1
|
Fan M, Zhang J, Zeng L, Wang D, Chen J, Xi X, Long J, Huang J, Li X. Non-coding RNA mediates endoplasmic reticulum stress-induced apoptosis in heart disease. Heliyon 2023; 9:e16246. [PMID: 37251826 PMCID: PMC10209419 DOI: 10.1016/j.heliyon.2023.e16246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 05/04/2023] [Accepted: 05/10/2023] [Indexed: 05/31/2023] Open
Abstract
Apoptosis is a complex and highly self-regulating form of cell death, which is an important cause of the continuous decline in ventricular function and is widely involved in the occurrence and development of heart failure, myocardial infarction, and myocarditis. Endoplasmic reticulum stress plays a crucial role in apoptosis-inducing. Accumulation of misfolded or unfolded proteins causes cells to undergo a stress response called unfolded protein response (UPR). UPR initially has a cardioprotective effect. Nevertheless, prolonged and severe ER stress will lead up to apoptosis of stressed cells. Non-coding RNA is a type of RNA that does not code proteins. An ever-increasing number of studies have shown that non-coding RNAs are involved in regulating endoplasmic reticulum stress-induced cardiomyocyte injury and apoptosis. In this study, the effects of miRNA and LncRNA on endoplasmic reticulum stress in various heart diseases were mainly discussed to clarify their protective effects and potential therapeutic strategies for apoptosis.
Collapse
Affiliation(s)
- Mingyuan Fan
- Department of Senile Disease, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China
| | - Jing Zhang
- Department of Senile Disease, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China
| | - Lei Zeng
- Department of Senile Disease, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China
| | - Danpeng Wang
- Department of Senile Disease, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China
| | - Jiao Chen
- Department of Senile Disease, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China
| | - Xiaorong Xi
- Department of Senile Disease, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China
| | - Jing Long
- Department of Senile Disease, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China
| | - Jinzhu Huang
- Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Xueping Li
- Department of Senile Disease, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China
| |
Collapse
|
2
|
Kim M, Rubab A, Chan WC, Chan D. Osteoarthritis year in review: genetics, genomics and epigenetics. Osteoarthritis Cartilage 2023:S1063-4584(23)00725-2. [PMID: 36924918 DOI: 10.1016/j.joca.2023.03.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 03/08/2023] [Accepted: 03/08/2023] [Indexed: 03/18/2023]
Abstract
This "year in review" provides a summary of the research findings on the topic of genetics, genomics and epigenetics for osteoarthritis (OA) between Mar 2021-Apr 2022. A search routine of the literature in PubMed for the keyword, osteoarthritis, together with topics on genetics, genomics, epigenetics, polymorphism, DNA methylation, noncoding RNA, lncRNA, proteomics, and single cell RNA sequencing, returned key research articles and relevant reviews. Following filtering of duplicates across search routines, 695 unique research articles and 112 reviews were identified. We manually curated these articles and selected 90 as references for this review. However, we were unable to refer to all these articles, and only used selected articles to highlight key outcomes and trends. The trend in genetics is on the meta-analysis of existing cohorts with comparable genetic and phenotype characterisation of OA; in particular, clear definition of endophenotypes to enhance the genetic power. Further, many researchers are realizing the power of big data and multi-omics approaches to gain molecular insights for OA, and this has opened innovative approaches to include transcriptomics and epigenetics data as quantitative trait loci (QTLs). Given that most of the genetic loci for OA are not located within coding regions of genes, implying the impact is likely to be on gene regulation, epigenetics is a hot topic, and there is a surge in studies relating to the role of miRNA and long non-coding RNA on cartilage biology and pathology. The findings are exciting and new insights are provided in this review to summarize a year of research and the road map to capture all new innovations to achieve the desired goal in OA prevention and treatment.
Collapse
Affiliation(s)
- Minyeong Kim
- School of Biomedical Sciences, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
| | - Aqsa Rubab
- School of Biomedical Sciences, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
| | - Wilson Cw Chan
- School of Biomedical Sciences, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
| | - Danny Chan
- School of Biomedical Sciences, The University of Hong Kong, Pokfulam, Hong Kong SAR, China.
| |
Collapse
|
3
|
Adamczyk-Grochala J, Bloniarz D, Zielinska K, Lewinska A, Wnuk M. DNMT2/TRDMT1 gene knockout compromises doxorubicin-induced unfolded protein response and sensitizes cancer cells to ER stress-induced apoptosis. Apoptosis 2023; 28:166-185. [PMID: 36273376 PMCID: PMC9950192 DOI: 10.1007/s10495-022-01779-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/28/2022] [Indexed: 11/26/2022]
Abstract
The acidic, hypoxic and nutrient-deprived tumor microenvironment may induce endoplasmic reticulum (ER) stress and the unfolded protein response (UPR) may exert an important cytoprotective role by promoting folding of newly synthesized proteins and cancer cell survival. The lack of DNMT2/TRDMT1 methyltransferase-mediated C38 tRNA methylation compromises translational fidelity that may result in the accumulation of misfolded and aggregated proteins leading to proteotoxic stress-related cell death. In the present study, DNMT2/TRDMT1 gene knockout-mediated effects were investigated during doxorubicin (DOX)-induced ER stress and PERK-, IRE1- and ATF6-orchestrated UPR in four genetically different cellular models of cancer (breast and cervical cancer, osteosarcoma and glioblastoma cells). Upon DOX stimulation, DNMT2/TRDMT1 gene knockout impaired PERK activation and modulated NSUN and 5-methylcytosine RNA-based responses and microRNA profiles. The lack of DNMT2/TRDMT1 gene in DOX-treated four cancer cell lines resulted in decreased levels of four microRNAs, namely, miR-23a-3p, miR-93-5p, miR-125a-5p and miR-191-5p involved in the regulation of several pathways such as ubiquitin-mediated proteolysis, amino acid degradation and translational misregulation in cancer. We conclude that DNMT2/TRDMT1 gene knockout, at least in selected cellular cancer models, affects adaptive responses associated with protein homeostasis networks that during prolonged ER stress may result in increased sensitivity to apoptotic cell death.
Collapse
Affiliation(s)
- Jagoda Adamczyk-Grochala
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310, Rzeszow, Poland
| | - Dominika Bloniarz
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310, Rzeszow, Poland
| | - Klaudia Zielinska
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310, Rzeszow, Poland
| | - Anna Lewinska
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310, Rzeszow, Poland.
| | - Maciej Wnuk
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310, Rzeszow, Poland.
| |
Collapse
|
4
|
Vijayalalitha R, Archita T, Juanitaa GR, Jayasuriya R, Amin KN, Ramkumar KM. Role of Long Non-Coding RNA in Regulating ER Stress Response to the Progression of Diabetic Complications. Curr Gene Ther 2023; 23:96-110. [PMID: 35927920 DOI: 10.2174/1566523222666220801141450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 04/08/2022] [Accepted: 04/22/2022] [Indexed: 11/22/2022]
Abstract
Chronic hyperglycemia damages the nerves and blood vessels, culminating in other vascular complications. Such complications enhance cytokine, oxidative and endoplasmic reticulum (ER) stress. ER is the primary organelle where proteins are synthesised and attains confirmatory changes before its site of destination. Perturbation of ER homeostasis activates signaling sensors within its lumen, the unfolded protein response (UPR) that orchestrates ER stress and is extensively studied. Increased ER stress markers are reported in diabetic complications in addition to lncRNA that acts as an upstream marker inducing ER stress response. This review focuses on the mechanisms of lncRNA that regulate ER stress markers, especially during the progression of diabetic complications. Through this systemic review, we showcase the dysfunctional lncRNAs that act as a leading cause of ER stress response to the progression of diabetic complications.
Collapse
Affiliation(s)
- Ramanarayanan Vijayalalitha
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - Tca Archita
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - George Raj Juanitaa
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - Ravichandran Jayasuriya
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - Karan Naresh Amin
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - Kunka Mohanram Ramkumar
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| |
Collapse
|
5
|
Abstract
Recent studies have identified long non-coding RNAs (lncRNAs) as potential regulators of adipogenesis. In this study, we have characterized a lncRNA, LIPE-AS1, that spans genes CEACAM1 to LIPE in man with conservation of genomic organization and tissue expression between mouse and man. Tissue-specific expression of isoforms of the murine lncRNA were found in liver and adipose tissue, one of which, designated mLas-V3, overlapped the Lipe gene encoding hormone-sensitive lipase in both mouse and man suggesting that it may have a functional role in adipose tissue. Knock down of expression of mLas-V3 using anti-sense oligos (ASOs) led to a significant decrease in the differentiation of the OP9 pre-adipocyte cell line through the down regulation of the major adipogenic transcription factors Pparg and Cebpa. Knock down of mLas-V3 induced apoptosis during the differentiation of OP9 cells as shown by expression of active caspase-3, a change in the localization of LIP/LAP isoforms of C/EBPβ, and expression of the cellular stress induced factors CHOP, p53, PUMA, and NOXA. We conclude that mLas-V3 may play a role in protecting against stress associated with adipogenesis, and its absence leads to apoptosis.
