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Ziakova K, Kovalska M, Pilchova I, Dibdiakova K, Brodnanova M, Pokusa M, Kalenska D, Racay P. Involvement of Proteasomal and Endoplasmic Reticulum Stress in Neurodegeneration After Global Brain Ischemia. Mol Neurobiol 2023; 60:6316-6329. [PMID: 37452223 PMCID: PMC10533597 DOI: 10.1007/s12035-023-03479-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 07/03/2023] [Indexed: 07/18/2023]
Abstract
A brief period of transient global brain ischemia leads to selective ischemic neurodegeneration associated with death of hippocampal CA1 pyramidal neurons days after reperfusion. The mechanism of such selective and delayed neurodegeneration is still uncertain. Our work aimed to study the involvement of proteasomal and endoplasmic reticulum (ER) stress in ischemic neurodegeneration. We have performed laser scanning confocal microscopy analysis of brain slices from control and experimental animals that underwent global brain ischemia for 15 min and varying times of reperfusion. We have focused on ubiquitin, PUMA, a proapoptotic protein of the Bcl-2 family overexpressed in response to both proteasomal and ER stress, and p53, which controls expression of PUMA. We have also examined the expression of HRD1, an E3 ubiquitin ligase that was shown to be overexpressed after ER stress. We have also examined potential crosstalk between proteasomal and ER stress using cellular models of both proteasomal and ER stress. We demonstrate that global brain ischemia is associated with an appearance of distinct immunoreactivity of ubiquitin, PUMA and p53 in pyramidal neurons of the CA1 layer of the hippocampus 72 h after ischemic insults. Such changes correlate with a delay and selectivity of ischemic neurodegeneration. Immunoreactivity of HRD1 observed in all investigated regions of rat brain was transiently absent in both CA1 and CA3 pyramidal neurones 24 h after ischemia in the hippocampus, which does not correlate with a delay and selectivity of ischemic neurodegeneration. We do not document significant crosstalk between proteasomal and ER stress. Our results favour dysfunction of the ubiquitin proteasome system and consequent p53-induced expression of PUMA as the main mechanisms responsible for selective and delayed degeneration of pyramidal neurons of the hippocampal CA1 layer in response to global brain ischemia.
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Affiliation(s)
- Katarina Ziakova
- Biomedical Center, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Maria Kovalska
- Department of Histology and Embryology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Ivana Pilchova
- Biomedical Center, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Katarina Dibdiakova
- Department of Medical Biochemistry, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Mala Hora 4D, SK-03601, Martin, Slovak Republic
| | - Maria Brodnanova
- Biomedical Center, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Michal Pokusa
- Biomedical Center, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Dagmar Kalenska
- Department of Anatomy, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Peter Racay
- Department of Medical Biochemistry, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Mala Hora 4D, SK-03601, Martin, Slovak Republic.
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Verploegh ISC, Conidi A, Brouwer RWW, Balcioglu HE, Karras P, Makhzami S, Korporaal A, Marine JC, Lamfers M, Van IJcken WFJ, Leenstra S, Huylebroeck D. Comparative single-cell RNA-sequencing profiling of BMP4-treated primary glioma cultures reveals therapeutic markers. Neuro Oncol 2022; 24:2133-2145. [PMID: 35639831 PMCID: PMC9713526 DOI: 10.1093/neuonc/noac143] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Glioblastoma (GBM) is the most aggressive primary brain tumor. Its cellular composition is very heterogeneous, with cells exhibiting stem-cell characteristics (GSCs) that co-determine therapy resistance and tumor recurrence. Bone Morphogenetic Protein (BMP)-4 promotes astroglial and suppresses oligodendrocyte differentiation in GSCs, processes associated with superior patient prognosis. We characterized variability in cell viability of patient-derived GBM cultures in response to BMP4 and, based on single-cell transcriptome profiling, propose predictive positive and early-response markers for sensitivity to BMP4. METHODS Cell viability was assessed in 17 BMP4-treated patient-derived GBM cultures. In two cultures, one highly-sensitive to BMP4 (high therapeutic efficacy) and one with low-sensitivity, response to treatment with BMP4 was characterized. We applied single-cell RNA-sequencing, analyzed the relative abundance of cell clusters, searched for and identified the aforementioned two marker types, and validated these results in all 17 cultures. RESULTS High variation in cell viability was observed after treatment with BMP4. In three cultures with highest sensitivity for BMP4, a substantial new cell subpopulation formed. These cells displayed decreased cell proliferation and increased apoptosis. Neuronal differentiation was reduced most in cultures with little sensitivity for BMP4. OLIG1/2 levels were found predictive for high sensitivity to BMP4. Activation of ribosomal translation (RPL27A, RPS27) was up-regulated within one day in cultures that were very sensitive to BMP4. CONCLUSION The changes in composition of patient-derived GBM cultures obtained after treatment with BMP4 correlate with treatment efficacy. OLIG1/2 expression can predict this efficacy, and upregulation of RPL27A and RPS27 are useful early-response markers.
