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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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Wang Z, Zhang X, Zhang G, Zheng YJ, Zhao A, Jiang X, Gan J. Astrocyte modulation in cerebral ischemia-reperfusion injury: A promising therapeutic strategy. Exp Neurol 2024; 378:114814. [PMID: 38762094 DOI: 10.1016/j.expneurol.2024.114814] [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: 01/25/2024] [Revised: 04/03/2024] [Accepted: 05/12/2024] [Indexed: 05/20/2024]
Abstract
Cerebral ischemia-reperfusion injury (CIRI) poses significant challenges for drug development due to its complex pathogenesis. Astrocyte involvement in CIRI pathogenesis has led to the development of novel astrocyte-targeting drug strategies. To comprehensively review the current literature, we conducted a thorough analysis from January 2012 to December 2023, identifying 82 drugs aimed at preventing and treating CIRI. These drugs target astrocytes to exert potential benefits in CIRI, and their primary actions include modulation of relevant signaling pathways to inhibit neuroinflammation and oxidative stress, reduce cerebral edema, restore blood-brain barrier integrity, suppress excitotoxicity, and regulate autophagy. Notably, active components from traditional Chinese medicines (TCM) such as Salvia miltiorrhiza, Ginkgo, and Ginseng exhibit these important pharmacological properties and show promise in the treatment of CIRI. This review highlights the potential of astrocyte-targeted drugs to ameliorate CIRI and categorizes them based on their mechanisms of action, underscoring their therapeutic potential in targeting astrocytes.
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Affiliation(s)
- Ziyu Wang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xiaolu Zhang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Guangming Zhang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yu Jia Zheng
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Anliu Zhao
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xijuan Jiang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
| | - Jiali Gan
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
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Jin K, Chen B, Han S, Dong J, Cheng S, Qin B, Lu J. Repetitive Transcranial Magnetic Stimulation (rTMS) Improves Cognitive Impairment and Intestinal Microecological Dysfunction Induced by High-Fat Diet in Rats. RESEARCH (WASHINGTON, D.C.) 2024; 7:0384. [PMID: 38826566 PMCID: PMC11140411 DOI: 10.34133/research.0384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 04/17/2024] [Indexed: 06/04/2024]
Abstract
Consuming a high-fat diet (HFD) is widely recognized to cause obesity and result in chronic brain inflammation that impairs cognitive function. Repetitive transcranial magnetic stimulation (rTMS) has shown effectiveness in both weight loss and cognitive improvement, although the exact mechanism is still unknown. Our study examined the effects of rTMS on the brain and intestinal microecological dysfunction. rTMS successfully reduced cognitive decline caused by an HFD in behavioral assessments involving the Y maze and novel object recognition. This was accompanied by an increase in the number of new neurons and the transcription level of genes related to synaptic plasticity (spindlin 1, synaptophysin, and postsynaptic protein-95) in the hippocampus. It was reached that rTMS decreased the release of high mobility group box 1, activation of microglia, and inflammation in the brains of HFD rats. rTMS also reduced hypothalamic hypocretin levels and improved peripheral blood lipid metabolism. In addition, rTMS recovered the HFD-induced gut microbiome imbalances, metabolic disorders, and, in particular, reduced levels of the microvirus. Our research emphasized that rTMS enhanced cognitive abilities, resulting in positive impacts on brain inflammation, neurodegeneration, and the microbiota in the gut, indicating the potential connection between the brain and gut, proposing that rTMS could be a new approach to addressing cognitive deficits linked to obesity.
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Affiliation(s)
- Kangyu Jin
- Department of Psychiatry, the First Affiliated Hospital,
Zhejiang University School of Medicine, Hangzhou 310003, China
- The Key Laboratory of Mental Disorder Management in Zhejiang Province, Hangzhou 310003, China
| | - Bing Chen
- Department of Psychiatry, the First Affiliated Hospital,
Zhejiang University School of Medicine, Hangzhou 310003, China
- The Key Laboratory of Mental Disorder Management in Zhejiang Province, Hangzhou 310003, China
| | - Shengyi Han
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital,
Zhejiang University School of Medicine, Hangzhou City 310003, China
| | - Jingyi Dong
- School of Life Sciences,
Zhejiang Chinese Medical University, Hangzhou, China
| | - Shangping Cheng
- Department of Psychiatry, the First Affiliated Hospital,
Zhejiang University School of Medicine, Hangzhou 310003, China
| | - Bin Qin
- School of Life Sciences,
Zhejiang Chinese Medical University, Hangzhou, China
| | - Jing Lu
- Department of Psychiatry, the First Affiliated Hospital,
Zhejiang University School of Medicine, Hangzhou 310003, China
- The Key Laboratory of Mental Disorder Management in Zhejiang Province, Hangzhou 310003, China
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4
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Yang F, Guo J, Kang N, Yu X, Ma Y. rESWT promoted angiogenesis via Bach1/Wnt/β-catenin signaling pathway. Sci Rep 2024; 14:11733. [PMID: 38777838 PMCID: PMC11111732 DOI: 10.1038/s41598-024-62582-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Accepted: 05/20/2024] [Indexed: 05/25/2024] Open
Abstract
Previous reports have established that rESWT fosters angiogenesis, yet the mechanism by which rESWT promotes cerebral angiogenesis remains elusive. rESWT stimulated HUVECs proliferation as evidenced by the CCK-8 test, with an optimal dosage of 2.0 Bar, 200 impulses, and 2 Hz. The tube formation assay of HUVECs revealed that tube formation peaked at 36 h post-rESWT treatment, concurrent with the lowest expression level of Bach1, as detected by both Western blot and immunofluorescence. The expression level of Wnt3a, β-catenin, and VEGF also peaked at 36 h. A Bach1 overexpression plasmid was transfected into HUVECs, resulting in a decreased expression level of Wnt3a, β-catenin, and VEGF. Upon treatment with rESWT, the down-regulation of Wnt3a, β-catenin, and VEGF expression in the transfected cells was reversed. The Wnt/β-catenin inhibitor DKK-1 was utilized to suppress Wnt3a and β-catenin expression, which led to a concurrent decrease in VEGF expression. However, rESWT treatment could restore the expression of these three proteins, even in the presence of DKK-1. Moreover, in the established OGD model, it was observed that rESWT could inhibit the overexpression of Bach1 and enhance VEGF and VEGFR-2 expression under the OGD environment.
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Affiliation(s)
- Fan Yang
- Department of Rehabilitation Medicine, Suzhou Municipal Hospital, Suzhou, 215002, China
| | - Juan Guo
- Department of Rehabilitation Medicine, The First Affiliated Hospital of China Medical University, Shenyang, 110001, China
| | - Nan Kang
- Department of Rehabilitation Medicine, The First Affiliated Hospital of China Medical University, Shenyang, 110001, China
| | - Xiaotong Yu
- Institute of Meta-Synthesis Medicine, Beijing, 100097, China
| | - Yuewen Ma
- Department of Rehabilitation Medicine, The First Affiliated Hospital of China Medical University, Shenyang, 110001, China.
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Hou CY, Lv P, Yuan HF, Zhao LN, Wang YF, Zhang HH, Yang G, Zhang XD. Bevacizumab induces ferroptosis and enhances CD8 + T cell immune activity in liver cancer via modulating HAT1 and increasing IL-9. Acta Pharmacol Sin 2024:10.1038/s41401-024-01299-4. [PMID: 38760543 DOI: 10.1038/s41401-024-01299-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 04/24/2024] [Accepted: 04/24/2024] [Indexed: 05/19/2024] Open
Abstract
Bevacizumab is a recombinant humanized monoclonal immunoglobulin (Ig) G1 antibody of VEGF, and inhibits angiogenesis and tumor growth in hepatocellular carcinoma (HCC). Ferroptosis, a new form of regulated cell death function independently of the apoptotic machinery, has been accepted as an attractive target for pharmacological intervention; the ferroptosis pathway can enhance cell immune activity of anti-PD1 immunotherapy in HCC. In this study we investigated whether and how bevacizumab regulated ferroptosis and immune activity in liver cancer. Firstly, we performed RNA-sequencing in bevacizumab-treated human liver cancer cell line HepG2 cells, and found that bevacizumab significantly altered the expression of a number of genes including VEGF, PI3K, HAT1, SLC7A11 and IL-9 in liver cancer, bevacizumab upregulated 37 ferroptosis-related drivers, and downregulated 17 ferroptosis-related suppressors in particular. We demonstrated that bevacizumab triggered ferroptosis in liver cancer cells by driving VEGF/PI3K/HAT1/SLC7A11 axis. Clinical data confirmed that the expression levels of VEGF were positively associated with those of PI3K, HAT1 and SLC7A11 in HCC tissues. Meanwhile, we found that bevacizumab enhanced immune cell activity in tumor immune-microenvironment. We identified that HAT1 up-regulated miR-143 targeting IL-9 mRNA 3'UTR in liver cancer cells; bevacizumab treatment resulted in the increase of IL-9 levels and its secretion via VEGF/PI3K/HAT1/miR-143/IL-9 axis, which led to the inhibition of tumor growth in vivo through increasing the release of IL-2 and Granzyme B from activated CD8+ T cells. We conclude that in addition to inhibiting angiogenesis, bevacizumab induces ferroptosis and enhances CD8+ T cell immune activity in liver cancer. This study provides new insight into the mechanisms by which bevacizumab synergistically modulates ferroptosis and CD8+ T cell immune activity in liver cancer.
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Affiliation(s)
- Chun-Yu Hou
- National Key Laboratory of Draggability Evaluation and Systematic Translational Medicine, Tianjin's Clinical Research Center for Cancer, Tianjin Key Laboratory of Digestive Cancer, Department of Gastrointestinal Cancer Biology, Tianjin Cancer Institute, Liver Cancer Center, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Pan Lv
- National Key Laboratory of Draggability Evaluation and Systematic Translational Medicine, Tianjin's Clinical Research Center for Cancer, Tianjin Key Laboratory of Digestive Cancer, Department of Gastrointestinal Cancer Biology, Tianjin Cancer Institute, Liver Cancer Center, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Hong-Feng Yuan
- National Key Laboratory of Draggability Evaluation and Systematic Translational Medicine, Tianjin's Clinical Research Center for Cancer, Tianjin Key Laboratory of Digestive Cancer, Department of Gastrointestinal Cancer Biology, Tianjin Cancer Institute, Liver Cancer Center, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Li-Na Zhao
- National Key Laboratory of Draggability Evaluation and Systematic Translational Medicine, Tianjin's Clinical Research Center for Cancer, Tianjin Key Laboratory of Digestive Cancer, Department of Gastrointestinal Cancer Biology, Tianjin Cancer Institute, Liver Cancer Center, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Yu-Fei Wang
- National Key Laboratory of Draggability Evaluation and Systematic Translational Medicine, Tianjin's Clinical Research Center for Cancer, Tianjin Key Laboratory of Digestive Cancer, Department of Gastrointestinal Cancer Biology, Tianjin Cancer Institute, Liver Cancer Center, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Hui-Hui Zhang
- National Key Laboratory of Draggability Evaluation and Systematic Translational Medicine, Tianjin's Clinical Research Center for Cancer, Tianjin Key Laboratory of Digestive Cancer, Department of Gastrointestinal Cancer Biology, Tianjin Cancer Institute, Liver Cancer Center, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China
| | - Guang Yang
- National Key Laboratory of Draggability Evaluation and Systematic Translational Medicine, Tianjin's Clinical Research Center for Cancer, Tianjin Key Laboratory of Digestive Cancer, Department of Gastrointestinal Cancer Biology, Tianjin Cancer Institute, Liver Cancer Center, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China.
| | - Xiao-Dong Zhang
- National Key Laboratory of Draggability Evaluation and Systematic Translational Medicine, Tianjin's Clinical Research Center for Cancer, Tianjin Key Laboratory of Digestive Cancer, Department of Gastrointestinal Cancer Biology, Tianjin Cancer Institute, Liver Cancer Center, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, 300060, China.
