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Soares NP, Magalhaes GC, Mayrink PH, Verano-Braga T. Omics to Unveil Diabetes Mellitus Pathogenesis and Biomarkers: Focus on Proteomics, Lipidomics, and Metabolomics. Adv Exp Med Biol 2024; 1443:211-220. [PMID: 38409423 DOI: 10.1007/978-3-031-50624-6_11] [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] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
Diabetes mellitus (DM) is a chronic metabolic disorder characterized by elevated blood sugar levels, resulting from either body's inability to produce or effectively utilize insulin. There are several types of DM, but the most common are type 1 diabetes (T1D), type 2 diabetes (T2D), and gestational diabetes mellitus (GDM). DM is a complex disease and a global health concern, and the current clinical markers, such as fasting glucose, are helpful in the diagnosis of DM, but are not specific and sensitive, especially when measured on the beginning of the pathogenesis. Therefore, there is a pressing need to discover new early biomarkers that can provide an early diagnosis. Omics is an important field for the discovery of potential new biomarkers, especially proteomics, metabolomics, and lipidomics, where techniques such as liquid chromatography, mass spectrometry, and nuclear magnetic resonance are utilized to identify novel DM biomarkers and their pathways. In this review, we report papers that applied omics in the context of DM to identify new markers and their relationship with this disease, with the aim of elucidating new diagnostic techniques for the main types of DM.
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Affiliation(s)
- Nícia Pedreira Soares
- National Institute of Science and Technology in Nanobiopharmaceutics (INCT-Nanobiofar), Department of Physiology and Biophysics, Federal University of Minas Gerais, Belo Horizonte, Brazil
- Proteomics Group (NPF), Department of Physiology and Biophysics, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Gabriela Castro Magalhaes
- National Institute of Science and Technology in Nanobiopharmaceutics (INCT-Nanobiofar), Department of Physiology and Biophysics, Federal University of Minas Gerais, Belo Horizonte, Brazil
- Proteomics Group (NPF), Department of Physiology and Biophysics, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Pedro Henrique Mayrink
- National Institute of Science and Technology in Nanobiopharmaceutics (INCT-Nanobiofar), Department of Physiology and Biophysics, Federal University of Minas Gerais, Belo Horizonte, Brazil
- Proteomics Group (NPF), Department of Physiology and Biophysics, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Thiago Verano-Braga
- National Institute of Science and Technology in Nanobiopharmaceutics (INCT-Nanobiofar), Department of Physiology and Biophysics, Federal University of Minas Gerais, Belo Horizonte, Brazil.
- Proteomics Group (NPF), Department of Physiology and Biophysics, Federal University of Minas Gerais, Belo Horizonte, Brazil.
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Tanday N, Tarasov AI, Moffett RC, Flatt PR, Irwin N. Pancreatic islet cell plasticity: Pathogenic or therapeutically exploitable? Diabetes Obes Metab 2024; 26:16-31. [PMID: 37845573 DOI: 10.1111/dom.15300] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/07/2023] [Accepted: 09/18/2023] [Indexed: 10/18/2023]
Abstract
The development of pancreatic islet endocrine cells is a tightly regulated process leading to the generation of distinct cell types harbouring different hormones in response to small changes in environmental stimuli. Cell differentiation is driven by transcription factors that are also critical for the maintenance of the mature islet cell phenotype. Alteration of the insulin-secreting β-cell transcription factor set by prolonged metabolic stress, associated with the pathogenesis of diabetes, obesity or pregnancy, results in the loss of β-cell identity through de- or transdifferentiation. Importantly, the glucose-lowering effects of approved and experimental antidiabetic agents, including glucagon-like peptide-1 mimetics, novel peptides and small molecules, have been associated with preventing or reversing β-cell dedifferentiation or promoting the transdifferentiation of non-β-cells towards an insulin-positive β-cell-like phenotype. Therefore, we review the manifestations of islet cell plasticity in various experimental settings and discuss the physiological and therapeutic sides of this phenomenon, focusing on strategies for preventing β-cell loss or generating new β-cells in diabetes. A better understanding of the molecular mechanisms underpinning islet cell plasticity is a prerequisite for more targeted therapies to help prevent β-cell decline in diabetes.
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Affiliation(s)
- Neil Tanday
- Diabetes Research Centre, School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland
- Institute of Diabetes and Regeneration Research, Helmholtz Zentrum München, Neuherberg, Germany
| | - Andrei I Tarasov
- Diabetes Research Centre, School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland
| | - R Charlotte Moffett
- Diabetes Research Centre, School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland
| | - Peter R Flatt
- Diabetes Research Centre, School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland
| | - Nigel Irwin
- Diabetes Research Centre, School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland
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Mirmira RG, Kulkarni RN, Xu P, Drossos T, Varady K, Knutson KL, Reutrakul S, Martyn-Nemeth P, Sargis RM, Wallia A, Tuchman AM, Weissberg-Benchell J, Danielson KK, Oakes SA, Thomas CC, Layden BT, May SC, Burbea Hoffmann M, Gatta E, Solway J, Philipson LH. Stress and human health in diabetes: A report from the 19 th Chicago Biomedical Consortium symposium. J Clin Transl Sci 2023; 7:e263. [PMID: 38229904 PMCID: PMC10790105 DOI: 10.1017/cts.2023.646] [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] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 10/01/2023] [Indexed: 01/18/2024] Open
Abstract
Stress and diabetes coexist in a vicious cycle. Different types of stress lead to diabetes, while diabetes itself is a major life stressor. This was the focus of the Chicago Biomedical Consortium's 19th annual symposium, "Stress and Human Health: Diabetes," in November 2022. There, researchers primarily from the Chicago area met to explore how different sources of stress - from the cells to the community - impact diabetes outcomes. Presenters discussed the consequences of stress arising from mutant proteins, obesity, sleep disturbances, environmental pollutants, COVID-19, and racial and socioeconomic disparities. This symposium showcased the latest diabetes research and highlighted promising new treatment approaches for mitigating stress in diabetes.
