1
|
Horvat S, Kos J, Pišlar A. Multifunctional roles of γ-enolase in the central nervous system: more than a neuronal marker. Cell Biosci 2024; 14:61. [PMID: 38735971 PMCID: PMC11089681 DOI: 10.1186/s13578-024-01240-6] [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: 11/26/2023] [Accepted: 04/27/2024] [Indexed: 05/14/2024] Open
Abstract
Enolase, a multifunctional protein with diverse isoforms, has generally been recognized for its primary roles in glycolysis and gluconeogenesis. The shift in isoform expression from α-enolase to neuron-specific γ-enolase extends beyond its enzymatic role. Enolase is essential for neuronal survival, differentiation, and the maturation of neurons and glial cells in the central nervous system. Neuron-specific γ-enolase is a critical biomarker for neurodegenerative pathologies and neurological conditions, not only indicating disease but also participating in nerve cell formation and neuroprotection and exhibiting neurotrophic-like properties. These properties are precisely regulated by cysteine peptidase cathepsin X and scaffold protein γ1-syntrophin. Our findings suggest that γ-enolase, specifically its C-terminal part, may offer neuroprotective benefits against neurotoxicity seen in Alzheimer's and Parkinson's disease. Furthermore, although the therapeutic potential of γ-enolase seems promising, the effectiveness of enolase inhibitors is under debate. This paper reviews the research on the roles of γ-enolase in the central nervous system, especially in pathophysiological events and the regulation of neurodegenerative diseases.
Collapse
Affiliation(s)
- Selena Horvat
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000, Ljubljana, Slovenia
| | - Janko Kos
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000, Ljubljana, Slovenia
- Department of Biotechnology, Jožef Stefan Institute, Jamova Cesta 39, 1000, Ljubljana, Slovenia
| | - Anja Pišlar
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, 1000, Ljubljana, Slovenia.
| |
Collapse
|
2
|
Whitney K, Song WM, Sharma A, Dangoor DK, Farrell K, Krassner MM, Ressler HW, Christie TD, Walker RH, Nirenberg MJ, Zhang B, Frucht SJ, Riboldi GM, Crary JF, Pereira AC. Single-cell transcriptomic and neuropathologic analysis reveals dysregulation of the integrated stress response in progressive supranuclear palsy. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.17.567587. [PMID: 38014079 PMCID: PMC10680842 DOI: 10.1101/2023.11.17.567587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Progressive supranuclear palsy (PSP) is a sporadic neurodegenerative tauopathy variably affecting brainstem and cortical structures and characterized by tau inclusions in neurons and glia. The precise mechanism whereby these protein aggregates lead to cell death remains unclear. To investigate the contribution of these different cellular abnormalities to PSP pathogenesis, we performed single-nucleus RNA sequencing and analyzed 45,559 high quality nuclei targeting the subthalamic nucleus and adjacent structures from human post-mortem PSP brains with varying degrees of pathology compared to controls. Cell-type specific differential expression and pathway analysis identified both common and discrete changes in numerous pathways previously implicated in PSP and other neurodegenerative disorders. This included EIF2 signaling, an adaptive pathway activated in response to diverse stressors, which was the top activated pathway in vulnerable cell types. Using immunohistochemistry, we found that activated eIF2α was positively correlated with tau pathology burden in vulnerable brain regions. Multiplex immunofluorescence localized activated eIF2α positivity to hyperphosphorylated tau (p-tau) positive neurons and ALDH1L1-positive astrocytes, supporting the increased transcriptomic EIF2 activation observed in these vulnerable cell types. In conclusion, these data provide insights into cell-type-specific pathological changes in PSP and support the hypothesis that failure of adaptive stress pathways play a mechanistic role in the pathogenesis and progression of PSP.
Collapse
|
3
|
Stoka V, Vasiljeva O, Nakanishi H, Turk V. The Role of Cysteine Protease Cathepsins B, H, C, and X/Z in Neurodegenerative Diseases and Cancer. Int J Mol Sci 2023; 24:15613. [PMID: 37958596 PMCID: PMC10650516 DOI: 10.3390/ijms242115613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 10/17/2023] [Accepted: 10/18/2023] [Indexed: 11/15/2023] Open
Abstract
Papain-like cysteine proteases are composed of 11 human cysteine cathepsins, originally located in the lysosomes. They exhibit broad specificity and act as endopeptidases and/or exopeptidases. Among them, only cathepsins B, H, C, and X/Z exhibit exopeptidase activity. Recently, cysteine cathepsins have been found to be present outside the lysosomes and often participate in various pathological processes. Hence, they have been considered key signalling molecules. Their potentially hazardous proteolytic activities are tightly regulated. This review aims to discuss recent advances in understanding the structural aspects of these four cathepsins, mechanisms of their zymogen activation, regulation of their activities, and functional aspects of these enzymes in neurodegeneration and cancer. Neurodegenerative effects have been evaluated, particularly in Alzheimer's disease, Parkinson's disease, Huntington's disease, amyotrophic lateral sclerosis, multiple sclerosis, and neuropsychiatric disorders. Cysteine cathepsins also participate in tumour progression and metastasis through the overexpression and secretion of proteases, which trigger extracellular matrix degradation. To our knowledge, this is the first review to provide an in-depth analysis regarding the roles of cysteine cathepsins B, H, C, and X in neurodegenerative diseases and cancer. Further advances in understanding the functions of cysteine cathepsins in these conditions will result in the development of novel, targeted therapeutic strategies.
Collapse
Affiliation(s)
- Veronika Stoka
- Department of Biochemistry and Molecular and Structural Biology, Jožef Stefan Institute, SI-1000 Ljubljana, Slovenia;
- Jožef Stefan International Postgraduate School, SI-1000 Ljubljana, Slovenia
| | - Olga Vasiljeva
- Department of Biochemistry and Molecular and Structural Biology, Jožef Stefan Institute, SI-1000 Ljubljana, Slovenia;
- CytomX Therapeutics, Inc., South San Francisco, CA 94080, USA
| | - Hiroshi Nakanishi
- Department of Pharmacology, Faculty of Pharmacy, Yasuda Women’s University, Hiroshima 731-0153, Japan;
| | - Vito Turk
- Department of Biochemistry and Molecular and Structural Biology, Jožef Stefan Institute, SI-1000 Ljubljana, Slovenia;
- Jožef Stefan International Postgraduate School, SI-1000 Ljubljana, Slovenia
| |
Collapse
|
4
|
Uras I, Karayel-Basar M, Sahin B, Baykal AT. Detection of early proteomic alterations in 5xFAD Alzheimer's disease neonatal mouse model via MALDI-MSI. Alzheimers Dement 2023; 19:4572-4589. [PMID: 36934297 DOI: 10.1002/alz.13008] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 01/18/2023] [Accepted: 01/19/2023] [Indexed: 03/20/2023]
Abstract
Alzheimer's disease (AD) is a debilitating neurodegenerative disorder, characterized by memory deficit and dementia. AD is considered a multifactorial disorder where multiple processes like amyloid-beta and tau accumulation, axonal degeneration, synaptic plasticity, and autophagic processes plays an important role. In this study, the spatial proteomic differences in the neonatal 5xFAD brain tissue were investigated using MALDI-MSI coupled to LC-MS/MS, and the statistically significantly altered proteins were associated with AD. Thirty-five differentially expressed proteins (DEPs) between the brain tissues of neonatal 5xFAD and their littermate mice were detected via MALDI-MSI technique. Among the 35 proteins identified, 26 of them were directly associated with AD. Our results indicated a remarkable resemblance in the protein expression profiles of neonatal 5xFAD brain when compared to AD patient specimens or AD mouse models. These findings showed that the molecular alterations in the AD brain existed even at birth and that some proteins are neurodegenerative presages in neonatal AD brain. HIGHLIGHTS: Spatial proteomic alterations in the 5xFAD mouse brain compared to the littermate. 26 out of 35 differentially expressed proteins associated with Alzheimer's disease (AD). Molecular alterations and neurodegenerative presages in neonatal AD brain. Alterations in the synaptic function an early and common neurobiological thread.
Collapse
Affiliation(s)
- Irep Uras
- Department of Biochemistry and Molecular Biology, Institute of Health Sciences, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey
| | - Merve Karayel-Basar
- Department of Biochemistry and Molecular Biology, Institute of Health Sciences, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey
| | - Betul Sahin
- Acibadem Labmed Clinical Laboratories, Istanbul, Turkey
| | - Ahmet Tarik Baykal
- Department of Medical Biochemistry, Faculty of Medicine, Acibadem Mehmet Ali Aydinlar University, Istanbul, Turkey
| |
Collapse
|
5
|
McCoy HM, Polcyn R, Banik NL, Haque A. Regulation of enolase activation to promote neural protection and regeneration in spinal cord injury. Neural Regen Res 2023; 18:1457-1462. [PMID: 36571342 PMCID: PMC10075133 DOI: 10.4103/1673-5374.361539] [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: 08/10/2022] [Revised: 10/10/2022] [Accepted: 10/26/2022] [Indexed: 11/19/2022] Open
Abstract
Spinal cord injury (SCI) is a debilitating condition characterized by damage to the spinal cord resulting in loss of function, mobility, and sensation with no U.S. Food and Drug Administration-approved cure. Enolase, a multifunctional glycolytic enzyme upregulated after SCI, promotes pro- and anti-inflammatory events and regulates functional recovery in SCI. Enolase is normally expressed in the cytosol, but the expression is upregulated at the cell surface following cellular injury, promoting glial cell activation and signal transduction pathway activation. SCI-induced microglia activation triggers pro-inflammatory mediators at the injury site, activating other immune cells and metabolic events, i.e., Rho-associated kinase, contributing to the neuroinflammation found in SCI. Enolase surface expression also activates cathepsin X, resulting in cleavage of the C-terminal end of neuron-specific enolase (NSE) and non-neuronal enolase (NNE). Fully functional enolase is necessary as NSE/NNE C-terminal proteins activate many neurotrophic processes, i.e., the plasminogen activation system, phosphatidylinositol-4,5-bisphosphate 3-kinase/protein kinase B, and mitogen-activated protein kinase/extracellular signal-regulated kinase. Studies here suggest an enolase inhibitor, ENOblock, attenuates the activation of Rho-associated kinase, which may decrease glial cell activation and promote functional recovery following SCI. Also, ENOblock inhibits cathepsin X, which may help prevent the cleavage of the neurotrophic C-terminal protein allowing full plasminogen activation and phosphatidylinositol-4,5-bisphosphate 3-kinase/mitogen-activated protein kinase activity. The combined NSE/cathepsin X inhibition may serve as a potential therapeutic strategy for preventing neuroinflammation/degeneration and promoting neural cell regeneration and recovery following SCI. The role of cell membrane-expressed enolase and associated metabolic events should be investigated to determine if the same strategies can be applied to other neurodegenerative diseases. Hence, this review discusses the importance of enolase activation and inhibition as a potential therapeutic target following SCI to promote neuronal survival and regeneration.
Collapse
Affiliation(s)
- Hannah M. McCoy
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA
| | - Rachel Polcyn
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA
| | - Naren L. Banik
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA
- Department of Neurosurgery, Medical University of South Carolina, Charleston, SC, USA
- Ralph H. Johnson Veterans Administration Medical Center, Charleston, SC, USA
| | - Azizul Haque
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA
- Department of Neurosurgery, Medical University of South Carolina, Charleston, SC, USA
- Ralph H. Johnson Veterans Administration Medical Center, Charleston, SC, USA
| |
Collapse
|
6
|
Anusha-Kiran Y, Mol P, Dey G, Bhat FA, Chatterjee O, Deolankar SC, Philip M, Prasad TSK, Srinivas Bharath MM, Mahadevan A. Regional heterogeneity in mitochondrial function underlies region specific vulnerability in human brain ageing: Implications for neurodegeneration. Free Radic Biol Med 2022; 193:34-57. [PMID: 36195160 DOI: 10.1016/j.freeradbiomed.2022.09.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 09/12/2022] [Accepted: 09/22/2022] [Indexed: 12/01/2022]
Abstract
Selective neuronal vulnerability (SNV) of specific neuroanatomical regions such as frontal cortex (FC) and hippocampus (HC) is characteristic of age-associated neurodegenerative diseases (NDDs), although its pathogenetic basis remains unresolved. We hypothesized that physiological differences in mitochondrial function in neuroanatomical regions could contribute to SNV. To investigate this, we evaluated mitochondrial function in human brains (age range:1-90 y) in FC, striatum (ST), HC, cerebellum (CB) and medulla oblongata (MD), using enzyme assays and quantitative proteomics. Striking differences were noted in resistant regions- MD and CB compared to the vulnerable regions- FC, HC and ST. At younger age (25 ± 5 y), higher activity of electron transport chain enzymes and upregulation of metabolic and antioxidant proteins were noted in MD compared to FC and HC, that was sustained with increasing age (≥65 y). In contrast, the expression of synaptic proteins was higher in FC, HC and ST (vs. MD). In line with this, quantitative phospho-proteomics revealed activation of upstream regulators (ERS, PPARα) of mitochondrial metabolism and inhibition of synaptic pathways in MD. Microtubule Associated Protein Tau (MAPT) showed overexpression in FC, HC and ST both in young and older age (vs. MD). MAPT hyperphosphorylation and the activation of its kinases were noted in FC and HC with age. Our study demonstrates that regional heterogeneity in mitochondrial and other cellular functions contribute to SNV and protect regions such as MD, while rendering FC and HC vulnerable to NDDs. The findings also support the "last in, first out" hypothesis of ageing, wherein regions such as FC, that are the most recent to develop phylogenetically and ontogenetically, are the first to be affected in ageing and NDDs.
Collapse
Affiliation(s)
- Yarlagadda Anusha-Kiran
- Department of Neuropathology, National Institute of Mental Health and Neurosciences (NIMHANS), No. 2900, Hosur Road, Bangalore, 560029, India; Department of Clinical Psychopharmacology and Neurotoxicology, NIMHANS, No. 2900, Hosur Road, Bangalore, 560029, India
| | - Praseeda Mol
- Institute of Bioinformatics, International Technology Park, White Field, Bangalore, 560066, India; Amrita School of Biotechnology, Amrita Vishwa Vidyapeetham, Kollam, 690525, India
| | - Gourav Dey
- Institute of Bioinformatics, International Technology Park, White Field, Bangalore, 560066, India
| | - Firdous Ahmad Bhat
- Institute of Bioinformatics, International Technology Park, White Field, Bangalore, 560066, India
| | - Oishi Chatterjee
- Institute of Bioinformatics, International Technology Park, White Field, Bangalore, 560066, India; Amrita School of Biotechnology, Amrita Vishwa Vidyapeetham, Kollam, 690525, India
| | - Sayali Chandrashekhar Deolankar
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, 575018, India
| | - Mariamma Philip
- Department of Biostatistics, NIMHANS, No. 2900, Hosur Road, Bangalore, 560029, India
| | - T S Keshava Prasad
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, 575018, India.
| | - M M Srinivas Bharath
- Department of Clinical Psychopharmacology and Neurotoxicology, NIMHANS, No. 2900, Hosur Road, Bangalore, 560029, India.
| | - Anita Mahadevan
- Department of Neuropathology, National Institute of Mental Health and Neurosciences (NIMHANS), No. 2900, Hosur Road, Bangalore, 560029, India.
| |
Collapse
|
7
|
Bao T, Feng L, Cho S, Yu H, Jin W, Dai L, Zhang J, Bai L, Fu M, Chen Y. RNA-Seq Reveals Protective Mechanisms of Mongolian Medicine Molor-Dabos-4 on Acute Indomethacin-Induced Gastric Ulcers in Rats. Genes (Basel) 2022; 13:genes13101740. [PMID: 36292625 PMCID: PMC9602025 DOI: 10.3390/genes13101740] [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: 08/15/2022] [Revised: 09/20/2022] [Accepted: 09/23/2022] [Indexed: 11/16/2022] Open
Abstract
This study aimed to apply transcriptomics to determine how Molor-Dabos-4 (MD-4) protects healthy rats against indomethacin (IND)-induced gastric ulcers and to identify the mechanism behind this protective effect. Rats were pretreated with MD-4 (0.3, 1.5, or 3 g/kg per day) for 21 days before inducing gastric ulcers by oral administration with indomethacin (30 mg/kg). Unulcerated and untreated healthy rats were used as controls. Effects of the treatment were assessed based on the ulcer index, histological and pathological examinations, and indicators of inflammation, which were determined by enzyme-linked immunosorbent assay. Transcriptomic analysis was performed for identifying potential pharmacological mechanisms. Eventually, after identifying potential target genes, the latter were validated by quantitative reverse-transcription polymerase chain reaction (qRT-PCR). After pretreatment with MD-4, gastric ulcers, along with other histopathological features, were reduced. MD-4 significantly (p < 0.05) increased the superoxide dismutase (SOD) levels in ulcers and reduced pepsin, TNF-α, and IL-6 levels. RNA-seq analysis identified a number of target genes on which MD-4 could potentially act. Many of these genes were involved in pathways that were linked to anti-inflammatory and antioxidant responses, and other protective mechanisms for the gastric mucosa. qRT-PCR showed that altered expression of the selected genes, such as Srm, Ryr-1, Eno3, Prkag3, and Eef1a2, was consistent with the transcriptome results. MD-4 exerts protective effects against IND-induced gastric ulcers by reducing inflammatory cytokines and pepsin and increasing the expression of SOD levels. Downregulation of Srm, Ryr-1, Eno3, Prkag3, and Eef1a2 genes involved in regulating arginine and proline metabolism, calcium signaling pathway, HIF-1 signaling pathway, oxytocin signaling pathway, and legionellosis are possibly involved in MD-4-mediated protection against gastric ulcers.