Collapse
Affiliation(s)
- Alyssa Thunen
- Department of Molecular Imaging and Therapy, Beckman Research Institute of City of Hope, Duarte, CA, USA
- Irell and Manella Graduate School of Biological Sciences, Beckman Research Institute of City of Hope, Duarte, CA, USA
| | - Deirdre La Placa
- Department of Molecular Imaging and Therapy, Beckman Research Institute of City of Hope, Duarte, CA, USA
| | - Zhifang Zhang
- Department of Molecular Imaging and Therapy, Beckman Research Institute of City of Hope, Duarte, CA, USA
| | - John E. Shively
- Department of Molecular Imaging and Therapy, Beckman Research Institute of City of Hope, Duarte, CA, USA
| |
Collapse
|
6
|
Michael D, Feldmesser E, Gonen C, Furth N, Maman A, Heyman O, Argoetti A, Tofield A, Baichman-Kass A, Ben-Dov A, Benbenisti D, Hen N, Rotkopf R, Ganci F, Blandino G, Ulitsky I, Oren M. miR-4734 conditionally suppresses ER stress-associated proinflammatory responses. FEBS Lett 2022; 597:1233-1245. [PMID: 36445168 DOI: 10.1002/1873-3468.14548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 11/07/2022] [Accepted: 11/20/2022] [Indexed: 12/02/2022]
Abstract
Prolonged metabolic stress can lead to severe pathologies. In metabolically challenged primary fibroblasts, we assigned a novel role for the poorly characterized miR-4734 in restricting ATF4 and IRE1-mediated upregulation of a set of proinflammatory cytokines and endoplasmic reticulum stress-associated genes. Conversely, inhibition of this miRNA augmented the expression of those genes. Mechanistically, miR-4734 was found to restrict the expression of the transcriptional activator NF-kappa-B inhibitor zeta (NFKBIZ), which is required for optimal expression of the proinflammatory genes and whose mRNA is targeted directly by miR-4734. Concordantly, overexpression of NFKBIZ compromised the effects of miR-4734, underscoring the importance of this direct targeting. As the effects of miR-4734 were evident under stress but not under basal conditions, it may possess therapeutic utility towards alleviating stress-induced pathologies.
Collapse
Affiliation(s)
- Dan Michael
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel.,Feinberg Graduate School, Weizmann Institute of Science, Rehovot, Israel
| | - Ester Feldmesser
- Life Science Core Facilities, Weizmann Institute of Science, Rehovot, Israel
| | - Chagay Gonen
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Noa Furth
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Alexander Maman
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel
| | - Ori Heyman
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Amir Argoetti
- Faculty of Biology, Technion-Israel Institute of Technology, Haifa, Israel
| | - Adin Tofield
- School of Neurobiology, Biochemistry and Biophysics, The George S. Wise Faculty of Life Sciences, Tel Aviv University, Israel
| | - Amichai Baichman-Kass
- Department of Plant Pathology and Microbiology, Faculty of Agriculture, Food and Environment, Hebrew University of Jerusalem, Rehovot, Israel
| | - Aviyah Ben-Dov
- Faculty of Agriculture, Food and Environment, Hebrew University of Jerusalem, Rehovot, Israel
| | - Dan Benbenisti
- Faculty of Agriculture, Food and Environment, Hebrew University of Jerusalem, Rehovot, Israel
| | - Nadav Hen
- Faculty of Agriculture, Food and Environment, Hebrew University of Jerusalem, Rehovot, Israel
| | - Ron Rotkopf
- Life Science Core Facilities, Weizmann Institute of Science, Rehovot, Israel
| | - Federica Ganci
- IRCSS Regina Elena National Cancer Institute, Rome, Italy
| | | | - Igor Ulitsky
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Moshe Oren
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| |
Collapse
|
7
|
Trouvé P, Férec C, Génin E. The Interplay between the Unfolded Protein Response, Inflammation and Infection in Cystic Fibrosis. Cells 2021; 10:2980. [PMID: 34831204 PMCID: PMC8616505 DOI: 10.3390/cells10112980] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 10/25/2021] [Accepted: 10/29/2021] [Indexed: 12/15/2022] Open
Abstract
In cystic fibrosis (CF), p.Phe508del is the most frequent mutation in the Cystic Fibrosis Transmembrane conductance Regulator (CFTR) gene. The p.Phe508del-CFTR protein is retained in the ER and rapidly degraded. This retention likely triggers an atypical Unfolded Protein Response (UPR) involving ATF6, which reduces the expression of p.Phe508del-CFTR. There are still some debates on the role of the UPR in CF: could it be triggered by the accumulation of misfolded CFTR proteins in the endoplasmic reticulum as was proposed for the most common CFTR mutation p.Phe508del? Or, is it the consequence of inflammation and infection that occur in the disease? In this review, we summarize recent findings on UPR in CF and show how infection, inflammation and UPR act together in CF. We propose to rethink their respective role in CF and to consider them as a whole.
Collapse
Affiliation(s)
- Pascal Trouvé
- Inserm, Univ Brest, EFS, UMR 1078, GGB, F-29200 Brest, France; (C.F.); (E.G.)
| | | | | |
Collapse
|
8
|
Chien CY, Chen YC, Lee CH, Wu JR, Huang TW, Huang RY, Cheng WC, Hsieh ACT, Shieh YS. Dysregulation of the miR-30a/BiP axis by cigarette smoking accelerates oral cancer progression. Cancer Cell Int 2021; 21:578. [PMID: 34717640 PMCID: PMC8557586 DOI: 10.1186/s12935-021-02276-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 10/18/2021] [Indexed: 12/02/2022] Open
Abstract
Background Cigarette smoking is the most significant cause of oral cancer progression. Cigarette smoke condensate (CSC) has been shown to induce endoplasmic reticulum (ER) stress. Binding immunoglobulin protein (BiP) being as an ER stress regulator, has been reported to be implicated in malignant behaviors. Therefore, the aim of this study was to investigate the role of the ER stress-responsive protein, BiP, in CSC-induced oral squamous cell carcinoma (OSCC) malignancy. Methods The biological role of BiP in CSC-induced tumor progression was investigated in OSCC cells (YD38 and SCC25) and in a tumor xenograft mouse model. The expressions of related genes were investigated using quantitative RT-PCR and Western blot analysis. Cell migration and invasion were assessed using scratch wound healing and Transwell invasion assays. The effects of conditioned media from OSCC cells on the angiogenic activities of endothelial cells were analyzed using a tube formation assay. The interaction between miR-30a and BiP mRNA was detected using a luciferase reporter assay. Results Our results demonstrated that CSC increased the expression of BiP in time- and dose-dependent manners in YD38 and SCC25 cells, and that silencing BiP abrogated CSC-induced cell invasion and tumor-associated angiogenesis. Notably, the putative miR-30a binding site was observed in the 3′untranslated region (UTR) of BiP mRNA, and miR-30a suppressed BiP expression by targeting 3′UTR of BiP transcript. In addition, CSC increased the expression of BiP in OSCC cells by downregulating miR-30a. We also showed that BiP promoted invasion and tumor-associated angiogenesis by increasing the production and secretion of vascular endothelial growth factor in CSC-exposed OSCC cells. Moreover, BiP inhibition suppressed OSCC growth and reduced tumor vessel density in tumor-bearing mice administered with CSC. Conclusions These observations suggest that epigenetic regulation of BiP via miR-30a downregulation is involved in CSC-induced OSCC progression.
Collapse
Affiliation(s)
- Chu-Yen Chien
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei City, Taiwan
| | - Ying-Chen Chen
- Molecular and Cell Biology, Taiwan International Graduate Program, Academia Sinica and Graduate Institute of Life Science, National Defense Medical Center, Taipei City, Taiwan
| | - Chien-Hsing Lee
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei City, Taiwan.,Department and Graduate Institute of Biochemistry, National Defense Medical Center, Taipei City, Taiwan
| | - Jia-Rong Wu
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei City, Taiwan
| | - Tsai-Wang Huang
- Division of Thoracic Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei City, Taiwan
| | - Ren-Yeong Huang
- School of Dentistry, National Defense Medical Center, Taipei City, 114, Taiwan.,Department of Dentistry, Tri-Service General Hospital, National Defense Medical Center, Taipei City, Taiwan
| | - Wan-Chien Cheng
- School of Dentistry, National Defense Medical Center, Taipei City, 114, Taiwan.,Department of Dentistry, Tri-Service General Hospital, National Defense Medical Center, Taipei City, Taiwan
| | | | - Yi-Shing Shieh
- Department and Graduate Institute of Biochemistry, National Defense Medical Center, Taipei City, Taiwan. .,School of Dentistry, National Defense Medical Center, Taipei City, 114, Taiwan. .,Department of Dentistry, Tri-Service General Hospital, National Defense Medical Center, Taipei City, Taiwan.
