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Tan J, Zhu H, Zeng Y, Li J, Zhao Y, Li M. Therapeutic Potential of Natural Compounds in Subarachnoid Haemorrhage. Neuroscience 2024; 546:118-142. [PMID: 38574799 DOI: 10.1016/j.neuroscience.2024.03.032] [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: 10/06/2023] [Revised: 03/25/2024] [Accepted: 03/28/2024] [Indexed: 04/06/2024]
Abstract
Subarachnoid hemorrhage (SAH) is a common and fatal cerebrovascular disease with high morbidity, mortality and very poor prognosis worldwide. SAH can induce a complex series of pathophysiological processes, and the main factors affecting its prognosis are early brain injury (EBI) and delayed cerebral ischemia (DCI). The pathophysiological features of EBI mainly include intense neuroinflammation, oxidative stress, neuronal cell death, mitochondrial dysfunction and brain edema, while DCI is characterized by delayed onset ischemic neurological deficits and cerebral vasospasm (CVS). Despite much exploration in people to improve the prognostic outcome of SAH, effective treatment strategies are still lacking. In recent years, numerous studies have shown that natural compounds of plant origin have unique neuro- and vascular protective effects in EBI and DCI after SAH and long-term neurological deficits, which mainly include inhibition of inflammatory response, reduction of oxidative stress, anti-apoptosis, and improvement of blood-brain barrier and cerebral vasospasm. The aim of this paper is to systematically explore the processes of neuroinflammation, oxidative stress, and apoptosis in SAH, and to summarize natural compounds as potential targets for improving the prognosis of SAH and their related mechanisms of action for future therapies.
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Affiliation(s)
- Jiacong Tan
- Department of Neurosurgery, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, No. 17 Yongwaizheng Street, Nanchang 330006, Jiangxi, China.
| | - Huaxin Zhu
- Department of Neurosurgery, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, No. 17 Yongwaizheng Street, Nanchang 330006, Jiangxi, China.
| | - Yanyang Zeng
- Department of Neurosurgery, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, No. 17 Yongwaizheng Street, Nanchang 330006, Jiangxi, China.
| | - Jiawei Li
- Department of Neurosurgery, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, No. 17 Yongwaizheng Street, Nanchang 330006, Jiangxi, China.
| | - Yeyu Zhao
- Department of Neurosurgery, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, No. 17 Yongwaizheng Street, Nanchang 330006, Jiangxi, China.
| | - Meihua Li
- Department of Neurosurgery, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, No. 17 Yongwaizheng Street, Nanchang 330006, Jiangxi, China.
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Wang Q, Zhang L, Pang P. Dihydrokaempferol attenuates LPS-induced inflammation and apoptosis in WI-38 cells. Allergol Immunopathol (Madr) 2023; 51:23-29. [PMID: 37937492 DOI: 10.15586/aei.v51i6.971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 08/23/2023] [Indexed: 11/09/2023]
Abstract
BACKGROUND Globally, pneumonia has been associated as a primary cause of mortality in children aged less than 5 years. Dihydrokaempferol (DHK) has been proposed for being correlated with the process of various diseases. Nevertheless, whether DHK has a role in the progression of infantile pneumonia remains unclear. This study aimed at exploring whether DHK was involved in the progression of infantile pneumonia. METHODS Human fibroblast cells WI-38 were treated with lipopolysaccharide (LPS). The viability of WI-38 cells was measured via Cell counting kit-8. Reverse transcription-quantitative polymerase chain reaction was used to evaluate the levels of interleukin (IL)-1β, IL-6, and tumor necrosis factor-α (TNF-α). Western blot analysis revealed the protein levels of IL-1β, IL-6, TNF-α, Bax, and cleaved-caspase 3. Flow cytometry was applied for exploring the apoptosis of WI-38 cells. The concentrations of IL-1β, IL-6, and TNF-α were assessed via enzyme-linked-immunosorbent serologic assay. RESULTS DHK modulated the viability of WI-38 cells in infantile pneumonia. Furthermore, we identified that DHK treatment inversely changed LPS induction-mediated elevation on the levels of inflammation biomarkers. Besides, DHK counteracted LPS-induced production of reactive oxygen species (ROS) in WI-38 cells. DHK also decreased LPS-induced elevation of WI-38 cells apoptosis and mediated the levels of apoptosis-associated indexes. Moreover, modulating sirtuin-1 (SIRT1) protein level was lowered by the induction of LPS, and was reversed by DHK treatment. In addition, DHK counteracted LPS induction-mediated elevation of p-p65 and phosphorylated inhibitor of nuclear factor kappa-B kinase subunit alpha (p-IκBα) protein levels. CONCLUSION DHK alleviated LPS-induced WI-38 cells inflammation injury in infantile pneumonia through SIRT1/NF-κB pathway. The results shed light on the implications of DHK on the prevention and treatment of infantile pneumonia.