Collapse
Affiliation(s)
- Terigele Bao
- NMPA Key Laboratory of Quality Control of Traditional Chinese Medicine (Mongolian Medicine), School of Mongolian Medicine, Inner Mongolia Minzu University, Tongliao 028000, China
| | - Lan Feng
- NMPA Key Laboratory of Quality Control of Traditional Chinese Medicine (Mongolian Medicine), School of Mongolian Medicine, Inner Mongolia Minzu University, Tongliao 028000, China
| | - Sungbo Cho
- NMPA Key Laboratory of Quality Control of Traditional Chinese Medicine (Mongolian Medicine), School of Mongolian Medicine, Inner Mongolia Minzu University, Tongliao 028000, China
| | - Hongzhen Yu
- NMPA Key Laboratory of Quality Control of Traditional Chinese Medicine (Mongolian Medicine), School of Mongolian Medicine, Inner Mongolia Minzu University, Tongliao 028000, China
| | - Wenjie Jin
- NMPA Key Laboratory of Quality Control of Traditional Chinese Medicine (Mongolian Medicine), School of Mongolian Medicine, Inner Mongolia Minzu University, Tongliao 028000, China
| | - Lili Dai
- NMPA Key Laboratory of Quality Control of Traditional Chinese Medicine (Mongolian Medicine), School of Mongolian Medicine, Inner Mongolia Minzu University, Tongliao 028000, China
| | - Junqing Zhang
- Hainan Provincial Key Laboratory for Research and Development of Tropical Herbs, School of Pharmacy, Hainan Medical University, Haikou 571199, China
| | - Laxinamujila Bai
- NMPA Key Laboratory of Quality Control of Traditional Chinese Medicine (Mongolian Medicine), School of Mongolian Medicine, Inner Mongolia Minzu University, Tongliao 028000, China
| | - Minghai Fu
- NMPA Key Laboratory of Quality Control of Traditional Chinese Medicine (Mongolian Medicine), School of Mongolian Medicine, Inner Mongolia Minzu University, Tongliao 028000, China
- Hainan Provincial Key Laboratory for Research and Development of Tropical Herbs, School of Pharmacy, Hainan Medical University, Haikou 571199, China
- Correspondence: (M.F.); (Y.C.)
| | - Yongsheng Chen
- NMPA Key Laboratory of Quality Control of Traditional Chinese Medicine (Mongolian Medicine), School of Mongolian Medicine, Inner Mongolia Minzu University, Tongliao 028000, China
- Correspondence: (M.F.); (Y.C.)
| |
Collapse
|
8
|
Cognitive training program improves cognitive ability and daily living ability in elderly patients with mild cognitive impairment. Aging Clin Exp Res 2022; 34:997-1005. [PMID: 34767246 DOI: 10.1007/s40520-021-02015-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Accepted: 10/20/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND Mild cognitive impairment (MCI) is a clinical syndrome of mild memory or other cognitive impairment without dementia and is a clinical transition state between normal aging and dementia. Careful and meticulous nursing intervention can improve the clinical symptoms of MCI and delay the progression of the disease. AIMS This research aimed to evaluate the efficacy of cognitive function training interventions in elderly patients with MCI. METHODS 106 patients were randomized into the intervention group or the control group. They received conventional nursing intervention and those in the intervention group received additional cognitive training program for 6 weeks. The Mini-Mental State Examination (MMSE), Montreal Cognitive Assessment (MoCA), activities of daily living (ADL) scales, and Barthel index (BI) were evaluated before and 6 weeks after the intervention, as well as the serum levels of S100β and neuron-specific enolase (NSE) at two time points. RESULTS After intervention, the MMSE scores and MoCA scores in both groups were significantly increased and the score in the intervention group was significantly higher. In the intervention group, the performance of conventional nursing intervention and cognitive training program significantly increased the scores of ADL and BI (p < 0.001). The serum levels of NSE and S100β in the intervention group were significantly lower. DISCUSSION The performance of cognitive training program alleviated the brain tissue damage in elderly patients with MCI. CONCLUSIONS The performance of cognitive training program in elderly patients with MCI improved their cognitive ability and daily living ability.
Collapse
|
9
|
Majc B, Habič A, Novak M, Rotter A, Porčnik A, Mlakar J, Župunski V, Fonović UP, Knez D, Zidar N, Gobec S, Kos J, Turnšek TL, Pišlar A, Breznik B. Upregulation of Cathepsin X in Glioblastoma: Interplay with γ-Enolase and the Effects of Selective Cathepsin X Inhibitors. Int J Mol Sci 2022; 23:ijms23031784. [PMID: 35163706 PMCID: PMC8836869 DOI: 10.3390/ijms23031784] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 01/28/2022] [Accepted: 02/01/2022] [Indexed: 12/26/2022] Open
Abstract
Glioblastoma (GBM) is the most common and deadly primary brain tumor in adults. Understanding GBM pathobiology and discovering novel therapeutic targets are critical to finding efficient treatments. Upregulation of the lysosomal cysteine carboxypeptidase cathepsin X has been linked to immune dysfunction and neurodegenerative diseases, but its role in cancer and particularly in GBM progression in patients is unknown. In this study, cathepsin X expression and activity were found to be upregulated in human GBM tissues compared to low-grade gliomas and nontumor brain tissues. Cathepsin X was localized in GBM cells as well as in tumor-associated macrophages and microglia. Subsequently, potent irreversible (AMS36) and reversible (Z7) selective cathepsin X inhibitors were tested in vitro. Selective cathepsin X inhibitors decreased the viability of patient-derived GBM cells as well as macrophages and microglia that were cultured in conditioned media of GBM cells. We next examined the expression pattern of neuron-specific enzyme γ-enolase, which is the target of cathepsin X. We found that there was a correlation between high proteolytic activity of cathepsin X and C-terminal cleavage of γ-enolase and that cathepsin X and γ-enolase were colocalized in GBM tissues, preferentially in GBM-associated macrophages and microglia. Taken together, our results on patient-derived material suggest that cathepsin X is involved in GBM progression and is a potential target for therapeutic approaches against GBM.
Collapse
Affiliation(s)
- Bernarda Majc
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 111 Večna pot, 1000 Ljubljana, Slovenia; (B.M.); (A.H.); (M.N.); (A.R.); (T.L.T.)
- Jozef Stefan International Postgraduate School, 39 Jamova cesta, 1000 Ljubljana, Slovenia
| | - Anamarija Habič
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 111 Večna pot, 1000 Ljubljana, Slovenia; (B.M.); (A.H.); (M.N.); (A.R.); (T.L.T.)
- Jozef Stefan International Postgraduate School, 39 Jamova cesta, 1000 Ljubljana, Slovenia
| | - Metka Novak
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 111 Večna pot, 1000 Ljubljana, Slovenia; (B.M.); (A.H.); (M.N.); (A.R.); (T.L.T.)
| | - Ana Rotter
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 111 Večna pot, 1000 Ljubljana, Slovenia; (B.M.); (A.H.); (M.N.); (A.R.); (T.L.T.)
| | - Andrej Porčnik
- Department of Neurosurgery, University Medical Centre Ljubljana, 7 Zaloška cesta, 1000 Ljubljana, Slovenia;
| | - Jernej Mlakar
- Institute of Pathology, Faculty of Medicine, University of Ljubljana, 2 Korytkova ulica, 1000 Ljubljana Slovenia;
| | - Vera Župunski
- Chair of Biochemistry, Faculty of Chemistry and Chemical Technology, University of Ljubljana, 113 Večna pot, 1000 Ljubljana, Slovenia;
| | - Urša Pečar Fonović
- Faculty of Pharmacy, University of Ljubljana, 7 Aškerčeva cesta, 1000 Ljubljana, Slovenia; (U.P.F.); (D.K.); (N.Z.); (S.G.); (J.K.)
| | - Damijan Knez
- Faculty of Pharmacy, University of Ljubljana, 7 Aškerčeva cesta, 1000 Ljubljana, Slovenia; (U.P.F.); (D.K.); (N.Z.); (S.G.); (J.K.)
| | - Nace Zidar
- Faculty of Pharmacy, University of Ljubljana, 7 Aškerčeva cesta, 1000 Ljubljana, Slovenia; (U.P.F.); (D.K.); (N.Z.); (S.G.); (J.K.)
| | - Stanislav Gobec
- Faculty of Pharmacy, University of Ljubljana, 7 Aškerčeva cesta, 1000 Ljubljana, Slovenia; (U.P.F.); (D.K.); (N.Z.); (S.G.); (J.K.)
| | - Janko Kos
- Faculty of Pharmacy, University of Ljubljana, 7 Aškerčeva cesta, 1000 Ljubljana, Slovenia; (U.P.F.); (D.K.); (N.Z.); (S.G.); (J.K.)
| | - Tamara Lah Turnšek
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 111 Večna pot, 1000 Ljubljana, Slovenia; (B.M.); (A.H.); (M.N.); (A.R.); (T.L.T.)
- Chair of Biochemistry, Faculty of Chemistry and Chemical Technology, University of Ljubljana, 113 Večna pot, 1000 Ljubljana, Slovenia;
| | - Anja Pišlar
- Faculty of Pharmacy, University of Ljubljana, 7 Aškerčeva cesta, 1000 Ljubljana, Slovenia; (U.P.F.); (D.K.); (N.Z.); (S.G.); (J.K.)
- Correspondence: (B.B.); Tel.: +386-(0)59-232-870; (A.P.), Tel.: +386-(0)14-169-526
| | - Barbara Breznik
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 111 Večna pot, 1000 Ljubljana, Slovenia; (B.M.); (A.H.); (M.N.); (A.R.); (T.L.T.)
- Correspondence: (B.B.); Tel.: +386-(0)59-232-870; (A.P.), Tel.: +386-(0)14-169-526
| |
Collapse
|
10
|
Kos J, Mitrović A, Perišić Nanut M, Pišlar A. Lysosomal peptidases – Intriguing roles in cancer progression and neurodegeneration. FEBS Open Bio 2022; 12:708-738. [PMID: 35067006 PMCID: PMC8972049 DOI: 10.1002/2211-5463.13372] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 01/04/2022] [Accepted: 01/20/2022] [Indexed: 11/16/2022] Open
Abstract
Lysosomal peptidases are hydrolytic enzymes capable of digesting waste proteins that are targeted to lysosomes via endocytosis and autophagy. Besides intracellular protein catabolism, they play more specific roles in several other cellular processes and pathologies, either within lysosomes, upon secretion into the cell cytoplasm or extracellular space, or bound to the plasma membrane. In cancer, lysosomal peptidases are generally associated with disease progression, as they participate in crucial processes leading to changes in cell morphology, signaling, migration, and invasion, and finally metastasis. However, they can also enhance the mechanisms resulting in cancer regression, such as apoptosis of tumor cells or antitumor immune responses. Lysosomal peptidases have also been identified as hallmarks of aging and neurodegeneration, playing roles in oxidative stress, mitochondrial dysfunction, abnormal intercellular communication, dysregulated trafficking, and the deposition of protein aggregates in neuronal cells. Furthermore, deficiencies in lysosomal peptidases may result in other pathological states, such as lysosomal storage disease. The aim of this review was to highlight the role of lysosomal peptidases in particular pathological processes of cancer and neurodegeneration and to address the potential of lysosomal peptidases in diagnosing and treating patients.
Collapse
Affiliation(s)
- Janko Kos
- University of Ljubljana Faculty of Pharmacy Aškerčeva 7 1000 Ljubljana Slovenia
- Jožef Stefan Institute Department of Biotechnology Jamova 39 1000 Ljubljana Slovenia
| | - Ana Mitrović
- Jožef Stefan Institute Department of Biotechnology Jamova 39 1000 Ljubljana Slovenia
| | - Milica Perišić Nanut
- Jožef Stefan Institute Department of Biotechnology Jamova 39 1000 Ljubljana Slovenia
| | - Anja Pišlar
- University of Ljubljana Faculty of Pharmacy Aškerčeva 7 1000 Ljubljana Slovenia
| |
Collapse
|
11
|
Cysteine Peptidase Cathepsin X as a Therapeutic Target for Simultaneous TLR3/4-mediated Microglia Activation. Mol Neurobiol 2022; 59:2258-2276. [PMID: 35066760 PMCID: PMC9016010 DOI: 10.1007/s12035-021-02694-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 12/09/2021] [Indexed: 12/04/2022]
Abstract
Microglia are resident macrophages in the central nervous system that are involved in immune responses driven by Toll-like receptors (TLRs). Microglia-mediated inflammation can lead to central nervous system disorders, and more than one TLR might be involved in these pathological processes. The cysteine peptidase cathepsin X has been recognized as a pathogenic factor for inflammation-induced neurodegeneration. Here, we hypothesized that simultaneous TLR3 and TLR4 activation induces synergized microglia responses and that these phenotype changes affect cathepsin X expression and activity. Murine microglia BV2 cells and primary murine microglia were exposed to the TLR3 ligand polyinosinic-polycytidylic acid (poly(I:C)) and the TLR4 ligand lipopolysaccharide (LPS), individually and simultaneously. TLR3 and TLR4 co-activation resulted in increased inflammatory responses compared to individual TLR activation, where poly(I:C) and LPS induced distinct patterns of proinflammatory factors together with different patterns of cathepsin X expression and activity. TLR co-activation decreased intracellular cathepsin X activity and increased cathepsin X localization at the plasma membrane with concomitant increased extracellular cathepsin X protein levels and activity. Inhibition of cathepsin X in BV2 cells by AMS36, cathepsin X inhibitor, significantly reduced the poly(I:C)- and LPS-induced production of proinflammatory cytokines as well as apoptosis. Additionally, inhibiting the TLR3 and TLR4 common signaling pathway, PI3K, with LY294002 reduced the inflammatory responses of the poly(I:C)- and LPS-activated microglia and recovered cathepsin X activity. We here provide evidence that microglial cathepsin X strengthens microglia activation and leads to subsequent inflammation-induced neurodegeneration. As such, cathepsin X represents a therapeutic target for treating neurodegenerative diseases related to excess inflammation.