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6
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Wang H, Han J, Dmitrii G, Zhang XA. Potential Targets of Natural Products for Improving Cardiac Ischemic Injury: The Role of Nrf2 Signaling Transduction. Molecules 2024; 29:2005. [PMID: 38731496 PMCID: PMC11085255 DOI: 10.3390/molecules29092005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 04/18/2024] [Accepted: 04/22/2024] [Indexed: 05/13/2024] Open
Abstract
Myocardial ischemia is the leading cause of health loss from cardiovascular disease worldwide. Myocardial ischemia and hypoxia during exercise trigger the risk of sudden exercise death which, in severe cases, will further lead to myocardial infarction. The Nrf2 transcription factor is an important antioxidant regulator that is extensively engaged in biological processes such as oxidative stress, inflammatory response, apoptosis, and mitochondrial malfunction. It has a significant role in the prevention and treatment of several cardiovascular illnesses, since it can control not only the expression of several antioxidant genes, but also the target genes of associated pathological processes. Therefore, targeting Nrf2 will have great potential in the treatment of myocardial ischemic injury. Natural products are widely used to treat myocardial ischemic diseases because of their few side effects. A large number of studies have shown that the Nrf2 transcription factor can be used as an important way for natural products to alleviate myocardial ischemia. However, the specific role and related mechanism of Nrf2 in mediating natural products in the treatment of myocardial ischemia is still unclear. Therefore, this review combs the key role and possible mechanism of Nrf2 in myocardial ischemic injury, and emphatically summarizes the significant role of natural products in treating myocardial ischemic symptoms, thus providing a broad foundation for clinical transformation.
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Affiliation(s)
- Haixia Wang
- College of Exercise and Health, Shenyang Sport University, Shenyang 110102, China; (H.W.); (J.H.)
| | - Juanjuan Han
- College of Exercise and Health, Shenyang Sport University, Shenyang 110102, China; (H.W.); (J.H.)
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai 200438, China
| | - Gorbachev Dmitrii
- General Hygiene Department, Samara State Medical University, Samara 443000, Russia;
| | - Xin-an Zhang
- College of Exercise and Health, Shenyang Sport University, Shenyang 110102, China; (H.W.); (J.H.)
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Zhao Y, Yu B, Wang Y, Tan S, Xu Q, Wang Z, Zhou K, Liu H, Ren Z, Jiang Z. Ang-1 and VEGF: central regulators of angiogenesis. Mol Cell Biochem 2024:10.1007/s11010-024-05010-3. [PMID: 38652215 DOI: 10.1007/s11010-024-05010-3] [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: 12/01/2023] [Accepted: 04/09/2024] [Indexed: 04/25/2024]
Abstract
Angiopoietin-1 (Ang-1) and Vascular Endothelial Growth Factor (VEGF) are central regulators of angiogenesis and are often inactivated in various cardiovascular diseases. VEGF forms complexes with ETS transcription factor family and exerts its action by downregulating multiple genes. Among the target genes of the VEGF-ETS complex, there are a significant number encoding key angiogenic regulators. Phosphorylation of the VEGF-ETS complex releases transcriptional repression on these angiogenic regulators, thereby promoting their expression. Ang-1 interacts with TEK, and this phosphorylation release can be modulated by the Ang-1-TEK signaling pathway. The Ang-1-TEK pathway participates in the transcriptional activation of VEGF genes. In summary, these elements constitute the Ang-1-TEK-VEGF signaling pathway. Additionally, Ang-1 is activated under hypoxic and inflammatory conditions, leading to an upregulation in the expression of TEK. Elevated TEK levels result in the formation of the VEGF-ETS complex, which, in turn, downregulates the expression of numerous angiogenic genes. Hence, the Ang-1-dependent transcriptional repression is indirect. Reduced expression of many target genes can lead to aberrant angiogenesis. A significant overlap exists between the target genes regulated by Ang-1-TEK-VEGF and those under the control of the Ang-1-TEK-TSP-1 signaling pathway. Mechanistically, this can be explained by the replacement of the VEGF-ETS complex with the TSP-1 transcriptional repression complex at the ETS sites on target gene promoters. Furthermore, VEGF possesses non-classical functions unrelated to ETS and DNA binding. Its supportive role in TSP-1 formation may be exerted through the VEGF-CRL5-VHL-HIF-1α-VH032-TGF-β-TSP-1 axis. This review assesses the regulatory mechanisms of the Ang-1-TEK-VEGF signaling pathway and explores its significant overlap with the Ang-1-TEK-TSP-1 signaling pathway.
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Affiliation(s)
- Yuanqin Zhao
- Key Lab for Arteriosclerology of Hunan Province, International Joint Laboratory for Arteriosclerotic Disease Research of Hunan Province, Institute of Cardiovascular Disease, University of South China, Hengyang, 421001, China
| | - Bo Yu
- Key Lab for Arteriosclerology of Hunan Province, International Joint Laboratory for Arteriosclerotic Disease Research of Hunan Province, Institute of Cardiovascular Disease, University of South China, Hengyang, 421001, China
| | - Yanxia Wang
- Key Lab for Arteriosclerology of Hunan Province, International Joint Laboratory for Arteriosclerotic Disease Research of Hunan Province, Institute of Cardiovascular Disease, University of South China, Hengyang, 421001, China
| | - Shiming Tan
- Key Lab for Arteriosclerology of Hunan Province, International Joint Laboratory for Arteriosclerotic Disease Research of Hunan Province, Institute of Cardiovascular Disease, University of South China, Hengyang, 421001, China
| | - Qian Xu
- Key Lab for Arteriosclerology of Hunan Province, International Joint Laboratory for Arteriosclerotic Disease Research of Hunan Province, Institute of Cardiovascular Disease, University of South China, Hengyang, 421001, China
| | - Zhaoyue Wang
- Key Lab for Arteriosclerology of Hunan Province, International Joint Laboratory for Arteriosclerotic Disease Research of Hunan Province, Institute of Cardiovascular Disease, University of South China, Hengyang, 421001, China
| | - Kun Zhou
- Key Lab for Arteriosclerology of Hunan Province, International Joint Laboratory for Arteriosclerotic Disease Research of Hunan Province, Institute of Cardiovascular Disease, University of South China, Hengyang, 421001, China
| | - Huiting Liu
- Key Lab for Arteriosclerology of Hunan Province, International Joint Laboratory for Arteriosclerotic Disease Research of Hunan Province, Institute of Cardiovascular Disease, University of South China, Hengyang, 421001, China
| | - Zhong Ren
- Key Lab for Arteriosclerology of Hunan Province, International Joint Laboratory for Arteriosclerotic Disease Research of Hunan Province, Institute of Cardiovascular Disease, University of South China, Hengyang, 421001, China
| | - Zhisheng Jiang
- Key Lab for Arteriosclerology of Hunan Province, International Joint Laboratory for Arteriosclerotic Disease Research of Hunan Province, Institute of Cardiovascular Disease, University of South China, Hengyang, 421001, China.
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Liang Y, Zhang H, Li J, Wang X, Xie J, Li Y, Li J, Qian Y, Zhang H, Wang T, Tang H, Chen X. GLUT1 regulates the release of VEGF-A in the alveolar epithelium of lipopolysaccharide-induced acute lung injury. Cell Biol Int 2024; 48:510-520. [PMID: 38225684 DOI: 10.1002/cbin.12127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 11/20/2023] [Accepted: 01/01/2024] [Indexed: 01/17/2024]
Abstract
Acute lung injury (ALI) is a severe disease with high mortality and poor prognosis, characterized by excessive and uncontrolled inflammatory response. Vascular endothelial growth factor A (VEGF-A) contributes to the development and progression of ALI. The aim of this study was to evaluate the role of glucose transporter 1 (GLUT1) in alveolar epithelial VEGF-A production in lipopolysaccharide (LPS)-induced ALI. An ALI mouse model was induced by LPS oropharyngeal instillation. Mice were challenged with LPS and then treated with WZB117, a specific antagonist of GLUT1. For the vitro experiments, cultured A549 cells (airway epithelial cell line) were exposed to LPS, with or without the GLUT1 inhibitors WZB117 or BAY876. LPS significantly upregulated of GLUT1 and VEGF-A both in the lung from ALI mice and in cultured A549. In vivo, treatment with WZB117 not only markedly decreased LPS-induced pulmonary edema, injury, neutrophilia, as well as levels of interleukin (IL)-1β, IL-6 and tumor necrosis factor-α in bronchoalveolar lavage fluid (BALF), but also reduced VEGF-A production. Yet, the maximum tolerated concentration of WZB117 failed to suppress LPS-induced VEGF-A overexpression in vitro. While administration of BAY876 inhibited gene and protein expression as well as secretion of VEGF-A in response to LPS in A549. These results illustrated that GLUT1 upregulates VEGF-A production in alveolar epithelia from LPS-induced ALI, and inhibition of GLUT1 alleviates ALI.
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Affiliation(s)
- Yan Liang
- Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Hailing Zhang
- Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Jiahui Li
- Department of Pulmonary and Critical Care Medicine, Guangdong Second Provincial General Hospital, Guangzhou, Guangdong, China
| | - Xilong Wang
- Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Jianpeng Xie
- Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Yijian Li
- Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Jiehong Li
- Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Yunyao Qian
- Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Haiyun Zhang
- Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Tao Wang
- State key Laboratory of Respiratory Diseases, Guangzhou Key Laboratory of Vascular Diseases, Guangzhou Institute of Respiratory Health, The Frist Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Haixiong Tang
- Department of Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Xin Chen
- Department of Pulmonary and Critical Care Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
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9
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Wu Y, Sun J, Lin Q, Wang D, Hai J. Sustained release of vascular endothelial growth factor A and basic fibroblast growth factor from nanofiber membranes reduces oxygen/glucose deprivation-induced injury to neurovascular units. Neural Regen Res 2024; 19:887-894. [PMID: 37843225 PMCID: PMC10664103 DOI: 10.4103/1673-5374.382252] [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: 11/16/2022] [Revised: 04/12/2023] [Accepted: 06/16/2023] [Indexed: 10/17/2023] Open
Abstract
Upregulation of vascular endothelial growth factor A/basic fibroblast growth factor (VEGFA/bFGF) expression in the penumbra of cerebral ischemia can increase vascular volume, reduce lesion volume, and enhance neural cell proliferation and differentiation, thereby exerting neuroprotective effects. However, the beneficial effects of endogenous VEGFA/bFGF are limited as their expression is only transiently increased. In this study, we generated multilayered nanofiber membranes loaded with VEGFA/bFGF using layer-by-layer self-assembly and electrospinning techniques. We found that a membrane containing 10 layers had an ideal ultrastructure and could efficiently and stably release growth factors for more than 1 month. This 10-layered nanofiber membrane promoted brain microvascular endothelial cell tube formation and proliferation, inhibited neuronal apoptosis, upregulated the expression of tight junction proteins, and improved the viability of various cellular components of neurovascular units under conditions of oxygen/glucose deprivation. Furthermore, this nanofiber membrane decreased the expression of Janus kinase-2/signal transducer and activator of transcription-3 (JAK2/STAT3), Bax/Bcl-2, and cleaved caspase-3. Therefore, this nanofiber membrane exhibits a neuroprotective effect on oxygen/glucose-deprived neurovascular units by inhibiting the JAK2/STAT3 pathway.