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Affiliation(s)
- Raghavendra G. Mirmira
- Department of Medicine, Kovler Diabetes Center, The University of Chicago, Chicago, IL, USA
| | - Rohit N. Kulkarni
- Department of Medicine, Islet Cell and Regenerative Biology, Joslin Diabetes Center, Beth Israel Deaconess Medical Center, Harvard Stem Cell Institute, Boston, MA, USA
| | - Pingwen Xu
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Illinois Chicago, Chicago, IL, USA
| | - Tina Drossos
- Department of Psychiatry and Behavioral Neuroscience, Pritzker School of Medicine, The University of Chicago, Chicago, IL, USA
| | - Krista Varady
- Department of Kinesiology and Nutrition, University of Illinois Chicago, Chicago, IL, USA
| | - Kristen L. Knutson
- Department of Neurology, Center for Circadian and Sleep Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Sirimon Reutrakul
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Illinois Chicago, Chicago, IL, USA
| | - Pamela Martyn-Nemeth
- Department of Biobehavioral Nursing Science, University of Illinois Chicago College of Nursing, Chicago, IL, USA
| | - Robert M. Sargis
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Illinois Chicago, Chicago, IL, USA
- Department of Medicine, Section of Endocrinology, Diabetes and Metabolism, Jesse Brown VA Medical Center, Chicago, IL, USA
| | - Amisha Wallia
- Department of Medicine, Division of Endocrinology, Metabolism, and Molecular Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | | | - Jill Weissberg-Benchell
- Department of Psychiatry and Behavioral Sciences, Ann & Robert H. Lurie Children’s Hospital of Chicago, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Kirstie K. Danielson
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Illinois Chicago, Chicago, IL, USA
| | - Scott A. Oakes
- Department of Pathology, The University of Chicago, Chicago, IL, USA
| | - Celeste C. Thomas
- Department of Medicine, Kovler Diabetes Center, The University of Chicago, Chicago, IL, USA
| | - Brian T. Layden
- Section of Adult and Pediatric Endocrinology, Diabetes and Metabolism, The University of Chicago, Chicago, IL, USA
| | - Sarah C. May
- Department of Medicine, Kovler Diabetes Center, The University of Chicago, Chicago, IL, USA
| | | | | | - Julian Solway
- Department of Medicine, University of Chicago, Chicago, IL, USA
| | - Louis H. Philipson
- Department of Medicine and Pediatrics, Section of Adult and Pediatric Endocrinology, Diabetes and Metabolism, The University of Chicago, Chicago, IL, USA
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Park JE, Han JS. HM-Chromanone Alleviates Hyperglycemia by Protecting Pancreatic Islet Cells in Streptozotocin-Induced Diabetic Mice. J Med Food 2023. [PMID: 37083465 DOI: 10.1089/jmf.2022.k.0084] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/22/2023] Open
Abstract
We examined the effects of HM-chromanone (HMC) on alleviating hyperglycemia and protecting pancreatic β-cells from streptozotocin (STZ)-induced damage in C57BL/6J mice. HMC was administered to STZ-induced diabetic mice at 10 or 30 mg/kg, for 14 days. Thereafter, changes in fasting blood glucose levels, insulin-secretion, histopathological examination of pancreas islet cell and apoptotic protein levels, and terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay were determined. The results revealed that HMC dose-dependently improved blood glucose concentrations and alleviated pancreatic islet cells damage. In diabetic mice, degeneration of the islet cells was observed wherein they appeared shrunken, with hyaline deterioration, nuclear dissolution, and condensation. However, morphology of the islet cell was restored, and nuclei were visibly rounded in the HMC (30 mg/kg)-administered diabetic mice. In addition, β-cell numbers were markedly increased in HMC mice compared to STZ-induced diabetic mice, and the number of cells stained with glucagon was decreased. HMC markedly decreased the expression of proapoptotic proteins and increased antiapoptotic proteins, and the number of apoptotic cells detected by TUNEL was elevated. HMC decreased expression of interleukin (IL)-1β, IL-6, and tumor necrosis factor-α in diabetic mice. Moreover, HMC increased antioxidant-enzymes activity, and decreased reactive oxygen species generation. In conclusion, the results demonstrate the potential of HMC to alleviate hyperglycemia by protecting the pancreatic β-cells in diabetic mice.
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Affiliation(s)
- Jae Eun Park
- Department of Food Science and Nutrition & Kimchi Research Institute, Pusan National University, Busan, Korea
| | - Ji Sook Han
- Department of Food Science and Nutrition & Kimchi Research Institute, Pusan National University, Busan, Korea
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Shehata AS, Zidan RA, El-Mahroky SM, Abd El-Baset SA. Efficacy of platelet rich plasma on pancreatic injury induced by renal ischemia reperfusion in adult male rats. Ultrastruct Pathol 2022; 46:188-203. [DOI: 10.1080/01913123.2022.2044945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Azza S. Shehata
- Department of Medical Histology and Cell Biology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Rania A. Zidan
- Department of Medical Histology and Cell Biology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Samaa M. El-Mahroky
- Department of Medical Histology and Cell Biology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Samia A. Abd El-Baset
- Department of Medical Histology and Cell Biology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
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Li X, Wang L, Meng G, Chen X, Yang S, Zhang M, Zheng Z, Zhou J, Lan Z, Wu Y, Wang L. Sustained high glucose intake accelerates type 1 diabetes in NOD mice. Front Endocrinol (Lausanne) 2022; 13:1037822. [PMID: 36545340 PMCID: PMC9760976 DOI: 10.3389/fendo.2022.1037822] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 11/18/2022] [Indexed: 12/11/2022] Open
Abstract
INTRODUCTION Epidemiological studies have suggested that dietary factors, especially high consumption of high glycaemic index carbohydrates and sugars, may trigger or exacerbate the progression of type 1 diabetes. We aimed to provide experimental evidence to confirm this relevance and to explore the underlying mechanisms. METHODS NOD mice were given sustained high-glucose drinking or glucose-free water and observed for the incidence of type 1 diabetes and islet inflammation. RNAseq was performed to detect the transcriptome changes of the NOD islet beta cell line NIT-1 after high glucose treatment, and mass spectrometry was performed to detect the proteome changes of NIT-1-cells-derived sEVs. RESULTS Sustained high glucose drinking significantly aggravates islet inflammation and accelerates the onset of type 1 diabetes in NOD mice. Mechanistically, high glucose treatment induces aberrant ER stress and up-regulates the expression of autoantigens in islet beta cell. Moreover, high glucose treatment alters the proteome of beta-cells-derived sEVs, and significantly enhances the ability of sEVs to promote DC maturation and stimulate immune inflammatory response. DISCUSSION This study provides evidence for negative effect of high glucose intake as a dietary factor on the pathogenesis of type 1 diabetes in genetically predisposed individuals. Therefore, avoiding high sugar intake may be an effective disease prevention strategy for children or adults susceptible to type 1 diabetes.
