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Desiderio A, Pastorino M, Campitelli M, Prevenzano I, De Palma FDE, Spinelli R, Parrillo L, Longo M, Milone M, Miele C, Raciti GA, Beguinot F. Hypomethylation at PANDAR promoter progressively induces senescence in adipocyte precursor cells in subjects with obesity and type 2 diabetes. FASEB J 2024; 38:e70093. [PMID: 39373976 DOI: 10.1096/fj.202401470r] [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: 06/28/2024] [Revised: 09/12/2024] [Accepted: 09/23/2024] [Indexed: 10/08/2024]
Abstract
The risk of developing type 2 diabetes (T2D) is heterogeneous among individuals with obesity. Functional decline of adipocyte precursor cells (APCs) and accumulation of senescent cells in the subcutaneous adipose tissue contributes to the progression toward T2D. LncRNAs regulate cell senescence and may be implicated in determining this abnormality in APCs. Here, we report that APCs from individuals with obesity show a gradual increase in multiple senescence markers, which worsens in parallel with the progression from normal glucose tolerance (NGT) to impaired glucose tolerance (IGT) or T2D. Transcriptomic analysis identified PANDAR as the top-ranked lncRNA differentially expressed in APCs from individuals with obesity and T2D and non-obese subjects. Q-PCR confirmed PANDAR up-regulation in APCs from individuals with obesity, at progressively increased levels in those who developed, respectively, IGT and T2D. Bisulfite sequencing and luciferase assays revealed that, in parallel with glucose tolerance deterioration, the -1317 CpG at the PANDAR promoter became hypo-methylated in obesity, resulting in enhanced PANDAR induction by p53. PANDAR silencing in senescent APCs from individuals with obesity and T2D caused repression of senescence programs and cell cycle re-entry. PANDAR transcription in white blood cells (WBCs) mirrored that in APCs. Also, individuals with obesity exhibited rescue of PANDAR transcription in WBCs following bariatric surgery, accompanied by enhanced methylation at the regulatory PANDAR -1317 CpG. In conclusion, PANDAR dysregulation is a newly identified mechanism determining the early senescence of APCs from individuals with obesity, which worsens along the progression toward T2D. In the future, PANDAR targeting may represent a valuable strategy to delay this progression.
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Affiliation(s)
- Antonella Desiderio
- Department of Translational Medicine, Federico II University of Naples, Naples, Italy
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
| | - Monica Pastorino
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
- Department of Molecular Medicine and Biotechnology, Federico II University of Naples, Naples, Italy
| | - Michele Campitelli
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
| | - Immacolata Prevenzano
- Department of Translational Medicine, Federico II University of Naples, Naples, Italy
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
| | | | - Rosa Spinelli
- Department of Translational Medicine, Federico II University of Naples, Naples, Italy
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
| | - Luca Parrillo
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
| | - Michele Longo
- Department of Translational Medicine, Federico II University of Naples, Naples, Italy
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
| | - Marco Milone
- Department of Clinical Medicine and Surgery, Federico II University of Naples, Naples, Italy
| | - Claudia Miele
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
| | - Gregory Alexander Raciti
- Department of Translational Medicine, Federico II University of Naples, Naples, Italy
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
| | - Francesco Beguinot
- Department of Translational Medicine, Federico II University of Naples, Naples, Italy
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
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Šiklová M, Šrámková V, Koc M, Krauzová E, Čížková T, Ondrůjová B, Wilhelm M, Varaliová Z, Kuda O, Neubert J, Lambert L, Elkalaf M, Gojda J, Rossmeislová L. The role of adipogenic capacity and dysfunctional subcutaneous adipose tissue in the inheritance of type 2 diabetes mellitus: cross-sectional study. Obesity (Silver Spring) 2024; 32:547-559. [PMID: 38221680 DOI: 10.1002/oby.23969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 10/13/2023] [Accepted: 11/09/2023] [Indexed: 01/16/2024]
Abstract
OBJECTIVE This study tested the hypothesis that limited subcutaneous adipose tissue (SAT) expansion represents a primary predisposition to the development of type 2 diabetes mellitus (T2DM), independent of obesity, and identified novel markers of SAT dysfunction in the inheritance of T2DM. METHODS First-degree relatives (FDR) of T2DM patients (n = 19) and control individuals (n = 19) without obesity (fat mass < 25%) were cross-sectionally compared. Body composition (bioimpedance, computed tomography) and insulin sensitivity (IS; oral glucose tolerance test, clamp) were measured. SAT obtained by needle biopsy was used to analyze adipocyte size, lipidome, mRNA expression, and inflammatory markers. Primary cultures of adipose precursors were analyzed for adipogenic capacity and metabolism. RESULTS Compared with control individuals, FDR individuals had lower IS and a higher amount of visceral fat. However, SAT-derived adipose precursors did not differ in their ability to proliferate and differentiate or in metabolic parameters (lipolysis, mitochondrial oxidation). In SAT of FDR individuals, lipidomic and mRNA expression analysis revealed accumulation of triglycerides containing polyunsaturated fatty acids and increased mRNA expression of lysyl oxidase (LOX). These parameters correlated with IS, visceral fat accumulation, and mRNA expression of inflammatory and cellular stress genes. CONCLUSIONS The intrinsic adipogenic potential of SAT is not affected by a family history of T2DM. However, alterations in LOX mRNA and polyunsaturated fatty acids in triacylglycerols are likely related to the risk of developing T2DM independent of obesity.