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Affiliation(s)
- Yifang Wu
- Department of Neurosurgery, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Jun Sun
- Department of Neurosurgery, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Qi Lin
- Department of Pharmacy, Institute of Medical Sciences, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Dapeng Wang
- Department of Neurosurgery, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Jian Hai
- Department of Neurosurgery, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
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10
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Xi X, Zhang R, Chi Y, Zhu Z, Sun R, Gong W. TXNIP Regulates NLRP3 Inflammasome-Induced Pyroptosis Related to Aging via cAMP/PKA and PI3K/Akt Signaling Pathways. Mol Neurobiol 2024:10.1007/s12035-024-04089-5. [PMID: 38460079 DOI: 10.1007/s12035-024-04089-5] [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: 10/25/2023] [Accepted: 03/02/2024] [Indexed: 03/11/2024]
Abstract
Aging is an inevitable natural process with time-dependent dysfunction and the occurrence of various diseases, which impose heavy burdens on individuals, families, and society. It has been reported that NLRP3 inflammasome-induced pyroptosis contributes significantly to age-related diseases and aging, while TXNIP is suggested to be involved in regulating pyroptosis mediated by NLRP3. However, the mechanism between TXNIP and NLRP3 inflammasome is still unclear. In this study, we used HT-22 cells to explore the effect of TXNIP on pyroptosis and its potential association with the aging. Also, we delved into the underlying mechanisms. Our findings revealed that TXNIP significantly augmented pyroptosis in HT-22 cells, primarily by enhancing the activation of the NLRP3 inflammasome and promoting the release of proinflammatory cytokines. Remarkably, as TXNIP levels increased, we observed a corresponding rise in the number of p16-positive cells, which is indicative of aging. Furthermore, we conducted experiments to modulate the improvement of TXNIP on NLRP3 inflammasome-induced pyroptosis, that is, the PI3K activator 740 Y-P and the PKA activator DC2797 inhibited the effect, while the PI3K inhibitor LY294002 and the PKA inhibitor H89 enhanced the effect. In conclusion, our study demonstrated that TXNIP regulates NLRP3 inflammasome-induced pyroptosis in HT-22 cells related to aging via the PI3K/Akt and cAMP/PKA pathways.
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Affiliation(s)
- Xiaoshuang Xi
- Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
- Beijing Rehabilitation Medicine Academy, Capital Medical University, Beijing, China
| | - Rong Zhang
- The Second Clinical Medical College, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Yijia Chi
- Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
- Beijing Rehabilitation Medicine Academy, Capital Medical University, Beijing, China
| | - Ziman Zhu
- Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
- Beijing Rehabilitation Medicine Academy, Capital Medical University, Beijing, China
| | - Ruifeng Sun
- Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China
- Beijing Rehabilitation Medicine Academy, Capital Medical University, Beijing, China
| | - Weijun Gong
- Department of Neurological Rehabilitation, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China.
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11
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Xie XD, Dong SS, Liu RJ, Shi LL, Zhu T. Mechanism of Efferocytosis in Determining Ischaemic Stroke Resolution-Diving into Microglia/Macrophage Functions and Therapeutic Modality. Mol Neurobiol 2024:10.1007/s12035-024-04060-4. [PMID: 38409642 DOI: 10.1007/s12035-024-04060-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 02/17/2024] [Indexed: 02/28/2024]
Abstract
After ischaemic cerebral vascular injury, efferocytosis-a process known as the efficient clearance of apoptotic cells (ACs) by various phagocytes in both physiological and pathological states-is crucial for maintaining central nervous system (CNS) homeostasis and regaining prognosis. The mechanisms of efferocytosis in ischaemic stroke and its influence on preventing inflammation progression from secondary injury were still not fully understood, despite the fact that the fundamental process of efferocytosis has been described in a series of phases, including AC recognition, phagocyte engulfment, and subsequent degradation. The genetic reprogramming of macrophages and brain-resident microglia after an ischaemic stroke has been equated by some researchers to that of the peripheral blood and brain. Based on previous studies, some molecules, such as signal transducer and activator of transcription 6 (STAT6), peroxisome proliferator-activated receptor γ (PPARG), CD300A, and sigma non-opioid intracellular receptor 1 (SIGMAR1), were discovered to be largely associated with aspects of apoptotic cell elimination and accompanying neuroinflammation, such as inflammatory cytokine release, phenotype transformation, and suppressing of antigen presentation. Exacerbated stroke outcomes are brought on by defective efferocytosis and improper modulation of pertinent signalling pathways in blood-borne macrophages and brain microglia, which also results in subsequent tissue inflammatory damage. This review focuses on recent researches which contain a number of recently discovered mechanisms, such as studies on the relationship between benign efferocytosis and the regulation of inflammation in ischaemic stroke, the roles of some risk factors in disease progression, and current immune approaches that aim to promote efferocytosis to treat some autoimmune diseases. Understanding these pathways provides insight into novel pathophysiological processes and fresh characteristics, which can be used to build cerebral ischaemia targeting techniques.
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Affiliation(s)
- Xiao-Di Xie
- Department of Pathophysiology, School of Basic Medicine, Institute of Neuroregeneration & Neurorehabilitation, Qingdao University, No. 308 Ningxia Road, Qingdao, China
| | - Shan-Shan Dong
- Department of Pathophysiology, School of Basic Medicine, Institute of Neuroregeneration & Neurorehabilitation, Qingdao University, No. 308 Ningxia Road, Qingdao, China
- Department of Rehabilitation Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Ru-Juan Liu
- Department of Pathophysiology, School of Basic Medicine, Institute of Neuroregeneration & Neurorehabilitation, Qingdao University, No. 308 Ningxia Road, Qingdao, China
- Department of Rehabilitation Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Liu-Liu Shi
- Department of Pathophysiology, School of Basic Medicine, Institute of Neuroregeneration & Neurorehabilitation, Qingdao University, No. 308 Ningxia Road, Qingdao, China
- Department of Neurosurgery, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Ting Zhu
- Department of Pathophysiology, School of Basic Medicine, Institute of Neuroregeneration & Neurorehabilitation, Qingdao University, No. 308 Ningxia Road, Qingdao, China.
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Hu W, Zou L, Yu N, Wu Z, Yang W, Wu T, Liu Y, Pu Y, Jiang Y, Zhang J, Zhu H, Cheng F, Feng S. Catalpol rescues LPS-induced cognitive impairment via inhibition of NF-Κb-regulated neuroinflammation and up-regulation of TrkB-mediated BDNF secretion in mice. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117345. [PMID: 37926114 DOI: 10.1016/j.jep.2023.117345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 10/18/2023] [Accepted: 10/22/2023] [Indexed: 11/07/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Septic-associated encephalopathy (SAE) is a key manifestation of sepsis. Nevertheless, specific treatment for SAE is still lacking. Catalpol is an active component derived from Rehmanniae Radix, and has been demonstrated to be a potential neuroprotective agent. However, its effect on SAE still needs to be fully explored. AIM To address the benefits of catalpol on post-sepsis cognitive deterioration and related mechanisms. MATERIALS AND METHODS Novel object recognition test, temporal order task, histopathology, and immunochemistry were applied to address the benefits of catalpol on LPS-triggered post-sepsis cognitive decline in mice. Xuebijing injection (10 ml/kg) has been utilized as a positive control in the above animal studies. After treatment, the catalpol content in the hippocampus was determined using LC-MS/MS. Finally, the mechanisms of catalpol were further assessed in BV2 and PC12 cells in vitro using Western blot, RT-PCR, flow cytometry, molecular docking tests, thermal shift assay, transmission electron microscopy, and immunofluorescence analysis. RESULTS Behavior tests showed that catalpol therapy could lessen the cognitive impairment induced by LPS damage. HE, Nissl, immunofluorescence, transmission electron microscopy, and Golgi staining further reflected that catalpol treatment could restore lymphocyte infiltration, blood-brain barrier (BBB) degradation, and the decreasing complexity of dendritic trees. According to LC-MS/MS analysis, catalpol had a 136 ng/mg concentration in the hippocampus. In vitro investigation showed that catalpol could inhibit microglia M1 polarization via blocking NF-κB phosphorylation, translocation and then reducing inflammatory cytokine release in BV2 microglia cells. Brain-derived neurotrophic factor (BDNF) release up-regulation and TrkB pathway activation were observed in the catalpol treatment group in vivo and in vitro. The effect of catalpol on enhancing BDNF expression was inhibited by the specific inhibitor of TrkB (GNF-5837) in PC12 cells. Further molecular docking tests showed that catalpol formed weak hydrophobic bonds with TrkB. Besides, thermal shift assay also reflected that catalpol incubation caused a considerable change in the melting temperature of the TrkB. CONCLUSION Catalpol alleviates LPS-triggered post-sepsis cognitive impairment by reversing neuroinflammation via blocking the NF-κB pathway, up-regulating neurotrophic factors via the activation of TrkB pathway, and preserving BBB integrity.
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Affiliation(s)
- Weiqing Hu
- Department of Traditional Chinese Medicine, College of Pharmaceutical Sciences and Traditional Chinese Medicine, Southwest University, Chongqing, 400715, China.
| | - Li Zou
- Sichuan Vocational College of Health and Rehabilitation, Zigong, 643000, China.
| | - Ningxi Yu
- Department of Traditional Chinese Medicine, College of Pharmaceutical Sciences and Traditional Chinese Medicine, Southwest University, Chongqing, 400715, China.
| | - Zhizhongbin Wu
- Department of Traditional Chinese Medicine, College of Pharmaceutical Sciences and Traditional Chinese Medicine, Southwest University, Chongqing, 400715, China.
| | - Wei Yang
- Department of Traditional Chinese Medicine, College of Pharmaceutical Sciences and Traditional Chinese Medicine, Southwest University, Chongqing, 400715, China.
| | - Tianyue Wu
- Department of Traditional Chinese Medicine, College of Pharmaceutical Sciences and Traditional Chinese Medicine, Southwest University, Chongqing, 400715, China.
| | - Yulin Liu
- Department of Traditional Chinese Medicine, College of Pharmaceutical Sciences and Traditional Chinese Medicine, Southwest University, Chongqing, 400715, China.
| | - Yu Pu
- Department of Traditional Chinese Medicine, College of Pharmaceutical Sciences and Traditional Chinese Medicine, Southwest University, Chongqing, 400715, China.
| | - Yunbing Jiang
- Department of Traditional Chinese Medicine, College of Pharmaceutical Sciences and Traditional Chinese Medicine, Southwest University, Chongqing, 400715, China.
| | - Jifeng Zhang
- Department of Traditional Chinese Medicine, College of Pharmaceutical Sciences and Traditional Chinese Medicine, Southwest University, Chongqing, 400715, China
| | - Huifeng Zhu
- Department of Traditional Chinese Medicine, College of Pharmaceutical Sciences and Traditional Chinese Medicine, Southwest University, Chongqing, 400715, China.
| | - Fang Cheng
- The Third Affiliated Hospital of Henan University of Chinese Medicine, 63 Dongming Road, Zhengzhou City, Henan Province, China.
| | - Shan Feng
- Department of Traditional Chinese Medicine, College of Pharmaceutical Sciences and Traditional Chinese Medicine, Southwest University, Chongqing, 400715, China.