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Affiliation(s)
- Xiangqian Li
- Institute of Immunology People's Liberation Army (PLA) & Department of Immunology, College of Basic Medicine, Army Medical University (Third Military Medical University), Chongqing, China
| | - Lina Wang
- Institute of Immunology People's Liberation Army (PLA) & Department of Immunology, College of Basic Medicine, Army Medical University (Third Military Medical University), Chongqing, China
- Department of Immunology, College of Basic Medicine, Qingdao University. Qingdao, Shandong, China
- Department of Immunology, College of Basic Medicine, Weifang Medical University, Weifang, China
| | - Gang Meng
- Department of Pathology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Xiaoling Chen
- Institute of Immunology People's Liberation Army (PLA) & Department of Immunology, College of Basic Medicine, Army Medical University (Third Military Medical University), Chongqing, China
| | - Shushu Yang
- Institute of Immunology People's Liberation Army (PLA) & Department of Immunology, College of Basic Medicine, Army Medical University (Third Military Medical University), Chongqing, China
| | - Mengjun Zhang
- Department of Pharmaceutical Analysis, College of Pharmacy, Army Medical University (Third Military Medical University), Chongqing, China
| | - Zhengni Zheng
- Department of Dermatology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Jie Zhou
- Department of Dermatology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Zhu Lan
- Institute of Immunology People's Liberation Army (PLA) & Department of Immunology, College of Basic Medicine, Army Medical University (Third Military Medical University), Chongqing, China
| | - Yuzhang Wu
- Institute of Immunology People's Liberation Army (PLA) & Department of Immunology, College of Basic Medicine, Army Medical University (Third Military Medical University), Chongqing, China
| | - Li Wang
- Institute of Immunology People's Liberation Army (PLA) & Department of Immunology, College of Basic Medicine, Army Medical University (Third Military Medical University), Chongqing, China
- *Correspondence: Li Wang,
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Kalita B, Bano S, Vavachan VM, Taunk K, Seshadri V, Rapole S. Application of mass spectrometry based proteomics to understand diabetes: A special focus on interactomics. Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics 2020; 1868:140469. [DOI: 10.1016/j.bbapap.2020.140469] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 05/07/2020] [Accepted: 06/04/2020] [Indexed: 12/11/2022]
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Raghavan S, Malayaperumal S, Mohan V, Balasubramanyam M. A comparative study on the cellular stressors in mesenchymal stem cells (MSCs) and pancreatic β-cells under hyperglycemic milieu. Mol Cell Biochem 2020; 476:457-469. [PMID: 32997307 DOI: 10.1007/s11010-020-03922-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [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: 04/06/2020] [Accepted: 09/19/2020] [Indexed: 12/30/2022]
Abstract
β-cell dysfunction is a critical determinant for both type 1 diabetes and type 2 diabetes and β-cells are shown to be highly susceptible to cellular stressors. Mesenchymal stem cells (MSCs) on the other hand are known to have immunomodulatory potential and preferred in clinical applications. However, there is paucity of a comparative study on these cells in relation to several cellular stressors in response to hyperglycemia and this forms the rationale for the present study. INS1 β-cells and MSCs were subjected to high-glucose treatment without and with Metformin, Lactoferrin, or TUDCA and assessed for stress signaling alterations using gene expression, protein expression, as well as functional read-outs. Compared to the untreated control cells, INS1 β-cells or MSCs treated with high glucose showed significant increase in mRNA expressions of ER stress, senescence, and proinflammation. This was accompanied by increased miR146a target genes and decreased levels of SIRT1, NRF2, and miR146a in both the cell types. Consistent with the mRNA results, protein expression levels do reflect the same alterations. Notably, the alterations are relatively less extent in MSCs compared to INS1 β-cells. Interestingly, three different agents, viz., Metformin, Lactoferrin, or TUDCA, were found to overcome the high glucose-induced cellular stresses in a concerted and inter-linked way and restored the proliferation and migration capacity in MSCs as well as normalized the glucose-stimulated insulin secretion in INS1 β-cells. While our study gives a directionality for potential supplementation of metformin/lactoferrin/TUDCA in optimization protocols of MSCs, we suggest that in vitro preconditioning of MSCs with such factors should be further explored with in-depth investigations to harness and enhance the therapeutic capacity/potential of MSCs.
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Affiliation(s)
- Srividhya Raghavan
- Department of Cell and Molecular Biology, Dr. Mohan's Diabetes Specialties Centre, ICMR- Centre for Advanced Research On Diabetes, Madras Diabetes Research Foundation, Gopalapuram, Chennai, 600 086, India
| | - Sarubala Malayaperumal
- Department of Cell and Molecular Biology, Dr. Mohan's Diabetes Specialties Centre, ICMR- Centre for Advanced Research On Diabetes, Madras Diabetes Research Foundation, Gopalapuram, Chennai, 600 086, India
| | - Viswanathan Mohan
- Department of Cell and Molecular Biology, Dr. Mohan's Diabetes Specialties Centre, ICMR- Centre for Advanced Research On Diabetes, Madras Diabetes Research Foundation, Gopalapuram, Chennai, 600 086, India
| | - Muthuswamy Balasubramanyam
- Department of Cell and Molecular Biology, Dr. Mohan's Diabetes Specialties Centre, ICMR- Centre for Advanced Research On Diabetes, Madras Diabetes Research Foundation, Gopalapuram, Chennai, 600 086, India. .,Medical and Health Sciences (MHS), SRM Institute of Science and Technology (SRMIST), SRM Nagar, Kattankulathur, Kanchipuram, Chennai, 603 203, India.
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Zheng X, Ren B, Li X, Yan H, Xie Q, Liu H, Zhou J, Tian J, Huang K. Selenoprotein F knockout leads to glucose and lipid metabolism disorders in mice. J Biol Inorg Chem 2020; 25:1009-1022. [DOI: 10.1007/s00775-020-01821-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 08/30/2020] [Indexed: 02/07/2023]
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Razavi M, Ren T, Zheng F, Telichko A, Wang J, Dahl JJ, Demirci U, Thakor AS. Facilitating islet transplantation using a three-step approach with mesenchymal stem cells, encapsulation, and pulsed focused ultrasound. Stem Cell Res Ther 2020; 11:405. [PMID: 32948247 PMCID: PMC7501701 DOI: 10.1186/s13287-020-01897-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 07/06/2020] [Accepted: 08/24/2020] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND The aim of this study was to examine the effect of a three-step approach that utilizes the application of adipose tissue-derived mesenchymal stem cells (AD-MSCs), encapsulation, and pulsed focused ultrasound (pFUS) to help the engraftment and function of transplanted islets. METHODS In step 1, islets were co-cultured with AD-MSCs to form a coating of AD-MSCs on islets: here, AD-MSCs had a cytoprotective effect on islets; in step 2, islets coated with AD-MSCs were conformally encapsulated in a thin layer of alginate using a co-axial air-flow method: here, the capsule enabled AD-MSCs to be in close proximity to islets; in step 3, encapsulated islets coated with AD-MSCs were treated with pFUS: here, pFUS enhanced the secretion of insulin from islets as well as stimulated the cytoprotective effect of AD-MSCs. RESULTS Our approach was shown to prevent islet death and preserve islet functionality in vitro. When 175 syngeneic encapsulated islets coated with AD-MSCs were transplanted beneath the kidney capsule of diabetic mice, and then followed every 3 days with pFUS treatment until day 12 post-transplantation, we saw a significant improvement in islet function with diabetic animals re-establishing glycemic control over the course of our study (i.e., 30 days). In addition, our approach was able to enhance islet engraftment by facilitating their revascularization and reducing inflammation. CONCLUSIONS This study demonstrates that our clinically translatable three-step approach is able to improve the function and viability of transplanted islets.
