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Fu C, Zhang Q, Wang A, Yang S, Jiang Y, Bai L, Wei Q. EWI-2 controls nucleocytoplasmic shuttling of EGFR signaling molecules and miRNA sorting in exosomes to inhibit prostate cancer cell metastasis. Mol Oncol 2021; 15:1543-1565. [PMID: 33605506 PMCID: PMC8096798 DOI: 10.1002/1878-0261.12930] [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: 10/30/2020] [Revised: 01/18/2021] [Accepted: 02/17/2021] [Indexed: 02/05/2023] Open
Abstract
Early and accurate diagnosis of prostate cancer (PCa) is extremely important, as metastatic PCa remains hard to treat. EWI-2, a member of the Ig protein subfamily, is known to inhibit PCa cell migration. In this study, we found that EWI-2 localized on both the cell membrane and exosomes regulates the distribution of miR-3934-5p between cells and exosomes. Interestingly, we observed that EWI-2 is localized not only on the plasma membrane but also on the nuclear envelope (nuclear membrane), where it regulates the nuclear translocation of signaling molecules and miRNA. Collectively, these functions of EWI-2 found in lipid bilayers appear to regulate PCa cell metastasis through the epidermal growth factor receptor-mitogen-activated protein kinase-extracellular-signal-regulated kinase (EGFR-MAPK-ERK) pathway. Our research provides new insights into the molecular function of EWI-2 on PCa metastasis, and highlights EWI-2 as a potential PCa biomarker.
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Affiliation(s)
- Chenying Fu
- State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Qing Zhang
- Department of Rehabilitation Medicine Center, Key Laboratory of Rehabilitation Medicine in Sichuan Province, West China Hospital, Sichuan University, Chengdu, China
| | - Ani Wang
- Cadiovascular Center, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
| | - Songpeng Yang
- State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yangfu Jiang
- State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Lin Bai
- Research Core Facility, West China Hospital, Sichuan University, Chengdu, China
| | - Quan Wei
- State Key Laboratory of Biotherapy and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China.,Department of Rehabilitation Medicine Center, Key Laboratory of Rehabilitation Medicine in Sichuan Province, West China Hospital, Sichuan University, Chengdu, China
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2
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Szatmary P, Huang W, Criddle D, Tepikin A, Sutton R. Biology, role and therapeutic potential of circulating histones in acute inflammatory disorders. J Cell Mol Med 2018; 22:4617-4629. [PMID: 30085397 PMCID: PMC6156248 DOI: 10.1111/jcmm.13797] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 03/08/2018] [Accepted: 04/05/2018] [Indexed: 02/05/2023] Open
Abstract
Histones are positively charged nuclear proteins that facilitate packaging of DNA into nucleosomes common to all eukaryotic cells. Upon cell injury or cell signalling processes, histones are released passively through cell necrosis or actively from immune cells as part of extracellular traps. Extracellular histones function as microbicidal proteins and are pro‐thrombotic, limiting spread of infection or isolating areas of injury to allow for immune cell infiltration, clearance of infection and initiation of tissue regeneration and repair. Histone toxicity, however, is not specific to microbes and contributes to tissue and end‐organ injury, which in cases of systemic inflammation may lead to organ failure and death. This review details the processes of histones release in acute inflammation, the mechanisms of histone‐related tissue toxicity and current and future strategies for therapy targeting histones in acute inflammatory diseases.
