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Wang C, Cheng F, Han Z, Yan B, Liao P, Yin Z, Ge X, Li D, Zhong R, Liu Q, Chen F, Lei P. Human-induced pluripotent stem cell-derived neural stem cell exosomes improve blood-brain barrier function after intracerebral hemorrhage by activating astrocytes via PI3K/AKT/MCP-1 axis. Neural Regen Res 2025; 20:518-532. [PMID: 38819064 DOI: 10.4103/nrr.nrr-d-23-01889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 03/07/2024] [Indexed: 06/01/2024] Open
Abstract
JOURNAL/nrgr/04.03/01300535-202502000-00029/figure1/v/2024-05-28T214302Z/r/image-tiff Cerebral edema caused by blood-brain barrier injury after intracerebral hemorrhage is an important factor leading to poor prognosis. Human-induced pluripotent stem cell-derived neural stem cell exosomes (hiPSC-NSC-Exos) have shown potential for brain injury repair in central nervous system diseases. In this study, we explored the impact of hiPSC-NSC-Exos on blood-brain barrier preservation and the underlying mechanism. Our results indicated that intranasal delivery of hiPSC-NSC-Exos mitigated neurological deficits, enhanced blood-brain barrier integrity, and reduced leukocyte infiltration in a mouse model of intracerebral hemorrhage. Additionally, hiPSC-NSC-Exos decreased immune cell infiltration, activated astrocytes, and decreased the secretion of inflammatory cytokines like monocyte chemoattractant protein-1, macrophage inflammatory protein-1α, and tumor necrosis factor-α post-intracerebral hemorrhage, thereby improving the inflammatory microenvironment. RNA sequencing indicated that hiPSC-NSC-Exo activated the PI3K/AKT signaling pathway in astrocytes and decreased monocyte chemoattractant protein-1 secretion, thereby improving blood-brain barrier integrity. Treatment with the PI3K/AKT inhibitor LY294002 or the monocyte chemoattractant protein-1 neutralizing agent C1142 abolished these effects. In summary, our findings suggest that hiPSC-NSC-Exos maintains blood-brain barrier integrity, in part by downregulating monocyte chemoattractant protein-1 secretion through activation of the PI3K/AKT signaling pathway in astrocytes.
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Affiliation(s)
- Conglin Wang
- Department of Geriatrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Fangyuan Cheng
- Department of Geriatrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Zhaoli Han
- Department of Geriatrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Bo Yan
- Department of Geriatrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Pan Liao
- School of Medicine, Nankai University, Tianjin, China
| | - Zhenyu Yin
- Department of Geriatrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Xintong Ge
- Department of Geriatrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Dai Li
- Department of Geriatrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Rongrong Zhong
- Department of Geriatrics, Tianjin Medical University General Hospital, Tianjin, China
| | - Qiang Liu
- Tianjin Neurological Institute, Tianjin, China
| | | | - Ping Lei
- Department of Geriatrics, Tianjin Medical University General Hospital, Tianjin, China
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2
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Xu H, Li H, Zhang P, Gao Y, Ma H, Gao T, Liu H, Hua W, Zhang L, Zhang X, Yang P, Liu J. The functions of exosomes targeting astrocytes and astrocyte-derived exosomes targeting other cell types. Neural Regen Res 2024; 19:1947-1953. [PMID: 38227520 DOI: 10.4103/1673-5374.390961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Accepted: 09/08/2023] [Indexed: 01/17/2024] Open
Abstract
Astrocytes are the most abundant glial cells in the central nervous system; they participate in crucial biological processes, maintain brain structure, and regulate nervous system function. Exosomes are cell-derived extracellular vesicles containing various bioactive molecules including proteins, peptides, nucleotides, and lipids secreted from their cellular sources. Increasing evidence shows that exosomes participate in a communication network in the nervous system, in which astrocyte-derived exosomes play important roles. In this review, we have summarized the effects of exosomes targeting astrocytes and the astrocyte-derived exosomes targeting other cell types in the central nervous system. We also discuss the potential research directions of the exosome-based communication network in the nervous system. The exosome-based intercellular communication focused on astrocytes is of great significance to the biological and/or pathological processes in different conditions in the brain. New strategies may be developed for the diagnosis and treatment of neurological disorders by focusing on astrocytes as the central cells and utilizing exosomes as communication mediators.
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Affiliation(s)
- Hongye Xu
- Neurovascular Center, Changhai Hospital, Naval Medical University, Shanghai, China
| | - He Li
- Neurovascular Center, Changhai Hospital, Naval Medical University, Shanghai, China
- Department of Emergency, Naval Hospital of Eastern Theater, Zhoushan, Zhejiang Province, China
| | - Ping Zhang
- Neurovascular Center, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Yuan Gao
- Neurovascular Center, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Hongyu Ma
- Neurovascular Center, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Tianxiang Gao
- Neurovascular Center, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Hanchen Liu
- Neurovascular Center, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Weilong Hua
- Neurovascular Center, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Lei Zhang
- Neurovascular Center, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Xiaoxi Zhang
- Neurovascular Center, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Pengfei Yang
- Neurovascular Center, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Jianmin Liu
- Neurovascular Center, Changhai Hospital, Naval Medical University, Shanghai, China
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3
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Song J, Zhou D, Cui L, Wu C, Jia L, Wang M, Li J, Ya J, Ji X, Meng R. Advancing stroke therapy: innovative approaches with stem cell-derived extracellular vesicles. Cell Commun Signal 2024; 22:369. [PMID: 39039539 PMCID: PMC11265156 DOI: 10.1186/s12964-024-01752-1] [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: 05/17/2024] [Accepted: 07/16/2024] [Indexed: 07/24/2024] Open
Abstract
Stroke is a leading cause of mortality and long-term disability globally, with acute ischemic stroke (AIS) being the most common subtype. Despite significant advances in reperfusion therapies, their limited time window and associated risks underscore the necessity for novel treatment strategies. Stem cell-derived extracellular vesicles (EVs) have emerged as a promising therapeutic approach due to their ability to modulate the post-stroke microenvironment and facilitate neuroprotection and neurorestoration. This review synthesizes current research on the therapeutic potential of stem cell-derived EVs in AIS, focusing on their origin, biogenesis, mechanisms of action, and strategies for enhancing their targeting capacity and therapeutic efficacy. Additionally, we explore innovative combination therapies and discuss both the challenges and prospects of EV-based treatments. Our findings reveal that stem cell-derived EVs exhibit diverse therapeutic effects in AIS, such as promoting neuronal survival, diminishing neuroinflammation, protecting the blood-brain barrier, and enhancing angiogenesis and neurogenesis. Various strategies, including targeting modifications and cargo modifications, have been developed to improve the efficacy of EVs. Combining EVs with other treatments, such as reperfusion therapy, stem cell transplantation, nanomedicine, and gut microbiome modulation, holds great promise for improving stroke outcomes. However, challenges such as the heterogeneity of EVs and the need for standardized protocols for EV production and quality control remain to be addressed. Stem cell-derived EVs represent a novel therapeutic avenue for AIS, offering the potential to address the limitations of current treatments. Further research is needed to optimize EV-based therapies and translate their benefits to clinical practice, with an emphasis on ensuring safety, overcoming regulatory hurdles, and enhancing the specificity and efficacy of EV delivery to target tissues.
