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Mir FA, Abdesselem HB, Cyprian F, Iskandarani A, Doudin A, Samra TA, Alkasem M, Abdalhakam I, Taheri S, Abou-Samra AB. Inflammatory protein signatures in individuals with obesity and metabolic syndrome. Sci Rep 2023; 13:22185. [PMID: 38092892 PMCID: PMC10719383 DOI: 10.1038/s41598-023-49643-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 12/10/2023] [Indexed: 12/17/2023] Open
Abstract
There is variability in the metabolic health status among individuals presenting with obesity; some may be metabolically healthy, while others may have developed the metabolic syndrome, a cluster including insulin resistance, hypertension, dyslipidemia, and increased risk of cardiovascular disease and type 2 diabetes. The mechanisms contributing to this metabolic heterogeneity are not fully understood. To address this question, plasma samples from 48 individuals with BMI ≥ 35 kg/m2 were examined (27 with and 21 without metabolic syndrome). Fasting plasma samples were subjected to Olink proteomics analysis for 184 cardiometabolic and inflammation-enriched proteins. Data analysis showed a clear differentiation between the two groups with distinct plasma protein expression profiles. Twenty-four proteins were differentially expressed (DEPs) between the two groups. Pathways related to immune cell migration, leukocyte chemotaxis, chemokine signaling, mucosal inflammatory response, tissue repair and remodeling were enriched in the group with metabolic syndrome. Functional analysis of DEPs revealed upregulation of 15 immunological pathways. The study identifies some of the pathways that are altered and reflect metabolic health in individuals with obesity. This provides valuable insights into some of the underlying mechanisms and can lead to identification of therapeutic targets to improve metabolic health in individuals with obesity.
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Affiliation(s)
- Fayaz Ahmad Mir
- Qatar Metabolic Institute, Academic Health System, Hamad Medical Corporation, PO Box 3050, Doha, Qatar.
| | - Houari B Abdesselem
- Proteomics Core Facility, Office of the Vice President for Research (OVPR), Hamad Bin Khalifa University (HBKU), Qatar Foundation, Doha, Qatar
- College of Health and Life Sciences (CHLS), Hamad Bin Khalifa University (HBKU), Qatar Foundation, Doha, Qatar
| | - Farhan Cyprian
- College of Medicine, QU Health, Qatar University, PO Box 2713, Doha, Qatar
| | - Ahmad Iskandarani
- Qatar Metabolic Institute, Academic Health System, Hamad Medical Corporation, PO Box 3050, Doha, Qatar
| | - Asmma Doudin
- Laboratory of Immunoregulation, Research Department, Sidra Medicine, Doha, Qatar
| | - Tareq A Samra
- Qatar Metabolic Institute, Academic Health System, Hamad Medical Corporation, PO Box 3050, Doha, Qatar
| | - Meis Alkasem
- Qatar Metabolic Institute, Academic Health System, Hamad Medical Corporation, PO Box 3050, Doha, Qatar
| | - Ibrahem Abdalhakam
- Qatar Metabolic Institute, Academic Health System, Hamad Medical Corporation, PO Box 3050, Doha, Qatar
| | - Shahrad Taheri
- Qatar Metabolic Institute, Academic Health System, Hamad Medical Corporation, PO Box 3050, Doha, Qatar
- National Obesity Treatment Center, Hamad Medical Corporation, Doha, Qatar
- Weil Cornell Medicine -Qatar, Doha, Qatar
| | - Abdul-Badi Abou-Samra
- Qatar Metabolic Institute, Academic Health System, Hamad Medical Corporation, PO Box 3050, Doha, Qatar
- National Obesity Treatment Center, Hamad Medical Corporation, Doha, Qatar
- Weil Cornell Medicine -Qatar, Doha, Qatar
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Xiao H, Yin T, Diao L, Zhang Y, Huang C. Association between immunity and different clinical symptoms in patients with polycystic ovary syndrome. Am J Reprod Immunol 2023; 90:e13780. [PMID: 37766399 DOI: 10.1111/aji.13780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 09/05/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
Polycystic ovary syndrome (PCOS) is a disease with endocrine and metabolic disorders. The main symptoms are hyperandrogenemia (HA), insulin resistance (IR), and ovulation disorder. However, the pathogenesis and pathophysiological process of these major symptoms in PCOS are still not well defined. In recent studies, the chronic low-grade inflammatory state has become one of the factors affecting PCOS. Some alterable immune factors in PCOS, such as interleukin-15 and interleukin-1, have been identified to be related to androgen synthesis and insulin resistance in PCOS. In addition, a disturbed immune microenvironment in the ovary leads to impaired follicular growth and ovulation. Previous studies have roughly reviewed the relationship between immunity and PCOS. However, the link between the different clinical manifestations of PCOS and immunity has not been well explored and analyzed. The clinical presentation of each patient is diverse, and symptomatic treatment is mainly used. Therefore, this article reviews several representative immunological factors that affect these three symptoms to explore the underlying mechanism, which will be beneficial for developing new treatment strategies.
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Affiliation(s)
- Huan Xiao
- Reproductive Medicine Center, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Tailang Yin
- Reproductive Medicine Center, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Lianghui Diao
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong, China
| | - Yan Zhang
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Chunyu Huang
- Shenzhen Key Laboratory of Reproductive Immunology for Peri-implantation, Shenzhen Zhongshan Institute for Reproduction and Genetics, Fertility Center, Shenzhen Zhongshan Urology Hospital, Shenzhen, Guangdong, China
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Luo H, Bauer A, Nano J, Petrera A, Rathmann W, Herder C, Hauck SM, Sun BB, Hoyer A, Peters A, Thorand B. Associations of plasma proteomics with type 2 diabetes and related traits: results from the longitudinal KORA S4/F4/FF4 Study. Diabetologia 2023; 66:1655-1668. [PMID: 37308750 DOI: 10.1007/s00125-023-05943-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 04/12/2023] [Indexed: 06/14/2023]
Abstract
AIMS/HYPOTHESIS This study aimed to elucidate the aetiological role of plasma proteins in glucose metabolism and type 2 diabetes development. METHODS We measured 233 proteins at baseline in 1653 participants from the Cooperative Health Research in the Region of Augsburg (KORA) S4 cohort study (median follow-up time: 13.5 years). We used logistic regression in the cross-sectional analysis (n=1300), and Cox regression accounting for interval-censored data in the longitudinal analysis (n=1143). We further applied two-level growth models to investigate associations with repeatedly measured traits (fasting glucose, 2 h glucose, fasting insulin, HOMA-B, HOMA-IR, HbA1c), and two-sample Mendelian randomisation analysis to investigate causal associations. Moreover, we built prediction models using priority-Lasso on top of Framingham-Offspring Risk Score components and evaluated the prediction accuracy through AUC. RESULTS We identified 14, 24 and four proteins associated with prevalent prediabetes (i.e. impaired glucose tolerance and/or impaired fasting glucose), prevalent newly diagnosed type 2 diabetes and incident type 2 diabetes, respectively (28 overlapping proteins). Of these, IL-17D, IL-18 receptor 1, carbonic anhydrase-5A, IL-1 receptor type 2 (IL-1RT2) and matrix extracellular phosphoglycoprotein were novel candidates. IGF binding protein 2 (IGFBP2), lipoprotein lipase (LPL) and paraoxonase 3 (PON3) were inversely associated while fibroblast growth factor 21 was positively associated with incident type 2 diabetes. LPL was longitudinally linked with change in glucose-related traits, while IGFBP2 and PON3 were linked with changes in both insulin- and glucose-related traits. Mendelian randomisation analysis suggested causal effects of LPL on type 2 diabetes and fasting insulin. The simultaneous addition of 12 priority-Lasso-selected biomarkers (IGFBP2, IL-18, IL-17D, complement component C1q receptor, V-set and immunoglobulin domain-containing protein 2, IL-1RT2, LPL, CUB domain-containing protein 1, vascular endothelial growth factor D, PON3, C-C motif chemokine 4 and tartrate-resistant acid phosphatase type 5) significantly improved the predictive performance (ΔAUC 0.0219; 95% CI 0.0052, 0.0624). CONCLUSIONS/INTERPRETATION We identified new candidates involved in the development of derangements in glucose metabolism and type 2 diabetes and confirmed previously reported proteins. Our findings underscore the importance of proteins in the pathogenesis of type 2 diabetes and the identified putative proteins can function as potential pharmacological targets for diabetes treatment and prevention.
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Affiliation(s)
- Hong Luo
- Institute of Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany
- Institute for Medical Information Processing, Biometry and Epidemiology (IBE), Faculty of Medicine, LMU Munich, Pettenkofer School of Public Health, Munich, Germany
| | - Alina Bauer
- Institute of Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany
| | - Jana Nano
- Institute of Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany
- Institute for Medical Information Processing, Biometry and Epidemiology (IBE), Faculty of Medicine, LMU Munich, Pettenkofer School of Public Health, Munich, Germany
| | - Agnese Petrera
- Metabolomics and Proteomics Core, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany
| | - Wolfgang Rathmann
- Institute for Biometrics and Epidemiology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine Universität Düsseldorf, Düsseldorf, Germany
- German Center for Diabetes Research (DZD), Partner Düsseldorf, Neuherberg, Germany
| | - Christian Herder
- German Center for Diabetes Research (DZD), Partner Düsseldorf, Neuherberg, Germany
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine Universität Düsseldorf, Düsseldorf, Germany
- Department of Endocrinology and Diabetology, Medical Faculty and University Hospital Düsseldorf, Heinrich Heine Universität Düsseldorf, Düsseldorf, Germany
| | - Stefanie M Hauck
- Metabolomics and Proteomics Core, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany
- German Center for Diabetes Research (DZD), Partner München-Neuherberg, Neuherberg, Germany
| | - Benjamin B Sun
- Translation Sciences, Research & Development, Biogen Inc., Cambridge, MA, USA
| | - Annika Hoyer
- Biostatistics and Medical Biometry, Medical School OWL, Bielefeld University, Bielefeld, Germany
| | - Annette Peters
- Institute of Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany
- Institute for Medical Information Processing, Biometry and Epidemiology (IBE), Faculty of Medicine, LMU Munich, Pettenkofer School of Public Health, Munich, Germany
- German Center for Diabetes Research (DZD), Partner München-Neuherberg, Neuherberg, Germany
| | - Barbara Thorand
- Institute of Epidemiology, Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Neuherberg, Germany.
- German Center for Diabetes Research (DZD), Partner München-Neuherberg, Neuherberg, Germany.
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St. Clair JR, Westacott MJ, Miranda J, Farnsworth NL, Kravets V, Schleicher WE, Dwulet JM, Levitt CH, Heintz A, Ludin NWF, Benninger RKP. Restoring connexin-36 function in diabetogenic environments precludes mouse and human islet dysfunction. J Physiol 2023; 601:4053-4072. [PMID: 37578890 PMCID: PMC10508056 DOI: 10.1113/jp282114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 07/27/2023] [Indexed: 08/16/2023] Open
Abstract
The secretion of insulin from β-cells in the islet of Langerhans is governed by a series of metabolic and electrical events, which can fail during the progression of type 2 diabetes (T2D). β-cells are electrically coupled via connexin-36 (Cx36) gap junction channels, which coordinates the pulsatile dynamics of [Ca2+ ] and insulin release across the islet. Factors such as pro-inflammatory cytokines and free fatty acids disrupt gap junction coupling under in vitro conditions. Here we test whether gap junction coupling and coordinated [Ca2+ ] dynamics are disrupted in T2D, and whether recovery of gap junction coupling can recover islet function. We examine islets from donors with T2D, from db/db mice, and islets treated with pro-inflammatory cytokines (TNF-α, IL-1β, IFN-ɣ) or free fatty acids (palmitate). We modulate gap junction coupling using Cx36 over-expression or pharmacological activation via modafinil. We also develop a peptide mimetic (S293) of the c-terminal regulatory site of Cx36 designed to compete against its phosphorylation. Cx36 gap junction permeability and [Ca2+ ] dynamics were disrupted in islets from both human donors with T2D and db/db mice, and in islets treated with pro-inflammatory cytokines or palmitate. Cx36 over-expression, modafinil treatment and S293 peptide all enhanced Cx36 gap junction coupling and protected against declines in coordinated [Ca2+ ] dynamics. Cx36 over-expression and S293 peptide also reduced apoptosis induced by pro-inflammatory cytokines. Critically, S293 peptide rescued gap junction coupling and [Ca2+ ] dynamics in islets from both db/db mice and a sub-set of T2D donors. Thus, recovering or enhancing Cx36 gap junction coupling can improve islet function in diabetes. KEY POINTS: Connexin-36 (Cx36) gap junction permeability and associated coordination of [Ca2+ ] dynamics is diminished in human type 2 diabetes (T2D) and mouse models of T2D. Enhancing Cx36 gap junction permeability protects against disruptions to the coordination of [Ca2+ ] dynamics. A novel peptide mimetic of the Cx36 c-terminal regulatory region protects against declines in Cx36 gap junction permeability. Pharmacological elevation in Cx36 or Cx36 peptide mimetic recovers [Ca2+ ] dynamics and glucose-stimulated insulin secretion in human T2D and mouse models of T2D.
