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Mathiou V, Tsiambas E, Maipas S, Thymara I, Mastronikoli S, Peschos D, Tsamis KI, Lazaris AC, Kavantzas N, Stathopoulos P. Heat Shock Proteins' Expression Profiles in Odontogenic Ameloblastomas and Cysts. CANCER DIAGNOSIS & PROGNOSIS 2023; 3:635-638. [PMID: 37927807 PMCID: PMC10619569 DOI: 10.21873/cdp.10265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 09/13/2023] [Indexed: 11/07/2023]
Abstract
Tumors and cysts with odontogenic origin represent a family of lesions with specific histo-genetic and clinical characteristics. Among them, ameloblastomas are common benign neoplasms, predominantly detected in the anatomic areas of the jaws and also in the mandible and maxilla. Although they are characterized by a slow and stable growing pattern, a subset of them shows a tendency for local tissue invasiveness and partially increased recurrence rates after surgical excision. Furthermore, heat shock proteins (HSPs) are potentially implicated in ameloblastoma onset and progression. HSPs regulate the folding and refolding of proteins and are induced in response to oxidative stress. They are crucial members of the chaperone intracellular system and are categorized based on their molecular weight (i.e., HSP27, HSP60, HSP70, HSP90). In the current review, we describe HSPs origin and function, focusing on their deregulation mechanisms and impact predominantly on ameloblastomas and also on inflammatory and developmental odontogenic cystic lesions.
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Affiliation(s)
| | - Evangelos Tsiambas
- Department of Cytology, 417 Veterans Army Hospital (NIMTS), Athens, Greece
- 1st Department of Pathology, Medical School, National and Kapodistrian University, Athens, Greece
| | - Sotirios Maipas
- 1st Department of Pathology, Medical School, National and Kapodistrian University, Athens, Greece
| | - Irene Thymara
- 1st Department of Pathology, Medical School, National and Kapodistrian University, Athens, Greece
| | | | - Dimitrios Peschos
- Department of Physiology, Medical School, University of Ioannina, Ioannina, Greece
| | | | - Andreas C Lazaris
- 1st Department of Pathology, Medical School, National and Kapodistrian University, Athens, Greece
| | - Nikolaos Kavantzas
- 1st Department of Pathology, Medical School, National and Kapodistrian University, Athens, Greece
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2
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Taneera J, Khalique A, Salima A, Mohammed AK, Sawan AS, Aneis H, Habib P, Abdrabh S, Elemam NM, Sharif-Askari NS, Abu-Gharbieh E, Saber-Ayad M, El-Huneidi W. Disrupting of family with sequence similarity 105, member A (Fam105a) deteriorates pancreatic β-cell physiology and insulin secretion in INS-1 cells. Mol Cell Endocrinol 2023:111987. [PMID: 37311518 DOI: 10.1016/j.mce.2023.111987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 05/25/2023] [Accepted: 06/04/2023] [Indexed: 06/15/2023]
Abstract
The role of "Family with sequence similarity 105, member A" (FAM105A) in pancreatic β-cell function in relation to type 2 diabetes mellitus (T2D) is not fully understood. To address this issue, various molecular and functional experiments were conducted on primary human islets and INS-1 cells. RNA-seq expression analysis showed that FAM105A is highly expressed in human islets and its expression is reduced in diabetic islets compared to healthy islets. FAM105A expression correlated negatively with HbA1c levels and body mass index (BMI). Co-expression analysis showed a significant correlation between FAM105A with PDX1, GCK, GLUT1 and INSR, but not the INS gene. Silencing of Fam105a impaired insulin release, content, glucose uptake, and mitochondria ATP content but did not affect cell viability, reactive oxygen species (ROS) or apoptosis levels. Silencing of Fam105a was associated with reduced Pdx1 and Glut2 expression at mRNA and protein levels. RNA-seq analysis of dysregulated genes in Fam105a-silenced cells showed an overall downregulation of gene expression in β-cells and insulin secretion pathway. Disrupting Pdx1 did not affect Fam105a expression in INS-1 cells. Overall, the results suggest that FAM105A plays an important role in pancreatic β-cells biology and may be involved in the development of T2D.