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Affiliation(s)
- Jiahao Song
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- Advanced Center of Stroke, Beijing Institute for Brain Disorders, Beijing, 100053, China
- National Center for Neurological Disorders, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Da Zhou
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
- Advanced Center of Stroke, Beijing Institute for Brain Disorders, Beijing, 100053, China.
- National Center for Neurological Disorders, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
| | - Lili Cui
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- Advanced Center of Stroke, Beijing Institute for Brain Disorders, Beijing, 100053, China
- National Center for Neurological Disorders, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Chuanjie Wu
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- Advanced Center of Stroke, Beijing Institute for Brain Disorders, Beijing, 100053, China
- National Center for Neurological Disorders, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Lina Jia
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- Advanced Center of Stroke, Beijing Institute for Brain Disorders, Beijing, 100053, China
- National Center for Neurological Disorders, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Mengqi Wang
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- Advanced Center of Stroke, Beijing Institute for Brain Disorders, Beijing, 100053, China
- National Center for Neurological Disorders, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Jingrun Li
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- Advanced Center of Stroke, Beijing Institute for Brain Disorders, Beijing, 100053, China
- National Center for Neurological Disorders, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Jingyuan Ya
- Academic Unit of Mental Health and Clinical Neuroscience, School of Medicine, University of Nottingham, Nottingham, England
| | - Xunming Ji
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- Advanced Center of Stroke, Beijing Institute for Brain Disorders, Beijing, 100053, China
- National Center for Neurological Disorders, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Ran Meng
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
- Advanced Center of Stroke, Beijing Institute for Brain Disorders, Beijing, 100053, China.
- National Center for Neurological Disorders, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
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4
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Wang W, Liu X, Wang Y, Zhou D, Chen L. Application of biomaterials in the treatment of intracerebral hemorrhage. Biomater Sci 2024. [PMID: 39007343 DOI: 10.1039/d4bm00630e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
Although the current surgical hematoma removal treatment saves patients' lives in critical moments of intracerebral hemorrhage (ICH), the lethality and disability rates of ICH are still very high. Due to the individual differences of patients, postoperative functional improvement is still to be confirmed, and the existing drug treatment has limited benefits for ICH. Recent advances in biomaterials may provide new ideas for the therapy of ICH. This review first briefly describes the pathogenic mechanisms of ICH, including primary and secondary injuries such as inflammation and intracerebral edema, and briefly describes the existing therapeutic approaches and their limitations. Secondly, existing nanomaterials and hydrogels for ICH, including exosomes, liposomes, and polymer nanomaterials, are also described. In addition, the potential challenges and application prospects of these biomaterials for clinical translation in ICH treatment are discussed.
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Affiliation(s)
- Wei Wang
- Department of Neurosurgery, Southern Medical University Hospital of Integrated Traditional Chinese and Western Medicine, Southern Medical University, Guangzhou 510310, P. R. China.
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism & Guangdong Provincial Key Laboratory of New Drug Screening & Guangdong-Hongkong-Macao Joint Laboratory for New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, 510515, P. R. China.
| | - Xiaowen Liu
- Department of Neurosurgery, Southern Medical University Hospital of Integrated Traditional Chinese and Western Medicine, Southern Medical University, Guangzhou 510310, P. R. China.
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism & Guangdong Provincial Key Laboratory of New Drug Screening & Guangdong-Hongkong-Macao Joint Laboratory for New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, 510515, P. R. China.
| | - Yupeng Wang
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism & Guangdong Provincial Key Laboratory of New Drug Screening & Guangdong-Hongkong-Macao Joint Laboratory for New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, 510515, P. R. China.
| | - Dongfang Zhou
- Department of Neurosurgery, Southern Medical University Hospital of Integrated Traditional Chinese and Western Medicine, Southern Medical University, Guangzhou 510310, P. R. China.
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism & Guangdong Provincial Key Laboratory of New Drug Screening & Guangdong-Hongkong-Macao Joint Laboratory for New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, 510515, P. R. China.
- Key Laboratory of Mental Health of the Ministry of Education, Southern Medical University, Guangzhou, 510515, P. R. China
| | - Lukui Chen
- Department of Neurosurgery, Southern Medical University Hospital of Integrated Traditional Chinese and Western Medicine, Southern Medical University, Guangzhou 510310, P. R. China.
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5
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Jia P, Peng Q, Fan X, Zhang Y, Xu H, Li J, Sonita H, Liu S, Le A, Hu Q, Zhao T, Zhang S, Wang J, Zille M, Jiang C, Chen X, Wang J. Immune-mediated disruption of the blood-brain barrier after intracerebral hemorrhage: Insights and potential therapeutic targets. CNS Neurosci Ther 2024; 30:e14853. [PMID: 39034473 PMCID: PMC11260770 DOI: 10.1111/cns.14853] [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: 05/17/2024] [Revised: 06/21/2024] [Accepted: 07/02/2024] [Indexed: 07/23/2024] Open
Abstract
AIMS Intracerebral hemorrhage (ICH) is a condition that arises due to the rupture of cerebral blood vessels, leading to the flow of blood into the brain tissue. One of the pathological alterations that occurs during an acute ICH is an impairment of the blood-brain barrier (BBB), which leads to severe perihematomal edema and an immune response. DISCUSSION A complex interplay between the cells of the BBB, for example, pericytes, astrocytes, and brain endothelial cells, with resident and infiltrating immune cells, such as microglia, monocytes, neutrophils, T lymphocytes, and others accounts for both damaging and protective mechanisms at the BBB following ICH. However, the precise immunological influence of BBB disruption has yet to be richly ascertained, especially at various stages of ICH. CONCLUSION This review summarizes the changes in different cell types and molecular components of the BBB associated with immune-inflammatory responses during ICH. Furthermore, it highlights promising immunoregulatory therapies to protect the integrity of the BBB after ICH. By offering a comprehensive understanding of the mechanisms behind BBB damage linked to cellular and molecular immunoinflammatory responses after ICH, this article aimed to accelerate the identification of potential therapeutic targets and expedite further translational research.