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13
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Bangar A, Khan H, Kaur A, Dua K, Singh TG. Understanding mechanistic aspect of the therapeutic role of herbal agents on neuroplasticity in cerebral ischemic-reperfusion injury. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117153. [PMID: 37717842 DOI: 10.1016/j.jep.2023.117153] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 08/10/2023] [Accepted: 09/06/2023] [Indexed: 09/19/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Stroke is one of the leading causes of death and disability. The only FDA-approved therapy for treating stroke is tissue plasminogen activator (tPA), exhibiting a short therapeutic window. Due to this reason, only a small number of patients can be benefitted in this critical period. In addition, the use of endovascular interventions may reverse vessel occlusion more effectively and thus help further improve outcomes in experimental stroke. During recovery of blood flow after ischemia, patients experience cognitive, behavioral, affective, emotional, and electrophysiological changes. Therefore, it became the need for an hour to discover a novel strategy for managing stroke. The drug discovery process has focused on developing herbal medicines with neuroprotective effects via modulating neuroplasticity. AIM OF THE STUDY We gather and highlight the most essential traditional understanding of therapeutic plants and their efficacy in cerebral ischemia-reperfusion injury. In addition, we provide a concise summary and explanation of herbal drugs and their role in improving neuroplasticity. We review the pharmacological activity of polyherbal formulations produced from some of the most frequently referenced botanicals for the treatment of cerebral ischemia damage. MATERIALS AND METHODS A systematic literature review of bentham, scopus, pubmed, medline, and embase (elsevier) databases was carried out with the help of the keywords like neuroplasticity, herbal drugs, neural progenitor cells, neuroprotection, stem cells. The review was conducted using the above keywords to understand the therapeutic and mechanistic role of herbal neuroprotective agents on neuroplasticity in cerebral ischemic-reperfusion injury. RESULTS Neuroplasticity emerged as an alternative to improve recovery and management after cerebral ischemic reperfusion injury. Neuroplasticity is a physiological process throughout one's life in response to any stimuli and environment. Traditional herbal medicines have been established as an adjuvant to stroke therapy since they were used from ancient times and provided promising effects as an adjuvant to experimental stroke. The plants and phytochemicals such as Curcuma longa L., Moringa oliefera Lam, Panax ginseng C.A. Mey., and Rehmannia glutinosa (Gaertn.) DC., etc., have shown promising effects in improving neuroplasticity after experimental stroke. Such effects occur by modulation of various molecular signalling pathways, including PI3K/Akt, BDNF/CREB, JAK/STAT, HIF-1α/VEGF, etc. CONCLUSIONS: Here, we gave a perspective on plant species that have shown neuroprotective effects and can show promising results in promoting neuroplasticity with specific targets after cerebral ischemic reperfusion injury. In this review, we provide the complete detail of studies conducted on the role of herbal drugs in improving neuroplasticity and the signaling pathway involved in the recovery and management of experimental stroke.
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Affiliation(s)
- Annu Bangar
- Chitkara College of Pharmacy, Chitkara University, Punjab, 140401, India.
| | - Heena Khan
- Chitkara College of Pharmacy, Chitkara University, Punjab, 140401, India.
| | - Amarjot Kaur
- Chitkara College of Pharmacy, Chitkara University, Punjab, 140401, India.
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW, 2007, Australia; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW, 2007, Australia.
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14
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Lu W, Wen J. Crosstalk Among Glial Cells in the Blood-Brain Barrier Injury After Ischemic Stroke. Mol Neurobiol 2024:10.1007/s12035-024-03939-6. [PMID: 38279077 DOI: 10.1007/s12035-024-03939-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Accepted: 01/11/2024] [Indexed: 01/28/2024]
Abstract
Blood-brain barrier (BBB) is comprised of brain microvascular endothelial cells (ECs), astrocytes, perivascular microglia, pericytes, neuronal processes, and the basal lamina. As a complex and dynamic interface between the blood and the central nervous system (CNS), BBB is responsible for transporting nutrients essential for the normal metabolism of brain cells and hinders many toxic compounds entering into the CNS. The loss of BBB integrity following stroke induces tissue damage, inflammation, edema, and neural dysfunction. Thus, BBB disruption is an important pathophysiological process of acute ischemic stroke. Understanding the mechanism underlying BBB disruption can uncover more promising biological targets for developing treatments for ischemic stroke. Ischemic stroke-induced activation of microglia and astrocytes leads to increased production of inflammatory mediators, containing chemokines, cytokines, matrix metalloproteinases (MMPs), etc., which are important factors in the pathological process of BBB breakdown. In this review, we discussed the current knowledges about the vital and dual roles of astrocytes and microglia on the BBB breakdown during ischemic stroke. Specifically, we provided an updated overview of phenotypic transformation of microglia and astrocytes, as well as uncovered the crosstalk among astrocyte, microglia, and oligodendrocyte in the BBB disruption following ischemic stroke.
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Affiliation(s)
- Weizhuo Lu
- Medical Branch, Hefei Technology College, Hefei, China
| | - Jiyue Wen
- Department of Pharmacology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China.
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15
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Liang H, Yin G, Shi G, Liu Z, Liu X, Li J. Echinacoside regulates PI3K/AKT/HIF-1α/VEGF cross signaling axis in proliferation and apoptosis of breast cancer. Anal Biochem 2024; 684:115360. [PMID: 37865269 DOI: 10.1016/j.ab.2023.115360] [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: 06/29/2023] [Revised: 10/07/2023] [Accepted: 10/18/2023] [Indexed: 10/23/2023]
Abstract
CONTEXT Echinacoside (ECH) is a natural anti-cancer compound and is of great value in cancer treatment. However, the mechanism underlying this effect on breast cancer (BC) was unclear. OBJECTIVE To explore the mechanism of ECH treating BC by network pharmacology and experimental validation. MATERIALS & METHODS Several databases were searched to screen potential targets of ECH and obtain information on targets related to BC. STRING was applied to construct a Protein-protein interaction (PPI) network. DAVID was applied for Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis. Gene Expression Profiling Interactive Analysis (GEPIA) was searched for the relationship between the expression profile and overall survival of major targets in normal breast and BC tissues. Finally, the results of network pharmacology analysis were validated by experiments. RESULTS Seventeen targets of ECH overlapped with targets in BC. Ten hub targets were determined through PPI. By GO and KEGG analysis 15 entries and 25 pathways were obtained, in which phosphatidylinositol 3-kinase (PI3K), protein kinase B (AKT), hypoxia inducible factor-1 (HIF-1) and vascular endothelial growth factor (VEGF) played greater roles. Validation of key targets in the GEPIA database showed that PIK3R1 and PIK3CD remained consistent with the results of the study. Experiments in vitro showed ECH inhibited proliferation, induced apoptosis and reduced mRNA levels and protein expression of PI3K, AKT, hypoxia inducible factor-1α (HIF-1α) and vascular endothelial growth factor A (VEGFA) in MCF-7 cells. Furthermore, experiments in vivo revealed that ECH significantly reduced tumor growth, promoted apoptosis and decreased the related mRNA levels and protein expression, suggesting ECH works on BC by regulating PI3K/AKT/HIF-1α/VEGF signaling pathway. DISCUSSION & CONCLUSION In summary, ECH played an important role in anti-BC by regulating PI3K/AKT/HIF-1α/VEGF signaling pathway. Furthermore, ECH had multi-target and multi-pathway effects, which may be a promising natural compound for treating BC.
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Affiliation(s)
- Hongyi Liang
- Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People's Republic of China
| | - Guoliang Yin
- Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People's Republic of China
| | - Guangxi Shi
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People's Republic of China
| | - Zhiyong Liu
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People's Republic of China
| | - Xiaofei Liu
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People's Republic of China.
| | - Jingwei Li
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People's Republic of China.
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16
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Fukuyama Y, Kubo M, Harada K. Neurotrophic Natural Products. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2024; 123:1-473. [PMID: 38340248 DOI: 10.1007/978-3-031-42422-9_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/12/2024]
Abstract
Neurotrophins (NGF, BDNF, NT3, NT4) can decrease cell death, induce differentiation, as well as sustain the structure and function of neurons, which make them promising therapeutic agents for the treatment of neurodegenerative disorders. However, neurotrophins have not been very effective in clinical trials mostly because they cannot pass through the blood-brain barrier owing to being high-molecular-weight proteins. Thus, neurotrophin-mimic small molecules, which stimulate the synthesis of endogenous neurotrophins or enhance neurotrophic actions, may serve as promising alternatives to neurotrophins. Small-molecular-weight natural products, which have been used in dietary functional foods or in traditional medicines over the course of human history, have a great potential for the development of new therapeutic agents against neurodegenerative diseases such as Alzheimer's disease. In this contribution, a variety of natural products possessing neurotrophic properties such as neurogenesis, neurite outgrowth promotion (neuritogenesis), and neuroprotection are described, and a focus is made on the chemistry and biology of several neurotrophic natural products.
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Affiliation(s)
- Yoshiyasu Fukuyama
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, 770-8514, Japan.
| | - Miwa Kubo
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, 770-8514, Japan
| | - Kenichi Harada
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, 770-8514, Japan
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17
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Liu A, Sun J, Tiwari S, Wong J, Wang H, Tang D, Han Z. Effect of Chinese herbal formulae (BU-SHEN-YI-QI granule) treatment on thrombin expression after ischemia/reperfusion. ALL LIFE 2023. [DOI: 10.1080/26895293.2023.2173311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023] Open
Affiliation(s)
- Aihua Liu
- Department of Integrative Medicine, Huashan Hospital Affiliated to Fudan University, Shanghai, P.R. People’s Republic of China
| | - Jing Sun
- Department of Integrative Medicine, Huashan Hospital Affiliated to Fudan University, Shanghai, P.R. People’s Republic of China
| | - Sagun Tiwari
- Department of Neurology and Rehabilitation, Seventh People's Hospital of Shanghai University of TCM, Shanghai, P.R. People’s Republic of China
- International Education College, Shanghai University of TCM, Shanghai, P.R. People’s Republic of China
| | - John Wong
- School of Nursing and Department of Occupational Therapy, MGH Institute of Health Professions, Boston, MA, USA
| | - Honglin Wang
- Department of Neurology and Rehabilitation, Seventh People's Hospital of Shanghai University of TCM, Shanghai, P.R. People’s Republic of China
| | - Dongxu Tang
- Department of Neurology and Rehabilitation, Seventh People's Hospital of Shanghai University of TCM, Shanghai, P.R. People’s Republic of China
| | - Zhenxiang Han
- Department of Neurology and Rehabilitation, Seventh People's Hospital of Shanghai University of TCM, Shanghai, P.R. People’s Republic of China
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18
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Liu T, Wang W, Li X, Chen Y, Mu F, Wen A, Liu M, Ding Y. Advances of phytotherapy in ischemic stroke targeting PI3K/Akt signaling. Phytother Res 2023; 37:5509-5528. [PMID: 37641491 DOI: 10.1002/ptr.7994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 07/29/2023] [Accepted: 08/15/2023] [Indexed: 08/31/2023]
Abstract
The pathogenesis of ischemic stroke is complex, and PI3K/Akt signaling is considered to play a crucial role in it. The PI3K/Akt pathway regulates inflammation, oxidative stress, apoptosis, autophagy, and vascular endothelial homeostasis after cerebral ischemia; therefore, drug research targeting the PI3K/Akt pathway has become the focus of scientists. In this review, we analyzed the research reports of antiischemic stroke drugs targeting the PI3K/Akt pathway in the past two decades. Because of the rich sources of natural products, increasing studies have explored the value of natural compounds, including Flavonoids, Quinones, Alkaloids, Phenylpropanoids, Phenols, Saponins, and Terpenoids, in alleviating neurological impairment and achieved satisfactory results. Herbal extracts and medicinal formulas have been applied in the treatment of ischemic stroke for thousands of years in East Asian countries. These precious clinical experiences provide a new avenue for research of antiischemic stroke drugs. Finally, we summarize and discuss the characteristics and shortcomings of the current research and put forward prospects for further in-depth exploration.