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Affiliation(s)
| | | | - Rutger W W Brouwer
- Department of Cell Biology, Erasmus University Medical Center, Rotterdam, The Netherlands
- Center for Biomics, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Hayri E Balcioglu
- Department of Medical Oncology, Erasmus Medical Center Cancer Institute, Rotterdam, The Netherlands
| | | | - Samira Makhzami
- Laboratory for Molecular Cancer Biology, Center for Cancer Biology, VIB, Leuven, Belgium
- Laboratory for Molecular Cancer Biology, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Anne Korporaal
- Department of Cell Biology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Jean-Christophe Marine
- Laboratory for Molecular Cancer Biology, Center for Cancer Biology, VIB, Leuven, Belgium
- Laboratory for Molecular Cancer Biology, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Martine Lamfers
- Department of Neurosurgery, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Wilfred F J Van IJcken
- Department of Cell Biology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Sieger Leenstra
- Department of Neurosurgery, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Danny Huylebroeck
- Corresponding Author: Danny Huylebroeck, Department of Cell Biology, Erasmus University Medical Center, Building Ee, room Ee-1040b, Wytemaweg 80, 3015 CN, Rotterdam, The Netherlands ()
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Liu Y, Eaton ED, Wills TE, McCann SK, Antonic A, Howells DW. Human Ischaemic Cascade Studies Using SH-SY5Y Cells: a Systematic Review and Meta-Analysis. Transl Stroke Res 2018; 9:564-574. [PMID: 29572690 PMCID: PMC6208743 DOI: 10.1007/s12975-018-0620-4] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 03/03/2018] [Accepted: 03/06/2018] [Indexed: 01/21/2023]
Abstract
Low translational yield for stroke may reflect the focus of discovery science on rodents rather than humans. Just how little is known about human neuronal ischaemic responses is confirmed by systematic review and meta-analysis revealing that data for the most commonly used SH-SY5Y human cells comprises only 84 papers. Oxygen-glucose deprivation, H2O2, hypoxia, glucose-deprivation and glutamate excitotoxicity yielded - 58, - 61, - 29, - 45 and - 49% injury, respectively, with a dose-response relationship found only for H2O2 injury (R2 = 29.29%, p < 0.002). Heterogeneity (I2 = 99.36%, df = 132, p < 0.0001) was largely attributable to the methods used to detect injury (R2 = 44.77%, p < 0.000) with cell death assays detecting greater injury than survival assays (- 71 vs - 47%, R2 = 28.64%, p < 0.000). Seventy-four percent of publications provided no description of differentiation status, but in the 26% that did, undifferentiated cells were susceptible to greater injury (R2 = 4.13%, p < 0.047). One hundred and sixty-nine interventions improved average survival by 34.67% (p < 0.0001). Eighty-eight comparisons using oxygen-glucose deprivation found both benefit and harm, but studies using glutamate and H2O2 injury reported only improvement. In studies using glucose deprivation, intervention generally worsened outcome. There was insufficient data to rank individual interventions, but of the studies reporting greatest improvement (> 90% effect size), 7/13 were of herbal medicine constituents (24.85% of the intervention dataset). We conclude that surprisingly little is known of the human neuronal response to ischaemic injury, and that the large impact of methodology on outcome indicates that further model validation is required. Lack of evidence for randomisation, blinding or power analysis suggests that the intervention data is at substantial risk of bias.
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Affiliation(s)
- Ye Liu
- The Florey Institute of Neuroscience and Mental Health, 30 Royal Parade, The University of Melbourne, Melbourne, VIC, 3052, Australia
| | - Emma D Eaton
- School of Medicine, Faculty of Health, University of Tasmania, Medical Sciences Precinct, 17 Liverpool Street, Hobart, TAS, 7000, Australia
| | - Taryn E Wills
- Melbourne Brain Centre, Florey Institute of Neuroscience and Mental Health, 245 Burgundy St, Heidelberg, VIC, 3084, Australia
| | - Sarah K McCann
- Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, EH16 4SB, UK
| | - Ana Antonic
- Department of Neuroscience, Monash University, Melbourne, VIC, 3004, Australia
| | - David W Howells
- School of Medicine, Faculty of Health, University of Tasmania, Medical Sciences Precinct, 17 Liverpool Street, Hobart, TAS, 7000, Australia.
- School of Medicine, Faculty of Health, University of Tasmania, Medical Sciences Precinct, 17 Liverpool Street, Hobart, TAS, 7000, Australia.