| |
Collapse
|
9
|
Expression of IDE and PITRM1 genes in ERN1 knockdown U87 glioma cells: effect of hypoxia and glucose deprivation. Endocr Regul 2021; 54:183-195. [PMID: 32857715 DOI: 10.2478/enr-2020-0021] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
OBJECTIVE The aim of the present investigation was to study the expression of genes encoding polyfunctional proteins insulinase (insulin degrading enzyme, IDE) and pitrilysin metallopeptidase 1 (PITRM1) in U87 glioma cells in response to inhibition of endoplasmic reticulum stress signaling mediated by ERN1/IRE1 (endoplasmic reticulum to nucleus signaling 1) for evaluation of their possible significance in the control of metabolism through ERN1 signaling as well as hypoxia, glucose and glutamine deprivations. METHODS The expression level of IDE and PITRM1 genes was studied in control and ERN1 knockdown U87 glioma cells under glucose and glutamine deprivations as well as hypoxia by quantitative polymerase chain reaction. RESULTS It was found that the expression level of IDE and PITRM1 genes was down-regulated in ERN1 knockdown (without ERN1 protein kinase and endoribonuclease activity) glioma cells in comparison with the control glioma cells, being more significant for PITRM1 gene. We also found up-regulation of microRNA MIR7-2 and MIRLET7A2, which have specific binding sites in 3'-untranslated region of IDE and PITRM1 mRNAs, correspondingly, and can participate in posttranscriptional regulation of these mRNA expressions. Only inhibition of ERN1 endoribonuclease did not change significantly the expression of IDE and PITRM1 genes in glioma cells. The expression of IDE and PITRM1 genes is preferentially regulated by ERN1 protein kinase. We also showed that hypoxia down-regulated the expression of IDE and PITRM1 genes and that knockdown of ERN1 signaling enzyme function modified the response of these gene expressions to hypoxia. Glucose deprivation increased the expression level of IDE and PITRM1 genes, but ERN1 knockdown enhanced only the effect of glucose deprivation on PITRM1 gene expression. Glutamine deprivation did not affect the expression of IDE gene in both types of glioma cells, but up-regulated PITRM1 gene and this up-regulation was stronger in ERN1 knockdown cells. CONCLUSIONS Results of this investigation demonstrate that ERN1 knockdown significantly decreases the expression of IDE and PITRM1 genes by ERN1 protein kinase mediated mechanism. The expression of both studied genes was sensitive to hypoxia as well as glucose deprivation and dependent on ERN1 signaling in gene-specific manner. It is possible that the level of these genes expression under hypoxia and glucose deprivation is a result of complex interaction of variable endoplasmic reticulum stress related and unrelated regulatory factors and contributed to the control of the cell metabolism.
Collapse
|
10
|
Groenendyk J, Agellon LB, Michalak M. Calcium signaling and endoplasmic reticulum stress. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2021; 363:1-20. [PMID: 34392927 DOI: 10.1016/bs.ircmb.2021.03.003] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Cellular homeostasis is essential for healthy functioning of cells and tissues as well as proper organ development and maintenance. A disruption in cellular homeostasis triggers stress responses including the unfolded protein response (UPR), an endoplasmic reticulum (ER) stress coping response. There is increasing evidence that Ca2+ signaling plays a pivotal role in stress responses, as Ca2+ is involved many cellular activities. The ER is the main Ca2+ storage organelle and the source of Ca2+ for intracellular signaling. The ER is equipped with a variety of stress sensors and contains many Ca2+ handling proteins that support a role for Ca2+ in stress sensing and in coordinating strategies required to cope with cellular stress. Maintenance of ER Ca2+ homeostasis is therefore vital in sustaining cellular functions especially during times of cellular stress. Here we focus on selected aspects of ER Ca2+ homeostasis, its links to ER stress, and activation of the ER stress coping response.
Collapse
Affiliation(s)
- Jody Groenendyk
- Department of Biochemistry, University of Alberta, Edmonton, AB, Canada.
| | - Luis B Agellon
- School of Human Nutrition, McGill University, Ste. Anne de Bellevue, QC, Canada.
| | - Marek Michalak
- Department of Biochemistry, University of Alberta, Edmonton, AB, Canada.
| |
Collapse
|
11
|
Tellier J. miR-148a weaves its thread into the plasma cell fate. Eur J Immunol 2021; 51:1076-1079. [PMID: 33792033 DOI: 10.1002/eji.202149240] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 03/16/2021] [Accepted: 03/24/2021] [Indexed: 12/22/2022]
Abstract
The plasma cells (PC) are characterized by their rarity, their formidable capacity to continuously secrete massive amounts of antibodies and the potential to live through the whole life span of the organism that houses them. Because of the potency of their effector function, their differentiation and survival are tightly regulated. The PC identity is implemented and maintained by a transcriptional program that allow them to face the challenges entailed by their longevity and high metabolic activity. The main transcription factors overseeing this transcriptional network have been identified (BLIMP1, IRF4, XBP1), but new players, like miRNA, continue to emerge and bring new layers of complexity to the regulatory loops. In the current issue of the European Journal of Immunology [Eur. J. Immunol. 2021. 51: 1089-1109], Pracht et al. identify miR-148a as a significant actor of the PC program that favors the differentiation through the inhibition of competitor fates, and supports the survival and fitness of the long-lived PC. In this commentary, we will discuss the place of miR-148a in the PC transcriptional network and its potential as a therapeutic target in PC-driven diseases.
Collapse
Affiliation(s)
- Julie Tellier
- The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.,Department of Medical Biology, University of Melbourne, Parkville, Victoria, Australia
| |
Collapse
|
12
|
Xu H, Tian Y, Tang D, Zou S, Liu G, Song J, Zhang G, Du X, Huang W, He B, Lin W, Jin L, Huang W, Yang J, Fu X. An Endoplasmic Reticulum Stress-MicroRNA-26a Feedback Circuit in NAFLD. Hepatology 2021; 73:1327-1345. [PMID: 32567701 DOI: 10.1002/hep.31428] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 05/12/2020] [Accepted: 05/27/2020] [Indexed: 02/05/2023]
Abstract
BACKGROUND AND AIMS Endoplasmic reticulum (ER) stress is an adaptive response to excessive ER demand and contributes to the development of numerous diseases, including nonalcoholic fatty liver disease (NAFLD), which is hallmarked by the accumulation of lipid within hepatocytes. However, the underlying mechanisms remain elusive. MicroRNAs (miRNAs) play an indispensable role in various stress responses, but their implications in ER stress have not yet been systemically investigated. In this study, we identify a negative feedback loop consisting of hepatic ER stress and miR-26a in NAFLD pathogenesis. APPROACH AND RESULTS Combining miRNA dot blot array and quantitative PCR, we find that miR-26a is specifically induced by ER stress in liver cells. This induction of miR-26a is critical for cells to cope with ER stress. In human hepatoma cells and murine primary hepatocytes, overexpression of miR-26a markedly alleviates chemical-induced ER stress, as well as palmitate-triggered ER stress and lipid accumulation. Conversely, deficiency of miR-26a exhibits opposite effects. Mechanistically, miR-26a directly targets the eukaryotic initiation factor 2α, a core ER stress effector controlling cellular translation. Intriguingly, miR-26a is reduced in the livers of patients with NAFLD. Hepatocyte-specific restoration of miR-26a in mice significantly mitigates high-fat diet-induced ER stress and hepatic steatosis. In contrast, deficiency of miR-26a in mice exacerbates high-fat diet-induced ER stress, lipid accumulation, inflammation and hepatic steatosis. CONCLUSIONS Our findings suggest ER stress-induced miR-26a up-regulation as a regulator for hepatic ER stress resolution, and highlight the ER stress/miR-26a/eukaryotic initiation factor 2α cascade as a promising therapeutic strategy for NAFLD.
Collapse
Affiliation(s)
- Haixia Xu
- Division of Endocrinology and Metabolism, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
| | - Yan Tian
- Division of Endocrinology and Metabolism, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
| | - Dongmei Tang
- Division of Endocrinology and Metabolism, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
| | - Sailan Zou
- Division of Endocrinology and Metabolism, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
| | - Geng Liu
- Division of Endocrinology and Metabolism, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
| | - Jiulin Song
- Department of Pediatric Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Guixiang Zhang
- Department of Gastrointestinal Surgery, Laboratory of Bariatric and Metabolic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Xiao Du
- Department of Gastrointestinal Surgery, Laboratory of Bariatric and Metabolic Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Wei Huang
- Department of Integrated Traditional Chinese and Western Medicine, Sichuan Provincial Pancreatitis Centre and West China-Liverpool Biomedical Research Centre, West China Hospital of Sichuan University, Chengdu, China
| | - Bin He
- Department of Emergency, West China Hospital, Sichuan University, Chengdu, China
| | - Weiqiang Lin
- Institute of Translational Medicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Liang Jin
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Wendong Huang
- Department of Diabetes Complications and Metabolism, Diabetes & Metabolism Research Institute of City of Hope, Beckman Research Institute of City of Hope, Duarte, CA
| | - Jiayin Yang
- Department of Liver Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Xianghui Fu
- Division of Endocrinology and Metabolism, National Clinical Research Center for Geriatrics, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, China
| |
Collapse
|
13
|
Chattopadhyay P, Srinivasa Vasudevan J, Pandey R. Noncoding RNAs: modulators and modulatable players during infection-induced stress response. Brief Funct Genomics 2021; 20:28-41. [PMID: 33491070 PMCID: PMC7929421 DOI: 10.1093/bfgp/elaa026] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 12/09/2020] [Accepted: 12/11/2020] [Indexed: 12/16/2022] Open
Abstract
The human genome has an almost equal distribution of unique and transposable genetic elements. Although at the transcriptome level, a relatively higher contribution from transposable elements derived RNA has been reported. This is further highlighted with evidence from pervasive transcription. Of the total RNA, noncoding RNAs (ncRNAs) are significant contributors to the transcriptome pool with sizeable fraction from repetitive elements of the human genome, inclusive of Long Interspersed Nuclear Elements (LINEs) and Short Interspersed Nuclear Elements (SINEs). ncRNAs are increasingly being implicated in diverse functional roles especially during conditions of stress. These stress responses are driven through diverse mediators, inclusive of long and short ncRNAs. ncRNAs such as MALAT1, GAS5, miR-204 and miR-199a-5p have been functionally involved during oxidative stress, endoplasmic reticulum (ER) stress and unfolded protein response (UPR). Also, within SINEs, Alu RNAs derived from primate-specific Alu repeats with ~11% human genome contribution, playing a significant role. Pathogenic diseases, including the recent COVID-19, leads to differential regulation of ncRNAs. Although, limited evidence suggests the need for an inquest into the role of ncRNAs in determining the host response towards pathogen challenge.