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Affiliation(s)
- Joshua R St. Clair
- Department of Bioengineering, University of Colorado Denver
| Anschutz Medical Campus, Aurora, CO
| | - Matthew J Westacott
- Department of Bioengineering, University of Colorado Denver
| Anschutz Medical Campus, Aurora, CO
| | - Jose Miranda
- Department of Bioengineering, University of Colorado Denver
| Anschutz Medical Campus, Aurora, CO
| | - Nikki L Farnsworth
- Barbara Davis Center for Diabetes, University of Colorado
Denver | Anschutz Medical Campus, Aurora, CO
| | - Vira Kravets
- Department of Bioengineering, University of Colorado Denver
| Anschutz Medical Campus, Aurora, CO
| | - Wolfgang E Schleicher
- Department of Bioengineering, University of Colorado Denver
| Anschutz Medical Campus, Aurora, CO
| | - JaeAnn M Dwulet
- Department of Bioengineering, University of Colorado Denver
| Anschutz Medical Campus, Aurora, CO
| | - Claire H Levitt
- Department of Bioengineering, University of Colorado Denver
| Anschutz Medical Campus, Aurora, CO
| | - Audrey Heintz
- Department of Bioengineering, University of Colorado Denver
| Anschutz Medical Campus, Aurora, CO
| | - Nurin WF Ludin
- Department of Bioengineering, University of Colorado Denver
| Anschutz Medical Campus, Aurora, CO
| | - Richard KP Benninger
- Department of Bioengineering, University of Colorado Denver
| Anschutz Medical Campus, Aurora, CO
- Barbara Davis Center for Diabetes, University of Colorado
Denver | Anschutz Medical Campus, Aurora, CO
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5
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Zhang X, Hu LG, Lei Y, Stolina M, Homann O, Wang S, Véniant MM, Hsu YH. A transcriptomic and proteomic atlas of obesity and type 2 diabetes in cynomolgus monkeys. Cell Rep 2023; 42:112952. [PMID: 37556324 DOI: 10.1016/j.celrep.2023.112952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 05/16/2023] [Accepted: 07/23/2023] [Indexed: 08/11/2023] Open
Abstract
Obesity and type 2 diabetes (T2D) remain major global healthcare challenges, and developing therapeutics necessitates using nonhuman primate models. Here, we present a transcriptomic and proteomic atlas of all the major organs of cynomolgus monkeys with spontaneous obesity or T2D in comparison to healthy controls. Molecular changes occur predominantly in the adipose tissues of individuals with obesity, while extensive expression perturbations among T2D individuals are observed in many tissues such as the liver and kidney. Immune-response-related pathways are upregulated in obesity and T2D, whereas metabolism and mitochondrial pathways are downregulated. Moreover, we highlight some potential therapeutic targets, including SLC2A1 and PCSK1 in obesity as well as SLC30A8 and SLC2A2 in T2D. Our study provides a resource for exploring the complex molecular mechanism of obesity and T2D and developing therapies for these diseases, with limitations including lack of hypothalamus, isolated islets of Langerhans, longitudinal data, and body fat percentage.
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Affiliation(s)
- Xianglong Zhang
- Center for Research Acceleration by Digital Innovation (CRADI), Amgen Research, South San Francisco, CA 94080, USA
| | | | - Ying Lei
- Research China, Amgen Research, Shanghai 200020, China
| | - Marina Stolina
- Department of Cardiometabolic Disorders, Amgen Research, Thousand Oaks, CA 91320, USA
| | - Oliver Homann
- Center for Research Acceleration by Digital Innovation (CRADI), Amgen Research, South San Francisco, CA 94080, USA
| | - Songli Wang
- Research Biomics, Amgen Research, South San Francisco, CA 94080, USA
| | - Murielle M Véniant
- Department of Cardiometabolic Disorders, Amgen Research, Thousand Oaks, CA 91320, USA.
| | - Yi-Hsiang Hsu
- Marcus Institute for Aging Research and Harvard Medical School, Boston, MA 02131, USA.
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Chatterjee B, Thakur SS. Proteins and metabolites fingerprints of gestational diabetes mellitus forming protein-metabolite interactomes are its potential biomarkers. Proteomics 2023; 23:e2200257. [PMID: 36919629 DOI: 10.1002/pmic.202200257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 03/04/2023] [Accepted: 03/06/2023] [Indexed: 03/16/2023]
Abstract
Gestational diabetes mellitus (GDM) is a consequence of glucose intolerance with an inadequate production of insulin that happens during pregnancy and leads to adverse health consequences for both mother and fetus. GDM patients are at higher risk for preeclampsia, and developing diabetes mellitus type 2 in later life, while the child born to GDM mothers are more prone to macrosomia, and hypoglycemia. The universally accepted diagnostic criteria for GDM are lacking, therefore there is a need for a diagnosis of GDM that can identify GDM at its early stage (first trimester). We have reviewed the literature on proteins and metabolites fingerprints of GDM. Further, we have performed protein-protein, metabolite-metabolite, and protein-metabolite interaction network studies on GDM proteins and metabolites fingerprints. Notably, some proteins and metabolites fingerprints are forming strong interaction networks at high confidence scores. Therefore, we have suggested that those proteins and metabolites that are forming protein-metabolite interactomes are the potential biomarkers of GDM. The protein-metabolite biomarkers interactome may help in a deep understanding of the prognosis, pathogenesis of GDM, and also detection of GDM. The protein-metabolites interactome may be further applied in planning future therapeutic strategies to promote long-term health benefits in GDM mothers and their children.
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Affiliation(s)
- Bhaswati Chatterjee
- National Institute of Pharmaceutical Education and Research, Hyderabad, India
- National Institute of Animal Biotechnology (NIAB), Hyderabad, India
| | - Suman S Thakur
- Centre for Cellular and Molecular Biology, Hyderabad, India
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Yu W, Li C, Zhang D, Li Z, Xia P, Liu X, Cai X, Yang P, Ling J, Zhang J, Zhang M, Yu P. Advances in T Cells Based on Inflammation in Metabolic Diseases. Cells 2022; 11:cells11223554. [PMID: 36428983 PMCID: PMC9688178 DOI: 10.3390/cells11223554] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 10/26/2022] [Accepted: 11/02/2022] [Indexed: 11/12/2022] Open
Abstract
With the increasing incidence of metabolic diseases year by year and their impact on the incidence of cardiovascular diseases, metabolic diseases have attracted great attention as a major health care problem, but there is still no effective treatment. Oxidative stress and inflammation are the main mechanisms leading to metabolic diseases. T cells are involved in the inflammatory response, which can also regulate the development of metabolic diseases, CD4+ T cells and CD8+ T cells are mainly responsible for the role. Th1 and Th17 differentiated from CD4+ T promote inflammation, while Th2 and Treg inhibit inflammation. CD8+ T cells also contribute to inflammation. The severity and duration of inflammatory reactions can also lead to different degrees of progression of metabolic diseases. Moreover, mTOR, PI3K-Akt, and AMPK signaling pathways play unique roles in the regulation of T cells, which provide a new direction for the treatment of metabolic diseases in the future. In this review, we will elaborate on the role of T cells in regulating inflammation in various metabolic diseases, the signaling pathways that regulate T cells in metabolic diseases, and the latest research progress.
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Affiliation(s)
- Wenlu Yu
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
- School of Ophthalmology and Optometry, Nanchang University, Nanchang 330000, China
| | - Chunxiu Li
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
- School of Ophthalmology and Optometry, Nanchang University, Nanchang 330000, China
| | - Deju Zhang
- Food and Nutritional Sciences, School of Biological Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong 999077, China
| | - Zhangwang Li
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
- The Second Clinical Medical College, Nanchang University, Nanchang 330000, China
| | - Panpan Xia
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
| | - Xiao Liu
- Department of Cardiology, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou 510000, China
| | - Xia Cai
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
| | - Pingping Yang
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
| | - Jitao Ling
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
| | - Jing Zhang
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
- Correspondence: (J.Z.); (P.Y.)
| | - Meiying Zhang
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
| | - Peng Yu
- Department of Metabolism and Endocrinology, The Second Affiliated Hospital of Nanchang University, Nanchang 330000, China
- Correspondence: (J.Z.); (P.Y.)
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8
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Liu F, Cai Z, Yang Y, Plasko G, Zhao P, Wu X, Tang C, Li D, Li T, Hu S, Song L, Yu S, Xu R, Luo H, Fan L, Wang E, Xiao Z, Ji Y, Zeng R, Li R, Bai J, Zhou Z, Liu F, Zhang J. The adipocyte-enriched secretory protein tetranectin exacerbates type 2 diabetes by inhibiting insulin secretion from β cells. Sci Adv 2022; 8:eabq1799. [PMID: 36129988 PMCID: PMC9491725 DOI: 10.1126/sciadv.abq1799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 08/04/2022] [Indexed: 06/15/2023]
Abstract
Pancreatic β cell failure is a hallmark of diabetes. However, the causes of β cell failure remain incomplete. Here, we report the identification of tetranectin (TN), an adipose tissue-enriched secretory molecule, as a negative regulator of insulin secretion in β cells in diabetes. TN expression is stimulated by high glucose in adipocytes via the p38 MAPK/TXNIP/thioredoxin/OCT4 signaling pathway, and elevated serum TN levels are associated with diabetes. TN treatment greatly exacerbates hyperglycemia in mice and suppresses glucose-stimulated insulin secretion in islets. Conversely, knockout of TN or neutralization of TN function notably improves insulin secretion and glucose tolerance in high-fat diet-fed mice. Mechanistically, TN binds with high selectivity to β cells and inhibits insulin secretion by blocking L-type Ca2+ channels. Our study uncovers an adipocyte-β cell cross-talk that contributes to β cell dysfunction in diabetes and suggests that neutralization of TN levels may provide a new treatment strategy for type 2 diabetes.
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Affiliation(s)
- Fen Liu
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Zixin Cai
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Yan Yang
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - George Plasko
- Department of Pharmacology, University of Texas Health at San Antonio, San Antonio, TX 78229, USA
| | - Piao Zhao
- The National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha, China
| | - Xiangyue Wu
- The National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha, China
| | - Cheng Tang
- The National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha, China
| | - Dandan Li
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Ting Li
- Department of Liver Organ Transplantation, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Shanbiao Hu
- Department of Urological Organ Transplantation, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Lei Song
- Department of Urological Organ Transplantation, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Shaojie Yu
- Department of Urological Organ Transplantation, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Ran Xu
- Department of Urology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Hairong Luo
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Libin Fan
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Ersong Wang
- Department of Neurosurgery, Jinshan Hospital, Fudan University, Shanghai 201508, China
| | - Zhen Xiao
- The National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha, China
| | - Yujiao Ji
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Rong Zeng
- Key Laboratory of Systems Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Rongxia Li
- Key Laboratory of Systems Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Juli Bai
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
- Department of Pharmacology, University of Texas Health at San Antonio, San Antonio, TX 78229, USA
| | - Zhiguang Zhou
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Feng Liu
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
| | - Jingjing Zhang
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, China
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9
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Delabio Auer E, de Carvalho Santos D, Júnior Valério de Lima I, Beate Winter Boldt A. Non-coding RNA network associated with obesity and rheumatoid arthritis. Immunobiology 2022. [DOI: 10.1016/j.imbio.2022.152281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 09/13/2022] [Indexed: 11/18/2022]
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10
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Prevenzano I, Leone A, Longo M, Nicolò A, Cabaro S, Collina F, Panarese I, Botti G, Formisano P, Napoli R, Beguinot F, Miele C, Nigro C. Glyoxalase 1 knockdown induces age-related β-cell dysfunction and glucose intolerance in mice. EMBO Rep 2022; 23:e52990. [PMID: 35620868 PMCID: PMC9253754 DOI: 10.15252/embr.202152990] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 04/20/2022] [Accepted: 05/02/2022] [Indexed: 09/09/2023] Open
Abstract
Tight control of glycemia is a major treatment goal for type 2 diabetes mellitus (T2DM). Clinical studies indicated that factors other than poor glycemic control may be important in fostering T2DM progression. Increased levels of methylglyoxal (MGO) associate with complications development, but its role in the early steps of T2DM pathogenesis has not been defined. Here, we show that MGO accumulation induces an age-dependent impairment of glucose tolerance and glucose-stimulated insulin secretion in mice knockdown for glyoxalase 1 (Glo1KD). This metabolic alteration associates with the presence of insular inflammatory infiltration (F4/80-positive staining), the islet expression of senescence markers, and higher levels of cytokines (MCP-1 and TNF-α), part of the senescence-activated secretory profile, in the pancreas from 10-month-old Glo1KD mice, compared with their WT littermates. In vitro exposure of INS832/13 β-cells to MGO confirms its casual role on β-cell dysfunction, which can be reverted by senolytic treatment. These data indicate that MGO is capable to induce early phenotypes typical of T2D progression, paving the way for novel prevention approaches to T2DM.
