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Wang Z, Li Y, Wang Z, Liao Y, Ye Q, Tang S, Wei T, Xiao P, Huang J, Lu W. Edaravone Maintains AQP4 Polarity Via OS/MMP9/β-DG Pathway in an Experimental Intracerebral Hemorrhage Mouse Model. Mol Neurobiol 2024:10.1007/s12035-024-04028-4. [PMID: 38421470 DOI: 10.1007/s12035-024-04028-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 02/09/2024] [Indexed: 03/02/2024]
Abstract
Oxidative stress (OS) is the main cause of secondary damage following intracerebral hemorrhage (ICH). The polarity expression of aquaporin-4 (AQP4) has been shown to be important in maintaining the homeostasis of water transport and preventing post-injury brain edema in various neurological disorders. This study primarily aimed to investigate the effect of the oxygen free radical scavenger, edaravone, on AQP4 polarity expression in an ICH mouse model and determine whether it involves in AQP4 polarity expression via the OS/MMP9/β-dystroglycan (β-DG) pathway. The ICH mouse model was established by autologous blood injection into the basal nucleus. Edaravone or the specific inhibitor of matrix metalloproteinase 9 (MMP9), MMP9-IN-1, called MMP9-inh was administered 10 min after ICH via intraperitoneal injection. ELISA detection, neurobehavioral tests, dihydroethidium staining (DHE staining), intracisternal tracer infusion, hematoxylin and eosin (HE) staining, immunofluorescence staining, western blotting, Evans blue (EB) permeability assay, and brain water content test were performed. The results showed that OS was exacerbated, AQP4 polarity was lost, drainage function of brain fluids was damaged, brain injury was aggravated, expression of AQP4, MMP9, and GFAP increased, while the expression of β-DG decreased after ICH. Edaravone reduced OS, restored brain drainage function, reduced brain injury, and downregulated the expression of AQP4, MMP9. Both edaravone and MMP9-inh alleviated brain edema, maintained blood-brain barrier (BBB) integrity, mitigated the loss of AQP4 polarity, downregulated GFAP expression, and upregulated β-DG expression. The current study suggests that edaravone can maintain AQP4 polarity expression by inhibiting the OS /MMP9/β-DG pathway after ICH.
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Affiliation(s)
- Zhenhua Wang
- Department of Anatomy, Basic Medical College, Chongqing Medical University, Chongqing, China
- Institute of Neuroscience, Basic Medical College, Chongqing Medical University, Chongqing, China
| | - Yuan Li
- Department of Anatomy, Basic Medical College, Chongqing Medical University, Chongqing, China
- Institute of Neuroscience, Basic Medical College, Chongqing Medical University, Chongqing, China
| | - Zhixu Wang
- Department of Anatomy, Basic Medical College, Chongqing Medical University, Chongqing, China
- Institute of Neuroscience, Basic Medical College, Chongqing Medical University, Chongqing, China
| | - Yuhui Liao
- Department of Anatomy, Basic Medical College, Chongqing Medical University, Chongqing, China
- Institute of Neuroscience, Basic Medical College, Chongqing Medical University, Chongqing, China
- Sichuan University of Arts and Science, Sichuan, China
| | - Qingqing Ye
- Department of Anatomy, Basic Medical College, Chongqing Medical University, Chongqing, China
- Institute of Neuroscience, Basic Medical College, Chongqing Medical University, Chongqing, China
| | - Shilong Tang
- Department of Anatomy, Basic Medical College, Chongqing Medical University, Chongqing, China
- Institute of Neuroscience, Basic Medical College, Chongqing Medical University, Chongqing, China
- Department of Radiology, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Ting Wei
- Department of Anatomy, Basic Medical College, Chongqing Medical University, Chongqing, China
- Institute of Neuroscience, Basic Medical College, Chongqing Medical University, Chongqing, China
| | - Pengyu Xiao
- Department of Anatomy, Basic Medical College, Chongqing Medical University, Chongqing, China
- Institute of Neuroscience, Basic Medical College, Chongqing Medical University, Chongqing, China
| | - Juan Huang
- Department of Anatomy, Basic Medical College, Chongqing Medical University, Chongqing, China.
