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Li H, Guan M, Zhang NN, Wang Y, Liang T, Wu H, Wang C, Sun T, Liu S. Harnessing nanomedicine for modulating microglial states in the central nervous system disorders: Challenges and opportunities. Biomed Pharmacother 2024; 177:117011. [PMID: 38917758 DOI: 10.1016/j.biopha.2024.117011] [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: 03/12/2024] [Revised: 05/30/2024] [Accepted: 06/17/2024] [Indexed: 06/27/2024] Open
Abstract
Microglia are essential for maintaining homeostasis and responding to pathological events in the central nervous system (CNS). Their dynamic and multidimensional states in different environments are pivotal factors in various CNS disorders. However, therapeutic modulation of microglial states is challenging due to the intricate balance these cells maintain in the CNS environment and the blood-brain barrier's restriction of drug delivery. Nanomedicine presents a promising avenue for addressing these challenges, offering a method for the targeted and efficient modulation of microglial states. This review covers the challenges faced in microglial therapeutic modulation and potential use of nanoparticle-based drug delivery systems. We provide an in-depth examination of nanoparticle applications for modulating microglial states in a range of CNS disorders, encompassing neurodegenerative and autoimmune diseases, infections, traumatic injuries, stroke, tumors, chronic pain, and psychiatric conditions. This review highlights the recent advancements and future prospects in nanomedicine for microglial modulation, paving the way for future research and clinical applications of therapeutic interventions in CNS disorders.
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Affiliation(s)
- Haisong Li
- Cancer Center, The First Hospital, Jilin University, Changchun, Jilin, China; Department of Neurosurgery, The First Hospital, Jilin University, Changchun, Jilin, China
| | - Meng Guan
- Cancer Center, The First Hospital, Jilin University, Changchun, Jilin, China; Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Institute of Immunology, The First Hospital, Jilin University, Changchun, Jilin, China; National-local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun, Jilin, China
| | - Ning-Ning Zhang
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, Jilin, China
| | - Yizhuo Wang
- Cancer Center, The First Hospital, Jilin University, Changchun, Jilin, China
| | - Tingting Liang
- Cancer Center, The First Hospital, Jilin University, Changchun, Jilin, China
| | - Haitao Wu
- Cancer Center, The First Hospital, Jilin University, Changchun, Jilin, China
| | - Chang Wang
- Cancer Center, The First Hospital, Jilin University, Changchun, Jilin, China.
| | - Tianmeng Sun
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Institute of Immunology, The First Hospital, Jilin University, Changchun, Jilin, China; National-local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun, Jilin, China; International Center of Future Science, Jilin University, Changchun, Jilin, China; State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, Jilin, China.
| | - Shuhan Liu
- Cancer Center, The First Hospital, Jilin University, Changchun, Jilin, China; Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Institute of Immunology, The First Hospital, Jilin University, Changchun, Jilin, China; National-local Joint Engineering Laboratory of Animal Models for Human Diseases, Changchun, Jilin, China.
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Keshavarz Shahbaz S, Koushki K, Keshavarz Hedayati S, McCloskey AP, Kesharwani P, Naderi Y, Sahebkar A. Polymer nanotherapeutics: A promising approach toward microglial inhibition in neurodegenerative diseases. Med Res Rev 2024. [PMID: 39031446 DOI: 10.1002/med.22064] [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: 04/13/2022] [Revised: 01/30/2024] [Accepted: 07/01/2024] [Indexed: 07/22/2024]
Abstract
Nanoparticles (NPs) that target multiple transport mechanisms facilitate targeted delivery of active therapeutic agents to the central nervous system (CNS) and improve therapeutic transport and efficacy across the blood-brain barrier (BBB). CNS nanotherapeutics mostly target neurons and endothelial cells, however, microglial immune cells are the first line of defense against neuronal damage and brain infections. Through triggering release of inflammatory cytokines, chemokines and proteases, microglia can however precipitate neurological damage-a significant factor in neurodegenerative diseases. Thus, microglial inhibitory agents are attracting much attention among those researching and developing novel treatments for neurodegenerative disorders. The most established inhibitors of microglia investigated to date are resveratrol, curcumin, quercetin, and minocycline. Thus, there is great interest in developing novel agents that can bypass or easily cross the BBB. One such approach is the use of modified-nanocarriers as, or for, delivery of, therapeutic agents to the brain and wider CNS. For microglial inhibition, polymeric NPs are the preferred vehicles for choice. Here, we summarize the immunologic and neuroinflammatory role of microglia, established microglia inhibitor agents, challenges of CNS drug delivery, and the nanotherapeutics explored for microglia inhibition to date. We also discuss applications of the currently considered "most useful" polymeric NPs for microglial-inhibitor drug delivery in CNS-related diseases.