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Affiliation(s)
- Mehdi Razavi
- Department of Radiology, Interventional Regenerative Medicine and Imaging Laboratory, Stanford University School of Medicine, 3155 Porter Drive, Palo Alto, CA, 94304, USA
- Biionix™ (Bionic Materials, Implants & Interfaces) Cluster, Department of Internal Medicine, College of Medicine, University of Central Florida, Orlando, FL, 32827, USA
- Department of Materials Science and Engineering, University of Central Florida, Orlando, FL, 32816, USA
| | - Tanchen Ren
- Department of Radiology, Bio-Acoustic MEMS in Medicine Laboratory (BAMM), Stanford University School of Medicine, Palo Alto, CA, 94304, USA
| | - Fengyang Zheng
- Department of Radiology, Interventional Regenerative Medicine and Imaging Laboratory, Stanford University School of Medicine, 3155 Porter Drive, Palo Alto, CA, 94304, USA
| | - Arsenii Telichko
- Department of Radiology, Dahl Ultrasound Laboratory, Stanford University School of Medicine, Palo Alto, CA, 94304, USA
| | - Jing Wang
- Department of Radiology, Interventional Regenerative Medicine and Imaging Laboratory, Stanford University School of Medicine, 3155 Porter Drive, Palo Alto, CA, 94304, USA
| | - Jeremy J Dahl
- Department of Radiology, Dahl Ultrasound Laboratory, Stanford University School of Medicine, Palo Alto, CA, 94304, USA
| | - Utkan Demirci
- Department of Radiology, Bio-Acoustic MEMS in Medicine Laboratory (BAMM), Stanford University School of Medicine, Palo Alto, CA, 94304, USA
| | - Avnesh S Thakor
- Department of Radiology, Interventional Regenerative Medicine and Imaging Laboratory, Stanford University School of Medicine, 3155 Porter Drive, Palo Alto, CA, 94304, USA.
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Li X, Zhen M, Zhou C, Deng R, Yu T, Wu Y, Shu C, Wang C, Bai C. Gadofullerene Nanoparticles Reverse Dysfunctions of Pancreas and Improve Hepatic Insulin Resistance for Type 2 Diabetes Mellitus Treatment. ACS Nano 2019; 13:8597-8608. [PMID: 31314991 DOI: 10.1021/acsnano.9b02050] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Type 2 diabetes mellitus (T2DM) has been one of the most prevalent metabolic disorders. Nonetheless, the commonly used anti-T2DM drugs failed to substant to treat T2DM when anti-T2DM was withdrawn. Here we put forward a superior and sustainable anti-diabetic strategy using intraperitoneal administration of amino-acid-functionalized gadofullerene nanoparticles (GFNPs) in db/db diabetic mice. Highly accumulated in the pancreas and liver, GFNPs could prominently decrease hyperglycemia, along with permanently maintaining normal blood sugar levels in T2DM mice and even stopping administration. Importantly, GFNPs reversed the pancreas islets dysfunctions by reducing oxidative stress and inflammation responses and fundamentally normalized the insulin secretory function of the pancreas islets. Mechanistically, GFNPs improved hepatic insulin resistance by regulating glucose and lipid metabolism through the activation of IRS2/PI3K/AKT signal pathways, resulting in inhibiting gluconeogenesis and increasing glycogenesis in the liver. Additionally, GFNPs relieved hepatic steatosis in the liver, ultimately maintaining systemic glucose and lipid metabolic homeostasis without obvious toxicity. Together, GFNPs reverse the dysfunctions of the pancreas and improve hepatic insulin resistance, providing a promising approach for T2DM treatment.
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Affiliation(s)
- Xue Li
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, CAS Research/Education Center for Excellence in Molecular Sciences , Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190 , China
- University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Mingming Zhen
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, CAS Research/Education Center for Excellence in Molecular Sciences , Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190 , China
- University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Chen Zhou
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, CAS Research/Education Center for Excellence in Molecular Sciences , Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190 , China
- University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Ruijun Deng
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, CAS Research/Education Center for Excellence in Molecular Sciences , Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190 , China
- University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Tong Yu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, CAS Research/Education Center for Excellence in Molecular Sciences , Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190 , China
- University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Yingjie Wu
- Institute of Genome Engineered Animal Models for Human Disease , Dalian Medical University , Dalian 116044 , China
| | - Chunying Shu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, CAS Research/Education Center for Excellence in Molecular Sciences , Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190 , China
- University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Chunru Wang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, CAS Research/Education Center for Excellence in Molecular Sciences , Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190 , China
- University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Chunli Bai
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, CAS Research/Education Center for Excellence in Molecular Sciences , Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190 , China
- University of Chinese Academy of Sciences , Beijing 100049 , China
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Abstract
SIGNIFICANCE Type 1 diabetes (T1D) is an autoimmune disease resulting in β-cell destruction mediated by islet-infiltrating leukocytes. The role of oxidative stress in human and murine models of T1D is highly significant as these noxious molecules contribute to diabetic complications and β-cell lysis, but their direct impact on dysregulated autoimmune responses is highly understudied. Pro-inflammatory macrophages play a vital role in the initiation and effector phases of T1D by producing free radicals and pro-inflammatory cytokines to facilitate β-cell destruction and to present antigen to autoreactive T cells. Recent Advances: Redox modulation of macrophage functions may play critical roles in autoimmunity. These include enhancing pro-inflammatory innate immune signaling pathways in response to environmental triggers, enforcing an M1 macrophage differentiation program, controlling antigen processing, and altering peptide recognition by oxidative post-translational modification. Therefore, an oxidative environment may act on multiple macrophage functions to orchestrate T1D pathogenesis. CRITICAL ISSUES Mechanisms involved in the initiation of T1D remain unclear, making preventive and early therapeutics difficult to develop. Although many of these advances in the redox regulation of macrophages are in their infancy, they provide insight into how oxidative stress aids in the precipitating event of autoimmune activation. FUTURE DIRECTIONS Future studies should be aimed at mechanistically determining which redox-regulated macrophage functions are pertinent in T1D pathogenesis, as well as at investigating potential targetable therapeutics to halt and/or dampen innate immune activation in T1D.
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Affiliation(s)
- Ashley R Burg
- Department of Microbiology, Comprehensive Diabetes Center, University of Alabama at Birmingham , Birmingham, Alabama
| | - Hubert M Tse
- Department of Microbiology, Comprehensive Diabetes Center, University of Alabama at Birmingham , Birmingham, Alabama
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13
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Srivastava A, Dadheech N, Vakani M, Gupta S. Pancreatic resident endocrine progenitors demonstrate high islet neogenic fidelity and committed homing towards diabetic mice pancreas. J Cell Physiol 2018; 234:8975-8987. [PMID: 30341903 DOI: 10.1002/jcp.27568] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [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: 01/12/2018] [Accepted: 09/13/2018] [Indexed: 12/13/2022]
Abstract
Pancreatic progenitors have been explored for their profound characteristics and unique commitment to generate new functional islets in regenerative medicine. Pancreatic resident endocrine progenitors (PREPs) with mesenchymal stem cell (MSC) phenotype were purified from BALB/c mice pancreas and characterized. PREPs were differentiated into mature islet clusters in vitro by activin-A and swertisin and functionally characterized. A temporal gene and protein profiling was performed during differentiation. Furthermore, PREPs were labeled with green fluorescent protein (GFP) and transplanted intravenously into streptozotocin (STZ) diabetic mice while monitoring their homing and differentiation leading to amelioration in the diabetic condition. PREPs were positive for unique progenitor markers and transcription factors essential for endocrine pancreatic homeostasis along with having the multipotent MSC phenotype. These cells demonstrated high fidelity for islet neogenesis in minimum time (4 days) to generate mature functional islet clusters (shortest reported period for any isolated stem/progenitor). Furthermore, GFP-labeled PREPs transplanted in STZ diabetic mice migrated and localized within the injured pancreas without trapping in any other major organ and differentiated rapidly into insulin-producing cells without an external stimulus. A rapid decrease in fasting blood glucose levels toward normoglycemia along with significant increase in fasting serum insulin levels was observed, which ameliorated the diabetic condition. This study highlights the unique potential of PREPs to generate mature islets within the shortest period and their robust homing toward the damaged pancreas, which ameliorated the diabetic condition suggesting PREPs affinity toward their niche, which can be exploited and extended to other stem cell sources in diabetic therapeutics.