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Affiliation(s)
- Peijun Jia
- Department of Pain MedicineThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouChina
- Department of Human AnatomySchool of Basic Medical Sciences of Zhengzhou UniversityZhengzhouChina
- School of Life SciencesZhengzhou UniversityZhengzhouChina
| | - Qinfeng Peng
- Department of Human AnatomySchool of Basic Medical Sciences of Zhengzhou UniversityZhengzhouChina
| | - Xiaochong Fan
- Department of Pain MedicineThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouChina
| | - Yumeng Zhang
- Department of Human AnatomySchool of Basic Medical Sciences of Zhengzhou UniversityZhengzhouChina
| | - Hanxiao Xu
- Department of Human AnatomySchool of Basic Medical Sciences of Zhengzhou UniversityZhengzhouChina
| | - Jiaxin Li
- Department of Human AnatomySchool of Basic Medical Sciences of Zhengzhou UniversityZhengzhouChina
| | - Houn Sonita
- Department of Human AnatomySchool of Basic Medical Sciences of Zhengzhou UniversityZhengzhouChina
| | - Simon Liu
- David Geffen School of MedicineUniversity of California Los AngelesLos AngelesCaliforniaUSA
| | - Anh Le
- George Washington School of Medicine and Health SciencesWashingtonDCUSA
| | - Qiongqiong Hu
- Department of NeurologyZhengzhou Central Hospital Affiliated to Zhengzhou UniversityZhengzhouHenanChina
| | - Ting Zhao
- Department of NeurologyPeople's Hospital of Zhengzhou UniversityZhengzhouChina
| | - Shijie Zhang
- School of Life SciencesZhengzhou UniversityZhengzhouChina
| | - Junmin Wang
- Department of Human AnatomySchool of Basic Medical Sciences of Zhengzhou UniversityZhengzhouChina
| | - Marietta Zille
- Division of Pharmacology and Toxicology, Department of Pharmaceutical SciencesUniversity of ViennaViennaAustria
| | - Chao Jiang
- Department of NeurologyPeople's Hospital of Zhengzhou UniversityZhengzhouChina
| | - Xuemei Chen
- Department of Human AnatomySchool of Basic Medical Sciences of Zhengzhou UniversityZhengzhouChina
| | - Jian Wang
- Department of Pain MedicineThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouChina
- Department of Human AnatomySchool of Basic Medical Sciences of Zhengzhou UniversityZhengzhouChina
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6
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Xu G, Dong F, Su L, Tan ZX, Lei M, Li L, Wen D, Zhang F. The role and therapeutic potential of nuclear factor κB (NF-κB) in ischemic stroke. Biomed Pharmacother 2024; 171:116140. [PMID: 38211425 DOI: 10.1016/j.biopha.2024.116140] [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: 11/12/2023] [Revised: 01/03/2024] [Accepted: 01/04/2024] [Indexed: 01/13/2024] Open
Abstract
Stroke is a prevalent cerebrovascular condition with a global impact, causing significant rates of illness and death. Despite extensive research, the available treatment options for stroke remain restricted. Hence, it is crucial to gain a deeper understanding of the molecular mechanisms associated with the onset and advancement of stroke in order to establish a theoretical foundation for novel preventive and therapeutic approaches. NF-κB, also known as nuclear factor κB, is a transcription factor responsible for controlling the expression of numerous genes and plays a crucial role in diverse physiological processes. NF-κB is triggered and regulates neuroinflammation and other processes after stroke, promoting the generation of cytokine storms and contributing to the advancement of ischemic stroke (IS). Therefore, NF-κB could potentially play a vital role in stroke by regulating diverse pathophysiological processes. This review provides an overview of the functions of NF-κB in stroke and its governing mechanisms. In addition, our attention is directed towards various potential therapies that aim to inhibit the NF-κB signaling pathway in order to offer valuable insights for the advancement of innovative treatment approaches for stroke.
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Affiliation(s)
- Guangyu Xu
- Department of Rehabilitation Medicine, The Third Hospital of Hebei Medical University, Shijiazhuang 050051, PR China
| | - Fang Dong
- Department of Clinical Laboratory Medicine, The Third Hospital of Hebei Medical University, Shijiazhuang 050051, PR China
| | - Lei Su
- Department of Radiotherapy, Affiliated Hospital of Hebei University, Baoding 071000, PR China
| | - Zi-Xuan Tan
- Department of Rehabilitation Medicine, The Third Hospital of Hebei Medical University, Shijiazhuang 050051, PR China
| | - Mingcheng Lei
- Department of Rehabilitation Medicine, The Third Hospital of Hebei Medical University, Shijiazhuang 050051, PR China
| | - Lina Li
- Department of Rehabilitation Medicine, The Third Hospital of Hebei Medical University, Shijiazhuang 050051, PR China
| | - Di Wen
- College of Forensic Medicine, Hebei Medical University, Shijiazhuang 050017, PR China; Hebei Key Laboratory of Forensic Medicine, Collaborative Innovation Center of Forensic Medical Molecular Identification, Shijiazhuang 050017, PR China; Research Unit of Digestive Tract Microecosystem Pharmacology and Toxicology, Chinese Academy of Medical Sciences, Shijiazhuang 050017, PR China.
| | - Feng Zhang
- Department of Rehabilitation Medicine, The Third Hospital of Hebei Medical University, Shijiazhuang 050051, PR China.
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7
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Cui S, Ke L, Wang H, Li L. TSG-6 alleviates cerebral ischemia/reperfusion injury and blood-brain barrier disruption by suppressing ER stress-mediated inflammation. Brain Res 2023; 1817:148466. [PMID: 37336316 DOI: 10.1016/j.brainres.2023.148466] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 06/09/2023] [Accepted: 06/14/2023] [Indexed: 06/21/2023]
Abstract
Tumor necrosis factor-stimulated gene-6 (TSG-6) exhibits promising neuroprotective activity, but how it influences cerebral ischemia/reperfusion (CIR) injury remains to be established. Here, the impact of TSG-6 on the CIR-induced disturbance in the blood-brain barrier (BBB) and associated neurological degeneration was assessed, and the related molecular processes were explored. In this study, TSG-6 markedly reduced CIR-mediated increases in neurological deficit scores, decreased infarct volume, and protected against the apoptotic death of neurons in MCAO/R model rats. Similarly, TSG-6 pretreatment protected cultured neurons against OGD/R-associated neuronal death. TSG-6 also restored BBB integrity, suppressing PERK-eIF2α and IRE1α-TRAF2 pathway activation in CIR model systems, thereby inhibiting NF-κB, TNF-α, IL-1β, and IL-6. The further use of specific inhibitors of ER stress, 4-phenyl butyric acid (4-PBA), PERK (GSK2656157), and IRE1α (STF083010) demonstrated the ability of ER stress to drive inflammatory activity in the context of CIR injury i the PERK-eIF2α-NF-κB and IRE1α-TRAF2-NF-κB pathways. Consistently, the activation of ER stress using tunicamycin resulted in reversing the beneficial effects of TSG-6 on CIR-associated BBB disruption and neurological damage in vitro and in vivo. Treatment with TSG-6 can protect against CIR injury via the inhibition of ER stress-related inflammatory activity induced through the PERK-eIF2α-NF-κB and IRE1α-TRAF2-NF-κB pathways.
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Affiliation(s)
- Shengwei Cui
- Department of Neurology, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei 230031, China; Department of Neurology, Graduate School of Anhui University of Traditional Chinese Medicine, Anhui, Hefei 230038, China
| | - Li Ke
- Department of Thoracic Surgery, the First Affiliated Hospital of University of Science and Technology of China (Anhui Provincial Hospital), Lujiang Road 17, Hefei 230001, China.
| | - Han Wang
- Department of Neurology, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei 230031, China.
| | - Liangyong Li
- Department of Neurology, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei 230031, China.