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Affiliation(s)
- Immacolata Prevenzano
- URT Genomics of Diabetes‐IEOSCNR & Department of Translational Medicine – Federico IIUniversity of NaplesNaplesItaly
| | - Alessia Leone
- URT Genomics of Diabetes‐IEOSCNR & Department of Translational Medicine – Federico IIUniversity of NaplesNaplesItaly
| | - Michele Longo
- URT Genomics of Diabetes‐IEOSCNR & Department of Translational Medicine – Federico IIUniversity of NaplesNaplesItaly
| | - Antonella Nicolò
- URT Genomics of Diabetes‐IEOSCNR & Department of Translational Medicine – Federico IIUniversity of NaplesNaplesItaly
| | - Serena Cabaro
- URT Genomics of Diabetes‐IEOSCNR & Department of Translational Medicine – Federico IIUniversity of NaplesNaplesItaly
| | - Francesca Collina
- Pathology UnitIstituto Nazionale Tumori‐IRCCS‐Fondazione G.PascaleNaplesItaly
| | - Iacopo Panarese
- Unità di Anatomia PatologicaDipartimento di Salute Mentale e Fisica e Medicina PreventivaUniversità degli Studi della Campania "L. Vanvitelli"NaplesItaly
| | - Gerardo Botti
- Scientific DirectionIstituto Nazionale Tumori‐IRCCS‐Fondazione G.PascaleNaplesItaly
| | - Pietro Formisano
- URT Genomics of Diabetes‐IEOSCNR & Department of Translational Medicine – Federico IIUniversity of NaplesNaplesItaly
| | - Raffaele Napoli
- URT Genomics of Diabetes‐IEOSCNR & Department of Translational Medicine – Federico IIUniversity of NaplesNaplesItaly
| | - Francesco Beguinot
- URT Genomics of Diabetes‐IEOSCNR & Department of Translational Medicine – Federico IIUniversity of NaplesNaplesItaly
| | - Claudia Miele
- URT Genomics of Diabetes‐IEOSCNR & Department of Translational Medicine – Federico IIUniversity of NaplesNaplesItaly
| | - Cecilia Nigro
- URT Genomics of Diabetes‐IEOSCNR & Department of Translational Medicine – Federico IIUniversity of NaplesNaplesItaly
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11
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Shi K, Anmin R, Cai J, Qi Y, Han W, Li M, Zhang G, Zhang S, Fu L, Han W, Guan S, Li J, Qi L, Lin L, Qu X, Ye M. Ascending aortic perivascular adipose tissue inflammation associates with aortic valve disease. J Cardiol 2022. [DOI: 10.1016/j.jjcc.2022.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 03/20/2022] [Accepted: 04/10/2022] [Indexed: 11/20/2022]
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12
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Ruszała M, Pilszyk A, Niebrzydowska M, Kimber-trojnar Ż, Trojnar M, Leszczyńska-gorzelak B. Novel Biomolecules in the Pathogenesis of Gestational Diabetes Mellitus 2.0. Int J Mol Sci 2022; 23:4364. [PMID: 35457182 PMCID: PMC9031541 DOI: 10.3390/ijms23084364] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 04/12/2022] [Accepted: 04/13/2022] [Indexed: 12/04/2022] Open
Abstract
Gestational diabetes mellitus (GDM) has become a major public health problem and one of the most discussed issues in modern obstetrics. GDM is associated with serious adverse perinatal outcomes and long-term health consequences for both the mother and child. Currently, the importance and purposefulness of finding a biopredictor that will enable the identification of women with an increased risk of developing GDM as early as the beginning of pregnancy are highly emphasized. Both “older” molecules, such as adiponectin and leptin, and “newer” adipokines, including fatty acid-binding protein 4 (FABP4), have proven to be of pathophysiological importance in GDM. Therefore, in our previous review, we presented 13 novel biomolecules, i.e., galectins, growth differentiation factor-15, chemerin, omentin-1, osteocalcin, resistin, visfatin, vaspin, irisin, apelin, FABP4, fibroblast growth factor 21, and lipocalin-2. The purpose of this review is to present the potential and importance of another nine lesser known molecules in the pathogenesis of GDM, i.e., 3-carboxy-4-methyl-5-propyl-2-furanpropanoic acid (CMPF), angiopoietin-like protein-8 (ANGPTL-8), nesfatin-1, afamin, adropin, fetuin-A, zonulin, secreted frizzled-related proteins (SFRPs), and amylin. It seems that two of them, fetuin-A and zonulin in high serum levels, may be applied as biopredictors of GDM.
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13
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Bai Z, Hao X. Downregulation of secreted frizzled-related protein 4 inhibits hypoxia/reoxygenation injury in diabetic cardiomyocytes by protein tyrosine phosphatase nonreceptor type 12. Bioengineered 2022; 13:7697-7708. [PMID: 35290144 PMCID: PMC9278962 DOI: 10.1080/21655979.2022.2034706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Myocardial ischemia-reperfusion injury in diabetic patients leads to an increased incidence of complications and mortality. Secreted frizzled-related protein 4 (SFRP4) plays a critical role in diabetic myocardial ischemia-reperfusion. This paper aims to uncover the underlying mechanisms of SFRP4 in hypoxia/reoxygenation (H/R) injury of diabetic myocardial cells. An in vitro ischemia/reperfusion (I/R) injury model was established using high glucose-induced H9c2 cardiomyocytes. Expression of SFRP4 was detected by real-time reverse transcriptase-polymerase chain reaction and Western blotting. After transfection of SFRP4, the binding of SFRP4 to protein tyrosine phosphatase nonreceptor type 12 (PTPN12) was predicted by database and verified by co-immunoprecipitation assay. P13 K/AKT protein levels were examined by Western blotting. PTPN12 levels were tested by RT-qPCR and Western blotting, cell viability by Cell Counting Kit-8, lactose dehydrogenase kit, terminal dUTP nick-end labeling assay, and cell inflammation and oxidative stress by Western blotting and enzyme linked immunosorbent assay. After overexpression of PTPN12, the experiments for cell viability, inflammation and oxidative stress were repeated once more. SFRP4 expression was upregulated in a high-glucose-stimulated H/R cardiomyocyte model. The interference of SFRP4 promoted cell viability, inhibited the inflammatory and oxidative stress response of H/R cardiomyocytes induced by high glucose. SFRP4 interacted with PTPN12 and inhibited the PI3K/AKT signaling pathway. PTPN12 overexpression reversed the inhibitory effect of sh-SFRP4 on H/R cardiomyocyte damage induced by high glucose. Downregulation of SFRP4 inhibited H/R cell damage in diabetic cardiomyocytes by binding to PTPN12.
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Affiliation(s)
- Zhifeng Bai
- Second Department of Cardiovascular Medicine, The First People's Hospital of Shangqiu City, Shangqiu, China
| | - Xiuhong Hao
- Second Department of Cardiovascular Medicine, The First People's Hospital of Shangqiu City, Shangqiu, China
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14
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Bukhari SA, Yasmin A, Rasul A, Zahoor MA, Mustafa G, Al Farraj DA, Darwish NM, Aleya L, Rehman A. Identification of Ascorbic Acid and Gallic Acid as Novel Inhibitors of Secreted Frizzled-Related Protein for the Treatment of Obesity-Induced Type 2 Diabetes. Dose Response 2022; 20:15593258211069707. [PMID: 35145353 PMCID: PMC8822024 DOI: 10.1177/15593258211069707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 12/30/2021] [Accepted: 12/03/2021] [Indexed: 11/25/2022] Open
Abstract
Type 2 diabetes mellitus (T2D) has been reported as major public health issue rising at an alarming rate worldwide, and obesity is the leading risk factor for the development of T2D. Secreted frizzled-related protein 4 (SFRP4) released with inflammatory mediators from adipose tissues constrains the exocytosis of insulin containing granules from the pancreatic islets that leads towards the development to T2D. The significant overexpression of SFRP4 in diabetic patients and its involvement in islet dysfunction suggest its critical role in the development of diabetes. Thus, this study was designed to explore the potential of ascorbic acid (AA) and gallic acid (GA) against SFRP4 for the treatment of diabetes. Molecular docking approach was used for the prediction of binding interactions of AA and GA at the active pocket of SFRP4. Docking analysis indicated strong binding interactions of AA and GA to the amino acid residues at the active site of SFRP4. A significant reduction in the level of SFRP4 was observed in transfected cells treated with AA and GA. For the evaluation of the cytotoxicity of AA and GA against HepG2 cells, MTT assay was performed. The results of MTT assay demonstrated that AA and GA are non-cytotoxic towards HepG2 cells at concentration of 15 μM. The oral administration of AA and GA to diet-induced obese mice caused significant reduction in body weight, blood glucose level, and SFRP4 expression. The results of this study suggest that AA and GA have potential for the treatment of obesity-induced T2D.
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Affiliation(s)
- Shazia Anwer Bukhari
- Department of Biochemistry, Government College University Faisalabad, Faisalabad, Pakistan
| | - Aysha Yasmin
- Department of Biochemistry, Government College University Faisalabad, Faisalabad, Pakistan
| | - Azhar Rasul
- Department of Zoology, Government College University Faisalabad, Faisalabad, Pakistan
| | | | - Ghulam Mustafa
- Department of Biochemistry, Government College University Faisalabad, Faisalabad, Pakistan
| | - Dunia A. Al Farraj
- Faculty of science, Ain Shams University, Biochemistry Department, Cairo, Egypt
| | - Noura M. Darwish
- Faculty of science, Ain Shams University, Biochemistry Department, Cairo, Egypt
- Ministry of Health Laboratories, Tanta, Egypt
| | - Lotfi Aleya
- Laboratoire Chrono-Environnement, CNRS6249, Universite de Bourgogne Franche-Comte, Besancon, France
| | - Asim Rehman
- Department of Biochemistry, Government College University Faisalabad, Faisalabad, Pakistan
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15
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Ye H, Wang R, Wei J, Wang Y, Zhang X, Wang L. Bioinformatics Analysis Identifies Potential Ferroptosis Key Gene in Type 2 Diabetic Islet Dysfunction. Front Endocrinol (Lausanne) 2022; 13:904312. [PMID: 35898457 PMCID: PMC9309693 DOI: 10.3389/fendo.2022.904312] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 06/10/2022] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Islet β cells dysfunction (IBCD) is a cortical component in pathogenesis of type 2 diabetic mellitus (T2DM). However, the relationship of ferroptosis and IBCD remains unknown. This study was aimed to screen potential ferroptosis key genes to reveal latent physiological and pathological process of IBCD in T2DM. METHODS Firstly, T2DM key genes were screened by combining with differentially expressed genes (DEGs) analysis and WGCNA. Then, ferroptosis-related genes (FRGs) in IBCD of T2DM were identified by taking the intersection between T2DM key genes and FRGs. Finally, T2DM-FRGs were validated in another T2DM dataset as well as islet single-cell RNA sequencing dataset and the miRNA regulated T2DM-FRG was predicted by using four miRNA databases. RESULTS 89 T2DM key genes were identified between DEGs and WGCNA. Then, 3 T2DM-FRGs were screened by taking the intersection of T2DM key genes and FRGs, namely ITGA6, MGST1 and ENO2. At last, MGST1 were validated as the T2DM-FRG in another T2DM islet issues dataset and islet single-cell RNA sequencing dataset. CONCLUSION MGST1 may be the potential ferroptosis key gene of IBCD in T2DM.
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Affiliation(s)
- Haowen Ye
- Department of Endocrinology and Metabolism, First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Ruxin Wang
- Department of Endocrinology and Metabolism, First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Jinjing Wei
- Department of Endocrinology and Metabolism, First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Ying Wang
- Department of Endocrinology and Metabolism, First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Xiaofang Zhang
- Clinical Experimental Center, First Affiliated Hospital of Jinan University, Guangzhou, China
- *Correspondence: Xiaofang Zhang, ; Lihong Wang,
| | - Lihong Wang
- Department of Endocrinology and Metabolism, First Affiliated Hospital of Jinan University, Guangzhou, China
- *Correspondence: Xiaofang Zhang, ; Lihong Wang,
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16
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Abstract
Pancreatic islets are the body's central rheostat that regulates glucose homeostasis through the production of different hormones, including β cell-derived insulin. During obesity-induced type 2 diabetes (T2D), islet β cells become dysfunctional and inadequate insulin secretion no longer ensures glycemic control. T2D is associated with a chronic low-grade inflammation that manifests in several metabolic organs including the pancreatic islets. Growing evidence suggests that components of the innate immune system, and especially macrophages, play a crucial role in regulating islet homeostasis. Yet, the phenotypes and functions of islet macrophages in physiology and during T2D have only started to attract attention and remain unclear. In this review, the current knowledge about islet inflammation and macrophages will be summarized in humans and rodent models. Recent findings on the cellular and molecular mechanisms involved in islet remodeling and β cell function during obesity and T2D will be discussed.
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Affiliation(s)
- Joyceline Cuenco
- Centre de Recherche des Cordeliers, INSERM, IMMEDIAB Laboratory, Sorbonne Université, Université de Paris, Paris, France
| | - Elise Dalmas
- Centre de Recherche des Cordeliers, INSERM, IMMEDIAB Laboratory, Sorbonne Université, Université de Paris, Paris, France.
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17
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Mukhuty A, Fouzder C, Kundu R. Fetuin-A secretion from β-cells leads to accumulation of macrophages in islets, aggravates inflammation and impairs insulin secretion. J Cell Sci 2021; 134:272470. [PMID: 34643217 DOI: 10.1242/jcs.258507] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 09/27/2021] [Indexed: 12/29/2022] Open
Abstract
Elevated fetuin-A levels, chemokines and islet-resident macrophages are crucial factors associated with obesity-mediated type 2 diabetes (T2D). Here, the aim of the study was to investigate the effect of MIN6 (a mouse insulinoma cell line)-derived fetuin-A (also known as AHSG) in macrophage polarization and decipher the effect of M1 type pro-inflammatory macrophages in commanding over insulin secretion. MIN6 and islet-derived fetuin-A induced expression of the M1 type macrophage markers Emr1 (also known as Adgre1), Cd68 and CD11c (Itgax) (∼1.8 fold) along with increased cytokine secretion. Interestingly, suppression of fetuin-A in MIN6 successfully reduced M1 markers by ∼1.5 fold. MIN6-derived fetuin-A also induced chemotaxis of macrophages in a Boyden chamber chemotaxis assay. Furthermore, high-fat feeding in mice showed elevated cytokine and fetuin-A content in serum and islets, and also migration and polarization of macrophages to the islets, while β-cells failed to meet the increased insulin demand. Moreover, in MIN6 culture, M1 macrophages sharply decreased insulin secretion by ∼2.8 fold. Altogether our results support an association of fetuin-A with islet inflammation and β-cell dysfunction, owing to its role as a key chemoattractant and macrophage polarizing factor.
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Affiliation(s)
- Alpana Mukhuty
- Cell Signaling Laboratory, Department of Zoology, Visva-Bharati University, Santiniketan 731 235, India
| | - Chandrani Fouzder
- Cell Signaling Laboratory, Department of Zoology, Visva-Bharati University, Santiniketan 731 235, India
| | - Rakesh Kundu
- Cell Signaling Laboratory, Department of Zoology, Visva-Bharati University, Santiniketan 731 235, India
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18
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Fung KY, Louis C, Metcalfe RD, Kosasih CC, Wicks IP, Griffin MDW, Putoczki TL. Emerging roles for IL-11 in inflammatory diseases. Cytokine 2021; 149:155750. [PMID: 34689057 DOI: 10.1016/j.cyto.2021.155750] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 10/08/2021] [Accepted: 10/11/2021] [Indexed: 12/16/2022]
Abstract
Interleukin-11 (IL-11) is a cytokine that has been strongly implicated in the pathogenesis of fibrotic diseases and solid malignancies. Elevated IL-11 expression is also associated with several non-malignant inflammatory diseases where its function remains less well-characterized. Here, we summarize current literature surrounding the contribution of IL-11 to the pathogenesis of autoimmune inflammatory diseases, including rheumatoid arthritis, multiple sclerosis, diabetes and systemic sclerosis, as well as other chronic inflammatory conditions such as periodontitis, asthma, chronic obstructive pulmonary disease, psoriasis and colitis.
