Medicine and Radioprotection Soochow University School of Medicine Suzhou China
| | - Suping Zhang
- Research Center for Non‐medical Healthcare of Soochow University & Beijing Yaozhongtang Cyrus Tang Medical Institute Soochow University School of Medicine Suzhou China
- Hematology Center Cyrus Tang Medical Institute Soochow University School of Medicine Suzhou China
- Collaborative Innovation Center of Hematology Jiangsu Institute of Hematology Institute of Blood and Marrow Transplantation Institute of Neuroscience Key Laboratory of Stem Cells and Biomedical Materials of Jiangsu Province and Chinese Ministry of Science and Technology State Key Laboratory of Radiation Medicine and Radioprotection Soochow University School of Medicine Suzhou China
| | - Quanhong Ma
- Collaborative Innovation Center of Hematology Jiangsu Institute of Hematology Institute of Blood and Marrow Transplantation Institute of Neuroscience Key Laboratory of Stem Cells and Biomedical Materials of Jiangsu Province and Chinese Ministry of Science and Technology State Key Laboratory of Radiation Medicine and Radioprotection Soochow University School of Medicine Suzhou China
| | - Jianrong Wang
- Research Center for Non‐medical Healthcare of Soochow University & Beijing Yaozhongtang Cyrus Tang Medical Institute Soochow University School of Medicine Suzhou China
- Hematology Center Cyrus Tang Medical Institute Soochow University School of Medicine Suzhou China
- Collaborative Innovation Center of Hematology Jiangsu Institute of Hematology Institute of Blood and Marrow Transplantation Institute of Neuroscience Key Laboratory of Stem Cells and Biomedical Materials of Jiangsu Province and Chinese Ministry of Science and Technology State Key Laboratory of Radiation Medicine and Radioprotection Soochow University School of Medicine Suzhou China
| | - Youjia Xu
- Department of Orthopaedics the Second Affiliated Hospital of Soochow University Suzhou China
- Osteoporosis Institute of Soochow University Suzhou China
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Benova A, Tencerova M. Obesity-Induced Changes in Bone Marrow Homeostasis. Front Endocrinol (Lausanne) 2020; 11:294. [PMID: 32477271 PMCID: PMC7235195 DOI: 10.3389/fendo.2020.00294] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 04/20/2020] [Indexed: 12/24/2022] Open
Abstract
Obesity is characterized by low-grade inflammation, which is accompanied by increased accumulation of immune cells in peripheral tissues including adipose tissue (AT), skeletal muscle, liver and pancreas, thereby impairing their primary metabolic functions in the regulation of glucose homeostasis. Obesity has also shown to have a detrimental effect on bone homeostasis by altering bone marrow and hematopoietic stem cell differentiation and thus impairing bone integrity and immune cell properties. The origin of immune cells arises in the bone marrow, which has been shown to be affected with the obesogenic condition via increased cellularity and shifting differentiation and function of hematopoietic and bone marrow mesenchymal stem cells in favor of myeloid progenitors and increased bone marrow adiposity. These obesity-induced changes in the bone marrow microenvironment lead to dramatic bone marrow remodeling and compromising immune cell functions, which in turn affect systemic inflammatory conditions and regulation of whole-body metabolism. However, there is limited information on the inflammatory secretory factors creating the bone marrow microenvironment and how these factors changed during metabolic complications. This review summarizes recent findings on inflammatory and cellular changes in the bone marrow in relation to obesity and further discuss whether dietary intervention or physical activity may have beneficial effects on the bone marrow microenvironment and whole-body metabolism.
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Ishijima Y, Ohmori S, Uneme A, Aoki Y, Kobori M, Ohida T, Arai M, Hosaka M, Ohneda K. The Gata2 repression during 3T3-L1 preadipocyte differentiation is dependent on a rapid decrease in histone acetylation in response to glucocorticoid receptor activation. Mol Cell Endocrinol 2019; 483:39-49. [PMID: 30615908 DOI: 10.1016/j.mce.2019.01.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 12/27/2018] [Accepted: 01/03/2019] [Indexed: 12/20/2022]
Abstract
The transcription factor GATA2 is an anti-adipogenic factor whose expression is downregulated during adipocyte differentiation. The present study attempted to clarify the molecular mechanism underlying the GATA2 repression and found that the repression is dependent on the activation of the glucocorticoid receptor (GR) during 3T3-L1 preadipocyte differentiation. Although several recognition sequences for GR were found in both the proximal and distal regions of the Gata2 locus, the promoter activity was not affected by the GR activation in the reporter assays, and the CRISPR-Cas9-mediated deletion of the two distal regions of the Gata2 locus was not involved in the GR-mediated Gata2 repression. Notably, the level of histone acetylation was markedly reduced at the Gata2 locus during 3T3-L1 differentiation, and the GR-mediated Gata2 repression was significantly relieved by histone deacetylase inhibition. These results suggest that GR regulates the Gata2 gene by reducing histone acetylation in the early phase of adipogenesis.
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Affiliation(s)
- Yasushi Ishijima
- Department of Pharmacy, Faculty of Pharmacy, Takasaki University of Health and Welfare, Takasaki, Japan
| | - Shin'ya Ohmori
- Department of Pharmacy, Faculty of Pharmacy, Takasaki University of Health and Welfare, Takasaki, Japan
| | - Ai Uneme
- Department of Pharmacy, Faculty of Pharmacy, Takasaki University of Health and Welfare, Takasaki, Japan
| | - Yusuke Aoki
- Department of Pharmacy, Faculty of Pharmacy, Takasaki University of Health and Welfare, Takasaki, Japan
| | - Miki Kobori
- Department of Pharmacy, Faculty of Pharmacy, Takasaki University of Health and Welfare, Takasaki, Japan
| | - Terutoshi Ohida
- Department of Pharmacy, Faculty of Pharmacy, Takasaki University of Health and Welfare, Takasaki, Japan
| | - Momoko Arai
- Department of Pharmacy, Faculty of Pharmacy, Takasaki University of Health and Welfare, Takasaki, Japan
| | - Misa Hosaka
- Department of Pharmacy, Faculty of Pharmacy, Takasaki University of Health and Welfare, Takasaki, Japan
| | - Kinuko Ohneda
- Department of Pharmacy, Faculty of Pharmacy, Takasaki University of Health and Welfare, Takasaki, Japan.
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