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Affiliation(s)
- Sanaz Keshavarz Shahbaz
- Cellular and Molecular Research Center, Research Institute for prevention of Non-Communicable Disease, Qazvin University of Medical Sciences, Qazvin, Iran
- USERN Office, Qazvin University of Medical Science, Qazvin, Iran
| | - Khadije Koushki
- Department of Neurosurgery, University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | | | - Alice P McCloskey
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, UK
| | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Yazdan Naderi
- Department of Pharmacology, Faculty of Medicine, Qazvin University of Medical Science, Qazvin, Iran
| | - Amirhossein Sahebkar
- Center for Global Health Research, Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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Waghode P, Quadir SS, Choudhary D, Sharma S, Joshi G. Small interfering RNA (siRNA) as a potential gene silencing strategy for diabetes and associated complications: challenges and future perspectives. J Diabetes Metab Disord 2024; 23:365-383. [PMID: 38932822 PMCID: PMC11196550 DOI: 10.1007/s40200-024-01405-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 02/17/2024] [Indexed: 06/28/2024]
Abstract
Objective This article critically reviews the recent search on the use of Small Interfering RNA (siRNA) in the process of gene regulation that has been harnessed to silence specific genes in various cell types, including those involved in diabetes complications. Significance Diabetes, a prevalent and severe condition, poses life-threatening risks due to elevated blood glucose levels. It results from inadequate insulin production by the pancreas or ineffective insulin utilization by the body. Recent research suggests siRNA could hold promise in addressing diabetes complications. Methods In this review, we discussed several subjects, including diabetes; its function, and common treatment options. An in-depth analysis of gene silencing method for siRNA and role of siRNA in diabetes, focusing on its impact on glucose homeostasis, diabetic retinopathy, wound healing, diabetic nephropathy and peripheral neuropathy, diabetic foot ulcers, diabetic atherosclerosis, and diabetic cardiomyopathy. Result siRNA-based treatment has the potential to target specific genes without disrupting several other endogenous pathways, which decreases the risk of off-target effects. In addition, siRNA has the capability to provide long-term efficacy with a single dose which will reduce treatment options and enhance patient compliance. Conclusion In the context of diabetic complications, siRNA has been explored as a potential therapeutic tool to modulate the expression of genes involved in various processes associated with diabetes-related issues such as Diabetic Retinopathy, Neuropathy, Nephropathy, wound healing. The use of siRNA in these contexts is still largely experimental, and challenges such as delivery to specific tissues, potential off-target effects, and long-term safety need to be addressed. Additionally, the development of siRNA-based therapies for clinical use in diabetic complications is an active area of research. Supplementary Information The online version contains supplementary material available at 10.1007/s40200-024-01405-7.