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Affiliation(s)
- Ka Yee Fung
- Personalised Oncology Division, The Walter and Eliza Hall Institute of Medical Research, Victoria 3052, Australia; Department of Medical Biology, University of Melbourne, Victoria 3053, Australia.
| | - Cynthia Louis
- Department of Medical Biology, University of Melbourne, Victoria 3053, Australia; Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Victoria 3052, Australia
| | - Riley D Metcalfe
- Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Technology Institute, University of Melbourne, Victoria 3010, Australia
| | - Clara C Kosasih
- Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Technology Institute, University of Melbourne, Victoria 3010, Australia
| | - Ian P Wicks
- Department of Medical Biology, University of Melbourne, Victoria 3053, Australia; Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Victoria 3052, Australia; Rheumatology Unit, The Royal Melbourne Hospital, Victoria 3050, Australia
| | - Michael D W Griffin
- Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Technology Institute, University of Melbourne, Victoria 3010, Australia
| | - Tracy L Putoczki
- Personalised Oncology Division, The Walter and Eliza Hall Institute of Medical Research, Victoria 3052, Australia; Department of Medical Biology, University of Melbourne, Victoria 3053, Australia.
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Grosjean A, Venteclef N, Dalmas E. Understanding the heterogeneity and functions of metabolic tissue macrophages. Semin Cell Dev Biol 2021; 119:130-9. [PMID: 34561168 DOI: 10.1016/j.semcdb.2021.09.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 09/06/2021] [Accepted: 09/06/2021] [Indexed: 02/08/2023]
Abstract
Growing evidence places tissue-resident macrophages as essential gatekeepers of metabolic organ homeostasis, including the adipose tissue and the pancreatic islets. Therein, macrophages may adopt specific phenotypes and ensure local functions. Recent advances in single cell genomic analyses provide a comprehensive map of adipose tissue macrophage subsets and their potential roles are now better apprehended. Whether they are beneficial or detrimental, macrophages overall contribute to the proper adipose tissue expansion under steady state and during obesity. By contrast, macrophages residing inside pancreatic islets, which may exert fundamental functions to fine tune insulin secretion, have only started to attract attention and their cellular heterogeneity remains to be established. The present review will focus on the latest findings exploring the phenotype and the properties of macrophages in adipose tissue and pancreatic islets, questioning early beliefs and future perspectives in the field of immunometabolism.
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20
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Cheng M, Zhu Z, Ye S, Chen J, Dong X, Gao G. Clinical Value of Plasma Secreted Frizzled-Related Protein 4 in the Chronic Hepatitis B Virus Infection: A Cross-sectional Study. Hepat Mon 2021; 21. [DOI: 10.5812/hepatmon.116525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Abstract
Background: Secreted frizzled-related protein 4 (sFRP4) is elevated in hepatocellular carcinoma (HCC) patients, suggesting that it can be served as a candidate marker for diagnosing HCC. However, little is known about its role in the different stages of chronic hepatitis B virus (HBV) infection. Objectives: This study was conducted to explore the clinical value of plasma sFRP4 in the different stages of chronic HBV infection. Methods: A total of 303 patients with chronic HBV infection were enrolled in this cross-sectional study. They were classified into the chronic hepatitis B (CHB), liver cirrhosis (LC), HCC, and acute-on-chronic liver failure (ACLF) groups on admission. Additionally, 30 healthy subjects were included in the healthy control (HC) group. The clinical value of plasma sFRP4 in the different stages of chronic HBV infection was analyzed. Results: There were 54, 85, 105, 59, and 30 cases in the CHB, LC, HCC, ACLF, and HC groups, respectively. ACLF group had the highest plasma sFRP4 levels compared to the CHB, LC, and HCC groups (all P < 0.001), followed by the HCC and LC groups. LC and HCC groups were found with up-regulated sFRP4 than the CHB group (all P < 0.05). High levels of plasma sFRP4 were recognized as an independent risk factor for distinguishing patients with ACLF from patients with CHB and LC [adjusted odds ratio (OR):1.005, 95% confidence interval (CI): 1.000 - 1.010, P = 0.043], with the area under the receiver operating characteristic curve (AUC) of 0.790 (95% CI: 0.726 - 0.844, P < 0.001). However, in patients with ACLF, plasma sFRP4 levels in the deteriorated group were higher than in the improved group, with a marginally significant difference (P = 0.071). The AUC for predicting the 90 days prognosis in patients with ACLF was 0.640 (P = 0.064). Conclusions: Plasma sFRP4 might be a biomarker to reflect the progression of chronic HBV infection. However, it was not significantly related to the prognosis in patients with ACLF; we did not find this, which may be due to the small sample size.
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21
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Lu L, Zhuang L, Shen X, Yang L. Glucotoxicity Activation of IL6 and IL11 and Subsequent Induction of Fibrosis May Be Involved in the Pathogenesis of Islet Dysfunction. Front Mol Biosci 2021; 8:708127. [PMID: 34497830 PMCID: PMC8419433 DOI: 10.3389/fmolb.2021.708127] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 08/02/2021] [Indexed: 12/26/2022] Open
Abstract
Background: Islet dysfunction is the main pathological process of type 2 diabetes mellitus (T2DM). Fibrosis causes islet dysfunction, but the current mechanism is still unclear. Here, bioinformatics analysis identified gene clusters closely related to T2DM and differentially expressed genes related to fibrosis, and animal models verified the roles of these genes. Methods: Human islet transcriptomic datasets were obtained from the Gene Expression Omnibus (GEO), and weighted gene coexpression network analysis (WGCNA) was applied to screen the key gene modules related to T2DM and analyze the correlations between the modules and clinical characteristics. Enrichment analysis was performed to identify the functions and pathways of the key module genes. WGCNA, protein-protein interaction (PPI) analysis and receiver operating characteristic (ROC) curve analysis were used to screen the hub genes. The hub genes were verified in another GEO dataset, the islets of high-fat diet (HFD)-fed Sprague-Dawley rats were observed by H&E and Masson’s trichrome staining, the fibrotic proteins were verified by immunofluorescence, and the hub genes were tested by immunohistochemistry. Results: The top 5,000 genes were selected according to the median absolute deviation, and 18 modules were analyzed. The yellow module was highly associated with T2DM, and its positive correlation with glycated hemoglobin (HbA1c) was significantly stronger than that with body mass index (BMI). Enrichment analysis revealed that extracellular matrix organization, the collagen-containing extracellular matrix and cytokine−cytokine receptor interaction might influence T2DM progression. The top three hub genes, interleukin 6 (IL6), IL11 and prostaglandin-endoperoxide synthase 2 (PTGS2), showed upregulated expression in T2DM. In the validation dataset, IL6, IL11, and PTGS2 levels were upregulated in T2DM, and IL6 and PTGS2 expression was positively correlated with HbA1c and BMI; however, IL11 was positively correlated only with HbA1c. In HFD-fed Sprague-Dawley rats, the positive of IL6 and IL11 in islets was stronger, but PTGS2 expression was not significantly altered. The extent of fibrosis, irregular cellular arrangement and positive actin alpha 2 (ACTA2) staining in islets was significantly greater in HFD-fed rats than in normal diet-fed rats. Conclusion: Glucotoxicity is a major factor leading to increased IL6 and IL11 expression, and IL6-and IL11-induced fibrosis might be involved in islet dysfunction.
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Affiliation(s)
- Liqin Lu
- Endocrinology Department, The First Affifiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Lili Zhuang
- Endocrinology Department, The First Affifiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Ximei Shen
- Endocrinology Department, The First Affifiliated Hospital of Fujian Medical University, Fuzhou, China.,Diabetes Research Institute of Fujian Province, Fuzhou, China
| | - Liyong Yang
- Endocrinology Department, The First Affifiliated Hospital of Fujian Medical University, Fuzhou, China.,Diabetes Research Institute of Fujian Province, Fuzhou, China
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22
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Abstract
In this review, Lee and Olefsky discuss the characteristics of chronic inflammation in the major metabolic tissues and how obesity triggers these events, including a focus on the role of adipose tissue hypoxia and macrophage-derived exosomes. Obesity is the most common cause of insulin resistance, and the current obesity epidemic is driving a parallel rise in the incidence of T2DM. It is now widely recognized that chronic, subacute tissue inflammation is a major etiologic component of the pathogenesis of insulin resistance and metabolic dysfunction in obesity. Here, we summarize recent advances in our understanding of immunometabolism. We discuss the characteristics of chronic inflammation in the major metabolic tissues and how obesity triggers these events, including a focus on the role of adipose tissue hypoxia and macrophage-derived exosomes. Last, we also review current and potential new therapeutic strategies based on immunomodulation.
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Affiliation(s)
- Yun Sok Lee
- Department of Medicine, Division of Endocrinology and Metabolism, University of California at San Diego, La Jolla, California 92093, USA
| | - Jerrold Olefsky
- Department of Medicine, Division of Endocrinology and Metabolism, University of California at San Diego, La Jolla, California 92093, USA
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23
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Yuan C, Li Z, Zhao Y, Wang X, Chen L, Zhao Z, Cao M, Chen T, Iqbal T, Zhang B, Fan W, Wei Y, Li C, Zhou X. Follicular fluid exosomes: Important modulator in proliferation and steroid synthesis of porcine granulosa cells. FASEB J 2021; 35:e21610. [PMID: 33908671 DOI: 10.1096/fj.202100030rr] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 04/02/2021] [Accepted: 04/05/2021] [Indexed: 12/12/2022]
Abstract
Granulosa cells (GCs) are regulated by various factors during ovarian development. However, there are few reports on the role of follicular fluid exosomes in ovarian GCs. In this study, porcine ovarian GCs were used to explore the effects of follicular fluid exosomes on GCs. GCs were treated with in vitro, and the changes in cell proliferation, steroid synthesis, and associated signal pathways were detected. The results showed that exosomes increased cell viability and altered the gene expression profile of GCs. Exosomes also increased the level of gene expression associated with both proliferation and progesterone synthesis, in which the MAPK/ERK and WNT/B-CATENIN pathways were involved. In addition, exosome-carried microRNAs were identified by high-throughput sequencing, and exosomal miR-31-5p was found to promote the proliferation of GCs and progesterone synthesis via the WNT/B-CATENIN pathway by targeting the SFRP4 follicle growth inhibitor. In conclusion, this study has demonstrated that exosomes are essential substances involved in regulating the physiological function of GCs.
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Affiliation(s)
- Chenfeng Yuan
- College of Animal Sciences, Jilin University, Changchun, China
| | - Zheng Li
- College of Animal Sciences, Jilin University, Changchun, China
| | - Yun Zhao
- College of Animal Sciences, Jilin University, Changchun, China
| | - Xin Wang
- College of Animal Sciences, Jilin University, Changchun, China
| | - Lu Chen
- College of Animal Sciences, Jilin University, Changchun, China
| | - Zijiao Zhao
- College of Animal Sciences, Jilin University, Changchun, China
| | - Maosheng Cao
- College of Animal Sciences, Jilin University, Changchun, China
| | - Tong Chen
- College of Animal Sciences, Jilin University, Changchun, China
| | - Tariq Iqbal
- College of Animal Sciences, Jilin University, Changchun, China
| | - Boqi Zhang
- College of Animal Sciences, Jilin University, Changchun, China
| | - Wenjing Fan
- College of Animal Sciences, Jilin University, Changchun, China
| | - Yameng Wei
- College of Animal Sciences, Jilin University, Changchun, China
| | - Chunjin Li
- College of Animal Sciences, Jilin University, Changchun, China
| | - Xu Zhou
- College of Animal Sciences, Jilin University, Changchun, China
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24
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Zhang Q, Yu J, Chen Q, Yan H, Du H, Luo W. Regulation of pathophysiological and tissue regenerative functions of MSCs mediated via the WNT signaling pathway (Review). Mol Med Rep 2021; 24:648. [PMID: 34278470 PMCID: PMC8299209 DOI: 10.3892/mmr.2021.12287] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 06/22/2021] [Indexed: 12/18/2022] Open
Abstract
Tissues have remarkable natural capabilities to regenerate for the purpose of physiological turnover and repair of damage. Adult mesenchymal stem cells (MSCs) are well known for their unique self-renewal ability, pluripotency, homing potential, paracrine effects and immunomodulation. Advanced research of the unique properties of MSCs have opened up new horizons for tissue regenerative therapies. However, certain drawbacks of the application of MSCs, such as the low survival rate of transplanted MSCs, unsatisfactory efficiency and even failure to regenerate under an unbalanced microenvironment, are concerning with regards to their wider therapeutic applications. The activity of stem cells is mainly regulated by the anatomical niche; where they are placed during their clinical and therapeutic applications. Crosstalk between various niche signals maintains MSCs in homeostasis, in which the WNT signaling pathway plays vital roles. Several external or internal stimuli have been reported to interrupt the normal bioactivity of stem cells. The irreversible tissue loss that occurs during infection at the site of tissue grafting suggests an inhibitory effect mediated by microbial infections within MSC niches. In addition, MSC-seeded tissue engineering success is difficult in various tissues, when sites of injury are under the effects of a severe infection despite the immunomodulatory properties of MSCs. In the present review, the current understanding of the way in which WNT signaling regulates MSC activity modification under physiological and pathological conditions was summarized. An effort was also made to illustrate parts of the underlying mechanism, including the inflammatory factors and their interactions with the regulatory WNT signaling pathway, aiming to promote the clinical translation of MSC-based therapy.