Collapse
Affiliation(s)
| | | | - Rajesh Pandey
- Corresponding author: Rajesh Pandey, INtegrative GENomics of HOst-PathogEn (INGEN-HOPE) laboratory. CSIR-Institute of Genomics and Integrative Biology (CSIR-IGIB), North Campus, Near Jubilee Hall, Mall Road, Delhi-110007, India. Tel.: +91 9811029551; E-mail:
| |
Collapse
|
14
|
Melixetian M, Bossi D, Mihailovich M, Punzi S, Barozzi I, Marocchi F, Cuomo A, Bonaldi T, Testa G, Marine JC, Leucci E, Minucci S, Pelicci PG, Lanfrancone L. Long non-coding RNA TINCR suppresses metastatic melanoma dissemination by preventing ATF4 translation. EMBO Rep 2021; 22:e50852. [PMID: 33586907 PMCID: PMC7926219 DOI: 10.15252/embr.202050852] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 12/21/2020] [Accepted: 12/23/2020] [Indexed: 12/20/2022] Open
Abstract
Transition from proliferative‐to‐invasive phenotypes promotes metastasis and therapy resistance in melanoma. Reversion of the invasive phenotype, however, is challenged by the poor understanding of mechanisms underlying its maintenance. Here, we report that the lncRNA TINCR is down‐regulated in metastatic melanoma and its silencing increases the expression levels of invasive markers, in vitro migration, in vivo tumor growth, and resistance to BRAF and MEK inhibitors. The critical mediator is ATF4, a central player of the integrated stress response (ISR), which is activated in TINCR‐depleted cells in the absence of starvation and eIF2α phosphorylation. TINCR depletion increases global protein synthesis and induces translational reprogramming, leading to increased translation of mRNAs encoding ATF4 and other ISR proteins. Strikingly, re‐expression of TINCR in metastatic melanoma suppresses the invasive phenotype, reduces numbers of tumor‐initiating cells and metastasis formation, and increases drug sensitivity. Mechanistically, TINCR interacts with mRNAs associated with the invasive phenotype, including ATF4, preventing their binding to ribosomes. Thus, TINCR is a suppressor of the melanoma invasive phenotype, which functions in nutrient‐rich conditions by repressing translation of selected ISR RNAs.
Collapse
Affiliation(s)
- Marine Melixetian
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Daniela Bossi
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Marija Mihailovich
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Simona Punzi
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Iros Barozzi
- Department of Surgery and Cancer, Imperial College London, London, UK
| | - Federica Marocchi
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Alessandro Cuomo
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Tiziana Bonaldi
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| | - Giuseppe Testa
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy.,Department of Oncology and Hemato-oncology, University of Milan, Milan, Italy
| | - Jean-Christophe Marine
- Laboratory for Molecular Cancer Biology, Department of Oncology, KULeuven, Leuven, Belgium.,Center for Cancer Biology, VIB, Leuven, Belgium
| | - Eleonora Leucci
- Laboratory for RNA Cancer Biology, Department of Oncology, KULeuven, Leuven, Belgium
| | - Saverio Minucci
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy.,Department of Biosciences, University of Milan, Milan, Italy
| | - Pier Giuseppe Pelicci
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy.,Department of Oncology and Hemato-oncology, University of Milan, Milan, Italy
| | - Luisa Lanfrancone
- Department of Experimental Oncology, IEO, European Institute of Oncology IRCCS, Milan, Italy
| |
Collapse
|
15
|
Alonso-Barroso E, Pérez B, Desviat LR, Richard E. Cardiomyocytes Derived from Induced Pluripotent Stem Cells as a Disease Model for Propionic Acidemia. Int J Mol Sci 2021; 22:ijms22031161. [PMID: 33503868 PMCID: PMC7865492 DOI: 10.3390/ijms22031161] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/20/2021] [Accepted: 01/21/2021] [Indexed: 12/13/2022] Open
Abstract
Propionic acidemia (PA), one of the most frequent life-threatening organic acidemias, is caused by mutations in either the PCCA or PCCB genes encoding both subunits of the mitochondrial propionyl-CoA carboxylase (PCC) enzyme. Cardiac alterations (hypertrophy, dilated cardiomyopathy, long QT) are one of the major causes of mortality in patients surviving the neonatal period. To overcome limitations of current cellular models of PA, we generated induced pluripotent stem cells (iPSCs) from a PA patient with defects in the PCCA gene, and successfully differentiated them into cardiomyocytes. PCCA iPSC-derived cardiomyocytes exhibited reduced oxygen consumption, an accumulation of residual bodies and lipid droplets, and increased ribosomal biogenesis. Furthermore, we found increased protein levels of HERP, GRP78, GRP75, SIG-1R and MFN2, suggesting endoplasmic reticulum stress and calcium perturbations in these cells. We also analyzed a series of heart-enriched miRNAs previously found deregulated in the heart tissue of a PA murine model and confirmed their altered expression. Our novel results show that PA iPSC-cardiomyocytes represent a promising model for investigating the pathological mechanisms underlying PA cardiomyopathies, also serving as an ex vivo platform for therapeutic evaluation.
Collapse
Affiliation(s)
- Esmeralda Alonso-Barroso
- Centro de Biología Molecular Severo Ochoa UAM-CSIC, Universidad Autónoma de Madrid, 28049 Madrid, Spain; (E.A.-B.); (B.P.); (L.R.D.)
- Centro de Diagnóstico de Enfermedades Moleculares (CEDEM), 28049 Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), ISCIII, 28029 Madrid, Spain
- Instituto de Investigación Sanitaria Hospital La Paz (IdiPaz), ISCIII, 28029 Madrid, Spain
| | - Belén Pérez
- Centro de Biología Molecular Severo Ochoa UAM-CSIC, Universidad Autónoma de Madrid, 28049 Madrid, Spain; (E.A.-B.); (B.P.); (L.R.D.)
- Centro de Diagnóstico de Enfermedades Moleculares (CEDEM), 28049 Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), ISCIII, 28029 Madrid, Spain
- Instituto de Investigación Sanitaria Hospital La Paz (IdiPaz), ISCIII, 28029 Madrid, Spain
| | - Lourdes Ruiz Desviat
- Centro de Biología Molecular Severo Ochoa UAM-CSIC, Universidad Autónoma de Madrid, 28049 Madrid, Spain; (E.A.-B.); (B.P.); (L.R.D.)
- Centro de Diagnóstico de Enfermedades Moleculares (CEDEM), 28049 Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), ISCIII, 28029 Madrid, Spain
- Instituto de Investigación Sanitaria Hospital La Paz (IdiPaz), ISCIII, 28029 Madrid, Spain
| | - Eva Richard
- Centro de Biología Molecular Severo Ochoa UAM-CSIC, Universidad Autónoma de Madrid, 28049 Madrid, Spain; (E.A.-B.); (B.P.); (L.R.D.)
- Centro de Diagnóstico de Enfermedades Moleculares (CEDEM), 28049 Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), ISCIII, 28029 Madrid, Spain
- Instituto de Investigación Sanitaria Hospital La Paz (IdiPaz), ISCIII, 28029 Madrid, Spain
- Correspondence:
| |
Collapse
|
16
|
Kim T, Croce CM. MicroRNA and ER stress in cancer. Semin Cancer Biol 2021; 75:3-14. [PMID: 33422566 DOI: 10.1016/j.semcancer.2020.12.025] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 12/24/2020] [Accepted: 12/30/2020] [Indexed: 12/12/2022]
Abstract
The development of biological technologies in genomics, proteomics, and bioinformatics has led to the identification and characterization of the complete set of coding genes and their roles in various cellular pathways in cancer. Nevertheless, the cellular pathways have not been fully figured out like a jigsaw puzzle with missing pieces. The discovery of noncoding RNAs including microRNAs (miRNAs) has provided the missing pieces of the cellular pathways. Likewise, miRNAs have settled many questions of inexplicable patches in the endoplasmic reticulum (ER) stress pathways. The ER stress-caused pathways typified by the unfolded protein response (UPR) are pivotal processes for cellular homeostasis and survival, rectifying uncontrolled proteostasis and determining the cell fate. Although various factors and pathways have been studied and characterized, the understanding of the ER stress requires more wedges to fill the cracks of knowledge about the ER stress pathways. Moreover, the roles of the ER stress and UPR are still controversial in cancer despite their strong potential to promote cancer. The noncoding RNAs, in particular, miRNAs aid in a better understanding of the ER stress and its role in cancer. In this review, miRNAs that are the more-investigated subtype of noncoding RNAs are focused on the interpretation of the ER stress in cancer, following the introduction of miRNA and ER stress.