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Affiliation(s)
- Pranali Waghode
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM’s NMIMS, deemed to be University, Vile Parle West, 400056 Mumbai, Maharashtra India
| | - Sheikh Shahnawaz Quadir
- Department of Pharmaceutical Sciences, Mohanlal Sukhadia University, 313001 Udaipur, Rajasthan India
| | - Deepak Choudhary
- Department of Pharmaceutical Sciences, Mohanlal Sukhadia University, 313001 Udaipur, Rajasthan India
| | - Sanjay Sharma
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM’s NMIMS, deemed to be University, Vile Parle West, 400056 Mumbai, Maharashtra India
| | - Garima Joshi
- Department of Pharmaceutical Sciences, Mohanlal Sukhadia University, 313001 Udaipur, Rajasthan India
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Wang W, Yuan M, Xu Y, Yang J, Wang X, Zhou Y, Yu Z, Lu Z, Wang Y, Hu C, Bai Q, Li Z. Prokineticin-2 Participates in Chronic Constriction Injury-Triggered Neuropathic Pain and Anxiety via Regulated by NF-κB in Nucleus Accumbens Shell in Rats. Mol Neurobiol 2024; 61:2764-2783. [PMID: 37934398 DOI: 10.1007/s12035-023-03680-6] [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: 12/05/2022] [Accepted: 09/27/2023] [Indexed: 11/08/2023]
Abstract
Neuropathic pain (NP) is an intractable pain that results from primary nervous system injury and dysfunction. Herein, we demonstrated in animal models that peripheral nerve injury induced enhanced pain perception and anxiety-like behaviors. According to previous reports, nucleus accumbens (NAc) shell is required for complete expression of neuropathic pain behaviors and mood alternations, we found the elevated mRNA and protein level of Prokineticin-2 (Prok2) in the NAc shell after Chronic Constriction Injury (CCI). Prok2 knockdown in the NAc shell reversed NP and anxiety-like behaviors in rats, indicating that Prok2 might play a fundamental role in NP and anxiety co-morbidity. CCI significantly enhanced Prok2 co-expression with NF-κB P-p65 in comparison with control animals. In addition to reversing the established nociceptive hypersensitivities and anxiety simultaneously, NAc microinjection of NF-κB siRNA or specific inhibitor PDTC reversed Prok2 upregulation. Besides, Prok2 was significantly decreased in vitro when co-transfected with si-NF-κB. Dual-Luciferase assay showed NF-κB directly activated Prok2 gene transcriptional activity. Overall, these findings provide new insights into the neurobiological mechanisms behind NP and comorbid anxiety. The NF-κB/Prok2 pathway could be a potential therapeutic target for NP and anxiety disorders.
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Affiliation(s)
- Wenting Wang
- Department of Anesthesiology and Perioperative Medicine, Second Affiliated Hospital of Zhengzhou University, No.2, Jingba Road, Jinshui District, Zhengzhou, Henan, China
| | - Meng Yuan
- Department of Anesthesiology and Perioperative Medicine, Second Affiliated Hospital of Zhengzhou University, No.2, Jingba Road, Jinshui District, Zhengzhou, Henan, China
| | - Yaowei Xu
- Department of Anesthesiology, Pain and Perioperative Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Institute of Neuroscience, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Jingjie Yang
- Department of Anesthesiology and Perioperative Medicine, Second Affiliated Hospital of Zhengzhou University, No.2, Jingba Road, Jinshui District, Zhengzhou, Henan, China
| | - Xiaoling Wang
- Department of Anesthesiology and Perioperative Medicine, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, China
| | - Yifan Zhou
- Department of Anesthesiology and Perioperative Medicine, Second Affiliated Hospital of Zhengzhou University, No.2, Jingba Road, Jinshui District, Zhengzhou, Henan, China
| | - Zhixiang Yu
- Department of Anesthesiology and Perioperative Medicine, Second Affiliated Hospital of Zhengzhou University, No.2, Jingba Road, Jinshui District, Zhengzhou, Henan, China
| | - Zhongyuan Lu
- Department of Anesthesiology, Pain and Perioperative Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yiming Wang
- Department of Anesthesiology and Perioperative Medicine, Second Affiliated Hospital of Zhengzhou University, No.2, Jingba Road, Jinshui District, Zhengzhou, Henan, China
| | - Chenge Hu
- Department of Anesthesiology and Perioperative Medicine, Second Affiliated Hospital of Zhengzhou University, No.2, Jingba Road, Jinshui District, Zhengzhou, Henan, China
- Institute of Neuroscience, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Qian Bai
- Department of Anesthesiology and Perioperative Medicine, Second Affiliated Hospital of Zhengzhou University, No.2, Jingba Road, Jinshui District, Zhengzhou, Henan, China.
| | - Zhisong Li
- Department of Anesthesiology and Perioperative Medicine, Second Affiliated Hospital of Zhengzhou University, No.2, Jingba Road, Jinshui District, Zhengzhou, Henan, China.
- Institute of Neuroscience, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China.