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8
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Gao X, Gao H, Yue K, Cao X, Yang E, Zhang Z, Huang Y, Li X, Ding D, Luo P, Jiang X. Observing Extracellular Vesicles Originating from Endothelial Cells in Vivo Demonstrates Improved Astrocyte Function Following Ischemic Stroke via Aggregation-Induced Emission Luminogens. ACS NANO 2023; 17:16174-16191. [PMID: 37535897 PMCID: PMC10448755 DOI: 10.1021/acsnano.3c05309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 07/27/2023] [Indexed: 08/05/2023]
Abstract
Extracellular vesicles (EVs) obtained from endothelial cells (ECs) have significant therapeutic potential in the clinical management of individuals with ischemic stroke (IS) because they effectively treat ischemic stroke in animal models. However, because molecular probes with both high labeling efficiency and tracer stability are lacking, monitoring the actions of EC-EVs in the brain remains difficult. The specific intracellular targets in the brain that EC-EVs act on to produce their protective effects are still unknown, greatly impeding their use in clinical settings. For this research, we created a probe that possessed aggregation-induced emission (AIE) traits (namely, TTCP), enabling the effective labeling of EC-EVs while preserving their physiological properties. In vitro, TTCP simultaneously had a higher EC-EV labeling efficiency and better tracer stability than the commercial EV tags PKH-67 and DiI. In vivo, TTCP precisely tracked the actions of EC-EVs in a mouse IS model without influencing their protective effects. Furthermore, through the utilization of TTCP, it was determined that astrocytes were the specific cells affected by EC-EVs and that EC-EVs exhibited a safeguarding impact on astrocytes following cerebral ischemia-reperfusion (I/R) injury. These protective effects encompassed the reduction of the inflammatory reaction and apoptosis as well as the enhancement of cell proliferation. Further analysis showed that miRNA-155-5p carried by EC-EVs is responsible for these protective effects via regulation of the c-Fos/AP-1 pathway; this information provided a strategy for IS therapy. In conclusion, TTCP has a high EC-EV labeling efficiency and favorable in vivo tracer stability during IS therapy. Moreover, EC-EVs are absorbed by astrocytes during cerebral I/R injury and promote the restoration of neurological function through the regulation of the c-Fos/AP-1 signaling pathway.
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Affiliation(s)
- Xiangyu Gao
- Department
of Neurosurgery, Xijing Hospital, Fourth
Military Medical University, Xi’an 710032, China
| | - Heqi Gao
- The
Key Laboratory of Bioactive Materials, Ministry of Education, The
College of Life Sciences, Nankai University, Tianjin 300071, China
- Center
for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology,
Guangdong Research Center for Interfacial Engineering of Functional
Materials, College of Materials Science and Engineering, College of
Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518000, China
| | - Kangyi Yue
- Department
of Neurosurgery, Xijing Hospital, Fourth
Military Medical University, Xi’an 710032, China
| | - Xiuli Cao
- Department
of Medical Genetics and Developmental Biology, Fourth Military Medical University Xi’an 710032, China
| | - Erwan Yang
- Department
of Neurosurgery, Xijing Hospital, Fourth
Military Medical University, Xi’an 710032, China
| | - Zhuoyuan Zhang
- Department
of Neurosurgery, Xijing Hospital, Fourth
Military Medical University, Xi’an 710032, China
- School
of Life Science, Northwest University, Xi’an 710032, China
| | - Yutao Huang
- Department
of Neurosurgery, Xijing Hospital, Fourth
Military Medical University, Xi’an 710032, China
| | - Xin Li
- Department
of Anesthesiology, Xijing Hospital, Fourth
Military Medical University, Xi’an 710032, China
| | - Dan Ding
- The
Key Laboratory of Bioactive Materials, Ministry of Education, The
College of Life Sciences, Nankai University, Tianjin 300071, China
| | - Peng Luo
- Department
of Neurosurgery, Xijing Hospital, Fourth
Military Medical University, Xi’an 710032, China
| | - Xiaofan Jiang
- Department
of Neurosurgery, Xijing Hospital, Fourth
Military Medical University, Xi’an 710032, China
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9
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Chen D, Shi L, Zhong D, Nie Y, Yang Y, Liu D. Hsa_circ_0002019 promotes cell proliferation, migration, and invasion by regulating TNFAIP6/NF-κB signaling in gastric cancer. Genomics 2023; 115:110641. [PMID: 37201873 DOI: 10.1016/j.ygeno.2023.110641] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 04/25/2023] [Accepted: 05/14/2023] [Indexed: 05/20/2023]
Abstract
BACKGROUND Gastric cancer (GC) is a common cancer with a high incidence and mortality rate. Herein, the role of hsa_circ_0002019 (circ_0002019) in GC was investigated. METHODS The molecular structure and stability of circ_0002019 were identified by RNase R, and Actinomycin D treatment. Molecular associations were verified by RIP. Proliferation, migration, and invasion were detected by CCK-8, EdU, and Transwell, respectively. The effect of circ_0002019 on tumor growth was analyzed in vivo. RESULTS Circ_0002019 was elevated in GC tissues and cells. Circ_0002019 knockdown inhibited the proliferation, migration, and invasion. Mechanically, circ_0002019 activated NF-κB signaling by increasing TNFAIP6 mRNA stability by PTBP1. Activation of NF-κB signaling limited the antitumor effect of circ_0002019 silencing in GC. Circ_0002019 knockdown inhibited tumor growth in vivo by reducing TNFAIP6 expression. CONCLUSIONS Circ_0002019 accelerated the proliferation, migration, and invasion by regulating TNFAIP6/NF-κB pathway, suggesting circ_0002019 could be a key regulatory factor in GC progression.
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Affiliation(s)
- Dan Chen
- Department of Gastroenterology, Jinhua People's Hospital, Jinhua 321000, Zhejiang Province, China
| | - Li Shi
- Department of Gastroenterology, Jinhua People's Hospital, Jinhua 321000, Zhejiang Province, China
| | - Dingfu Zhong
- Department of Gastroenterology, Jinhua People's Hospital, Jinhua 321000, Zhejiang Province, China
| | - Ying Nie
- Department of Gastroenterology, Jinhua People's Hospital, Jinhua 321000, Zhejiang Province, China
| | - Yi Yang
- Department of Gastroenterology, Jinhua People's Hospital, Jinhua 321000, Zhejiang Province, China
| | - Dong Liu
- Department of Hepatobiliary and Pancreatic Gastroenterology, Jinhua People's Hospital, Jinhua 321000, Zhejiang Province, China.
