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Wu B, Zhou D, Mei Z. Targeting the neurovascular unit: Therapeutic potential of traditional Chinese medicine for the treatment of stroke. Heliyon 2024; 10:e38200. [PMID: 39386825 PMCID: PMC11462356 DOI: 10.1016/j.heliyon.2024.e38200] [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: 02/26/2023] [Revised: 09/19/2024] [Accepted: 09/19/2024] [Indexed: 10/12/2024] Open
Abstract
Stroke poses a significant global health challenge due to its elevated disability and mortality rates, particularly affecting developing nations like China. The neurovascular unit (NVU), a new concept encompassing neurons, brain microvascular endothelial cells, pericytes, astrocytes, microglia, and the extracellular matrix, has gained prominence in recent years. Traditional Chinese medicine (TCM), deeply rooted in Chinese history, employs a combination of acupuncture and herbal treatments, demonstrating significant efficacy across all stages of stroke, notably during recovery. The holistic approach of TCM aligns with the NVU's comprehensive view of treating stroke by addressing neurons, surrounding cells, and blood vessels collectively. This review examines the role of NVU in stroke and endeavors to elucidate the mechanisms through which traditional Chinese medicine exerts its anti-stroke effects within the NVU framework. The NVU contributes to neuroinflammation, immune infiltration, blood-brain barrier permeability, oxidative stress, and Ca2+ overload during stroke occurs. Additionally, TCM targeting the NVU facilitates nerve repair post-stroke through various pathways and approaches. Specific herbs, including panax notoginseng, ginseng, and borneol, alleviate brain injury by enhancing brain-derived neurotrophic factor expression and targeting astrocytes and microglia to yield anti-inflammatory and antioxidant effects. Acupuncture, another facet of TCM, promotes brain injury repair by augmenting cerebral blood flow and improving circulation. This exploration aims to assess the viability of stroke treatment by directing TCM interventions toward the NVU, thus paving the way for its broader clinical application.
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Affiliation(s)
- Bingxin Wu
- Hubei Provincial Hospital of Integrated Traditional Chinese and Western Medicine, Wuhan, Hubei, 430000, China
| | - Dabiao Zhou
- Hubei Provincial Hospital of Integrated Traditional Chinese and Western Medicine, Wuhan, Hubei, 430000, China
| | - Zhigang Mei
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, College of Integrated Traditional Chinese Medicine and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China
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2
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Quist M, van Os M, van Laake LW, Bovenschen N, Crnko S. Integration of circadian rhythms and immunotherapy for enhanced precision in brain cancer treatment. EBioMedicine 2024; 109:105395. [PMID: 39413708 DOI: 10.1016/j.ebiom.2024.105395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2024] [Revised: 09/26/2024] [Accepted: 09/27/2024] [Indexed: 10/18/2024] Open
Abstract
Circadian rhythms significantly impact (patho)physiological processes, with disruptions linked to neurodegenerative diseases and heightened cancer vulnerability. While immunotherapy has shown promise in treating various cancers, its efficacy in brain malignancies remains limited. This review explores the nexus of circadian rhythms and immunotherapy in brain cancer treatment, emphasising precision through alignment with the body's internal clock. We evaluate circadian regulation of immune responses, including cell localisation and functional phenotype, and discuss how circadian dysregulation affects anti-cancer immunity. Additionally, we analyse and assess the effectiveness of current immunotherapeutic approaches for brain cancer including immune checkpoint blockades, adoptive cellular therapies, and other novel strategies. Future directions, such as chronotherapy and personalised treatment schedules, are proposed to optimise immunotherapy precision against brain cancers. Overall, this review provides an understanding of the often-overlooked role of circadian rhythms in brain cancer and suggests avenues for improving immunotherapeutic outcomes.
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Affiliation(s)
- Matthias Quist
- Department of Pathology, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Maas van Os
- Department of Pathology, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Linda W van Laake
- Department of Cardiology, Experimental Cardiology Laboratory, University Medical Centre Utrecht, Utrecht, the Netherlands; Regenerative Medicine Centre and Circulatory Health Research Centre, University Medical Centre Utrecht, Utrecht, the Netherlands
| | - Niels Bovenschen
- Department of Pathology, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands; Centre for Translational Immunology, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Sandra Crnko
- Department of Pathology, University Medical Centre Utrecht, Utrecht University, Utrecht, the Netherlands.
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3
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Cheng X, Tan Y, Li H, Zhang Z, Hui S, Zhang Z, Peng W. Mechanistic Insights and Potential Therapeutic Implications of NRF2 in Diabetic Encephalopathy. Mol Neurobiol 2024; 61:8253-8278. [PMID: 38483656 DOI: 10.1007/s12035-024-04097-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 03/04/2024] [Indexed: 09/21/2024]
Abstract
Diabetic encephalopathy (DE) is a complication of diabetes, especially type 2 diabetes (T2D), characterized by damage in the central nervous system and cognitive impairment, which has gained global attention. Despite the extensive research aimed at enhancing our understanding of DE, the underlying mechanism of occurrence and development of DE has not been established. Mounting evidence has demonstrated a close correlation between DE and various factors, such as Alzheimer's disease-like pathological changes, insulin resistance, inflammation, and oxidative stress. Of interest, nuclear factor erythroid 2-related factor 2 (NRF2) is a transcription factor with antioxidant properties that is crucial in maintaining redox homeostasis and regulating inflammatory responses. The activation and regulatory mechanisms of NRF2 are a relatively complex process. NRF2 is involved in the regulation of multiple metabolic pathways and confers neuroprotective functions. Multiple studies have provided evidence demonstrating the significant involvement of NRF2 as a critical transcription factor in the progression of DE. Additionally, various molecules capable of activating NRF2 expression have shown potential in ameliorating DE. Therefore, it is intriguing to consider NRF2 as a potential target for the treatment of DE. In this review, we aim to shed light on the role and the possible underlying mechanism of NRF2 in DE. Furthermore, we provide an overview of the current research landscape and address the challenges associated with using NRF2 activators as potential treatment options for DE.
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Affiliation(s)
- Xin Cheng
- Department of Integrated Traditional Chinese & Western Medicine, The Second Xiangya Hospital, Central South University, No.139 Middle Renmin Road, Changsha, Hunan, 410011, People's Republic of China
- National Clinical Research Center for Mental Disorder, Changsha, 410011, China
| | - Yejun Tan
- School of Mathematics, University of Minnesota, Twin Cities, Minneapolis, MN, USA
| | - Hongli Li
- Department of Integrated Traditional Chinese & Western Medicine, The Second Xiangya Hospital, Central South University, No.139 Middle Renmin Road, Changsha, Hunan, 410011, People's Republic of China
- National Clinical Research Center for Mental Disorder, Changsha, 410011, China
| | - Zhen Zhang
- YangSheng College of Traditional Chinese Medicine, Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, Guizhou, China
| | - Shan Hui
- Department of Geratology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, 410005, China
| | - Zheyu Zhang
- Department of Integrated Traditional Chinese & Western Medicine, The Second Xiangya Hospital, Central South University, No.139 Middle Renmin Road, Changsha, Hunan, 410011, People's Republic of China.
- National Clinical Research Center for Mental Disorder, Changsha, 410011, China.
| | - Weijun Peng
- Department of Integrated Traditional Chinese & Western Medicine, The Second Xiangya Hospital, Central South University, No.139 Middle Renmin Road, Changsha, Hunan, 410011, People's Republic of China.
- National Clinical Research Center for Mental Disorder, Changsha, 410011, China.
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4
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Moyen Uddin Pk M, O'Sullivan J, Sayful Islam M, Shahangir Biswas M, Arbia L, Pervin R, Rahman M. Investigating the Anticancer Effects of Pleurotus ostreatus Polysaccharide on G0/G1 Cell Cycle Arrest and Apoptosis in Ehrlich Ascites Carcinoma Cells. Chem Biodivers 2024; 21:e202400897. [PMID: 38970566 DOI: 10.1002/cbdv.202400897] [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: 04/11/2024] [Revised: 07/04/2024] [Accepted: 07/05/2024] [Indexed: 07/08/2024]
Abstract
Cancer is one of the leading causes of mortality worldwide. Despite the advancement of cancer treatment by various means including surgery, chemotherapy etc, cancer is still a challenging disease to manage. This study was undertaken to investigate extraction, purification, structural elucidation, and the potential anti-cancer effects of Pleurotus ostreatus polysaccharide (POP). The anti-cancer activities were performed on the Ehrlich Ascites Carcinoma Cell Line. The results demonstrated that the MW of POP was154649.8 Da with homopolysaccharide composed of D-glucose units, featuring (1→6)-α-D-Glcp backbone with O-6 branches and T-α-D-Glcp terminations. and the yield was 6.27 %. The antitumor activity assessment demonstrated significant cytotoxicity of POP against Ehrlich Ascites Carcinoma (EAC) cells, with an IC50 of 121.801 μg mL, supported by LDH release analysis. POP inhibited cell migration, invasion, and colony formation, indicating its potential as an anti-cancer agent. POP elicited the apoptotic activity with the upregulation of Caspase-9 and Bax, and downregulation of Bcl-2. The DNA fragmentation assay further confirmed apoptosis-mediated DNA degradations. Additionally, POP-induced cell cycle arrest at the G0/G1 phase, by altering the expression of p53, Cyclin D, and Cdk4 proteins. So, Pleurotus ostreatus polysaccharide (POP) showed significant cytotoxicity on Ehrlich Ascites Carcinoma cells, indicating potential as an anti-cancer agent.
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Affiliation(s)
- Md Moyen Uddin Pk
- Institute of Biological Sciences, Rajshahi University, Rajshahi-6205, Bangladesh
| | - Jane O'Sullivan
- Department of Anaesthesiology and Critical Care, Tallaght University Hospital, Dublin, Ireland
| | - Mohammad Sayful Islam
- Department of Pharmacy, Mawlana Bhashani Science and Technology University, Tangail-1902, Bangladesh
| | - Mohammad Shahangir Biswas
- Department of Biochemistry and Biotechnology, Khwaja Yunus Ali University, Sirajganj, 6751, Bangladesh
| | - Lubatul Arbia
- Department of Biochemistry & Molecular Biology, Primeasia University, Dhaka-1213, Bangladesh
| | - Rumana Pervin
- Department of Biochemistry & Molecular Biology, University of Rajshahi, Rajshahi-6205, Bangladesh
| | - Matiar Rahman
- Department of Biochemistry & Molecular Biology, University of Rajshahi, Rajshahi-6205, Bangladesh
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Ruivo J, Tavares I, Pozza DH. Molecular targets in bone cancer pain: a systematic review of inflammatory cytokines. J Mol Med (Berl) 2024; 102:1063-1088. [PMID: 38940936 PMCID: PMC11358194 DOI: 10.1007/s00109-024-02464-2] [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: 03/14/2024] [Revised: 06/06/2024] [Accepted: 06/20/2024] [Indexed: 06/29/2024]
Abstract
Bone cancer pain (BCP) profoundly impacts patient's quality of life, demanding more effective pain management strategies. The aim of this systematic review was to investigate the role of inflammatory cytokines as potential molecular targets in BCP. A systematic search for animal rodent models of bone cancer pain studies was conducted in PubMed, Scopus, and Web of Science. Methodological quality and risk of bias were assessed using the SYRCLE RoB tool. Twenty-five articles met the inclusion criteria, comprising animal studies investigating molecular targets related to inflammatory cytokines in BCP. A low to moderate risk of bias was reported. Key findings in 23 manuscripts revealed upregulated classic pro-inflammatory cytokines (TNF-α, IL-1β, IL-6, IL-17, IL-18, IL-33) and chemokines in the spinal cord, periaqueductal gray, and dorsal root ganglia. Interventions targeting these cytokines consistently mitigated pain behaviors. Additionally, it was demonstrated that glial cells, due to their involvement in the release of inflammatory cytokines, emerged as significant contributors to BCP. This systematic review underscores the significance of inflammatory cytokines as potential molecular targets for alleviating BCP. It emphasizes the promise of targeted interventions and advocates for further research to translate these findings into effective therapeutic strategies. Ultimately, this approach holds the potential to enhance the patient's quality of life.
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Affiliation(s)
- Jacinta Ruivo
- Experimental Biology Unit, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, 4200-319, Porto, Portugal
| | - Isaura Tavares
- Experimental Biology Unit, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, 4200-319, Porto, Portugal
- Institute for Research and Innovation in Health and IBMC, University of Porto, 4200-135, Porto, Portugal
| | - Daniel H Pozza
- Experimental Biology Unit, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, 4200-319, Porto, Portugal.
- Institute for Research and Innovation in Health and IBMC, University of Porto, 4200-135, Porto, Portugal.
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6
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Navabi SP, Badreh F, Khombi Shooshtari M, Hajipour S, Moradi Vastegani S, Khoshnam SE. Microglia-induced neuroinflammation in hippocampal neurogenesis following traumatic brain injury. Heliyon 2024; 10:e35869. [PMID: 39220913 PMCID: PMC11365414 DOI: 10.1016/j.heliyon.2024.e35869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 07/25/2024] [Accepted: 08/05/2024] [Indexed: 09/04/2024] Open
Abstract
Traumatic brain injury (TBI) is one of the most causes of death and disability among people, leading to a wide range of neurological deficits. The important process of neurogenesis in the hippocampus, which includes the production, maturation and integration of new neurons, is affected by TBI due to microglia activation and the inflammatory response. During brain development, microglia are involved in forming or removing synapses, regulating the number of neurons, and repairing damage. However, in response to injury, activated microglia release a variety of pro-inflammatory cytokines, chemokines and other neurotoxic mediators that exacerbate post-TBI injury. These microglia-related changes can negatively affect hippocampal neurogenesis and disrupt learning and memory processes. To date, the intracellular signaling pathways that trigger microglia activation following TBI, as well as the effects of microglia on hippocampal neurogenesis, are poorly understood. In this review article, we discuss the effects of microglia-induced neuroinflammation on hippocampal neurogenesis following TBI, as well as the intracellular signaling pathways of microglia activation.
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Affiliation(s)
- Seyedeh Parisa Navabi
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | | | - Maryam Khombi Shooshtari
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Somayeh Hajipour
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Sadegh Moradi Vastegani
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Seyed Esmaeil Khoshnam
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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7
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Kim JS, Kim MH, Kim MJ, Kim HJ. Licochalcone A attenuates NMDA-induced neurotoxicity. Anim Cells Syst (Seoul) 2024; 28:392-400. [PMID: 39139398 PMCID: PMC11321100 DOI: 10.1080/19768354.2024.2389823] [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: 01/16/2024] [Revised: 07/03/2024] [Accepted: 08/01/2024] [Indexed: 08/15/2024] Open
Abstract
This study investigates the effect of Licochalcone A (Lico-A), a flavonoid from licorice roots known for its anti-inflammatory, anti-cancer, and antioxidant properties, on NMDA-induced neurotoxicity in primary cultured rat hippocampal neurons. The study measured cell survival following NMDA and Lico-A exposure, revealing that Lico-A at a 2.5 μg/ml significantly improved cell viability, countering the detrimental effects of NMDA. The study also analyzed synaptic changes by examining both postsynaptic density 95 (PSD95) and synaptophysin-targeted imaging, showing that Lico-A treatment resulted in a significant increase in synaptic puncta, contrasting with the reduction observed under NMDA exposure. Furthermore, levels of phosphorylated mixed lineage kinase domain-like pseudokinase (P-MLKL) and phosphorylated receptor-interacting serine/threonine-protein kinase 3 (P-RIP3), key necroptosis regulators, were measured using Western blotting. The results showed an increase in P-MLKL and P-RIP3 in neurons exposed to NMDA, which was reduced following Lico-A treatment. The response of astrocyte and microglia was also evaluated by immunostaining for glial fibrillary acidic protein (GFAP), ionized calcium-binding adaptor molecule 1 (IBA-1) and tumor necrosis factor alpha (TNF-α). These markers exhibited heightened expression in the NMDA group, which was substantially reduced by Lico-A treatment. These findings suggest that Lico-A has neuroprotective effects against NMDA-induced neurotoxicity, potentially contributing to synaptic preservation, inhibition of neuronal necroptosis, and modulation of glial activation. Therefore, Lico-A shows promise as a neuroprotective agent for conditions associated with NMDA-related neurotoxicity.