- Institute of Neuroscience, Basic Medical College, Chongqing Medical University, Chongqing, China.
| | - Weitian Lu
- Department of Anatomy, Basic Medical College, Chongqing Medical University, Chongqing, China.
- Institute of Neuroscience, Basic Medical College, Chongqing Medical University, Chongqing, China.
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Sernoskie SC, Bonneil É, Thibault P, Jee A, Uetrecht J. Involvement of Extracellular Vesicles in the Proinflammatory Response to Clozapine: Implications for Clozapine-Induced Agranulocytosis. J Pharmacol Exp Ther 2024; 388:827-845. [PMID: 38262745 DOI: 10.1124/jpet.123.001970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/27/2023] [Accepted: 12/08/2023] [Indexed: 01/25/2024] Open
Abstract
Most idiosyncratic drug reactions (IDRs) appear to be immune-mediated, but mechanistic events preceding severe reaction onset remain poorly defined. Damage-associated molecular patterns (DAMPs) may contribute to both innate and adaptive immune phases of IDRs, and changes in extracellular vesicle (EV) cargo have been detected post-exposure to several IDR-associated drugs. To explore the hypothesis that EVs are also a source of DAMPs in the induction of the immune response preceding drug-induced agranulocytosis, the proteome and immunogenicity of clozapine- (agranulocytosis-associated drug) and olanzapine- (non-agranulocytosis-associated drug) exposed EVs were compared in two preclinical models: THP-1 macrophages and Sprague-Dawley rats. Compared with olanzapine, clozapine induced a greater increase in the concentration of EVs enriched from both cell culture media and rat serum. Moreover, treatment of drug-naïve THP-1 cells with clozapine-exposed EVs induced an inflammasome-dependent response, supporting a potential role for EVs in immune activation. Proteomic and bioinformatic analyses demonstrated an increased number of differentially expressed proteins with clozapine that were enriched in pathways related to inflammation, myeloid cell chemotaxis, wounding, transforming growth factor-β signaling, and negative regulation of stimuli response. These data indicate that, although clozapine and olanzapine exposure both alter the protein cargo of EVs, clozapine-exposed EVs carry mediators that exhibit significantly greater immunogenicity. Ultimately, this supports the working hypothesis that drugs associated with a risk of IDRs induce cell stress, release of proinflammatory mediators, and early immune activation that precedes severe reaction onset. Further studies characterizing EVs may elucidate biomarkers that predict IDR risk during development of drug candidates. SIGNIFICANCE STATEMENT: This work demonstrates that clozapine, an idiosyncratic drug-induced agranulocytosis (IDIAG)-associated drug, but not olanzapine, a safer structural analogue, induces an acute proinflammatory response and increases extracellular vesicle (EV) release in two preclinical models. Moreover, clozapine-exposed EVs are more immunogenic, as measured by their ability to activate inflammasomes, and contain more differentially expressed proteins, highlighting a novel role for EVs during the early immune response to clozapine and enhancing our mechanistic understanding of IDIAG and other idiosyncratic reactions.