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Affiliation(s)
- Michaela Šiklová
- Department of Pathophysiology, Center for Research on Nutrition, Metabolism and Diabetes, Third Faculty of Medicine, Charles University, Prague, Czech Republic
- Franco-Czech Laboratory for Clinical Research on Obesity, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Veronika Šrámková
- Department of Pathophysiology, Center for Research on Nutrition, Metabolism and Diabetes, Third Faculty of Medicine, Charles University, Prague, Czech Republic
- Franco-Czech Laboratory for Clinical Research on Obesity, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Michal Koc
- Department of Pathophysiology, Center for Research on Nutrition, Metabolism and Diabetes, Third Faculty of Medicine, Charles University, Prague, Czech Republic
- Franco-Czech Laboratory for Clinical Research on Obesity, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Eva Krauzová
- Department of Pathophysiology, Center for Research on Nutrition, Metabolism and Diabetes, Third Faculty of Medicine, Charles University, Prague, Czech Republic
- Franco-Czech Laboratory for Clinical Research on Obesity, Third Faculty of Medicine, Charles University, Prague, Czech Republic
- Department of Internal Medicine, Královské Vinohrady University Hospital, Prague, Czech Republic
| | - Terezie Čížková
- Department of Pathophysiology, Center for Research on Nutrition, Metabolism and Diabetes, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Barbora Ondrůjová
- Department of Pathophysiology, Center for Research on Nutrition, Metabolism and Diabetes, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Marek Wilhelm
- Department of Pathophysiology, Center for Research on Nutrition, Metabolism and Diabetes, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Zuzana Varaliová
- Department of Pathophysiology, Center for Research on Nutrition, Metabolism and Diabetes, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Ondrej Kuda
- Institute of Physiology, Czech Academy of Sciences, Prague, Czech Republic
| | - Jana Neubert
- Department of Pathophysiology, Center for Research on Nutrition, Metabolism and Diabetes, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Lukáš Lambert
- Department of Radiology, First Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
| | - Moustafa Elkalaf
- Department of Pathophysiology, Center for Research on Nutrition, Metabolism and Diabetes, Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Jan Gojda
- Franco-Czech Laboratory for Clinical Research on Obesity, Third Faculty of Medicine, Charles University, Prague, Czech Republic
- Department of Internal Medicine, Královské Vinohrady University Hospital, Prague, Czech Republic
| | - Lenka Rossmeislová
- Department of Pathophysiology, Center for Research on Nutrition, Metabolism and Diabetes, Third Faculty of Medicine, Charles University, Prague, Czech Republic
- Franco-Czech Laboratory for Clinical Research on Obesity, Third Faculty of Medicine, Charles University, Prague, Czech Republic
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Yeruva L, Mulakala BK, Rajasundaram D, Gonzalez S, Cabrera-Rubio R, Martínez-Costa C, Collado MC. Human milk miRNAs associate to maternal dietary nutrients, milk microbiota, infant gut microbiota and growth. Clin Nutr 2023; 42:2528-2539. [PMID: 37931372 DOI: 10.1016/j.clnu.2023.10.011] [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: 08/14/2023] [Revised: 10/06/2023] [Accepted: 10/10/2023] [Indexed: 11/08/2023]