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Affiliation(s)
- Abhay Srivastava
- Molecular Endocrinology and Stem Cell Research Lab, Department of Biochemistry, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara, India
| | - Nidheesh Dadheech
- Dr. AM James Shapiro Laboratory, Alberta Diabetes Institute, University of Alberta, Edmonton, AB, Canada
| | - Mitul Vakani
- Molecular Endocrinology and Stem Cell Research Lab, Department of Biochemistry, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara, India
| | - Sarita Gupta
- Molecular Endocrinology and Stem Cell Research Lab, Department of Biochemistry, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara, India
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Gorrepati KDD, Lupse B, Annamalai K, Yuan T, Maedler K, Ardestani A. Loss of Deubiquitinase USP1 Blocks Pancreatic β-Cell Apoptosis by Inhibiting DNA Damage Response. iScience 2018; 1:72-86. [PMID: 30227958 PMCID: PMC6135944 DOI: 10.1016/j.isci.2018.02.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [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: 12/21/2017] [Revised: 01/31/2018] [Accepted: 02/01/2018] [Indexed: 01/09/2023] Open
Abstract
Impaired pancreatic β-cell survival contributes to the reduced β-cell mass in diabetes, but underlying regulatory mechanisms and key players in this process remain incompletely understood. Here, we identified the deubiquitinase ubiquitin-specific protease 1 (USP1) as an important player in the regulation of β-cell apoptosis under diabetic conditions. Genetic silencing and pharmacological suppression of USP1 blocked β-cell death in several experimental models of diabetes in vitro and ex vivo without compromising insulin content and secretion and without impairing β-cell maturation/identity genes in human islets. Our further analyses showed that USP1 inhibition attenuated DNA damage response (DDR) signals, which were highly elevated in diabetic β-cells, suggesting a USP1-dependent regulation of DDR in stressed β-cells. Our findings highlight a novel function of USP1 in the control of β-cell survival, and its inhibition may have a potential therapeutic relevance for the suppression of β-cell death in diabetes. Genetic and chemical inhibition of USP1 promoted β-cell survival USP1 inhibitors blocked β-cell death in human islets without affecting β-cell function USP1 inhibition reduced DDR signals in stressed β-cells
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Affiliation(s)
- Kanaka Durga Devi Gorrepati
- Islet Biology Laboratory, University of Bremen, Centre for Biomolecular Interactions Bremen, Leobener Straße NW2, Room B2080, 28359 Bremen, Germany
| | - Blaz Lupse
- Islet Biology Laboratory, University of Bremen, Centre for Biomolecular Interactions Bremen, Leobener Straße NW2, Room B2080, 28359 Bremen, Germany
| | - Karthika Annamalai
- Islet Biology Laboratory, University of Bremen, Centre for Biomolecular Interactions Bremen, Leobener Straße NW2, Room B2080, 28359 Bremen, Germany
| | - Ting Yuan
- Islet Biology Laboratory, University of Bremen, Centre for Biomolecular Interactions Bremen, Leobener Straße NW2, Room B2080, 28359 Bremen, Germany
| | - Kathrin Maedler
- Islet Biology Laboratory, University of Bremen, Centre for Biomolecular Interactions Bremen, Leobener Straße NW2, Room B2080, 28359 Bremen, Germany.
| | - Amin Ardestani
- Islet Biology Laboratory, University of Bremen, Centre for Biomolecular Interactions Bremen, Leobener Straße NW2, Room B2080, 28359 Bremen, Germany.
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15
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Arunagiri A, Haataja L, Cunningham CN, Shrestha N, Tsai B, Qi L, Liu M, Arvan P. Misfolded proinsulin in the endoplasmic reticulum during development of beta cell failure in diabetes. Ann N Y Acad Sci 2018; 1418:5-19. [PMID: 29377149 DOI: 10.1111/nyas.13531] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [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: 07/31/2017] [Revised: 09/14/2017] [Accepted: 09/25/2017] [Indexed: 02/06/2023]
Abstract
The endoplasmic reticulum (ER) is broadly distributed throughout the cytoplasm of pancreatic beta cells, and this is where all proinsulin is initially made. Healthy beta cells can synthesize 6000 proinsulin molecules per second. Ordinarily, nascent proinsulin entering the ER rapidly folds via the formation of three evolutionarily conserved disulfide bonds (B7-A7, B19-A20, and A6-A11). A modest amount of proinsulin misfolding, including both intramolecular disulfide mispairing and intermolecular disulfide-linked protein complexes, is a natural by-product of proinsulin biosynthesis, as is the case for many proteins. The steady-state level of misfolded proinsulin-a potential ER stressor-is linked to (1) production rate, (2) ER environment, (3) presence or absence of naturally occurring (mutational) defects in proinsulin, and (4) clearance of misfolded proinsulin molecules. Accumulation of misfolded proinsulin beyond a certain threshold begins to interfere with the normal intracellular transport of bystander proinsulin, leading to diminished insulin production and hyperglycemia, as well as exacerbating ER stress. This is most obvious in mutant INS gene-induced Diabetes of Youth (MIDY; an autosomal dominant disease) but also likely to occur in type 2 diabetes owing to dysregulation in proinsulin synthesis, ER folding environment, or clearance.