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Affiliation(s)
- Jae Soo Kim
- Department of Medical Laser, Graduate School, Dankook University, Cheonan, Republic of Korea
| | - Mi-Hye Kim
- Department of Medical Laser, Graduate School, Dankook University, Cheonan, Republic of Korea
| | - Myeung Ju Kim
- Department of Anatomy, Dankook University College of Medicine, Cheonan, Republic of Korea
| | - Hee Jung Kim
- Department of Physiology, College of Medicine, Center for Human Risk Assessment, Dankook University, Cheonan, Republic of Korea
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8
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Zang W, Zou Q, Xiao N, Fang M, Wang S, Chen J. A methodological and reporting quality assessment of systematic reviews/meta-analyses on exercise interventions for cognitive function in older adults with mild cognitive impairment. PeerJ 2024; 12:e17773. [PMID: 39071117 PMCID: PMC11283171 DOI: 10.7717/peerj.17773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Accepted: 06/28/2024] [Indexed: 07/30/2024] Open
Abstract
Objective To assess the methodological quality of meta-analytic literature on exercise interventions for cognitive function in patients with mild cognitive impairment (MCI) and the certainty of evidence for its outcome indicators, and to provide clinicians and researchers with more reliable data for making decisions. Methods Meta-analytic literature related to the effect of exercise intervention on cognitive function in patients with mild cognitive impairment was searched through PubMed, Cochrane Library, Embase, Scopus, Physiotherapy Evidence Database and Web of Science, all with a search period frame of each database until June 1, 2024. The AMSTAR2 scale was used to evaluate the methodological quality of the included studies. Results Seventeen meta-analyses were included. The AMSTAR2 scale evaluation results showed that there was one medium-quality studies (5.55%), seven low-quality studies (38.88%), and 10 very low-quality studies (55.55%). Methodological deficiencies included failure to prepare a plan and provide a registration number, literature screening, data extraction, reasons for exclusion not described in detail, poor implementation process for systematic evaluation, and failure to describe the source of funding for the included studies or relevant conflicts of interest. Conclusion The overall methodological quality of the meta-analytic literature is low, and the certainty of evidence is low. We encourage the conduction of high-quality randomized trials to generate stronger evidence. Subsequent systematic reviews can then synthesize this evidence to inform future research and clinical guidelines.
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Affiliation(s)
| | - Qinghai Zou
- Physical Education Department, Harbin Engineering University, Harbin, China
| | - Ningkun Xiao
- Department of Psychology, Ural Federal University, Yekaterinburg, Russia
| | - Mingqing Fang
- Xiangya Hospital, Central South University, Changsha, China
| | - Su Wang
- Harbin Sport University, Harbin, China
| | - Jingjing Chen
- School of Basic Medicine, Changchun University of Chinese Medicine, Jilin, China
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Bhat SS, Kulkarni SR, Uttarkar A, Niranjan V. Computational Insights into Papaveroline as an In Silico Drug Candidate for Alzheimer's Disease via Fyn Tyrosine Kinase Inhibition. Mol Biotechnol 2024:10.1007/s12033-024-01236-0. [PMID: 39004678 DOI: 10.1007/s12033-024-01236-0] [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: 12/06/2023] [Accepted: 06/25/2024] [Indexed: 07/16/2024]
Abstract
Alzheimer's disease (AD) poses a significant global health challenge, necessitating the exploration of novel therapeutic strategies. Fyn Tyrosine Kinase has emerged as a key player in AD pathogenesis, making it an attractive target for drug development. This study focuses on investigating the potential of Papaveroline as a drug candidate for AD by targeting Fyn Tyrosine Kinase. The research employed high-throughput virtual screening and QSAR analysis were conducted to identify compounds with optimal drug-like properties, emphasizing adherence to ADMET parameters for further evaluation. Molecular dynamics simulations to analyze the binding interactions between Papaveroline and Staurosporine with Fyn Tyrosine Kinase over a 200-ns period. The study revealed detailed insights into the binding mechanisms and stability of the Papaveroline-Fyn complex, showcasing the compound's potential as an inhibitor of Fyn Tyrosine Kinase. Comparative analysis with natural compounds and a reference compound highlighted Papaveroline's unique characteristics and promising therapeutic implications for AD treatment. Overall, the findings underscore Papaveroline's potential as a valuable drug candidate for targeting Fyn Tyrosine Kinase in AD therapy, offering new avenues for drug discovery in neurodegenerative diseases. This study contributes to advancing our understanding of molecular interactions in AD pathogenesis and paves the way for further research and development in this critical area.
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Affiliation(s)
- Shreya Satyanarayan Bhat
- Department of Biotechnology, R V College of Engineering (Affiliated to Visvesvaraya Technological University, Belagavi 590018), Bangalore, 560059, India
| | - Spoorthi R Kulkarni
- Department of Biotechnology, R V College of Engineering (Affiliated to Visvesvaraya Technological University, Belagavi 590018), Bangalore, 560059, India
| | - Akshay Uttarkar
- Department of Biotechnology, R V College of Engineering (Affiliated to Visvesvaraya Technological University, Belagavi 590018), Bangalore, 560059, India
| | - Vidya Niranjan
- Department of Biotechnology, R V College of Engineering (Affiliated to Visvesvaraya Technological University, Belagavi 590018), Bangalore, 560059, India.
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10
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Li D, Liu C, Wang H, Li Y, Wang Y, An S, Sun S. The Role of Neuromodulation and Potential Mechanism in Regulating Heterotopic Ossification. Neurochem Res 2024; 49:1628-1642. [PMID: 38416374 DOI: 10.1007/s11064-024-04118-8] [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: 11/03/2023] [Revised: 01/17/2024] [Accepted: 01/28/2024] [Indexed: 02/29/2024]
Abstract
Heterotopic ossification (HO) is a pathological process characterized by the aberrant formation of bone in muscles and soft tissues. It is commonly triggered by traumatic brain injury, spinal cord injury, and burns. Despite a wide range of evidence underscoring the significance of neurogenic signals in proper bone remodeling, a clear understanding of HO induced by nerve injury remains rudimentary. Recent studies suggest that injury to the nervous system can activate various signaling pathways, such as TGF-β, leading to neurogenic HO through the release of neurotrophins. These pathophysiological changes lay a robust groundwork for the prevention and treatment of HO. In this review, we collected evidence to elucidate the mechanisms underlying the pathogenesis of HO related to nerve injury, aiming to enhance our understanding of how neurological repair processes can culminate in HO.
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Affiliation(s)
- Dengju Li
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
- Shandong First Medical University, Jinan, Shandong, China
| | - Changxing Liu
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
| | - Haojue Wang
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
| | - Yunfeng Li
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Yaqi Wang
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Senbo An
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China.
- Shandong First Medical University, Jinan, Shandong, China.
| | - Shui Sun
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China.
- Shandong First Medical University, Jinan, Shandong, China.
- Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China.
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11
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LaRowe LR, Williams DM. Activity-Induced Pain as a Predictor of Sedentary Behavior Among Midlife Adults. RESEARCH QUARTERLY FOR EXERCISE AND SPORT 2024; 95:391-397. [PMID: 37466695 DOI: 10.1080/02701367.2023.2222783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 05/24/2023] [Indexed: 07/20/2023]
Abstract
Purpose: Midlife adults have been estimated to spend over half of their waking time engaging in sedentary behavior, and greater sedentary behavior has been associated with a reduced likelihood of successful aging. Moreover, more than one-quarter of midlife adults report chronic pain, and there is reason to believe that pain may contribute to sedentary behavior among this population. The goal of these analyses was to test associations between self-reported increases in pain during activity and subsequent sedentary behavior among a sample of midlife adults with chronic pain. Methods: Participants included 200 midlife adults (age 50-64) who reported chronic pain and completed an online prospective survey. Activity-induced pain was assessed at baseline and total time spent engaging in sedentary behavior was assessed at baseline, 1-week, and 4-week follow-up assessments. Results: Activity-induced pain predicted greater sedentary behavior at 1-week (p < .05) and 4-week (p < .01) follow-up assessments, even after controlling for chronic pain intensity and baseline sedentary behavior. Conclusions: Activity-induced pain may represent an important mechanism underlying sedentary behavior among midlife adults with chronic pain, and programs designed to reduce sedentary behavior among this population may benefit from tailoring to account for the antithetical influence of activity-induced pain. Indeed, the current findings suggest that mitigating the extent to which pain increases during activity may be more important than reducing overall pain intensity when attempting to decrease sedentary behavior among this population. This and future work have the potential to inform the refinement of tailored interventions.
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12
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Muhamad NA, Masutani K, Furukawa S, Yuri S, Toriyama M, Matsumoto C, Itoh S, Shinagawa Y, Isotani A, Toriyama M, Itoh H. Astrocyte-Specific Inhibition of the Primary Cilium Suppresses C3 Expression in Reactive Astrocyte. Cell Mol Neurobiol 2024; 44:48. [PMID: 38822888 PMCID: PMC11144130 DOI: 10.1007/s10571-024-01482-5] [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: 11/02/2023] [Accepted: 05/21/2024] [Indexed: 06/03/2024]
Abstract
C3-positive reactive astrocytes play a neurotoxic role in various neurodegenerative diseases. However, the mechanisms controlling C3-positive reactive astrocyte induction are largely unknown. We found that the length of the primary cilium, a cellular organelle that receives extracellular signals was increased in C3-positive reactive astrocytes, and the loss or shortening of primary cilium decreased the count of C3-positive reactive astrocytes. Pharmacological experiments suggested that Ca2+ signalling may synergistically promote C3 expression in reactive astrocytes. Conditional knockout (cKO) mice that specifically inhibit primary cilium formation in astrocytes upon drug stimulation exhibited a reduction in the proportions of C3-positive reactive astrocytes and apoptotic cells in the brain even after the injection of lipopolysaccharide (LPS). Additionally, the novel object recognition (NOR) score observed in the cKO mice was higher than that observed in the neuroinflammation model mice. These results suggest that the primary cilium in astrocytes positively regulates C3 expression. We propose that regulating astrocyte-specific primary cilium signalling may be a novel strategy for the suppression of neuroinflammation.
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Affiliation(s)
- Nor Atiqah Muhamad
- Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5, Takayama Cho, Ikoma, Nara, 630-0192, Japan
| | - Kohei Masutani
- Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5, Takayama Cho, Ikoma, Nara, 630-0192, Japan
| | - Shota Furukawa
- Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5, Takayama Cho, Ikoma, Nara, 630-0192, Japan
| | - Shunsuke Yuri
- Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5, Takayama Cho, Ikoma, Nara, 630-0192, Japan
| | - Michinori Toriyama
- Department of Biomedical Chemistry, School of Science and Technology, Kwansei Gakuin University, 1 Gakuenuegahara, Sanda, Hyogo, 669-1330, Japan
| | - Chuya Matsumoto
- Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5, Takayama Cho, Ikoma, Nara, 630-0192, Japan
| | - Seiya Itoh
- Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5, Takayama Cho, Ikoma, Nara, 630-0192, Japan
| | - Yuichiro Shinagawa
- Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5, Takayama Cho, Ikoma, Nara, 630-0192, Japan
| | - Ayako Isotani
- Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5, Takayama Cho, Ikoma, Nara, 630-0192, Japan
| | - Manami Toriyama
- Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5, Takayama Cho, Ikoma, Nara, 630-0192, Japan.
| | - Hiroshi Itoh
- Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5, Takayama Cho, Ikoma, Nara, 630-0192, Japan.
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Revilla-González G, Varela LM, Ruiz de Azua-López Z, Amaya-Villar R, Pezzotti MR, Castro MJ, Ureña J, González-Montelongo MDC, Castellano A. Changes in Adhesion and the Expression of Adhesion Molecules in PBMCs after Aneurysmal Subarachnoid Hemorrhage: Relation to Cerebral Vasospasm. Transl Stroke Res 2024; 15:378-387. [PMID: 36814009 PMCID: PMC10891186 DOI: 10.1007/s12975-023-01136-6] [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: 11/29/2022] [Revised: 01/17/2023] [Accepted: 01/31/2023] [Indexed: 02/24/2023]
Abstract
Aneurysmal subarachnoid hemorrhage (aSAH) is a neurovascular disease produced by extravasation of blood to the subarachnoid space after rupture of the cerebral vessels. After bleeding, the immune response is activated. The role of peripheral blood mononuclear cells (PBMCs) in this response is a current subject of research. We have analysed the changes in PBMCs of patients with aSAH and their interaction with the endothelium, focusing on their adhesion and the expression of adhesion molecules. Using an in vitro adhesion assay, we observed that the adhesion of PBMCs of patients with aSAH is increased. Flow cytometry analysis shows that monocytes increased significantly in patients, especially in those who developed vasospasm (VSP). In aSAH patients, the expression of CD162, CD49d, CD62L and CD11a in T lymphocytes and of CD62L in monocytes increased. However, the expression of CD162, CD43, and CD11a decreased in monocytes. Furthermore, monocytes from patients who developed arteriographic VSP had lower expression of CD62L. In conclusion, our results confirm that after aSAH, monocyte count and adhesion of PBMCs increase, especially in patients with VSP, and that the expression of several adhesion molecules is altered. These observations can help predict VSP and to improve the treatment of this pathology.
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Affiliation(s)
- Gonzalo Revilla-González
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Dpto. Fisiología Médica y Biofísica, Facultad de Medicina, Universidad de Sevilla, Sevilla, Spain
| | - Lourdes María Varela
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Dpto. Fisiología Médica y Biofísica, Facultad de Medicina, Universidad de Sevilla, Sevilla, Spain
| | - Zaida Ruiz de Azua-López
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- UGC de Cuidados Intensivos, Hospital Universitario Virgen del Rocío, Sevilla, Spain
| | - Rosario Amaya-Villar
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- UGC de Cuidados Intensivos, Hospital Universitario Virgen del Rocío, Sevilla, Spain
| | - María Rosa Pezzotti
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Dpto. Fisiología Médica y Biofísica, Facultad de Medicina, Universidad de Sevilla, Sevilla, Spain
| | - María José Castro
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
| | - Juan Ureña
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
- Dpto. Fisiología Médica y Biofísica, Facultad de Medicina, Universidad de Sevilla, Sevilla, Spain
| | - María Del Carmen González-Montelongo
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain.
- Dpto. Fisiología Médica y Biofísica, Facultad de Medicina, Universidad de Sevilla, Sevilla, Spain.
- Unidad de Investigación, Instituto de Investigación e Innovación Biomédica de Cádiz (INiBICA), Hospital Universitario Puerta del Mar, Cádiz, Spain.
| | - Antonio Castellano
- Instituto de Biomedicina de Sevilla (IBiS), Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain.
- Dpto. Fisiología Médica y Biofísica, Facultad de Medicina, Universidad de Sevilla, Sevilla, Spain.
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Huang J, Wang XS, Gao T, Wang X, Yu MY, Song HX, Wang BY, Li LM, Zeng Q, Zhang HN. Astrocyte KDM4A mediates chemokines and drives neutrophil infiltration to aggravate cerebral ischemia and reperfusion injury. J Cereb Blood Flow Metab 2024; 44:491-507. [PMID: 38008899 PMCID: PMC10981400 DOI: 10.1177/0271678x231216158] [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: 01/26/2023] [Revised: 08/07/2023] [Accepted: 10/16/2023] [Indexed: 11/28/2023]
Abstract
Neutrophils plays a crucial role in acute ischemic brain injury and have emerged as potential treatment targets to mitigate such injuries. Lysine-specific demethylase 4 A (KDM4A), a member of the histone lysine demethylase family of enzymes involved in transcriptional regulation of gene expression, is upregulated during hypoxic events. However, the exact role of KDM4A in the pathological process of ischemic stroke remains largely unexplored. Our findings reveal that there was an upregulation of KDM4A levels in reactive astrocytes within both stroke mouse models and in vitro oxygen-glucose deprivation/regeneration (OGD/R) models. Using a conditional knockout mouse, we observed that astrocytic Kdm4a knockout regulates neutrophil infiltration and alleviates brain injury following middle cerebral artery occlusion reperfusion. Furthermore, Kdm4a deficiency astrocytes displayed lower chemokine C-X-C motif ligand 1 (CXCL1) level upon OGD/R and decreased neutrophil infiltration in a transwell system. Mechanistically, KDM4A, in cooperation with nuclear factor-kappa B (NF-κB), activates Cxcl1 gene expression by demethylating histone H3 lysine 9 trimethylation at Cxcl1 gene promoters in astrocytes upon OGD/R injury. Our findings suggest that astrocyte KDM4A-mediated Cxcl1 activation contributes to neutrophil infiltration via cooperation with NF-κB, and KDM4A in astrocytes may serve as a potential therapeutic target to modulate neutrophil infiltration after stroke.