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Affiliation(s)
- Jalal Taneera
- College of Medicine, University of Sharjah, Sharjah, United Arab Emirates; Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates.
| | - Anila Khalique
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Aissaoui Salima
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates; Laboratory of Molecular Toxicology, Faculty of Nature and Life Sciences, University of Mohammed Seddik Benyahia-Jijel, Jijel, Algeria
| | - Abdul Khader Mohammed
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Ahmed Saad Sawan
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Hamam Aneis
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Peter Habib
- School of Information Technology and Computer Science (ITCS), Nile University, Giza, Egypt
| | - Sham Abdrabh
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Noha M Elemam
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Narjes Saheb Sharif-Askari
- College of Medicine, University of Sharjah, Sharjah, United Arab Emirates; Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Eman Abu-Gharbieh
- College of Medicine, University of Sharjah, Sharjah, United Arab Emirates; Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Maha Saber-Ayad
- College of Medicine, University of Sharjah, Sharjah, United Arab Emirates; Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Waseem El-Huneidi
- College of Medicine, University of Sharjah, Sharjah, United Arab Emirates; Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
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3
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Urbanczyk M, Jeyagaran A, Zbinden A, Lu CE, Marzi J, Kuhlburger L, Nahnsen S, Layland SL, Duffy G, Schenke-Layland K. Decorin improves human pancreatic β-cell function and regulates ECM expression in vitro. Matrix Biol 2023; 115:160-183. [PMID: 36592738 DOI: 10.1016/j.matbio.2022.12.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 12/23/2022] [Accepted: 12/29/2022] [Indexed: 01/01/2023]
Abstract
Transplantation of islets of Langerhans is a promising alternative treatment strategy in severe cases of type 1 diabetes mellitus; however, the success rate is limited by the survival rate of the cells post-transplantation. Restoration of the native pancreatic niche during transplantation potentially can help to improve cell viability and function. Here, we assessed for the first time the regulatory role of the small leucine-rich proteoglycan decorin (DCN) in insulin secretion in human β-cells, and its impact on pancreatic extracellular matrix (ECM) protein expression in vitro. In depth analyses utilizing next-generation sequencing as well as Raman microspectroscopy and Raman imaging identified pathways related to glucose metabolism to be upregulated in DCN-treated cells, including oxidative phosphorylation within the mitochondria as well as proteins and lipids of the endoplasmic reticulum. We further showed the effectiveness of DCN in a transplantation setting by treating collagen type 1-encapsulated β-cell-containing pseudo-islets with DCN. Taken together, in this study, we demonstrate the potential of DCN to improve the function of insulin-secreting β-cells while reducing the expression of ECM proteins affiliated with fibrotic capsule formation, making DCN a highly promising therapeutic agent for islet transplantation.
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Affiliation(s)
- Max Urbanczyk
- Institute of Biomedical Engineering, Department for Medical Technologies and Regenerative Medicine, Eberhard Karls University Tübingen, Silcherstr. 7/1, Tübingen 72076, Germany
| | - Abiramy Jeyagaran
- Institute of Biomedical Engineering, Department for Medical Technologies and Regenerative Medicine, Eberhard Karls University Tübingen, Silcherstr. 7/1, Tübingen 72076, Germany; NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, Germany
| | - Aline Zbinden
- Institute of Biomedical Engineering, Department for Medical Technologies and Regenerative Medicine, Eberhard Karls University Tübingen, Silcherstr. 7/1, Tübingen 72076, Germany; Department of Immunology, Leiden University Medical Center Leiden, ZA 2333, the Netherlands
| | - Chuan-En Lu
- Institute of Biomedical Engineering, Department for Medical Technologies and Regenerative Medicine, Eberhard Karls University Tübingen, Silcherstr. 7/1, Tübingen 72076, Germany
| | - Julia Marzi
- Institute of Biomedical Engineering, Department for Medical Technologies and Regenerative Medicine, Eberhard Karls University Tübingen, Silcherstr. 7/1, Tübingen 72076, Germany; NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, Germany; Cluster of Excellence iFIT (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", Eberhard Karls University Tübingen, Tübingen, Germany
| | - Laurence Kuhlburger
- Quantitative Biology Center (QBiC), Eberhard Karls University of Tübingen, Tübingen, Germany; Biomedical Data Science, Department of Computer Science, Eberhard Karls University Tübingen, Tübingen, Germany
| | - Sven Nahnsen
- Quantitative Biology Center (QBiC), Eberhard Karls University of Tübingen, Tübingen, Germany; Biomedical Data Science, Department of Computer Science, Eberhard Karls University Tübingen, Tübingen, Germany
| | - Shannon L Layland
- Institute of Biomedical Engineering, Department for Medical Technologies and Regenerative Medicine, Eberhard Karls University Tübingen, Silcherstr. 7/1, Tübingen 72076, Germany; Department of Women's Health, Eberhard Karls University Tübingen, Tübingen, Germany
| | - Garry Duffy
- Discipline of Anatomy and the Regenerative Medicine Institute, School of Medicine, College of Medicine Nursing and Health Sciences, National University of Ireland Galway, Ireland; Science Foundation Ireland (SFI) Centre for Research in Advanced Materials for Biomedical Engineering (AMBER), Trinity College Dublin & National University of Ireland Galway, Galway, Ireland
| | - Katja Schenke-Layland
- Institute of Biomedical Engineering, Department for Medical Technologies and Regenerative Medicine, Eberhard Karls University Tübingen, Silcherstr. 7/1, Tübingen 72076, Germany; NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, Germany; Cluster of Excellence iFIT (EXC 2180) "Image-Guided and Functionally Instructed Tumor Therapies", Eberhard Karls University Tübingen, Tübingen, Germany.