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Pilchova I, Klacanova K, Dibdiakova K, Saksonova S, Stefanikova A, Vidomanova E, Lichardusova L, Hatok J, Racay P. Proteasome Stress Triggers Death of SH-SY5Y and T98G Cells via Different Cellular Mechanisms. Neurochem Res 2017; 42:3170-3185. [PMID: 28725954 DOI: 10.1007/s11064-017-2355-0] [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: 01/20/2017] [Revised: 07/07/2017] [Accepted: 07/12/2017] [Indexed: 01/24/2023]
Abstract
Overload or dysfunction of ubiquitin-proteasome system (UPS) is implicated in mechanisms of neurodegeneration associated with neurodegenerative diseases, e.g. Parkinson and Alzheimer disease, and ischemia-reperfusion injury. The aim of this study was to investigate the possible association between viability of neuroblastoma SH-SY5Y and glioblastoma T98G cells treated with bortezomib, inhibitor of 26S proteasome, and accumulation of ubiquitin-conjugated proteins with respect to direct cytotoxicity of aggregates of ubiquitin-conjugated proteins. Bortezomib-induced death of SH-SY5Y cells was documented after 24 h of treatment while death of T98G cells was delayed up to 48 h. Already after 4 h of treatment of both SH-SY5Y and T98G cells with bortezomib, increased levels of both ubiquitin-conjugated proteins with molecular mass more than 150 kDa and Hsp70 were observed whereas Hsp90 was elevated in T98G cells and decreased in SH-SY5Y cells. With respect to the cell death mechanism, we have documented bortezomib-induced activation of caspase 3 in SH-SY5Y cells that was probably a result of increased expression of pro-apoptotic proteins, PUMA and Noxa. In T98G cells, bortezomib-induced expression of caspase 4, documented after 24 h of treatment, with further activation of caspase 3, observed after 48 h of treatment. The delay in activation of caspase 3 correlated well with the delay of death of T98G cells. Our results do not support the possibility about direct cytotoxicity of aggregates of ubiquitin-conjugated proteins. They are more consistent with a view that proteasome inhibition is associated with both transcription-dependent and -independent changes in expression of pro-apoptotic proteins and consequent cell death initiation associated with caspase 3 activation.
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Affiliation(s)
- Ivana Pilchova
- Biomedical Center Martin JFM CU and Department of Medical Biochemistry JFM CU, Jessenius Faculty of Medicine in Martin (JFM CU), Comenius University in Bratislava, Mala Hora 4D, 03601, Martin, Slovak Republic
| | - Katarina Klacanova
- Biomedical Center Martin JFM CU and Department of Medical Biochemistry JFM CU, Jessenius Faculty of Medicine in Martin (JFM CU), Comenius University in Bratislava, Mala Hora 4D, 03601, Martin, Slovak Republic
| | - Katarina Dibdiakova
- Biomedical Center Martin JFM CU and Department of Medical Biochemistry JFM CU, Jessenius Faculty of Medicine in Martin (JFM CU), Comenius University in Bratislava, Mala Hora 4D, 03601, Martin, Slovak Republic
| | - Simona Saksonova
- Biomedical Center Martin JFM CU and Department of Medical Biochemistry JFM CU, Jessenius Faculty of Medicine in Martin (JFM CU), Comenius University in Bratislava, Mala Hora 4D, 03601, Martin, Slovak Republic
| | - Andrea Stefanikova
- Biomedical Center Martin JFM CU and Department of Medical Biochemistry JFM CU, Jessenius Faculty of Medicine in Martin (JFM CU), Comenius University in Bratislava, Mala Hora 4D, 03601, Martin, Slovak Republic
| | - Eva Vidomanova
- Biomedical Center Martin JFM CU and Department of Medical Biochemistry JFM CU, Jessenius Faculty of Medicine in Martin (JFM CU), Comenius University in Bratislava, Mala Hora 4D, 03601, Martin, Slovak Republic
| | - Lucia Lichardusova
- Biomedical Center Martin JFM CU and Department of Medical Biochemistry JFM CU, Jessenius Faculty of Medicine in Martin (JFM CU), Comenius University in Bratislava, Mala Hora 4D, 03601, Martin, Slovak Republic
| | - Jozef Hatok
- Biomedical Center Martin JFM CU and Department of Medical Biochemistry JFM CU, Jessenius Faculty of Medicine in Martin (JFM CU), Comenius University in Bratislava, Mala Hora 4D, 03601, Martin, Slovak Republic
| | - Peter Racay
- Biomedical Center Martin JFM CU and Department of Medical Biochemistry JFM CU, Jessenius Faculty of Medicine in Martin (JFM CU), Comenius University in Bratislava, Mala Hora 4D, 03601, Martin, Slovak Republic.
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