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Affiliation(s)
- Jing Huang
- Department of Health Management, Second Affiliated Hospital, Fourth Military Medical University, Xi’an, China
- Department of Neurology, Second Affiliated Hospital, Fourth Military Medical University, Xi’an, China
- Health Management Institute, Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese People's Liberation Army General Hospital, Beijing, China
| | - Xin-Shang Wang
- Department of Pharmacology, School of Pharmacy, Fourth Military Medical University, Xi'an, China
| | - Tian Gao
- Department of Health Management, Second Affiliated Hospital, Fourth Military Medical University, Xi’an, China
| | - Xing Wang
- Department of Health Management, Second Affiliated Hospital, Fourth Military Medical University, Xi’an, China
| | - Man-Yang Yu
- Department of Health Management, Second Affiliated Hospital, Fourth Military Medical University, Xi’an, China
| | - Hao-Xin Song
- Department of Health Management, Second Affiliated Hospital, Fourth Military Medical University, Xi’an, China
| | - Bi-Yan Wang
- Department of Health Management, Second Affiliated Hospital, Fourth Military Medical University, Xi’an, China
| | - Ling-Mei Li
- Department of Health Management, Second Affiliated Hospital, Fourth Military Medical University, Xi’an, China
| | - Qiang Zeng
- Health Management Institute, Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese People's Liberation Army General Hospital, Beijing, China
| | - Hui-Nan Zhang
- Department of Health Management, Second Affiliated Hospital, Fourth Military Medical University, Xi’an, China
- Department of Neurology, Second Affiliated Hospital, Fourth Military Medical University, Xi’an, China
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15
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Gao F, Wei M, Wang M, Yang Y, Duan X, Yang L, Sun L. The Role and Mechanism of Spinal NF-κB-CXCL1/CXCR2 in Rats with Nucleus Pulposus-induced Radicular Pain. Spine (Phila Pa 1976) 2024; 49:E87-E99. [PMID: 38098294 PMCID: PMC10927303 DOI: 10.1097/brs.0000000000004899] [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: 09/07/2023] [Accepted: 11/27/2023] [Indexed: 03/13/2024]
Abstract
STUDY DESIGN Experimental study of the role and mechanism of spinal NFκB-CXCL1/CXCR2 in rats with nucleus pulposus-induced radicular pain. OBJECTIVE This study investigated the role and mechanism of spinal NFκB-CXCL1/CXCR2 in autologous nucleus pulposus-induced pain behavior in rats and to clarify the involvement and regulation of spinal NFκB as an upstream molecule of CXCL1 in autologous nucleus pulposus-induced radicular pain in rats. SUMMARY OF BACKGROUND DATA The inflammatory response of nerve roots is an important mechanism for the occurrence of chronic pain. NFκB-CXCL1/CXCR2 pathway plays an important role in the development of radicular pain, but its regulatory mechanism in the model of radicular pain induced by autologous nucleus pulposus is still unclear. MATERIALS AND METHODS We established a rat model of autologous medullary nucleus transplantation. We observed and recorded the changes in 50% mechanical withdrawal threshold and thermal withdrawal latency before and after the administration of CXCL1-neutralizing antibodies, CXCR2 inhibitor, and NFκB inhibitor in each group of rats and evaluated the expression of NFκB, CXCL1, and CXCR2 in the spinal dorsal horn using immunofluorescence and Western blot. To compare differences between groups in behavioral testing, analysis of variance was employed. Dunnett's method was used to compare differences at different time points within a group and between different groups at the same time point. A comparison of the relative concentration of protein, relative concentration of mRNA, and semiquantitative data from immunofluorescence staining was conducted utilizing one-way ANOVA and Dunnett's pairwise comparison. RESULTS Autologous nucleus pulposus transplantation can induce radicular pain in rats and upregulate the expression of CXCL1, CXCR2, and NFκB in the spinal cord. CXCL1 is co-expressed with astrocytes, CXCR2 with neurons, and NFκB with both astrocytes and neurons. The application of CXCL1 neutralizing antibodies, CXCR2 inhibitors, and NFκB inhibitors can alleviate pain hypersensitivity induced by autologous nucleus pulposus transplantation in rats. Inhibitors of NFκB could downregulate the expression of CXCL1 and CXCR2. CONCLUSIONS We found that spinal NFκB is involved in NP-induced radicular pain in rats through the activation of CXCL1/CXCR2, enriching the mechanism of medullary-derived radicular pain and providing a possible new target and theoretical basis for the development of more effective anti-inflammatory and analgesic drugs for patients with chronic pain following LDH.
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Affiliation(s)
- Fengjiao Gao
- Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Ming Wei
- Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Meiyue Wang
- Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yongting Yang
- Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Xuan Duan
- Department of Anesthesiology, Guangzhou Panyu Central Hospital, Guangzhou, Guangdong, China
| | - Lin Yang
- Department of Anesthesiology, Guangzhou Panyu Central Hospital, Guangzhou, Guangdong, China
| | - Laibao Sun
- Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
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Dohi A, Noguchi T, Yamashita M, Sasaguri K, Yamamoto T, Mori Y. Acute stress transiently activates macrophages and chemokines in cervical lymph nodes. Immunol Res 2024; 72:212-224. [PMID: 38351242 PMCID: PMC11031481 DOI: 10.1007/s12026-023-09409-w] [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: 03/13/2023] [Accepted: 07/12/2023] [Indexed: 04/20/2024]
Abstract
Acute restraint stress (RS) is routinely used to study the effects of psychological and/or physiological stress. We evaluated the impact of RS on cervical lymph nodes in rats at molecular and cellular levels. Male Sprague-Dawley rats were subjected to stress by immobilization for 30, 60, and 120 min (RS30, RS60, and RS120, respectively) and compared with rats of a no-stress control (C) group. The expression of genes encoding chemokines CXCL1/CXCL2 (Cxcl1 and Cxcl2) and their receptor CXCR2 (Cxcr2) was analyzed using reverse transcription-quantitative PCR (RT-qPCR) and microarray analyses. Immunohistochemistry and in situ hybridization were performed to determine the expression of these proteins and the macrophage biomarker CD68. Microarray analysis revealed that the expression of 514 and 496 genes was upregulated and downregulated, respectively, in the RS30 group. Compared with the C group, the RS30 group exhibited a 23.0-, 13.0-, and 1.6-fold increase in Cxcl1, Cxcl2, and Cxcr2 expression. Gene Ontology analysis revealed the involvement of these three upregulated genes in the cytokine network, inflammation, and leukocyte chemotaxis and migration. RT-qPCR analysis indicated that the mRNA levels of Cxcl1 and Cxcl2 were significantly increased in the RS30 group but were reverted to normal levels in the RS60 and RS120 groups. Cxcr2 mRNA level was significantly increased in the RS30 and RS120 groups compared with that in the C group. RS-induced CXCL1-immunopositive cells corresponded to B/plasma cells, whereas CXCL2-immunopositive cells corresponded to endothelial cells of the high endothelial venules. Stress-induced CXCR2-immunopositive cells corresponded to macrophages. Psychological and/or physiological stress induces an acute stress response and formation of an immunoreactive microenvironment in cervical lymph nodes, with the CXCL1/CXCL2-CXCR2 axis being pivotal in the acute stress response.
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Affiliation(s)
- Akihiro Dohi
- Department of Dentistry, Oral and Maxillofacial Surgery, Jichi Medical University, Tochigi, 329-0498, Japan
| | - Tadahide Noguchi
- Department of Dentistry, Oral and Maxillofacial Surgery, Jichi Medical University, Tochigi, 329-0498, Japan.
| | - Masako Yamashita
- Department of Dentistry, Oral and Maxillofacial Surgery, Jichi Medical University, Tochigi, 329-0498, Japan
| | - Kenichi Sasaguri
- Department of Dentistry, Oral and Maxillofacial Surgery, Jichi Medical University, Tochigi, 329-0498, Japan
| | - Toshiharu Yamamoto
- Brain Functions and Neuroscience Division, Department of Oral Science, Graduate School of Dentistry, Kanagawa Dental University, Yokosuka, Kanagawa, Japan
| | - Yoshiyuki Mori
- Department of Dentistry, Oral and Maxillofacial Surgery, Jichi Medical University, Tochigi, 329-0498, Japan
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Jahromi AS, Erfanian S, Roustazadeh A. Association of OX40L gene polymorphism with multiple sclerosis in Iranians. Heliyon 2024; 10:e27304. [PMID: 38496859 PMCID: PMC10944201 DOI: 10.1016/j.heliyon.2024.e27304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 02/27/2024] [Accepted: 02/27/2024] [Indexed: 03/19/2024] Open
Abstract
Introduction The exact etiology of multiple sclerosis is unknown but recent studies indicated a link between tumor necrosis factor superfamily member 4 and the disease. Polymorphisms located in the regulatory region of the gene may affect its phenotype. Hence, we aimed to investigate the association of promoter polymorphisms of the gene with multiple sclerosis and also to estimate the frequency of haplotypes in the patients and healthy subjects. Methods Two hundred age- and sex-matched subjects including 100 patients and 100 healthy subjects were investigated in the study. Genotype and allele distributions of rs3850641, rs1234313, and rs10912580 polymorphisms in the promoter region of the gene were investigated by polymerase chain reaction-restriction fragment length polymorphism. In addition, haplotype frequencies estimation and linkage disequilibrium analysis were performed by SNPStats web tool. Results The distribution of AA, AG and GG genotypes of rs3850641 was significantly different between the patient and healthy groups (P = 0.009). In addition, frequencies of A and G alleles of rs3850641 were different between the groups (P < 0.001). Also the distribution of rs3850641 genotypes was different between the women of the both groups (P = 0.007). Our analysis revealed that rs3850641 AG (Odds ratio = 0.393, 95 % confidence interval = 0.170-0.907, P = 0.029) and GG (Odds ratio = 0.373, 95 % confidence interval = 0.168-0.830, P = 0.016) genotypes were associated with decreased risk of the disease. However, rs1234313 genotype and allele distributions were not different between the groups. The distribution of rs10912580polymorphism. AA, AG, and GG genotypes was significantly different between the groups (P = 0.007). rs10912580 AG genotype was associated with low risk of the disease (Odds ratio = 0.252, 95 % confidence interval = 0.102-0.623, P = 0.003). The distribution of haplotypes was statistically different between the patient and healthy groups (P < 0.001). A-G-A was the most frequent haplotype among the patients and the estimated frequency was higher than that of the control group (0.5527 versus 0.3739). Conclusion The distribution of rs3850641 and rs10912580 genotypes was different between the patients and healthy subjects. Moreover, rs3850641 AG and GG genotypes and also rs10912580 AG genotype were associated with low risk of the disease in Iranians. Further studies with large groups are recommended to show whether genotype variation in the patients could alter the response to treatment or not.
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Affiliation(s)
- Abdolreza Sotoodeh Jahromi
- Research Center for Non-Communicable Diseases, Jahrom University of Medical Sciences, Jahrom, Iran
- Medical Immunology Department, School of Medicine, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Saiedeh Erfanian
- Department of Biochemistry, School of Medicine, Jahrom University of Medical Sciences, Jahrom, Iran
- Department of Advanced Medical Sciences and Technologies, School of Medicine, Jahrom University of Medical Sciences, Jahrom, Iran
| | - Abazar Roustazadeh
- Research Center for Non-Communicable Diseases, Jahrom University of Medical Sciences, Jahrom, Iran
- Department of Biochemistry, School of Medicine, Jahrom University of Medical Sciences, Jahrom, Iran
- Department of Advanced Medical Sciences and Technologies, School of Medicine, Jahrom University of Medical Sciences, Jahrom, Iran
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Mohammad AR, Hassan ES, Majeed SA. PI3K/AKT and STAT3 pathways mediate the neuroprotective effect of dasatinib from acute cerebral injury in endotoxemic mice. Res Pharm Sci 2024; 19:64-72. [PMID: 39006974 PMCID: PMC11244703 DOI: 10.4103/1735-5362.394821] [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: 12/02/2022] [Revised: 05/13/2023] [Accepted: 12/31/2023] [Indexed: 07/16/2024] Open
Abstract
Background and purpose Sepsis induces brain dysfunction and there is still a requirement for an unemployed viable restorative approach. This study aimed to investigate the role of dasatinib in the modulation of proinflammatory mediators, attenuating neuroinflammatory response, and it's signaling pathway during endotoxemia. Experimental approach Twenty-four adult male Swiss-albino mice were randomized into four groups: sham (undergo laparotomy without cecal ligation and puncture, sepsis (laparotomy with cecal ligation and puncture), vehicle-dimethyl sulfoxide, dasatinib (20 mg/kg/day) intraperitoneally. Brain tissue used for assessment of interleukin (IL)-6, IL-1β, tumor necrosis factor-alpha (TNF-α), IL-10, Toll-like receptor 4 (TLR4), protein kinase B (AKT), phosphoinositide 3-kinases (PI3K), signal transducer and activator of transcription 3 (STAT3), and histopathological examination. Findings/Results Brain tissue levels of TNF-α, IL-6, and IL1 β were higher in the sepsis group than in the sham and vehicle groups. The dasatinib group had considerably lower tissue levels of these markers and significantly higher tissue values of IL-10 than the sepsis and vehicle groups. The sham group had much lower tissue values of TLR4, AKT, STAT3, and PI3k than in sepsis and vehicle groups. Furthermore, tissue levels of these markers in the dasatinib group were considerably lower than those in the sepsis and vehicle groups. Histopathology demonstrated that dasatinib might considerably reduce brain damage and the intensity of neuroinflammation when compared to sepsis and vehicle groups that showed extensive brain inflammation and damage. Conclusion and implication Dasatinib attenuated endotoxemia-induced acute brain damage in mice via modulating effects on TLR4, PI3K, AKT, and STAT3 downstream signaling pathways.