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Affiliation(s)
- Qingtao Zhang
- Department of Stomatology, The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310085, P.R. China
| | - Jian Yu
- Department of Stomatology, Zhejiang Hospital, Hangzhou, Zhejiang 310030, P.R. China
| | - Qiuqiu Chen
- Department of Stomatology, The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310085, P.R. China
| | - Honghai Yan
- Department of Stomatology, The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310085, P.R. China
| | - Hongjiang Du
- Department of Stomatology, The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310085, P.R. China
| | - Wenjing Luo
- Department of General Dentistry, Boston University Henry M. Goldman School of Dental Medicine, Boston, MA 02118, USA
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25
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Nie X, Wei X, Ma H, Fan L, Chen WD. The complex role of Wnt ligands in type 2 diabetes mellitus and related complications. J Cell Mol Med 2021; 25:6479-6495. [PMID: 34042263 PMCID: PMC8278111 DOI: 10.1111/jcmm.16663] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 05/02/2021] [Accepted: 05/10/2021] [Indexed: 12/15/2022] Open
Abstract
Type 2 diabetes mellitus (T2DM) is one of the major chronic diseases, whose prevalence is increasing dramatically worldwide and can lead to a range of serious complications. Wnt ligands (Wnts) and their activating Wnt signalling pathways are closely involved in the regulation of various processes that are important for the occurrence and progression of T2DM and related complications. However, our understanding of their roles in these diseases is quite rudimentary due to the numerous family members of Wnts and conflicting effects via activating the canonical and/or non-canonical Wnt signalling pathways. In this review, we summarize the current findings on the expression pattern and exact role of each human Wnt in T2DM and related complications, including Wnt1, Wnt2, Wnt2b, Wnt3, Wnt3a, Wnt4, Wnt5a, Wnt5b, Wnt6, Wnt7a, Wnt7b, Wnt8a, Wnt8b, Wnt9a, Wnt9b, Wnt10a, Wnt10b, Wnt11 and Wnt16. Moreover, the role of main antagonists (sFRPs and WIF-1) and coreceptor (LRP6) of Wnts in T2DM and related complications and main challenges in designing Wnt-based therapeutic approaches for these diseases are discussed. We hope a deep understanding of the mechanistic links between Wnt signalling pathways and diabetic-related diseases will ultimately result in a better management of these diseases.
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Affiliation(s)
- Xiaobo Nie
- Key Laboratory of Receptors-Mediated Gene Regulation and Drug Discovery, School of Basic Medical Sciences, People's Hospital of Hebi, Henan University, Kaifeng, China
| | - Xiaoyun Wei
- Key Laboratory of Receptors-Mediated Gene Regulation and Drug Discovery, School of Basic Medical Sciences, People's Hospital of Hebi, Henan University, Kaifeng, China
| | - Han Ma
- Key Laboratory of Receptors-Mediated Gene Regulation and Drug Discovery, School of Basic Medical Sciences, People's Hospital of Hebi, Henan University, Kaifeng, China
| | - Lili Fan
- Key Laboratory of Receptors-Mediated Gene Regulation and Drug Discovery, School of Basic Medical Sciences, People's Hospital of Hebi, Henan University, Kaifeng, China
| | - Wei-Dong Chen
- Key Laboratory of Receptors-Mediated Gene Regulation and Drug Discovery, School of Basic Medical Sciences, People's Hospital of Hebi, Henan University, Kaifeng, China.,Key Laboratory of Molecular Pathology, School of Basic Medical Science, Inner Mongolia Medical University, Hohhot, China
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26
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Gower G, Picazo PI, Fumagalli M, Racimo F. Detecting adaptive introgression in human evolution using convolutional neural networks. eLife 2021; 10:64669. [PMID: 34032215 PMCID: PMC8192126 DOI: 10.7554/elife.64669] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 05/24/2021] [Indexed: 01/10/2023] Open
Abstract
Studies in a variety of species have shown evidence for positively selected variants introduced into a population via introgression from another, distantly related population—a process known as adaptive introgression. However, there are few explicit frameworks for jointly modelling introgression and positive selection, in order to detect these variants using genomic sequence data. Here, we develop an approach based on convolutional neural networks (CNNs). CNNs do not require the specification of an analytical model of allele frequency dynamics and have outperformed alternative methods for classification and parameter estimation tasks in various areas of population genetics. Thus, they are potentially well suited to the identification of adaptive introgression. Using simulations, we trained CNNs on genotype matrices derived from genomes sampled from the donor population, the recipient population and a related non-introgressed population, in order to distinguish regions of the genome evolving under adaptive introgression from those evolving neutrally or experiencing selective sweeps. Our CNN architecture exhibits 95% accuracy on simulated data, even when the genomes are unphased, and accuracy decreases only moderately in the presence of heterosis. As a proof of concept, we applied our trained CNNs to human genomic datasets—both phased and unphased—to detect candidates for adaptive introgression that shaped our evolutionary history.
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Affiliation(s)
- Graham Gower
- Lundbeck GeoGenetics Centre, Globe Institute, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Pablo Iáñez Picazo
- Lundbeck GeoGenetics Centre, Globe Institute, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Matteo Fumagalli
- Department of Life Sciences, Silwood Park Campus, Imperial College London, London, United Kingdom
| | - Fernando Racimo
- Lundbeck GeoGenetics Centre, Globe Institute, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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27
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Guan H, Zheng H, Zhang J, Xiang A, Li Y, Zheng H, Xu L, Liu E, Yu Q. Secreted frizzled-related protein 4 promotes brown adipocyte differentiation. Exp Ther Med 2021; 21:637. [PMID: 33968168 PMCID: PMC8097229 DOI: 10.3892/etm.2021.10069] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 03/08/2021] [Indexed: 01/23/2023] Open
Abstract
Secreted frizzled-related protein 4 (SFRP4) is a member of the SFRP family that contains a cysteine-rich domain homologous to the putative Wnt-binding site of frizzled proteins. In the present report, the effects of SFRP4 on murine brown adipocyte differentiation were evaluated, which exhibited an intrinsic capacity to differentiate with high efficiency. Brown preadipocytes were isolated from the scapular region of brown adipose tissue, which showed that the overexpression of recombinant active SFRP4 protein at three concentrations (1, 10 and 100 ng/ml) significantly increased the expression of adipocyte differentiation-associated genes (C/EBPα, C/EBPβ, UCP-1, PRDM16, PGC1α and GLUT4) in a dose-dependent manner compared with the control group. Secondly, adiponectin protein expression was significantly inhibited in a dose-independent manner, while leptin was increased in brown adipocytes by incubation with the high concentration (100 ng/ml) of SFRP4. Thirdly, the role of interleukin-1β (IL-1β) was investigated in brown adipocytes and discovered that IL-1β cannot induce SFRP4 mRNA expression in brown adipocytes, similar to human islet cells. These data suggested that SFRP4-treated brown adipocytes represent a valuable in vitro model for the study of adipogenesis and indicated that SFRP4 served various functions during brown adipocyte differentiation.
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Affiliation(s)
- Hua Guan
- Shaanxi Key Laboratory of Ischemic Cardiovascular Diseases and Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China.,Department of Anesthesiology, The Fourth Military Medical University Stomatological Hospital, Xi'an, Shaanxi 710032, P.R. China
| | - Huiyuan Zheng
- Shaanxi Key Laboratory of Ischemic Cardiovascular Diseases and Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China
| | - Jin Zhang
- Preventive Dentistry, The Fourth Military Medical University Stomatological Hospital, Xi'an, Shaanxi 710032, P.R. China
| | - Aoqi Xiang
- Shaanxi Key Laboratory of Ischemic Cardiovascular Diseases and Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China
| | - Yongxin Li
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Huadong Zheng
- Shaanxi Key Laboratory of Ischemic Cardiovascular Diseases and Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China
| | - Lixian Xu
- Department of Anesthesiology, The Fourth Military Medical University Stomatological Hospital, Xi'an, Shaanxi 710032, P.R. China
| | - Enqi Liu
- Laboratory Animal Center, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi 710061, P.R. China
| | - Qi Yu
- Shaanxi Key Laboratory of Ischemic Cardiovascular Diseases and Institute of Basic and Translational Medicine, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China
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28
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Bogdanet D, Reddin C, Murphy D, Doheny HC, Halperin JA, Dunne F, O’Shea PM. Emerging Protein Biomarkers for the Diagnosis or Prediction of Gestational Diabetes-A Scoping Review. J Clin Med 2021; 10:jcm10071533. [PMID: 33917484 PMCID: PMC8038821 DOI: 10.3390/jcm10071533] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 04/02/2021] [Accepted: 04/02/2021] [Indexed: 02/06/2023] Open
Abstract
Introduction: Gestational diabetes (GDM), defined as hyperglycemia with onset or initial recognition during pregnancy, has a rising prevalence paralleling the rise in type 2 diabetes (T2DM) and obesity. GDM is associated with short-term and long-term consequences for both mother and child. Therefore, it is crucial we efficiently identify all cases and initiate early treatment, reducing fetal exposure to hyperglycemia and reducing GDM-related adverse pregnancy outcomes. For this reason, GDM screening is recommended as part of routine pregnancy care. The current screening method, the oral glucose tolerance test (OGTT), is a lengthy, cumbersome and inconvenient test with poor reproducibility. Newer biomarkers that do not necessitate a fasting sample are needed for the prompt diagnosis of GDM. The aim of this scoping review is to highlight and describe emerging protein biomarkers that fulfill these requirements for the diagnosis of GDM. Materials and Methods: This scoping review was conducted according to preferred reporting items for systematic reviews and meta-analyses (PRISMA) guidelines for scoping reviews using Cochrane Central Register of Controlled Trials (CENTRAL), the Cumulative Index to Nursing & Allied Health Literature (CINAHL), PubMed, Embase and Web of Science with a double screening and extraction process. The search included all articles published in the literature to July 2020. Results: Of the 3519 original database citations identified, 385 were eligible for full-text review. Of these, 332 (86.2%) were included in the scoping review providing a total of 589 biomarkers studied in relation to GDM diagnosis. Given the high number of biomarkers identified, three post hoc criteria were introduced to reduce the items set for discussion: we chose only protein biomarkers with at least five citations in the articles identified by our search and published in the years 2017-2020. When applied, these criteria identified a total of 15 biomarkers, which went forward for review and discussion. Conclusions: This review details protein biomarkers that have been studied to find a suitable test for GDM diagnosis with the potential to replace the OGTT used in current GDM screening protocols. Ongoing research efforts will continue to identify more accurate and practical biomarkers to take GDM screening and diagnosis into the 21st century.
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Affiliation(s)
- Delia Bogdanet
- College of Medicine Nursing and Health Sciences, National University of Ireland Galway, H91TK33 Galway, Ireland;
- Centre for Diabetes Endocrinology and Metabolism, Galway University Hospital, Newcastle Road, H91YR71 Galway, Ireland; (C.R.); (D.M.); (H.C.D.); (P.M.O.)
- Correspondence: ; Tel.: +35-38-3102-7771
| | - Catriona Reddin
- Centre for Diabetes Endocrinology and Metabolism, Galway University Hospital, Newcastle Road, H91YR71 Galway, Ireland; (C.R.); (D.M.); (H.C.D.); (P.M.O.)
| | - Dearbhla Murphy
- Centre for Diabetes Endocrinology and Metabolism, Galway University Hospital, Newcastle Road, H91YR71 Galway, Ireland; (C.R.); (D.M.); (H.C.D.); (P.M.O.)
| | - Helen C. Doheny
- Centre for Diabetes Endocrinology and Metabolism, Galway University Hospital, Newcastle Road, H91YR71 Galway, Ireland; (C.R.); (D.M.); (H.C.D.); (P.M.O.)
| | - Jose A. Halperin
- Divisions of Haematology, Brigham & Women’s Hospital, Boston, MA 02115, USA;
| | - Fidelma Dunne
- College of Medicine Nursing and Health Sciences, National University of Ireland Galway, H91TK33 Galway, Ireland;
- Centre for Diabetes Endocrinology and Metabolism, Galway University Hospital, Newcastle Road, H91YR71 Galway, Ireland; (C.R.); (D.M.); (H.C.D.); (P.M.O.)
| | - Paula M. O’Shea
- Centre for Diabetes Endocrinology and Metabolism, Galway University Hospital, Newcastle Road, H91YR71 Galway, Ireland; (C.R.); (D.M.); (H.C.D.); (P.M.O.)
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29
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Gil-Rivera M, Medina-Gali RM, Martínez-Pinna J, Soriano S. Physiology of pancreatic β-cells: Ion channels and molecular mechanisms implicated in stimulus-secretion coupling. Int Rev Cell Mol Biol 2021; 359:287-323. [PMID: 33832651 DOI: 10.1016/bs.ircmb.2021.02.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The human and mouse islet of Langerhans is an endocrine organ composed of five different cells types; insulin-secreting β-cells, glucagon-producing α-cells, somatostatin-producing δ-cells, pancreatic polypeptide-secreting PP cells and ɛ-cells that secretes ghrelin. The most important cells are the pancreatic β-cells that comprise around 45-50% of human islets and 75-80% in the mouse. Pancreatic β-cells secrete insulin at high glucose concentration, thereby finely regulating glycaemia by the hypoglycaemic effects of this hormone. Different ion channels are implicated in the stimulus-secretion coupling of insulin. An increase in the intracellular ATP concentration leads to closure KATP channels, depolarizing the cell and opening voltage-gated calcium channels. The increase of intracellular calcium concentration induced by calcium entry through voltage-gated calcium channels promotes insulin secretion. Here, we briefly describe the diversity of ion channels present in pancreatic β-cells and the different mechanisms that are responsible to induce insulin secretion in human and mouse cells. Moreover, we described the pathophysiology due to alterations in the physiology of the main ion channels present in pancreatic β-cell and its implication to predispose metabolic disorders as type 2 diabetes mellitus.