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10
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Hay AJD, Latham AS, Mumford G, Hines AD, Risen S, Gordon E, Siebenaler C, Gilberto VS, Zabel MD, Moreno JA. Intranasally delivered mesenchymal stromal cells decrease glial inflammation early in prion disease. Front Neurosci 2023; 17:1158408. [PMID: 37250395 PMCID: PMC10213210 DOI: 10.3389/fnins.2023.1158408] [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: 02/03/2023] [Accepted: 04/19/2023] [Indexed: 05/31/2023] Open
Abstract
Mesenchymal stromal cells (MSCs) are an intriguing avenue for the treatment of neurological disorders due to their ability to migrate to sites of neuroinflammation and respond to paracrine signaling in those sites by secreting cytokines, growth factors, and other neuromodulators. We potentiated this ability by stimulating MSCs with inflammatory molecules, improving their migratory and secretory properties. We investigated the use of intranasally delivered adipose-derived MSCs (AdMSCs) in combating prion disease in a mouse model. Prion disease is a rare, lethal neurodegenerative disease that results from the misfolding and aggregation of the prion protein. Early signs of this disease include neuroinflammation, activation of microglia, and development of reactive astrocytes. Later stages of disease include development of vacuoles, neuronal loss, abundant aggregated prions, and astrogliosis. We demonstrate the ability of AdMSCs to upregulate anti-inflammatory genes and growth factors when stimulated with tumor necrosis factor alpha (TNFα) or prion-infected brain homogenates. We stimulated AdMSCs with TNFα and performed biweekly intranasal deliveries of AdMSCs on mice that had been intracranially inoculated with mouse-adapted prions. At early stages in disease, animals treated with AdMSCs showed decreased vacuolization throughout the brain. Expression of genes associated with Nuclear Factor-kappa B (NF-κB) and Nod-Like Receptor family pyrin domain containing 3 (NLRP3) inflammasome signaling were decreased in the hippocampus. AdMSC treatment promoted a quiescent state in hippocampal microglia by inducing changes in both number and morphology. Animals that received AdMSCs showed a decrease in both overall and reactive astrocyte number, and morphological changes indicative of homeostatic astrocytes. Although this treatment did not prolong survival or rescue neurons, it demonstrates the benefits of MSCs in combatting neuroinflammation and astrogliosis.
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Affiliation(s)
- Arielle J. D. Hay
- Prion Research Center, Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Amanda S. Latham
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Brain Research Center, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Genova Mumford
- Prion Research Center, Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Amelia D. Hines
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Brain Research Center, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Sydney Risen
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Brain Research Center, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Elizabeth Gordon
- Prion Research Center, Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Connor Siebenaler
- Prion Research Center, Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Vincenzo S. Gilberto
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Brain Research Center, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Mark D. Zabel
- Prion Research Center, Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Center for Healthy Aging, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Julie A. Moreno
- Prion Research Center, Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Brain Research Center, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Center for Healthy Aging, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
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11
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Di Santo C, La Russa D, Greco R, Persico A, Zanaboni AM, Bagetta G, Amantea D. Characterization of the Involvement of Tumour Necrosis Factor (TNF)-α-Stimulated Gene 6 (TSG-6) in Ischemic Brain Injury Caused by Middle Cerebral Artery Occlusion in Mouse. Int J Mol Sci 2023; 24:ijms24065800. [PMID: 36982872 PMCID: PMC10051687 DOI: 10.3390/ijms24065800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 03/03/2023] [Accepted: 03/16/2023] [Indexed: 03/30/2023] Open
Abstract
The identification of novel targets to modulate the immune response triggered by cerebral ischemia is crucial to promote the development of effective stroke therapeutics. Since tumour necrosis factor (TNF)-α-stimulated gene 6 (TSG-6), a hyaluronate (HA)-binding protein, is involved in the regulation of immune and stromal cell functions in acute neurodegeneration, we aimed to characterize its involvement in ischemic stroke. Transient middle cerebral artery occlusion (1 h MCAo, followed by 6 to 48 of reperfusion) in mice resulted in a significant elevation in cerebral TSG-6 protein levels, mainly localized in neurons and myeloid cells of the lesioned hemisphere. These myeloid cells were clearly infiltrating from the blood, strongly suggesting that brain ischemia also affects TSG-6 in the periphery. Accordingly, TSG-6 mRNA expression was elevated in peripheral blood mononuclear cells (PBMCs) from patients 48 h after ischemic stroke onset, and TSG-6 protein expression was higher in the plasma of mice subjected to 1 h MCAo followed by 48 h of reperfusion. Surprisingly, plasma TSG-6 levels were reduced in the acute phase (i.e., within 24 h of reperfusion) when compared to sham-operated mice, supporting the hypothesis of a detrimental role of TSG-6 in the early reperfusion stage. Accordingly, systemic acute administration of recombinant mouse TSG-6 increased brain levels of the M2 marker Ym1, providing a significant reduction in the brain infarct volume and general neurological deficits in mice subjected to transient MCAo. These findings suggest a pivotal role of TSG-6 in ischemic stroke pathobiology and underscore the clinical relevance of further investigating the mechanisms underlying its immunoregulatory role.
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Affiliation(s)
- Chiara Di Santo
- Section of Preclinical and Translational Pharmacology, Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy
| | - Daniele La Russa
- Section of Preclinical and Translational Pharmacology, Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy
| | - Rosaria Greco
- IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, PV, Italy
| | | | | | - Giacinto Bagetta
- Section of Preclinical and Translational Pharmacology, Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy
| | - Diana Amantea
- Section of Preclinical and Translational Pharmacology, Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy
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12
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La Russa D, Di Santo C, Lizasoain I, Moraga A, Bagetta G, Amantea D. Tumor Necrosis Factor (TNF)-α-Stimulated Gene 6 (TSG-6): A Promising Immunomodulatory Target in Acute Neurodegenerative Diseases. Int J Mol Sci 2023; 24:ijms24021162. [PMID: 36674674 PMCID: PMC9865344 DOI: 10.3390/ijms24021162] [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: 12/05/2022] [Revised: 12/26/2022] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Tumor necrosis factor (TNF)-α-stimulated gene 6 (TSG-6), the first soluble chemokine-binding protein to be identified in mammals, inhibits chemotaxis and transendothelial migration of neutrophils and attenuates the inflammatory response of dendritic cells, macrophages, monocytes, and T cells. This immunoregulatory protein is a pivotal mediator of the therapeutic efficacy of mesenchymal stem/stromal cells (MSC) in diverse pathological conditions, including neuroinflammation. However, TSG-6 is also constitutively expressed in some tissues, such as the brain and spinal cord, and is generally upregulated in response to inflammation in monocytes/macrophages, dendritic cells, astrocytes, vascular smooth muscle cells and fibroblasts. Due to its ability to modulate sterile inflammation, TSG-6 exerts protective effects in diverse degenerative and inflammatory diseases, including brain disorders. Emerging evidence provides insights into the potential use of TSG-6 as a peripheral diagnostic and/or prognostic biomarker, especially in the context of ischemic stroke, whereby the pathobiological relevance of this protein has also been demonstrated in patients. Thus, in this review, we will discuss the most recent data on the involvement of TSG-6 in neurodegenerative diseases, particularly focusing on relevant anti-inflammatory and immunomodulatory functions. Furthermore, we will examine evidence suggesting novel therapeutic opportunities that can be afforded by modulating TSG-6-related pathways in neuropathological contexts and, most notably, in stroke.