Collapse
|
12
|
New Insights into the Role of Cysteine Cathepsins in Neuroinflammation. Biomolecules 2021; 11:biom11121796. [PMID: 34944440 PMCID: PMC8698589 DOI: 10.3390/biom11121796] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 11/25/2021] [Accepted: 11/29/2021] [Indexed: 12/12/2022] Open
Abstract
Neuroinflammation, which is mediated by microglia and astrocytes, is associated with the progression of neurodegenerative diseases. Increasing evidence shows that activated microglia induce the expression and secretion of various lysosomal cathepsins, particularly during the early stage of neuroinflammation. This trigger signaling cascade that aggravate neurodegeneration. To date, most research on neuroinflammation has focused on the role of cysteine cathepsins, the largest cathepsin family. Cysteine cathepsins are primarily responsible for protein degradation in lysosomes; however, they also play a role in regulating a number of other important physiological and pathological processes. This review focuses on the functional roles of cysteine cathepsins in the central nervous system during neuroinflammation, with an emphasis on their roles in the polarization of microglia and neuroinflammation signaling, which in turn causes neuronal death and thus neurodegeneration.
Collapse
|
13
|
PARK DJ, KANG JB, KOH PO. Identification of regulated proteins by epigallocatechin gallate treatment in an ischemic cerebral cortex animal model: a proteomics approach. J Vet Med Sci 2021; 83:916-926. [PMID: 33883340 PMCID: PMC8267205 DOI: 10.1292/jvms.21-0089] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 04/07/2021] [Indexed: 11/22/2022] Open
Abstract
Ischemic stroke is a fatal disease that has long-term disability. It induces excessive oxidative stress generation and cellular metabolic disorders, result in tissue damage. Epigallocatechin gallate (EGCG) is a naturally derived flavonoid with strong antioxidant property. We previously reported the neuroprotective effect of EGCG in ischemic stroke. The defensive mechanisms of stroke are very diverse and complex. This study investigated specific proteins that are regulated by EGCG treatment in the ischemic brain damage. Middle cerebral artery occlusion (MCAO) was performed to induce focal cerebral ischemia. EGCG (50 mg/kg) or vehicle was intraperitoneally administered just prior to MCAO. MCAO induced severe neurological deficits and disorders. EGCG treatment alleviated these neurological disorder and damage. Cerebral cortex was used for this study. Two-dimensional gel electrophoresis and mass spectrometry were performed to detect the proteins altered by EGCG. We identified various proteins that were changed between vehicle- and EGCG-treated animals. Among these proteins, isocitrate dehydrogenase, dynamin-like protein 1, and γ-enolase were decreased in vehicle-treated animals, while EGCG treatment prevented these decreases. However, pyridoxal-5'-phosphate phosphatase and 60 kDa heat shock protein were increased in vehicle-treated animals with MCAO injury. EGCG treatment attenuated these increases. The changes in these proteins were confirmed by Western blot and reverse transcription-PCR analyses. These proteins were associated with cellular metabolism and neuronal regeneration. Thus, these findings can suggest that EGCG performs a defensive mechanism in ischemic damage by regulating specific proteins related to energy metabolism and neuronal protection.
Collapse
Affiliation(s)
- Dong-Ju PARK
- Department of Anatomy, College of Veterinary Medicine,
Research Institute of Life Science, Gyeongsang National University, 501 Jinjudaero, Jinju
52828, South Korea
| | - Ju-Bin KANG
- Department of Anatomy, College of Veterinary Medicine,
Research Institute of Life Science, Gyeongsang National University, 501 Jinjudaero, Jinju
52828, South Korea
| | - Phil-Ok KOH
- Department of Anatomy, College of Veterinary Medicine,
Research Institute of Life Science, Gyeongsang National University, 501 Jinjudaero, Jinju
52828, South Korea
| |
Collapse
|
14
|
Archibong VB, Ekanem T, Igiri A, Ofutet EO, Ifie JE. The effect of codeine administration on oxidative stress biomarkers and the expression of the neuron-specific enolase in the brain of Wistar rats. Naunyn Schmiedebergs Arch Pharmacol 2021; 394:1665-1673. [PMID: 33938954 DOI: 10.1007/s00210-021-02094-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 04/18/2021] [Indexed: 10/21/2022]
Abstract
The study aimed to assess the effects of codeine medication on some oxidative stress parameters and how it affects the expression of enolase in neuronal cells. The codeine medication used for the study was Archilin™ with codeine syrup and dihydrocodeine 30 mg. The study used 30 male Wistar rats which were grouped in five: A, B, C, D, and E (n = 6), while treatments were administered for 21 days. Based on the LD50s of 6.09 ml/kg body weight (b.wt.) Archilin™ with codeine syrup and 3.145 mg/kg b.wt. dihydrocodeine, group A served as control and were given normal saline; groups B and C were treated with 1 mg/kg and 2 mg/kg b.wt. dihydrocodeine, respectively; while groups D and E were treated with 2 ml/kg and 4 ml/kg b.wt. Archilin™ with codeine syrup, respectively. After treatments, animals were sacrificed via cervical dislocation and the brains were harvested and prepared for determination of oxidative stress biomarkers as well as immunohistochemical studies of neuron-specific enolase (NSE) to assess for neuronal cell integrity. Significantly decreased mean values (p < 0.05) of superoxide dismutase (SOD) and catalase (CAT) activities were observed while malondialdehyde (MDA) is significantly increased (p < 0.05) among treated groups. The expression of enolase was downregulated in treatment groups when compared to control. Animals in group A which are control showed strong staining intensity of the prefrontal cortex compared to groups C, D, and E which showed mild staining. The scoring of group A for cerebellum showed strong staining intensity, groups B and C showed mild staining, while groups D and E showed weak staining intensity. From the findings of this study, prolonged codeine syrup administration causes oxidative stress and this affects the expression of enolase in neuronal cells resulting in glucose hypometabolism which eventually results in functional brain failure.
Collapse
Affiliation(s)
- Victor Bassey Archibong
- Department of Human Anatomy, Faculty of Biomedical Sciences, Kampala International University, Western Campus, Ishaka, Uganda
| | - Theresa Ekanem
- Department of Anatomy, Faculty of Basic Medical Sciences, University of Calabar, Calabar, Nigeria
| | - Anozeng Igiri
- Department of Anatomy, Faculty of Basic Medical Sciences, University of Calabar, Calabar, Nigeria
| | - Emmanuel Oleba Ofutet
- Department of Physiology, College of Medical Sciences, University of Calabar, Cross River State, Calabar, Nigeria
| | - Josiah Eseoghene Ifie
- Department of Biochemistry, Faculty of Biomedical Sciences, Kampala International University, Western Campus, Ishaka, Uganda.
| |
Collapse
|
15
|
Pišlar A, Tratnjek L, Glavan G, Zidar N, Živin M, Kos J. Neuroinflammation-Induced Upregulation of Glial Cathepsin X Expression and Activity in vivo. Front Mol Neurosci 2020; 13:575453. [PMID: 33328882 PMCID: PMC7714997 DOI: 10.3389/fnmol.2020.575453] [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: 06/23/2020] [Accepted: 10/28/2020] [Indexed: 01/12/2023] Open
Abstract
Neuroinflammation is an important factor in the pathogenesis of neurodegenerative diseases. Microglia-derived lysosomal cathepsins have been increasingly recognized as important inflammatory mediators that trigger signaling pathways that aggravate neuroinflammation. In vitro, a contribution to neuroinflammation processes has been shown for cathepsin X: however, the expression patterns and functional role of cathepsin X in neuroinflammatory brain pathology remain elusive. In this study we analyzed the expression, activity, regional distribution and cellular localization of cathepsin X in the rat brain with neuroinflammation-induced neurodegeneration. The unilateral injection of lipopolysaccharide (LPS) induced a strong upregulation of cathepsin X expression and its activity in the ipsilateral striatum. In addition to the striatum, cathepsin X overexpression was detected in other brain areas such as the cerebral cortex, corpus callosum, subventricular zone and external globus pallidus, whereas the upregulation was mainly restricted to activated microglia and reactive astrocytes. Continuous administration of the cathepsin X inhibitor AMS36 indicated protective effects against LPS-induced striatal degeneration, as seen by the attenuated LPS-mediated dilation of the lateral ventricles and partial decreased extent of striatal lesion. Taken together, our results indicate that cathepsin X plays a role as a pathogenic factor in neuroinflammation-induced neurodegeneration and represents a potential therapeutic target for neurodegenerative diseases associated with neuroinflammation.
Collapse
Affiliation(s)
- Anja Pišlar
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
| | - Larisa Tratnjek
- Institute of Pathophysiology, Medical Faculty, University of Ljubljana, Ljubljana, Slovenia.,Institute of Cell Biology, Medical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Gordana Glavan
- Department of Biology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Nace Zidar
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
| | - Marko Živin
- Institute of Pathophysiology, Medical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Janko Kos
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia.,Department of Biotechnology, Jožef Stefan Institute, Ljubljana, Slovenia
| |
Collapse
|
16
|
Yilmaz S. Serum NO, S100B, NSE concentrations in migraine and their relationship. J Clin Neurosci 2020; 82:32-35. [PMID: 33317735 DOI: 10.1016/j.jocn.2020.10.046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 09/30/2020] [Accepted: 10/18/2020] [Indexed: 12/21/2022]
Abstract
INTRODUCTION Migraine pathogenesis still remains uncertain. Studies have found contradictory results regarding NO, S100B and NSE parameters in migraine patients. Therefore, in our study, we aimed to measure NO, S100B and NSE concentrations in migraine patients, compare them with the control group and find the relationship between these parameters. MATERIALS AND METHODS Fifty-two patients (35 women and 17 men) diagnosed with migraine according to the International Headache Classification II criteria were included in the study. 30 healthy participants without any history of disease were included in the control group. Serum NO, S100B and NSE levels were determined in all participants. RESULTS It was found that NO, S100B parameters increased compared to the control group, and NSE parameter decreased compared to the control group in the migraine patients participating in this study (p = 0,004, p = 0,002, p = 0,000) It was found that there was a moderate positive linear correlation between serum S100B and NSE in the migraine patients in our study (r = 442, p = 0.011). CONCLUSION In our study, the fact that there was a statistically significant difference in the NO, S100b and NSE parameters of migraine and control group patients indicates that these molecules can be effective in the pathogenesisof migraine. The moderate positive linear correlation found between serum S100B and NSE in migraine patients in our study demonstrates that these molecules together can be effective in the pathogenesis.
Collapse
Affiliation(s)
- Sedat Yilmaz
- Department of Medical Biochemistry, Medicine Faculty of Adiyaman University, Adiyaman, Turkey.
| |
Collapse
|
17
|
Multifunctional neuron-specific enolase: its role in lung diseases. Biosci Rep 2020; 39:220911. [PMID: 31642468 PMCID: PMC6859115 DOI: 10.1042/bsr20192732] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 10/22/2019] [Accepted: 10/22/2019] [Indexed: 12/13/2022] Open
Abstract
Neuron-specific enolase (NSE), also known as gamma (γ) enolase or enolase-2 (Eno2), is a form of glycolytic enolase isozyme and is considered a multifunctional protein. NSE is mainly expressed in the cytoplasm of neurons and neuroendocrine cells, especially in those of the amine precursor uptake and decarboxylation (APUD) lineage such as pituitary, thyroid, pancreas, intestine and lung. In addition to its well-established glycolysis function in the cytoplasm, changes in cell localization and differential expression of NSE are also associated with several pathologies such as infection, inflammation, autoimmune diseases and cancer. This article mainly discusses the role and diagnostic potential of NSE in some lung diseases.
Collapse
|
18
|
Polcyn R, Capone M, Matzelle D, Hossain A, Chandran R, Banik NL, Haque A. Enolase inhibition alters metabolic hormones and inflammatory factors to promote neuroprotection in spinal cord injury. Neurochem Int 2020; 139:104788. [PMID: 32650031 DOI: 10.1016/j.neuint.2020.104788] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 06/10/2020] [Accepted: 06/20/2020] [Indexed: 12/17/2022]
Abstract
Enolase inhibition is a potential therapeutic strategy currently being investigated for treatment of spinal cord injury (SCI) as it reduces pro-inflammatory cytokines and chemokines, alters metabolic factors, and reduces gliosis in acute SCI. Herein, the role of enolase in SCI has been examined to better understand the effects of this enzyme on inflammation, metabolic hormones, glial cell activation, and neuroprotection under these shorter injury conditions. Immunohistochemical analyses of inflammatory markers vimentin, Cox-2, and caspase-1 indicated that enolase inhibition attenuated the elevated levels of inflammation seen following SCI. Iba1, GFAP, NFP, and CSPG staining indicated that enolase inhibition with prolonged administration of ENOblock reduced microglia/astrocyte activation and lead to enhanced neuroprotection in SCI. An analysis of metabolic hormones revealed that ENOblock treatment significantly upregulated plasma concentrations of peptide YY, glucagon-like peptide 1, glucose-dependent insulinotropic peptide, glucagon, and insulin hormones as compared to vehicle-treated controls (Mann-Whitney, p ≤ 0.05). ENOblock did not have a significant effect on plasma concentrations of pancreatic polypeptide. Interestingly, ENOblock treatment inhibited chondroitin sulfate proteoglycan (CSPG), which is produced by activated glia and serves to block regrowth of axons across the lesion site following injury. An increased level of NeuN and MBP with reduced caspase-1 was detected in SCI tissues after ENOblock treatment, suggesting preservation of myelin and induction of neuroprotection. ENOblock also induced improved motor function in SCI rats, indicating a role for enolase in modulating inflammatory and metabolic factors in SCI with important implications for clinical consideration.
Collapse
Affiliation(s)
- Rachel Polcyn
- Department of Microbiology and Immunology, Medical University of South Carolina, 173 Ashley Avenue, Charleston, SC 29425, USA
| | - Mollie Capone
- Department of Microbiology and Immunology, Medical University of South Carolina, 173 Ashley Avenue, Charleston, SC 29425, USA; Department of Neurosurgery, Medical University of South Carolina, 96 Jonathan Lucas Street Charleston, SC 29425, USA
| | - Denise Matzelle
- Department of Neurosurgery, Medical University of South Carolina, 96 Jonathan Lucas Street Charleston, SC 29425, USA; Ralph H. Johnson Veterans Administration Medical Center, 109 Bee St, Charleston, SC 29401, USA
| | - Azim Hossain
- Department of Microbiology and Immunology, Medical University of South Carolina, 173 Ashley Avenue, Charleston, SC 29425, USA
| | - Raghavendar Chandran
- Department of Neurosurgery, Medical University of South Carolina, 96 Jonathan Lucas Street Charleston, SC 29425, USA
| | - Naren L Banik
- Department of Microbiology and Immunology, Medical University of South Carolina, 173 Ashley Avenue, Charleston, SC 29425, USA; Department of Neurosurgery, Medical University of South Carolina, 96 Jonathan Lucas Street Charleston, SC 29425, USA; Ralph H. Johnson Veterans Administration Medical Center, 109 Bee St, Charleston, SC 29401, USA
| | - Azizul Haque
- Department of Microbiology and Immunology, Medical University of South Carolina, 173 Ashley Avenue, Charleston, SC 29425, USA.
| |
Collapse
|
19
|
Nakanishi H. Cathepsin regulation on microglial function. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2020; 1868:140465. [PMID: 32526473 DOI: 10.1016/j.bbapap.2020.140465] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 05/25/2020] [Accepted: 05/28/2020] [Indexed: 12/15/2022]
Abstract
Microglia, the resident mononuclear phagocyte population in the brain, have long been implicated in the pathology of neurodegenerative age-associated disorders. However, activated microglia have now been identified as homeostatic keepers in the brain, because they are involved in the initiation and resolution of neuropathology. The complex roles of activated microglia appear to be linked to change from inflammatory and neurotoxic to anti-inflammatory and neuroprotective phenotypes. Increased expression and secretion of various cathepsins support roles of activated microglia in chronic neuroinflammation, the neurotoxic M1-like polarization and neuronal death. Moreover, changes in expression and localization of microglial cathepsin B play a critical role in the acceleration of the brain aging. Beyond the role as brain-resident macrophages, many lines of evidence have shown that microglia have essential roles in the maturation and maintenance of neuronal circuits in the developing and adult brain. Cathepsin S secreted from microglia induces the diurnal variation of spine density of cortical neurons though proteolytic modification of peri-synaptic extracellular matrix molecules. In this review, I highlight the emerging roles of cathepsins that support the roles of microglia in both normal healthy and pathological brains. In addition, I discuss cathepsin inhibitors as potential therapeutic targets for brain disorders.