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Affiliation(s)
- Tianlong Liu
- Department of Pharmacy, The 940th Hospital Joint Logistics Support Forces of PLA, Lanzhou, China
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Wenjun Wang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiaolin Li
- Department of Pharmacy, The 940th Hospital Joint Logistics Support Forces of PLA, Lanzhou, China
| | - Yidan Chen
- Department of Pharmacy, The 940th Hospital Joint Logistics Support Forces of PLA, Lanzhou, China
| | - Fei Mu
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Aidong Wen
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Minna Liu
- Department of Nephrology, The 940th Hospital Joint Logistics Support Forces of PLA, Lanzhou, China
| | - Yi Ding
- Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi'an, China
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Jia J, Chen J, Wang G, Li M, Zheng Q, Li D. Progress of research into the pharmacological effect and clinical application of the traditional Chinese medicine Rehmanniae Radix. Biomed Pharmacother 2023; 168:115809. [PMID: 37907043 DOI: 10.1016/j.biopha.2023.115809] [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: 09/06/2023] [Revised: 10/18/2023] [Accepted: 10/26/2023] [Indexed: 11/02/2023] Open
Abstract
The traditional Chinese medicine (TCM) Rehmanniae Radix (RR) refers to the fresh or dried root tuber of the plant Rehmannia glutinosa Libosch of the family Scrophulariaceae. As a traditional Chinese herbal medicine (CHM), it possesses multiple effects, including analgesia, sedation, anti-inflammation, antioxidation, anti-tumor, immunomodulation, cardiovascular and cerebrovascular regulation, and nerve damage repair, and it has been widely used in clinical practice. In recent years, scientists have extensively studied the active components and pharmacological effects of RR. Active ingredients mainly include iridoid glycosides (such as catalpol and aucuboside), phenylpropanoid glycosides (such as acteoside), other saccharides, and unsaturated fatty acids. In addition, the Chinese patent medicine (CPM) and Chinese decoction related to RR have also become major research subjects for TCM practitioners; one example is the Bolus of Six Drugs, which includes Rehmannia, Lily Bulb and Rehmannia Decoction, and Siwu Decoction. This article reviews recent literature on RR; summarizes the studies on its chemical constituents, pharmacological effects, and clinical applications; and analyzes the progress and limitations of current investigations to provide reference for further exploration and development of RR.
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Affiliation(s)
- Jinhao Jia
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, PR China
| | - Jianfei Chen
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, PR China
| | - Guoli Wang
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, PR China
| | - Minjing Li
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, PR China
| | - Qiusheng Zheng
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, PR China; Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, School of Pharmacy, Shihezi University, Shihezi 832003 Xinjiang, PR China.
| | - Defang Li
- Featured Laboratory for Biosynthesis and Target Discovery of Active Components of Traditional Chinese Medicine, School of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, Shandong, PR China; Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, School of Pharmacy, Shihezi University, Shihezi 832003 Xinjiang, PR China.
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Li JH, Yu GS, Wang YD, Li TK. In vitro protective effect of recombinant prominin-1 combined with microRNA-29b on N-methyl-D-aspartate-induced excitotoxicity in retinal ganglion cells. Int J Ophthalmol 2023; 16:1746-1755. [PMID: 38028520 PMCID: PMC10626362 DOI: 10.18240/ijo.2023.11.03] [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: 11/18/2022] [Accepted: 08/15/2023] [Indexed: 12/01/2023] Open
Abstract
AIM To determine the in vitro protective effect of recombinant prominin-1 (Prominin-1)+microRNA-29b (P1M29) on N-methyl-D-aspartate (NMDA)-induced excitotoxicity in retinal ganglion cells (RGCs). METHODS RGC-5 cells were cultured, and NMDA-induced excitotoxicity at the range of 100-800 µmol/L was assessed using the MTT assay. NMDA (800 µmol/L) was selected as the appropriate concentration for preparing the cell model. To evaluate the protective effect of P1M29 on the cell model, Prominin-1 was added at the concentration of 1-6 ng/mL for 48h, and the cell survival was investigated with/without microRNA-29b. After obtaining the appropriate concentration and time of P1M29 at 48h, real-time polymerase chain reaction (PCR) was utilized to detect the relative mRNA expression of vascular endothelial growth factor (VEGF) and transforming growth factor (TGF)-β2. Western blot detection was applied to measure the phosphorylation levels of protein kinase B (AKT) and extracellular regulated protein kinases (ERK) in RGC-5 cells after treatment with Prominin-1. Apoptosis study of the cell model was conducted by flow cytometry for estimating the anti-apoptotic effect of P1M29. Immunofluorescence analysis was used to analyze the expression levels of VEGF and TGF-β2. RESULTS MTT cytotoxicity assays demonstrated that P1M29 group had significantly higher cell survival rate than Prominin-1 group (P<0.05). Real-time PCR data indicated that the expression levels of VEGF were significantly increased in both Prominin-1 and P1M29 groups compared NMDA and microRNA-29b group (P<0.05), while TGF-β2 were significantly decreased in both microRNA-29b and P1M29 groups compared NMDA and Prominin-1 group (P<0.05). Western blot results showed that both Prominin-1 and P1M29 groups significantly increased the phosphorylation levels of AKT and ERK compared to NMDA and microRNA-29b groups (P<0.05). Flow cytometry analysis revealed that P1M29 could prevent RGC-5 cell apoptosis in the early stage of apoptosis, while immunofluorescence results showed that P1M29 group had higher expression of VEGF and lower expression of TGF-β2 with a stronger green fluorescence than NMDA group. CONCLUSION Prominin-1 combined with microRNA-29b can provide a suitable therapeutic option for ameliorating NMDA-induced excitotoxicity in RGC-5 cells.
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Affiliation(s)
- Jun-Hua Li
- Eye Hospital and School of Ophthalmology and Optometry, Wenzhou Medical University, Wenzhou 325027, Zhejiang Province, China
- Eye Hospital of Wenzhou Medical University Hangzhou Branch, Hangzhou 310020, Zhejiang Province, China
| | - Guan-Shun Yu
- Eye Hospital and School of Ophthalmology and Optometry, Wenzhou Medical University, Wenzhou 325027, Zhejiang Province, China
- Eye Hospital of Wenzhou Medical University Hangzhou Branch, Hangzhou 310020, Zhejiang Province, China
| | - Yu-Da Wang
- Eye Hospital and School of Ophthalmology and Optometry, Wenzhou Medical University, Wenzhou 325027, Zhejiang Province, China
- Eye Hospital of Wenzhou Medical University Hangzhou Branch, Hangzhou 310020, Zhejiang Province, China
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21
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Fang M, Hou H, Feng B, Zhang T, Zhu X, Liu Z. The neuroprotective effect of dl-3-n-butylphthalide on the brain with experimental intracerebral hemorrhage. Eur J Pharmacol 2023; 959:176105. [PMID: 37802280 DOI: 10.1016/j.ejphar.2023.176105] [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: 06/08/2023] [Revised: 09/14/2023] [Accepted: 10/04/2023] [Indexed: 10/08/2023]
Abstract
Intracerebral hemorrhage (ICH) is the most devastating subtype of stroke, nevertheless specific treatments with conclusive clinical benefit in improving outcomes of ICH remain lacking. The present study applied dl-3-n-butylphthalide (NBP), a compound approved for the treatment of ischemic stroke and rarely studied in ICH, to an experimental animal model of ICH, aiming to evaluate the therapeutic effects of NBP on ICH and the potential mechanisms. The results showed that rats receiving NBP administration exhibited a structural and functional restoration of brain after ICH mainly manifested as alleviation of neuronal apoptosis, suppression of neuroinflammation and oxidative stress, neurovascular remodeling, and eventually improvement of neurological deficits. In addition, several protein targets of NBP were revealed, which mainly play molecular functions of ribonucleoside triphosphate phosphatase activity, pyrophosphatase activity, hydrolase activity and GTPase activity, and participate in the biological process of brain development by regulating the formation of cellular components such as spindles, polymeric cytoskeletal fibers, microtubules and synapses, through mediating pathways such as VEGF signaling pathway, Fc epsilon RI signaling pathway, ECM-receptor interaction, Fc gamma R-mediated phagocytosis, peroxisome and so on, guiding the mechanism exploration of NBP therapy to some extent. Taken together, the study added some new evidence to the application of NBP in ICH treatment.
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Affiliation(s)
- Min Fang
- Department of Neurology, Affiliated Hospital of Yangzhou University, Jiangsu, China
| | - Hongling Hou
- Department of Neurology, Affiliated Hospital of Yangzhou University, Jiangsu, China
| | - Bo Feng
- Department of Pharmacy, Affiliated Hospital of Yangzhou University, Jiangsu, China
| | - Tianzhu Zhang
- College of Pharmacy, Chongqing Medical and Pharmaceutical College, Chongqing, China
| | - Xiaomei Zhu
- Department of Pharmacy, Beidahuang Industry Group General Hospital, Heilongjiang, China
| | - Zhen Liu
- Department of Neurology, Affiliated Hospital of Yangzhou University, Jiangsu, China.
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22
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Kang K, Wang DP, Lv QL, Chen F. VEGF-A ameliorates ischemia hippocampal neural injury via regulating autophagy and Akt/CREB signaling in a rat model of chronic cerebral hypoperfusion. J Stroke Cerebrovasc Dis 2023; 32:107367. [PMID: 37734181 DOI: 10.1016/j.jstrokecerebrovasdis.2023.107367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 09/06/2023] [Accepted: 09/12/2023] [Indexed: 09/23/2023] Open
Abstract
OBJECTIVE Chronic cerebral hypoperfusion (CCH) can cause a series of pathophysiological processes, including neuronal autophagy and apoptosis. VEGF-A has been reported to affect angiogenesis and neurogenesis in many CNS diseases. However, its effects on neuronal autophagy and apoptosis, as well as the underlying mechanisms in CCH remain unclear. METHODS To address these issues, the CCH model was established by permanent bilateral common carotid artery occlusion (2VO). Rats were sacrificed at different stages of CCH. Hippocampal morphological and ultrastructural changes were detected using HE staining and electron microscopy. The immunoreactivities of microtubule-associated protein 1 light chain 3 (LC3) and phospho-cAMP response element binding protein (p-CREB) were examined by immunofluorescence staining. The neuronal apoptosis was detected via TUNEL staining. The levels of LC3-II, Beclin-1, Akt, p-Akt, CREB, p-CREB, Caspase-3, and Bad were accessed by Western blotting. Furthermore, mouse hippocampal HT22 neurons received the oxygen and glucose deprivation (OGD) treatment, VEGF-A treatment, and GSK690693 (an Akt inhibitor) treatment, respectively. RESULTS LC3-II protein started to increase at 3 days of CCH, peaked at 4 weeks of CCH, then decreased. CCH increased the levels of LC3-II, Caspase-3, and Bad, and decreased the levels of p-Akt, CREB, and p-CREB, which were reversed by VEGF-A treatment. VEGF-A also improved CCH-induced neuronal ultrastructural injuries and apoptosis in the hippocampus in vitro. In HT22, the anti-apoptosis and pro-phosphorylation of VEGF-A were reversed by GSK690693. CONCLUSION Present results provide a novel neuroprotective effect of VEGF-A in CCH that is related to the inhibition of neuronal autophagy and activation of the Akt/CREB signaling, suggesting a potential therapeutic strategy for ischemic brain damage.