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Affiliation(s)
- Daniele La Russa
- Section of Preclinical and Translational Pharmacology, Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy
| | - Chiara Di Santo
- Section of Preclinical and Translational Pharmacology, Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy
| | - Ignacio Lizasoain
- Unidad de Investigación Neurovascular, Departamento de Farmacología y Toxicología, Facultad de Medicina, Instituto Universitario de Investigación en Neuroquímica, Universidad Complutense de Madrid, and Instituto de Investigación Hospital 12 de Octubre (Imas12), 28040 Madrid, Spain
| | - Ana Moraga
- Unidad de Investigación Neurovascular, Departamento de Farmacología y Toxicología, Facultad de Medicina, Instituto Universitario de Investigación en Neuroquímica, Universidad Complutense de Madrid, and Instituto de Investigación Hospital 12 de Octubre (Imas12), 28040 Madrid, Spain
| | - Giacinto Bagetta
- Section of Preclinical and Translational Pharmacology, Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy
| | - Diana Amantea
- Section of Preclinical and Translational Pharmacology, Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, CS, Italy
- Correspondence:
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Cui J, Li Y, Zhu M, Liu Y, Liu Y. Analysis of the Research Hotspot of Exosomes in Cardiovascular Disease: A Bibliometric-based Literature Review. Curr Vasc Pharmacol 2023; 21:316-345. [PMID: 37779407 DOI: 10.2174/0115701611249727230920042944] [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: 02/18/2023] [Revised: 08/21/2023] [Accepted: 08/29/2023] [Indexed: 10/03/2023]
Abstract
OBJECTIVE To investigate the current status and development trend of research on exosomes in cardiovascular disease (CVD) using bibliometric analysis and to elucidate trending research topics. METHODS Research articles on exosomes in CVD published up to April 2022 were retrieved from the Web of Science database. Data were organized using Microsoft Office Excel 2019. CiteSpace 6.1 and VOSviewer 1.6.18 were used for bibliometric analysis and result visualization. RESULTS Overall, 256 original research publications containing 190 fundamental research publications and 66 clinical research publications were included. "Extracellular vesicle" was the most frequent research keyword, followed by "microrna," "apoptosis," and "angiogenesis." Most publications were from China (187, 73.05%), followed by the United States (57, 22.27%), the United Kingdom (7, 2.73%), and Japan (7, 2.73%). A systematic review of the publications revealed that myocardial infarction and stroke were the most popular topics and that exosomes and their contents, such as microRNAs (miRNAs), play positive roles in neuroprotection, inhibition of autophagy and apoptosis, promotion of angiogenesis, and protection of cardiomyocytes. CONCLUSION Research on exosomes in CVD has attracted considerable attention, with China having the most published studies. Fundamental research has focused on CVD pathogenesis; exosomes regulate the progression of CVD through biological processes, such as the inflammatory response, autophagy, and apoptosis. Clinical research has focused on biomarkers for CVD; studies on using miRNAs in exosomes as disease markers for diagnosis could become a future trend.
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Affiliation(s)
- Jing Cui
- National Clinical Research Centre for Chinese Medicine Cardiology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Yiwen Li
- National Clinical Research Centre for Chinese Medicine Cardiology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Mengmeng Zhu
- National Clinical Research Centre for Chinese Medicine Cardiology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Yanfei Liu
- National Clinical Research Centre for Chinese Medicine Cardiology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
- Second Department of Geriatrics, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Yue Liu
- National Clinical Research Centre for Chinese Medicine Cardiology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
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Hay AJD, Murphy TJ, Popichak KA, Zabel MD, Moreno JA. Adipose-derived mesenchymal stromal cells decrease prion-induced glial inflammation in vitro. Sci Rep 2022; 12:22567. [PMID: 36581683 PMCID: PMC9800558 DOI: 10.1038/s41598-022-26628-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 12/16/2022] [Indexed: 12/30/2022] Open
Abstract
Prion diseases are characterized by the cellular prion protein, PrPC, misfolding and aggregating into the infectious prion protein, PrPSc, which leads to neurodegeneration and death. An early sign of disease is inflammation in the brain and the shift of resting glial cells to reactive astrocytes and activated microglia. Few therapeutics target this stage of disease. Mesenchymal stromal cells produce anti-inflammatory molecules when exposed to inflammatory signals and damaged tissue. Here, we show that adipose-derived mesenchymal stromal cells (AdMSCs) migrate toward prion-infected brain homogenate and produce the anti-inflammatory molecules transforming growth factor β (TGFβ) and tumor necrosis factor-stimulated gene 6 (TSG-6). In an in vitro model of prion exposure of both primary mixed glia and BV2 microglial cell line, co-culturing with AdMSCs led to a significant decrease in inflammatory cytokine mRNA and markers of reactive astrocytes and activated microglia. This protection against in vitro prion-associated inflammatory responses is independent of PrPSc replication. These data support a role for AdMSCs as a beneficial therapeutic for decreasing the early onset of glial inflammation and reprogramming glial cells to a protective phenotype.
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Affiliation(s)
- Arielle J. D. Hay
- grid.47894.360000 0004 1936 8083Prion Research Center, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523 USA ,grid.47894.360000 0004 1936 8083Department of Microbiology, Immunology and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523 USA
| | - Tanner J. Murphy
- grid.47894.360000 0004 1936 8083Prion Research Center, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523 USA ,grid.47894.360000 0004 1936 8083Department of Microbiology, Immunology and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523 USA ,grid.47894.360000 0004 1936 8083Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523 USA
| | - Katriana A. Popichak
- grid.47894.360000 0004 1936 8083Prion Research Center, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523 USA ,grid.47894.360000 0004 1936 8083Department of Microbiology, Immunology and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523 USA ,grid.47894.360000 0004 1936 8083Present Address: Center for Healthy Aging, Colorado State University, Fort Collins, CO 80523 USA
| | - Mark D. Zabel
- grid.47894.360000 0004 1936 8083Prion Research Center, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523 USA ,grid.47894.360000 0004 1936 8083Department of Microbiology, Immunology and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523 USA ,grid.47894.360000 0004 1936 8083Present Address: Center for Healthy Aging, Colorado State University, Fort Collins, CO 80523 USA
| | - Julie A. Moreno
- grid.47894.360000 0004 1936 8083Prion Research Center, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523 USA ,grid.47894.360000 0004 1936 8083Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523 USA ,grid.47894.360000 0004 1936 8083Present Address: Center for Healthy Aging, Colorado State University, Fort Collins, CO 80523 USA
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15
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Li C, Qin H, Zeng L, Hu Z, Chen C. Efficacy of stem cell therapy in animal models of intracerebral hemorrhage: an updated meta-analysis. Stem Cell Res Ther 2022; 13:452. [PMID: 36064468 PMCID: PMC9446670 DOI: 10.1186/s13287-022-03158-7] [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: 03/14/2022] [Accepted: 08/24/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Multiple studies have reported that stem cell therapy has beneficial effects in animal models of intracerebral hemorrhage (ICH). However, this finding remains inconclusive. This study was performed to systematically determine the effect size of stem cell therapy in ICH animal models by pooling and analyzing data from newly published studies. METHODS A literature search identified studies of stem cells in animal models of ICH. We searched mainstream databases from inception to November, 2021. And pooled effect size of stem cells was determined for diversified neurobehavioral scales and structural endpoints using random effects models. RESULTS The median quality score of 62 included studies was 5.32. Our results revealed an overall positive effect of stem cell therapy. More specifically, the SMD was - 2.27 for mNSS, - 2.14 for rotarod test, - 2.06 for MLPT, - 1.33 for cylinder test, - 1.95 for corner turn test, - 1.42 for tissue loss, and - 1.86 for brain water content. For mNSS, classifying comparisons by quality score showed significant differences in estimates of effect size (p = 0.013), and high-quality comparisons showed a better outcome (SMD = - 2.57) compared with low-quality comparisons (SMD = - 1.59). Besides, different delivery routes also showed a significant difference in the estimates of effect size for mNSS (p = 0.002), and the intraperitoneal route showed the best outcome (SMD = - 4.63). For tissue loss, the autologous blood-induced ICH model showed a better outcome (SMD = - 1.84) compared with the collagenase-induced ICH model (SMD = - 0.94, p = 0.035). Additionally, stem cell therapy initiated within 8 h post-ICH showed the greatest efficacy on tissue loss reduction, followed by initiated with 24 h post-ICH. Finally, stem cells with different sources and types showed similar beneficial effects for mNSS as well as tissue loss. CONCLUSIONS Our results suggested that stem cell therapy had remarkable benefits on ICH animals on both the functional and structural outcomes in animal models of ICH, with very large effect size. These findings support the utility of further studies to translate stem cells in the treatment of ICH in humans. Moreover, the results should be interpreted in the light of the limitations in experimental design and the methodological quality of the studies included in the meta-analysis.