Collapse
Affiliation(s)
- Taewan Kim
- Department of Anatomy, Histology & Developmental Biology, Base for International Science and Technology Cooperation, Carson Cancer Stem Cell Vaccines R&D Center, International Cancer Center, Shenzhen University Health Science Center, Shenzhen 518055, China; The Ohio State University Comprehensive Cancer Center, Columbus, OH 43210, USA.
| | - Carlo M Croce
- Department of Cancer Biology and Genetics, The Ohio State University, Columbus, OH 43210, USA.
| |
Collapse
|
17
|
Read DE, Gupta A, Cawley K, Fontana L, Agostinis P, Samali A, Gupta S. Downregulation of miR-17-92 Cluster by PERK Fine-Tunes Unfolded Protein Response Mediated Apoptosis. Life (Basel) 2021; 11:life11010030. [PMID: 33418948 PMCID: PMC7825066 DOI: 10.3390/life11010030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/31/2020] [Accepted: 01/02/2021] [Indexed: 01/07/2023] Open
Abstract
An important event in the unfolded protein response (UPR) is activation of the endoplasmic reticulum (ER) kinase PERK. The PERK signalling branch initially mediates a prosurvival response, which progresses to a proapoptotic response upon prolonged ER stress. However, the molecular mechanisms of PERK-mediated cell death are not well understood. Here we show that expression of the primary miR-17-92 transcript and mature miRNAs belonging to the miR-17-92 cluster are decreased during UPR. We found that miR-17-92 promoter reporter activity was reduced during UPR in a PERK-dependent manner. Furthermore, we show that activity of the miR-17-92 promoter is repressed by ectopic expression of ATF4 and NRF2. Promoter deletion analysis mapped the region responding to UPR-mediated repression to a site in the proximal region of the miR-17-92 promoter. Hypericin-mediated photo-oxidative ER damage reduced the expression of miRNAs belonging to the miR-17-92 cluster in wild-type but not in PERK-deficient cells. Importantly, ER stress-induced apoptosis was inhibited upon miR-17-92 overexpression in SH-SY5Y and H9c2 cells. Our results reveal a novel function for ATF4 and NRF2, where repression of the miR-17-92 cluster plays an important role in ER stress-mediated apoptosis. Mechanistic details are provided for the potentiation of cell death via sustained PERK signalling mediated repression of the miR-17-92 cluster.
Collapse
Affiliation(s)
- Danielle E. Read
- Discipline of Pathology, Cancer Progression and Treatment Research Group, Lambe Institute for Translational Research, School of Medicine, National University of Ireland-Galway, H91 TK33 Galway, Ireland;
| | - Ananya Gupta
- Discipline of Physiology, School of Medicine, National University of Ireland-Galway, H91 TK33 Galway, Ireland;
| | - Karen Cawley
- Apoptosis Research Centre, School of Natural Sciences, National University of Ireland Galway, H91 TK33 Galway, Ireland; (K.C.); (A.S.)
| | - Laura Fontana
- Ragon Institute of MGH, MIT and Harvard, Cambridge, 02138 MA, USA;
| | - Patrizia Agostinis
- Cell Death Research and Therapy Group, Department of Cellular and Molecular Medicine, KU Leuven, 3000 Leuven, Belgium;
- VIB Center for Cancer Biology Research, 3000 Leuven, Belgium
| | - Afshin Samali
- Apoptosis Research Centre, School of Natural Sciences, National University of Ireland Galway, H91 TK33 Galway, Ireland; (K.C.); (A.S.)
| | - Sanjeev Gupta
- Discipline of Pathology, Cancer Progression and Treatment Research Group, Lambe Institute for Translational Research, School of Medicine, National University of Ireland-Galway, H91 TK33 Galway, Ireland;
- Correspondence:
| |
Collapse
|
18
|
Ménard C, Wilson AM, Dejda A, Miloudi K, Binet F, Crespo-Garcia S, Parinot C, Pilon F, Juneau R, Andriessen EM, Mawambo G, SanGiovanni JP, De Guire V, Sapieha P. miR-106b suppresses pathological retinal angiogenesis. Aging (Albany NY) 2020; 12:24836-24852. [PMID: 33361521 PMCID: PMC7803573 DOI: 10.18632/aging.202404] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Accepted: 11/13/2020] [Indexed: 12/02/2022]
Abstract
MicroRNAs are small non-coding RNAs that post-transcriptionally regulate gene expression. We recently demonstrated that levels of miR-106b were significantly decreased in the vitreous and plasma of patients with neovascular age-related macular degeneration (AMD). Here we show that expression of the miR-106b-25 cluster is negatively regulated by the unfolded protein response pathway of protein kinase RNA-like ER kinase (PERK) in a mouse model of neovascular AMD. A reduction in levels of miR-106b triggers vascular growth both in vivo and in vitro by inducing production of pro-angiogenic factors. We demonstrate that therapeutic delivery of miR-106b to the retina with lentiviral vectors protects against aberrant retinal angiogenesis in two distinct mouse models of pathological retinal neovascularization. Results from this study suggest that miRNAs such as miR-106b have the potential to be used as multitarget therapeutics for conditions characterized by pathological retinal angiogenesis.
Collapse
Affiliation(s)
- Catherine Ménard
- Department of Biochemistry, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal H1T 2M4, Quebec, Canada
| | - Ariel M Wilson
- Department of Biochemistry, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal H1T 2M4, Quebec, Canada
| | - Agnieszka Dejda
- Department of Ophthalmology, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal H1T 2M4, Quebec, Canada
| | - Khalil Miloudi
- Department of Neurology-Neurosurgery, McGill University, Montreal H3A 2B4, Quebec, Canada
| | - François Binet
- Department of Ophthalmology, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal H1T 2M4, Quebec, Canada
| | - Sergio Crespo-Garcia
- Department of Ophthalmology, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal H1T 2M4, Quebec, Canada
| | - Célia Parinot
- Department of Ophthalmology, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal H1T 2M4, Quebec, Canada
| | - Frédérique Pilon
- Department of Ophthalmology, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal H1T 2M4, Quebec, Canada
| | - Rachel Juneau
- Department of Ophthalmology, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal H1T 2M4, Quebec, Canada
| | - Elisabeth Mma Andriessen
- Department of Ophthalmology, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal H1T 2M4, Quebec, Canada
| | - Gaëlle Mawambo
- Department of Biochemistry, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal H1T 2M4, Quebec, Canada
| | | | - Vincent De Guire
- Department of Biochemistry, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal H1T 2M4, Quebec, Canada
| | - Przemyslaw Sapieha
- Department of Biochemistry, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal H1T 2M4, Quebec, Canada.,Department of Ophthalmology, Maisonneuve-Rosemont Hospital Research Centre, University of Montreal, Montreal H1T 2M4, Quebec, Canada.,Department of Neurology-Neurosurgery, McGill University, Montreal H3A 2B4, Quebec, Canada
| |
Collapse
|
19
|
Avril T, Chevet E. IRE1-mediated miRNA maturation in macrophage phosphoinositide signaling. EMBO Rep 2020; 21:e51929. [PMID: 33274581 DOI: 10.15252/embr.202051929] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Endoplasmic reticulum (ER) stress signaling has long been associated with various pathological states in particular with the development of diseases with an underlying inflammation, such as diabetes, liver or cardiovascular dysfunctions, and cancer. ER stress signaling is mediated by three stress sensors. The most evolutionarily conserved one, the inositol-requiring enzyme 1 alpha (IRE1), transduces most of the signals through an endoribonuclease (RNase) activity toward RNAs including mRNAs and microRNAs (miRNAs). By exploring phosphoinositide signaling in human macrophages, Hamid and colleagues discovered a novel function of IRE1 RNase that through the cleavage of pre-miR-2317 generates a mature miR-2317 independently of the canonical Dicer endonuclease to yield specific biological outcomes (Hamid et al, 2020).
Collapse
Affiliation(s)
- Tony Avril
- Inserm U1242, University of Rennes, Rennes, France.,Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Eric Chevet
- Inserm U1242, University of Rennes, Rennes, France.,Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| |
Collapse
|
20
|
Wu C, Chen W, Yu F, Yuan Y, Chen Y, Hurst DR, Li Y, Li L, Liu Z. Long Noncoding RNA HITTERS Protects Oral Squamous Cell Carcinoma Cells from Endoplasmic Reticulum Stress-Induced Apoptosis via Promoting MRE11-RAD50-NBS1 Complex Formation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:2002747. [PMID: 33240783 PMCID: PMC7675039 DOI: 10.1002/advs.202002747] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Indexed: 02/05/2023]
Abstract
Recent studies have proven that long noncoding RNAs (lncRNAs) exhibit regulatory functions of both DNA damage response (DDR) and endoplasmic reticulum (ER) stress. Herein, ER stress-induced lncRNA transcriptomic changes are reported in human oral squamous cell carcinoma (OSCC) cells and a novel lncRNA HITTERS ( H ERPUD1 intronic transcript of ER stress) is identified as the most significantly upregulated lncRNA. It is shown that HITTERS is a nucleus-located lncRNA including two transcript variants. HITTERS lacks an independent promoter but shares the same promoter with HERPUD1. HITTERS is transcriptionally regulated by Activating Transcription Factor (ATF) 6, ATF4, X-Box Binding Protein 1 (XBP1), and DNA methylation. In human OSCC tissues, HITTERS is significantly correlated with OSCC clinicopathological features and prognosis. Gain- and loss-of-function studies reveal that HITTERS promotes OSCC proliferation and invasion via influencing the expression of growth factor receptors and the downstream pathways. Once ER stress is triggered, HITTERS significantly attenuates ER stress-induced apoptosis both in vivo and in vitro. Mechanically, HITTERS functions as RNA scaffold to promote MRE11-RAD50-NBS1 complex formation in the repair of ER stress-induced DNA damage. To sum up, this study presents a novel lncRNA, namely HITTERS, which links ER stress and DDR together in OSCC.