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Wang J, Pan Y, Wei G, Mao H, Liu R, He Y. Damage-associated molecular patterns in vitiligo: igniter fuse from oxidative stress to melanocyte loss. Redox Rep 2022; 27:193-199. [PMID: 36154894 PMCID: PMC9518600 DOI: 10.1080/13510002.2022.2123864] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
OBJECTIVES The pathogenesis of vitiligo remains unclear. In this review, we comprehensively describe the role of damage associated molecular patterns (DAMPs) during vitiligo pathogenesis. METHODS Published papers on vitiligo, oxidative stress and DAMPs were collected and reviewed via database searching on PubMed, MEDLINE and Embase, etc. RESULTS Oxidative stress may be an important inducer of vitiligo. At high oxidative stress levels, damage-associated molecular patterns (DAMPs) are released from keratinocytes or melanocytes in the skin and induce downstream immune responses during vitiligo. Treatment regimens targeting DAMPs can effectively improve disease severity. DISCUSSION DAMPs play key roles in initiating host defenses against danger signals, deteriorating the condition of vitiligo. DAMP levels in serum and skin may be used as biomarkers to indicate vitiligo activity and prognosis. Targeted therapies, incorporating HMGB1, Hsp70, and IL-15 could significantly improve disease etiology. Thus, novel strategies could be identified for vitiligo treatment by targeting DAMPs.
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Affiliation(s)
- Jingying Wang
- Department of Dermatology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, People’s Republic of China
| | - Yinghao Pan
- Department of Dermatology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, People’s Republic of China
| | - Guangmin Wei
- Department of Dermatology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, People’s Republic of China
| | - Hanxiao Mao
- Department of Dermatology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, People’s Republic of China
| | - Rulan Liu
- Department of Dermatology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, People’s Republic of China
| | - Yuanmin He
- Department of Dermatology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, People’s Republic of China, Yuanmin He Department of Dermatology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, People’s Republic of China
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5
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Morsi AA, Mersal EA, Alsabih AO, Abdelmoneim AM, Sakr EM, Alakabawy S, Elfawal RG, Naji M, Aljanfawe HJ, Alshateb FH, Shawky TM. Apoptotic susceptibility of pancreatic alpha cells to environmentally relevant dose levels of bisphenol-A versus dibutyl phthalate is mediated by HSP60/caspase-3 expression in male albino rats. Cell Biol Int 2022; 46:2232-2245. [PMID: 36168861 DOI: 10.1002/cbin.11909] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 09/01/2022] [Accepted: 09/07/2022] [Indexed: 11/08/2022]
Abstract
Unfortunately, humanity is exposed to mixed plasticizers such as bisphenol-A (BPA) and dibutyl phthalate (DBP) that are leached from the daily used plastic products. Previous studies have demonstrated their potential in pancreatic beta cell injury and diabetes induction. The study hypothesized that both compounds would affect the pancreatic alpha cells in albino rats when administered at environmentally relevant doses. Heat shock protein 60 (HSP60) and caspase-3 protein expression was also investigated as potential mechanisms. Thirty-six male Wistar albino rats were separated into four equal groups: control, BPA alone, DBP alone, and BPA + DBP combined groups. BPA and DBP were given in drinking water for 45 days in a dose of 4.5 and 0.8 µg/L, respectively. Fasting blood glucose, serum insulin, pancreatic tissue levels of malondialdehyde, and superoxide dismutase were measured. Pancreatic sections were subjected to hematoxylin & eosin (H & E) staining, glucagon, HSP60, and caspase-3 immunohistochemistry. Although all three experimental groups showed diffuse islet cell HSP60 immunoreactivity, rats exposed to BPA alone showed α-cell-only apoptosis, indicated by H & E changes and caspase-3 immunoreactivity, associated with reduced glucagon immunoreaction. However, rats exposed to DBP alone showed no changes in either α or β-cells. Both combined-exposed animals displayed α and β apoptotic changes associated with islet atrophy and reduced glucagon expression. In conclusion, the study suggested HSP60/caspase-3 interaction, caspase-3 activation, and initiation of apoptosis in α-cell only for BPA-alone exposure group, meanwhile DBP alone did not progress to apoptosis. Interestingly, both α/β cell effect was observed in the mixed group implying synergetic/additive action of both chemicals when combined.