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Affiliation(s)
- Chenchen Li
- Department of Neurology, Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Haiyun Qin
- Department of Neurology, Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Liuwang Zeng
- Department of Neurology, Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Zhiping Hu
- Department of Neurology, Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Chunli Chen
- Department of Neurology, Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China.
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16
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Qu M, Xing F, Xing N. Mesenchymal stem cells for the treatment of cognitive impairment caused by neurological diseases. Biotechnol Lett 2022; 44:903-916. [PMID: 35809141 DOI: 10.1007/s10529-022-03274-7] [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: 11/09/2021] [Accepted: 06/17/2022] [Indexed: 11/02/2022]
Abstract
Patients with neurological diseases often have cognitive impairment, which creates a substantial emotional and economic burden for patients and their families. This issue urgently needs to be addressed. The pathological mechanism of this cognitive impairment is a complicated process that involves a variety of cells and molecules, central nervous system inflammatory reactions, oxidative stress, free radical damage and nerve protection factor-related metabolic disorders. Traditional treatments include neuroprotective agents and analgesic therapy. However, analgesic therapy cannot improve cognitive function, and the blood-brain barrier (BBB) largely blocks neuroprotective agents from entering the central nervous system; therefore, it is very important to find a more effective treatment. Mesenchymal stem cells (MSCs) have anti-inflammatory, anti-apoptotic and immunomodulatory properties and have been proven to play an important role in the treatment of many neurodegenerative diseases. Most importantly, MSCs are likely to cross the BBB. Therefore, MSC therapy is regarded as an important means of ameliorating neurological impairment. The purpose of this review is to summarize recent researches on the treatment of cognitive dysfunction caused by neurological diseases with MSCs.
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Affiliation(s)
- Mingcui Qu
- Department of Anesthesiology, Pain and Perioperative Medicine, The First Affiliated Hospital of Zhengzhou University, No.1 Jianshe East Road, Zhengzhou, China
| | - Fei Xing
- Department of Anesthesiology, Pain and Perioperative Medicine, The First Affiliated Hospital of Zhengzhou University, No.1 Jianshe East Road, Zhengzhou, China
| | - Na Xing
- Department of Anesthesiology, Pain and Perioperative Medicine, The First Affiliated Hospital of Zhengzhou University, No.1 Jianshe East Road, Zhengzhou, China.
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17
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Huang D, Zhang M, Tan Z. Bone Marrow Stem Cell-Exo-Derived TSG-6 Attenuates 1-Methyl-4-Phenylpyridinium+-Induced Neurotoxicity via the STAT3/miR-7/NEDD4/LRRK2 Axis. J Neuropathol Exp Neurol 2022; 81:621-634. [PMID: 35773961 DOI: 10.1093/jnen/nlac049] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Bone marrow mesenchymal stem cell-derived exosome (BMSCs-Exo)-derived TNF-stimulated gene-6 (TSG-6) has anti-inflammatory and antioxidative stress-related properties that may be beneficial in the treatment of Parkinson disease (PD) patients. To elucidate the mechanisms involved, we analyzed the effects of BMSCs-Exo-derived TSG-6 on in vitro models of PD induced with 1-methyl-4-phenylpyridinium (MPP+). TSG-6 was abundant in BMSCs-Exo and it attenuated MPP+-induced neurotoxicity. Moreover, BMSCs-Exo reversed the MPP+-induced toxicity accelerated by neural precursor cells expressed developmentally downregulated 4 (NEDD4) knockdown or miR-7 mimics. Further analysis indicated that NEDD4 combined with leucine-rich repeat kinase 2 (LRRK2) to accelerate ubiquitin degradation of LRRK2. Signal transducer and activator of transcription 3 (STAT3) bound to the miR-7 promoter and miR-7 targeted NEDD4. These data indicate that BMSCs-Exo-derived TSG-6 attenuated neurotoxicity via the STAT3-miR-7-NEDD4 axis. Our results define the specific mechanisms for BMSCs-Exo-derived TSG-6 regulation of MPP+-induced neurotoxicity that are relevant to understanding PD pathogenesis and developing therapies for PD patients.
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Affiliation(s)
- Dezhi Huang
- From the Department of Neurosurgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan Province, P.R. China
| | - Mingming Zhang
- From the Department of Neurosurgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan Province, P.R. China
| | - Zhigang Tan
- From the Department of Neurosurgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan Province, P.R. China
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Yang G, Fan X, Mazhar M, Yang S, Xu H, Dechsupa N, Wang L. Mesenchymal Stem Cell Application and Its Therapeutic Mechanisms in Intracerebral Hemorrhage. Front Cell Neurosci 2022; 16:898497. [PMID: 35769327 PMCID: PMC9234141 DOI: 10.3389/fncel.2022.898497] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 05/18/2022] [Indexed: 12/15/2022] Open
Abstract
Intracerebral hemorrhage (ICH), a common lethal subtype of stroke accounting for nearly 10–15% of the total stroke disease and affecting two million people worldwide, has a high mortality and disability rate and, thus, a major socioeconomic burden. However, there is no effective treatment available currently. The role of mesenchymal stem cells (MSCs) in regenerative medicine is well known owing to the simplicity of acquisition from various sources, low immunogenicity, adaptation to the autogenic and allogeneic systems, immunomodulation, self-recovery by secreting extracellular vesicles (EVs), regenerative repair, and antioxidative stress. MSC therapy provides an increasingly attractive therapeutic approach for ICH. Recently, the functions of MSCs such as neuroprotection, anti-inflammation, and improvement in synaptic plasticity have been widely researched in human and rodent models of ICH. MSC transplantation has been proven to improve ICH-induced injury, including the damage of nerve cells and oligodendrocytes, the activation of microglia and astrocytes, and the destruction of blood vessels. The improvement and recovery of neurological functions in rodent ICH models were demonstrated via the mechanisms such as neurogenesis, angiogenesis, anti-inflammation, anti-apoptosis, and synaptic plasticity. Here, we discuss the pathological mechanisms following ICH and the therapeutic mechanisms of MSC-based therapy to unravel new cues for future therapeutic strategies. Furthermore, some potential strategies for enhancing the therapeutic function of MSC transplantation have also been suggested.