Collapse
Affiliation(s)
- Chenzhou Wu
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases and Department of Head and Neck OncologyWest China Hospital of StomatologySichuan UniversityNumber 14, Unit 3, Renmin Nan RoadChengduSichuan610041China
| | - Wen Chen
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases and Department of Head and Neck OncologyWest China Hospital of StomatologySichuan UniversityNumber 14, Unit 3, Renmin Nan RoadChengduSichuan610041China
| | - Fanyuan Yu
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases and Department of EndodonticsWest China Hospital of StomatologySichuan UniversityNumber 14, Unit 3, Renmin Nan RoadChengduSichuan610041China
| | - Yihang Yuan
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases and Department of Head and Neck OncologyWest China Hospital of StomatologySichuan UniversityNumber 14, Unit 3, Renmin Nan RoadChengduSichuan610041China
| | - Yafei Chen
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases and Department of Head and Neck OncologyWest China Hospital of StomatologySichuan UniversityNumber 14, Unit 3, Renmin Nan RoadChengduSichuan610041China
| | - Douglas R. Hurst
- Department of PathologyUniversity of Alabama at BirminghamBirminghamAL35294USA
| | - Yi Li
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases and Department of Head and Neck OncologyWest China Hospital of StomatologySichuan UniversityNumber 14, Unit 3, Renmin Nan RoadChengduSichuan610041China
| | - Longjiang Li
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases and Department of Head and Neck OncologyWest China Hospital of StomatologySichuan UniversityNumber 14, Unit 3, Renmin Nan RoadChengduSichuan610041China
| | - Zhe Liu
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases and Department of Head and Neck OncologyWest China Hospital of StomatologySichuan UniversityNumber 14, Unit 3, Renmin Nan RoadChengduSichuan610041China
| |
Collapse
|
21
|
Su Z, Sheng L, Yu P, Ren N, Li Y, Qin Z. Regulation of microRNAs by IRE1α in apoptosis: implications for the pathomechanism of neurodegenerative diseases. Int J Neurosci 2020; 130:1230-1236. [PMID: 32070174 DOI: 10.1080/00207454.2020.1730833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Although there are large differences in clinical and pathological features, age-related neurodegenerative diseases (NDs) share common pathogenetic mechanisms involving aggregation and deposition of misfolded proteins, which leads to progressive dysfunction and death of neurons. Up to now, it seems that apoptosis is one major form of neuronal cell death. This review provides an overview of recent progress in unfolded protein response (UPR) during apoptosis induced by abnormal protein aggregation and emphasizes on the potential role of inositol requiring enzyme 1 alpha (IRE1α)-microRNAs (miRNAs) mediated apoptosis in NDs, which will provide new insights in the pathogenesis of neurodegenerative diseases and novel therapeutic targets for the treatment of NDs.
Collapse
Affiliation(s)
- Zhonghao Su
- School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lanyue Sheng
- School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ping Yu
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Na Ren
- School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yajuan Li
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhenxia Qin
- School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| |
Collapse
|
22
|
Díaz-Hung ML, Martínez G, Hetz C. Emerging roles of the unfolded protein response (UPR) in the nervous system: A link with adaptive behavior to environmental stress? INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2020; 350:29-61. [PMID: 32138903 DOI: 10.1016/bs.ircmb.2020.01.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Stressors elicit a neuroendocrine response leading to increased levels of glucocorticoids, allowing the organism to adapt to environmental changes and maintain homeostasis. Glucocorticoids have a broad effect in the body, modifying the activity of the immune system, metabolism, and behavior through the activation of receptors in the limbic system. Chronic exposition to stressors operates as a risk factor for psychiatric diseases such as depression and posttraumatic stress disorder. Among the cellular alterations observed as a consequence of environmental stress, alterations to organelle function at the level of mitochondria and endoplasmic reticulum (ER) are emerging as possible factors contributing to neuronal dysfunction. ER proteostasis alterations elicit the unfolded protein response (UPR), a conserved signaling network that re-establish protein homeostasis. In addition, in the context of brain function, the UPR has been associated to neurodevelopment, synaptic plasticity and neuronal connectivity. Recent studies suggest a role of the UPR in the adaptive behavior to stress, suggesting a mechanistic link between environmental and cellular stress. Here, we revise recent evidence supporting an evolutionary connection between the neuroendocrine system and the UPR to modulate behavioral adaptive responses.
Collapse
Affiliation(s)
- Mei-Li Díaz-Hung
- Biomedical Neuroscience Institute, Faculty of Medicine, University of Chile, Santiago, Chile; Program of Cellular and Molecular Biology, Institute of Biomedical Sciences, University of Chile, Santiago, Chile; Center for Geroscience, Brain Health and Metabolism, Santiago, Chile
| | - Gabriela Martínez
- Biomedical Neuroscience Institute, Faculty of Medicine, University of Chile, Santiago, Chile; Program of Cellular and Molecular Biology, Institute of Biomedical Sciences, University of Chile, Santiago, Chile; Center for Geroscience, Brain Health and Metabolism, Santiago, Chile
| | - Claudio Hetz
- Biomedical Neuroscience Institute, Faculty of Medicine, University of Chile, Santiago, Chile; Program of Cellular and Molecular Biology, Institute of Biomedical Sciences, University of Chile, Santiago, Chile; Center for Geroscience, Brain Health and Metabolism, Santiago, Chile; Buck Institute for Research on Aging, Novato, CA, United States.
| |
Collapse
|
23
|
Kültz D. Evolution of cellular stress response mechanisms. JOURNAL OF EXPERIMENTAL ZOOLOGY PART 2020; 333:359-378. [PMID: 31970941 DOI: 10.1002/jez.2347] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 12/19/2019] [Accepted: 01/08/2020] [Indexed: 12/16/2022]
Abstract
The cellular stress response (CSR) is pervasive to all domains of life. It has shaped the interaction between organisms and their environment since the origin of the first cell. Although the CSR has been subject to a myriad of nuanced modifications in the various branches of life present today, its core features remain preserved. The scientific literature covering the CSR is enormous and the broad scope of this brief overview was challenging. However, it is critical to conceptually understand how cells respond to stress in a holistic sense and to point out how fundamental aspects of the CSR framework are integrated. It was necessary to be extremely selective and not feasible to even mention many interesting and important developments in this expansive field. The purpose of this overview is to sketch out general and emerging CSR concepts with an emphasis on the initial cellular strain resulting from stress (macromolecular damage) and the evolutionarily most highly conserved elements of the CSR. Examples emphasize fish and aquatic invertebrates to highlight what is known in organisms beyond mammals, yeast, and other common models. Nonetheless, select pioneering studies using canonical models are also considered and the concepts discussed are applicable to all cells. More detail on important aspects of the CSR in aquatic animals is provided in the accompanying articles of this special issue.
Collapse
Affiliation(s)
- Dietmar Kültz
- Department of Animal Sciences, University of California Davis, Davis, California
| |
Collapse
|
24
|
Hypoxic regulation of EDN1, EDNRA, EDNRB, and ECE1 gene expressions in ERN1 knockdown U87 glioma cells. Endocr Regul 2019; 53:250-262. [DOI: 10.2478/enr-2019-0025] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Abstract
Objective. The aim of the present investigation was to study the effect of hypoxia on the expression of genes encoding endothelin-1 (EDN1) and its cognate receptors (EDNRA and EDNRB) as well as endothelin converting enzyme 1 (ECE1) in U87 glioma cells in response to inhibition of endoplasmic reticulum stress signaling mediated by ERN1/IRE1 (endoplasmic reticulum to nucleus signaling 1) for evaluation of their possible significance in the control of glioma growth through ERN1 and hypoxia.
Methods. The expression level of EDN1, EDNRA, EDNRB, and ECE1 genes as well as micro-RNA miR-19, miR-96, and miR-206 was studied in control and ERN1 knockdown U87 glioma cells under hypoxia by quantitative polymerase chain reaction.
Results. It was shown that the expression level of EDN1, EDNRA, EDNRB, and ECE1 genes was up-regulated in ERN1 knockdown glioma cells in comparison with the control glioma cells, being more significant for endothelin-1. We also observed down-regulation of microRNA miR-206, miR-96, and miR-19a, which have specific binding sites in mRNA EDN1, EDNRA, and EDNRB, correspondingly, and can participate in posttranscriptional regulation of these mRNA expressions. Furthermore, inhibition of ERN1 endoribonuclease lead to up-regulation of EDNRA and ECE1 gene expressions and down-regulation of the expression level of EDN1 and EDNRB genes in glioma cells. Thus, the expression of EDNRA and ECE1 genes is regulated by ERN1 endoribonuclease, but EDN1 and EDNRB genes preferentially by ERN1 protein kinase. We have also shown that hypoxia enhanced the expression of EDN1, EDNRA, and ECE1 genes and that knockdown of ERN1 signaling enzyme function significantly modified the response of all studied gene expressions to hypoxia. Thus, effect of hypoxia on the expression level of EDN1 and ECE1 genes was significantly or completely reduced in ERN1 knockdown glioma cells since the expression of EDNRA gene was down-regulated under hypoxia. Moreover, hypoxia is induced the expression of EDNRB gene in ERN1 knockdown glioma cells.
Conclusions. Results of this investigation demonstrate that ERN1 knockdown significantly increased the expression of endothelin-1 and its receptors as well as ECE1 genes by different mechanisms and that all studied gene expressions were sensitive to hypoxia. It is possible that hypoxic regulation of the expression of these genes is a result of complex interaction of variable ERN1 related transcription and regulatory factors with HIF1A and possibly contributed to the control of glioma growth.