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Affiliation(s)
- Ammar Rasoul Mohammad
- Department of Pharmacology and Therapeutics, Faculty of Medicine, University of Kufa, Najaf, Iraq
| | - Ekhlas Sabah Hassan
- Department of Pharmacology and Therapeutics, Faculty of Medicine, University of Kufa, Najaf, Iraq
| | - Sahar Abdulrudha Majeed
- Department of Pharmacology and Therapeutics, Faculty of Medicine, University of Kufa, Najaf, Iraq
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Zhang T, Liang W, Ou W, Zhang M, Cui S, Zhang S. Daphnetin alleviates neuropathic pain in chronic constrictive injury rats via regulating the NF-κB dependent CXCL1/CXCR2 signaling pathway. PHARMACEUTICAL BIOLOGY 2023; 61:746-754. [PMID: 37177984 PMCID: PMC10184651 DOI: 10.1080/13880209.2023.2198560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
CONTEXT Daphnetin is a natural product with anti-inflammatory, antioxidant, and neuroprotective properties. Reports have found that it has a strong analgesic effect; however, its analgesic mechanism is unknown. OBJECTIVE We explored the effect and mechanism of daphnetin on neuropathic pain (NP). MATERIALS AND METHODS The rat model of NP was established by ligation of the sciatic nerve. Male Sprague-Dawley rats were divided into six groups: Control, Model, Sham, morphine (0.375 mg/kg), and daphnetin (0.0625 and 0.025 mg/kg). Rats were intrathecally injected with drugs or normal saline once daily for three days. Hyperalgesia was evaluated by mechanical withdrawal threshold (MWT) and thermal withdrawal threshold (TWT). Protein levels were detected using ELISA, immunofluorescence, and western blotting. RESULTS Compared to the Model group, daphnetin improved TWT (46.70 °C vs. 42.20 °C) and MWT (45.60 g vs. 23.60 g), reduced the expression of interleukin-1β (0.99 ng/g vs. 1.42 ng/g), interleukin-6 (0.90 ng/g vs. 1.52 ng/g), and tumor necrosis factor-α (0.93 ng/g vs. 1.52 ng/g) in the sciatic nerve. Daphnetin decreased the expression of toll-like receptor 4 (TLR4) (0.47-fold), phosphorylated inhibitor of NF-κB (p-IKBα) (0.29-fold), nuclear factor kappaB (NF-κB) (0.48-fold), glial fibrillary acidic protein (GFAP) (0.42-fold), CXC chemokine ligand type 1 (CXCL1) (0.84-fold), CXC chemokine receptor type 2 (CXCR2) (0.78-fold) in the spinal cord. DISCUSSION AND CONCLUSIONS Daphnetin alleviates NP by inhibiting inflammation and astrocyte activation in the spinal cord, providing theoretical support for the extensive clinical treatment of NP.
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Affiliation(s)
- Tianrui Zhang
- Department of Pharmacology of Traditional Chinese Medicine, College of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Wulin Liang
- Department of Pharmacology of Traditional Chinese Medicine, College of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Wenjing Ou
- Department of Pharmacology of Traditional Chinese Medicine, College of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Mingqian Zhang
- Department of Pharmacology of Traditional Chinese Medicine, College of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Shuang Cui
- Department of Pharmacology of Traditional Chinese Medicine, College of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Shuofeng Zhang
- Department of Pharmacology of Traditional Chinese Medicine, College of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
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Li D, He L, Yuan C, Ai Y, Yang JJ. Peroxisome proliferator-activated receptor gamma agonist pioglitazone alleviates hemorrhage-induced thalamic pain and neuroinflammation. Int Immunopharmacol 2023; 124:110991. [PMID: 37774485 DOI: 10.1016/j.intimp.2023.110991] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 09/05/2023] [Accepted: 09/22/2023] [Indexed: 10/01/2023]
Abstract
BACKGROUND Thalamic pain frequently occurs after stroke and is a challenging clinical issue. However, the mechanisms underlying thalamic pain remain unclear. Neuroinflammation is a key determining factor in the occurrence and maintenance of hemorrhage-induced thalamic pain. Pioglitazone is an agonist of peroxisome proliferator-activated receptor gamma (PPARγ) and shows anti-inflammatory effects in multiple diseases. The present work focused on exploring whether PPARγ is related to hemorrhage-induced thalamic pain. METHODS Immunostaining was conducted to analyze the cellular localization of PPARγ and co-localization was evaluated with NeuN, ionized calcium-binding adapter molecular 1 (IBA1), and glia fibrillary acidic protein (GFAP). Western blot analyses were used to evaluate MyD88, pNF-κB/NF-κB, pSTAT6/STAT6, IL-1β, TNF-α, iNOS, Arg-1, IL-4, IL-6, and IL-10 expression. Behavioral tests in mice were conducted to evaluate continuous pain hypersensitivity. RESULTS We found that pioglitazone appeared to mitigate the contralateral hemorrhage-induced thalamic pain while inhibiting inflammatory responses. Additionally, Pioglitazone induced phosphorylation of STAT6 and suppressed the phosphorylation NF-κB in our model of thalamic pain. These effects could be partially reversed with the PPARγ antagonist GW9662. CONCLUSION The PPARγ agonist pioglitazone can mitigate mechanical allodynia by suppressing the NF-κB inflammasome while activating the STAT6 signal pathway, which are well-known to be associated with inflammation.
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Affiliation(s)
- Da Li
- Department of Anesthesiology, Pain and Perioperative Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, People's Republic of China; Henan Province International Joint Laboratory of Pain, Cognition and Emotion, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, People's Republic of China
| | - Long He
- Department of Anesthesiology, Pain and Perioperative Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, People's Republic of China; Henan Province International Joint Laboratory of Pain, Cognition and Emotion, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, People's Republic of China
| | - Chang Yuan
- Department of Anesthesiology, Pain and Perioperative Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, People's Republic of China; Henan Province International Joint Laboratory of Pain, Cognition and Emotion, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, People's Republic of China
| | - Yanqiu Ai
- Department of Anesthesiology, Pain and Perioperative Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, People's Republic of China; Henan Province International Joint Laboratory of Pain, Cognition and Emotion, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, People's Republic of China.
| | - Jian-Jun Yang
- Department of Anesthesiology, Pain and Perioperative Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, People's Republic of China; Henan Province International Joint Laboratory of Pain, Cognition and Emotion, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, People's Republic of China.
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Fu J, Zhao B, Luo G, Ni H, Xu L, He Q, Xu M, Xu C, Wang Y, Ni C, Yao M. JAG-1/Notch signaling axis in the spinal cord contributes to bone cancer pain in rats. J Neurochem 2023; 166:747-762. [PMID: 37422446 DOI: 10.1111/jnc.15910] [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: 04/10/2023] [Revised: 06/21/2023] [Accepted: 06/22/2023] [Indexed: 07/10/2023]
Abstract
Notch signal plays an important role in regulating cell-cell interactions with the adjacent cells. However, it remains unknown whether Jagged1 (JAG-1) mediated Notch signaling regulates bone cancer pain (BCP) via the spinal cell interactions mechanism. Here, we showed that intramedullary injection of Walker 256 breast cancer cells increased the expression of JAG-1 in spinal astrocytes and knockdown of JAG-1 reduced BCP. The supplementation of exogenous JAG-1 to the spinal cord induced BCP-like behavior and promoted expression of c-Fos and hairy and enhancer of split homolog-1 (Hes-1) in the spinal cord of the naïve rats. These effects were reversed when the rats were administered intrathecal injections of N-[N-(3,5-difluorophenacetyl)-l-alanyl]-S-phenylglycine t-butyl ester (DAPT). The intrathecal injection of DAPT reduced BCP and inhibited Hes-1 and c-Fos expression in the spinal cord. Furthermore, our results showed that JAG-1 up-regulated Hes-1 expression by inducing the recruitment of Notch intracellular domain (NICD) to the RBP-J/CSL-binding site located within the Hes-1 promoter sequence. Finally, the intrathecal injection of c-Fos-antisense oligonucleotides (c-Fos-ASO) and administration of sh-Hes-1 to the spinal dorsal horn also alleviated BCP. The study indicates that inhibition of the JAG-1/Notch signaling axis may be a potential strategy for the treatment of BCP.
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Affiliation(s)
- Jie Fu
- Department of Anesthesiology and Pain Research center, The Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Baoxia Zhao
- Department of Anesthesiology and Pain Research center, The Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Ge Luo
- Department of Anesthesiology and Pain Research center, The Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Huadong Ni
- Department of Anesthesiology and Pain Research center, The Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Longsheng Xu
- Department of Anesthesiology and Pain Research center, The Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Qiuli He
- Department of Anesthesiology and Pain Research center, The Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Miao Xu
- Department of Anesthesiology and Pain Research center, The Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Chengfei Xu
- Department of Anesthesiology and Pain Research center, The Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Yahui Wang
- Department of Anesthesiology and Pain Research center, The Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Chaobo Ni
- Department of Anesthesiology and Pain Research center, The Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Ming Yao
- Department of Anesthesiology and Pain Research center, The Affiliated Hospital of Jiaxing University, Jiaxing, China
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22
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Long D, Alghoul Z, Sung J, Yang C, Merlin D. Oral administration of M13-loaded nanoliposomes is safe and effective to treat colitis-associated cancer in mice. Expert Opin Drug Deliv 2023; 20:1443-1462. [PMID: 37379034 PMCID: PMC10810011 DOI: 10.1080/17425247.2023.2231345] [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: 04/14/2023] [Revised: 06/23/2023] [Accepted: 06/26/2023] [Indexed: 06/29/2023]
Abstract
OBJECTIVE Colitis-associated cancer (CAC) treatment lacks effective small-molecule drugs and efficient targeted delivery systems. Here, we loaded M13 (an anti-cancer drug candidate) to colon-targeting ginger-derived nanoliposomes (NL) and investigated if orally administered M13-NL could enhance the anticancer effects of M13 in CAC mouse models. METHODS The biopharmaceutical properties of M13 were assessed by physicochemical characterizations. The in vitro immunotoxicity of M13 was assessed against PBMCs using FACS and the mutagenic potential of M13 was evaluated by the Ames assay. The in vitro efficacy of M13 was tested in 2D- and 3D-cultured cancerous intestinal cells. AOM/DSS-induced CAC mice were used to evaluate the therapeutic effects of free M13 or M13-NL on CAC in vivo. RESULTS M13 has beneficial physiochemical properties, including high stability, and no apparent immunotoxicity or mutagenic potential in vitro. M13 is effective against the growth of 2D- and 3D-cultured cancerous intestinal cells in vitro. The in vivo safety and efficacy of M13 were significantly improved by using NL for drug delivery (p < 0.001). Oral administration of M13-NL exhibited excellent therapeutic effects in AOM/DSS-induced CAC mice. CONCLUSION M13-NL is a promising oral drug formulation for CAC treatment.
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Affiliation(s)
- Dingpei Long
- Institute for Biomedical Sciences, Center for Inflammation, Immunity & Infection, Digestive Disease Research Group, Georgia State University, Atlanta, GA, USA
| | - Zahra Alghoul
- Institute for Biomedical Sciences, Center for Inflammation, Immunity & Infection, Digestive Disease Research Group, Georgia State University, Atlanta, GA, USA
- Department of Chemistry, Georgia State University, Atlanta, GA, USA
| | - Junsik Sung
- Institute for Biomedical Sciences, Center for Inflammation, Immunity & Infection, Digestive Disease Research Group, Georgia State University, Atlanta, GA, USA
| | - Chunhua Yang
- Institute for Biomedical Sciences, Center for Inflammation, Immunity & Infection, Digestive Disease Research Group, Georgia State University, Atlanta, GA, USA
- Atlanta Veterans Affairs Medical Center, Decatur, GA, USA
| | - Didier Merlin
- Institute for Biomedical Sciences, Center for Inflammation, Immunity & Infection, Digestive Disease Research Group, Georgia State University, Atlanta, GA, USA
- Atlanta Veterans Affairs Medical Center, Decatur, GA, USA
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23
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Yang L, Liu B, Zheng S, Xu L, Yao M. Understanding the initiation, delivery and processing of bone cancer pain from the peripheral to the central nervous system. Neuropharmacology 2023; 237:109641. [PMID: 37392821 DOI: 10.1016/j.neuropharm.2023.109641] [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: 02/13/2023] [Revised: 06/01/2023] [Accepted: 06/20/2023] [Indexed: 07/03/2023]
Abstract
Bone cancer pain is a complex condition characterized by persistent, sudden, spontaneous pain accompanied by hyperalgesia that typically arises from bone metastases or primary bone tumors, causing severe discomfort and significantly diminishing cancer patients' quality of life and confidence in their ability to overcome the disease. It is widely known that peripheral nerves are responsible for detecting harmful stimuli, which are then transmitted to the brain via the spinal cord, resulting in the perception of pain. In the case of bone cancer, tumors and stromal cells within the bone marrow release various chemical signals, including inflammatory factors, colony-stimulating factors, chemokines, and hydrogen ions. Consequently, the nociceptors located at the nerve endings within the bone marrow sense these chemical signals, generating electrical signals that are then transmitted to the brain through the spinal cord. Subsequently, the brain processes these electrical signals in a complex manner to create the sensation of bone cancer pain. Numerous studies have investigated the transmission of bone cancer pain from the periphery to the spinal cord. However, the processing of pain information induced by bone cancer within the brain remains unclear. With the continuous advancements in brain science and technology, the brain mechanism of bone cancer pain would become more clearly understood. Herein, we focus on summarizing the peripheral nerve perception of the spinal cord transmission of bone cancer pain and provide a brief overview of the ongoing research regarding the brain mechanisms involved in bone cancer pain.
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Affiliation(s)
- Lei Yang
- Department of Anesthesia and Pain Medicine, Affiliated Hospital of Jiaxing University, No. 1882 Zhong-Huan-Nan Road, Jiaxing, 314001, China
| | - Beibei Liu
- Department of Anesthesia and Pain Medicine, Affiliated Hospital of Jiaxing University, No. 1882 Zhong-Huan-Nan Road, Jiaxing, 314001, China
| | - Shang Zheng
- Department of Anesthesia and Pain Medicine, Affiliated Hospital of Jiaxing University, No. 1882 Zhong-Huan-Nan Road, Jiaxing, 314001, China
| | - Longsheng Xu
- Department of Anesthesia and Pain Medicine, Affiliated Hospital of Jiaxing University, No. 1882 Zhong-Huan-Nan Road, Jiaxing, 314001, China.
| | - Ming Yao
- Department of Anesthesia and Pain Medicine, Affiliated Hospital of Jiaxing University, No. 1882 Zhong-Huan-Nan Road, Jiaxing, 314001, China.
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24
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Lin J, Chen P, Tan Z, Sun Y, Tam WK, Ao D, Shen W, Leung VYL, Cheung KMC, To MKT. Application of silver nanoparticles for improving motor recovery after spinal cord injury via reduction of pro-inflammatory M1 macrophages. Heliyon 2023; 9:e15689. [PMID: 37234658 PMCID: PMC10205515 DOI: 10.1016/j.heliyon.2023.e15689] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/16/2023] [Accepted: 04/19/2023] [Indexed: 05/28/2023] Open
Abstract
Silver nanoparticles (AgNPs) possess anti-inflammatory activities and have been widely deployed for promoting tissue repair. Here we explored the efficacy of AgNPs on functional recovery after spinal cord injury (SCI). Our data indicated that, in a SCI rat model, local AgNPs delivery could significantly recover locomotor function and exert neuroprotection through reducing of pro-inflammatory M1 survival. Furthermore, in comparison with Raw 264.7-derived M0 and M2, a higher level of AgNPs uptake and more pronounced cytotoxicity were detected in M1. RNA-seq analysis revealed the apoptotic genes in M1 were upregulated by AgNPs, whereas in M0 and M2, pro-apoptotic genes were downregulated and PI3k-Akt pathway signaling pathway was upregulated. Moreover, AgNPs treatment preferentially reduced cell viability of human monocyte-derived M1 comparing to M2, supporting its effect on M1 in human. Overall, our findings reveal AgNPs could suppress M1 activity and imply its therapeutic potential in promoting post-SCI motor recovery.