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Affiliation(s)
- Qiao Wang
- Department of Pediatrics, the Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou Province, China;
| | - Liwen Zhang
- Department of Pediatrics, the Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou Province, China
| | - Ping Pang
- Department of Pediatrics, the Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou Province, China
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Lei K, Wu R, Wang J, Lei X, Zhou E, Fan R, Gong L. Sirtuins as Potential Targets for Neuroprotection: Mechanisms of Early Brain Injury Induced by Subarachnoid Hemorrhage. Transl Stroke Res 2023:10.1007/s12975-023-01191-z. [PMID: 37779164 DOI: 10.1007/s12975-023-01191-z] [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: 07/24/2023] [Revised: 08/26/2023] [Accepted: 08/31/2023] [Indexed: 10/03/2023]
Abstract
Subarachnoid hemorrhage (SAH) is a prevalent cerebrovascular disease with significant global mortality and morbidity rates. Despite advancements in pharmacological and surgical approaches, the quality of life for SAH survivors has not shown substantial improvement. Traditionally, vasospasm has been considered a primary contributor to death and disability following SAH, but anti-vasospastic therapies have not demonstrated significant benefits for SAH patients' prognosis. Emerging studies suggest that early brain injury (EBI) may play a crucial role in influencing SAH prognosis. Sirtuins (SIRTs), a group of NAD + -dependent deacylases comprising seven mammalian family members (SIRT1 to SIRT7), have been found to be involved in neural tissue development, plasticity, and aging. They also exhibit vital functions in various central nervous system (CNS) processes, including cognition, pain perception, mood, behavior, sleep, and circadian rhythms. Extensive research has uncovered the multifaceted roles of SIRTs in CNS disorders, offering insights into potential markers for pathological processes and promising therapeutic targets (such as SIRT1 activators and SIRT2 inhibitors). In this article, we provide an overview of recent research progress on the application of SIRTs in subarachnoid hemorrhage and explore their underlying mechanisms of action.
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Affiliation(s)
- Kunqian Lei
- Department of Neurosurgery, Affiliated Hospital of Zunyi Medical University CN, Zunyi, China
| | - Rui Wu
- Department of Neurosurgery, Affiliated Hospital of Zunyi Medical University CN, Zunyi, China
| | - Jin Wang
- Department of Neurology, Affiliated Hospital of Zunyi Medical University CN, Zunyi, China
| | - Xianze Lei
- Department of Neurology, Affiliated Hospital of Zunyi Medical University CN, Zunyi, China
| | - Erxiong Zhou
- Department of Neurosurgery, Affiliated Hospital of Zunyi Medical University CN, Zunyi, China
| | - Ruiming Fan
- Department of Neurosurgery, Affiliated Hospital of Zunyi Medical University CN, Zunyi, China.
| | - Lei Gong
- Department of Pharmacy, Institute of Medical Biotechnology, Affiliated Hospital of Zunyi Medical University CN, Zunyi, China.