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Affiliation(s)
- Minerva Gil-Rivera
- Departamento de Fisiología, Genética y Microbiología, Universidad de Alicante, Alicante, Spain.
| | - Regla M Medina-Gali
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Madrid, Spain; Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universidad Miguel Hernández, Elche, Spain
| | - Juan Martínez-Pinna
- Departamento de Fisiología, Genética y Microbiología, Universidad de Alicante, Alicante, Spain; Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universidad Miguel Hernández, Elche, Spain
| | - Sergi Soriano
- Departamento de Fisiología, Genética y Microbiología, Universidad de Alicante, Alicante, Spain; Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universidad Miguel Hernández, Elche, Spain.
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30
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Yang J, Yu P. Identification of MEDAG as a Hub Candidate Gene in the Onset and Progression of Type 2 Diabetes Mellitus by Comprehensive Bioinformatics Analysis. Biomed Res Int 2021; 2021:3947350. [PMID: 33728329 DOI: 10.1155/2021/3947350] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 11/27/2020] [Accepted: 02/14/2021] [Indexed: 01/09/2023]
Abstract
Objectives We conducted the present study to identify novel hub candidate genes in the pathogenesis of type 2 diabetes mellitus (T2DM) and provide potential biomarkers or therapeutic targets for dealing with the disease. Methods We conducted weighted gene coexpression network analysis on a series of the expression profiles of the pancreas islet of T2DM patients obtained from the Gene Expression Omnibus database to construct a weighted coexpression network. After dividing genes into separated coexpression modules, we identified a T2DM-related module using Pearson's correlation analysis. Then, hub genes were identified from the T2DM-related module using the Maximal Clique Centrality method and validated by correlation analysis with clinical traits, differentially expressed gene analysis, validation in other datasets, and single-gene gene set enrichment analysis (GSEA). Results Genes were divided into 16 coexpression modules, and one module was identified as a T2DM-related module. Four hub candidate genes were identified, and MEDAG was a novel hub candidate gene. The expression level of MEDAG was positively correlated with hemoglobin A1c (HbA1c) and was evidently overexpressed in the pancreas islet tissue of T2DM patients compared with normal control. Analyses on two other datasets supported the results. GSEA verified that MEDAG plays essential roles in T2DM. Conclusions MEDAG is a novel hub candidate of T2DM, and its irregular expression in the pancreas islet plays vital roles in the pathogenesis of T2DM. MEDAG is a potential target of intervention in the future for the treatment of T2DM.
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31
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Snowhite I, Pastori R, Sosenko J, Messinger Cayetano S, Pugliese A. Baseline Assessment of Circulating MicroRNAs Near Diagnosis of Type 1 Diabetes Predicts Future Stimulated Insulin Secretion. Diabetes 2021; 70:638-651. [PMID: 33277338 PMCID: PMC7881864 DOI: 10.2337/db20-0817] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 11/24/2020] [Indexed: 12/16/2022]
Abstract
Type 1 diabetes is an autoimmune disease resulting in severely impaired insulin secretion. We investigated whether circulating microRNAs (miRNAs) are associated with residual insulin secretion at diagnosis and predict the severity of its future decline. We studied 53 newly diagnosed subjects enrolled in placebo groups of TrialNet clinical trials. We measured serum levels of 2,083 miRNAs, using RNA sequencing technology, in fasting samples from the baseline visit (<100 days from diagnosis), during which residual insulin secretion was measured with a mixed meal tolerance test (MMTT). Area under the curve (AUC) C-peptide and peak C-peptide were stratified by quartiles of expression of 31 miRNAs. After adjustment for baseline C-peptide, age, BMI, and sex, baseline levels of miR-3187-3p, miR-4302, and the miRNA combination of miR-3187-3p/miR-103a-3p predicted differences in MMTT C-peptide AUC/peak levels at the 12-month visit; the combination miR-3187-3p/miR-4723-5p predicted proportions of subjects above/below the 200 pmol/L clinical trial eligibility threshold at the 12-month visit. Thus, miRNA assessment at baseline identifies associations with C-peptide and stratifies subjects for future severity of C-peptide loss after 1 year. We suggest that miRNAs may be useful in predicting future C-peptide decline for improved subject stratification in clinical trials.
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Affiliation(s)
- Isaac Snowhite
- Diabetes Research Institute, Leonard M. Miller School of Medicine, University of Miami, Miami, FL
| | - Ricardo Pastori
- Diabetes Research Institute, Leonard M. Miller School of Medicine, University of Miami, Miami, FL
- Division of Endocrinology and Metabolism, Department of Medicine, Leonard M. Miller School of Medicine, University of Miami, Miami, FL
| | - Jay Sosenko
- Division of Endocrinology and Metabolism, Department of Medicine, Leonard M. Miller School of Medicine, University of Miami, Miami, FL
| | - Shari Messinger Cayetano
- Department of Public Health Sciences, Leonard M. Miller School of Medicine, University of Miami, Miami, FL
| | - Alberto Pugliese
- Diabetes Research Institute, Leonard M. Miller School of Medicine, University of Miami, Miami, FL
- Division of Endocrinology and Metabolism, Department of Medicine, Leonard M. Miller School of Medicine, University of Miami, Miami, FL
- Department of Microbiology and Immunology, Leonard M. Miller School of Medicine, University of Miami, Miami, FL
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32
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Awasthi A, Hande MH, Rao P, Srinivas T, Hanumaiah G. Association of Secreted Frizzled Related Protein 4 with Type 2 Diabetes Mellitus and its complications: A South Indian hospital based case control study. Clinical Epidemiology and Global Health 2021; 9:171-174. [DOI: 10.1016/j.cegh.2020.08.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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33
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Guan H, Zhang J, Luan J, Xu H, Huang Z, Yu Q, Gou X, Xu L. Secreted Frizzled Related Proteins in Cardiovascular and Metabolic Diseases. Front Endocrinol (Lausanne) 2021; 12:712217. [PMID: 34489867 PMCID: PMC8417734 DOI: 10.3389/fendo.2021.712217] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 07/23/2021] [Indexed: 11/13/2022] Open
Abstract
Abnormal gene expression and secreted protein levels are accompanied by extensive pathological changes. Secreted frizzled related protein (SFRP) family members are antagonistic inhibitors of the Wnt signaling pathway, and they were recently found to be involved in the pathogenesis of a variety of metabolic diseases, which has led to extensive interest in SFRPs. Previous reports highlighted the importance of SFRPs in lipid metabolism, obesity, type 2 diabetes mellitus and cardiovascular diseases. In this review, we provide a detailed introduction of SFRPs, including their structural characteristics, receptors, inhibitors, signaling pathways and metabolic disease impacts. In addition to summarizing the pathologies and potential molecular mechanisms associated with SFRPs, this review further suggests the potential future use of SFRPs as disease biomarkers therapeutic targets.
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Affiliation(s)
- Hua Guan
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Anethesiology, School of Stomatology, Fourth Military Medical University, Xi’an, China
- Shaanxi Key Laboratory of Ischemic Cardiovascular Disease, Institute of Basic and Translational Medicine, Xi’an Medical University, Xi’an, China
| | - Jin Zhang
- Department of Preventive Medicine, School of Stomatology, Fourth Military Medical University, Xi’an, China
| | - Jing Luan
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Anethesiology, School of Stomatology, Fourth Military Medical University, Xi’an, China
- Shaanxi Key Laboratory of Brain Disorders & Institute of Basic and Translational Medicine, Xi’an Medical University, Xi’an, China
| | - Hao Xu
- Institution of Basic Medical Science, Xi’an Medical University, Xi’an, China
| | - Zhenghao Huang
- Shaanxi Key Laboratory of Ischemic Cardiovascular Disease, Institute of Basic and Translational Medicine, Xi’an Medical University, Xi’an, China
| | - Qi Yu
- Shaanxi Key Laboratory of Ischemic Cardiovascular Disease, Institute of Basic and Translational Medicine, Xi’an Medical University, Xi’an, China
| | - Xingchun Gou
- Shaanxi Key Laboratory of Brain Disorders & Institute of Basic and Translational Medicine, Xi’an Medical University, Xi’an, China
- *Correspondence: Lixian Xu, ; Xingchun Gou,
| | - Lixian Xu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Anethesiology, School of Stomatology, Fourth Military Medical University, Xi’an, China
- *Correspondence: Lixian Xu, ; Xingchun Gou,
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Busuttil RA, George J, House CM, Lade S, Mitchell C, Di Costanzo NS, Pattison S, Huang YK, Tan P, Cheong JH, Rha SY, Boussioutas A. SFRP4 drives invasion in gastric cancer and is an early predictor of recurrence. Gastric Cancer 2021; 24:589-601. [PMID: 33277667 PMCID: PMC8064978 DOI: 10.1007/s10120-020-01143-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 11/14/2020] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Gastric cancer patients generally have a poor outcome, particularly those with advanced-stage disease which is defined by the increased invasion of cancer locally and is associated with higher metastatic potential. This study aimed to identify genes that were functional in the most fundamental hallmark of cancer, namely invasion. We then wanted to assess their value as biomarkers of gastric cancer progression and recurrence. DESIGN Data from a cohort of patients profiled on cDNA expression arrays was interrogated using K-means analysis. This genomic approach classified the data based on patterns of gene expression allowing the identification of the genes most correlated with the invasion of GC. We evaluated the functional role of a key protein from this analysis in invasion and as a biomarker of recurrence after curative resection. RESULTS Expression of secreted frizzled-related protein 4 (SFRP4) was identified as directly proportional to gastric cancer invasion. This finding was validated in multiple, independent datasets and its functional role in invasion was also confirmed using invasion assays. A change in serum levels of SFRP4 after curative resection, when coupled with AJCC stage, can accurately predict the risk of disease recurrence after curative therapy in an assay we termed PredictR. CONCLUSIONS This simple ELISA-based assay can help predict recurrence of disease after curative gastric cancer surgery irrespective of adjuvant therapy. The results require further evaluation in a prospective trial but would help in the rational prescription of cancer therapies and surveillance to prevent under or over treatment of patients after curative resection.
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Affiliation(s)
- Rita A. Busuttil
- Upper Gastrointestinal Translational Research Laboratory, Peter MacCallum Cancer Centre, 305 Grattan St, Parkville, VIC Australia ,Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC Australia ,Department of Medicine, The University of Melbourne, Parkville, VIC Australia
| | - Joshy George
- Computational Sciences, Jackson Laboratory for Genomic Medicine, Farmington, USA
| | - Colin M. House
- Upper Gastrointestinal Translational Research Laboratory, Peter MacCallum Cancer Centre, 305 Grattan St, Parkville, VIC Australia
| | - Stephen Lade
- Department of Pathology, Peter MacCallum Cancer Centre, East Melbourne, VIC Australia
| | - Catherine Mitchell
- Department of Pathology, Peter MacCallum Cancer Centre, East Melbourne, VIC Australia
| | - Natasha S. Di Costanzo
- Upper Gastrointestinal Translational Research Laboratory, Peter MacCallum Cancer Centre, 305 Grattan St, Parkville, VIC Australia
| | - Sharon Pattison
- Department of Medicine, University of Otago, Dunedin, New Zealand
| | - Yu-Kuan Huang
- Upper Gastrointestinal Translational Research Laboratory, Peter MacCallum Cancer Centre, 305 Grattan St, Parkville, VIC Australia ,Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC Australia ,Department of Medicine, The University of Melbourne, Parkville, VIC Australia
| | - Patrick Tan
- Genome Institute of Singapore, Singapore, Singapore ,Cancer Science Institute of Singapore, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Jae-Ho Cheong
- Department of Surgery, Yonsei University College of Medicine, Seoul, Republic of Korea ,Department of Biomedical Systems Informatics, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Sun Young Rha
- Division of Medical Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Alex Boussioutas
- Upper Gastrointestinal Translational Research Laboratory, Peter MacCallum Cancer Centre, 305 Grattan St, Parkville, VIC Australia ,Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, VIC Australia ,Department of Medicine, The University of Melbourne, Parkville, VIC Australia
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Abstract
Insulin-producing β-cells constitute the majority of the cells in the pancreatic islets. Dysfunction of these cells is a key factor in the loss of glucose regulation that characterizes type 2 diabetes. The regulation of many of the functions of β-cells relies on their close interaction with the intra-islet microvasculature, comprised of endothelial cells and pericytes. In addition to providing islet blood supply, cells of the islet vasculature directly regulate β-cell activity through the secretion of growth factors and other molecules. These factors come from capillary mural pericytes and endothelial cells, and have been shown to promote insulin gene expression, insulin secretion, and β-cell proliferation. This review focuses on the intimate crosstalk of the vascular cells and β-cells and its role in glucose homeostasis and diabetes.
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Affiliation(s)
- Guzel Burganova
- Department of Cell and Development Biology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Claire Bridges
- Charles Perkins Centre, Faculty of Medicine and Health, University of Sydney, Camperdown, NSW, Australia
| | - Peter Thorn
- Charles Perkins Centre, Faculty of Medicine and Health, University of Sydney, Camperdown, NSW, Australia
| | - Limor Landsman
- Department of Cell and Development Biology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- *Correspondence: Limor Landsman,
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Abstract
Secreted frizzled-related protein (SFRP) 4 is an extracellular antagonist of Wnt signalling that regulates adipogenesis, and is highly in the visceral adipose tissue of obese individuals. However, it is still unclear how exactly SFRP4 regulates the secretion of adipokines in the adipose tissue in vivo, an event that is closely related to the pathogenesis of obesity and insulin resistance. In this study, we generated transgenic (Tg) mice overexpressing SFRP4 in the liver and investigated SFRP4 role in adipokine secretion in mice on a regular normal diet. In Tg mice, SFRP4 protein was overexpressed in the liver, as compared to wild-type littermates (non-Tg), and released into the blood. Moreover, the size of adipocytes was smaller in the visceral adipose tissue of Tg mice compared to controls. Additionally, SFRP4 overexpression affected the expression of genes related to adipocyte differentiation, causing the upregulation of adiponectin and glucose transporter 4, and the downregulation of CCAAT/enhancer-binding protein-β, in both visceral and subcutaneous adipose tissue. However, there was no difference in body weight or body composition between Tg and non-Tg mice. In summary, our data showed that SFRP4 overexpression altered adipocyte size and adipokine secretion, possibly affecting adipocyte differentiation, obesity, and glucose metabolism.