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Shin HJ, Kim IS, Choi SG, Lee K, Park H, Shin J, Kim D, Beom J, Yi YY, Gupta DP, Song GJ, Chung WS, Lee CJ, Kim DW. Rejuvenating aged microglia by p16 ink4a-siRNA-loaded nanoparticles increases amyloid-β clearance in animal models of Alzheimer's disease. Mol Neurodegener 2024; 19:25. [PMID: 38493185 PMCID: PMC10943801 DOI: 10.1186/s13024-024-00715-x] [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: 09/25/2023] [Accepted: 02/27/2024] [Indexed: 03/18/2024] Open
Abstract
Age-dependent accumulation of amyloid plaques in patients with sporadic Alzheimer's disease (AD) is associated with reduced amyloid clearance. Older microglia have a reduced ability to phagocytose amyloid, so phagocytosis of amyloid plaques by microglia could be regulated to prevent amyloid accumulation. Furthermore, considering the aging-related disruption of cell cycle machinery in old microglia, we hypothesize that regulating their cell cycle could rejuvenate them and enhance their ability to promote more efficient amyloid clearance. First, we used gene ontology analysis of microglia from young and old mice to identify differential expression of cyclin-dependent kinase inhibitor 2A (p16ink4a), a cell cycle factor related to aging. We found that p16ink4a expression was increased in microglia near amyloid plaques in brain tissue from patients with AD and 5XFAD mice, a model of AD. In BV2 microglia, small interfering RNA (siRNA)-mediated p16ink4a downregulation transformed microglia with enhanced amyloid phagocytic capacity through regulated the cell cycle and increased cell proliferation. To regulate microglial phagocytosis by gene transduction, we used poly (D,L-lactic-co-glycolic acid) (PLGA) nanoparticles, which predominantly target microglia, to deliver the siRNA and to control microglial reactivity. Nanoparticle-based delivery of p16ink4a siRNA reduced amyloid plaque formation and the number of aged microglia surrounding the plaque and reversed learning deterioration and spatial memory deficits. We propose that downregulation of p16ink4a in microglia is a promising strategy for the treatment of Alzheimer's disease.
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Affiliation(s)
- Hyo Jung Shin
- Department of Anatomy and Cell Biology, Chungnam National University College of Medicine, Daejeon, Republic of Korea
- Brain Research Institute, Chungnam National University College of Medicine, Daejeon, Republic of Korea
| | - In Soo Kim
- Department of Medical Science, Chungnam National University College of Medicine, Daejeon, Republic of Korea
- Department of Pharmacology, Chungnam National University College of Medicine, Daejeon, Republic of Korea
| | - Seung Gyu Choi
- Department of Anatomy and Cell Biology, Chungnam National University College of Medicine, Daejeon, Republic of Korea
- Brain Research Institute, Chungnam National University College of Medicine, Daejeon, Republic of Korea
| | - Kayoung Lee
- Department of Anatomy and Cell Biology, Chungnam National University College of Medicine, Daejeon, Republic of Korea
- Department of Medical Science, Chungnam National University College of Medicine, Daejeon, Republic of Korea
- Department of Rehabilitation Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Hyewon Park
- Department of Anatomy and Cell Biology, Chungnam National University College of Medicine, Daejeon, Republic of Korea
- Department of Medical Science, Chungnam National University College of Medicine, Daejeon, Republic of Korea
| | - Juhee Shin
- Department of Anatomy and Cell Biology, Chungnam National University College of Medicine, Daejeon, Republic of Korea
- Department of Medical Science, Chungnam National University College of Medicine, Daejeon, Republic of Korea
| | - Dayoung Kim
- Department of Anatomy and Cell Biology, Chungnam National University College of Medicine, Daejeon, Republic of Korea
| | - Jaewon Beom
- Department of Rehabilitation Medicine, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Yoon Young Yi
- Department of Pediatrics, College of Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Republic of Korea
| | - Deepak Prasad Gupta
- Department of Medicine, College of Medicine, Catholic Kwandong University, Gangneung, Gangwon-Do, Republic of Korea
| | - Gyun Jee Song
- Department of Medicine, College of Medicine, Catholic Kwandong University, Gangneung, Gangwon-Do, Republic of Korea
- Translational Brain Research Center, International St. Mary's Hospital, Catholic Kwandong University, Incheon, Republic of Korea
| | - Won-Suk Chung
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
| | - C Justin Lee
- Center for Glia-Neuron Interaction, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
- Center for Cognition and Sociality, Institute for Basic Science, Daejeon, Republic of Korea
| | - Dong Woon Kim
- Department of Anatomy and Cell Biology, Chungnam National University College of Medicine, Daejeon, Republic of Korea.
- Brain Research Institute, Chungnam National University College of Medicine, Daejeon, Republic of Korea.