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Affiliation(s)
- Jie Lin
- Department of Orthopaedics & Traumatology, The University of Hong Kong Shenzhen Hospital, School of Clinical Medicine, The University of Hong Kong, Shenzhen, Guangdong, 518053, China
- Department of Orthopaedics & Traumatology, School of Clinical Medicine, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong SAR, China
| | - Peikai Chen
- Department of Orthopaedics & Traumatology, The University of Hong Kong Shenzhen Hospital, School of Clinical Medicine, The University of Hong Kong, Shenzhen, Guangdong, 518053, China
| | - Zhijia Tan
- Department of Orthopaedics & Traumatology, The University of Hong Kong Shenzhen Hospital, School of Clinical Medicine, The University of Hong Kong, Shenzhen, Guangdong, 518053, China
| | - Yi Sun
- Department of Sports Medicine, Peking University-Shenzhen Hospital, Shenzhen, Guangdong, 518034, China
| | - Wai Kit Tam
- Department of Orthopaedics & Traumatology, School of Clinical Medicine, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong SAR, China
| | - Di Ao
- Department of Orthopaedics & Traumatology, School of Clinical Medicine, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong SAR, China
| | - Wei Shen
- Department of Orthopaedics & Traumatology, School of Clinical Medicine, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong SAR, China
| | - Victor Yu-Leong Leung
- Department of Orthopaedics & Traumatology, School of Clinical Medicine, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong SAR, China
| | - Kenneth Man Chee Cheung
- Department of Orthopaedics & Traumatology, The University of Hong Kong Shenzhen Hospital, School of Clinical Medicine, The University of Hong Kong, Shenzhen, Guangdong, 518053, China
- Department of Orthopaedics & Traumatology, School of Clinical Medicine, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong SAR, China
| | - Michael Kai Tsun To
- Department of Orthopaedics & Traumatology, The University of Hong Kong Shenzhen Hospital, School of Clinical Medicine, The University of Hong Kong, Shenzhen, Guangdong, 518053, China
- Department of Orthopaedics & Traumatology, School of Clinical Medicine, The University of Hong Kong, 21 Sassoon Road, Pokfulam, Hong Kong SAR, China
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25
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Alehossein P, Taheri M, Tayefeh Ghahremani P, Dakhlallah D, Brown CM, Ishrat T, Nasoohi S. Transplantation of Exercise-Induced Extracellular Vesicles as a Promising Therapeutic Approach in Ischemic Stroke. Transl Stroke Res 2023; 14:211-237. [PMID: 35596116 DOI: 10.1007/s12975-022-01025-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 04/06/2022] [Accepted: 04/15/2022] [Indexed: 11/24/2022]
Abstract
Clinical evidence affirms physical exercise is effective in preventive and rehabilitation approaches for ischemic stroke. This sustainable efficacy is independent of cardiovascular risk factors and associates substantial reprogramming in circulating extracellular vesicles (EVs). The intricate journey of pluripotent exercise-induced EVs from parental cells to the whole-body and infiltration to cerebrovascular entity offers several mechanisms to reduce stroke incidence and injury or accelerate the subsequent recovery. This review delineates the potential roles of EVs as prospective effectors of exercise. The candidate miRNA and peptide cargo of exercise-induced EVs with both atheroprotective and neuroprotective characteristics are discussed, along with their presumed targets and pathway interactions. The existing literature provides solid ground to hypothesize that the rich vesicles link exercise to stroke prevention and rehabilitation. However, there are several open questions about the exercise stressors which may optimally regulate EVs kinetic and boost brain mitochondrial adaptations. This review represents a novel perspective on achieving brain fitness against stroke through transplantation of multi-potential EVs generated by multi-parental cells, which is exceptionally reachable in an exercising body.
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Affiliation(s)
- Parsa Alehossein
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Daneshjoo Blvd., Chamran Hwy., PO: 19615-1178, Tehran, Iran
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Taheri
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Daneshjoo Blvd., Chamran Hwy., PO: 19615-1178, Tehran, Iran
- Faculty of Sport Sciences and Health, Shahid Beheshti University, Tehran, Iran
| | - Pargol Tayefeh Ghahremani
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Daneshjoo Blvd., Chamran Hwy., PO: 19615-1178, Tehran, Iran
| | - Duaa Dakhlallah
- Institute of Global Health and Human Ecology, School of Sciences & Engineering, The American University of Cairo, Cairo, Egypt
| | - Candice M Brown
- Department of Neuroscience, School of Medicine, and Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, USA
| | - Tauheed Ishrat
- Department of Anatomy and Neurobiology, School of Medicine, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Sanaz Nasoohi
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Daneshjoo Blvd., Chamran Hwy., PO: 19615-1178, Tehran, Iran.
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26
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Huang X, Guo M, Zhang Y, Xie J, Huang R, Zuo Z, Saw PE, Cao M. Microglial IL-1RA ameliorates brain injury after ischemic stroke by inhibiting astrocytic CXCL1-mediated neutrophil recruitment and microvessel occlusion. Glia 2023; 71:1607-1625. [PMID: 36929654 DOI: 10.1002/glia.24359] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 02/07/2023] [Accepted: 03/03/2023] [Indexed: 03/18/2023]
Abstract
Acute ischemic stroke (AIS), one of the leading causes of mortality worldwide, is characterized by a rapid inflammatory cascade resulting in exacerbation of ischemic brain injury. Microglia are the first immune responders. However, the role of postischemic microglial activity in ischemic brain injury remains far from being fully understood. Here, using the transgenic mouse line CX3 CR1creER :R26iDTR to genetically ablate microglia, we showed that microglial deletion exaggerated ischemic brain injury. Associated with this worse outcome, there were increased neutrophil recruitment, microvessel blockade and blood flow stagnation in the acute phase, accompanied by transcriptional upregulation of chemokine (C-X-C motif) ligand 1 (CXCL1). Our study showed that microglial interleukin-1 receptor antagonist (IL-1RA) suppressed astrocytic CXCL1 expression induced by oxygen and glucose deprivation and inhibited neutrophil migration. Furthermore, neutralizing antibody therapy against CXCL1 or the administration of recombinant IL-1RA protein reduced brain infarct volume and improved motor coordination performance of mice after ischemic stroke. Our study suggests that microglia protect against acute ischemic brain injury by secreting IL-1RA to inhibit astrocytic CXCL1 expression, which reduces neutrophil recruitment and neutrophil-derived microvessel occlusion.
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Affiliation(s)
- Xiaoyan Huang
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Mingyan Guo
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Yangfan Zhang
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Jiatian Xie
- Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Rong Huang
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Zhiyi Zuo
- Department of Anesthesiology, University of Virginia, Charlottesville, Virginia, USA
| | - Phei Er Saw
- Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Minghui Cao
- Department of Anesthesiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.,Department of Anesthesiology, Shenshan Medical Center, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Shanwei, China
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27
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Predicting the severity of COVID-19 patients using the CD24-CSF1R index in whole blood samples. Heliyon 2023; 9:e13945. [PMID: 36851954 PMCID: PMC9946875 DOI: 10.1016/j.heliyon.2023.e13945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 02/08/2023] [Accepted: 02/15/2023] [Indexed: 02/25/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19), caused by SARS-CoV-2, has become one of the most serious public health crises worldwide. Most infected people are asymptomatic but are still able to spread the virus. People with mild or moderate illnesses are likely to recover without hospitalization, while critically ill patients face a higher risk of organ injury or even death. In this study, we aimed to identify a novel biomarker that can predict the severity of COVID-19 patients. Clinical information and RNA-seq data of leukocytes from whole blood samples with and without a COVID-19 diagnosis (n = 100 and 26, respectively) were retrieved from the National Center for Biotechnology Information Gene Expression Omnibus database. Raw data were processed using the Transcripts Per Million (TPM) method and then transformed using log2 (TPM+1) for normalization. The CD24-CSF1R index was established. Violin plots, Kaplan-Meier curves, ROC curves, and multivariate Cox proportional hazards regression analyses were performed to evaluate the prognostic value of the established index. The CD24-CSF1R index was significantly associated with ICU admission (n = 50 ICU, 50 non-ICU) and ventilatory status (n = 42 ventilation, 58 non-ventilation) with p = 4.186e-11 and p = 1.278e-07, respectively. The ROC curve produced a relatively accurate prediction of ICU admission with an AUC of 0.8524. Additionally, patients with a high index had significantly fewer mechanical ventilation-free days than patients with a low index (p = 6.07e-07). Furthermore, the established index showed a strong prognostic ability for the risk of using a ventilator in the multivariate Cox regression model (p < 0.001). The CD24-CSF1R index was significantly associated with COVID-19 severity. The established index could have potential implications for prognosis, disease severity stratification, and clinical management.
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28
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de Almeida LS, Cunha-Rodrigues MC, Araujo PC, de Almeida OM, Barradas PC. Effects of prenatal hypoxia-ischemia on male rat periaqueductal gray matter: Hyperalgesia, astrogliosis and nitrergic system impairment. Neurochem Int 2023; 164:105500. [PMID: 36731728 DOI: 10.1016/j.neuint.2023.105500] [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: 08/01/2022] [Revised: 01/18/2023] [Accepted: 01/29/2023] [Indexed: 02/03/2023]
Abstract
Prenatal hypoxic-ischemic insult (HI) may lead to a variety of neurological consequences that may persist throughout adulthood. In the most severe cases, HI is known to increase pain sensitivity which profoundly impacts quality of life. Periaqueductal gray matter (PAG) is a relevant region of the descending pain pathway and its function may be modulated by a complex network that includes nitrergic neurons and glial response, among other factors. Astrocytes, central players in pain modulation, are known to respond to HI by inducing hyperplasia, hypertrophy and increasing the number of their processes and the staining of glial fibrillary acidic protein (GFAP). In this work we investigated the effects of prenatal HI on touch and pain sensitivity, besides the distribution of the neuronal isoform of Nitric Oxide Synthase (nNOS) and GFAP in the PAG of young and adult male rats. At 18 days of gestation, rats had their uterine arteries clamped for 45 min (HI group). SHAM-operated animals were also generated (SHAM group). At post-natal day 30 (P30) or 90 (P90), the offspring was submitted to the behavioral tests of Von Frey and formalin or histological processing to perform immunohistochemistry for nNOS and GFAP. Although there was no significant difference between the groups concerning touch sensitivity, we observed an increase in pain sensitivity in HI P30 and HI P90. The number of nNOS + cells was reduced in HI adult animals in dlPAG and vlPAG. GFAP immunostaining was increased in HI P90 in dlPAG and dmPAG. Our results demonstrated for the first time an increase in pain sensitivity as a consequence of prenatal HI in an animal model. It reinforces the relevance of this model to mimic the effects of prenatal HI, as hyperalgesia.
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Affiliation(s)
- L S de Almeida
- Universidade do Estado do Rio de Janeiro, Pharmacology and Psychobiology, Rio de Janeiro, Brazil
| | - M C Cunha-Rodrigues
- Universidade do Estado do Rio de Janeiro, Pharmacology and Psychobiology, Rio de Janeiro, Brazil
| | - P C Araujo
- Universidade do Estado do Rio de Janeiro, Pharmacology and Psychobiology, Rio de Janeiro, Brazil
| | - O M de Almeida
- Universidade do Estado do Rio de Janeiro, Pharmacology and Psychobiology, Rio de Janeiro, Brazil
| | - P C Barradas
- Universidade do Estado do Rio de Janeiro, Pharmacology and Psychobiology, Rio de Janeiro, Brazil.
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29
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Zhang T, Liang W, Zhang M, Cui S, Huang X, Ou W, Huang R, Gao J, Jia Z, Zhang S. Daphnetin Improves Neuropathic Pain by Inhibiting the Expression of Chemokines and Inflammatory Factors in the Spinal Cord and Interfering with Glial Cell Polarization. Pharmaceuticals (Basel) 2023; 16:243. [PMID: 37259390 PMCID: PMC9964401 DOI: 10.3390/ph16020243] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 01/18/2023] [Accepted: 01/25/2023] [Indexed: 08/13/2023] Open
Abstract
Neuropathic pain (NP) is a common pain disease that seriously affects the quality of life and physical and mental health of patients. Daphnetin is extracted from the Daphne giraldii Nitsche and has the structure of 7,8-dihydroxy coumarin. As a natural product, daphnetin displays a wide range of pharmacological activities, such as analgesia and anti-inflammatory activities, but whether it is able to improve NP through anti-inflammatory effects is unknown. Therefore, this paper intends to investigate the mechanism of daphnetin in improving NP rats affected by the intrathecal injection of tumor necrosis factor-α (TNF-α) from the perspective of anti-inflammation. Our results showed that daphnetin significantly improved hyperalgesia in NP rats. Daphnetin inhibited the activation and polarization of glial cells and neurons in the spinal cord of NP rats and reduced the expression of mRNA and protein of inflammatory factors and chemokine pairs in the spinal cord. Daphnetin inhibited the polarization of human microglia cell 3 (HMC3) cells and human glioma cells (U251) cells toward M1 microglia and A1 astrocytes, respectively, and induced the conversion of M1 microglia and A1 astrocytes to M2 microglia and A2 astrocytes, respectively. In conclusion, daphnetin ameliorates NP by inhibiting the expression of inflammatory factors and chemokines and the polarization of glial cells in the spinal cord of NP rats. This study provides a theoretical basis for the treatment of NP with daphnetin to expand the clinical application of daphnetin.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Shuofeng Zhang
- Department of Pharmacology of Traditional Chinese Medicine, College of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 102488, China
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30
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Du J, Yi M, Xi D, Wang S, Liu B, Shao X, Liang Y, He X, Fang J, Fang J. Satellite glial cells drive the transition from acute to chronic pain in a rat model of hyperalgesic priming. Front Mol Neurosci 2023; 16:1089162. [PMID: 36818653 PMCID: PMC9931746 DOI: 10.3389/fnmol.2023.1089162] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 01/18/2023] [Indexed: 02/05/2023] Open
Abstract
Chronic pain is one of the most common clinical syndromes affecting patients' quality of life. Regulating the transition from acute to chronic pain is a novel therapeutic strategy for chronic pain that presents a major clinical challenge. However, the mechanism underlying pain transitions remains poorly understood. A rat hyperalgesic priming (HP) model, which mimics pain transition, was established decades ago. Here, this HP model and RNA sequencing (RNA-seq) were used to study the potential role of neuroinflammation in pain transition. In this study, HP model rats developed prolonged hyperalgesia in the hind paw after carrageenan (Car) and PGE2 injection, accompanied by obvious satellite glial cell (SGC) activation in the dorsal root ganglion (DRG), as indicated by upregulation of GFAP. RNA-Seq identified a total of differentially expressed genes in the ipsilateral DRG in HP model rats. The expression of several representative genes was confirmed by real-time quantitative PCR (qPCR). Functional analysis of the differentially expressed genes indicated that genes related to the inflammatory and neuroinflammatory response showed the most significant changes in expression. We further found that the expression of the chemokine CXCL1 was significantly upregulated in the rat DRG. Pharmacological blockade of CXCL1 reduced protein kinase C epsilon overproduction as well as hyperalgesia in HP rats but did not prevent the upregulation of GFAP in the DRG. These results reveal that neuroinflammatory responses are involved in pain transition and may be the source of chronic pain. The chemokine CXCL1 in the DRG is a pivotal contributor to chronic pain and pain transition in HP model rats. Thus, our study provides a putative novel target for the development of effective therapeutics to prevent pain transition.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Junfan Fang
- *Correspondence: Jianqiao Fang, ; Junfan Fang,
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Montilla A, Zabala A, Er-Lukowiak M, Rissiek B, Magnus T, Rodriguez-Iglesias N, Sierra A, Matute C, Domercq M. Microglia and meningeal macrophages depletion delays the onset of experimental autoimmune encephalomyelitis. Cell Death Dis 2023; 14:16. [PMID: 36635255 PMCID: PMC9835747 DOI: 10.1038/s41419-023-05551-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 12/20/2022] [Accepted: 01/03/2023] [Indexed: 01/13/2023]
Abstract
In multiple sclerosis and the experimental autoimmune encephalomyelitis (EAE) model, both resident microglia and infiltrating macrophages contribute to demyelination as well as spontaneous remyelination. Nevertheless, the specific roles of microglia versus macrophages are unknown. We investigated the influence of microglia in EAE using the colony stimulating factor 1 receptor (CSF-1R) inhibitor, PLX5622, to deplete microglial population and Ccr2RFP/+ fmsEGFP/+ mice, to distinguish blood-derived macrophages from microglia. PLX5622 treatment depleted microglia and meningeal macrophages, and provoked a massive infiltration of CCR2+ macrophages into demyelinating lesions and spinal cord parenchyma, albeit it did not alter EAE chronic phase. In contrast, microglia and meningeal macrophages depletion reduced the expression of major histocompatibility complex II and CD80 co-stimulatory molecule in dendritic cells, macrophages and microglia. In addition, it diminished T cell reactivation and proliferation in the spinal cord parenchyma, inducing a significant delay in EAE onset. Altogether, these data point to a specific role of CNS microglia and meningeal macrophages in antigen presentation and T cell reactivation at initial stages of EAE.