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Du S, Yang F, Wu L, Hu D, Zhang Y, Gong M, Yang Y, Yang X, Zeng Q. Assessing the potential molecular mechanism of arsenite-induced skin cell senescence. Toxicol Res (Camb) 2023; 12:843-852. [PMID: 37915474 PMCID: PMC10615813 DOI: 10.1093/toxres/tfad075] [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: 04/04/2023] [Revised: 07/05/2023] [Accepted: 08/24/2023] [Indexed: 11/03/2023] Open
Abstract
Arsenic exposure is a public health concern worldwide. Skin damage, as a typical lesion of arsenic exposure, the mechanism is still unknown. Studies have found that cellular senescence plays a key role in arsenic-induced skin damage, and the previous research found that the ERK/CEBPB signaling pathway may be an important molecular event of arsenic-induced skin cell senescence, but its specific mechanism is unknown. In this study, genetic engineering technology was used to construct stable HaCaT cell lines, and the role and mechanism of ERK/CEBPB signaling pathway in arsenic-induced HaCaT cell senescence were verified by knockdown and overexpression of ERK and CEBPB in both forward and backward. It was found that knockdown of CEBPB or ERK can downregulate the ERK/CEBPB signaling pathway and reduce arsenic-induced skin cell senescence. In contrast to knockdown, overexpression of CEBPB or ERK can upregulate the ERK/CEBPB signaling pathway and aggravate the senescence of skin cells caused by arsenic. These findings suggest that sodium arsenite can further promote SASP secretion and the expression of p53, p21 and p16 INK4a by activating the ERK/CEBPB signaling pathway, induce cell cycle arrest and trigger cellular senescence.
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Affiliation(s)
- Sufei Du
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education & School of Public Health, Guizhou Medical University, Dongqing Road 2, Guiyang 550025, China
| | - Fan Yang
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education & School of Public Health, Guizhou Medical University, Dongqing Road 2, Guiyang 550025, China
| | - Liping Wu
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education & School of Public Health, Guizhou Medical University, Dongqing Road 2, Guiyang 550025, China
| | - Dexiu Hu
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education & School of Public Health, Guizhou Medical University, Dongqing Road 2, Guiyang 550025, China
| | - Yuhong Zhang
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education & School of Public Health, Guizhou Medical University, Dongqing Road 2, Guiyang 550025, China
| | - Maoyuan Gong
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education & School of Public Health, Guizhou Medical University, Dongqing Road 2, Guiyang 550025, China
| | - Yang Yang
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education & School of Public Health, Guizhou Medical University, Dongqing Road 2, Guiyang 550025, China
| | - Xingcan Yang
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education & School of Public Health, Guizhou Medical University, Dongqing Road 2, Guiyang 550025, China
| | - Qibing Zeng
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education & School of Public Health, Guizhou Medical University, Dongqing Road 2, Guiyang 550025, China
- Guizhou Provincial Engineering Research Center of Food Nutrition and Health, School of Public Health, Guizhou Medical University, Dongqing Road 2, Guiyang 550025, China
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Cai W, Wu Z, Lai J, Yao J, Zeng Y, Fang Z, Lin W, Chen J, Xu C, Chen X. LDC7559 inhibits microglial activation and GSDMD-dependent pyroptosis after subarachnoid hemorrhage. Front Immunol 2023; 14:1117310. [PMID: 37063846 PMCID: PMC10090682 DOI: 10.3389/fimmu.2023.1117310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 03/03/2023] [Indexed: 03/31/2023] Open
Abstract
Mounting evidence indicates that inhibition of microglial activation and neuronal pyroptosis plays important roles in brain function recovery after subarachnoid hemorrhage (SAH). LDC7559 is a newly discovered gasdermin D (GSDMD) inhibitor. Previous studies have demonstrated that LDC7559 could inhibit microglial proliferation and pyroptosis. However, the beneficial effects of LDC7559 on SAH remain obscure. Based on this background, we investigated the potential role and the mechanism of LDC7559 on SAH-induced brain damage both in vivo and in vitro. The findings revealed that microglial activation and neuronal pyroptosis were evidently increased after SAH, which could be markedly suppressed by LDC7559 both in vivo and in vitro. Meanwhile, LDC7559 treatment reduced neuronal apoptosis and improved behavior function. Mechanistically, LDC7559 decreased the levels of GSDMD and cleaved GSDMD after SAH. In contrast, nod-like receptor pyrin domain-containing 3 (NLRP3) inflammasome activation by nigericin increased GSDMD-mediated pyroptosis and abated the beneficial effects of LDC7559 on SAH-induced brain damage. However, LDC7559 treatment did not significantly affect the expression of NLRP3 after SAH. Taken together, LDC7559 might suppress neuronal pyroptosis and microglial activation after SAH by inhibiting GSDMD, thereby promoting brain functional recovery.