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Affiliation(s)
- Anoop Arunagiri
- Division of Metabolism, Endocrinology & Diabetes, University of Michigan, Ann Arbor, Michigan
| | - Leena Haataja
- Division of Metabolism, Endocrinology & Diabetes, University of Michigan, Ann Arbor, Michigan
| | - Corey N Cunningham
- Cellular and Molecular Biology Program, University of Michigan, Ann Arbor, Michigan
| | - Neha Shrestha
- Department of Molecular & Integrative Physiology, University of Michigan, Ann Arbor, Michigan
| | - Billy Tsai
- Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, Michigan
| | - Ling Qi
- Department of Molecular & Integrative Physiology, University of Michigan, Ann Arbor, Michigan
| | - Ming Liu
- Division of Metabolism, Endocrinology & Diabetes, University of Michigan, Ann Arbor, Michigan.,Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, Tianjin, China
| | - Peter Arvan
- Division of Metabolism, Endocrinology & Diabetes, University of Michigan, Ann Arbor, Michigan
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16
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Yoshimatsu G, Kunnathodi F, Saravanan PB, Shahbazov R, Chang C, Darden CM, Zurawski S, Boyuk G, Kanak MA, Levy MF, Naziruddin B, Lawrence MC. Pancreatic β-Cell-Derived IP-10/CXCL10 Isletokine Mediates Early Loss of Graft Function in Islet Cell Transplantation. Diabetes 2017; 66:2857-2867. [PMID: 28855240 PMCID: PMC5652609 DOI: 10.2337/db17-0578] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Accepted: 08/22/2017] [Indexed: 01/08/2023]
Abstract
Pancreatic islets produce and secrete cytokines and chemokines in response to inflammatory and metabolic stress. The physiological role of these "isletokines" in health and disease is largely unknown. We observed that islets release multiple inflammatory mediators in patients undergoing islet transplants within hours of infusion. The proinflammatory cytokine interferon-γ-induced protein 10 (IP-10/CXCL10) was among the highest released, and high levels correlated with poor islet transplant outcomes. Transgenic mouse studies confirmed that donor islet-specific expression of IP-10 contributed to islet inflammation and loss of β-cell function in islet grafts. The effects of islet-derived IP-10 could be blocked by treatment of donor islets and recipient mice with anti-IP-10 neutralizing monoclonal antibody. In vitro studies showed induction of the IP-10 gene was mediated by calcineurin-dependent NFAT signaling in pancreatic β-cells in response to oxidative or inflammatory stress. Sustained association of NFAT and p300 histone acetyltransferase with the IP-10 gene required p38 and c-Jun N-terminal kinase mitogen-activated protein kinase (MAPK) activity, which differentially regulated IP-10 expression and subsequent protein release. Overall, these findings elucidate an NFAT-MAPK signaling paradigm for induction of isletokine expression in β-cells and reveal IP-10 as a primary therapeutic target to prevent β-cell-induced inflammatory loss of graft function after islet cell transplantation.
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Affiliation(s)
| | | | | | - Rauf Shahbazov
- Islet Cell Laboratory, Baylor Research Institute, Dallas, TX
| | - Charles Chang
- Institute of Biomedical Studies, Baylor University, Waco, TX
| | - Carly M Darden
- Institute of Biomedical Studies, Baylor University, Waco, TX
| | | | - Gulbahar Boyuk
- Adacell Medical Research Center, Department of Endocrinology and Metabolism, Diskapi Yildirim Beyazit Training and Research Hospital, Ankara, Turkey
| | - Mazhar A Kanak
- Department of Surgery, Virginia Commonwealth University School of Medicine, Richmond, VA
| | - Marlon F Levy
- Department of Surgery, Virginia Commonwealth University School of Medicine, Richmond, VA
| | - Bashoo Naziruddin
- Annette C. and Harold C. Simmons Transplant Institute, Baylor University Medical Center, Dallas, TX
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Affiliation(s)
- Inne Crèvecoeur
- Laboratory for Clinical and Experimental Endocrinology, KU Leuven, Leuven, Belgium
| | - Saurabh Vig
- Laboratory for Clinical and Experimental Endocrinology, KU Leuven, Leuven, Belgium
| | - Chantal Mathieu
- Laboratory for Clinical and Experimental Endocrinology, KU Leuven, Leuven, Belgium
| | - Lut Overbergh
- Laboratory for Clinical and Experimental Endocrinology, KU Leuven, Leuven, Belgium
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18
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Wang M, Zhang W, Xu S, Peng L, Wang Z, Liu H, Fang Q, Deng T, Men X, Lou J. TRB3 mediates advanced glycation end product-induced apoptosis of pancreatic β-cells through the protein kinase C β pathway. Int J Mol Med 2017; 40:130-6. [PMID: 28534945 DOI: 10.3892/ijmm.2017.2991] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Accepted: 05/05/2017] [Indexed: 12/29/2022] Open
Abstract
Advanced glycation end products (AGEs), which accumulate in the body during the development of diabetes, may be one of the factors leading to pancreatic β-cell failure and reduced β-cell mass. However, the mechanisms responsible for AGE‑induced apoptosis remain unclear. This study identified the role and mechanisms of action of tribbles homolog 3 (TRB3) in AGE-induced β-cell oxidative damage and apoptosis. Rat insulinoma cells (INS-1) were treated with 200 µg/ml AGEs for 48 h, and cell apoptosis was then detected by TUNEL staining and flow cytometry. The level of intracellular reactive oxygen species (ROS) was measured by a fluorescence assay. The expression levels of receptor of AGEs (RAGE), TRB3, protein kinase C β2 (PKCβ2) and nicotinamide adenine dinucleotide phosphate (NADPH) oxidase 4 (NOX4) were evaluated by RT-qPCR and western blot analysis. siRNA was used to knockdown TRB3 expression through lipofection, followed by an analysis of the effects of TRB3 on PKCβ2 and NOX4. Furthermore, the PKCβ2-specific inhibitor, LY333531, was used to analyze the effects of PKCβ2 on ROS levels and apoptosis. We found that AGEs induced the apoptosis of INS-1 cells and upregulated RAGE and TRB3 expression. AGEs also increased ROS levels in β-cells. Following the knockdown of TRB3, the AGE-induced apoptosis and intracellular ROS levels were significantly decreased, suggesting that TRB3 mediated AGE-induced apoptosis. Further experiments demonstrated that the knockdown of TRB3 decreased the PKCβ2 and NOX4 expression levels. When TRB3 was knocked down, the cells expressed decreased levels of PKCβ2 and NOX4. The PKCβ2‑specific inhibitor, LY333531, also reduced AGE-induced apoptosis and intracellular ROS levels. Taken together, our data suggest that TRB3 mediates AGE-induced oxidative injury in β-cells through the PKCβ2 pathway.
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19
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Crèvecoeur I, Gudmundsdottir V, Vig S, Marques Câmara Sodré F, D'Hertog W, Fierro AC, Van Lommel L, Gysemans C, Marchal K, Waelkens E, Schuit F, Brunak S, Overbergh L, Mathieu C. Early differences in islets from prediabetic NOD mice: combined microarray and proteomic analysis. Diabetologia 2017; 60:475-489. [PMID: 28078386 DOI: 10.1007/s00125-016-4191-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [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: 07/08/2016] [Accepted: 11/25/2016] [Indexed: 10/20/2022]
Abstract
AIMS/HYPOTHESIS Type 1 diabetes is an endocrine disease where a long preclinical phase, characterised by immune cell infiltration in the islets of Langerhans, precedes elevated blood glucose levels and disease onset. Although several studies have investigated the role of the immune system in this process of insulitis, the importance of the beta cells themselves in the initiation of type 1 diabetes is less well understood. The aim of this study was to investigate intrinsic differences present in the islets from diabetes-prone NOD mice before the onset of insulitis. METHODS The islet transcriptome and proteome of 2-3-week-old mice was investigated by microarray and 2-dimensional difference gel electrophoresis (2D-DIGE), respectively. Subsequent analyses using sophisticated pathway analysis and ranking of differentially expressed genes and proteins based on their relevance in type 1 diabetes were performed. RESULTS In the preinsulitic period, alterations in general pathways related to metabolism and cell communication were already present. Additionally, our analyses pointed to an important role for post-translational modifications (PTMs), especially citrullination by PAD2 and protein misfolding due to low expression levels of protein disulphide isomerases (PDIA3, 4 and 6), as causative mechanisms that induce beta cell stress and potential auto-antigen generation. CONCLUSIONS/INTERPRETATION We conclude that the pancreatic islets, irrespective of immune differences, may contribute to the initiation of the autoimmune process. DATA AVAILABILITY All microarray data are available in the ArrayExpress database ( www.ebi.ac.uk/arrayexpress ) under accession number E-MTAB-5264.