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Affiliation(s)
- Kai Kang
- School of Public Health, Fudan University, Shanghai 200032, China; Department of Research and Surveillance Evaluation, Shanghai Municipal Center for Health Promotion, Shanghai 200040, China
| | - Da-Peng Wang
- Department of Neurosurgery, Tong Ji Hospital, Tong Ji University School of Medicine, Shanghai, China
| | - Qiao-Li Lv
- Jiangxi Key Laboratory of Translational Cancer Research, Jiangxi Cancer Hospital, Jiangxi 330029, China.
| | - Feng Chen
- Department of Neurosurgery, Tong Ji Hospital, Tong Ji University School of Medicine, Shanghai, China
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23
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Li H, Zhang C, Zhou Y, Deng Y, Zheng X, Xue X. Neurovascular protection of alisol A on cerebral ischemia mice through activating the AKT/GSK3β pathway. Aging (Albany NY) 2023; 15:11639-11653. [PMID: 37889534 PMCID: PMC10637819 DOI: 10.18632/aging.205151] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 10/02/2023] [Indexed: 10/28/2023]
Abstract
Alisol A, a triterpene isolated from Alisma Orientale, has been shown to exhibit anti-inflammatory effects and vascular protection. This study was designed to observe the effect of alisol A on cerebral ischemia (CI)-induced neurovascular dysfunction in the hippocampus and to further explore the potential mechanisms. The results showed that alisol A treatment improved the neurological deficits and cognitive impairment of CI mice. Alisol A reduced gliosis and improved neuronal/glial metabolism. Accordingly, alisol A inhibited inflammatory factors IL-6 and IL-1β induced by overactivation of astrocytes and microglia, thus protecting the neurovasculature. Furthermore, alisol A promoted the survival of neurons by decreasing the ratio of Bax/Bcl-2, and protected brain microvascular endothelial cells (BMECs) by upregulating the expression of ZO-1, Occludin and CD31. The phosphorylation of protein kinase B (AKT) and glycogen synthase kinase 3β (GSK3β) increased after treatment with alisol A. To explore the underlying mechanism, AKT was inhibited. As expected, the neurovascular protection of alisol A above was eliminated by AKT inhibition. The present study primarily suggested that alisol A could exert neurovascular protection in the hippocampus of CI mice by activating the AKT/GSK3β pathway and may potentially be used for the treatment of CI.
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Affiliation(s)
- Huihong Li
- The Affiliated Rehabilitation Hospital, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Caiyun Zhang
- The Zhangpu Hospital of Traditional Chinese Medicine, Zhangzhou, Fujian, China
| | - Yangjie Zhou
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Yunfei Deng
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Xiaoqing Zheng
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Xiehua Xue
- The Affiliated Rehabilitation Hospital, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- Key Laboratory of Cognitive Rehabilitation of Fujian Province, Fuzhou, China
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24
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Liu H, Feng Y, Yang M, Huang Y, Li M, Geng Y, Ouyang P, Chen D, Yang S, Yin L, Li L, Huang X. Starvation induces hepatopancreas atrophy in Chinese mitten crab (Eriocheir sinensis) by inhibiting angiogenesis. BMC Genomics 2023; 24:612. [PMID: 37828424 PMCID: PMC10571328 DOI: 10.1186/s12864-023-09620-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Accepted: 08/23/2023] [Indexed: 10/14/2023] Open
Abstract
BACKGROUND The hepatopancreas of crustaceans serves as a significant organ for both the synthesis and secretion of digestive enzymes, as well as energy storage. In the event of food shortage, the hepatopancreas can provide energy for survival. To investigate the potential regulatory mechanisms of the hepatopancreas in response to starvation in Eriocheir Sinensis, transcriptome analysis, histological study and qRT-PCR were performed. RESULTS The results showed that starvation caused a decrease in the hepatopancreas index of E. sinensis, which had certain effects on the tissue structure, metabolism and angiogenesis in the hepatopancreas. In addition, WGCNA and linear regression analysis showed that the genes significantly related to the hepatopancreas index were mainly enriched in the angiogenesis pathway, in which AKT signaling played an important role. Starvation may inhibit AKT signaling pathway by reducing the expression of TGFBI, HSP27, HHEX, and EsPVF1, thereby hindering angiogenesis, promoting apoptosis, and leading to hepatopancreas atrophy. CONCLUSION These results indicate that AKT plays an important role in the angiogenesis pathway and apoptosis of the starvation induced hepatopancreas index reduction, which is beneficial to further understand the effect of starvation stress on hepatopancreas of Chinese mitten crab.
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Affiliation(s)
- Hongli Liu
- Department of Aquaculture, College of Animal Science & Technology, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Yang Feng
- Department of Basic Veterinary, College of Veterinary Medicine, Sichuan Agricultural University, Chendu, Sichuan, 611130, China
| | - Ma Yang
- Fisheries Research Institute, Chengdu Academy of Agriculture and Forestry Sciences, Chengdu, Sichuan, 611130, China
| | - Ya Huang
- Department of Aquaculture, College of Animal Science & Technology, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Minghao Li
- Department of Aquaculture, College of Animal Science & Technology, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Yi Geng
- Department of Basic Veterinary, College of Veterinary Medicine, Sichuan Agricultural University, Chendu, Sichuan, 611130, China
| | - Ping Ouyang
- Department of Basic Veterinary, College of Veterinary Medicine, Sichuan Agricultural University, Chendu, Sichuan, 611130, China
| | - Defang Chen
- Department of Aquaculture, College of Animal Science & Technology, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Shiyong Yang
- Department of Aquaculture, College of Animal Science & Technology, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Lizi Yin
- Department of Basic Veterinary, College of Veterinary Medicine, Sichuan Agricultural University, Chendu, Sichuan, 611130, China
| | - Liangyu Li
- Fisheries Research Institute, Chengdu Academy of Agriculture and Forestry Sciences, Chengdu, Sichuan, 611130, China.
| | - Xiaoli Huang
- Department of Aquaculture, College of Animal Science & Technology, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China.
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25
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Zhang Z, Dai Y, Xiao Y, Liu Q. Protective effects of catalpol on cardio-cerebrovascular diseases: A comprehensive review. J Pharm Anal 2023; 13:1089-1101. [PMID: 38024856 PMCID: PMC10657971 DOI: 10.1016/j.jpha.2023.06.010] [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: 03/20/2023] [Revised: 05/15/2023] [Accepted: 06/20/2023] [Indexed: 12/01/2023] Open
Abstract
Catalpol, an iridoid glucoside isolated from Rehmannia glutinosa, has gained attention due to its potential use in treating cardio-cerebrovascular diseases (CVDs). This extensive review delves into recent studies on catalpol's protective properties in relation to various CVDs, such as atherosclerosis, myocardial ischemia, infarction, cardiac hypertrophy, and heart failure. The review also explores the compound's anti-oxidant, anti-inflammatory, and anti-apoptotic characteristics, emphasizing the role of vital signaling pathways, including PGC-1α/TERT, PI3K/Akt, AMPK, Nrf2/HO-1, estrogen receptor (ER), Nox4/NF-κB, and GRP78/PERK. The article discusses emerging findings on catalpol's ability to alleviate diabetic cardiovascular complications, thrombosis, and other cardiovascular-related conditions. Although clinical studies specifically addressing catalpol's impact on CVDs are scarce, the compound's established safety and well-tolerated nature suggest that it could be a valuable treatment alternative for CVD patients. Further investigation into catalpol and related iridoid derivatives may unveil new opportunities for devising natural and efficacious CVD therapies.
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Affiliation(s)
- Zixi Zhang
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
| | - Yongguo Dai
- Department of Clinical Pharmacology, College of Pharmacy, Dalian Medical University, Dalian, Liaoning, 116044, China
- Department of Pharmacology, Wuhan University TaiKang Medical School (School of Basic Medical Sciences), Wuhan, 430071, China
| | - Yichao Xiao
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
| | - Qiming Liu
- Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
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26
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Li W, Li M, Huang Q, He X, Shen C, Hou X, Xue F, Deng Z, Luo Y. Advancement of regulating cellular signaling pathways in NSCLC target therapy via nanodrug. Front Chem 2023; 11:1251986. [PMID: 37744063 PMCID: PMC10512551 DOI: 10.3389/fchem.2023.1251986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 08/29/2023] [Indexed: 09/26/2023] Open
Abstract
Lung cancer (LC) is one of the leading causes of high cancer-associated mortality worldwide. Non-small cell lung cancer (NSCLC) is the most common type of LC. The mechanisms of NSCLC evolution involve the alterations of multiple complex signaling pathways. Even with advances in biological understanding, early diagnosis, therapy, and mechanisms of drug resistance, many dilemmas still need to face in NSCLC treatments. However, many efforts have been made to explore the pathological changes of tumor cells based on specific molecular signals for drug therapy and targeted delivery. Nano-delivery has great potential in the diagnosis and treatment of tumors. In recent years, many studies have focused on different combinations of drugs and nanoparticles (NPs) to constitute nano-based drug delivery systems (NDDS), which deliver drugs regulating specific molecular signaling pathways in tumor cells, and most of them have positive implications. This review summarized the recent advances of therapeutic targets discovered in signaling pathways in NSCLC as well as the related NDDS, and presented the future prospects and challenges.
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Affiliation(s)
- Wenqiang Li
- Zigong First People’s Hospital, Zigong, Sichuan, China
| | - Mei Li
- West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Qian Huang
- Sichuan North Medical College, Nanchong, Sichuan, China
| | - Xiaoyu He
- Sichuan North Medical College, Nanchong, Sichuan, China
| | - Chen Shen
- West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xiaoming Hou
- West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Fulai Xue
- West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Zhiping Deng
- Zigong First People’s Hospital, Zigong, Sichuan, China
| | - Yao Luo
- Zigong First People’s Hospital, Zigong, Sichuan, China
- West China Hospital, Sichuan University, Chengdu, Sichuan, China
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27
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Yu H, Sun J, She K, Lv M, Zhang Y, Xiao Y, Liu Y, Han C, Xu X, Yang S, Wang G, Zang G. Sprayed PAA-CaO 2 nanoparticles combined with calcium ions and reactive oxygen species for antibacterial and wound healing. Regen Biomater 2023; 10:rbad071. [PMID: 37719928 PMCID: PMC10503269 DOI: 10.1093/rb/rbad071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 07/31/2023] [Accepted: 08/03/2023] [Indexed: 09/19/2023] Open
Abstract
The most common socioeconomic healthcare issues in clinical are burns, surgical incisions and other skin injuries. Skin lesion healing can be achieved with nanomedicines and other drug application techniques. This study developed a nano-spray based on cross-linked amorphous calcium peroxide (CaO2) nanoparticles of polyacrylic acid (PAA) for treating skin wounds (PAA-CaO2 nanoparticles). CaO2 serves as a 'drug' precursor, steadily and continuously releasing calcium ions (Ca2+) and hydrogen peroxide (H2O2) under mildly acidic conditions, while PAA-CaO2 nanoparticles exhibited good spray behavior in aqueous form. Tests demonstrated that PAA-CaO2 nanoparticles exhibited low cytotoxicity and allowed L929 cells proliferation and migration in vitro. The effectiveness of PAA-CaO2 nanoparticles in promoting wound healing and inhibiting bacterial growth in vivo was assessed in SD rats using full-thickness skin defect and Staphylococcus aureus (S.aureus)-infected wound models based thereon. The results revealed that PAA-CaO2 nanoparticles demonstrated significant advantages in both aspects. Notably, the infected rats' skin defects healed in 12 days. The benefits are linked to the functional role of Ca2+ coalesces with H2O2 as known antibacterial and healing-promoted agents. Therefore, we developed nanoscale PAA-CaO2 sprays to prevent bacterial development and heal skin lesions.