Collapse
|
25
|
Karagöz GE, Aragón T, Acosta-Alvear D. Recent advances in signal integration mechanisms in the unfolded protein response. F1000Res 2019; 8. [PMID: 31723416 PMCID: PMC6833987 DOI: 10.12688/f1000research.19848.1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/22/2019] [Indexed: 12/15/2022] Open
Abstract
Since its discovery more than 25 years ago, great progress has been made in our understanding of the unfolded protein response (UPR), a homeostatic mechanism that adjusts endoplasmic reticulum (ER) function to satisfy the physiological demands of the cell. However, if ER homeostasis is unattainable, the UPR switches to drive cell death to remove defective cells in an effort to protect the health of the organism. This functional dichotomy places the UPR at the crossroads of the adaptation versus apoptosis decision. Here, we focus on new developments in UPR signaling mechanisms, in the interconnectivity among the signaling pathways that make up the UPR in higher eukaryotes, and in the coordination between the UPR and other fundamental cellular processes.
Collapse
Affiliation(s)
- G Elif Karagöz
- Max Perutz Labs Vienna, Medical University of Vienna, Vienna, Austria
| | - Tomás Aragón
- Department of Gene Therapy and Regulation of Gene Expression, University of Navarra, Pamplona, Spain
| | - Diego Acosta-Alvear
- Department of Molecular, Cellular, and Developmental Biology, University of California, Santa Barbara, Santa Barbara, Santa Barbara, CA, USA
| |
Collapse
|
26
|
Abstract
The prevalence of insulin resistance (IR) is increasing rapidly worldwide and it is a relevant health problem because it is associated with several diseases, such as type 2 diabetes, cardiovascular disorders and cancer. Understanding the mechanisms involved in IR onset and progression will open new avenues for identifying biomarkers for preventing and treating IR and its co-diseases. Epigenetic mechanisms such as DNA methylation are important factors that mediate the environmental effect in the genome by regulating gene expression and consequently its effect on the phenotype and the development of disease. Taking into account that IR results from a complex interplay between genes and the environment and that epigenetic marks are reversible, disentangling the relationship between IR and epigenetics will provide new tools to improve the management and prevention of IR. Here, we review the current scientific evidence regarding the association between IR and epigenetic markers as mechanisms involved in IR development and potential management.
Collapse
Affiliation(s)
- Andrea G Izquierdo
- Epigenomics in Endocrinology and Nutrition group, Instituto de Investigacion Sanitaria (IDIS), Complejo Hospitalario Universitario de Santiago (CHUS/SERGAS), C/ Choupana, s/n, 15706, Santiago de Compostela, Spain
- CIBER Fisiopatologia de la Obesidad y Nutricion (CIBERobn), Madrid, Spain
| | - Ana B Crujeiras
- Epigenomics in Endocrinology and Nutrition group, Instituto de Investigacion Sanitaria (IDIS), Complejo Hospitalario Universitario de Santiago (CHUS/SERGAS), C/ Choupana, s/n, 15706, Santiago de Compostela, Spain.
- CIBER Fisiopatologia de la Obesidad y Nutricion (CIBERobn), Madrid, Spain.
| |
Collapse
|
27
|
Epithelial to Mesenchymal transition, eIF2α phosphorylation and Hsp70 expression enable greater tolerance in A549 cells to TiO 2 over ZnO nanoparticles. Sci Rep 2019; 9:436. [PMID: 30679528 PMCID: PMC6346025 DOI: 10.1038/s41598-018-36716-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Accepted: 10/03/2018] [Indexed: 12/15/2022] Open
Abstract
Type II alveolar cells are highly robust in nature, yet susceptible to aerosolized nanoparticles (NPs). Dysfunction in these specialized cells, can often lead to emphysema, edema, and pulmonary inflammation. Long-time exposure can also lead to dangerous epigenetic modifications and cancer. Among the manufactured nanomaterials, metal oxide nanoparticles are widely encountered owing to their wide range of applications. Scores of published literatures affirm ZnO NPs are more toxic to human alveolar cells than TiO2. However, signalling cascades deducing differences in human alveolar responses to their exposure is not well documented. With A549 cells, we have demonstrated that epithelial to mesenchymal transition and an increased duration of phosphorylation of eIF2α are crucial mechanisms routing better tolerance to TiO2 NP treatment over exposure to ZnO. The increased migratory capacity may help cells escape away from the zone of stress. Further, expression of chaperone such as Hsp70 is also enhanced during the same dose-time investigations. This is the first report of its kind. These novel findings could be successfully developed in the future to design relief strategies to alleviate metal oxide nanoparticle mediated stress.
Collapse
|
28
|
Gao P, Fan R, Ge T. SNHG20 serves as a predictor for prognosis and promotes cell growth in oral squamous cell carcinoma. Oncol Lett 2018; 17:951-957. [PMID: 30655853 PMCID: PMC6312994 DOI: 10.3892/ol.2018.9709] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2017] [Accepted: 07/16/2018] [Indexed: 12/11/2022] Open
Abstract
Accumulating evidence indicates that long non-coding RNAs (lncRNAs) serve important roles in various tumor types, including colorectal cancer and gastric cancer. The present study aimed to investigate the contribution of the lncRNA small nucleolar RNA host gene 20 (SNHG20) in oral squamous cell carcinoma (OSCC) progression. It was demonstrated that SNHG20 expression was significantly increased in OSCC tissue specimens, compared with in adjacent non-tumor tissue specimens. The increased SNHG20 expression in OSCC tissue specimens was associated with tumor differentiation and Tumor-Node-Metastasis stage. Kaplan-Meier analysis and log-rank tests indicated that Higher SNHG20 expression predicted a poor overall survival (OS) rate in patients with OSCC. Multivariate Cox proportional hazards regression analysis demonstrated that increased SNHG20 expression was an independent predictor for the OS of patients with OSCC. Knockdown of SNHG20 expression in OSCC cells suppressed proliferation. The cell proliferation-associated proteins proliferating cell nuclear antigen and Ki67 expression levels were reduced when SNHG20 was knocked down in OSCC cells; thus, the results indicated that SHNG20 may serve as a predictor and potential target for OSCC treatment.
Collapse
Affiliation(s)
- Pengjie Gao
- Department of Stomatology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, P.R. China
| | - Rui Fan
- Department of Stomatology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, P.R. China
| | - Tao Ge
- Department of Stomatology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, P.R. China
| |
Collapse
|
29
|
Almanza A, Carlesso A, Chintha C, Creedican S, Doultsinos D, Leuzzi B, Luís A, McCarthy N, Montibeller L, More S, Papaioannou A, Püschel F, Sassano ML, Skoko J, Agostinis P, de Belleroche J, Eriksson LA, Fulda S, Gorman AM, Healy S, Kozlov A, Muñoz-Pinedo C, Rehm M, Chevet E, Samali A. Endoplasmic reticulum stress signalling - from basic mechanisms to clinical applications. FEBS J 2018; 286:241-278. [PMID: 30027602 PMCID: PMC7379631 DOI: 10.1111/febs.14608] [Citation(s) in RCA: 523] [Impact Index Per Article: 87.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Revised: 06/24/2018] [Accepted: 07/18/2018] [Indexed: 02/06/2023]
Abstract
The endoplasmic reticulum (ER) is a membranous intracellular organelle and the first compartment of the secretory pathway. As such, the ER contributes to the production and folding of approximately one‐third of cellular proteins, and is thus inextricably linked to the maintenance of cellular homeostasis and the fine balance between health and disease. Specific ER stress signalling pathways, collectively known as the unfolded protein response (UPR), are required for maintaining ER homeostasis. The UPR is triggered when ER protein folding capacity is overwhelmed by cellular demand and the UPR initially aims to restore ER homeostasis and normal cellular functions. However, if this fails, then the UPR triggers cell death. In this review, we provide a UPR signalling‐centric view of ER functions, from the ER's discovery to the latest advancements in the understanding of ER and UPR biology. Our review provides a synthesis of intracellular ER signalling revolving around proteostasis and the UPR, its impact on other organelles and cellular behaviour, its multifaceted and dynamic response to stress and its role in physiology, before finally exploring the potential exploitation of this knowledge to tackle unresolved biological questions and address unmet biomedical needs. Thus, we provide an integrated and global view of existing literature on ER signalling pathways and their use for therapeutic purposes.