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Affiliation(s)
- Guoqiang Yang
- Research Center for Integrated Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Molecular Imaging and Therapy Research Unit, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
- Department of Acupuncture and Rehabilitation, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Xuehui Fan
- Key Laboratory of Medical Electrophysiology, Ministry of Education and Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention of Cardiovascular Diseases, Institute of Cardiovascular Research, Southwest Medical University, Luzhou, China
- First Department of Medicine, Medical Faculty Mannheim, University Medical Centre Mannheim (UMM), University of Heidelberg, Mannheim, Germany
| | - Maryam Mazhar
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, China
| | - Sijin Yang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, China
| | - Houping Xu
- Preventive Treatment Center, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Nathupakorn Dechsupa
- Molecular Imaging and Therapy Research Unit, Department of Radiologic Technology, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
- *Correspondence: Nathupakorn Dechsupa,
| | - Li Wang
- Research Center for Integrated Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, China
- Li Wang,
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Pinto-Benito D, Paradela-Leal C, Ganchala D, de Castro-Molina P, Arevalo MA. IGF-1 regulates astrocytic phagocytosis and inflammation through the p110α isoform of PI3K in a sex-specific manner. Glia 2022; 70:1153-1169. [PMID: 35175663 PMCID: PMC9305764 DOI: 10.1002/glia.24163] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 01/18/2022] [Accepted: 02/10/2022] [Indexed: 12/12/2022]
Abstract
Insulin-like growth factor-I (IGF-I) signaling plays a key role in neuroinflammation. Here we show that IGF-1 also regulates phagocytosis of reactive astrocytes through p110α isoform of phosphatidylinositol 3-kinase (PI3K), differentially in both sexes. Systemic bacterial lipopolysaccharide (LPS)-treatment increased the expression of GFAP, a reactive astrocyte marker, in the cortex of mice in both sexes and was blocked by IGF-1 only in males. In primary astrocytes, LPS enhanced the mRNA expression of Toll-like receptors (TLR2,4) and proinflammatory factors: inducible nitric oxide synthase (iNOS), chemokine interferon-γ-inducible protein-10 (IP-10) and cytokines (IL-1β, IL-6, and IL-10) in male and female. Treatment with IGF-1 counteracted TLR4 but not TLR2, iNOS, and IP10 expression in both sexes and cytokines expression in males. Furthermore, reactive astrocyte phagocytosis was modulated by IGF-1 only in male astrocytes. IGF-1 was also able to increase AKT-phosphorylation only in male astrocytes. PI3K inhibitors, AG66, TGX-221, and CAL-101, with selectivity toward catalytic p110α, p110β, and p110δ isoforms respectively, reduced AKT-phosphorylation in males. All isoforms interact physically with IGF-1-receptor in both sexes. However, the expression of p110α is higher in males while the expression of IGF-1-receptor is similar in male and female. AG66 suppressed the IGF-1 effect on cytokine expression and counteracted the IGF-1-produced phagocytosis decrease in male reactive astrocytes. Results suggest that sex-differences in the effect of IGF-1 on the AKT-phosphorylation could be due to a lower expression of the p110α in female and that IGF-1-effects on the inflammatory response and phagocytosis of male reactive astrocytes are mediated by p110α/PI3K subunit.
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Affiliation(s)
- Daniel Pinto-Benito
- Consejo Superior de Investigaciones Científicas (CSIC), Instituto Cajal, Madrid, Spain.,Centro de Investigación Biomédica en Red de Fragilidad y Envejecimiento Saludable (CIBERFES), Instituto de Salud Carlos III, Madrid, Spain
| | - Carmen Paradela-Leal
- Consejo Superior de Investigaciones Científicas (CSIC), Instituto Cajal, Madrid, Spain
| | - Danny Ganchala
- Consejo Superior de Investigaciones Científicas (CSIC), Instituto Cajal, Madrid, Spain
| | | | - Maria-Angeles Arevalo
- Consejo Superior de Investigaciones Científicas (CSIC), Instituto Cajal, Madrid, Spain.,Centro de Investigación Biomédica en Red de Fragilidad y Envejecimiento Saludable (CIBERFES), Instituto de Salud Carlos III, Madrid, Spain
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Hu J, Chang Y, Peng C, Huang S, Li G, Li H. Umbilical Cord Mesenchymal Stem Cells Derived Neurospheres Promote Long-term functional recovery But Aggravate Acute Phase Inflammation in Experimental Stroke. Neuroscience 2021; 480:217-228. [PMID: 34762983 DOI: 10.1016/j.neuroscience.2021.10.032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 10/28/2021] [Accepted: 10/29/2021] [Indexed: 11/16/2022]
Abstract
Human umbilical cord mesenchymal stem cells (UC-MSCs) transplantation has been shown to ameliorate intracerebral hemorrhage (ICH) in animal and clinical studies. We previously reported an easy one-step method to induce UC-MSCs into neurospheres with much enhanced neurogenic and angiogenic potential. In the present study, we further evaluated the neuro-protective effects of these UC-MSCs derived neurospheres (UC-MSCs-NS) using a murine collagenase induced ICH model. We compared the effects of UC-MSCs or UC-MSCs-NS transplantation at two different time-points: 3 h after ICH induction (early transplantation) or three days after ICH induction (delayed transplantation). The results showed that UC-MSCs exhibited favorable effects at both time-points whereas UC-MSCs-NS early delivery led to increased cell apoptosis, exacerbated brain edema, enlarged ICH volume and deteriorated neurological function. In vivo inflammatory cytokine analysis indicated UC-MSCs transplantation was able to attenuate the acute phase secretion of inflammatory cytokines TNF-α and IL-1β whereas UC-MSCs-NS immediate transplantation led to increased levels of these cytokines. However, long-term follow-up experiment showed delayed UC-MSCs-NS transplantation was superior to UC-MSCs transplantation alone in terms of increased neurogenic reconstitution. Our results suggest both UC-MSCs and UC-MSCs-NS can exert favorable effects in ICH therapy but the infusion of UC-MSCs-NS should avoid the super-early phase of ICH. We believe UC-MSCs derived neurospheres should be further exploited for chronic refractory neurological disorders such as chronic phase of stroke and various neurodegenerative disorders such as Alzheimer's disease.
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Affiliation(s)
- Jingqiong Hu
- Stem Cell Center, Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China.
| | - Yanmin Chang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Chunyang Peng
- Emergency Internal Medicine Department, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Sui Huang
- Department of Geriatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Gang Li
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Huiyu Li
- Stem Cell Center, Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
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