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Affiliation(s)
- Yali Zhang
- Research Institute of Atherosclerotic Disease, Xi’an Jiaotong University Cardiovascular Research Centre, Xi’an, Shaanxi, China
- Laboratory Animal Center, Xi’an Jiaotong University Health Science Centre, Xi’an, Shaanxi, China
| | - Hua Guan
- Shaanxi Key Laboratory of Ischemic Cardiovascular Diseases & Institute of Basic and Translational Medicine, Xi’an Medical University, Xi’an, ShaanXi, China
| | - Yu Fu
- Research Institute of Atherosclerotic Disease, Xi’an Jiaotong University Cardiovascular Research Centre, Xi’an, Shaanxi, China
- Laboratory Animal Center, Xi’an Jiaotong University Health Science Centre, Xi’an, Shaanxi, China
| | - Xin Wang
- Laboratory Animal Center, Xi’an Jiaotong University Health Science Centre, Xi’an, Shaanxi, China
| | - Liang Bai
- Research Institute of Atherosclerotic Disease, Xi’an Jiaotong University Cardiovascular Research Centre, Xi’an, Shaanxi, China
- Laboratory Animal Center, Xi’an Jiaotong University Health Science Centre, Xi’an, Shaanxi, China
| | - Sihai Zhao
- Research Institute of Atherosclerotic Disease, Xi’an Jiaotong University Cardiovascular Research Centre, Xi’an, Shaanxi, China
- Laboratory Animal Center, Xi’an Jiaotong University Health Science Centre, Xi’an, Shaanxi, China
| | - Enqi Liu
- Research Institute of Atherosclerotic Disease, Xi’an Jiaotong University Cardiovascular Research Centre, Xi’an, Shaanxi, China
- Laboratory Animal Center, Xi’an Jiaotong University Health Science Centre, Xi’an, Shaanxi, China
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Abstract
Wnt signaling is a highly conserved signaling pathway that plays a critical role in controlling embryonic and organ development, as well as cancer progression. Genome-wide sequencing and gene expression profile analyses have demonstrated that Wnt signaling is involved mainly in the processes of breast cancer proliferation and metastasis. The most recent studies have indicated that Wnt signaling is also crucial in breast cancer immune microenvironment regulation, stemness maintenance, therapeutic resistance, phenotype shaping, etc. Wnt/β-Catenin, Wnt-planar cell polarity (PCP), and Wnt-Ca2+ signaling are three well-established Wnt signaling pathways that share overlapping components and play different roles in breast cancer progression. In this review, we summarize the main findings concerning the relationship between Wnt signaling and breast cancer and provide an overview of existing mechanisms, challenges, and potential opportunities for advancing the therapy and diagnosis of breast cancer.
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Affiliation(s)
- Xiufang Xu
- School of Medical Imaging, Hangzhou Medical College, Hangzhou, 310053 Zhejiang China
| | - Miaofeng Zhang
- Department of Orthopedic Surgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009 Zhejiang China
| | - Faying Xu
- School of Medical Imaging, Hangzhou Medical College, Hangzhou, 310053 Zhejiang China
| | - Shaojie Jiang
- School of Medical Imaging, Hangzhou Medical College, Hangzhou, 310053 Zhejiang China
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Schuitemaker JHN, Beernink RHJ, Franx A, Cremers TIFH, Koster MPH. First trimester secreted Frizzled-Related Protein 4 and other adipokine serum concentrations in women developing gestational diabetes mellitus. PLoS One 2020; 15:e0242423. [PMID: 33206702 PMCID: PMC7673552 DOI: 10.1371/journal.pone.0242423] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 11/02/2020] [Indexed: 01/03/2023] Open
Abstract
Background The aim of this study was to evaluate whether soluble frizzled-related protein 4 (sFRP4) concentration in the first trimester of pregnancy is individually, or in combination with Leptin, Chemerin and/or Adiponectin, associated with the development of gestational diabetes (GDM). Methods In a nested case-control study, 50 women with GDM who spontaneously conceived and delivered a live-born infant were matched with a total of 100 uncomplicated singleton control pregnancies based on body mass index (± 2 kg/m2), gestational age at sampling (exact day) and maternal age (± 2 years). In serum samples, obtained between 70–90 days gestational age, sFRP4, Chemerin, Leptin and Adiponectin concentrations were determined by ELISA. Statistical comparisons were performed using univariate and multi-variate logistic regression analysis after logarithmic transformation of the concentrations. Discrimination of the models was assessed by the area under the curve (AUC). Results First trimester sFRP4 concentrations were significantly increased in GDM cases (2.04 vs 1.93 ng/ml; p<0.05), just as Chemerin (3.19 vs 3.15 ng/ml; p<0.05) and Leptin (1.44 vs 1.32 ng/ml; p<0.01). Adiponectin concentrations were significantly decreased (2.83 vs 2.94 ng/ml; p<0.01) in GDM cases. Further analysis only showed a weak, though significant, correlation of sFRP4 with Chemerin (R2 = 0.124; p<0.001) and Leptin (R2 = 0.145; p<0.001), and Chemerin with Leptin (R2 = 0.282; p<0.001) in the control group. In a multivariate logistic regression model of these four markers, only Adiponectin showed to be significantly associated with GDM (odds ratio 0.12, 95%CI 0.02–0.68). The AUC of this model was 0.699 (95%CI 0.605–0.793). Conclusion In the first trimester of pregnancy, a multi-marker model with sFRP4, Leptin, Chemerin and Adiponectin is associated with the development of GDM. Therefore, this panel seems to be an interesting candidate to further evaluate for prediction of GDM in a prospective study.
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Affiliation(s)
- Joost H. N. Schuitemaker
- Division of Medical Biology, Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
- Research & Development, IQ Products BV, Groningen, The Netherlands
| | - Rik H. J. Beernink
- Research & Development, IQ Products BV, Groningen, The Netherlands
- Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, The Netherlands
- * E-mail:
| | - Arie Franx
- Department of Obstetrics and Gynaecology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Thomas I. F. H. Cremers
- Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, The Netherlands
| | - Maria P. H. Koster
- Department of Obstetrics and Gynaecology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
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Thorens B, Rodriguez A, Cruciani-Guglielmacci C, Wigger L, Ibberson M, Magnan C. Use of preclinical models to identify markers of type 2 diabetes susceptibility and novel regulators of insulin secretion - A step towards precision medicine. Mol Metab 2019; 27S:S147-54. [PMID: 31500826 DOI: 10.1016/j.molmet.2019.06.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Progression from pre-diabetes to type 2 diabetes (T2D) and from T2D to insulin requirement proceeds at very heterogenous rates among patient populations, and the risk of developing different types of secondary complications is also different between patients. The diagnosis of pre-diabetes and T2D solely based on blood glucose measurements cannot capture this heterogeneity, thereby preventing proposition of therapeutic strategies adapted to individual needs and pathogenetic mechanisms. There is, thus, a need to identify novel means to stratify patient populations based on a molecular knowledge of the diverse underlying causes of the disease. Such knowledge would form the basis for a precision medicine approach to preventing and treating T2D according to the need of identified patient subgroups as well as allowing better follow up of pharmacological treatment. SCOPE OF REVIEW Here, we review a systems biology approach that aims at identifying novel biomarkers for T2D susceptibility and identifying novel beta-cell and insulin target tissue genes that link the selected plasma biomarkers with insulin secretion and insulin action. This work was performed as part of two Innovative Medicine Initiative projects. The focus of the review will be on the use of preclinical models to find biomarker candidates for T2D prediction and novel regulators of beta-cell function. We will demonstrate that the study of mice with different genetic architecture and widely different adaptation to metabolic stress can be a powerful approach to identify biomarkers of T2D susceptibility in humans or for the identification of so far unrecognized genes controlling beta-cell function. MAJOR CONCLUSIONS The examples developed in this review will highlight the power of the systems biology approach, in particular as it allowed the discovery of dihydroceramide as a T2D biomarker candidate in mice and humans and the identification and characterization of novel regulators of beta-cell function.
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Marchetti P, Suleiman M, De Luca C, Baronti W, Bosi E, Tesi M, Marselli L. A direct look at the dysfunction and pathology of the β cells in human type 2 diabetes. Semin Cell Dev Biol 2020; 103:83-93. [PMID: 32417220 DOI: 10.1016/j.semcdb.2020.04.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 03/27/2020] [Accepted: 04/09/2020] [Indexed: 12/25/2022]
Abstract
β cells uniquely produce and secrete insulin under the control of several, integrated signals, to maintain blood glucose concentrations within a narrow physiological interval. β cell failure is key to the onset and progression of type 2 diabetes, due to impaired function and reduced mass. In this review we focus on several features of human β cell dysfunction and pathology in type 2 diabetes, as revealed by direct assessment of isolated islet traits and examination of pancreatic tissue from organ donors, surgical samples or autoptic specimens. Insulin secretion defects and pathology findings are discussed in relation to some of the major underlying mechanisms, to also provide clues for conceiving better prevention and treatment of type 2 diabetes by targeting the pancreatic β cells.
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Affiliation(s)
- Piero Marchetti
- Department of Clinical and Experimental Medicine - University of Pisa, Via Savi 10, Pisa, Italy.
| | - Mara Suleiman
- Department of Clinical and Experimental Medicine - University of Pisa, Via Savi 10, Pisa, Italy
| | - Carmela De Luca
- Department of Clinical and Experimental Medicine - University of Pisa, Via Savi 10, Pisa, Italy
| | - Walter Baronti
- Department of Clinical and Experimental Medicine - University of Pisa, Via Savi 10, Pisa, Italy
| | - Emanuele Bosi
- Department of Clinical and Experimental Medicine - University of Pisa, Via Savi 10, Pisa, Italy
| | - Marta Tesi
- Department of Clinical and Experimental Medicine - University of Pisa, Via Savi 10, Pisa, Italy
| | - Lorella Marselli
- Department of Clinical and Experimental Medicine - University of Pisa, Via Savi 10, Pisa, Italy
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Luo M, Xu C, Luo Y, Wang G, Wu J, Wan Q. Circulating miR-103 family as potential biomarkers for type 2 diabetes through targeting CAV-1 and SFRP4. Acta Diabetol 2020; 57:309-322. [PMID: 31583475 DOI: 10.1007/s00592-019-01430-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 09/23/2019] [Indexed: 12/13/2022]
Abstract
AIMS MicroRNA-103 (miR-103) family plays important roles in regulating glucose homeostasis in type 2 diabetes mellitus (DM2). However, the underlying mechanisms remain poorly characterized. The objective of this study was to test the hypothesis that circulating miR-103a and miR-103b, which regulate CAV-1 and SFRP4, respectively, are novel biomarkers for diagnosis of DM2. METHODS We determined the predictive potential of circulating miR-103a and miR-103b in pre-DM subjects (pre-DM), noncomplicated diabetic subjects, and normal glucose-tolerance individuals (control) using bioinformatic analysis, qRT-PCR, luciferase assays, and ELISA assays. RESULTS We found that both miR-103a and miR-103b had high complementarity and conservation, modulated reporter gene expression through seed sequences in the 3'UTRs of CAV-1 and SFRP4 mRNA, and negatively regulated their mRNA and protein levels, respectively. We also found that increased miR-103a and decreased miR-103a in plasma were significantly and negatively correlated with reduced CAV-1 levels and elevated SFRP4 levels in pre-DM and DM2, respectively, and were significantly associated with glucose metabolism, HbA1c levels, and other DM2 risk factors for progression from a normal individual to one with pre-DM. Furthermore, we demonstrated that the reciprocal changes in circulating miR-103a and miR-103b not only provided high sensitivity and specificity to differentiate the pre-DM population but also acted as biomarkers for predicting DM2 with high diagnostic value. CONCLUSIONS These findings suggest that circulating miR-103a and miR-103b may serve as novel biomarkers for diagnosis of DM2, providing novel insight into the mechanisms underlying pre-DM.
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Affiliation(s)
- Mao Luo
- Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease of Sichuan Province, Drug Discovery Research Center, Southwest Medical University, Luzhou, Sichuan, China
- Laboratory for Cardiovascular Pharmacology of Department of Pharmacology, The School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Chunrong Xu
- Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease of Sichuan Province, Drug Discovery Research Center, Southwest Medical University, Luzhou, Sichuan, China
- Laboratory for Cardiovascular Pharmacology of Department of Pharmacology, The School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Yulin Luo
- GCP Center, Affiliated Hospital (T.C.M) of Southwest Medical University, Luzhou, Sichuan, China
| | - Gang Wang
- Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease of Sichuan Province, Drug Discovery Research Center, Southwest Medical University, Luzhou, Sichuan, China
- Laboratory for Cardiovascular Pharmacology of Department of Pharmacology, The School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Jianbo Wu
- Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease of Sichuan Province, Drug Discovery Research Center, Southwest Medical University, Luzhou, Sichuan, China
- Laboratory for Cardiovascular Pharmacology of Department of Pharmacology, The School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Qin Wan
- Department of Endocrinology, Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China.