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Affiliation(s)
- Alejandro Montilla
- Achucarro Basque Center for Neuroscience and Department of Neuroscience, University of the Basque Country UPV/EHU, E-48940, Leioa, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Leioa, Spain
| | - Alazne Zabala
- Achucarro Basque Center for Neuroscience and Department of Neuroscience, University of the Basque Country UPV/EHU, E-48940, Leioa, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Leioa, Spain
| | - Marco Er-Lukowiak
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany, 20251, Hamburg, Germany
| | - Björn Rissiek
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany, 20251, Hamburg, Germany
| | - Tim Magnus
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany, 20251, Hamburg, Germany
| | - Noelia Rodriguez-Iglesias
- Achucarro Basque Center for Neuroscience and Department of Neuroscience, University of the Basque Country UPV/EHU, E-48940, Leioa, Spain
| | - Amanda Sierra
- Achucarro Basque Center for Neuroscience and Department of Neuroscience, University of the Basque Country UPV/EHU, E-48940, Leioa, Spain
- Ikerbasque Foundation, E-48009, Bilbao, Spain
| | - Carlos Matute
- Achucarro Basque Center for Neuroscience and Department of Neuroscience, University of the Basque Country UPV/EHU, E-48940, Leioa, Spain.
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Leioa, Spain.
| | - María Domercq
- Achucarro Basque Center for Neuroscience and Department of Neuroscience, University of the Basque Country UPV/EHU, E-48940, Leioa, Spain.
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Leioa, Spain.
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Chaves AJM, Jucá PM, Soares MVR, de Oliveira CA, de Sousa RC, Lós DB, Russo RC, Yaochite JNU, Macedo DS. In vitro immunogenic profile of recombinant SARS-CoV2 S1-RBD peptide in murine macrophage and microglial cells. Mem Inst Oswaldo Cruz 2023; 118:e220144. [PMID: 37018795 PMCID: PMC10065410 DOI: 10.1590/0074-02760220144] [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: 06/20/2022] [Accepted: 02/27/2023] [Indexed: 04/05/2023] Open
Abstract
BACKGROUND The novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants can infect common mice inducing significant pathological lung lesions and inflammatory responses. This substantially mimics coronavirus disease 19 (COVID-19) infection and pathogenesis in humans. OBJECTIVES To characterise the effects of recombinant SARS-CoV-2 S1 receptor-binding domain (RBD) peptide in murine macrophage and microglial cells’ immune activation compared with classical PAMPs in vitro. METHODS Murine RAW 264.7 macrophages and BV2 microglial cells were exposed to increasing concentrations of the RBD peptide (0.01, 0.05, and 0.1 µg/mL), Lipopolysaccharide (LPS) and Poly(I:C) and evaluated after two and 24 h for significant markers of macrophage activation. We determined the effects of RBD peptide on cell viability, cleaved caspase 3 expressions, and nuclear morphometry analysis. FINDINGS In RAW cells, RBD peptide was cytotoxic, but not for BV2 cells. RAW cells presented increased arginase activity and IL-10 production; however, BV2 cells expressed iNOS and IL-6 after RBD peptide exposure. In addition, RAW cells increased cleaved-caspase-3, apoptosis, and mitotic catastrophe after RBD peptide stimulation but not BV2 cells. CONCLUSION RBD peptide exposure has different effects depending on the cell line, exposure time, and concentration. This study brings new evidence about the immunogenic profile of RBD in macrophage and microglial cells, advancing the understanding of SARS-Cov2 immuno- and neuropathology.
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Affiliation(s)
- Adriano José Maia Chaves
- Universidade Federal do Ceará, Faculdade de Medicina, Departamento de Fisiologia e Farmacologia, Núcleo de Pesquisa e Desenvolvimento de Medicamentos, Laboratório de Neurofarmacologia, Fortaleza, CE, Brasil
| | - Paloma Marinho Jucá
- Universidade Federal do Ceará, Faculdade de Medicina, Departamento de Fisiologia e Farmacologia, Núcleo de Pesquisa e Desenvolvimento de Medicamentos, Laboratório de Neurofarmacologia, Fortaleza, CE, Brasil
| | - Michelle Verde Ramo Soares
- Universidade Federal do Ceará, Faculdade de Medicina, Departamento de Fisiologia e Farmacologia, Núcleo de Pesquisa e Desenvolvimento de Medicamentos, Laboratório de Neurofarmacologia, Fortaleza, CE, Brasil
| | - Caio Andrade de Oliveira
- Universidade Federal do Ceará, Faculdade de Medicina, Departamento de Fisiologia e Farmacologia, Núcleo de Pesquisa e Desenvolvimento de Medicamentos, Laboratório de Neurofarmacologia, Fortaleza, CE, Brasil
| | - Raul Cavalcante de Sousa
- Universidade Federal do Ceará, Faculdade de Medicina, Departamento de Fisiologia e Farmacologia, Núcleo de Pesquisa e Desenvolvimento de Medicamentos, Laboratório de Neurofarmacologia, Fortaleza, CE, Brasil
| | - Deniele Bezerra Lós
- Universidade Federal do Ceará, Faculdade de Medicina, Departamento de Fisiologia e Farmacologia, Núcleo de Pesquisa e Desenvolvimento de Medicamentos, Laboratório de Neurofarmacologia, Fortaleza, CE, Brasil
| | - Remo Castro Russo
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Fisiologia e Biofísica, Laboratório de Imunologia e Mecânica Pulmonar, Belo Horizonte, MG, Brasil
| | - Juliana Navarro Ueda Yaochite
- Universidade Federal do Ceará, Faculdade de Farmácia, Odontologia e Enfermagem, Departamento de Análises Clínicas, Fortaleza, CE, Brasil
| | - Danielle S Macedo
- Universidade Federal do Ceará, Faculdade de Medicina, Departamento de Fisiologia e Farmacologia, Núcleo de Pesquisa e Desenvolvimento de Medicamentos, Laboratório de Neurofarmacologia, Fortaleza, CE, Brasil
- + Corresponding author: /
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Topcu A, Saral S, Mercantepe T, Akyildiz K, Tumkaya L, Yilmaz A. The effects of apelin-13 against cisplatin-induced nephrotoxicity in rats. Drug Chem Toxicol 2023; 46:77-87. [PMID: 34894944 DOI: 10.1080/01480545.2021.2011309] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Acute kidney injury (AKI) is observed in nearly 60% of patients undergoing cisplatin (CP) therapy. The aim of this study was to reveal the potential effects of apelin-13 (AP-13) in the prevention of CP-induced renal toxicity, together with its antioxidant and anti-inflammatory effect mechanisms. Four experimental groups were established. Group 1, the control group, received 0.9% saline solution alone intraperitoneally (IP). Group 2, the CP group, received CP IP at 5 mg/kg once weekly for four weeks for induction of nephrotoxicity. In Group 3, the CP + Apelin-13 (AP-13) group, AP-13 was prepared at 20 nmol kg/d in sterile pyrogen-free saline before injection every day for four weeks and administered IP. CP was administered IP at 5 mg/kg once weekly for four weeks for induction of nephrotoxicity. In Group 4, the AP-13 group, AP-13 was prepared at 20 nmol kg/d in sterile pyrogen-free 0.9% saline before injection every day for four weeks and administered IP. Thiobarbituric acid reactive substances (TBARS), thiol (-SH), interleukin-1 beta, cleaved caspase-3, 8-hydroxy 2-deoxyguanosine (8-OHdG), and nuclear factor kappa B (NF-κβ/p65) levels were then measured. Increased oxidative stress, inflammation, and apoptosis as a result of CP application activated the cascade. However, AP-13 administration reduced the oxidative stress increased by CIS with the determined antioxidant effect and reduced the damage by increasing total -SH levels. 8-OHdG and NF-κβ/p65, which were up-regulated by triggering oxidative stress and inflammation, were down-regulated through the antioxidant and anti-inflammatory effects of AP-13.
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Affiliation(s)
- Atilla Topcu
- Department of Pharmacology, Faculty of Medicine, Recep Tayyip Erdogan University, Rize, Turkey
| | - Sinan Saral
- Department of Physiology, Faculty of Medicine, Recep Tayyip Erdogan University, Rize, Turkey
| | - Tolga Mercantepe
- Department of Histology and Embryology, Faculty of Medicine, Recep Tayyip Erdogan University, Rize, Turkey
| | - Kerimali Akyildiz
- Department of Medical Services and Techniques, Health Care Services Vocational School, Recep Tayyip Erdogan University, Rize, Turkey
| | - Levent Tumkaya
- Department of Histology and Embryology, Faculty of Medicine, Recep Tayyip Erdogan University, Rize, Turkey
| | - Adnan Yilmaz
- Department of Biochemistry, Faculty of Medicine, Recep Tayyip Erdogan University, Rize, Turkey
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Upregulation of LncRNA71132 in the spinal cord regulates hypersensitivity in a rat model of bone cancer pain. Pain 2023; 164:180-196. [PMID: 35543644 DOI: 10.1097/j.pain.0000000000002678] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 04/13/2022] [Indexed: 01/09/2023]
Abstract
ABSTRACT Bone cancer pain (BCP) is a pervasive clinical symptom which impairs the quality life. Long noncoding RNAs (lncRNAs) are enriched in the central nervous system and play indispensable roles in numerous biological processes, while its regulatory function in nociceptive information processing remains elusive. Here, we reported that functional modulatory role of ENSRNOT00000071132 (lncRNA71132) in the BCP process and sponging with miR-143 and its downstream GPR85-dependent signaling cascade. Spinal lncRNA71132 was remarkably increased in the rat model of bone cancer pain. The knockdown of spinal lncRNA71132 reverted BCP behaviors and spinal c-Fos neuronal sensitization. Overexpression of spinal lncRNA71132 in naive rat generated pain behaviors, which were accompanied by increased spinal c-Fos neuronal sensitization. Furthermore, it was found that lncRNA71132 participates in the modulation of BCP by inversely regulating the processing of miR-143-5p. In addition, an increase in expression of spinal lncRNA71132 resulted in the decrease in expression of miR-143 under the BCP state. Finally, it was found that miR-143-5p regulates pain behaviors by targeting GPR85. Overexpression of miR-143-5p in the spinal cord reverted the nociceptive behaviors triggered by BCP, accompanied by a decrease in expression of spinal GPR85 protein, but no influence on expression of gpr85 mRNA. The findings of this study indicate that lncRNA71132 works as a miRNA sponge in miR-143-5p-mediated posttranscriptional modulation of GPR85 expression in BCP. Therefore, epigenetic interventions against lncRNA71132 may potentially work as novel treatment avenues in treating nociceptive hypersensitivity triggered by bone cancer.
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Chen YL, Feng XL, Cheung CW, Liu JA. Mode of action of astrocytes in pain: From the spinal cord to the brain. Prog Neurobiol 2022; 219:102365. [DOI: 10.1016/j.pneurobio.2022.102365] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 09/09/2022] [Accepted: 10/07/2022] [Indexed: 11/06/2022]
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Chiffi G, Grandgirard D, Stöckli S, Valente LG, Adamantidis A, Leib SL. Tick-borne encephalitis affects sleep–wake behavior and locomotion in infant rats. Cell Biosci 2022; 12:121. [PMID: 35918749 PMCID: PMC9344439 DOI: 10.1186/s13578-022-00859-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 07/21/2022] [Indexed: 08/30/2023] Open
Abstract
Background/Aims Tick-borne encephalitis (TBE) is a disease affecting the central nervous system. Over the last decade, the incidence of TBE has steadily increased in Europe and Asia despite the availably of effective vaccines. Up to 50% of patients after TBE suffer from post-encephalitic syndrome that may develop into long-lasting morbidity. Altered sleep–wake functions have been reported by patients after TBE. The mechanisms causing these disorders in TBE are largely unknown to date. As a first step toward a better understanding of the pathology of TBEV-inducing sleep dysfunctions, we assessed parameters of sleep structure in an established infant rat model of TBE. Methods 13-day old Wistar rats were infected with 1 × 106 FFU Langat virus (LGTV). On day 4, 9, and 21 post infection, Rotarod (balance and motor coordination) and open field tests (general locomotor activity) were performed and brains from representative animals were collected in each subgroup. On day 28 the animals were implanted with a telemetric EEG/EMG system. Sleep recording was continuously performed for 24 consecutive hours starting at day 38 post infection and visually scored for Wake, NREM, and REM in 4 s epochs. Results As a novelty of this study, infected animals showed a significant larger percentage of time spend awake during the dark phase and less NREM and REM compared to the control animals (p < 0.01 for all comparisons). Furthermore, it was seen, that during the dark phase the wake bout length in infected animals was prolonged (p = 0.043) and the fragmentation index decreased (p = 0.0085) in comparison to the control animals. LGTV-infected animals additionally showed a reduced rotarod performance ability at day 4 (p = 0.0011) and day 9 (p = 0.0055) and day 21 (p = 0.0037). A lower locomotor activity was also seen at day 4 (p = 0.0196) and day 9 (p = 0.0473). Conclusion Our data show that experimental TBE in infant rats affects sleep–wake behavior, leads to decreased spontaneous locomotor activity, and impaired moto-coordinative function. Supplementary Information The online version contains supplementary material available at 10.1186/s13578-022-00859-7.
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Wang Y, Wang P, Liu C, Chen W, Wang P, Jiang L. Hydrogen-Rich Saline Attenuates Chronic Allodynia after Bone Fractures via Reducing Spinal CXCL1/CXCR2-Mediated Iron Accumulation in Mice. Brain Sci 2022; 12:brainsci12121610. [PMID: 36552070 PMCID: PMC9776060 DOI: 10.3390/brainsci12121610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 11/16/2022] [Accepted: 11/21/2022] [Indexed: 11/27/2022] Open
Abstract
PURPOSE Neuroinflammation often initiates iron overload in the pathogenesis of neurological disorders. Chemokine-driven neuroinflammation is required for central sensitization and chronic allodynia following fractures, but specific molecular modulations are elusive. This present study explored whether hydrogen-rich saline, as one potent anti-inflammatory pharmaceutical, could alleviate fracture-caused allodynia by suppressing chemokine CXCL1 expression and iron overload. METHODS A mouse model of tibial fracture with intramedullary pinning was employed for establishing chronic allodynia. Three applications of hydrogen-rich saline (1, 5 or 10 mL/kg) were administrated intraperitoneally on a daily basis from days 4 to 6 following fractures. Spinal CXCL1 and its receptor CXCR2 levels, transferrin receptor 1 (TfR1) expression and iron concentration were examined. Recombinant CXCL1, a selective CXCR2 antagonist and an iron chelator were used for verification of mechanisms. RESULTS Repetitive injections of hydrogen-rich saline (5 and 10 mL/kg but not 1 mL/kg) prevent fracture-caused mechanical allodynia and cold allodynia in a dose-dependent manner. Single exposure to hydrogen-rich saline (10 mL/kg) on day 14 after orthopedic surgeries controls the established persistent fracture allodynia. Furthermore, hydrogen-rich saline therapy reduces spinal CXCL1/CXCR2 over-expression and TfR1-mediated iron accumulation in fracture mice. Spinal CXCR2 antagonism impairs allodynia and iron overload following fracture surgery. Intrathecal delivery of recombinant CXCL1 induces acute allodynia and spinal iron overload, which is reversed by hydrogen-rich saline. Moreover, iron chelation alleviates exogenous CXCL1-induced acute pain behaviors. CONCLUSIONS These findings identify that hydrogen-rich saline confers protection against fracture-caused chronic allodynia via spinal down-modulation of CXCL1-dependent TfR1-mediated iron accumulation in mice.