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Affiliation(s)
- Peter Szatmary
- Liverpool Pancreatitis Research Group, Royal Liverpool University Hospital and Institute of Translational Medicine, University of Liverpool, Liverpool, UK.,Department of Cellular and Molecular Physiology, University of Liverpool, Liverpool, UK
| | - Wei Huang
- Liverpool Pancreatitis Research Group, Royal Liverpool University Hospital and Institute of Translational Medicine, University of Liverpool, Liverpool, UK.,Department of Integrated Traditional Chinese and Western Medicine, Sichuan Provincial Pancreatitis Center, West China Hospital of Sichuan University, Chengdu, China
| | - David Criddle
- Department of Cellular and Molecular Physiology, University of Liverpool, Liverpool, UK
| | - Alexei Tepikin
- Department of Cellular and Molecular Physiology, University of Liverpool, Liverpool, UK
| | - Robert Sutton
- Liverpool Pancreatitis Research Group, Royal Liverpool University Hospital and Institute of Translational Medicine, University of Liverpool, Liverpool, UK
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Khare H, Dey D, Madhu C, Senapati D, Raghothama S, Govindaraju T, Ramakumar S. Conformational heterogeneity in tails of DNA-binding proteins is augmented by proline containing repeats. MOLECULAR BIOSYSTEMS 2017; 13:2531-2544. [PMID: 29104984 DOI: 10.1039/c7mb00412e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A cationic terminal extension or tail is a common feature of many DNA-binding proteins. We show that a particular type of tail rich in proline, alanine and lysine belongs to the class of 'flexible disorder' and consists of characteristic pentapeptide repeats. Our designed peptides, (AAKKA)1-4 and (PAKKA)1-4, represent the tails of several bacterial DNA-binding proteins. Enhanced conformational sampling of these representative peptides using accelerated molecular dynamic simulations supported by circular dichroism spectroscopy and nuclear magnetic resonance studies demonstrates the role of frequent and interspersed prolines in augmenting conformational heterogeneity of the peptide backbone. Analysis of circular variance of backbone dihedral angles indicates alternating regions of relative rigidity and flexibility along the peptide sequence due to prolines. Preferred placement of lysines in the regions of higher backbone flexibility might improve DNA-binding by conformational selection. Our results could be relevant for rational de novo design of disordered peptides.
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Affiliation(s)
- Harshavardhan Khare
- Department of Physics, Indian Institute of Science, Bengaluru 560012, India.
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Szatmary P, Liu T, Abrams ST, Voronina S, Wen L, Chvanov M, Huang W, Wang G, Criddle DN, Tepikin AV, Toh CH, Sutton R. Systemic histone release disrupts plasmalemma and contributes to necrosis in acute pancreatitis. Pancreatology 2017; 17:884-892. [PMID: 29102149 DOI: 10.1016/j.pan.2017.10.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2017] [Revised: 10/01/2017] [Accepted: 10/06/2017] [Indexed: 02/05/2023]
Abstract
BACKGROUND Clinical and experimental acute pancreatitis feature histone release within the pancreas from innate immune cells and acinar cell necrosis. In this study, we aimed to detail the source of circulating histones and assess their role in the pathogenesis of acute pancreatitis. METHODS Circulating nucleosomes were measured in patient plasma, taken within 24 and 48 h of onset of acute pancreatitis and correlated with clinical outcomes. Using caerulein hyperstimulation, circulating histones were measured in portal, systemic venous and systemic arterial circulation in mice, and the effects of systemic administration of histones in this model were assessed. The sites of actions of circulating histones were assessed by administration of FITC-labelled histones. The effects of histones on isolated pancreatic acinar cells were further assessed by measuring acinar cell death and calcium permeability in vitro. RESULTS Cell-free histones were confirmed to be abundant in human acute pancreatitis and found to derive from pancreatitis-associated liver injury in a rodent model of the disease. Fluorescein isothianate-labelled histones administered systemically targeted the pancreas and exacerbated injury in experimental acute pancreatitis. Histones induce charge- and concentration-dependent plasmalemma leakage and necrosis in isolated pancreatic acinar cells, independent of extracellular calcium. CONCLUSION We conclude that histones released systemically in acute pancreatitis concentrate within the inflamed pancreas and exacerbate injury. Circulating histones may provide meaningful biomarkers and targets for therapy in clinical acute pancreatitis.