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Affiliation(s)
- Samantha Christine Sernoskie
- Departments of Pharmaceutical Sciences, Faculty of Pharmacy (S.C.S., J.U.) and Pharmacology and Toxicology, Temerty Faculty of Medicine (A.J., J.U.), University of Toronto, Toronto, Ontario; and Institute for Research in Immunology and Cancer (É.B., P.T.) and Department of Chemistry (P.T.), University of Montreal, Montreal, Quebec
| | - Éric Bonneil
- Departments of Pharmaceutical Sciences, Faculty of Pharmacy (S.C.S., J.U.) and Pharmacology and Toxicology, Temerty Faculty of Medicine (A.J., J.U.), University of Toronto, Toronto, Ontario; and Institute for Research in Immunology and Cancer (É.B., P.T.) and Department of Chemistry (P.T.), University of Montreal, Montreal, Quebec
| | - Pierre Thibault
- Departments of Pharmaceutical Sciences, Faculty of Pharmacy (S.C.S., J.U.) and Pharmacology and Toxicology, Temerty Faculty of Medicine (A.J., J.U.), University of Toronto, Toronto, Ontario; and Institute for Research in Immunology and Cancer (É.B., P.T.) and Department of Chemistry (P.T.), University of Montreal, Montreal, Quebec
| | - Alison Jee
- Departments of Pharmaceutical Sciences, Faculty of Pharmacy (S.C.S., J.U.) and Pharmacology and Toxicology, Temerty Faculty of Medicine (A.J., J.U.), University of Toronto, Toronto, Ontario; and Institute for Research in Immunology and Cancer (É.B., P.T.) and Department of Chemistry (P.T.), University of Montreal, Montreal, Quebec
| | - Jack Uetrecht
- Departments of Pharmaceutical Sciences, Faculty of Pharmacy (S.C.S., J.U.) and Pharmacology and Toxicology, Temerty Faculty of Medicine (A.J., J.U.), University of Toronto, Toronto, Ontario; and Institute for Research in Immunology and Cancer (É.B., P.T.) and Department of Chemistry (P.T.), University of Montreal, Montreal, Quebec
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Zou L, Yang K, Yu Y, Wang C, Zhao J, Lu C, He D. Analysis of joint protein expression profile in anterior disc displacement of TMJ with or without OA. Oral Dis 2024. [PMID: 38251222 DOI: 10.1111/odi.14871] [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: 08/11/2023] [Revised: 12/09/2023] [Accepted: 01/07/2024] [Indexed: 01/23/2024]
Abstract
OBJECTIVE Anterior disc displacement (ADD) is a common clinical issue and may cause osteoarthritis (OA). However, the research of protein changes in synovial fluid as disease development marker and potential treatment clue is still insufficient. MATERIALS AND METHODS We conducted the high-resolution mass spectrometry (MS) of synovial fluid collected from 60 patients with normal disk position to ADD and ADD with osteoarthritis (OA). The proteins with significant changes among the 3 groups were analyzed by biological information and further validated by in primary rat condyle chondrocytes and OA animal model. RESULTS FGL2, THBS4, TNC, FN1, OMD etc. were significantly increased in ADD without OA (p < 0.05), which reflected the active extracellular matrix and collagen metabolism. FGFR1, FBLN2, GRB2 etc. were significantly increased in ADD with OA group (p < 0.05), which revealed an association with apoptosis and ferroptosis. Proteins such as P4HB, CBLN4, FHL1, VIM continuously increase in the whole disease progress (p < 0.05). Both the in vitro and in vivo results are consistent with protein changes detected in MS profile. CONCLUSION This study firstly provides the expression changes of proteins from normal disc condyle relationship toward ADD with OA, which can be selected and studied further as disease progress marker and potential treatment targets.
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Affiliation(s)
- Luxiang Zou
- Department of Oral Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
- National Clinical Research Center of Stomatology, Shanghai, China
| | - Kaiwen Yang
- Department of Oral Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
- National Clinical Research Center of Stomatology, Shanghai, China
| | - Yeke Yu
- Department of Oral Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
- National Clinical Research Center of Stomatology, Shanghai, China
| | - Chuyao Wang
- Department of Oral Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
- National Clinical Research Center of Stomatology, Shanghai, China
| | - Jieyun Zhao
- Department of Oral Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
- National Clinical Research Center of Stomatology, Shanghai, China
| | - Chuan Lu
- Department of Oral Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
- National Clinical Research Center of Stomatology, Shanghai, China
| | - Dongmei He
- Department of Oral Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Shanghai, China
- National Clinical Research Center of Stomatology, Shanghai, China
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