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Bicer M, Alarslan P, Guler A, Demir I, Aslanipour B, Calan M. Elevated circulating levels of secreted frizzled-related protein 4 in relation to insulin resistance and androgens in women with polycystic ovary syndrome. J Endocrinol Invest 2020; 43:305-313. [PMID: 31486991 DOI: 10.1007/s40618-019-01108-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 08/30/2019] [Indexed: 01/19/2023]
Abstract
PURPOSE Secreted frizzled-related protein 4 (SFRP4) is an adipokine involving in apoptotic process during ovulation and energy metabolism. Polycystic ovary syndrome (PCOS) is a common reproductive and metabolic disorder associated with insulin resistance and impaired oocyte maturation as well as apoptotic dysfunctions through oocyte development. Our aim was to determine whether there was an alteration in levels of SFRP4 and if there was an association between metabolic or hormonal parameters and SFRP4 in women with PCOS. METHODS We enrolled 80 subjects with PCOS and 80 age- and body mass index (BMI)-matched subjects with normal menstrual cycle into current case-control study. Metabolic and hormonal parameters of enrolled subjects were determined. Circulating SFRP4 levels were measured with ELISA method. RESULTS We found that circulating SFRP4 levels were elevated in women with PCOS with respect to controls (5.87 ± 1.91 vs. 3.72 ± 1.29 ng/ml, P < 0.001). We also found a positive association between SFRP4 and insulin resistance, androgens, ovarian follicular number or ovarian volume in women with PCOS. Binary logistic regression analysis revealed that subjects with the highest tertile of SFPR4 levels displayed increased possibility of having PCOS risk compared to those subjects with the lowest tertile of SFRP4 levels. CONCLUSIONS Increased SFRP4 levels were not only associated with higher possibility of having PCOS but also related to insulin resistance, hyperandrogenism, ovarian follicular number and ovarian volume, suggesting that SFPR4 could be a player in different pathophysiologic pathways of PCOS.
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Affiliation(s)
- M Bicer
- Department of Obstetrics and Gynecology, Medical Park Hospital, 35575, Izmir, Turkey
| | - P Alarslan
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Izmir Bozyaka Training and Research Hospital, Bozyaka, 35170, Izmir, Turkey
| | - A Guler
- Department of Family Physician, Izmir Bozyaka Training and Research Hospital, Bozyaka, 35170, Izmir, Turkey
| | - I Demir
- Department of Internal Medicine, Izmir Bozyaka Training and Research Hospital, Bozyaka, 35170, Izmir, Turkey
| | - B Aslanipour
- Department of Bioengineering, Faculty of Engineering, Ege University, Bornova, 35100, Izmir, Turkey
| | - M Calan
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Izmir Bozyaka Training and Research Hospital, Bozyaka, 35170, Izmir, Turkey.
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Orliaguet L, Dalmas E, Drareni K, Venteclef N, Alzaid F. Mechanisms of Macrophage Polarization in Insulin Signaling and Sensitivity. Front Endocrinol (Lausanne) 2020; 11:62. [PMID: 32140136 PMCID: PMC7042402 DOI: 10.3389/fendo.2020.00062] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 01/30/2020] [Indexed: 12/11/2022] Open
Abstract
Type-2 diabetes (T2D) is a disease of two etiologies: metabolic and inflammatory. At the cross-section of these etiologies lays the phenomenon of metabolic inflammation. Whilst metabolic inflammation is characterized as systemic, a common starting point is the tissue-resident macrophage, who's successful physiological or aberrant pathological adaptation to its microenvironment determines disease course and severity. This review will highlight the key mechanisms in macrophage polarization, inflammatory and non-inflammatory signaling that dictates the development and progression of insulin resistance and T2D. We first describe the known homeostatic functions of tissue macrophages in insulin secreting and major insulin sensitive tissues. Importantly we highlight the known mechanisms of aberrant macrophage activation in these tissues and the ways in which this leads to impairment of insulin sensitivity/secretion and the development of T2D. We next describe the cellular mechanisms that are known to dictate macrophage polarization. We review recent progress in macrophage bio-energetics, an emerging field of research that places cellular metabolism at the center of immune-effector function. Importantly, following the advent of the metabolically-activated macrophage, we cover the known transcriptional and epigenetic factors that canonically and non-canonically dictate macrophage differentiation and inflammatory polarization. In closing perspectives, we discuss emerging research themes and highlight novel non-inflammatory or non-immune roles that tissue macrophages have in maintaining microenvironmental and systemic homeostasis.
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Affiliation(s)
- Lucie Orliaguet
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, USPC, Université Paris Descartes, Université Paris Diderot, Paris, France
| | - Elise Dalmas
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, USPC, Université Paris Descartes, Université Paris Diderot, Paris, France
| | - Karima Drareni
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, USPC, Université Paris Descartes, Université Paris Diderot, Paris, France
- Institute for Diabetes, Obesity and Metabolism, University of Pennsylvania, Philadelphia, PA, United States
| | - Nicolas Venteclef
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, USPC, Université Paris Descartes, Université Paris Diderot, Paris, France
| | - Fawaz Alzaid
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, USPC, Université Paris Descartes, Université Paris Diderot, Paris, France
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Abstract
Secreted frizzled-related proteins (Sfrps) are a family of secreted proteins that
bind extracellularly to Wnt ligands and frizzled receptors. This binding
modulates the Wnt signaling cascade, and Sfrps interact with their corresponding
receptors. Sfrps are thought to play an important role in the pathological
mechanism of cardiac disease such as myocardial infarction, cardiac remodeling,
and heart failure. However, the overall role of Sfrps in cardiac disease is
unknown. Some members of the Sfrps family modulate cellular apoptosis,
angiogenesis, differentiation, the inflammatory process, and cardiac remodeling.
In this review, we summarize the evidence of Sfrps association with cardiac
disease. We also discuss how multiple mechanisms may underlie Sfrps being
involved in such diverse pathologies.
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Affiliation(s)
- Anqing Huang
- Department of Cardiology, Shunde Hospital, Southern Medical University, Foshan, China
| | - Yuli Huang
- Department of Cardiology, Shunde Hospital, Southern Medical University, Jiazhi Road, Lunjiao Town, Shunde District, Foshan, Guangdong 528300, China The George Institute for Global Health, NSW 2042, Australia
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Dini L, Tacconi S, Carata E, Tata AM, Vergallo C, Panzarini E. Microvesicles and exosomes in metabolic diseases and inflammation. Cytokine Growth Factor Rev 2020; 51:27-39. [PMID: 31917095 DOI: 10.1016/j.cytogfr.2019.12.008] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 12/22/2019] [Accepted: 12/30/2019] [Indexed: 12/30/2022]
Abstract
Metabolic diseases are based on a dysregulated crosstalk between various cells such as adipocytes, hepatocytes and immune cells. Generally, hormones and metabolites mediate this crosstalk that becomes alterated in metabolic syndrome including obesity and diabetes. Recently, Extracellular Vesicles (EVs) are emerging as a novel way of cell-to-cell communication and represent an attractive strategy to transfer fundamental informations between the cells through the transport of proteins and nucleic acids. EVs, released in the extracellular space, circulate via the various body fluids and modulate the cellular responses following their interaction with the near and far target cells. Clinical and experimental data support their role as biomarkers and bioeffectors in several diseases includimg also the metabolic syndrome. Despite numerous studies on the role of macrophages in the development of metabolic diseases, to date, there are little informations about the influence of metabolic stress on the EVs produced by macrophages and about the role of the released vesicles in the organism. Here, we review current understanding about the role of EVs in metabolic diseases, mainly in inflammation status burst. This knowledge may play a relevant role in health monitoring, medical diagnosis and personalized medicine.
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Hörbelt T, Knebel B, Fahlbusch P, Barbosa D, de Wiza DH, Van de Velde F, Van Nieuwenhove Y, Lapauw B, Thoresen GH, Al-Hasani H, Müller-Wieland D, Ouwens DM, Kotzka J. The adipokine sFRP4 induces insulin resistance and lipogenesis in the liver. Biochim Biophys Acta Mol Basis Dis 2019; 1865:2671-2684. [DOI: 10.1016/j.bbadis.2019.07.008] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 06/19/2019] [Accepted: 07/18/2019] [Indexed: 01/04/2023]
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Ježek P, Jabůrek M, Plecitá-Hlavatá L. Contribution of Oxidative Stress and Impaired Biogenesis of Pancreatic β-Cells to Type 2 Diabetes. Antioxid Redox Signal 2019; 31:722-751. [PMID: 30450940 PMCID: PMC6708273 DOI: 10.1089/ars.2018.7656] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 11/05/2018] [Indexed: 12/14/2022]
Abstract
Significance: Type 2 diabetes development involves multiple changes in β-cells, related to the oxidative stress and impaired redox signaling, beginning frequently by sustained overfeeding due to the resulting lipotoxicity and glucotoxicity. Uncovering relationships among the dysregulated metabolism, impaired β-cell "well-being," biogenesis, or cross talk with peripheral insulin resistance is required for elucidation of type 2 diabetes etiology. Recent Advances: It has been recognized that the oxidative stress, lipotoxicity, and glucotoxicity cannot be separated from numerous other cell pathology events, such as the attempted compensation of β-cell for the increased insulin demand and dynamics of β-cell biogenesis and its "reversal" at dedifferentiation, that is, from the concomitantly decreasing islet β-cell mass (also due to transdifferentiation) and low-grade islet or systemic inflammation. Critical Issues: At prediabetes, the compensation responses of β-cells, attempting to delay the pathology progression-when exaggerated-set a new state, in which a self-checking redox signaling related to the expression of Ins gene expression is impaired. The resulting altered redox signaling, diminished insulin secretion responses to various secretagogues including glucose, may lead to excretion of cytokines or chemokines by β-cells or excretion of endosomes. They could substantiate putative stress signals to the periphery. Subsequent changes and lasting glucolipotoxicity promote islet inflammatory responses and further pathology spiral. Future Directions: Should bring an understanding of the β-cell self-checking and related redox signaling, including the putative stress signal to periphery. Strategies to cure or prevent type 2 diabetes could be based on the substitution of the "wrong" signal by the "correct" self-checking signal.
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Affiliation(s)
- Petr Ježek
- Department of Mitochondrial Physiology, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Martin Jabůrek
- Department of Mitochondrial Physiology, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Lydie Plecitá-Hlavatá
- Department of Mitochondrial Physiology, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
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Pordzik J, Jakubik D, Jarosz-Popek J, Wicik Z, Eyileten C, De Rosa S, Indolfi C, Siller-Matula JM, Czajka P, Postula M. Significance of circulating microRNAs in diabetes mellitus type 2 and platelet reactivity: bioinformatic analysis and review. Cardiovasc Diabetol. 2019;18:113. [PMID: 31470851 PMCID: PMC6716825 DOI: 10.1186/s12933-019-0918-x] [Citation(s) in RCA: 91] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 08/21/2019] [Indexed: 12/14/2022] Open
Abstract
In the light of growing global epidemic of type 2 diabetes mellitus (T2DM), significant efforts are made to discover next-generation biomarkers for early detection of the disease. Multiple mechanisms including inflammatory response, abnormal insulin secretion and glucose metabolism contribute to the development of T2DM. Platelet activation, on the other hand, is known to be one of the underlying mechanisms of atherosclerosis, which is a common T2DM complication that frequently results in ischemic events at later stages of the disease. Available data suggest that platelets contain large amounts of microRNAs (miRNAs) that are found in circulating body fluids, including the blood. Since miRNAs have been illustrated to play an important role in metabolic homeostasis through regulation of multiple genes, they attracted substantial scientific interest as diagnostic and prognostic biomarkers in T2DM. Various miRNAs, as well as their target genes are implicated in the complex pathophysiology of T2DM. This article will first review the different miRNAs studied in the context of T2DM and platelet reactivity, and subsequently present original results from bioinformatic analyses of published reports, identifying a common gene (PRKAR1A) linked to glucose metabolism, blood coagulation and insulin signalling and targeted by miRNAs in T2DM. Moreover, miRNA–target gene interaction networks built upon Gene Ontology information from electronic databases were developed. According to our results, miR-30a-5p, miR-30d-5p and miR-30c-5p are the most widely regulated miRNAs across all specified ontologies, hence they are the most promising biomarkers of T2DM to be investigated in future clinical studies.
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Westwell-Roper C, Verchere CB. Modulation of Innate Immunity by Amyloidogenic Peptides. Trends Immunol 2019; 40:762-80. [PMID: 31320280 DOI: 10.1016/j.it.2019.06.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 06/11/2019] [Accepted: 06/12/2019] [Indexed: 12/11/2022]
Abstract
Amyloid formation contributes to the development of progressive metabolic and neurodegenerative diseases, while also serving functional roles in host defense. Emerging evidence suggests that as amyloidogenic peptides populate distinct aggregation states, they interact with different combinations of pattern recognition receptors (PRRs) to direct the phenotype and function of tissue-resident and infiltrating innate immune cells. We review recent evidence of innate immunomodulation by distinct forms of amyloidogenic peptides produced by mammals (humans, non-human primates), bacteria, and fungi, as well as the corresponding cell-surface and intracellular PRRs in these interactions, in human and mouse models. Our emerging understanding of peptide aggregate-innate immune cell interactions, and the factors regulating the balance between amyloid function and pathogenicity, might aid the development of anti-amyloid and immunomodulating therapies.
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Bukhari SA, Yasmin A, Zahoor MA, Mustafa G, Sarfraz I, Rasul A. Secreted frizzled‐related protein 4 and its implication in obesity and type‐2 diabetes. IUBMB Life 2019; 71:1701-1710. [DOI: 10.1002/iub.2123] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Accepted: 06/25/2019] [Indexed: 12/21/2022]
Affiliation(s)
| | - Aysha Yasmin
- Department of BiochemistryGovernment College University Faisalabad Pakistan
| | | | - Ghulam Mustafa
- Department of BiochemistryGovernment College University Faisalabad Pakistan
| | - Iqra Sarfraz
- Department of ZoologyGovernment College University Faisalabad Pakistan
| | - Azhar Rasul
- Department of ZoologyGovernment College University Faisalabad Pakistan
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