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Affiliation(s)
- Peter Szatmary
- NIHR Liverpool Pancreas Biomedical Research Unit, Royal Liverpool University Hospital, University of Liverpool, Liverpool, L69 3GA, UK; Department of Cellular and Molecular Physiology, University of Liverpool, Liverpool, L69 3BX, UK
| | - Tingting Liu
- NIHR Liverpool Pancreas Biomedical Research Unit, Royal Liverpool University Hospital, University of Liverpool, Liverpool, L69 3GA, UK; Institute of Infection and Global Health, University of Liverpool, Liverpool, L69 7BE, UK; Department of Integrated Traditional Chinese and Western Medicine, Sichuan Provincial Pancreatitis Centre, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Simon T Abrams
- Institute of Infection and Global Health, University of Liverpool, Liverpool, L69 7BE, UK
| | - Svetlana Voronina
- Department of Cellular and Molecular Physiology, University of Liverpool, Liverpool, L69 3BX, UK
| | - Li Wen
- NIHR Liverpool Pancreas Biomedical Research Unit, Royal Liverpool University Hospital, University of Liverpool, Liverpool, L69 3GA, UK
| | - Michael Chvanov
- Department of Cellular and Molecular Physiology, University of Liverpool, Liverpool, L69 3BX, UK
| | - Wei Huang
- NIHR Liverpool Pancreas Biomedical Research Unit, Royal Liverpool University Hospital, University of Liverpool, Liverpool, L69 3GA, UK; Department of Integrated Traditional Chinese and Western Medicine, Sichuan Provincial Pancreatitis Centre, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Guozheng Wang
- Institute of Infection and Global Health, University of Liverpool, Liverpool, L69 7BE, UK
| | - David N Criddle
- Department of Cellular and Molecular Physiology, University of Liverpool, Liverpool, L69 3BX, UK
| | - Alexey V Tepikin
- Department of Cellular and Molecular Physiology, University of Liverpool, Liverpool, L69 3BX, UK
| | - Cheng-Hock Toh
- Institute of Infection and Global Health, University of Liverpool, Liverpool, L69 7BE, UK; Roald Dahl Haemostasis and Thrombosis Centre, Royal Liverpool University Hospital, Liverpool, L7 8XP, UK.
| | - Robert Sutton
- NIHR Liverpool Pancreas Biomedical Research Unit, Royal Liverpool University Hospital, University of Liverpool, Liverpool, L69 3GA, UK
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Acosta-Andrade C, Artetxe I, Lete MG, Monasterio BG, Ruiz-Mirazo K, Goñi FM, Sánchez-Jiménez F. Polyamine-RNA-membrane interactions: From the past to the future in biology. Colloids Surf B Biointerfaces 2017; 155:173-181. [PMID: 28456048 DOI: 10.1016/j.colsurfb.2017.04.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 03/12/2017] [Accepted: 04/04/2017] [Indexed: 01/06/2023]
Abstract
Biogenic polyamines (PAs), spermine, spermidine and putrescine are widely spread amino acid derivatives, present in living cells throughout the whole evolutionary scale. Their amino groups confer them a marked basic character at the cellular pH. We have tested the interaction of PAs with negatively-charged phospholipids in the absence and presence of nucleic acids (tRNA was mainly used for practical reasons). PAs induced aggregation of lipid vesicles containing acidic phospholipids. Aggregation was detected using both spectroscopic and fluorescence microscopy methods (the latter with giant unilamellar vesicles). PA-liposome complexes were partially disaggregated when nucleic acids were added to the mixture, indicating a competition between lipids and nucleic acids for PAs in a multiple equilibrium phenomenon. Equivalent observations could be made when vesicles composed of oleic acid and 1-decanol (1:1mol ratio) were used instead of phospholipid liposomes. The data could evoke putative primitive processes of proto-biotic evolution. At the other end of the time scale, this system may be at the basis of an interesting tool in the development of nanoscale drug delivery.