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Affiliation(s)
- Hong Yu
- Tissue and Cell Biology, Lab Teaching & Management Center, Chongqing Medical University, Chongqing 400016, China
| | - Jiale Sun
- Tissue and Cell Biology, Lab Teaching & Management Center, Chongqing Medical University, Chongqing 400016, China
| | - Kepeng She
- Tissue and Cell Biology, Lab Teaching & Management Center, Chongqing Medical University, Chongqing 400016, China
| | - Mingqi Lv
- Tissue and Cell Biology, Lab Teaching & Management Center, Chongqing Medical University, Chongqing 400016, China
| | - Yiqiao Zhang
- Tissue and Cell Biology, Lab Teaching & Management Center, Chongqing Medical University, Chongqing 400016, China
| | - Yawen Xiao
- Tissue and Cell Biology, Lab Teaching & Management Center, Chongqing Medical University, Chongqing 400016, China
| | - Yangkun Liu
- Tissue and Cell Biology, Lab Teaching & Management Center, Chongqing Medical University, Chongqing 400016, China
| | - Changhao Han
- Tissue and Cell Biology, Lab Teaching & Management Center, Chongqing Medical University, Chongqing 400016, China
| | - Xinyue Xu
- Tissue and Cell Biology, Lab Teaching & Management Center, Chongqing Medical University, Chongqing 400016, China
| | - Shuqing Yang
- Chongqing University Central Hospital, Chongqing Emergency Medical Center, Chongqing 400030, China
| | - Guixue Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
- Jinfeng Laboratory, Chongqing 401329, China
| | - Guangchao Zang
- Tissue and Cell Biology, Lab Teaching & Management Center, Chongqing Medical University, Chongqing 400016, China
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
- Jinfeng Laboratory, Chongqing 401329, China
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Song S, Zhang G, Chen X, Zheng J, Liu X, Wang Y, Chen Z, Wang Y, Song Y, Zhou Q. HIF-1α increases the osteogenic capacity of ADSCs by coupling angiogenesis and osteogenesis via the HIF-1α/VEGF/AKT/mTOR signaling pathway. J Nanobiotechnology 2023; 21:257. [PMID: 37550736 PMCID: PMC10405507 DOI: 10.1186/s12951-023-02020-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 07/23/2023] [Indexed: 08/09/2023] Open
Abstract
BACKGROUND Stabilization and increased activity of hypoxia-inducible factor 1-α (HIF-1α) can directly increase cancellous bone formation and play an essential role in bone modeling and remodeling. However, whether an increased HIF-1α expression in adipose-derived stem cells (ADSCs) increases osteogenic capacity and promotes bone regeneration is not known. RESULTS In this study, ADSCs transfected with small interfering RNA and HIF-1α overexpression plasmid were established to investigate the proliferation, migration, adhesion, and osteogenic capacity of ADSCs and the angiogenic ability of human umbilical vein endothelial cells (HUVECs). Overexpression of HIF-1α could promote the biological functions of ADSCs, and the angiogenic ability of HUVECs. Western blotting showed that the protein levels of osteogenesis-related factors were increased when HIF-1α was overexpressed. Furthermore, the influence of upregulation of HIF-1α in ADSC sheets on osseointegration was evaluated using a Sprague-Dawley (SD) rats implant model, in which the bone mass and osteoid mineralization speed were evaluated by radiological and histological analysis. The overexpression of HIF-1α in ADSCs enhanced bone remodeling and osseointegration around titanium implants. However, transfecting the small interfering RNA (siRNA) of HIF-1α in ADSCs attenuated their osteogenic and angiogenic capacity. Finally, it was confirmed in vitro that HIF-1α promotes osteogenic differentiation and the biological functions in ADSCs via the VEGF/AKT/mTOR pathway. CONCLUSIONS This study demonstrates that HIF-1α has a critical ability to promote osteogenic differentiation in ADSCs by coupling osteogenesis and angiogenesis via the VEGF/AKT/mTOR signaling pathway, which in turn increases osteointegration and bone formation around titanium implants.
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Affiliation(s)
- Shuang Song
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, 710004 China
| | - Guanhua Zhang
- Department of Oral Implants, School of Stomatology, State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, The Fourth Military Medical University, Xi’an, 710032 China
| | - Xutao Chen
- Department of Oral Implants, School of Stomatology, State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, The Fourth Military Medical University, Xi’an, 710032 China
| | - Jian Zheng
- Department of Oral Implants, School of Stomatology, State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, The Fourth Military Medical University, Xi’an, 710032 China
| | - Xiangdong Liu
- Department of Oral Implants, School of Stomatology, State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, The Fourth Military Medical University, Xi’an, 710032 China
| | - Yiqing Wang
- Department of Prosthodontics, Peking University School and Hospital of Stomatology, Beijing, 100081 China
| | - Zijun Chen
- Department of Oral Implants, School of Stomatology, State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, The Fourth Military Medical University, Xi’an, 710032 China
| | - Yuxi Wang
- Department of Oral Implants, School of Stomatology, State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, The Fourth Military Medical University, Xi’an, 710032 China
| | - Yingliang Song
- Department of Oral Implants, School of Stomatology, State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, The Fourth Military Medical University, Xi’an, 710032 China
| | - Qin Zhou
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, 710004 China
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Chen L, Cao Y, Shen Y, Li H, Ye R, Yao J. Downregulation of PIK3IP1 in retinal microglia promotes retinal pathological neovascularization via PI3K-AKT pathway activation. Sci Rep 2023; 13:12754. [PMID: 37550343 PMCID: PMC10406944 DOI: 10.1038/s41598-023-39473-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 07/26/2023] [Indexed: 08/09/2023] Open
Abstract
Retinal pathological neovascularization involves endothelial cells, pericytes, photoreceptor cells, ganglion cells, and glial cells, whose roles remain unclear. Using the Scissor algorithm, we found that microglia are associated with formation of fibrovascular membranes and can promote pathological neovascularization. GO and KEGG results showed that PI3K-AKT pathway activation in retinal microglia was associated with pathological neovascularization, and PIK3IP1 was associated with retinal microglia activation. Then we used PCR, Western blot and Elisa techniques to confirm that the expression of VEGFA, FGF2, HGFα and MMP9 was increased in microglia after Lipopolysaccharide (LPS) induction. We also used cell flow cytometry and OIR models to verify the role of PI3K-AKT pathway and PIK3IP1 in microglia. Targeting of PIK3IP1 regulated the activation of the PI3K-AKT pathway in microglia, microglia function activation, and pro-angiogenic effects. These findings reveal the role of M1-type microglia in pathological neovascularization and suggests that targeting the PI3K-AKT pathway in microglia may be a new strategy for treating retinal pathological neovascularization.
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Affiliation(s)
- Lushu Chen
- The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, China
- The Affiliated Eye Hospital, Nanjing Medical University, 138 Han Zhong Road, Nanjing, 210029, China
| | - Yuan Cao
- The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, China
- The Affiliated Eye Hospital, Nanjing Medical University, 138 Han Zhong Road, Nanjing, 210029, China
| | - Yaming Shen
- The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, China
- The Affiliated Eye Hospital, Nanjing Medical University, 138 Han Zhong Road, Nanjing, 210029, China
| | - Huan Li
- The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, China
- The Affiliated Eye Hospital, Nanjing Medical University, 138 Han Zhong Road, Nanjing, 210029, China
| | - Rong Ye
- The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, China
- The Affiliated Eye Hospital, Nanjing Medical University, 138 Han Zhong Road, Nanjing, 210029, China
| | - Jin Yao
- The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, China.
- The Affiliated Eye Hospital, Nanjing Medical University, 138 Han Zhong Road, Nanjing, 210029, China.
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Dun Y, Hu H, Liu F, Shao Y, He D, Zhang L, Shen J. PTTG1 promotes CD34+CD45+ cells to repair the pulmonary vascular barrier via activating the VEGF-bFGF/PI3K/AKT/eNOS signaling pathway in rats with phosgene-induced acute lung injury. Biomed Pharmacother 2023; 162:114654. [PMID: 37018988 DOI: 10.1016/j.biopha.2023.114654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 03/23/2023] [Accepted: 03/31/2023] [Indexed: 04/05/2023] Open
Abstract
Accidental exposure to phosgene can cause acute lung injury (ALI), characterized by uncontrolled inflammation and impaired lung blood-gas barrier. CD34+CD45+ cells with high pituitary tumor transforming gene 1 (PTTG1) expression were identified around rat pulmonary vessels through single-cell RNA sequencing, and have been shown to attenuate P-ALI by promoting lung vascular barrier repair. As a transcription factor closely related to angiogenesis, whether PTTG1 plays a role in CD34+CD45+ cell repairing the pulmonary vascular barrier in rats with P-ALI remains unclear. This study provided compelling evidence that CD34+CD45+ cells possess endothelial differentiation potential. Rats with P-ALI were intratracheally administered with CD34+CD45+ cells transfected with or without PTTG1-overexpressing and sh-PTTG1 lentivirus. It was found that CD34+CD45+ cells reduced the pulmonary vascular permeability and mitigated the lung inflammation, which could be reversed by knocking down PTTG1. Although PTTG1 overexpression enhanced the ability of CD34+CD45+ cells to attenuate P-ALI, no significant difference was found. PTTG1 was found to regulate the endothelial differentiation of CD34+CD45+ cells. In addition, knocking down of PTTG1 significantly reduced the protein levels of VEGF and bFGF, as well as their receptors, which in turn inhibited the activation of the PI3K/AKT/eNOS signaling pathway in CD34+CD45+ cells. Moreover, LY294002 (PI3K inhibitor) treatment inhibited the endothelial differentiation of CD34+CD45+ cells, while SC79 (AKT activator) yielded the opposite effect. These findings suggest that PTTG1 can promote the endothelial differentiation of CD34+CD45+ cells by activating the VEGF-bFGF/PI3K/AKT/eNOS signaling pathway, leading to the repair of the pulmonary vascular barrier in rats with P-ALI.