Abstract
BACKGROUND Maternal diet influences the milk composition, yet little information is available on the impact of maternal diet on milk miRNAs expression. Further, the association of human milk miRNAs to maternal diet and milk microbiota is not explored. In addition, the role of milk miRNAs on the infant gut microbiota, infant growth and development has not been investigated. METHODS Milk samples were collected from 60 healthy lactating women at ≤15d post-partum, HTG transcriptome assay was performed to examine milk miRNA profile. Maternal clinical and dietary clusters information were available and infant anthropometric measures were followed up to one year of age. Milk and infant microbiota were analyzed by 16S rRNA gene sequencing and integrative multi-omics data analysis was performed to identify potential association between microRNA, maternal dietary nutrients and microbiota. RESULTS Discriminant analysis revealed that the milk miRNAs were clustered into groups according to the maternal protein source. Interestingly, 31 miRNAs were differentially expressed (P adj < 0.05) between maternal dietary clusters (Cluster 1: enriched in plant protein and fibers and Cluster 2: enriched in animal protein), with 30 miRNAs downregulated in the plant protein group relative to animal protein group. Pathway analysis revealed that the top enriched pathways (P adj < 0.01) were involved in cell growth and proliferation processes. Furthermore, significant features contributing to the clustering were associated with maternal dietary nutrients and milk microbiota (r > 0.70). Further, miR-378 and 320 family miRNAs involved in adipogenesis were positively correlated to the infant BMI-z-scores, weight, and weight for length-z-scores at 6 months of age. CONCLUSIONS Maternal dietary source impacts the milk miRNA expression profile. Further, miRNAs were associated with maternal dietary nutrients, milk microbiota and to the infant gut microbiota and infant growth and development. CLINICAL TRIAL The study is registered in ClinicalTrials.gov. The identification number is NCT03552939.
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Affiliation(s)
- Laxmi Yeruva
- Microbiome and Metabolism Research Unit, USDA-ARS, SEA, Little Rock, AR, USA; Arkansas Children's Nutrition Center, Little Rock, AR, USA.
| | - Bharat Kumar Mulakala
- Microbiome and Metabolism Research Unit, USDA-ARS, SEA, Little Rock, AR, USA; Arkansas Children's Nutrition Center, Little Rock, AR, USA; Texas A&M AgriLife Institute for Advancing Health Through Agriculture, TX, USA
| | | | - Sonia Gonzalez
- Department of Functional Biology, Faculty of Medicine, University of Oviedo, Oviedo, Spain; Diet, Microbiota and Health Group, Instituto de Investigación Sanitaria del Principado de Asturias (DIMISA, ISPA), Oviedo, Spain
| | - Raul Cabrera-Rubio
- Department of Biotechnology, Institute of Agrochemistry and Food Technology-National Research Council (IATA-CSIC), Valencia, Spain
| | | | - Maria Carmen Collado
- Department of Biotechnology, Institute of Agrochemistry and Food Technology-National Research Council (IATA-CSIC), Valencia, Spain.