Collapse
Affiliation(s)
- Hiroshi Nakanishi
- Department of Pharmacology, Faculty of Pharmacy, Yasuda Women's University, Hiroshima 731-0153, Japan.
| |
Collapse
|
20
|
Fonović UP, Knez D, Hrast M, Zidar N, Proj M, Gobec S, Kos J. Structure-activity relationships of triazole-benzodioxine inhibitors of cathepsin X. Eur J Med Chem 2020; 193:112218. [PMID: 32208223 DOI: 10.1016/j.ejmech.2020.112218] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 02/23/2020] [Accepted: 03/07/2020] [Indexed: 12/24/2022]
Abstract
Cathepsin X is a cysteine carboxypeptidase that is involved in various physiological and pathological processes. In particular, highly elevated expression and activity of cathepsin X has been observed in cancers and neurodegenerative diseases. Previously, we identified compound Z9 (1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-((4-isopropyl-4H-1,2,4-triazol-3-yl)thio)ethan-1-one) as a potent and specific reversible cathepsin X inhibitor. Here, we have explored the effects of chemical variations to Z9 of either benzodioxine or triazol moieties, and the importance of the central ketomethylenethio linker. The ketomethylenethio linker was crucial for cathepsin X inhibition, whereas changes of the triazole heterocycle did not alter the inhibitory potencies to a greater extent. Replacement of benzodioxine moiety with substituted benzenes reduced cathepsin X inhibition. Overall, several synthesized compounds showed similar or improved inhibitory potencies against cathepsin X compared to Z9, with IC50 values of 7.1 μM-13.6 μM. Additionally, 25 inhibited prostate cancer cell migration by 21%, which is under the control of cathepsin X.
Collapse
Affiliation(s)
- Urša Pečar Fonović
- University of Ljubljana, Faculty of Pharmacy, Aškerčeva 7, 1000, Ljubljana, Slovenia.
| | - Damijan Knez
- University of Ljubljana, Faculty of Pharmacy, Aškerčeva 7, 1000, Ljubljana, Slovenia
| | - Martina Hrast
- University of Ljubljana, Faculty of Pharmacy, Aškerčeva 7, 1000, Ljubljana, Slovenia
| | - Nace Zidar
- University of Ljubljana, Faculty of Pharmacy, Aškerčeva 7, 1000, Ljubljana, Slovenia
| | - Matic Proj
- University of Ljubljana, Faculty of Pharmacy, Aškerčeva 7, 1000, Ljubljana, Slovenia
| | - Stanislav Gobec
- University of Ljubljana, Faculty of Pharmacy, Aškerčeva 7, 1000, Ljubljana, Slovenia
| | - Janko Kos
- University of Ljubljana, Faculty of Pharmacy, Aškerčeva 7, 1000, Ljubljana, Slovenia; Department of Biotechnology, Jožef Stefan Institute, Jamova 39, 1000, Ljubljana, Slovenia
| |
Collapse
|
21
|
Filova B, Reichova A, Zatkova M, Srancikova A, Bukatova S, Bacova Z, Bakos J. Expression of synaptic proteins in the hippocampus is modulated by neonatal oxytocin treatment. Neurosci Lett 2020; 725:134912. [DOI: 10.1016/j.neulet.2020.134912] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 02/24/2020] [Accepted: 03/12/2020] [Indexed: 01/10/2023]
|
22
|
Mountford SJ, Anderson BM, Xu B, Tay ESV, Szabo M, Hoang ML, Diao J, Aurelio L, Campden RI, Lindström E, Sloan EK, Yates RM, Bunnett NW, Thompson PE, Edgington-Mitchell LE. Application of a Sulfoxonium Ylide Electrophile to Generate Cathepsin X-Selective Activity-Based Probes. ACS Chem Biol 2020; 15:718-727. [PMID: 32022538 DOI: 10.1021/acschembio.9b00961] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Cathepsin X/Z/P is cysteine cathepsin with unique carboxypeptidase activity. Its expression is associated with cancer and neurodegenerative diseases, although its roles during normal physiology are still poorly understood. Advances in our understanding of its function have been hindered by a lack of available tools that can specifically measure the proteolytic activity of cathepsin X. We present a series of activity-based probes that incorporate a sulfoxonium ylide warhead, which exhibit improved specificity for cathepsin X compared to previously reported probes. We apply these probes to detect cathepsin X activity in cell and tissue lysates, in live cells and in vivo, and to localize active cathepsin X in mouse tissues by microscopy. Finally, we utilize an improved method to generate chloromethylketones, necessary intermediates for synthesis of acyloxymethylketones probes, by way of sulfoxonium ylide intermediates. In conclusion, the probes presented in this study will be valuable for investigating cathepsin X pathophysiology.
Collapse
Affiliation(s)
- Simon J. Mountford
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
| | - Bethany M. Anderson
- Department of Biochemistry and Molecular Biology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria 3052, Australia
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
| | - Bangyan Xu
- Department of Biochemistry and Molecular Biology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria 3052, Australia
| | - Elean S. V. Tay
- Department of Biochemistry and Molecular Biology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria 3052, Australia
| | - Monika Szabo
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
| | - My-Linh Hoang
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
| | - Jiayin Diao
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
| | - Luigi Aurelio
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
| | - Rhiannon I. Campden
- Snyder Institute for Chronic Disease and Department of Biochemistry and Molecular Biology, University of Calgary, Calgary, Alberta T2N 1N4, Canada
| | | | - Erica K. Sloan
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
| | - Robin M. Yates
- Snyder Institute for Chronic Disease and Department of Biochemistry and Molecular Biology, University of Calgary, Calgary, Alberta T2N 1N4, Canada
| | - Nigel W. Bunnett
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
- Department of Craniofacial Biology, New York University College of Dentistry, New York, New York 10010, United States
- Department of Pharmacology and Experimental Therapeutics, The University of Melbourne, Parkville, Victoria 3052, Australia
| | - Philip E. Thompson
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
| | - Laura E. Edgington-Mitchell
- Department of Biochemistry and Molecular Biology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria 3052, Australia
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
- Department of Oral and Maxillofacial Surgery, Bluestone Center for Clinical Research, New York University College of Dentistry, New York, New York 10010, United States
| |
Collapse
|
23
|
Herzberg D, Strobel P, Müller H, Meneses C, Werner M, Bustamante H. Proteomic profiling of proteins in the dorsal horn of the spinal cord in dairy cows with chronic lameness. PLoS One 2020; 15:e0228134. [PMID: 31990932 PMCID: PMC6986711 DOI: 10.1371/journal.pone.0228134] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Accepted: 01/08/2020] [Indexed: 01/03/2023] Open
Abstract
Chronic lameness affects bovine welfare and has a negative economic impact in dairy industry. Moreover, due to the translational gap between traditional pain models and new drugs development for treating chronic pain states, naturally occurring painful diseases could be a potential translational tool for chronic pain research. We therefore employed liquid chromatography tandem mass spectrometry (LC-MS/MS) to stablish the proteomic profile of the spinal cord samples from lumbar segments (L2-L4) of chronic lame dairy cows. Data were validated and quantified through software tool (Scaffold® v 4.0) using output data from two search engines (SEQUEST® and X-Tandem®). Search Tool for the Retrieval of Interacting Genes/Proteins (STRING) analysis was performed to detect proteins interactions. LC-MS/MS identified a total amount of 177 proteins; of which 129 proteins were able to be quantified. Lame cows showed a strong upregulation of interacting proteins with chaperone and stress functions such as Hsp70 (p < 0.006), Hsc70 (p < 0.0079), Hsp90 (p < 0.015), STIP (p > 0.0018) and Grp78 (p <0.0068), and interacting proteins associated to glycolytic pathway such as; γ-enolase (p < 0.0095), α-enolase (p < 0.013) and hexokinase-1 (p < 0.028). It was not possible to establish a clear network of interaction in several upregulated proteins in lame cows. Non-interacting proteins were mainly associated to redox process and cytoskeletal organization. The most relevant down regulated protein in lame cows was myelin basic protein (MBP) (p < 0.02). Chronic inflammatory lameness in cows is associated to increased expression of stress proteins with chaperone, metabolism, redox and structural functions. A state of endoplasmic reticulum stress and unfolded protein response (UPR) might explain the changes in protein expression in lame cows; however, further studies need to be performed in order to confirm these findings.
Collapse
Affiliation(s)
- Daniel Herzberg
- Veterinary Clinical Sciences Department, Faculty of Veterinary Science, Universidad Austral de Chile, Valdivia, Chile
- * E-mail: (HB); (DH)
| | - Pablo Strobel
- Animal Science Department, Faculty of Veterinary Science, Universidad Austral de Chile, Valdivia, Chile
| | - Heine Müller
- Veterinary Clinical Sciences Department, Faculty of Veterinary Science, Universidad Austral de Chile, Valdivia, Chile
| | - Constanza Meneses
- Comparative Biomedical Science Graduate Program, College of Veterinary Medicine, North Caroline State University, Raleigh, North Carolina, United States of America
| | - Marianne Werner
- Animal Science Department, Faculty of Veterinary Science, Universidad Austral de Chile, Valdivia, Chile
| | - Hedie Bustamante
- Veterinary Clinical Sciences Department, Faculty of Veterinary Science, Universidad Austral de Chile, Valdivia, Chile
- * E-mail: (HB); (DH)
| |
Collapse
|
24
|
Yu ZW, Liu R, Li X, Wang Y, Fu YH, Li HY, Yuan Y, Gao XY. High Serum Neuron-Specific Enolase Level Is Associated with Mild Cognitive Impairment in Patients with Diabetic Retinopathy. Diabetes Metab Syndr Obes 2020; 13:1359-1365. [PMID: 32425568 PMCID: PMC7188072 DOI: 10.2147/dmso.s249126] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Accepted: 04/14/2020] [Indexed: 12/12/2022] Open
Abstract
PURPOSE Diabetic retinopathy (DR) can increase the risk of mild cognitive impairment (MCI), which has been confirmed by previous researches. With the frequent occurrence of MCI in patients with DR, the early detection of MCI has become a research hot-spot. The aim of this study was to investigate the relationship between neuron-specific enolase (NSE) and MCI in patients with DR. PATIENTS AND METHODS A total of 124 patients with DR, including 56 MCI patients and 68 normal cognition patients, were recruited in this cross-sectional study. The demographic and clinical data of patients were collected through questionnaires. Serum NSE was measured using electrochemiluminescence immunoassay. The Minimum Mental State Examination (MMSE) scale was used to evaluate the cognitive function of the participants. RESULTS Compared with the normal cognition group, serum NSE levels and HbA1c levels in the MCI group were higher, while MMSE scores and educational level were lower (P<0.05). Serum NSE levels were significantly negatively correlated with MMSE total score, attention and calculation score, and language score (P<0.05). After adjusting for confounding factors, serum NSE still increased the MCI risk in DR patients (OR:1.606, 95CI%:1.264-2.041, P<0.001). The areas under the receiver operating characteristics (ROC) curves (AUC) of the crude model and the adjusted model were 0.75 and 0.73, respectively. CONCLUSION A high serum NSE level is an independent risk factor for MCI in DR patients. In addition, serum NSE is expected to be a potential biomarker in DR patients with MCI.
Collapse
Affiliation(s)
- Zi-Wei Yu
- Department of Endocrinology, The First Clinical Hospital of Harbin Medical University, Harbin150001, People’s Republic of China
| | - Rong Liu
- Department of Endocrinology, The First Clinical Hospital of Harbin Medical University, Harbin150001, People’s Republic of China
| | - Xin Li
- Department of Endocrinology, The First Clinical Hospital of Harbin Medical University, Harbin150001, People’s Republic of China
| | - Ying Wang
- Department of Endocrinology, The First Clinical Hospital of Harbin Medical University, Harbin150001, People’s Republic of China
| | - Yu-Hong Fu
- Department of Endocrinology, The First Clinical Hospital of Harbin Medical University, Harbin150001, People’s Republic of China
| | - Hui-Yao Li
- Department of Endocrinology, The First Clinical Hospital of Harbin Medical University, Harbin150001, People’s Republic of China
| | - Yue Yuan
- Department of Endocrinology, The First Clinical Hospital of Harbin Medical University, Harbin150001, People’s Republic of China
| | - Xin-Yuan Gao
- Department of Endocrinology, The First Clinical Hospital of Harbin Medical University, Harbin150001, People’s Republic of China
- Correspondence: Xin-Yuan Gao Tel +86 13904517001 Email
| |
Collapse
|
25
|
Liu Q, Zhang Y, Liu S, Liu Y, Yang X, Liu G, Shimizu T, Ikenaka K, Fan K, Ma J. Cathepsin C promotes microglia M1 polarization and aggravates neuroinflammation via activation of Ca 2+-dependent PKC/p38MAPK/NF-κB pathway. J Neuroinflammation 2019; 16:10. [PMID: 30651105 PMCID: PMC6335804 DOI: 10.1186/s12974-019-1398-3] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Accepted: 01/03/2019] [Indexed: 01/17/2023] Open
Abstract
Background Microglia-derived lysosomal cathepsins are important inflammatory mediators to trigger signaling pathways in inflammation-related cascades. Our previous study showed that the expression of cathepsin C (CatC) in the brain is induced predominantly in activated microglia in neuroinflammation. Moreover, CatC can induce chemokine production in brain inflammatory processes. In vitro studies further confirmed that CatC is secreted extracellularly from LPS-treated microglia. However, the mechanisms of CatC affecting neuroinflammatory responses are not known yet. Methods CatC over-expression (CatCOE) and knock-down (CatCKD) mice were treated with intraperitoneal and intracerebroventricular LPS injection. Morris water maze (MWM) test was used to assess the ability of learning and memory. Cytokine expression in vivo was detected by in situ hybridization, quantitative PCR, and ELISA. In vitro, microglia M1 polarization was determined by quantitative PCR. Intracellular Ca2+ concentration was determined by flow cytometry, and the expression of NR2B, PKC, p38, IkBα, and p65 was determined by western blotting. Results The LPS-treated CatCOE mice exhibited significantly increased escape latency compared with similarly treated wild-type or CatCKD mice. The highest levels of TNF-α, IL-1β, and other M1 markers (IL-6, CD86, CD16, and CD32) were found in the brain or serum of LPS-treated CatCOE mice, and the lowest levels were detected in CatCKD mice. Similar results were found in LPS-treated microglia derived from CatC differentially expressing mice or in CatC-treated microglia from wild-type mice. Furthermore, the expression of NR2B mRNA, phosphorylation of NR2B, Ca2+ concentration, phosphorylation of PKC, p38, IκBα, and p65 were all increased in CatC-treated microglia, while addition of E-64 and MK-801 reversed the phosphorylation of above molecules. Conclusion The data suggest that CatC promotes microglia M1 polarization and aggravates neuroinflammation via activation of Ca2+-dependent PKC/p38MAPK/NF-κB pathway. CatC may be one of key molecular targets for alleviating and controlling neuroinflammation in neurological diseases.