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Hou Y, Zhang Y, Jiang S, Xie N, Zhang Y, Meng X, Wang X. Salidroside intensifies mitochondrial function of CoCl 2-damaged HT22 cells by stimulating PI3K-AKT-MAPK signaling pathway. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 109:154568. [PMID: 36610162 DOI: 10.1016/j.phymed.2022.154568] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 10/29/2022] [Accepted: 11/19/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Salidroside (Sal), an active component from Rhodiola crenulata, has been confirmed to exert neuroprotective effects against hypoxia. However, its molecular mechanisms of intensifying mitochondrial function still largely unknown. In the present study, we aimed to explore the mechanisms by which Sal heightened mitochondrial function in CoCl2-induced HT22 hypoxic injury. METHODS The hypoxic condition of HT22 cells was performed by CoCl2 stimulus. We then investigated the effects of Sal on the viability of hypoxic HT22 cells by cell counting kit-8. The contents of lactate dehydrogenase (LDH) release in cultured supernatant were detected by using commercial biochemical kit. Superoxide free radical scavenging activity, total antioxidant capacity assay kit with ferric reducing ability of plasma and 2,2'-azino-bis (3-ethylbenzthiazoline-6-sulfonic acid) methods were employed to detect the free radical scavenging ability and antioxidant capacity of Sal. Meanwhile, intracellular reactive oxygen species (ROS), Ca2+ and mitochondrial membrane potential (MMP) were determined by corresponding specific labeled probes. Mitochondrial morphology was tested by Mito-tracker green with confocal microscopy. Hoechst 33342 and Annexin V-FITC/propidium iodide staining were also employed to evaluate the effect of Sal on cell apoptosis. Oxygen consumption rate (OCR), real-time ATP production and proton efflux rate were measured using a Seahorse analyzer. Additionally, the potential interactions of Sal with PI3K-AKT signaling pathway-related proteins were predicted and tested by molecular docking, molecular dynamics simulation (MDS) and localized surface plasmon resonance (LSPR) techniques, respectively. Furthermore, the protein levels of p-PI3K, PI3K, p-AKT, AKT, p-JNK, JNK, p-p38 and p38 were estimated by western blot analysis. RESULTS Sal alleviated CoCl2-induced hypoxic injury in HT22 cells as evidenced by increased cell viability and decreased LDH release. In vitro antioxidant test confirmed that Sal had marvelous antioxidant abilities. The protected mitochondrial function by Sal treatment was illustrated by the decrease of ROS, Ca2+, mitochondrial fragment and the increase of MMP. In addition, Sal ameliorated the apoptosis of HT22 cells by decreasing Hoechst 33342 positive cells and the rate of apoptotic cells. Enhancement of energy metabolism in HT22 by Sal was demonstrated by increased OCR, real-time ATP generation and proton efflux rate. The molecular docking confirmed the potential binding of Sal to PI3K, AKT and CaMK II proteins with calculated binding energy of -1.32, -4.21 and -4.38 kcal/mol, respectively. The MDS test revealed the average hydrogen bond of complex Sal-PI3K and Sal-AKT were 0.79 and 4.46, respectively. The results of LSPR verified the potential binding of Sal to proteins PI3K, AKT and HIF-1α with affinity values of 5.20 × 10 - 3, 2.83 × 10 - 3 and 3.97 × 10 - 3 KD, respectively. Western blot analysis further argued that Sal consolidated the levels of p-PI3K and p-AKT. Meanwhile, Sal could downregulate the proteins expression of p-JNK and p-p38. CONCLUSION Collectively, our findings suggested that Sal can intensify mitochondrial function of CoCl2-simulated hypoxia injury in HT22 cells by stimulating PI3K-AKT-MAPK signaling pathway. Sal is a potential agent for mitochondrial protection against hypoxia with the underlying molecular mechanisms of energy metabolism being further elucidated.
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Affiliation(s)
- Ya Hou
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Yating Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Shengnan Jiang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Na Xie
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Yi Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Xianli Meng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; State Key Laboratory of Southwestern Chinese Medicine Resources, Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Xiaobo Wang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
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Kuang G, Shu Z, Zhu C, Li H, Zhang C. The promoting effect of modified Dioscorea pills on vascular remodeling in chronic cerebral hypoperfusion via the Ang/Tie signaling pathway. Transl Neurosci 2023; 14:20220302. [PMID: 37635842 PMCID: PMC10448306 DOI: 10.1515/tnsci-2022-0302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 07/14/2023] [Accepted: 07/26/2023] [Indexed: 08/29/2023] Open
Abstract
Objective The objective of this study was to investigate the effect of modified Dioscorea pills (MDP) on microcirculatory remodeling in the hippocampus of rats with chronic cerebral hypoperfusion (CCH) through the angiopoietin (Ang)/tyrosine kinase receptor tyrosine kinase with immunoglobulin-like and EGF-like domains (Ang receptor) 2 (Tie-2) signaling pathways, which may underlie the cognitive improvement observed in CCH rats. Methods Forty male Sprague-Dawley rats raised under specific pathogen-free conditions were randomly divided into three groups: control group (10 rats), model group (15 rats), and MDP group (15 rats). The rats in the model group and MDP group underwent bilateral common carotid artery occlusion using the 2-vessel occlusion (2-VO) method to induce CCH. Rats in the control group underwent the same surgical procedures as those in the model group, except for ligation and occlusion of the carotid arteries. After 1 week of 2-VO, rats in the MDP group were administered MDP condensed decoction intragastrically at a dose of 1 ml/100 g body weight (prepared by the Preparation Room of Hubei Provincial Hospital of Traditional Chinese Medicine) for 45 days, while rats in the other two groups received normal saline intragastrically with the same dose and duration as the MDP group. After the intervention, all rats were euthanized, and brain perfusion was performed to obtain the hippocampal tissue for analysis. Immunohistochemical staining for CD43 was performed to assess microvessel density (MVD); western blot and the reverse transcription-polymerase chain reaction (RT-PCR) were used to analyze the expression of proteins and genes in angiopoietin-1 (Ang-1), angiopoietin-2 (Ang-2), Tie-2, and vascular endothelial growth factor (VEGF) proteins and genes in the hippocampal tissue and compute the Ang-1/Ang-2 ratio. Results MDP treatment reduced neuronal loss and promoted restoration of the damaged hippocampal structure in CCH rats. The model group showed significantly higher MVD (14.93 ± 1.92) compared to the control group (5.78 ± 1.65) (P < 0.01), whereas MDP treatment further increased MVD (21.19 ± 2.62). Western blot and RT-PCR analysis revealed that CCH significantly increased the expression of Ang-1, Ang-2, Tie-2, and VEGF proteins and genes, while MDP treatment further significantly upregulated the expression of these proteins and genes. In addition, MDP significantly elevated the gene and protein expression of the Ang-1/Ang-2 ratio compared to the control group (P = 0.041, P = 0.029). Conclusion CCH induces microvascular neogenesis in the hippocampus, and MDP promotes angiogenesis and microcirculation remodeling in CCH rats via the Ang/Tie signaling pathway, which may be an important mechanism for its restorative effects on hippocampal perfusion and improvement of cognitive function in CCH rats.
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Affiliation(s)
- Guiying Kuang
- Neurological Department, Wuhan Red Cross Hospital, Wuhan, Hubei Province, 436015, China
| | - Zhigang Shu
- Neurological Department, Ezhou Central Hospital, Ezhou, Hubei Province, 436000, China
| | - Chunli Zhu
- Neurological Department, Wuhan Red Cross Hospital, Wuhan, Hubei Province, 436015, China
| | - Hongbing Li
- Emergency Department, The First People’s Hospital of Guiyang, Guiyang, Guizhou Province, 550002, China
| | - Cheng Zhang
- Emergency Department, The First People’s Hospital of Guiyang, Guiyang, Guizhou Province, 550002, China
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Hou F, Liu H, Gong Q, Xu H. Network pharmacology of Huatan Tongluo decoction and clinical effects of its combination with acupuncture in the treatment of stroke. Am J Transl Res 2022; 14:8215-8224. [PMID: 36505343 PMCID: PMC9730069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 11/09/2022] [Indexed: 12/15/2022]
Abstract
OBJECTIVE This study was carried out to probe the clinical effect and mechanism of Huatan Tongluo decoction combined with acupuncture in the treatment of patients with ischemic stroke. METHODS The clinical data of 100 patients with ischemic stroke were retrospectively collected. On the basis of treatment method, they were split into two groups, each with 50 cases: the conventional treatment group (acupuncture) and the combined treatment group (Huatan Tongluo decoction + acupuncture). After treatment, the neurological function and clinical therapeutic effects of the two groups were evaluated. The treatment of ischemic stroke with Huatan Tongluo decoction was studied by the method of traditional Chinese medicine (TCM) network pharmacology. Resources from databases such as GeneCards, TCMSP, PubChem, Swiss Target Prediction, String, and WebGestalt were integrated, in order to screen for targets of stroke treatment, the active compound composition of Huatan Tongluo decoction, and the targets of compound composition by the use of Cytoscape and R language software. Finally, from the perspective of a protein-protein interaction (PPI) co-expression network, Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis, the significance of Huatan Tongluo decoction in the treatment of ischemic stroke was discussed. RESULTS The total effectiveness rate in the combined treatment group was superior to the conventional treatment group. The combined group had higher scores of neurological function, limb movement function, and ability to perform daily living tasks than the conventional treatment group (all P < 0.05). 368 pharmacological targets for Huatan Tongluo decoction and a total of 5690 ischemic stroke targets were retrieved from the database, and 215 intersection targets were found. The results of the PPI network indicated that 43 targets, including EGFR (epidermal growth factor receptor), SRC (proto-oncogene, non-receptor tyrosine kinase), PTPN11 (protein tyrosine phosphatase non-receptor type 11), PIK3CA (phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha), AKT1 (serine/threonine kinase 1), VEGFA (vascular endothelial growth factor A), STAT3 (signal transducer and activator of transcription 3), and FYN (FYN proto-oncogene, Src family tyrosine kinase), had the strongest interactions, so they could be used as targets for subsequent basic research verification. The results suggested that pathways such as vascular endothelial growth factor (VEGF) signaling pathway and other pathways were enriched. CONCLUSION The combination of Huatan Tongluo decoction and acupuncture can help patients with sequelae of stroke promote the regaining of neurological function, thus improving their movement and enhancing their abilities to perform daily living. Huatan Tongluo decoction can mediate the VEGF signaling pathway and other pathways to treat ischemic stroke.
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Zhou SY, Guo ZN, Zhang DH, Qu Y, Jin H. The Role of Pericytes in Ischemic Stroke: Fom Cellular Functions to Therapeutic Targets. Front Mol Neurosci 2022; 15:866700. [PMID: 35493333 PMCID: PMC9043812 DOI: 10.3389/fnmol.2022.866700] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 03/18/2022] [Indexed: 12/25/2022] Open
Abstract
Ischemic stroke (IS) is a cerebrovascular disease causing high rates of disability and fatality. In recent years, the concept of the neurovascular unit (NVU) has been accepted by an increasing number of researchers and is expected to become a new paradigm for exploring the pathogenesis and treatment of IS. NVUs are composed of neurons, endothelial cells, pericytes, astrocytes, microglia, and the extracellular matrix. As an important part of the NVU, pericytes provide support for other cellular components and perform a variety of functions, including participating in the maintenance of the normal physiological function of the blood–brain barrier, regulating blood flow, and playing a role in inflammation, angiogenesis, and neurogenesis. Therefore, treatment strategies targeting pericyte functions, regulating pericyte epigenetics, and transplanting pericytes warrant exploration. In this review, we describe the reactions of pericytes after IS, summarize the potential therapeutic targets and strategies targeting pericytes for IS, and provide new treatment ideas for ischemic stroke.
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Affiliation(s)
- Sheng-Yu Zhou
- Department of Neurology, Stroke Center, The First Hospital of Jilin University, Changchun, China
| | - Zhen-Ni Guo
- Clinical Trial and Research Center for Stroke, Department of Neurology, The First Hospital of Jilin University, Changchun, China
| | - Dian-Hui Zhang
- Department of Neurology, Stroke Center, The First Hospital of Jilin University, Changchun, China
| | - Yang Qu
- Department of Neurology, Stroke Center, The First Hospital of Jilin University, Changchun, China
| | - Hang Jin
- Department of Neurology, Stroke Center, The First Hospital of Jilin University, Changchun, China
- *Correspondence: Hang Jin,
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