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Affiliation(s)
- Ahmed A Morsi
- Department of Histology and Cell Biology, Faculty of Medicine, Fayoum University, Fayoum, Egypt
| | - Ezat A Mersal
- Department of Biochemistry, Faculty of Science, Assiut University, Assiut, Egypt.,Department of Basic Medical Sciences, Vision Colleges, Riyadh, Saudi Arabia
| | - Ahmed O Alsabih
- Department of Physiology, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Ahmed M Abdelmoneim
- Department of Physiology, Faculty of Medicine, Fayoum University, Fayoum, Egypt
| | - Eman M Sakr
- Department of Basic Medical Sciences, Vision Colleges, Riyadh, Saudi Arabia.,National Institute of Oceanography and Fisheries (NIOF), Alexandria, Egypt
| | - Shaimaa Alakabawy
- Department of Clinical Sciences, Vision Colleges, Riyadh, Saudi Arabia
| | - Riham G Elfawal
- Department of Clinical Sciences, Vision Colleges, Riyadh, Saudi Arabia.,Department of Clinical Pathology, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Mohammed Naji
- Medical students, Vision Colleges, Riyadh, Saudi Arabia
| | | | | | - Tamer M Shawky
- Department of Anatomy and Embryology, Faculty of Medicine, Cairo University, Giza, Egypt
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6
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Hu C, Yang J, Qi Z, Wu H, Wang B, Zou F, Mei H, Liu J, Wang W, Liu Q. Heat shock proteins: Biological functions, pathological roles, and therapeutic opportunities. MedComm (Beijing) 2022; 3:e161. [PMID: 35928554 PMCID: PMC9345296 DOI: 10.1002/mco2.161] [Citation(s) in RCA: 68] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 06/27/2022] [Accepted: 06/28/2022] [Indexed: 12/12/2022] Open
Abstract
The heat shock proteins (HSPs) are ubiquitous and conserved protein families in both prokaryotic and eukaryotic organisms, and they maintain cellular proteostasis and protect cells from stresses. HSP protein families are classified based on their molecular weights, mainly including large HSPs, HSP90, HSP70, HSP60, HSP40, and small HSPs. They function as molecular chaperons in cells and work as an integrated network, participating in the folding of newly synthesized polypeptides, refolding metastable proteins, protein complex assembly, dissociating protein aggregate dissociation, and the degradation of misfolded proteins. In addition to their chaperone functions, they also play important roles in cell signaling transduction, cell cycle, and apoptosis regulation. Therefore, malfunction of HSPs is related with many diseases, including cancers, neurodegeneration, and other diseases. In this review, we describe the current understandings about the molecular mechanisms of the major HSP families including HSP90/HSP70/HSP60/HSP110 and small HSPs, how the HSPs keep the protein proteostasis and response to stresses, and we also discuss their roles in diseases and the recent exploration of HSP related therapy and diagnosis to modulate diseases. These research advances offer new prospects of HSPs as potential targets for therapeutic intervention.