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Affiliation(s)
- Yanting Wang
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266000, China
| | - Pei Wang
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266000, China
| | - Cuicui Liu
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266000, China
| | - Wei Chen
- Encephalopathy Clinical Center, Department of Neurology, Qingdao TCM Hospital, Qingdao 266071, China
| | - Pingping Wang
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266000, China
| | - Lili Jiang
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266000, China
- Correspondence:
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Astrocytes in Chronic Pain: Cellular and Molecular Mechanisms. Neurosci Bull 2022; 39:425-439. [PMID: 36376699 PMCID: PMC10043112 DOI: 10.1007/s12264-022-00961-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 06/17/2022] [Indexed: 11/15/2022] Open
Abstract
AbstractChronic pain is challenging to treat due to the limited therapeutic options and adverse side-effects of therapies. Astrocytes are the most abundant glial cells in the central nervous system and play important roles in different pathological conditions, including chronic pain. Astrocytes regulate nociceptive synaptic transmission and network function via neuron–glia and glia–glia interactions to exaggerate pain signals under chronic pain conditions. It is also becoming clear that astrocytes play active roles in brain regions important for the emotional and memory-related aspects of chronic pain. Therefore, this review presents our current understanding of the roles of astrocytes in chronic pain, how they regulate nociceptive responses, and their cellular and molecular mechanisms of action.
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Yang L, Lu J, Guo J, Chen J, Xiong F, Wang X, Chen L, Yu C. Ventrolateral Periaqueductal Gray Astrocytes Regulate Nociceptive Sensation and Emotional Motivation in Diabetic Neuropathic Pain. J Neurosci 2022; 42:8184-8199. [PMID: 36109166 PMCID: PMC9636999 DOI: 10.1523/jneurosci.0920-22.2022] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 09/06/2022] [Accepted: 09/11/2022] [Indexed: 11/21/2022] Open
Abstract
Diabetic neuropathic pain (DNP) is a diabetes complication experienced by many patients. Ventrolateral periaqueductal gray (vlPAG) neurons are essential mediators of the descending pain modulation system, yet the role of vlPAG astrocytes in DNP remains unclear. The present study applied a multidimensional approach to elucidate the role of these astrocytes in DNP. We verified the activation of astrocytes in different regions of the PAG in male DNP-model rats. We found that only astrocytes in the vlPAG exhibited increased growth. Furthermore, we described differences in vlPAG astrocyte activity at different time points during DNP progression. After the 14th day of modeling, vlPAG astrocytes exhibited obvious activation and morphologic changes. Furthermore, activation of Gq-designer receptors exclusively activated by a designer drug (Gq-DREADDs) in vlPAG astrocytes in naive male rats induced neuropathic pain-like symptoms and pain-related aversion, whereas activation of Gi-DREADDs in vlPAG astrocytes in male DNP-model rats alleviated sensations of pain and promoted pain-related preference behavior. Thus, bidirectional manipulation of vlPAG astrocytes revealed their potential to regulate pain. Surprisingly, activation of Gi-DREADDs in vlPAG astrocytes also mitigated anxiety-like behavior induced by DNP. Thus, our results provide direct support for the hypothesis that vlPAG astrocytes regulate diabetes-associated neuropathic pain and concomitant anxiety-like behavior.SIGNIFICANCE STATEMENT Many studies examined the association between the ventrolateral periaqueductal gray (vlPAG) and neuropathic pain. However, few studies have focused on the role of vlPAG astrocytes in diabetic neuropathic pain (DNP) and DNP-related emotional changes. This work confirmed the role of vlPAG astrocytes in DNP by applying a more direct and robust approach. We used chemogenetics to bidirectionally manipulate the activity of vlPAG astrocytes and revealed that vlPAG astrocytes regulate DNP and pain-related behavior. In addition, we discovered that activation of Gi-designer receptors exclusively activated by a designer drug in vlPAG astrocytes alleviated anxiety-like behavior induced by DNP. Together, these findings provide new insights into DNP and concomitant anxiety-like behavior and supply new therapeutic targets for treating DNP.
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Affiliation(s)
- Lan Yang
- Department of Pharmacology, School of Pharmacy, Fujian Medical University, Fuzhou, 350122, Fujian China
| | - Jingshan Lu
- Department of Pharmacology, School of Pharmacy, Fujian Medical University, Fuzhou, 350122, Fujian China
- Fujian Center for Safety Evaluation of New Drug, Fujian Medical University, Fuzhou, 350122, Fujian China
| | - Jianpeng Guo
- Department of Pharmacology, School of Pharmacy, Fujian Medical University, Fuzhou, 350122, Fujian China
| | - Jian Chen
- Department of Pharmacology, School of Pharmacy, Fujian Medical University, Fuzhou, 350122, Fujian China
| | - Fangfang Xiong
- Department of Pharmacology, School of Pharmacy, Fujian Medical University, Fuzhou, 350122, Fujian China
| | - Xinyao Wang
- Department of Pharmacology, School of Pharmacy, Fujian Medical University, Fuzhou, 350122, Fujian China
| | - Li Chen
- Department of Pharmacology, School of Pharmacy, Fujian Medical University, Fuzhou, 350122, Fujian China
- Fujian Key Laboratory of Drug Target Discovery and Structural and Functional Research, Fujian Medical University, Fuzhou, 350122, Fujian China
| | - Changxi Yu
- Department of Pharmacology, School of Pharmacy, Fujian Medical University, Fuzhou, 350122, Fujian China
- Fujian Key Laboratory of Drug Target Discovery and Structural and Functional Research, Fujian Medical University, Fuzhou, 350122, Fujian China
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Asgari Taei A, Khodabakhsh P, Nasoohi S, Farahmandfar M, Dargahi L. Paracrine Effects of Mesenchymal Stem Cells in Ischemic Stroke: Opportunities and Challenges. Mol Neurobiol 2022; 59:6281-6306. [PMID: 35922728 DOI: 10.1007/s12035-022-02967-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Accepted: 07/17/2022] [Indexed: 10/16/2022]
Abstract
It is well acknowledged that neuroprotective effects of transplanted mesenchymal stem cells (MSCs) in ischemic stroke are attributed to their paracrine-mediated actions or bystander effects rather than to cell replacement in infarcted areas. This therapeutic plasticity is due to MSCs' ability to secrete a broad range of bioactive molecules including growth factors, trophic factors, cytokines, chemokines, and extracellular vesicles, overall known as the secretome. The secretome derivatives, such as conditioned medium (CM) or purified extracellular vesicles (EVs), exert remarkable advantages over MSC transplantation in stroke treating. Here, in this review, we used published information to provide an overview on the secretome composition of MSCs, underlying mechanisms of therapeutic effects of MSCs, and preclinical studies on MSC-derived products application in stroke. Furthermore, we discussed current advantages and challenges for successful bench-to-bedside translation.
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Affiliation(s)
- Afsaneh Asgari Taei
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Pariya Khodabakhsh
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sanaz Nasoohi
- Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Farahmandfar
- Department of Neuroscience and Addiction Studies, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Leila Dargahi
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Choi HR, Ha JS, Kim EA, Cho SW, Yang SJ. MiR-30a-5p and miR-153-3p regulate LPS-induced neuroinflammatory response and neuronal apoptosis by targeting NeuroD1. BMB Rep 2022; 55:447-452. [PMID: 35651331 PMCID: PMC9537026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/11/2022] [Accepted: 04/19/2022] [Indexed: 03/08/2024] Open
Abstract
Neurogenic differentiation 1 (NeuroD1) is an essential transcription factor for neuronal differentiation, maturation, and survival, and is associated with inflammation in lipopolysaccharide (LPS)- induced glial cells; however, the concrete mechanisms are still ambiguous. Therefore, we investigated whether NeuroD1-targeting miRNAs affect inflammation and neuronal apoptosis, as well as the underlying mechanism. First, we confirmed that miR-30a-5p and miR-153-3p, which target NeuroD1, reduced NeuroD1 expression in microglia and astrocytes. In LPS-induced microglia, miR-30a-5p and miR-153-3p suppressed pro-inflammatory cytokines, reactive oxygen species, the phosphorylation of c-Jun N-terminal kinase, extracellular-signal-regulated kinase (ERK), and p38, and the expression of cyclooxygenase and inducible nitric oxide synthase (iNOS) via the NF-κB pathway. Moreover, miR-30a-5p and miR-153-3p inhibited the expression of NOD-like receptor pyrin domain containing 3 (NLRP3) inflammasomes, NLRP3, cleaved caspase-1, and IL-1β, which are involved in the innate immune response. In LPS-induced astrocytes, miR-30a-5p and miR-153-3p reduced ERK phosphorylation and iNOS expression via the STAT-3 pathway. Notably, miR-30a-5p exerted greater anti-inflammatory effects than miR-153-3p. Together, these results indicate that miR-30a-5p and miR-153-3p inhibit MAPK/NF-κB pathway in microglia as well as ERK/STAT-3 pathway in astrocytes to reduce LPS-induced neuronal apoptosis. This study highlights the importance of NeuroD1 in microglia and astrocytes neuroinflammation and suggests that it can be regulated by miR-30a-5p and miR-153-3p. [BMB Reports 2022; 55(9): 447-452].
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Affiliation(s)
- Hye-Rim Choi
- Department of Biomedical Laboratory Science, Konyang University, Daejeon 35365, Korea
| | - Ji Sun Ha
- Department of Biomedical Laboratory Science, Konyang University, Daejeon 35365, Korea
| | - Eun-A Kim
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Sung-Woo Cho
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Seung-Ju Yang
- Department of Biomedical Laboratory Science, Konyang University, Daejeon 35365, Korea
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Rao X, Hua F, Zhang L, Lin Y, Fang P, Chen S, Ying J, Wang X. Dual roles of interleukin-33 in cognitive function by regulating central nervous system inflammation. J Transl Med 2022; 20:369. [PMID: 35974336 PMCID: PMC9382782 DOI: 10.1186/s12967-022-03570-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 08/04/2022] [Indexed: 12/13/2022] Open
Abstract
With the advent of an aging society, the incidence of dementia is increasing, resulting in a vast burden on society. It is increasingly acknowledged that neuroinflammation is implicated in various neurological diseases with cognitive dysfunction such as Alzheimer’s disease, multiple sclerosis, ischemic stroke, traumatic brain injury, and central nervous system infections. As an important neuroinflammatory factor, interleukin-33 (IL-33) is highly expressed in various tissues and cells in the mammalian brain, where it plays a role in the pathogenesis of a number of central nervous system conditions. Reams of previous studies have shown that IL-33 has both pro- and anti-inflammatory effects, playing dual roles in the progression of diseases linked to cognitive impairment by regulating the activation and polarization of immune cells, apoptosis, and synaptic plasticity. This article will summarize the current findings on the effects IL-33 exerts on cognitive function by regulating neuroinflammation, and attempt to explore possible therapeutic strategies for cognitive disorders based on the adverse and protective mechanisms of IL-33.
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Affiliation(s)
- Xiuqin Rao
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.,Key Laboratory of Anesthesiology of Jiangxi Province, 1# Minde Road, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Fuzhou Hua
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.,Key Laboratory of Anesthesiology of Jiangxi Province, 1# Minde Road, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Lieliang Zhang
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.,Key Laboratory of Anesthesiology of Jiangxi Province, 1# Minde Road, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Yue Lin
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.,Key Laboratory of Anesthesiology of Jiangxi Province, 1# Minde Road, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Pu Fang
- Department of Neurology, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Shoulin Chen
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.,Key Laboratory of Anesthesiology of Jiangxi Province, 1# Minde Road, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Jun Ying
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.,Key Laboratory of Anesthesiology of Jiangxi Province, 1# Minde Road, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Xifeng Wang
- Department of Anesthesiology, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.
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Lee WS, Kang JH, Lee JH, Kim YS, Kim JJ, Kim HS, Kim HW, Shin US, Yoon BE. Improved gliotransmission by increasing intracellular Ca 2+ via TRPV1 on multi-walled carbon nanotube platforms. J Nanobiotechnology 2022; 20:367. [PMID: 35953847 PMCID: PMC9367080 DOI: 10.1186/s12951-022-01551-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 07/08/2022] [Indexed: 11/13/2022] Open
Abstract
Background Astrocyte is a key regulator of neuronal activity and excitatory/inhibitory balance via gliotransmission. Recently, gliotransmission has been identified as a novel target for neurological diseases. However, using the properties of nanomaterials to modulate gliotransmission has not been uncovered. Results We prepared non-invasive CNT platforms for cells with different nanotopography and properties such as hydrophilicity and conductivity. Using CNT platforms, we investigated the effect of CNT on astrocyte functions participating in synaptic transmission by releasing gliotransmitters. Astrocytes on CNT platforms showed improved cell adhesion and proliferation with upregulated integrin and GFAP expression. In addition, intracellular GABA and glutamate in astrocytes were augmented on CNT platforms. We also demonstrated that gliotransmitters in brain slices were increased by ex vivo incubation with CNT. Additionally, intracellular resting Ca2+ level, which is important for gliotransmission, was also increased via TRPV1 on CNT platforms. Conclusion CNT can improve astrocyte function including adhesion, proliferation and gliotransmission by increasing resting Ca2+ level. Therefore, our study suggests that CNT would be utilized as a new therapeutic platform for central nervous system diseases by modulating gliotransmission. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12951-022-01551-1.
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Affiliation(s)
- Won-Seok Lee
- Department of Molecular Biology, Dankook University, Cheonan, 31116, Republic of Korea.,Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea.,Mechanobiology Dental Medicine Research Center, Cheonan, 31116, Republic of Korea
| | - Ji-Hye Kang
- Department of Nanobiomedical Science, BK21 FOUR NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea.,Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
| | - Jung-Hwan Lee
- Department of Nanobiomedical Science, BK21 FOUR NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea.,Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea.,Department of Biomaterials Science, College of Dentistry, Dankook University, Cheonan, 31116, Republic of Korea.,Dental Medicine Innovation Centre, UCL Eastman-Korea, Dankook University, Cheonan, 31116, Republic of Korea.,Mechanobiology Dental Medicine Research Center, Cheonan, 31116, Republic of Korea
| | - Yoo Sung Kim
- Department of Molecular Biology, Dankook University, Cheonan, 31116, Republic of Korea
| | - Jongmin Joseph Kim
- Department of Molecular Biology, Dankook University, Cheonan, 31116, Republic of Korea
| | - Han-Sem Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
| | - Hae-Won Kim
- Department of Nanobiomedical Science, BK21 FOUR NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea.,Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea.,Department of Biomaterials Science, College of Dentistry, Dankook University, Cheonan, 31116, Republic of Korea.,Dental Medicine Innovation Centre, UCL Eastman-Korea, Dankook University, Cheonan, 31116, Republic of Korea.,Mechanobiology Dental Medicine Research Center, Cheonan, 31116, Republic of Korea
| | - Ueon Sang Shin
- Department of Nanobiomedical Science, BK21 FOUR NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea. .,Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea.
| | - Bo-Eun Yoon
- Department of Molecular Biology, Dankook University, Cheonan, 31116, Republic of Korea. .,Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea. .,Mechanobiology Dental Medicine Research Center, Cheonan, 31116, Republic of Korea.
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Morteza Bagi H, Ahmadi S, Tarighat F, Rahbarghazi R, Soleimanpour H. Interplay between exosomes and autophagy machinery in pain management: State of the art. NEUROBIOLOGY OF PAIN (CAMBRIDGE, MASS.) 2022; 12:100095. [PMID: 35720640 PMCID: PMC9198378 DOI: 10.1016/j.ynpai.2022.100095] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 06/04/2022] [Accepted: 06/04/2022] [Indexed: 05/30/2023]
Abstract
Despite recent progress regarding inexpensive medical approaches, many individuals suffer from moderate to severe pain globally. The discovery and advent of exosomes, as biological nano-sized vesicles, has revolutionized current knowledge about underlying mechanisms associated with several pathological conditions. Indeed, these particles are touted as biological bio-shuttles with the potential to carry specific signaling biomolecules to cells in proximity and remote sites, maintaining cell-to-cell communication in a paracrine manner. A piece of evidence points to an intricate relationship between exosome biogenesis and autophagy signaling pathways at different molecular levels. A close collaboration of autophagic response with exosome release can affect the body's hemostasis and physiology of different cell types. This review is a preliminary attempt to highlight the possible interface of autophagy flux and exosome biogenesis on pain management with a special focus on neuropathic pain. It is thought that this review article will help us to understand the interplay of autophagic response and exosome biogenesis in the management of pain under pathological conditions. The application of therapies targeting autophagy pathway and exosome abscission can be an alternative strategy in the regulation of pain.