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Affiliation(s)
- Wenhua Cai
- Department of Neurosurgery, The Jinjiang Municipal Hospital, Quanzhou, Fujian, China
| | - Zhe Wu
- Department of Neurosurgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
- Centre of Neurological and Metabolic Research, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
| | - Jinqing Lai
- Department of Neurosurgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
- Centre of Neurological and Metabolic Research, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
| | - Jieran Yao
- Department of Neurosurgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
- Centre of Neurological and Metabolic Research, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
| | - Yile Zeng
- Department of Neurosurgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
| | - Zhongning Fang
- Department of Neurosurgery, The Jinjiang Municipal Hospital, Quanzhou, Fujian, China
| | - Weibin Lin
- Department of Neurosurgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
| | - Junyan Chen
- Department of Neurosurgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
| | - Chaoyang Xu
- Department of Neurosurgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
- *Correspondence: Xiangrong Chen, ; Chaoyang Xu,
| | - Xiangrong Chen
- Department of Neurosurgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
- Centre of Neurological and Metabolic Research, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian, China
- *Correspondence: Xiangrong Chen, ; Chaoyang Xu,
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Akar A, Öztopuz RÖ, Büyük B, Ovali MA, Aykora D, Malçok ÜA. Neuroprotective Effects of Piceatannol on Olfactory Bulb Injury after Subarachnoid Hemorrhage. Mol Neurobiol 2023; 60:3695-3706. [PMID: 36933146 DOI: 10.1007/s12035-023-03306-x] [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: 11/11/2022] [Accepted: 03/08/2023] [Indexed: 03/19/2023]
Abstract
Subarachnoid hemorrhage (SAH) accounts for 5% of all stroke cases and is responsible for significant permanent brain and neurological damage within the first few days. Loss of smell is one of those neurological disorders following olfactory bulb injury after SAH. Olfaction plays a critical role in several aspects of life. The primary underlying mechanism of olfactory bulb (OB) injury and loss of smell after SAH remains unknown. Piceatannol (PIC), a natural stilbene, possesses anti-inflammatory and anti-apoptotic effects against various diseases. In this study, we aimed to investigate the potential therapeutic effects of PIC on OB injury following SAH at molecular mechanism based on SIRT1, inflammatory (TNF-α, IL1-β, NF-κB, IL-6, TLR4), and apoptosis (p53, Bax, Bcl-2, caspase-3)-related gene expression markers and histopathology level; 27 male Wistar Albino rats were used in a pre-chiasmatic subarachnoid hemorrhage model. Animals were divided into groups (n = 9): SHAM, SAH, and PIC. Garcia's neurological examination, brain water content, RT-PCR, histopathology, and TUNEL analyses were performed in all experimental groups with OB samples. Our results indicated that PIC administration significantly suppressed inflammatory molecules (TNF-α, IL-6, IL1-β, TLR4, NF-κB, SIRT1) and apoptotic molecules (caspase-3, p53, Bax). We also evaluated edema levels and cell damage in OB injury after SAH. Ameliorative effects of PIC are also observed at the histopathology level. Garcia's neurological score test performed a neurological assessment. This study is the first to demonstrate the neuroprotective effects of PIC on OB injury after SAH. It suggests that PIC would be a potential therapeutic agent for alleviating OB injury after SAH.
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Affiliation(s)
- Ali Akar
- Faculty of Medicine, Department of Neurosurgery, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Rahime Özlem Öztopuz
- Faculty of Medicine, Department of Biophysics, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Başak Büyük
- Faculty of Medicine, Department of Histology and Embryology, İzmir Democracy University, İzmir, Turkey
| | - Mehmet Akif Ovali
- Faculty of Medicine, Department of Physiology, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Damla Aykora
- Faculty of Medicine, Department of Physiology, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Ümit Ali Malçok
- Faculty of Medicine, Department of Neurosurgery, Çanakkale Onsekiz Mart University, Çanakkale, Turkey.
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