Collapse
Affiliation(s)
- Aitor Almanza
- Apoptosis Research Centre, National University of Ireland, Galway, Ireland
| | - Antonio Carlesso
- Department of Chemistry and Molecular Biology, University of Gothenburg, Göteborg, Sweden
| | - Chetan Chintha
- Apoptosis Research Centre, National University of Ireland, Galway, Ireland
| | | | - Dimitrios Doultsinos
- INSERM U1242, University of Rennes, France.,Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Brian Leuzzi
- Apoptosis Research Centre, National University of Ireland, Galway, Ireland
| | - Andreia Luís
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, AUVA Research Centre, Vienna, Austria
| | - Nicole McCarthy
- Institute for Experimental Cancer Research in Paediatrics, Goethe-University, Frankfurt, Germany
| | - Luigi Montibeller
- Neurogenetics Group, Division of Brain Sciences, Faculty of Medicine, Imperial College London, UK
| | - Sanket More
- Department Cellular and Molecular Medicine, Laboratory of Cell Death and Therapy, KU Leuven, Belgium
| | - Alexandra Papaioannou
- INSERM U1242, University of Rennes, France.,Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Franziska Püschel
- Cell Death Regulation Group, Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain
| | - Maria Livia Sassano
- Department Cellular and Molecular Medicine, Laboratory of Cell Death and Therapy, KU Leuven, Belgium
| | - Josip Skoko
- Institute of Cell Biology and Immunology, University of Stuttgart, Germany
| | - Patrizia Agostinis
- Department Cellular and Molecular Medicine, Laboratory of Cell Death and Therapy, KU Leuven, Belgium
| | - Jackie de Belleroche
- Neurogenetics Group, Division of Brain Sciences, Faculty of Medicine, Imperial College London, UK
| | - Leif A Eriksson
- Department of Chemistry and Molecular Biology, University of Gothenburg, Göteborg, Sweden
| | - Simone Fulda
- Institute for Experimental Cancer Research in Paediatrics, Goethe-University, Frankfurt, Germany
| | - Adrienne M Gorman
- Apoptosis Research Centre, National University of Ireland, Galway, Ireland
| | - Sandra Healy
- Apoptosis Research Centre, National University of Ireland, Galway, Ireland
| | - Andrey Kozlov
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, AUVA Research Centre, Vienna, Austria
| | - Cristina Muñoz-Pinedo
- Cell Death Regulation Group, Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain
| | - Markus Rehm
- Institute of Cell Biology and Immunology, University of Stuttgart, Germany
| | - Eric Chevet
- INSERM U1242, University of Rennes, France.,Centre de Lutte Contre le Cancer Eugène Marquis, Rennes, France
| | - Afshin Samali
- Apoptosis Research Centre, National University of Ireland, Galway, Ireland
| |
Collapse
|
30
|
Quan H, Fan Q, Li C, Wang YY, Wang L. The transcriptional profiles and functional implications of long non-coding RNAs in the unfolded protein response. Sci Rep 2018; 8:4981. [PMID: 29563563 PMCID: PMC5862980 DOI: 10.1038/s41598-018-23289-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Accepted: 03/08/2018] [Indexed: 01/03/2023] Open
Abstract
The unfolded protein response (UPR) is activated, when the folding capacity is compromised in the endoplasmic reticulum (ER). To date, most studies focused on the coding genes and microRNAs in UPR. Other non-coding RNAs affected by UPR and their roles in UPR have not been systematically studied. Long noncoding RNAs (lncRNAs) are increasingly recognized as powerful epigenetic regulators. In this study, we transcriptomically profiled the lncRNAs and mRNAs from mouse embryonic fibroblasts under ER stress, and identified many differentially expressed lncRNAs and mRNAs. Genomic location and mRNA-lncRNA co-expression analyses predicted a number of lncRNAs, which potentially regulate the expression of UPR genes. In particular, FR229754, an exonic sense lncRNA, is significantly up-regulated in UPR. FR229754 overlaps with Sel1l, and their expressions correlated with each other. Sel1l is involved in the ER-associated protein degradation. Silencing of FR229754 did not much affect the expression of Sel1l, but markedly reduced the levels of BiP/GRP78/Hspa5, a major ER chaperon up-regulated in UPR. Probing with pathway-specific inhibitors showed that up-regulation of FR229754 and Sel1 depended on the activation of PERK. Together, our study identified a number of candidate lncRNAs and paved the way for future characterization of their functions in UPR.
Collapse
Affiliation(s)
- Hongyang Quan
- Department of Physiology, Institute of Basic Medical Sciences, School of Basic Medicine Peking Union Medical College, Chinese Academy of Medical Sciences, 5 Dong Dan San Tiao, Beijing, 100005, China.,Patent Examination Corporation, State Intellectual Property Office, 2028 Tianfu Avenue South, Chengdu, 610213, China
| | - Qianqian Fan
- Department of Physiology, Institute of Basic Medical Sciences, School of Basic Medicine Peking Union Medical College, Chinese Academy of Medical Sciences, 5 Dong Dan San Tiao, Beijing, 100005, China.,National Research Institute for Family Planning, 12 Da Hui Si, Beijing, 100080, China
| | - Chuang Li
- Department of Physiology, Institute of Basic Medical Sciences, School of Basic Medicine Peking Union Medical College, Chinese Academy of Medical Sciences, 5 Dong Dan San Tiao, Beijing, 100005, China
| | - Yan-Ying Wang
- Department of Physiology, Institute of Basic Medical Sciences, School of Basic Medicine Peking Union Medical College, Chinese Academy of Medical Sciences, 5 Dong Dan San Tiao, Beijing, 100005, China
| | - Lin Wang
- Department of Physiology, Institute of Basic Medical Sciences, School of Basic Medicine Peking Union Medical College, Chinese Academy of Medical Sciences, 5 Dong Dan San Tiao, Beijing, 100005, China.
| |
Collapse
|
31
|
The Long Noncoding RNA HOTAIR in Breast Cancer: Does Autophagy Play a Role? Int J Mol Sci 2017; 18:ijms18112317. [PMID: 29469819 PMCID: PMC5713286 DOI: 10.3390/ijms18112317] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Revised: 10/27/2017] [Accepted: 10/31/2017] [Indexed: 01/17/2023] Open
Abstract
HOTAIR (HOX transcript antisense RNA) plays a critical role in chromatin dynamics through the interaction with histone modifiers resulting in transcriptional gene silencing. The promoter of the HOTAIR gene contains multiple estrogen response elements (EREs) and is transcriptionally activated by estradiol in estrogen receptor-positive breast cancer cells. HOTAIR competes with BRCA1, a critical protein in breast cancer and is a critical regulator of genes involved in epithelial-to-mesenchymal transition. It mediates an oncogenic action of c-Myc, essential for breast carcinogenesis. The carcinogenic action of HOTAIR was confirmed in breast cancer stem-like cells, in which it was essential for self-renewal and proliferation. Several miRNAs regulate the expression of HOTAIR and HOTAIR interacts with many miRNAs to support cancer transformation. Many studies point at miR-34a as a major component of HOTAIR–miRNAs–cancer cross-talk. The most important role of HOTAIR can be attributed to cancer progression as its overexpression stimulates invasion and metastasis. HOTAIR can regulate autophagy, important for breast cancer cells survival, through the interaction with miRNAs specific for autophagy genes and directly with these genes. The role of HOTAIR-mediated autophagy in breast cancer progression can be underlined by its interaction with matrix metalloproteinases, essential for cancer invasion, and β-catenin can be important for this interaction. Therefore, there are several mechanisms of the interplay between HOTAIR and autophagy important for breast cancer, but further studies are needed to determine more details of this interplay.
Collapse
|
32
|
Kozak RA, Majer A, Biondi MJ, Medina SJ, Goneau LW, Sajesh BV, Slota JA, Zubach V, Severini A, Safronetz D, Hiebert SL, Beniac DR, Booth TF, Booth SA, Kobinger GP. MicroRNA and mRNA Dysregulation in Astrocytes Infected with Zika Virus. Viruses 2017; 9:v9100297. [PMID: 29036922 PMCID: PMC5691648 DOI: 10.3390/v9100297] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Revised: 09/30/2017] [Accepted: 10/10/2017] [Indexed: 12/31/2022] Open
Abstract
The Zika virus (ZIKV) epidemic is an ongoing public health concern. ZIKV is a flavivirus reported to be associated with microcephaly, and recent work in animal models demonstrates the ability of the virus to cross the placenta and affect fetal brain development. Recent findings suggest that the virus preferentially infects neural stem cells and thereby deregulates gene expression, cell cycle progression, and increases cell death. However, neuronal stem cells are not the only brain cells that are susceptible to ZIKV and infection of other brain cells may contribute to disease progression. Herein, we characterized ZIKV replication in astrocytes, and profiled temporal changes in host microRNAs (miRNAs) and transcriptomes during infection. We observed the deregulation of numerous processes known to be involved in flavivirus infection, including genes involved in the unfolded protein response pathway. Moreover, a number of miRNAs were upregulated, including miR-30e-3p, miR-30e-5p, and, miR-17-5p, which have been associated with other flavivirus infections. This study highlights potential miRNAs that may be of importance in ZIKV pathogenesis.
Collapse
Affiliation(s)
- Robert A Kozak
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada.
| | - Anna Majer
- Molecular Patho Biology, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada.
- Viral Diseases Division, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada.
| | - Mia J Biondi
- Special Pathogens Program, National Microbiology Laboratory, Public Health Agency of Canada; Winnipeg, MB R3E 3R2, Canada, .
| | - Sarah J Medina
- Molecular Patho Biology, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada.
| | - Lee W Goneau
- Medical Microbiology, Public Health Ontario Laboratory, Toronto, ON M5G 1M1, Canada.
| | - Babu V Sajesh
- Research Institute in Oncology and Hematology, Cancer Care Manitoba, Winnipeg, MB R3E 0V9, Canada.
| | - Jessy A Slota
- Molecular Patho Biology, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada.
| | - Vanessa Zubach
- Viral Exanthemata and STD, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada.
| | - Alberto Severini
- Viral Exanthemata and STD, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada.
| | - David Safronetz
- Viral Zoonoses, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada.
| | - Shannon L Hiebert
- Viral Diseases Division, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada.
| | - Daniel R Beniac
- Viral Diseases Division, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada.
| | - Timothy F Booth
- Viral Diseases Division, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada.
| | - Stephanie A Booth
- Molecular Patho Biology, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada.
| | - Gary P Kobinger
- Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA.
- Infectious Diseases Research Centre, Université Laval, Quebec, QC G1V 4G2, Canada.
| |
Collapse
|
33
|
The Endoplasmic Reticulum and the Cellular Reticular Network. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 981:61-76. [DOI: 10.1007/978-3-319-55858-5_4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
|