Collapse
Affiliation(s)
- Qing Liu
- Department of Anatomy, Dalian Medical University, West Section No.9, South Road, Lvshun, Dalian, 116044, Liaoning, China
| | - Yanli Zhang
- Department of Anatomy, Dalian Medical University, West Section No.9, South Road, Lvshun, Dalian, 116044, Liaoning, China
| | - Shuang Liu
- Department of Anatomy, Dalian Medical University, West Section No.9, South Road, Lvshun, Dalian, 116044, Liaoning, China
| | - Yanna Liu
- Department of Anatomy, Dalian Medical University, West Section No.9, South Road, Lvshun, Dalian, 116044, Liaoning, China
| | - Xiaohan Yang
- Liaoning Provincial Key Laboratory of Brain Diseases, Dalian Medical University, Dalian, 116044, Liaoning, China
| | - Gang Liu
- Basic Medicine College, Dalian Medical University, Dalian, 116044, Liaoning, China
| | - Takahiro Shimizu
- Wolfson Institute for Biomedical Research, University College London, London, UK
| | - Kazuhiro Ikenaka
- Division of Neurobiology and Bioinformatics, National Institute for Physiological Sciences, Okazaki, Aichi, 444-8787, Japan
| | - Kai Fan
- Department of Anatomy, Dalian Medical University, West Section No.9, South Road, Lvshun, Dalian, 116044, Liaoning, China.
| | - Jianmei Ma
- Department of Anatomy, Dalian Medical University, West Section No.9, South Road, Lvshun, Dalian, 116044, Liaoning, China. .,The National and Local Joint Engineering Research Center for Drug Development of Neurodegenerative Disease, Dalian Medical University, Dalian, 116044, Liaoning, China.
| |
Collapse
|
26
|
Mao XW, Sandberg LB, Gridley DS, Herrmann EC, Zhang G, Raghavan R, Zubarev RA, Zhang B, Stodieck LS, Ferguson VL, Bateman TA, Pecaut MJ. Proteomic Analysis of Mouse Brain Subjected to Spaceflight. Int J Mol Sci 2018; 20:ijms20010007. [PMID: 30577490 PMCID: PMC6337482 DOI: 10.3390/ijms20010007] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Revised: 12/11/2018] [Accepted: 12/17/2018] [Indexed: 01/01/2023] Open
Abstract
There is evidence that spaceflight poses acute and late risks to the central nervous system. To explore possible mechanisms, the proteomic changes following spaceflight in mouse brain were characterized. Space Shuttle Atlantis (STS-135) was launched from the Kennedy Space Center (KSC) on a 13-day mission. Within 3–5 h after landing, brain tissue was collected to evaluate protein expression profiles using quantitative proteomic analysis. Our results showed that there were 26 proteins that were significantly altered after spaceflight in the gray and/or white matter. While there was no overlap between the white and gray matter in terms of individual proteins, there was overlap in terms of function, synaptic plasticity, vesical activity, protein/organelle transport, and metabolism. Our data demonstrate that exposure to the spaceflight environment induces significant changes in protein expression related to neuronal structure and metabolic function. This might lead to a significant impact on brain structural and functional integrity that could affect the outcome of space missions.
Collapse
Affiliation(s)
- Xiao Wen Mao
- Department of Basic Sciences, Division of Biomedical Engineering Sciences, Loma Linda University School of Medicine, Loma Linda, CA 92354, USA.
| | - Lawrence B Sandberg
- Department of Biochemistry, Loma Linda University School of Medicine, Loma Linda, CA 92350, USA.
| | - Daila S Gridley
- Department of Basic Sciences, Division of Biomedical Engineering Sciences, Loma Linda University School of Medicine, Loma Linda, CA 92354, USA.
| | - E Clifford Herrmann
- Department of Biochemistry, Loma Linda University School of Medicine, Loma Linda, CA 92350, USA.
| | - Guangyu Zhang
- Department of Biochemistry, Loma Linda University School of Medicine, Loma Linda, CA 92350, USA.
| | - Ravi Raghavan
- Department of Pathology and Human Anatomy, Loma Linda University School of Medicine, Loma Linda, CA 92350, USA.
| | - Roman A Zubarev
- Department of Medical Biochemistry and Biophysics, Biomedicum, Karolinska Institutet, SE 17177 Stockholm, Sweden.
- Department of Pharmacological and Technological Chemistry, I.M. Sechenov First Moscow State Medical University, Moscow 119991, Russia.
| | - Bo Zhang
- Department of Medical Biochemistry and Biophysics, Biomedicum, Karolinska Institutet, SE 17177 Stockholm, Sweden.
- Department of Pharmacological and Technological Chemistry, I.M. Sechenov First Moscow State Medical University, Moscow 119991, Russia.
| | - Louis S Stodieck
- BioServe Space Technologies, University of Colorado at Boulder, Boulder, CO 80303, USA.
| | - Virginia L Ferguson
- BioServe Space Technologies, University of Colorado at Boulder, Boulder, CO 80303, USA.
| | - Ted A Bateman
- Department of Bioengineering, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
| | - Michael J Pecaut
- Department of Basic Sciences, Division of Biomedical Engineering Sciences, Loma Linda University School of Medicine, Loma Linda, CA 92354, USA.
| |
Collapse
|
27
|
Oyinbo C, Robert F, Avwioro O, Igbigbi P. Jobelyn suppresses hippocampal neuronal apoptosis and necrosis in experimental alcohol-induced brain stress. PATHOPHYSIOLOGY 2018; 25:317-325. [DOI: 10.1016/j.pathophys.2018.05.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Revised: 05/03/2018] [Accepted: 05/08/2018] [Indexed: 01/16/2023] Open
|
28
|
Thygesen C, Ilkjær L, Kempf SJ, Hemdrup AL, von Linstow CU, Babcock AA, Darvesh S, Larsen MR, Finsen B. Diverse Protein Profiles in CNS Myeloid Cells and CNS Tissue From Lipopolysaccharide- and Vehicle-Injected APP SWE/PS1 ΔE9 Transgenic Mice Implicate Cathepsin Z in Alzheimer's Disease. Front Cell Neurosci 2018; 12:397. [PMID: 30459560 PMCID: PMC6232379 DOI: 10.3389/fncel.2018.00397] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 10/15/2018] [Indexed: 12/20/2022] Open
Abstract
Neuroinflammation, characterized by chronic activation of the myeloid-derived microglia, is a hallmark of Alzheimer’s disease (AD). Systemic inflammation, typically resulting from infection, has been linked to the progression of AD due to exacerbation of the chronic microglial reaction. However, the mechanism and the consequences of this exacerbation are largely unknown. Here, we mimicked systemic inflammation in AD with weekly intraperitoneal (i.p.) injections of APPSWE/PS1ΔE9 transgenic mice with E. coli lipopolysaccharide (LPS) from 9 to 12 months of age, corresponding to the period with the steepest increase in amyloid pathology. We found that the repeated LPS injections ameliorated amyloid pathology in the neocortex while increasing the neuroinflammatory reaction. To elucidate mechanisms, we analyzed the proteome of the hippocampus from the same mice as well as in unique samples of CNS myeloid cells. The repeated LPS injections stimulated protein pathways of the complement system, retinoid receptor activation and oxidative stress. CNS myeloid cells from transgenic mice showed enrichment in pathways of amyloid-beta clearance and elevated levels of the lysosomal protease cathepsin Z, as well as amyloid precursor protein, apolipoprotein E and clusterin. These proteins were found elevated in the proteome of both LPS and vehicle injected transgenics, and co-localized to CD11b+ microglia in transgenic mice and in primary murine microglia. Additionally, cathepsin Z, amyloid precursor protein, and apolipoprotein E appeared associated with amyloid plaques in neocortex of AD cases. Interestingly, cathepsin Z was expressed in microglial-like cells and co-localized to CD68+ microglial lysosomes in AD cases, and it was expressed in perivascular cells in AD and control cases. Taken together, our results implicate systemic LPS administration in ameliorating amyloid pathology in early-to-mid stage disease in the APPSWE/PS1ΔE9 mouse and attract attention to the potential disease involvement of cathepsin Z expressed in CNS myeloid cells in AD.
Collapse
Affiliation(s)
- Camilla Thygesen
- Department of Neurobiology, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark.,Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark.,Brain Research - Inter-Disciplinary Guided Excellence, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Laura Ilkjær
- Department of Neurobiology, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Stefan J Kempf
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark
| | - Anne Louise Hemdrup
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark
| | | | - Alicia A Babcock
- Department of Neurobiology, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Sultan Darvesh
- Department of Medicine (Neurology and Geriatric Medicine) - Department of Medical Neuroscience, Dalhousie University, Halifax, NS, Canada.,Department of Chemistry and Physics, Mount Saint Vincent University, Halifax, NS, Canada
| | - Martin R Larsen
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark
| | - Bente Finsen
- Department of Neurobiology, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark.,Brain Research - Inter-Disciplinary Guided Excellence, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| |
Collapse
|
29
|
Pišlar A, Tratnjek L, Glavan G, Živin M, Kos J. Upregulation of Cysteine Protease Cathepsin X in the 6-Hydroxydopamine Model of Parkinson's Disease. Front Mol Neurosci 2018; 11:412. [PMID: 30450037 PMCID: PMC6225071 DOI: 10.3389/fnmol.2018.00412] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Accepted: 10/24/2018] [Indexed: 12/11/2022] Open
Abstract
Parkinson’s disease (PD) is a neurodegenerative disorder characterized by loss of midbrain dopaminergic neurons in the substantia nigra pars compacta (SNc). In vitro, a contribution to neuroinflammation and neurotoxicity has been shown for the lysosomal protease cathepsin X; however, its expression and its role in PD remain unknown. Therefore, the current study was designed to address the regional, cellular, and subcellular localization and activity of cathepsin X in hemi-parkinsonian rats with 6-hydroxydopamine (6-OHDA)-induced excitotoxicity in the unilateral medial forebrain bundle (MFB) lesion. We report for the first time that cathepsin X expression and activity are rapidly increased in the ipsilateral SNc after injection of 6-OHDA into the MFB reaching a maximum after 12 h but seem to stay strongly upregulated after 4 weeks after injection. At early time points of 6-OHDA injection into the MFB, the increased cathepsin X is localized in the lysosomes in the neuronal, predominantly tyrosine hydroxylase-positive dopaminergic cells. After 12 h of 6-OHDA induced lesion, only a few activated microglial cells are positive for cathepsin X whereas, in 4 weeks post-lesion accompanied with complete loss of dopaminergic neurons, there is persistent cathepsin X upregulation restricted to activated glia cells. Taken together, our results demonstrate that cathepsin X upregulation in the lesioned dopaminergic system may play a role as a pathogenic factor in PD. Moreover, inhibition of cathepsin X expression or activity may be useful in protecting the nigrostriatal dopaminergic projection in the PD.
Collapse
Affiliation(s)
- Anja Pišlar
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
| | - Larisa Tratnjek
- Institute of Pathophysiology, Medical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Gordana Glavan
- Department of Biology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Marko Živin
- Institute of Pathophysiology, Medical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Janko Kos
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia.,Department of Biotechnology, Jožef Stefan Institute, Ljubljana, Slovenia
| |
Collapse
|
30
|
Zhang F, Wei J, Li X, Ma C, Gao Y. Early Candidate Urine Biomarkers for Detecting Alzheimer’s Disease Before Amyloid-β Plaque Deposition in an APP (swe)/PSEN1dE9 Transgenic Mouse Model. J Alzheimers Dis 2018; 66:613-637. [DOI: 10.3233/jad-180412] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Fanshuang Zhang
- Department of Pathophysiology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China
- Department of Pathology, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jing Wei
- Department of Biochemistry and Molecular Biology, Beijing Normal University, Gene Engineering Drug and Biotechnology Beijing Key Laboratory, Beijing, China
| | - Xundou Li
- Department of Pathophysiology, Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China
| | - Chao Ma
- Department of Human Anatomy, Histology and Embryology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, Neuroscience Center; Joint Laboratory of Anesthesia and Pain, School of Basic Medicine, Peking Union Medical College, Beijing, China
| | - Youhe Gao
- Department of Biochemistry and Molecular Biology, Beijing Normal University, Gene Engineering Drug and Biotechnology Beijing Key Laboratory, Beijing, China
| |
Collapse
|
31
|
Aiba Y, Harada K, Ito M, Suematsu T, Aishima S, Hitomi Y, Nishida N, Kawashima M, Takatsuki M, Eguchi S, Shimoda S, Nakamura H, Komori A, Abiru S, Nagaoka S, Migita K, Yatsuhashi H, Tokunaga K, Nakamura M. Increased expression and altered localization of cathepsin Z are associated with progression to jaundice stage in primary biliary cholangitis. Sci Rep 2018; 8:11808. [PMID: 30087368 PMCID: PMC6081405 DOI: 10.1038/s41598-018-30146-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 07/24/2018] [Indexed: 12/13/2022] Open
Abstract
Our recent genome-wide association study found that the NELFCD/CTSZ locus was significantly associated with progression of primary biliary cholangitis (PBC) to jaundice stage in the Japanese population. In this study, we investigated the role of cathepsin Z in the etiology and pathology of PBC. Serum cathepsin Z levels were measured using enzyme-linked immunosorbent assay. The expression and localization of cathepsin Z in liver specimens were analyzed by western blotting and immunohistochemistry. In PBC patients, serum cathepsin Z levels were significantly increased with disease progression. In addition, its levels were positively correlated with alanine transaminase, aspartate transaminase and total bilirubin, and were negatively correlated with platelet count and albumin. Cathepsin Z expression was markedly increased in hepatocytes at later stages of PBC, and its localization was altered from the peri-bile canaliculus to the cytoplasm, where a fraction was no longer colocalized with endosomal/lysosomal vesicles. Similar altered expression of cathepsin Z was observed in end-stage of other cholestatic liver diseases including sepsis, obstructive jaundice, and Alagille syndrome. Our results indicate that altered expression and localization of cathepsin Z in hepatocytes are characteristic features of PBC and other cholestatic liver diseases, and are implicated in the progression of PBC.