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Affiliation(s)
- Chen Hu
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,Hefei Cancer Hospital Chinese Academy of Sciences Hefei Anhui P. R. China
| | - Jing Yang
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,Hefei Cancer Hospital Chinese Academy of Sciences Hefei Anhui P. R. China
| | - Ziping Qi
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,Hefei Cancer Hospital Chinese Academy of Sciences Hefei Anhui P. R. China
| | - Hong Wu
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,Hefei Cancer Hospital Chinese Academy of Sciences Hefei Anhui P. R. China
| | - Beilei Wang
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,Hefei Cancer Hospital Chinese Academy of Sciences Hefei Anhui P. R. China
| | - Fengming Zou
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,Hefei Cancer Hospital Chinese Academy of Sciences Hefei Anhui P. R. China
| | - Husheng Mei
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,University of Science and Technology of China Hefei Anhui P. R. China
| | - Jing Liu
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,Hefei Cancer Hospital Chinese Academy of Sciences Hefei Anhui P. R. China.,University of Science and Technology of China Hefei Anhui P. R. China
| | - Wenchao Wang
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,Hefei Cancer Hospital Chinese Academy of Sciences Hefei Anhui P. R. China.,University of Science and Technology of China Hefei Anhui P. R. China
| | - Qingsong Liu
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,Hefei Cancer Hospital Chinese Academy of Sciences Hefei Anhui P. R. China.,University of Science and Technology of China Hefei Anhui P. R. China.,Precision Medicine Research Laboratory of Anhui Province Hefei Anhui P. R. China
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Negahdary M, Angnes L. An aptasensing platform for detection of heat shock protein 70 kDa (HSP70) using a modified gold electrode with lady fern-like gold (LFG) nanostructure. Talanta 2022; 246:123511. [DOI: 10.1016/j.talanta.2022.123511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 04/20/2022] [Accepted: 04/23/2022] [Indexed: 10/18/2022]
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8
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de Oliveira AA, Mendoza VO, Rastogi S, Nunes KP. New insights into the role and therapeutic potential of HSP70 in diabetes. Pharmacol Res 2022; 178:106173. [PMID: 35278625 DOI: 10.1016/j.phrs.2022.106173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 03/06/2022] [Accepted: 03/07/2022] [Indexed: 10/18/2022]
Abstract
Emerging evidence indicates that HSP70 represents a key mechanism in the pathophysiology of β-cell dysfunction, insulin resistance, and various diabetic complications, including micro- and macro-vascular alterations, as well as impaired hemostasis. Hyperglycemia, a hallmark of both types of diabetes, increases the circulating levels of HSP70 (eHSP70), but there is still divergence about whether diabetes up- or down-regulates the intracellular fraction of this protein (iHSP70). Here, we consider that iHSP70 levels reduce in diabetic arterial structures and that the vascular system is in direct contact with all other systems in the body suggesting that a systemic response might also be happening for iHSP70, which is characterized by decreased levels of HSP70 in the vasculature. Furthermore, although many pathways have been proposed to explain HSP70's functions in diabetes, and organs/tissues/cells-specific variations occur, the membrane-bound receptor of the innate immune system, Toll-like receptor 4, and its downstream signal transduction pathways appear to be a constant, not only when we explore the actions of eHSP70, but also when we assess the contributions of iHSP70. In this review, we focus on discussing the multiple roles of HSP70 across organs/tissues/cells affected by hyperglycemia to further explore the possibility of targeting this protein with pharmacological and non-pharmacological approaches in the context of diabetes.
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Affiliation(s)
- Amanda Almeida de Oliveira
- Laboratory of Vascular Biology, Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, Melbourne, United States
| | - Valentina Ochoa Mendoza
- Laboratory of Vascular Biology, Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, Melbourne, United States
| | - Swasti Rastogi
- Laboratory of Vascular Biology, Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, Melbourne, United States
| | - Kenia Pedrosa Nunes
- Laboratory of Vascular Biology, Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, Melbourne, United States.
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9
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Vig S, Lambooij JM, Zaldumbide A, Guigas B. Endoplasmic Reticulum-Mitochondria Crosstalk and Beta-Cell Destruction in Type 1 Diabetes. Front Immunol 2021; 12:669492. [PMID: 33936111 PMCID: PMC8085402 DOI: 10.3389/fimmu.2021.669492] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 03/29/2021] [Indexed: 12/11/2022] Open
Abstract
Beta-cell destruction in type 1 diabetes (T1D) results from the combined effect of inflammation and recurrent autoimmunity. In response to inflammatory signals, beta-cells engage adaptive mechanisms where the endoplasmic reticulum (ER) and mitochondria act in concert to restore cellular homeostasis. In the recent years it has become clear that this adaptive phase may trigger the development of autoimmunity by the generation of autoantigens recognized by autoreactive CD8 T cells. The participation of the ER stress and the unfolded protein response to the increased visibility of beta-cells to the immune system has been largely described. However, the role of the other cellular organelles, and in particular the mitochondria that are central mediator for beta-cell survival and function, remains poorly investigated. In this review we will dissect the crosstalk between the ER and mitochondria in the context of T1D, highlighting the key role played by this interaction in beta-cell dysfunctions and immune activation, especially through regulation of calcium homeostasis, oxidative stress and generation of mitochondrial-derived factors.
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Affiliation(s)
- Saurabh Vig
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
| | - Joost M Lambooij
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands.,Department of Parasitology, Leiden University Medical Center, Leiden, Netherlands
| | - Arnaud Zaldumbide
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
| | - Bruno Guigas
- Department of Parasitology, Leiden University Medical Center, Leiden, Netherlands
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