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Affiliation(s)
- Inne Crèvecoeur
- Laboratory for Clinical and Experimental Endocrinology, KU Leuven, Herestraat 49 bus 902, 3000, Leuven, Belgium
| | - Valborg Gudmundsdottir
- Department of Bio and Health Informatics, Technical University of Denmark, Lyngby, Denmark
| | - Saurabh Vig
- Laboratory for Clinical and Experimental Endocrinology, KU Leuven, Herestraat 49 bus 902, 3000, Leuven, Belgium
| | | | - Wannes D'Hertog
- Laboratory for Clinical and Experimental Endocrinology, KU Leuven, Herestraat 49 bus 902, 3000, Leuven, Belgium
| | - Ana Carolina Fierro
- Department of Information Technology, IMinds, Faculty of Sciences, Ghent University, Ghent, Belgium
| | - Leentje Van Lommel
- Gene Expression Unit, Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Conny Gysemans
- Laboratory for Clinical and Experimental Endocrinology, KU Leuven, Herestraat 49 bus 902, 3000, Leuven, Belgium
| | - Kathleen Marchal
- Department of Information Technology, IMinds, Faculty of Sciences, Ghent University, Ghent, Belgium
| | - Etienne Waelkens
- SyBioMa, KU Leuven, Leuven, Belgium
- Laboratory of Protein Phosphorylation and Proteomics, KU Leuven, Leuven, Belgium
| | - Frans Schuit
- Gene Expression Unit, Department of Cellular and Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Søren Brunak
- Department of Bio and Health Informatics, Technical University of Denmark, Lyngby, Denmark
- The Novo Nordisk Foundation Center for Protein Research, University of Copenhagen, Copenhagen, Denmark
| | - Lut Overbergh
- Laboratory for Clinical and Experimental Endocrinology, KU Leuven, Herestraat 49 bus 902, 3000, Leuven, Belgium.
| | - Chantal Mathieu
- Laboratory for Clinical and Experimental Endocrinology, KU Leuven, Herestraat 49 bus 902, 3000, Leuven, Belgium
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Abstract
Pancreatic islet dysfunction and beta cell failure are hallmarks of type 2 diabetes mellitus (T2DM) pathogenesis. In this review, we discuss how genome-wide association studies (GWASs) and recent developments in islet (epi)genome and transcriptome profiling (particularly single cell analyses) are providing novel insights into the genetic, environmental, and cellular contributions to islet (dys)function and T2DM pathogenesis. Moving forward, study designs that interrogate and model genetic variation [e.g., allelic profiling and (epi)genome editing] will be critical to dissect the molecular genetics of T2DM pathogenesis, to build next-generation cellular and animal models, and to develop precision medicine approaches to detect, treat, and prevent islet (dys)function and T2DM.
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Affiliation(s)
- Nathan Lawlor
- The Jackson Laboratory for Genomic Medicine, Farmington, CT 06032, USA
| | - Shubham Khetan
- The Jackson Laboratory for Genomic Medicine, Farmington, CT 06032, USA; Department of Genetics & Genome Sciences, University of Connecticut, Farmington, CT 06032, USA
| | - Duygu Ucar
- The Jackson Laboratory for Genomic Medicine, Farmington, CT 06032, USA; Institute for Systems Genomics, University of Connecticut, Farmington, CT 06032, USA
| | - Michael L Stitzel
- The Jackson Laboratory for Genomic Medicine, Farmington, CT 06032, USA; Department of Genetics & Genome Sciences, University of Connecticut, Farmington, CT 06032, USA; Institute for Systems Genomics, University of Connecticut, Farmington, CT 06032, USA.
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Sarvani C, Sireesh D, Ramkumar KM. Unraveling the role of ER stress inhibitors in the context of metabolic diseases. Pharmacol Res 2017; 119:412-421. [PMID: 28237513 DOI: 10.1016/j.phrs.2017.02.018] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Revised: 02/16/2017] [Accepted: 02/20/2017] [Indexed: 02/05/2023]
Abstract
ER stress is provoked by the accumulation of unfolded and misfolded proteins in the ER lumen leading to perturbations in ER homeostasis. ER stress activates a signaling cascade called the Unfolded Protein Response (UPR) which triggers a set of transcriptional and translational events that restore ER homeostasis, promoting cell survival and adaptation. If this adaptive response fails, a terminal UPR program commits such cells to apoptosis. Existing preclinical and clinical evidence testify that prolonged ER stress escalates the risk of several metabolic disorders including diabetes, obesity and dyslipidemia. There have been considerable efforts to develop small molecules that are capable of ameliorating ER stress. Few naturally occurring and synthetic molecules have already been demonstrated for their efficacy in abrogating ER stress in both in vitro and in vivo models of metabolic disorders. This review provides a broad overview of the molecular mechanisms of inhibition of ER stress and its association with various metabolic diseases.
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Affiliation(s)
- Chodisetty Sarvani
- SRM Research Institute, SRM University, Kattankulathur 603 203, Tamilnadu, India
| | - Dornadula Sireesh
- SRM Research Institute, SRM University, Kattankulathur 603 203, Tamilnadu, India
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22
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Zheng YC, He H, Wei X, Ge S, Lu YH. Comparison of Regulation Mechanisms of Five Mulberry Ingredients on Insulin Secretion under Oxidative Stress. J Agric Food Chem 2016; 64:8763-8772. [PMID: 27802600 DOI: 10.1021/acs.jafc.6b03845] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The effects of mulberry ingredients including 1-deoxynojrimycin (DNJ), resveratrol (RES), oxyresveratrol (OXY), cyanidin-3-glucoside (C3G), and cyanidin-3-rutinoside (C3R) on insulin secretion under oxidative stress were investigated. The results revealed that they had distinct effects on insulin secretion in H2O2-induced MIN 6 cells, especially DNJ, C3G, and C3R, while RES and OXY showed modest effects in low dose (12.5 μM). The mechanisms were demonstrated in signal pathway that after treatment with DNJ, C3G, and C3R, the expressions of glucokinase (GK) were up-regulated, leading to intracellular ATP accumulation and insulin secretion. They also bound to glucagon-like peptide-1 receptor (GLP-1R), improved GLP-1R, duodenal homeobox factor-1 (PDX-1) expression, and stimulated insulin secretion. Moreover, ROS production was inhibited, followed by a decreasing apoptosis rate, while RES and OXY accelerated the apoptosis at high dose (50 μM). This work expounded the potential mechanisms of mulberry ingredients on insulin secretion, indicating the potential application in the intervention against hyperglycemia.