Collapse
Affiliation(s)
- Yoshihiro Aiba
- Clinical Research Center, National Hospital Organization Nagasaki Medical Center, Omura, Japan
| | - Kenichi Harada
- Department of Human Pathology, Kanazawa University Graduate School of Medicine, Kanazawa, Japan
| | - Masahiro Ito
- Clinical Research Center, National Hospital Organization Nagasaki Medical Center, Omura, Japan.,Department of Hepatology, Nagasaki University Graduate School of Biomedical Sciences, Omura, Nagasaki, Japan
| | - Takashi Suematsu
- Central Electron Microscope Laboratory, Nagasaki University School of Medicine, Nagasaki, Nagasaki, Japan
| | - Shinichi Aishima
- Departments of Pathology & Microbiology, Faculty of Medicine, Saga University, Saga, Japan
| | - Yuki Hitomi
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Nao Nishida
- The Research Center for Hepatitis and Immunology, National Center for Global Health and Medicine, Ichikawa, Chiba, Japan
| | | | - Mitsuhisa Takatsuki
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Susumu Eguchi
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Shinji Shimoda
- Department of Medicine and Biosystemic Science Graduate School of Medical Sciences, Kyushu University, Fukuoka, Fukuoka, Japan
| | - Hitomi Nakamura
- Clinical Research Center, National Hospital Organization Nagasaki Medical Center, Omura, Japan
| | - Atsumasa Komori
- Clinical Research Center, National Hospital Organization Nagasaki Medical Center, Omura, Japan.,Department of Hepatology, Nagasaki University Graduate School of Biomedical Sciences, Omura, Nagasaki, Japan
| | - Seigo Abiru
- Clinical Research Center, National Hospital Organization Nagasaki Medical Center, Omura, Japan
| | - Shinya Nagaoka
- Clinical Research Center, National Hospital Organization Nagasaki Medical Center, Omura, Japan
| | - Kiyoshi Migita
- Clinical Research Center, National Hospital Organization Nagasaki Medical Center, Omura, Japan.,Department of Hepatology, Nagasaki University Graduate School of Biomedical Sciences, Omura, Nagasaki, Japan
| | - Hiroshi Yatsuhashi
- Clinical Research Center, National Hospital Organization Nagasaki Medical Center, Omura, Japan.,Department of Hepatology, Nagasaki University Graduate School of Biomedical Sciences, Omura, Nagasaki, Japan
| | - Katsushi Tokunaga
- Department of Human Genetics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Minoru Nakamura
- Clinical Research Center, National Hospital Organization Nagasaki Medical Center, Omura, Japan. .,Department of Hepatology, Nagasaki University Graduate School of Biomedical Sciences, Omura, Nagasaki, Japan. .,Headquarters of PBC Research in the National Hospital Organization Study Group for Liver Disease in Japan (NHOSLJ), Omura, Japan.
| |
Collapse
|
32
|
Izrael M, Slutsky SG, Admoni T, Cohen L, Granit A, Hasson A, Itskovitz-Eldor J, Krush Paker L, Kuperstein G, Lavon N, Yehezkel Ionescu S, Solmesky LJ, Zaguri R, Zhuravlev A, Volman E, Chebath J, Revel M. Safety and efficacy of human embryonic stem cell-derived astrocytes following intrathecal transplantation in SOD1 G93A and NSG animal models. Stem Cell Res Ther 2018; 9:152. [PMID: 29871694 PMCID: PMC5989413 DOI: 10.1186/s13287-018-0890-5] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 04/30/2018] [Accepted: 05/01/2018] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Amyotrophic lateral sclerosis (ALS) is a motor neuron (MN) disease characterized by the loss of MNs in the central nervous system. As MNs die, patients progressively lose their ability to control voluntary movements, become paralyzed and eventually die from respiratory/deglutition failure. Despite the selective MN death in ALS, there is growing evidence that malfunctional astrocytes play a crucial role in disease progression. Thus, transplantation of healthy astrocytes may compensate for the diseased astrocytes. METHODS We developed a good manufacturing practice-grade protocol for generation of astrocytes from human embryonic stem cells (hESCs). The first stage of our protocol is derivation of astrocyte progenitor cells (APCs) from hESCs. These APCs can be expanded in large quantities and stored frozen as cell banks. Further differentiation of the APCs yields an enriched population of astrocytes with more than 90% GFAP expression (hES-AS). hES-AS were injected intrathecally into hSOD1G93A transgenic mice and rats to evaluate their therapeutic potential. The safety and biodistribution of hES-AS were evaluated in a 9-month study conducted in immunodeficient NSG mice under good laboratory practice conditions. RESULTS In vitro, hES-AS possess the activities of functional healthy astrocytes, including glutamate uptake, promotion of axon outgrowth and protection of MNs from oxidative stress. A secretome analysis shows that these hES-AS also secrete several inhibitors of metalloproteases as well as a variety of neuroprotective factors (e.g. TIMP-1, TIMP-2, OPN, MIF and Midkine). Intrathecal injections of the hES-AS into transgenic hSOD1G93A mice and rats significantly delayed disease onset and improved motor performance compared to sham-injected animals. A safety study in immunodeficient mice showed that intrathecal transplantation of hES-AS is safe. Transplanted hES-AS attached to the meninges along the neuroaxis and survived for the entire duration of the study without formation of tumors or teratomas. Cell-injected mice gained similar body weight to the sham-injected group and did not exhibit clinical signs that could be related to the treatment. No differences from the vehicle control were observed in hematological parameters or blood chemistry. CONCLUSION Our findings demonstrate the safety and potential therapeutic benefits of intrathecal injection of hES-AS for the treatment of ALS.
Collapse
Affiliation(s)
- Michal Izrael
- Neurodegenerative Diseases Department at Kadimastem Ltd, Pinchas Sapir 7, Weizmann Science Park, Nes-Ziona, Israel
| | - Shalom Guy Slutsky
- Neurodegenerative Diseases Department at Kadimastem Ltd, Pinchas Sapir 7, Weizmann Science Park, Nes-Ziona, Israel
| | - Tamar Admoni
- Neurodegenerative Diseases Department at Kadimastem Ltd, Pinchas Sapir 7, Weizmann Science Park, Nes-Ziona, Israel
| | - Louisa Cohen
- Neurodegenerative Diseases Department at Kadimastem Ltd, Pinchas Sapir 7, Weizmann Science Park, Nes-Ziona, Israel
| | - Avital Granit
- Neurodegenerative Diseases Department at Kadimastem Ltd, Pinchas Sapir 7, Weizmann Science Park, Nes-Ziona, Israel
| | - Arik Hasson
- Neurodegenerative Diseases Department at Kadimastem Ltd, Pinchas Sapir 7, Weizmann Science Park, Nes-Ziona, Israel
| | - Joseph Itskovitz-Eldor
- Neurodegenerative Diseases Department at Kadimastem Ltd, Pinchas Sapir 7, Weizmann Science Park, Nes-Ziona, Israel
| | - Lena Krush Paker
- Neurodegenerative Diseases Department at Kadimastem Ltd, Pinchas Sapir 7, Weizmann Science Park, Nes-Ziona, Israel
| | - Graciela Kuperstein
- Neurodegenerative Diseases Department at Kadimastem Ltd, Pinchas Sapir 7, Weizmann Science Park, Nes-Ziona, Israel
| | - Neta Lavon
- Neurodegenerative Diseases Department at Kadimastem Ltd, Pinchas Sapir 7, Weizmann Science Park, Nes-Ziona, Israel
| | - Shiran Yehezkel Ionescu
- Neurodegenerative Diseases Department at Kadimastem Ltd, Pinchas Sapir 7, Weizmann Science Park, Nes-Ziona, Israel
| | - Leonardo Javier Solmesky
- Neurodegenerative Diseases Department at Kadimastem Ltd, Pinchas Sapir 7, Weizmann Science Park, Nes-Ziona, Israel
| | - Rachel Zaguri
- Neurodegenerative Diseases Department at Kadimastem Ltd, Pinchas Sapir 7, Weizmann Science Park, Nes-Ziona, Israel
| | - Alina Zhuravlev
- Neurodegenerative Diseases Department at Kadimastem Ltd, Pinchas Sapir 7, Weizmann Science Park, Nes-Ziona, Israel
| | - Ella Volman
- Neurodegenerative Diseases Department at Kadimastem Ltd, Pinchas Sapir 7, Weizmann Science Park, Nes-Ziona, Israel
| | - Judith Chebath
- Neurodegenerative Diseases Department at Kadimastem Ltd, Pinchas Sapir 7, Weizmann Science Park, Nes-Ziona, Israel
- Department of Molecular Genetics, Weizmann Institute of Science, 76100 Rehovot, Israel
| | - Michel Revel
- Neurodegenerative Diseases Department at Kadimastem Ltd, Pinchas Sapir 7, Weizmann Science Park, Nes-Ziona, Israel
- Department of Molecular Genetics, Weizmann Institute of Science, 76100 Rehovot, Israel
| |
Collapse
|
33
|
Polcyn R, God J, Capone M, Matzelle D, Banik NL, Haque A. A Missing Link between Neuron Specific Enolase Release and Poor Prognosis in Aging Patients with B-cell Lymphoma. JOURNAL OF CLINICAL & CELLULAR IMMUNOLOGY 2018; 9:e121. [PMID: 30464859 PMCID: PMC6242283 DOI: 10.4172/2155-9899.1000e121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Rachel Polcyn
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, USA
| | - Jason God
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, USA
| | - Mollie Capone
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, USA
| | - Denise Matzelle
- Department of Neurosurgery, Medical University of South Carolina, Charleston, USA
- Ralph H. Johnson Veterans Administration Medical Center, Charleston, SC, USA
| | - Naren L Banik
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, USA
- Department of Neurosurgery, Medical University of South Carolina, Charleston, USA
- Ralph H. Johnson Veterans Administration Medical Center, Charleston, SC, USA
| | - Azizul Haque
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, USA
| |
Collapse
|
34
|
Haque A, Polcyn R, Matzelle D, Banik NL. New Insights into the Role of Neuron-Specific Enolase in Neuro-Inflammation, Neurodegeneration, and Neuroprotection. Brain Sci 2018; 8:E33. [PMID: 29463007 PMCID: PMC5836052 DOI: 10.3390/brainsci8020033] [Citation(s) in RCA: 128] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 02/12/2018] [Accepted: 02/13/2018] [Indexed: 01/18/2023] Open
Abstract
Neurodegeneration is a complex process that leads to irreversible neuronal damage and death in spinal cord injury (SCI) and various neurodegenerative diseases, which are serious, debilitating conditions. Despite exhaustive research, the cause of neuronal damage in these degenerative disorders is not completely understood. Elevation of cell surface α-enolase activates various inflammatory pathways, including the production of pro-inflammatory cytokines, chemokines, and some growth factors that are detrimental to neuronal cells. While α-enolase is present in all neurological tissues, it can also be converted to neuron specific enolase (NSE). NSE is a glycolytic enzyme found in neuronal and neuroendocrine tissues that may play a dual role in promoting both neuroinflammation and neuroprotection in SCI and other neurodegenerative events. Elevated NSE can promote ECM degradation, inflammatory glial cell proliferation, and actin remodeling, thereby affecting migration of activated macrophages and microglia to the injury site and promoting neuronal cell death. Thus, NSE could be a reliable, quantitative, and specific marker of neuronal injury. Depending on the injury, disease, and microenvironment, NSE may also show neurotrophic function as it controls neuronal survival, differentiation, and neurite regeneration via activation of phosphatidylinositol-4,5-bisphosphate 3-kinase (PI3K) and mitogen-activated protein kinase (MAPK) signaling pathways. This review discusses possible implications of NSE expression and activity in neuroinflammation, neurodegeneration, and neuroprotection in SCI and various neurodegenerative diseases for prognostic and therapeutic potential.
Collapse
Affiliation(s)
- Azizul Haque
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29401, USA.
| | - Rachel Polcyn
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29401, USA.
| | - Denise Matzelle
- Department of Neurosurgery, Medical University of South Carolina, Charleston, SC 29401, USA.
- Ralph H. Johnson Veterans Administration Medical Center, Charleston, SC 29401, USA.
| | - Naren L Banik
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC 29401, USA.
- Department of Neurosurgery, Medical University of South Carolina, Charleston, SC 29401, USA.
- Ralph H. Johnson Veterans Administration Medical Center, Charleston, SC 29401, USA.
| |
Collapse
|
35
|
Polcyn R, Capone M, Hossain A, Matzelle D, Banik NL, Haque A. Enolase and Acute Spinal Cord Injury. JOURNAL OF CLINICAL & CELLULAR IMMUNOLOGY 2017; 8:536. [PMID: 29423333 PMCID: PMC5800513 DOI: 10.4172/2155-9899.1000536] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Rachel Polcyn
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, USA
| | - Mollie Capone
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, USA
- Department of Neurosurgery, Medical University of South Carolina, Charleston, USA
| | - Azim Hossain
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, USA
| | - Denise Matzelle
- Department of Neurosurgery, Medical University of South Carolina, Charleston, USA
- Department of Immunology, Ralph H. Johnson Veterans Administration Medical Center, Charleston, SC, USA
| | - Naren L. Banik
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, USA
- Department of Neurosurgery, Medical University of South Carolina, Charleston, USA
- Department of Immunology, Ralph H. Johnson Veterans Administration Medical Center, Charleston, SC, USA
| | - Azizul Haque
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, USA
| |
Collapse
|
36
|
Polcyn R, Capone M, Hossain A, Matzelle D, Banik NL, Haque A. Neuron specific enolase is a potential target for regulating neuronal cell survival and death: implications in neurodegeneration and regeneration. NEUROIMMUNOLOGY AND NEUROINFLAMMATION 2017; 4:254-257. [PMID: 29423430 PMCID: PMC5800407 DOI: 10.20517/2347-8659.2017.59] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Rachel Polcyn
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Mollie Capone
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425, USA
- Department of Neurosurgery, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Azim Hossain
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Denise Matzelle
- Department of Neurosurgery, Medical University of South Carolina, Charleston, SC 29425, USA
- Ralph H. Johnson Veterans Administration Medical Center, Charleston, SC 29401, USA
| | - Naren L. Banik
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425, USA
- Department of Neurosurgery, Medical University of South Carolina, Charleston, SC 29425, USA
- Ralph H. Johnson Veterans Administration Medical Center, Charleston, SC 29401, USA
| | - Azizul Haque
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC 29425, USA
| |
Collapse
|
37
|
Esnafoglu E, Ayyıldız SN, Cırrık S, Erturk EY, Erdil A, Daglı A, Noyan T. Evaluation of serum Neuron‐specific enolase, S100B, myelin basic protein and glial fibrilliary acidic protein as brain specific proteins in children with autism spectrum disorder. Int J Dev Neurosci 2017; 61:86-91. [DOI: 10.1016/j.ijdevneu.2017.06.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Revised: 06/12/2017] [Accepted: 06/30/2017] [Indexed: 12/11/2022] Open
Affiliation(s)
- Erman Esnafoglu
- Department of Child and Adolescent PsychiatryTraining and Research HospitalFaculty of MedicineOrdu UniversityOrduTurkey
| | - Sema Nur Ayyıldız
- Department of BiochemistryTraining and Research HospitalFaculty of MedicineOrdu UniversityOrduTurkey
| | - Selma Cırrık
- Department of Medical Physiology, Faculty of MedicineOrdu UniversityOrduTurkey
| | - Emine Yurdakul Erturk
- Department of PediatryTraining and Research HospitalFaculty of MedicineOrdu UniversityOrduTurkey
| | - Abdullah Erdil
- Department of PediatryTraining and Research HospitalFaculty of MedicineOrdu UniversityOrduTurkey
| | - Abdullah Daglı
- Department of PediatryTraining and Research HospitalFaculty of MedicineOrdu UniversityOrduTurkey
| | - Tevfik Noyan
- Department of BiochemistryTraining and Research HospitalFaculty of MedicineOrdu UniversityOrduTurkey
| |
Collapse
|
38
|
Lorenz K, Beck S, Keilani MM, Wasielica-Poslednik J, Pfeiffer N, Grus FH. Course of serum autoantibodies in patients after acute angle-closure glaucoma attack. Clin Exp Ophthalmol 2017; 45:280-287. [PMID: 27758063 DOI: 10.1111/ceo.12864] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Revised: 09/15/2016] [Accepted: 09/19/2016] [Indexed: 12/15/2022]
Abstract
BACKGROUND The aim of our investigation was to analyze the autoantibody -reactivities of patients after acute angle-closure glaucoma (AACG) by means of a protein microarray approach to identify intraocular pressure(IOP)-dependent antibodies. METHODS Collected sera from different study time points (AACG n = 6, 0, 2, 4 and 12 weeks) and control group (CTRL n = 11, 0 and 12 weeks) were analyzed. Protein-microarrays were incubated with sera, and occurring immunoreactivities were visualized with fluorescence labeled secondary antibodies. To detect changes, spot intensities were digitized and compared with statistical techniques. RESULTS Three autoantibodies with significant level-alteration in the time course of the survey could be identified. Immunoreactivities to heat shock 27-kDa protein (HSP27), tubulin-tyrosine ligase-like protein 12 (TTLL12), and neuron-specific enolase (NSE) show an increasing linear trend from week 0 up to week 12 with a positive correlation coefficient (P ≤ 0.05, r ≥ 0.4). In the CTRL- group, no significant alterations could be detected in corresponding autoantibody-level. Analysis of variance revealed significant changes of antibody-level between certain time points (anti-HSP27 antibody [week 0 vs. 2], anti-TTLL12 antibody [week 0 vs. 12], and anti-NSE antibody [week 4 vs. 12] [P ≤ 0.05, respectively]) in AACG group. CONCLUSIONS With this autoantibodies profiling approach, we were able to detect autoimmune reactivities in sera of patients without former indication for glaucomatous damage after rise of IOP due to AACG attack. After further validation in subsequent studies, this autoantibodies could give further insights into the pathogenesis of glaucoma and could possibly help to understand the effect of IOP on glaucomatous optic neuropathy.