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Longo M, Zatterale F, Spinelli R, Naderi J, Parrillo L, Florese P, Nigro C, Leone A, Moccia A, Desiderio A, Raciti GA, Miele C, Smith U, Beguinot F. Altered H3K4me3 profile at the TFAM promoter causes mitochondrial alterations in preadipocytes from first-degree relatives of type 2 diabetics. Clin Epigenetics 2023; 15:144. [PMID: 37679776 PMCID: PMC10486065 DOI: 10.1186/s13148-023-01556-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 08/14/2023] [Indexed: 09/09/2023] Open
Abstract
BACKGROUND First-degree relatives of type 2 diabetics (FDR) exhibit a high risk of developing type 2 diabetes (T2D) and feature subcutaneous adipocyte hypertrophy, independent of obesity. In FDR, adipose cell abnormalities contribute to early insulin-resistance and are determined by adipocyte precursor cells (APCs) early senescence and impaired recruitment into the adipogenic pathway. Epigenetic mechanisms signal adipocyte differentiation, leading us to hypothesize that abnormal epigenetic modifications cause adipocyte dysfunction and enhance T2D risk. To test this hypothesis, we examined the genome-wide histone profile in APCs from the subcutaneous adipose tissue of healthy FDR. RESULTS Sequencing-data analysis revealed 2644 regions differentially enriched in lysine 4 tri-methylated H3-histone (H3K4me3) in FDR compared to controls (CTRL) with significant enrichment in mitochondrial-related genes. These included TFAM, which regulates mitochondrial DNA (mtDNA) content and stability. In FDR APCs, a significant reduction in H3K4me3 abundance at the TFAM promoter was accompanied by a reduction in TFAM mRNA and protein levels. FDR APCs also exhibited reduced mtDNA content and mitochondrial-genome transcription. In parallel, FDR APCs exhibited impaired differentiation and TFAM induction during adipogenesis. In CTRL APCs, TFAM-siRNA reduced mtDNA content, mitochondrial transcription and adipocyte differentiation in parallel with upregulation of the CDKN1A and ZMAT3 senescence genes. Furthermore, TFAM-siRNA significantly expanded hydrogen peroxide (H2O2)-induced senescence, while H2O2 did not affect TFAM expression. CONCLUSIONS Histone modifications regulate APCs ability to differentiate in mature cells, at least in part by modulating TFAM expression and affecting mitochondrial function. Reduced H3K4me3 enrichment at the TFAM promoter renders human APCs senescent and dysfunctional, increasing T2D risk.
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Affiliation(s)
- Michele Longo
- Department of Translational Medicine, Federico II University of Naples, Naples, Italy
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
| | - Federica Zatterale
- Department of Translational Medicine, Federico II University of Naples, Naples, Italy
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
| | - Rosa Spinelli
- Department of Translational Medicine, Federico II University of Naples, Naples, Italy
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
| | - Jamal Naderi
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
| | - Luca Parrillo
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
| | - Pasqualina Florese
- Department of Translational Medicine, Federico II University of Naples, Naples, Italy
| | - Cecilia Nigro
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
| | - Alessia Leone
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
| | - Augusta Moccia
- Department of Translational Medicine, Federico II University of Naples, Naples, Italy
| | - Antonella Desiderio
- Department of Translational Medicine, Federico II University of Naples, Naples, Italy
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
| | - Gregory A Raciti
- Department of Translational Medicine, Federico II University of Naples, Naples, Italy.
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy.
| | - Claudia Miele
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy
| | - Ulf Smith
- Lundberg Laboratory for Diabetes Research, Department of Molecular and Clinical Medicine, Sahlgrenska Academy, University of Gothenburg, Göteborg, Sweden
| | - Francesco Beguinot
- Department of Translational Medicine, Federico II University of Naples, Naples, Italy.
- URT Genomics of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, Naples, Italy.
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circITGB1 Regulates Adipocyte Proliferation and Differentiation via the miR-23a/ARRB1 Pathway. Int J Mol Sci 2023; 24:ijms24031976. [PMID: 36768295 PMCID: PMC9916083 DOI: 10.3390/ijms24031976] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/11/2023] [Accepted: 01/13/2023] [Indexed: 01/20/2023] Open
Abstract
Adipose tissues represent an important energy storage organ in animals and are the largest endocrine organ. It plays an important regulatory role in the pathogenesis of insulin resistance, cardiovascular disease, and metabolic syndrome. Adipose development is a complex biological process involving multiple key genes, signaling pathways, and non-coding RNAs, including microRNAs and circular RNAs. In this study, we characterized circITGB1 and named its host gene ITGB1, which is differentially expressed in sheep of different months based on sequencing data. We collated and analyzed the sequencing data to select miRNA-23a with strong binding to ARRB1. We found that miRNA-23a regulates the development and differentiation of sheep adipocytes by targeting ARRB1. As a competing endogenous RNA, circITGB1 overexpression effectively alleviated the inhibitory effect of miR-23a on ARRB1. Conclusively, we provide evidence that circITGB1 regulates the proliferation and differentiation of sheep adipocytes via the miR-23a/ARRB1 pathway. This study provides a scientific basis for further studies on adipose tissue development at the circRNA level.