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Key Words
- Autophagy
- CESC-Exo, cartilage endplate stem cell-derived Exo
- Cell Therapy
- ER, endoplasmic reticulum
- ESCRT, endosomal sorting complex required for transport
- HSPA8, heat shock protein family A member 8
- LAMP2, lysosomal‑associated membrane protein type 2
- LAT1, large amino acid transporter
- LTs, leukotrienes
- MAPK8/JNK, mitogen-activated protein kinase 8p-/c-Jun N-terminal Kinase
- MMP, matrix metalloproteinase
- MVBs, multivesicular bodies
- NFKB/NF-κB, nuclear factor of kappa light polypeptide gene enhancer in B cells
- NPCs, nucleus pulposus cells
- NPCs-Exo, NPCs-derived Exo
- Neural Exosome
- Pain Management
- SNARE, soluble N-ethylmaleimide-sensitive factor attachment protein receptors
- TLR4, Toll-like receptor 4
- TRAF6, TNF receptor-associated factor 6
- nSMase, ceramide-generating enzyme neutral sphingomyelinases
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Affiliation(s)
- Hamidreza Morteza Bagi
- Emergency and Trauma Care Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sajjad Ahmadi
- Emergency and Trauma Care Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Faezeh Tarighat
- Emergency and Trauma Care Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hassan Soleimanpour
- Road Traffic Injury Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Neonatal encephalopathy plasma metabolites are associated with neurodevelopmental outcomes. Pediatr Res 2022; 92:466-473. [PMID: 34621028 PMCID: PMC8986879 DOI: 10.1038/s41390-021-01741-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 08/06/2021] [Accepted: 08/31/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND To investigate mechanisms of injury and recovery in neonatal encephalopathy (NE), we performed targeted metabolomic analysis of plasma using liquid chromatography with tandem mass spectrometry (LC/MS/MS) from healthy term neonates or neonates with NE. METHODS Plasma samples from the NE (n = 45, day of life 0-1) or healthy neonatal (n = 30, ≥36 weeks gestation) cohorts had LC/MS/MS metabolomic profiling with a 193-plex targeted metabolite assay covering >366 metabolic pathways. Metabolite levels were compared to 2-year neurodevelopmental outcomes measured by the Bayley Scales of Infant and Toddler Development III (Bayley-III). RESULTS Out of 193 metabolites, 57 met the pre-defined quality control criteria for analysis. Significant (after false discovery rate correction) KEGG (Kyoto Encyclopedia of Genes and Genomes) pathways included aminoacyl-tRNA biosynthesis, arginine biosynthesis, and metabolism of multiple amino acids. Significant disease pathways included seizures. In regression models, histidine and C6 sugar amine were significantly associated with cognitive, motor, and language and betaine with cognitive and motor Bayley-III composite scores. The addition of histidine, C6 sugar amine, and betaine to a Sarnat score-based clinical regression model significantly improved model performance (Akaike information criterion and adjusted r2) for Bayley-III cognitive, motor, and language scores. CONCLUSIONS Plasma metabolites may help to predict neurological outcomes in neonatal brain injury and enhance current clinical predictors. IMPACT Plasma metabolites may help to predict neurological outcomes in NE and supplement current clinical predictors. Current metabolomics research is limited in terms of clinical application and association with long-term outcomes. Our study presents novel associations of plasma metabolites from the first 24 h of life and 2-year neurodevelopmental outcomes for infants with NE. Our metabolomics discovery provides insight into possible disease mechanisms and methods to rescue and/or supplement metabolic pathways involved in NE. Our metabolomics discovery of metabolic pathway supplementations and/or rescue mechanisms may serve as adjunctive therapies for NE.
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Khezri MR, Ghasemnejad-Berenji M. Icariin: A Potential Neuroprotective Agent in Alzheimer's Disease and Parkinson's Disease. Neurochem Res 2022; 47:2954-2962. [PMID: 35802286 DOI: 10.1007/s11064-022-03667-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 06/16/2022] [Accepted: 06/18/2022] [Indexed: 11/28/2022]
Abstract
Alzheimer's disease (AD) and Parkinson's disease (PD) are the most common neurodegenerative diseases worldwide. They are characterized by the loss of neurons and synapses in special parts of the central nervous system (CNS). There is no definitive treatment for AD and PD, but extensive studies are underway to identify the effective drugs which can slow the progression of these diseases by affecting the factors involved in their pathophysiology (i.e., aggregated proteins, neuroinflammation, and oxidative stress). Icariin, a natural compound isolated from Epimedii herba, is known because of its anti-inflammatory and anti-oxidant properties. In this regard, there are numerous studies indicating its potential as a natural compound against the progression of CNS disorders, such as neurodegenerative diseases. Therefore, this review aims to re-examine findings on the pharmacologic effects of icariin on factors involved in the pathophysiology of AD and PD.
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Affiliation(s)
| | - Morteza Ghasemnejad-Berenji
- Department of Pharmacology and Toxicology, School of Pharmacy, Urmia University of Medical Sciences, Urmia, Iran. .,Research Center for Experimental and Applied Pharmaceutical Sciences, Urmia University of Medical Sciences, Urmia, Iran.
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Puntambekar SS, Moutinho M, Lin PBC, Jadhav V, Tumbleson-Brink D, Balaji A, Benito MA, Xu G, Oblak A, Lasagna-Reeves CA, Landreth GE, Lamb BT. CX3CR1 deficiency aggravates amyloid driven neuronal pathology and cognitive decline in Alzheimer's disease. Mol Neurodegener 2022; 17:47. [PMID: 35764973 PMCID: PMC9241248 DOI: 10.1186/s13024-022-00545-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Accepted: 05/24/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Despite its identification as a key checkpoint regulator of microglial activation in Alzheimer's disease, the overarching role of CX3CR1 signaling in modulating mechanisms of Aβ driven neurodegeneration, including accumulation of hyperphosphorylated tau is not well understood. METHODOLOGY Accumulation of soluble and insoluble Aβ species, microglial activation, synaptic dysregulation, and neurodegeneration is investigated in 4- and 6-month old 5xFAD;Cx3cr1+/+ and 5xFAD;Cx3cr1-/- mice using immunohistochemistry, western blotting, transcriptomic and quantitative real time PCR analyses of purified microglia. Flow cytometry based, in-vivo Aβ uptake assays are used for characterization of the effects of CX3CR1-signaling on microglial phagocytosis and lysosomal acidification as indicators of clearance of methoxy-X-04+ fibrillar Aβ. Lastly, we use Y-maze testing to analyze the effects of Cx3cr1 deficiency on working memory. RESULTS Disease progression in 5xFAD;Cx3cr1-/- mice is characterized by increased deposition of filamentous plaques that display defective microglial plaque engagement. Microglial Aβ phagocytosis and lysosomal acidification in 5xFAD;Cx3cr1-/- mice is impaired in-vivo. Interestingly, Cx3cr1 deficiency results in heighted accumulation of neurotoxic, oligomeric Aβ, along with severe neuritic dystrophy, preferential loss of post-synaptic densities, exacerbated tau pathology, neuronal loss and cognitive impairment. Transcriptomic analyses using cortical RNA, coupled with qRT-PCR using purified microglia from 6 month-old mice indicate dysregulated TGFβ-signaling and heightened ROS metabolism in 5xFAD;Cx3cr1-/- mice. Lastly, microglia in 6 month-old 5xFAD;Cx3cr1-/- mice express a 'degenerative' phenotype characterized by increased levels of Ccl2, Ccl5, Il-1β, Pten and Cybb along with reduced Tnf, Il-6 and Tgfβ1 mRNA. CONCLUSIONS Cx3cr1 deficiency impairs microglial uptake and degradation of fibrillar Aβ, thereby triggering increased accumulation of neurotoxic Aβ species. Furthermore, loss of Cx3cr1 results in microglial dysfunction typified by dampened TGFβ-signaling, increased oxidative stress responses and dysregulated pro-inflammatory activation. Our results indicate that Aβ-driven microglial dysfunction in Cx3cr1-/- mice aggravates tau hyperphosphorylation, neurodegeneration, synaptic dysregulation and impairs working memory.
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Affiliation(s)
- Shweta S. Puntambekar
- Stark Neurosciences Research Institute, Indiana University-School of Medicine, Indianapolis, IN USA
- Department of Medical and Molecular Genetics, Indiana University-School of Medicine, Indianapolis, IN USA
| | - Miguel Moutinho
- Stark Neurosciences Research Institute, Indiana University-School of Medicine, Indianapolis, IN USA
- Department of Anatomy, Cell Biology and Physiology, Indiana University-School of Medicine, Indianapolis, IN USA
| | - Peter Bor-Chian Lin
- Stark Neurosciences Research Institute, Indiana University-School of Medicine, Indianapolis, IN USA
- Indiana Biomedical Gateway (IBMG) Program, Indiana University-School of Medicine, Indianapolis, IN USA
| | - Vaishnavi Jadhav
- Stark Neurosciences Research Institute, Indiana University-School of Medicine, Indianapolis, IN USA
- Department of Medicine, Division of Gerontology and Geriatric Medicine, University of Washington, Seattle, WA USA
| | - Danika Tumbleson-Brink
- Stark Neurosciences Research Institute, Indiana University-School of Medicine, Indianapolis, IN USA
- Department of Medical and Molecular Genetics, Indiana University-School of Medicine, Indianapolis, IN USA
| | - Ananya Balaji
- Stark Neurosciences Research Institute, Indiana University-School of Medicine, Indianapolis, IN USA
- Indiana Clinical and Translational Institute (CTSI), Summer Research Program (SRP), Indianapolis, IN USA
| | - Martin Alvarado Benito
- Stark Neurosciences Research Institute, Indiana University-School of Medicine, Indianapolis, IN USA
- Department of Medical and Molecular Genetics, Indiana University-School of Medicine, Indianapolis, IN USA
| | - Guixiang Xu
- Stark Neurosciences Research Institute, Indiana University-School of Medicine, Indianapolis, IN USA
- Department of Medical and Molecular Genetics, Indiana University-School of Medicine, Indianapolis, IN USA
| | - Adrian Oblak
- Stark Neurosciences Research Institute, Indiana University-School of Medicine, Indianapolis, IN USA
- Department of Radiology, Indiana University-School of Medicine, Indianapolis, IN USA
| | - Cristian A. Lasagna-Reeves
- Stark Neurosciences Research Institute, Indiana University-School of Medicine, Indianapolis, IN USA
- Department of Anatomy, Cell Biology and Physiology, Indiana University-School of Medicine, Indianapolis, IN USA
| | - Gary E. Landreth
- Stark Neurosciences Research Institute, Indiana University-School of Medicine, Indianapolis, IN USA
- Department of Anatomy, Cell Biology and Physiology, Indiana University-School of Medicine, Indianapolis, IN USA
| | - Bruce T. Lamb
- Stark Neurosciences Research Institute, Indiana University-School of Medicine, Indianapolis, IN USA
- Department of Medical and Molecular Genetics, Indiana University-School of Medicine, Indianapolis, IN USA
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Yu H, Bai S, Hao Y, Guan Y. Fatty acids role in multiple sclerosis as "metabokines". J Neuroinflammation 2022; 19:157. [PMID: 35715809 PMCID: PMC9205055 DOI: 10.1186/s12974-022-02502-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 06/01/2022] [Indexed: 12/21/2022] Open
Abstract
Multiple sclerosis (MS), as an autoimmune neurological disease with both genetic and environmental contribution, still lacks effective treatment options among progressive patients, highlighting the need to re-evaluate disease innate properties in search for novel therapeutic targets. Fatty acids (FA) and MS bear an interesting intimate connection. FA and FA metabolism are highly associated with autoimmunity, as the diet-derived circulatory and tissue-resident FAs level and composition can modulate immune cells polarization, differentiation and function, suggesting their broad regulatory role as “metabokines”. In addition, FAs are indeed protective factors for blood–brain barrier integrity, crucial contributors of central nervous system (CNS) chronic inflammation and progressive degeneration, as well as important materials for remyelination. The remaining area of ambiguity requires further exploration into this arena to validate the existed phenomenon, develop novel therapies, and confirm the safety and efficacy of therapeutic intervention targeting FA metabolism.
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Affiliation(s)
- Haojun Yu
- Department of Neurology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Pudong, Shanghai, 200127, China
| | - Shuwei Bai
- Department of Neurology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Pudong, Shanghai, 200127, China
| | - Yong Hao
- Department of Neurology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Pudong, Shanghai, 200127, China.
| | - Yangtai Guan
- Department of Neurology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Pudong, Shanghai, 200127, China.
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Moayedfard Z, Sani F, Alizadeh A, Bagheri Lankarani K, Zarei M, Azarpira N. The role of the immune system in the pathogenesis of NAFLD and potential therapeutic impacts of mesenchymal stem cell-derived extracellular vesicles. Stem Cell Res Ther 2022; 13:242. [PMID: 35672797 PMCID: PMC9175371 DOI: 10.1186/s13287-022-02929-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 05/23/2022] [Indexed: 12/15/2022] Open
Abstract
Non-Alcoholic Fatty Liver Disease (NAFLD) is characterized by intra-hepatocyte triglyceride accumulation and concomitant involvement of the immune system with subsequent histological changes, tissue damage, and clinical findings. There are various molecular pathways involved in the progression of NAFLD including lipotoxicity, endoplasmic reticulum stress, and the immune response. Both innate and adaptive immune systems are involved in the NAFLD pathogenesis, and crosstalk between the immune cells and liver cells participates in its initiation and progression. Among the various treatments for this disease, new cell based therapies have been proposed. Extracellular vesicles (EVs) derived from mesenchymal stem cells (MSC) (MSC-EVs) are new cell-free vehicles with low immunogenicity, which can suppress detrimental immune responses in inflamed tissues. This review aimed to express the immune system's molecular pathways associated with the initiation and progression of NAFLD. Then, the possible role of MSC-EVs in the treatment of this entity through immune response modulation was discussed. Finally, engineered EVs enhanced by specific therapeutic miRNA were suggested for alleviating the pathological cellular events in liver disease.
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Affiliation(s)
- Zahra Moayedfard
- Department of Tissue Engineering and Cell Therapy, School of Advanced Technologies in Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Farnaz Sani
- Hematology and Cell Therapy Department, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Aliakbar Alizadeh
- Department of Tissue Engineering and Cell Therapy, School of Advanced Technologies in Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Mohammad Zarei
- Renal Division, Brigham and Woman's Hospital, Harvard Medical School, Boston, MA, USA
- John B. Little Center for Radiation Sciences, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Negar Azarpira
- Transplant Research Center, Shiraz University of Medical Sciences, Khalili Street, P.O. Box: 7193711351, Shiraz, Iran.
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50
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Systemic immune-inflammation index is associated with white matter hyperintensity volume. Sci Rep 2022; 12:7379. [PMID: 35513435 PMCID: PMC9072679 DOI: 10.1038/s41598-022-11575-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 04/26/2022] [Indexed: 01/11/2023] Open
Abstract
Systemic immune-inflammation index (SII) is a novel inflammatory marker based on the composition ratio of blood cell counts. In this study, we evaluated the association between the SII and cerebral small vessel disease (cSVD) in health check-up participants. We evaluated participants from our health check-up registry between 2006 and 2013. The SII was calculated using the following formula: SII = (platelet count × neutrophil count)/lymphocyte count. cSVD was assessed by considering white matter hyperintensity (WMH) volume, lacunes, and cerebral microbleeds (CMBs). A total of 3187 participants were assessed. In multivariable linear regression analysis, the SII was significantly related to WMH volume [β = 0.120, 95% confidence interval (CI) 0.050–0.189]. However, lacunes and CMBs showed no statistical significance with the SII. In the subgroup analysis by age, the SII was significantly associated with WMH volume only in participants aged ≥ 60 years (β = 0.225, 95% CI 0.068–0.381). In conclusion, a high SII was associated with cSVD. Since this association was more pronounced in WMH than in lacunes or CMBs, WMH might be closer to the inflammation-related pathological mechanisms.
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