Collapse
Affiliation(s)
- Katrin Lorenz
- Department of Experimental Ophthalmology, University Medical Center, Johannes Gutenberg-University, Mainz, Germany
| | - Sabine Beck
- Department of Experimental Ophthalmology, University Medical Center, Johannes Gutenberg-University, Mainz, Germany.,Department of Pharmacy and Biochemistry, Johannes Gutenberg-University Mainz, Germany
| | - Munir M Keilani
- Department of Experimental Ophthalmology, University Medical Center, Johannes Gutenberg-University, Mainz, Germany.,Vision 100 Die Augenärzte, Gemeinschaftspraxis Mönchengladbach, Germany
| | - Joanna Wasielica-Poslednik
- Department of Experimental Ophthalmology, University Medical Center, Johannes Gutenberg-University, Mainz, Germany
| | - Norbert Pfeiffer
- Department of Experimental Ophthalmology, University Medical Center, Johannes Gutenberg-University, Mainz, Germany
| | - Franz H Grus
- Department of Experimental Ophthalmology, University Medical Center, Johannes Gutenberg-University, Mainz, Germany
| |
Collapse
|
39
|
Pate KM, Murphy RM. Cerebrospinal Fluid Proteins as Regulators of Beta-amyloid Aggregation and Toxicity. Isr J Chem 2017; 57:602-612. [PMID: 29129937 DOI: 10.1002/ijch.201600078] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Amyloid disorders, such as Alzheimer's, are almost invariably late-onset diseases. One defining diagnostic feature of Alzheimer's disease is the deposition of beta-amyloid as extracellular plaques, primarily in the hippocampus. This raises the question: are there natural protective agents that prevent beta-amyloid from depositing, and is it loss of this protection that leads to onset of disease? Proteins in cerebrospinal fluid (CSF) have been suggested to act as just such natural protective agents. Here, we describe some of the early evidence that led to this suggestion, and we discuss, in greater detail, two CSF proteins that have garnered the bulk of the attention.
Collapse
Affiliation(s)
- Kayla M Pate
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison WI 53706 (USA)
| | - Regina M Murphy
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison WI 53706 (USA)
| |
Collapse
|
40
|
Stoka V, Turk V, Turk B. Lysosomal cathepsins and their regulation in aging and neurodegeneration. Ageing Res Rev 2016; 32:22-37. [PMID: 27125852 DOI: 10.1016/j.arr.2016.04.010] [Citation(s) in RCA: 223] [Impact Index Per Article: 27.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 04/12/2016] [Accepted: 04/23/2016] [Indexed: 02/07/2023]
Abstract
Lysosomes and lysosomal hydrolases, including the cathepsins, have been shown to change their properties with aging brain a long time ago, although their function was not really understood. The first biochemical and clinical studies were followed by a major expansion in the last 20 years with the development of animal disease models and new approaches leading to a major advancement of understanding of the role of physiological and degenerative processes in the brain at the molecular level. This includes the understanding of the major role of autophagy and the cathepsins in a number of diseases, including its critical role in the neuronal ceroid lipofuscinosis. Similarly, cathepsins and some other lysosomal proteases were shown to have important roles in processing and/or degradation of several important neuronal proteins, thereby having either neuroprotective or harmful roles. In this review, we discuss lysosomal cathepsins and their regulation with the focus on cysteine cathepsins and their endogenous inhibitors, as well as their role in several neurodegenerative diseases.
Collapse
Affiliation(s)
- Veronika Stoka
- Department of Biochemistry and Molecular and Structural Biology, J. Stefan Institute, Jamova 39, Sl-1000 Ljubljana, Slovenia; J. Stefan International Postgraduate School, Jamova 39, Sl-1000 Ljubljana, Slovenia.
| | - Vito Turk
- Department of Biochemistry and Molecular and Structural Biology, J. Stefan Institute, Jamova 39, Sl-1000 Ljubljana, Slovenia; J. Stefan International Postgraduate School, Jamova 39, Sl-1000 Ljubljana, Slovenia
| | - Boris Turk
- Department of Biochemistry and Molecular and Structural Biology, J. Stefan Institute, Jamova 39, Sl-1000 Ljubljana, Slovenia; Centre of Excellence for Integrated Approaches in Chemistry and Biology of Proteins, Jamova 39, Sl-1000 Ljubljana, Slovenia; Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, Sl-1000 Ljubljana, Slovenia.
| |
Collapse
|
41
|
Pišlar A, Božić B, Zidar N, Kos J. Inhibition of cathepsin X reduces the strength of microglial-mediated neuroinflammation. Neuropharmacology 2016; 114:88-100. [PMID: 27889490 DOI: 10.1016/j.neuropharm.2016.11.019] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 10/08/2016] [Accepted: 11/22/2016] [Indexed: 12/18/2022]
Abstract
Inflammation plays a central role in the processes associated with neurodegeneration. The inflammatory response is mediated by activated microglia that release inflammatory mediators to the neuronal environment. Microglia-derived lysosomal cathepsins, including cathepsin X, are increasingly recognized as important mediators of the inflammation involved in lipopolysaccharide (LPS)-induced neuroinflammation. The current study was undertaken to investigate the role of cathepsin X and its molecular target, γ-enolase, in neuroinflammation and to elucidate the underlying mechanism. We determined that the exposure of activated BV2 and EOC 13.31 cells to LPS led to increased levels of cathepsin X protein and activity in the culture supernatants in a concentration- and time-dependent manner. In contrast, LPS stimulation of these two cells reduced the release of active γ-enolase in a manner regulated by the cathepsin X activity. Cathepsin X inhibitor AMS36 significantly reduced LPS-induced production of nitric oxide, reactive oxygen species and the pro-inflammatory cytokines interleukin-6 and tumor necrosis factor-α from BV2 cells. Inhibition of cathepsin X suppressed microglial activation through the reduced caspase-3 activity, together with diminished microglial cell death and apoptosis, and also through inhibition of the activity of the mitogen-activated protein kinases. Further, SH-SY5Y treatment with culture supernatants of activated microglial cells showed that cathepsin X inhibition reduces microglia-mediated neurotoxicity. These results indicate that up-regulated expression and increased release and activity of microglial cathepsin X leads to microglia activation-mediated neurodegeneration. Cathepsin X inhibitor caused neuroprotection via its inhibition of the activation of microglia. Cathepsin X could thus be a potential therapeutic target for neuroinflammatory disorders.
Collapse
Affiliation(s)
- Anja Pišlar
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, SI-1000 Ljubljana, Slovenia.
| | - Biljana Božić
- Institute for Physiology and Biochemistry, Faculty of Biology, University of Belgrade, Studentski trg 16, 11000 Belgrade, Serbia
| | - Nace Zidar
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, SI-1000 Ljubljana, Slovenia
| | - Janko Kos
- Department of Pharmaceutical Biology, Faculty of Pharmacy, University of Ljubljana, Aškerčeva 7, SI-1000 Ljubljana, Slovenia; Department of Biotechnology, Jožef Stefan Institute, Jamova cesta 39, SI-1000 Ljubljana, Slovenia
| |
Collapse
|
42
|
Ayyadevara S, Balasubramaniam M, Parcon PA, Barger SW, Griffin WST, Alla R, Tackett AJ, Mackintosh SG, Petricoin E, Zhou W, Shmookler Reis RJ. Proteins that mediate protein aggregation and cytotoxicity distinguish Alzheimer's hippocampus from normal controls. Aging Cell 2016; 15:924-39. [PMID: 27448508 PMCID: PMC5013017 DOI: 10.1111/acel.12501] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/03/2016] [Indexed: 12/14/2022] Open
Abstract
Neurodegenerative diseases are distinguished by characteristic protein aggregates initiated by disease‐specific ‘seed’ proteins; however, roles of other co‐aggregated proteins remain largely unexplored. Compact hippocampal aggregates were purified from Alzheimer's and control‐subject pools using magnetic‐bead immunoaffinity pulldowns. Their components were fractionated by electrophoretic mobility and analyzed by high‐resolution proteomics. Although total detergent‐insoluble aggregates from Alzheimer's and controls had similar protein content, within the fractions isolated by tau or Aβ1–42 pulldown, the protein constituents of Alzheimer‐derived aggregates were more abundant, diverse, and post‐translationally modified than those from controls. Tau‐ and Aβ‐containing aggregates were distinguished by multiple components, and yet shared >90% of their protein constituents, implying similar accretion mechanisms. Alzheimer‐specific protein enrichment in tau‐containing aggregates was corroborated for individuals by three analyses. Five proteins inferred to co‐aggregate with tau were confirmed by precise in situ methods, including proximity ligation amplification that requires co‐localization within 40 nm. Nematode orthologs of 21 proteins, which showed Alzheimer‐specific enrichment in tau‐containing aggregates, were assessed for aggregation‐promoting roles in C. elegans by RNA‐interference ‘knockdown’. Fifteen knockdowns (71%) rescued paralysis of worms expressing muscle Aβ, and 12 (57%) rescued chemotaxis disrupted by neuronal Aβ expression. Proteins identified in compact human aggregates, bound by antibody to total tau, were thus shown to play causal roles in aggregation based on nematode models triggered by Aβ1–42. These observations imply shared mechanisms driving both types of aggregation, and/or aggregate‐mediated cross‐talk between tau and Aβ. Knowledge of protein components that promote protein accrual in diverse aggregate types implicates common mechanisms and identifies novel targets for drug intervention.
Collapse
Affiliation(s)
- Srinivas Ayyadevara
- McClellan Veterans Medical Center Central Arkansas Veterans Healthcare Service Little Rock AR 72205 USA
- Department of Geriatrics University of Arkansas for Medical Sciences Little Rock AR 72205 USA
| | - Meenakshisundaram Balasubramaniam
- Department of Geriatrics University of Arkansas for Medical Sciences Little Rock AR 72205 USA
- BioInformatics Program University of Arkansas for Medical Sciences and University of Arkansas at Little Rock Little Rock AR 72205 USA
| | - Paul A. Parcon
- Department of Geriatrics University of Arkansas for Medical Sciences Little Rock AR 72205 USA
| | - Steven W. Barger
- McClellan Veterans Medical Center Central Arkansas Veterans Healthcare Service Little Rock AR 72205 USA
- Department of Geriatrics University of Arkansas for Medical Sciences Little Rock AR 72205 USA
| | - W. Sue T. Griffin
- McClellan Veterans Medical Center Central Arkansas Veterans Healthcare Service Little Rock AR 72205 USA
- Department of Geriatrics University of Arkansas for Medical Sciences Little Rock AR 72205 USA
| | - Ramani Alla
- McClellan Veterans Medical Center Central Arkansas Veterans Healthcare Service Little Rock AR 72205 USA
- Department of Geriatrics University of Arkansas for Medical Sciences Little Rock AR 72205 USA
| | - Alan J. Tackett
- Department of Biochemistry & Molecular Biology University of Arkansas for Medical Sciences Little Rock AR 72205 USA
| | - Samuel G. Mackintosh
- Department of Biochemistry & Molecular Biology University of Arkansas for Medical Sciences Little Rock AR 72205 USA
| | - Emanuel Petricoin
- Center for Applied Proteomics and Molecular Medicine George Mason University Manassas VA 20110 USA
| | - Weidong Zhou
- Center for Applied Proteomics and Molecular Medicine George Mason University Manassas VA 20110 USA
| | - Robert J. Shmookler Reis
- McClellan Veterans Medical Center Central Arkansas Veterans Healthcare Service Little Rock AR 72205 USA
- Department of Geriatrics University of Arkansas for Medical Sciences Little Rock AR 72205 USA
- Department of Biochemistry & Molecular Biology University of Arkansas for Medical Sciences Little Rock AR 72205 USA
| |
Collapse
|
43
|
Wiener CD, Molina ML, Passos M, Moreira FP, Bittencourt G, de Mattos Souza LD, da Silva RA, Jansen K, Oses JP. Neuron-specific enolase levels in drug-naïve young adults with major depressive disorder. Neurosci Lett 2016; 620:93-6. [PMID: 27026487 DOI: 10.1016/j.neulet.2016.03.049] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Revised: 02/23/2016] [Accepted: 03/26/2016] [Indexed: 01/08/2023]
Abstract
The aim of this study is to assess neuron-specific enolase (NSE) levels and clinical features in subjects with major depressive disorder (MDD). This is a cross-sectional study with drug-naïve young adults with MDD (aged 18-29 years). Serum levels of NSE were assessed using the electrochemiluminescence method. MDD diagnosis, suicidal ideation, and time of disease were assessed using the Structured Clinical Interview for DSM-IV (SCID). The Hamilton Depression Rating Scale (HDRS) and Hamilton Anxiety Rating Scale (HARS) were used to assess depressive and anxiety symptoms. No relationship was observed between NSE levels and severity of depressive and anxiety symptoms, time of disease, and suicidal ideation. These results suggest that NSE serum levels were not associated with clinical features of MDD among drug-naïve young adults.