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Affiliation(s)
- Yun-Chong Zheng
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology , 130 Meilong Road, Shanghai 200237, People's Republic of China
- Shanghai Collaborative Innovation Center for Biomanufacturing Technology , 130 Meilong Road, Shanghai 200237, People's Republic of China
| | - Hao He
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology , 130 Meilong Road, Shanghai 200237, People's Republic of China
- Shanghai Collaborative Innovation Center for Biomanufacturing Technology , 130 Meilong Road, Shanghai 200237, People's Republic of China
| | - Xing Wei
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology , 130 Meilong Road, Shanghai 200237, People's Republic of China
- Shanghai Collaborative Innovation Center for Biomanufacturing Technology , 130 Meilong Road, Shanghai 200237, People's Republic of China
| | - Sheng Ge
- Clinical Nutrition Department, Shanghai Jiaotong University Affiliated Sixth People's Hospital , Shanghai 200233, People's Republic of China
| | - Yan-Hua Lu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology , 130 Meilong Road, Shanghai 200237, People's Republic of China
- Shanghai Collaborative Innovation Center for Biomanufacturing Technology , 130 Meilong Road, Shanghai 200237, People's Republic of China
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23
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Abstract
Sepsis is an enormous public health issue and the leading cause of death in critically ill patients in intensive care units. Overwhelming inflammation, characterized by cytokine storm, oxidative threats, and neutrophil sequestration, is an underlying component of sepsis-associated organ failure. Despite recent advances in sepsis research, there is still no effective treatment available beyond the standard of care and supportive therapy. To reduce sepsis-related mortality, a better understanding of the biological mechanism associated with sepsis is essential. Endoplasmic reticulum (ER), a subcellular organelle, is responsible for the facilitation of protein folding and assembly and involved in several other physiological activities. Under stress and inflammatory conditions, ER loses homeostasis in its function, which is termed ER stress. During ER stress, unfolded protein response (UPR) is activated to restore ER function to its normal balance. However, once stress is beyond the compensatory capacity of UPR or protracted, apoptosis would be initiated by triggering cell injuries, even cell death. As such, ER stress and UPR are reported to be implicated in several pathological and inflammatory conditions. Although the detrimental role of ER stress during infections has been demonstrated, there is growing evidence that ER stress participates in the pathogenesis of sepsis. In this review, we summarize current research in the context of ER stress and UPR signaling associated with sepsis and its related clinical conditions, such as trauma-hemorrhage and ischemia/reperfusion injury. We also discuss the potential implications of ER stress as a novel therapeutic target and prognostic marker in patients with sepsis.
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Kracht MJL, Zaldumbide A, Roep BO. Neoantigens and Microenvironment in Type 1 Diabetes: Lessons from Antitumor Immunity. Trends Endocrinol Metab 2016; 27:353-362. [PMID: 27094501 DOI: 10.1016/j.tem.2016.03.013] [Citation(s) in RCA: 20] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Revised: 03/15/2016] [Accepted: 03/20/2016] [Indexed: 12/24/2022]
Abstract
Type 1 diabetes (T1D) is characterized by the selective and progressive destruction of insulin-producing beta cells by the immune system. An incomplete thymic selection against self-reactive islet antigens partly explains how these T cells reach the periphery and become diabetogenic. Increasing evidence suggest that beta cells themselves also participate to their own demise by generating neoepitopes that could be recognized by the immune surveillance machinery. In this regard, these T cells eradicate self-tissue by mechanisms analogous to a classical antitumor response. Cancer immunotherapy has exploited mutations and transcriptional and translational errors to trigger a specific antitumor response. In this opinion article, we aim at merging insight in antitumor immunology and autoimmunity to reveal processes that had previously been ignored to create beta cell-specific neoantigens.
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Affiliation(s)
- Maria J L Kracht
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, The Netherlands; Department of Molecular Cell Biology, Leiden University Medical Center, Leiden, The Netherlands
| | - Arnaud Zaldumbide
- Department of Molecular Cell Biology, Leiden University Medical Center, Leiden, The Netherlands
| | - Bart O Roep
- Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, The Netherlands; Department of Diabetes Immunology, Diabetes and Metabolism Research Institute at the Beckman Research Institute of the City of Hope, Duarte, CA 91010, USA.
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25
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Affiliation(s)
- Jibran A Wali
- St Vincent's Institute, Fitzroy, Victoria, 3065, Australia
| | - Helen E Thomas
- St Vincent's Institute, Fitzroy, Victoria, 3065, Australia
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Lou M, Luo P, Tang R, Peng Y, Yu S, Huang W, He L. Relationship between neutrophil-lymphocyte ratio and insulin resistance in newly diagnosed type 2 diabetes mellitus patients. BMC Endocr Disord 2015; 15:9. [PMID: 25887236 PMCID: PMC4357061 DOI: 10.1186/s12902-015-0002-9] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [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: 10/31/2014] [Accepted: 02/17/2015] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Insulin resistance (IR) plays a vital role in the pathogenesis of Type 2 Diabetes Mellitus (T2DM). The mechanism of IR may be associated with inflammation, whereas the neutrophil-lymphocyte ratio (NLR) is a new indicator of subclinical inflammation. Scholars have rarely investigated the relationship between IR and NLR. This study aims to evaluate the relationship between IR and NLR, and determine whether or not NLR is a reliable marker for IR. METHODS The sample consists of a total of 413 patients with T2DM, 310 of whom have a HOMA-IR value of > 2.0. The control group consists of 130 age and BMI matched healthy subjects. RESULTS The NLR values of the diabetic patients were significantly higher than those of the healthy control (P < 0.001), and the NLR values of the patients with a HOMA-IR value of > 2.0 are notably greater than those of the patients with a HOMA-IR value of ≤ 2.0 (P < 0.001). Pearson correlation analysis showed a significant positive correlation of NLR with HOMA-IR (r = 0.285) (P < 0.001). Logistic regression analysis showed that the risk predictors of IR include NLR, TG and HbA1c. NLR (P < 0.001, EXP(B) = 7.231, 95% CI = 4.277-12.223) levels correlated positively with IR. The IR odds ratio increased by a factor of 7.231 (95% CI, 4.277-12.223) for every one unit increase in NLR. CONCLUSIONS Increased NLR was significantly associated with IR, and high NLR values may be a reliable predictive marker of IR.
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Affiliation(s)
- Meiqin Lou
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, # 253 Industry Road, Guangzhou, China.
| | - Peng Luo
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, # 253 Industry Road, Guangzhou, China.
| | - Ru Tang
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, # 253 Industry Road, Guangzhou, China.
| | - Yixian Peng
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, # 253 Industry Road, Guangzhou, China.
| | - Siyuan Yu
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, # 253 Industry Road, Guangzhou, China.
| | - Wanjing Huang
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, # 253 Industry Road, Guangzhou, China.
| | - Lei He
- Department of Endocrinology, Zhujiang Hospital, Southern Medical University, # 253 Industry Road, Guangzhou, China.
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