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Feng H, Liu T, Yousuf S, Zhang X, Huang W, Li A, Xie L, Miao X. Identification of potential miRNA-mRNA regulatory network and the key miRNAs in intramuscular and subcutaneous adipose. Front Vet Sci 2022; 9:976603. [PMID: 36090166 PMCID: PMC9453844 DOI: 10.3389/fvets.2022.976603] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 08/01/2022] [Indexed: 11/13/2022] Open
Abstract
Intramuscular fat (IMF) is an important indicator for evaluating meat quality. Breeds with high IMF content are often accompanied by high subcutaneous fat (SCF), severely affecting the meat rate of pigs. Studying the mechanisms of miRNAs related to lipogenesis and lipid metabolism has important implications for pig breeding. We constructed two small RNA libraries from intramuscular and subcutaneous fat to evaluate the patterns of lipogenesis in Laiwu pig, a Chinese breed. A total of 286 differentially expressed miRNAs (DEmiRNAs), including 193 known miRNA and 93 novel miRNAs, were identified from two types of adipose. GO and KEGG enrichment analysis for DEmiRNAs showed that their target genes involved in many adipogenesis and lipid metabolism biological processes and signaling pathways, such as Wnt signaling pathway,MAPK signaling pathway, Hippo signaling pathway, PI3K-Akt signaling pathway, Melanogenesis, Signaling pathways regulating pluripotency of stem cells and so on. Then, we constructed a miRNA-mRNA interaction network to find out which miRNAs were the key miRNAs of regulation in Wnt signaling pathway. In this pathway, miR-331-3p, miR-339-5p, miR-874 and novel346_mature target PPARD, WNT10B, RSPO3, WNT2B. This study provides a theoretical basis for further understanding the post-transcriptional regulation mechanism of meat quality formation and predicting and treating diseases caused by ectopic fat.
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Zatterale F, Raciti GA, Prevenzano I, Leone A, Campitelli M, De Rosa V, Beguinot F, Parrillo L. Epigenetic Reprogramming of the Inflammatory Response in Obesity and Type 2 Diabetes. Biomolecules 2022; 12:biom12070982. [PMID: 35883538 PMCID: PMC9313117 DOI: 10.3390/biom12070982] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/11/2022] [Accepted: 07/12/2022] [Indexed: 11/16/2022] Open
Abstract
For the past several decades, the prevalence of obesity and type 2 diabetes (T2D) has continued to rise on a global level. The risk contributing to this pandemic implicates both genetic and environmental factors, which are functionally integrated by epigenetic mechanisms. While these conditions are accompanied by major abnormalities in fuel metabolism, evidence indicates that altered immune cell functions also play an important role in shaping of obesity and T2D phenotypes. Interestingly, these events have been shown to be determined by epigenetic mechanisms. Consistently, recent epigenome-wide association studies have demonstrated that immune cells from obese and T2D individuals feature specific epigenetic profiles when compared to those from healthy subjects. In this work, we have reviewed recent literature reporting epigenetic changes affecting the immune cell phenotype and function in obesity and T2D. We will further discuss therapeutic strategies targeting epigenetic marks for treating obesity and T2D-associated inflammation.
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Affiliation(s)
- Federica Zatterale
- Department of Translational Medical Science, Federico II University of Naples, 80131 Naples, Italy; (F.Z.); (G.A.R.); (I.P.); (A.L.); (M.C.)
- URT Genomic of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, 80131 Naples, Italy;
| | - Gregory Alexander Raciti
- Department of Translational Medical Science, Federico II University of Naples, 80131 Naples, Italy; (F.Z.); (G.A.R.); (I.P.); (A.L.); (M.C.)
- URT Genomic of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, 80131 Naples, Italy;
| | - Immacolata Prevenzano
- Department of Translational Medical Science, Federico II University of Naples, 80131 Naples, Italy; (F.Z.); (G.A.R.); (I.P.); (A.L.); (M.C.)
- URT Genomic of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, 80131 Naples, Italy;
| | - Alessia Leone
- Department of Translational Medical Science, Federico II University of Naples, 80131 Naples, Italy; (F.Z.); (G.A.R.); (I.P.); (A.L.); (M.C.)
- URT Genomic of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, 80131 Naples, Italy;
| | - Michele Campitelli
- Department of Translational Medical Science, Federico II University of Naples, 80131 Naples, Italy; (F.Z.); (G.A.R.); (I.P.); (A.L.); (M.C.)