Collapse
Affiliation(s)
- Carolina David Wiener
- Programa de Pós-Graduação em Saúde e Comportamento, Universidade Católica de Pelotas, Pelotas, Brazil; Hospital São Francisco de Paula, Universidade Católica de Pelotas, Pelotas, Brazil.
| | - Mariane Lopez Molina
- Programa de Pós-Graduação em Saúde e Comportamento, Universidade Católica de Pelotas, Pelotas, Brazil
| | - Miguel Passos
- Programa de Pós-Graduação em Saúde e Comportamento, Universidade Católica de Pelotas, Pelotas, Brazil
| | - Fernanda Pedrotti Moreira
- Programa de Pós-Graduação em Saúde e Comportamento, Universidade Católica de Pelotas, Pelotas, Brazil
| | - Guilherme Bittencourt
- Programa de Pós-Graduação em Saúde e Comportamento, Universidade Católica de Pelotas, Pelotas, Brazil
| | | | - Ricardo Azevedo da Silva
- Programa de Pós-Graduação em Saúde e Comportamento, Universidade Católica de Pelotas, Pelotas, Brazil
| | - Karen Jansen
- Programa de Pós-Graduação em Saúde e Comportamento, Universidade Católica de Pelotas, Pelotas, Brazil
| | - Jean Pierre Oses
- Programa de Pós-Graduação em Saúde e Comportamento, Universidade Católica de Pelotas, Pelotas, Brazil; Hospital São Francisco de Paula, Universidade Católica de Pelotas, Pelotas, Brazil
| |
Collapse
|
44
|
Cheng-Chung Wei J, Huang HC, Chen WJ, Huang CN, Peng CH, Lin CL. Epigallocatechin gallate attenuates amyloid β-induced inflammation and neurotoxicity in EOC 13.31 microglia. Eur J Pharmacol 2015; 770:16-24. [PMID: 26643169 DOI: 10.1016/j.ejphar.2015.11.048] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Revised: 09/25/2015] [Accepted: 11/25/2015] [Indexed: 11/29/2022]
Abstract
Microglia are the primary immune cells that contribute to neuroinflammation by releasing various proinflammatory cytokines and neurotoxins in the brain. Microglia-mediated neuroinflammation is one of the key characteristics of Alzheimer's disease (AD). Therefore, inhibitory reagents that prevent microglial activation may be used as potential therapeutic agents for treating AD. Recently, many studies have been performed to determine the bioactivities of green tea polyphenol epigallocatechin-3-gallate (EGCG), an efficient antioxidant that prevents neuroinflammation. However, limited information is available on the effects of EGCG on microglia-mediated neuroinflammation. In this study, we investigated the inhibitory effects of EGCG on amyloid β (Aβ)-induced microglial activation and neurotoxicity. Our results indicated that EGCG significantly suppressed the expression of tumor necrosis factor α (TNFα), interleukin-1β, interleukin-6, and inducible nitric oxide synthase (iNOS) in Aβ-stimulated EOC 13.31 microglia. EGCG also restored the levels of intracellular antioxidants nuclear erythroid-2 related factor 2 (Nrf2) and heme oxygenase-1 (HO-1), thus inhibiting reactive oxygen species-induced nuclear factor-κB (NF-κB) activation after Aβ treatment. Furthermore, EGCG effectively protected neuro-2a neuronal cells from Aβ-mediated, microglia-induced cytotoxicity by inhibiting mitogen-activated protein kinase-dependent, Aβ-induced release of TNFα. Taken together, our findings suggested that EGCG suppressed Aβ-induced neuroinflammatory response of microglia and protected against indirect neurotoxicity. These results suggest that EGCG is a possible therapeutic agent for preventing Aβ-induced inflammatory neurodegeneration.
Collapse
Affiliation(s)
- James Cheng-Chung Wei
- Division of Allergy, Immunology and Rheumatology, Chung Shan Medical University Hospital, Taichung, Taiwan; Institute of Integrative Medicine, China Medical University, Taichung, Taiwan; Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Hsiu-Chen Huang
- Department of Applied Science, National Hsinchu University of Education, Hsinchu, Taiwan
| | - Wei-Jen Chen
- Department of Biomedical Sciences, Chung Shan Medical University, Taichung, Taiwan
| | - Chien-Ning Huang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Chiung-Huei Peng
- Division of Basic Medical Science, Hungkuang University, Taichung, Taiwan
| | - Chih-Li Lin
- Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan; Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| |
Collapse
|
45
|
Vizin T, Kos J. Gamma-enolase: a well-known tumour marker, with a less-known role in cancer. Radiol Oncol 2015; 49:217-26. [PMID: 26401126 PMCID: PMC4577217 DOI: 10.1515/raon-2015-0035] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2015] [Accepted: 07/13/2015] [Indexed: 12/16/2022] Open
Abstract
Background Gamma-enolase, known also as neuron-specific enolase (NSE), is an enzyme of the glycolytic pathway, which is expressed predominantly in neurons and cells of the neuroendocrine system. As a tumour marker it is used in diagnosis and prognosis of cancer; however, the mechanisms enrolling it in malignant progression remain elusive. As a cytoplasmic enzyme gamma-enolase is involved in increased aerobic glycolysis, the main source of energy in cancer cells, supporting cell proliferation. However, different cellular localisation at pathophysiological conditions, proposes other cellular engagements. Conclusions The C-terminal part of the molecule, which is not related to glycolytic pathway, was shown to promote survival of neuronal cells by regulating neuronal growth factor receptor dependent signalling pathways, resulting also in extensive actin cytoskeleton remodelling. This additional function could be important also in cancer cells either to protect cells from stressful conditions and therapeutic agents or to promote tumour cell migration and invasion. Gamma-enolase might therefore have a multifunctional role in cancer progression: it supports increased tumour cell metabolic demands, protects tumour cells from stressful conditions and promotes their invasion and migration.
Collapse
Affiliation(s)
- Tjasa Vizin
- Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
| | - Janko Kos
- Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia
| |
Collapse
|
46
|
Intracellular signaling by cathepsin X: Molecular mechanisms and diagnostic and therapeutic opportunities in cancer. Semin Cancer Biol 2015; 31:76-83. [DOI: 10.1016/j.semcancer.2014.05.001] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Revised: 04/27/2014] [Accepted: 05/05/2014] [Indexed: 01/27/2023]
|
47
|
Fan K, Li D, Zhang Y, Han C, Liang J, Hou C, Xiao H, Ikenaka K, Ma J. The induction of neuronal death by up-regulated microglial cathepsin H in LPS-induced neuroinflammation. J Neuroinflammation 2015; 12:54. [PMID: 25889123 PMCID: PMC4379721 DOI: 10.1186/s12974-015-0268-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2014] [Accepted: 02/17/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Neuroinflammation is a hallmark that leads to selective neuronal loss and/or dysfunction in neurodegenerative disorders. Microglia-derived lysosomal cathepsins are increasingly recognized as important inflammatory mediators to trigger signaling pathways that aggravate neuroinflammation. However, cathepsin H (Cat H), a cysteine protease, has been far less studied in neuroinflammation, compared to cathepsins B, D, L, and S. The expression patterns and functional roles of Cat H in the brain in neuroinflammation remain unknown. METHODS C57BL/6J mice were intraperitoneally injected with either 0.9% saline or lipopolysaccharide (LPS, 5 mg/kg). Immunohistochemistry (IHC) and in situ hybridization (ISH) were used to analyze expression and localization of Cat H in the brain. Nitrite assay was used to examine microglial activation in vitro; ELISA was used to determine the release of Cat H and proinflammatory cytokines (TNF-α, IL-1β, IL-6, IFN-γ). Cat H activity was analyzed by cellular Cat H assay kit. Flow cytometry and in situ cell death detection were used to investigate neuronal death. Data were evaluated for statistical significance with one-way ANOVA and t test. RESULTS Cat H mRNA was only present in perivascular microglia and non-parenchymal sites under normal conditions. After LPS injection, Cat H mRNA expression in activated microglia in different brain regions was increased. Twenty-four hours after LPS injection, Cat H mRNA expression was maximal in SNr; 72 h later, it peaked in cerebral cortex and hippocampus then decreased and maintained at a low level. The expression of Cat H protein exhibited the similar alterations after LPS injection. In vitro, inflammatory stimulation (LPS, TNF-α, IL-1β, IL-6, and IFN-γ) increased the release and activity of Cat H in microglia. Conversely, addition of Cat H to microglia promoted the production and release of NO, IL-1β, and IFN-γ which could be prevented by neutralizing antibody. Further, addition of Cat H to Neuro2a cells induced neuronal death. CONCLUSIONS Taken together, these data indicate that the up-regulated microglial Cat H expression, release, and activity in the brain lead to neuronal death in neuroinflammation. The functional link of Cat H with microglial activation might contribute to the initiation and maintenance of microglia-driven chronic neuroinflammation.
Collapse
Affiliation(s)
- Kai Fan
- Department of Anatomy, Dalian Medical University, West Section No. 9, South Road, Lvshun, Dalian, 116044, , Liaoning, China.
| | - Daobo Li
- Clinical Medicine of Seven-year Education, Dalian Medical University, Dalian, 116044, , Liaoning, China.
| | - Yanli Zhang
- Department of Anatomy, Dalian Medical University, West Section No. 9, South Road, Lvshun, Dalian, 116044, , Liaoning, China.
| | - Chao Han
- Regenerative Medicine Center, the First Affiliated Hospital, Dalian Medical University, Dalian, 116011, , Liaoning, China.
| | - Junjie Liang
- Graduate School, Dalian Medical University, Dalian, 116044, , Liaoning, China.
| | - Changyi Hou
- Graduate School, Dalian Medical University, Dalian, 116044, , Liaoning, China.
| | - Hongliang Xiao
- Graduate School, Dalian Medical University, Dalian, 116044, , Liaoning, China.
| | - Kazuhiro Ikenaka
- Division of Neurobiology and Bioinformatics, National Institute for Physiological Sciences, Okazaki, 444-8787, , Aichi, Japan.
| | - Jianmei Ma
- Department of Anatomy, Dalian Medical University, West Section No. 9, South Road, Lvshun, Dalian, 116044, , Liaoning, China.
| |
Collapse
|
48
|
Triplett JC, Zhang Z, Sultana R, Cai J, Klein JB, Büeler H, Butterfield DA. Quantitative expression proteomics and phosphoproteomics profile of brain from PINK1 knockout mice: insights into mechanisms of familial Parkinson's disease. J Neurochem 2015; 133:750-65. [PMID: 25626353 DOI: 10.1111/jnc.13039] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Revised: 12/08/2014] [Accepted: 01/12/2015] [Indexed: 12/27/2022]
Abstract
Parkinson's disease (PD) is an age-related, neurodegenerative motor disorder characterized by progressive degeneration of dopaminergic neurons in the substantia nigra pars compacta and presence of α-synuclein-containing protein aggregates. Mutations in the mitochondrial Ser/Thr kinase PTEN-induced kinase 1 (PINK1) are associated with an autosomal recessive familial form of early-onset PD. Recent studies have suggested that PINK1 plays important neuroprotective roles against mitochondrial dysfunction by phosphorylating and recruiting Parkin, a cytosolic E3 ubiquitin ligase, to facilitate elimination of damaged mitochondria via autophagy-lysosomal pathways. Loss of PINK1 in cells and animals leads to various mitochondrial impairments and oxidative stress, culminating in dopaminergic neuronal death in humans. Using a 2-D polyacrylamide gel electrophoresis proteomics approach, the differences in expressed brain proteome and phosphoproteome between 6-month-old PINK1-deficient mice and wild-type mice were identified. The observed changes in the brain proteome and phosphoproteome of mice lacking PINK1 suggest that defects in signaling networks, energy metabolism, cellular proteostasis, and neuronal structure and plasticity are involved in the pathogenesis of familial PD. Mutations in PINK1 are associated with an early-onset form of Parkinson's disease (PD). This study examines changes in the proteome and phosphoproteome of the PINK1 knockout mouse brain. Alterations were noted in several key proteins associated with: increased oxidative stress, aberrant cellular signaling, altered neuronal structure, decreased synaptic plasticity, reduced neurotransmission, diminished proteostasis networks, and altered metabolism. 14-3-3ε, 14-3-3 protein epsilon; 3-PGDH, phosphoglycerate dehydrogenase; ALDOA, aldolase A; APT1, acyl-protein thioesterase 1; CaM, calmodulin; CBR3, carbonyl reductase [NADPH] 3; ENO2, gamma-enolase; HPRT, hypoxanthine-guanine phosphoribosyltransferase; HSP70, heat-shock-related 70 kDa protein 2; IDHc, cytoplasmic isocitrate dehydrogenase [NADP+]; MAPK1, mitogen-activated protein kinase 1; MEK1, MAP kinase kinase 1; MDHc, cytoplasmic malate dehydrogenase; NFM, neurofilament medium polypeptide; NSF, N-ethylmaleimide-sensitive fusion protein; PHB, prohibitin; PINK1, PTEN-induced putative kinase 1; PPIaseA, peptidyl-prolyl cis-trans isomerase A; PSA2, proteasome subunit alpha type-2; TK, transketolase; VDAC-2, voltage-dependent anion-selective channel protein 2.
Collapse
Affiliation(s)
- Judy C Triplett
- Department of Chemistry, University of Kentucky, Lexington, Kentucky, USA
| | | | | | | | | | | | | |
Collapse
|
49
|
Perišić Nanut M, Sabotič J, Jewett A, Kos J. Cysteine cathepsins as regulators of the cytotoxicity of NK and T cells. Front Immunol 2014; 5:616. [PMID: 25520721 PMCID: PMC4251435 DOI: 10.3389/fimmu.2014.00616] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Accepted: 11/18/2014] [Indexed: 11/13/2022] Open
Abstract
Cysteine cathepsins are lysosomal peptidases involved at different levels in the processes of the innate and adaptive immune responses. Some, such as cathepsins B, L, and H are expressed constitutively in most immune cells. In cells of innate immunity they play a role in cell adhesion and phagocytosis. Other cysteine cathepsins are expressed more specifically. Cathepsin X promotes dendritic cell maturation, adhesion of macrophages, and migration of T cells. Cathepsin S is implicated in major histocompatibility complex class II antigen presentation, whereas cathepsin C, expressed in cytotoxic T lymphocytes and natural killer (NK) cells, is involved in processing pro-granzymes into proteolytically active forms, which trigger cell death in their target cells. The activity of cysteine cathepsins is controlled by endogenous cystatins, cysteine protease inhibitors. Of these, cystatin F is the only cystatin that is localized in endosomal/lysosomal vesicles. After proteolytic removal of its N-terminal peptide, cystatin F becomes a potent inhibitor of cathepsin C with the potential to regulate pro-granzyme processing and cell cytotoxicity. This review is focused on the role of cysteine cathepsins and their inhibitors in the molecular mechanisms leading to the cytotoxic activity of T lymphocytes and NK cells in order to address new possibilities for regulation of their function in pathological processes.
Collapse
Affiliation(s)
| | - Jerica Sabotič
- Department of Biotechnology, Jožef Stefan Institute , Ljubljana , Slovenia
| | - Anahid Jewett
- Division of Oral Biology and Medicine, The Jane and Jerry Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry, University of California Los Angeles , Los Angeles, CA , USA
| | - Janko Kos
- Department of Biotechnology, Jožef Stefan Institute , Ljubljana , Slovenia ; Faculty of Pharmacy, University of Ljubljana , Ljubljana , Slovenia
| |
Collapse
|
50
|
Phosphoproteomics and bioinformatics analyses of spinal cord proteins in rats with morphine tolerance. PLoS One 2014; 9:e83817. [PMID: 24392096 PMCID: PMC3879267 DOI: 10.1371/journal.pone.0083817] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2013] [Accepted: 11/08/2013] [Indexed: 12/19/2022] Open
Abstract
Introduction Morphine is the most effective pain-relieving drug, but it can cause unwanted side effects. Direct neuraxial administration of morphine to spinal cord not only can provide effective, reliable pain relief but also can prevent the development of supraspinal side effects. However, repeated neuraxial administration of morphine may still lead to morphine tolerance. Methods To better understand the mechanism that causes morphine tolerance, we induced tolerance in rats at the spinal cord level by giving them twice-daily injections of morphine (20 µg/10 µL) for 4 days. We confirmed tolerance by measuring paw withdrawal latencies and maximal possible analgesic effect of morphine on day 5. We then carried out phosphoproteomic analysis to investigate the global phosphorylation of spinal proteins associated with morphine tolerance. Finally, pull-down assays were used to identify phosphorylated types and sites of 14-3-3 proteins, and bioinformatics was applied to predict biological networks impacted by the morphine-regulated proteins. Results Our proteomics data showed that repeated morphine treatment altered phosphorylation of 10 proteins in the spinal cord. Pull-down assays identified 2 serine/threonine phosphorylated sites in 14-3-3 proteins. Bioinformatics further revealed that morphine impacted on cytoskeletal reorganization, neuroplasticity, protein folding and modulation, signal transduction and biomolecular metabolism. Conclusions Repeated morphine administration may affect multiple biological networks by altering protein phosphorylation. These data may provide insight into the mechanism that underlies the development of morphine tolerance.
Collapse
|