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Affiliation(s)
- Carlos Acosta-Andrade
- Department of Molecular Biology and Biochemistry, University of Malaga, and Unit 741 of CIBER de Enfermedades Raras, Málaga, Spain
| | - Ibai Artetxe
- Biofisika Institute (CSIC, UPV/EHU), and Department of Biochemistry, University of the Basque Country, 48940 Leioa, Spain
| | - Marta G Lete
- Biofisika Institute (CSIC, UPV/EHU), and Department of Biochemistry, University of the Basque Country, 48940 Leioa, Spain
| | - Bingen G Monasterio
- Biofisika Institute (CSIC, UPV/EHU), and Department of Biochemistry, University of the Basque Country, 48940 Leioa, Spain
| | - Kepa Ruiz-Mirazo
- Biofisika Institute (CSIC, UPV/EHU), and Department of Biochemistry, University of the Basque Country, 48940 Leioa, Spain; Department of Logic and Philosophy of Science, University of the Basque Country, Donostia, Spain
| | - Félix M Goñi
- Biofisika Institute (CSIC, UPV/EHU), and Department of Biochemistry, University of the Basque Country, 48940 Leioa, Spain
| | - Francisca Sánchez-Jiménez
- Department of Molecular Biology and Biochemistry, University of Malaga, and Unit 741 of CIBER de Enfermedades Raras, Málaga, Spain.
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Lete MG, Sot J, Gil D, Valle M, Medina M, Goñi FM, Alonso A. Histones cause aggregation and fusion of lipid vesicles containing phosphatidylinositol-4-phosphate. Biophys J 2015; 108:863-871. [PMID: 25692591 DOI: 10.1016/j.bpj.2014.12.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Revised: 12/07/2014] [Accepted: 12/09/2014] [Indexed: 12/13/2022] Open
Abstract
In a previous article, we demonstrated that histones (H1 or histone octamers) interact with negatively charged bilayers and induce extensive aggregation of vesicles containing phosphatidylinositol-4-phosphate (PIP) and, to a lesser extent, vesicles containing phosphatidylinositol (PI). Here, we found that vesicles containing PIP, but not those containing PI, can undergo fusion induced by histones. Fusion was demonstrated through the observation of intervesicular mixing of total lipids and inner monolayer lipids, and by ultrastructural and confocal microscopy studies. Moreover, in both PI- and PIP-containing vesicles, histones caused permeabilization and release of vesicular aqueous contents, but the leakage mechanism was different (all-or-none for PI and graded release for PIP vesicles). These results indicate that histones could play a role in the remodeling of the nuclear envelope that takes place during the mitotic cycle.
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Affiliation(s)
- Marta G Lete
- Unidad de Biofísica (CSIC, UPV/EHU), Universidad del País Vasco, Leioa, Spain; Departamento de Bioquímica, Universidad del País Vasco, Leioa, Spain
| | - Jesus Sot
- Unidad de Biofísica (CSIC, UPV/EHU), Universidad del País Vasco, Leioa, Spain; Departamento de Bioquímica, Universidad del País Vasco, Leioa, Spain
| | - David Gil
- Structural Biology Unit, Center for Cooperative Research in Biosciences, CIC bioGUNE, Derio, Spain
| | - Mikel Valle
- Structural Biology Unit, Center for Cooperative Research in Biosciences, CIC bioGUNE, Derio, Spain
| | - Milagros Medina
- Departamento de Bioquímica y Biología Molecular y Celular, Facultad de Ciencias, Universidad de Zaragoza, Zaragoza, Spain; Instituto de Biocomputación y Física de Sistemas Complejos, Unidad Asociada BIFI-IQFR, Universidad de Zaragoza, Zaragoza, Spain
| | - Felix M Goñi
- Unidad de Biofísica (CSIC, UPV/EHU), Universidad del País Vasco, Leioa, Spain; Departamento de Bioquímica, Universidad del País Vasco, Leioa, Spain
| | - Alicia Alonso
- Unidad de Biofísica (CSIC, UPV/EHU), Universidad del País Vasco, Leioa, Spain; Departamento de Bioquímica, Universidad del País Vasco, Leioa, Spain.
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