- URT Genomic of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, 80131 Naples, Italy;
| | - Veronica De Rosa
- URT Genomic of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, 80131 Naples, Italy;
| | - Francesco Beguinot
- Department of Translational Medical Science, Federico II University of Naples, 80131 Naples, Italy; (F.Z.); (G.A.R.); (I.P.); (A.L.); (M.C.)
- URT Genomic of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, 80131 Naples, Italy;
- Correspondence: (F.B.); (L.P.); Tel.: +39-081-746-3248 (F.B.); +39-081-746-3045 (L.P.)
| | - Luca Parrillo
- Department of Translational Medical Science, Federico II University of Naples, 80131 Naples, Italy; (F.Z.); (G.A.R.); (I.P.); (A.L.); (M.C.)
- URT Genomic of Diabetes, Institute of Experimental Endocrinology and Oncology, National Research Council, 80131 Naples, Italy;
- Correspondence: (F.B.); (L.P.); Tel.: +39-081-746-3248 (F.B.); +39-081-746-3045 (L.P.)
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8
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Spinelli R, Florese P, Parrillo L, Zatterale F, Longo M, D’Esposito V, Desiderio A, Nerstedt A, Gustafson B, Formisano P, Miele C, Raciti GA, Napoli R, Smith U, Beguinot F. ZMAT3 hypomethylation contributes to early senescence of preadipocytes from healthy first-degree relatives of type 2 diabetics. Aging Cell 2022; 21:e13557. [PMID: 35146866 PMCID: PMC8920444 DOI: 10.1111/acel.13557] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 12/16/2021] [Accepted: 01/09/2022] [Indexed: 12/18/2022] Open
Abstract
Senescence of adipose precursor cells (APC) impairs adipogenesis, contributes to the age-related subcutaneous adipose tissue (SAT) dysfunction, and increases risk of type 2 diabetes (T2D). First-degree relatives of T2D individuals (FDR) feature restricted adipogenesis, reflecting the detrimental effects of APC senescence earlier in life and rendering FDR more vulnerable to T2D. Epigenetics may contribute to these abnormalities but the underlying mechanisms remain unclear. In previous methylome comparison in APC from FDR and individuals with no diabetes familiarity (CTRL), ZMAT3 emerged as one of the top-ranked senescence-related genes featuring hypomethylation in FDR and associated with T2D risk. Here, we investigated whether and how DNA methylation changes at ZMAT3 promote early APC senescence. APC from FDR individuals revealed increases in multiple senescence markers compared to CTRL. Senescence in these cells was accompanied by ZMAT3 hypomethylation, which caused ZMAT3 upregulation. Demethylation at this gene in CTRL APC led to increased ZMAT3 expression and premature senescence, which were reverted by ZMAT3 siRNA. Furthermore, ZMAT3 overexpression in APC determined senescence and activation of the p53/p21 pathway, as observed in FDR APC. Adipogenesis was also inhibited in ZMAT3-overexpressing APC. In FDR APC, rescue of ZMAT3 methylation through senolytic exposure simultaneously downregulated ZMAT3 expression and improved adipogenesis. Interestingly, in human SAT, aging and T2D were associated with significantly increased expression of both ZMAT3 and the P53 senescence marker. Thus, DNA hypomethylation causes ZMAT3 upregulation in FDR APC accompanied by acquisition of the senescence phenotype and impaired adipogenesis, which may contribute to FDR predisposition for T2D.
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Affiliation(s)
- Rosa Spinelli
- Department of Translational Medical SciencesFederico II University of NaplesNaplesItaly
- URT Genomics of DiabetesInstitute of Experimental Endocrinology and OncologyNational Research CouncilNaplesItaly
| | - Pasqualina Florese
- Department of Translational Medical SciencesFederico II University of NaplesNaplesItaly
- URT Genomics of DiabetesInstitute of Experimental Endocrinology and OncologyNational Research CouncilNaplesItaly
| | - Luca Parrillo
- Department of Translational Medical SciencesFederico II University of NaplesNaplesItaly
- URT Genomics of DiabetesInstitute of Experimental Endocrinology and OncologyNational Research CouncilNaplesItaly
| | - Federica Zatterale
- Department of Translational Medical SciencesFederico II University of NaplesNaplesItaly
- URT Genomics of DiabetesInstitute of Experimental Endocrinology and OncologyNational Research CouncilNaplesItaly
| | - Michele Longo
- Department of Translational Medical SciencesFederico II University of NaplesNaplesItaly
- URT Genomics of DiabetesInstitute of Experimental Endocrinology and OncologyNational Research CouncilNaplesItaly
| | - Vittoria D’Esposito
- Department of Translational Medical SciencesFederico II University of NaplesNaplesItaly
- URT Genomics of DiabetesInstitute of Experimental Endocrinology and OncologyNational Research CouncilNaplesItaly
| | - Antonella Desiderio
- Department of Translational Medical SciencesFederico II University of NaplesNaplesItaly
- URT Genomics of DiabetesInstitute of Experimental Endocrinology and OncologyNational Research CouncilNaplesItaly
| | - Annika Nerstedt
- Lundberg Laboratory for Diabetes ResearchDepartment of Molecular and Clinical MedicineSahlgrenska AcademyUniversity of GothenburgGothenburgSweden
| | - Birgit Gustafson
- Lundberg Laboratory for Diabetes ResearchDepartment of Molecular and Clinical MedicineSahlgrenska AcademyUniversity of GothenburgGothenburgSweden
| | - Pietro Formisano
- Department of Translational Medical SciencesFederico II University of NaplesNaplesItaly
- URT Genomics of DiabetesInstitute of Experimental Endocrinology and OncologyNational Research CouncilNaplesItaly
| | - Claudia Miele
- Department of Translational Medical SciencesFederico II University of NaplesNaplesItaly
- URT Genomics of DiabetesInstitute of Experimental Endocrinology and OncologyNational Research CouncilNaplesItaly
| | - Gregory Alexander Raciti
- Department of Translational Medical SciencesFederico II University of NaplesNaplesItaly
- URT Genomics of DiabetesInstitute of Experimental Endocrinology and OncologyNational Research CouncilNaplesItaly
| | - Raffaele Napoli
- Department of Translational Medical SciencesFederico II University of NaplesNaplesItaly
| | - Ulf Smith
- Lundberg Laboratory for Diabetes ResearchDepartment of Molecular and Clinical MedicineSahlgrenska AcademyUniversity of GothenburgGothenburgSweden
| | - Francesco Beguinot
- Department of Translational Medical SciencesFederico II University of NaplesNaplesItaly
- URT Genomics of DiabetesInstitute of Experimental Endocrinology and OncologyNational Research CouncilNaplesItaly
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Epigenetic Dysregulation of the Homeobox A5 ( HOXA5) Gene Associates with Subcutaneous Adipocyte Hypertrophy in Human Obesity. Cells 2022; 11:cells11040728. [PMID: 35203377 PMCID: PMC8870634 DOI: 10.3390/cells11040728] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 02/14/2022] [Indexed: 12/28/2022] Open
Abstract
Along with insulin resistance and increased risk of type 2 diabetes (T2D), lean first-degree relatives of T2D subjects (FDR) feature impaired adipogenesis in subcutaneous adipose tissue (SAT) and subcutaneous adipocyte hypertrophy well before diabetes onset. The molecular mechanisms linking these events have only partially been clarified. In the present report, we show that silencing of the transcription factor Homeobox A5 (HOXA5) in human preadipocytes impaired differentiation in mature adipose cells in vitro. The reduced adipogenesis was accompanied by inappropriate WNT-signaling activation. Importantly, in preadipocytes from FDR individuals, HOXA5 expression was attenuated, with hypermethylation of the HOXA5 promoter region found responsible for its downregulation, as revealed by luciferase assay. Both HOXA5 gene expression and DNA methylation were significantly correlated with SAT adipose cell hypertrophy in FDR, whose increased adipocyte size marks impaired adipogenesis. In preadipocytes from FDR, the low HOXA5 expression negatively correlated with enhanced transcription of the WNT signaling downstream genes NFATC1 and WNT2B. In silico evidence indicated that NFATC1 and WNT2B were directly controlled by HOXA5. The HOXA5 promoter region also was hypermethylated in peripheral blood leukocytes from these same FDR individuals, which was further revealed in peripheral blood leukocytes from an independent group of obese subjects. Thus, HOXA5 controlled adipogenesis in humans by suppressing WNT signaling. Altered DNA methylation of the HOXA5 promoter contributed to restricted adipogenesis in the SAT of lean subjects who were FDR of type 2 diabetics and in obese individuals.
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