- Department of Medical Science, Chungnam National University College of Medicine, Daejeon, Republic of Korea.
- Department of Oral Anatomy and Developmental Biology, College of Dentistry Kyung Hee University, Seoul, Republic of Korea.
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Zhao L, Tao X, Wang Q, Yu X, Dong D. Diosmetin alleviates neuropathic pain by regulating the Keap1/Nrf2/NF-κB signaling pathway. Biomed Pharmacother 2024; 170:116067. [PMID: 38150877 DOI: 10.1016/j.biopha.2023.116067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 12/17/2023] [Accepted: 12/21/2023] [Indexed: 12/29/2023] Open
Abstract
BACKGROUND Neuropathic pain, a chronic condition with a high incidence, imposes psychological burdens on both patients and society. It is urgent to improve pain management and develop new analgesic drugs. Traditional Chinese medicine has gained popularity as a method for pain relief. Diosmetin (Dio) is mainly found in Chinese herbal medicines with effective antioxidant, anti-cancer, and anti-inflammatory properties. There are few known mechanisms underlying the effectiveness of Dio in treating neuropathic pain. However, the complete understanding of its therapeutic effect is missing. PURPOSE This study aimed to evaluate Dio's therapeutic effects on neuropathic pain models and determine its possible mechanism of action. We hypothesized that Dio may activate antioxidants and reduce inflammation, inhibit the activation of Kelch-like epichlorohydrin-associated protein 1 (Keap1) and nuclear factor-k-gene binding (NF-κB), promote the metastasis of nuclear factor erythroid 2-related factor 2 (Nrf2) and the expression of heme oxygenase 1 (HO-1), thus alleviating the neuropathic pain caused by spinal nerve ligation. METHODS Chronic nociceptive pain mouse models were established in vivo by L4 spinal nerve ligation (SNL). Different dosages of Dio (10, 50, 100 mg/kg) were intragastrically administered daily from the third day after the establishment of the SNL model. Allodynia, caused by mechanical stimuli, and hyperalgesia, caused by heat, were assessed using the paw withdrawal response frequency (PWF) and paw withdrawal latency (PWL), respectively. Cold allodynia were assessd by acetone test. RT-PCR was used to detect the content of interleukin-(IL)- 1β, IL-6 and tumor necrosis factor (TNF)-a. Immunofluorescence and western blotting were employed to assess the expression levels of Glial fibrillary acidic protein (GFAP), ionized calcium-binding adapter molecule (Iba1), Keap1, Nrf2, HO-1, and NF-κB p-p65 protein. RESULTS Dio administration relieved SNL-induced transient mechanical and thermal allodynia in mice. The protective effect of Dio in the SNL model was associated with its anti-inflammatory and anti-glial responses in the spinal cord. Dio inhibited both inflammatory factors and macrophage activation in the DRG. Furthermore, Dio regulated the Keap1/Nrf2/NF-κB signaling pathway. HO-1 and Nrf2 were upregulated following Dio administration, which also decreased the levels of Keap1 and NF-κB p65 protein. CONCLUSION Mice with SNL-induced neuropathic pain were therapeutically treated with Dio. Dio may protect against pain by inhibiting inflammatory responses and improved Keap1/Nrf2/NF-κB pathway. These results highlight the potential therapeutic effect of Dio for the development of new analgesic drugs.
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Affiliation(s)
- Lin Zhao
- Department of Pain, The First Hospital of China Medical University, Shenyang 110001, People's Republic of China
| | - Xueshu Tao
- Department of Pain, The First Hospital of China Medical University, Shenyang 110001, People's Republic of China
| | - Qian Wang
- Medical Oncology, Department of Gastrointestinal Cancer, Liaoning Cancer Hospital and Institute, Shenyang 110001, People's Republic of China
| | - Xue Yu
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, Shenyang 110001, People's Republic of China
| | - Daosong Dong
- Department of Pain, The First Hospital of China Medical University, Shenyang 110001, People's Republic of China.
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Liu H, Tang T. MAPK signaling pathway-based glioma subtypes, machine-learning risk model, and key hub proteins identification. Sci Rep 2023; 13:19055. [PMID: 37925483 PMCID: PMC10625624 DOI: 10.1038/s41598-023-45774-0] [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: 04/24/2023] [Accepted: 10/24/2023] [Indexed: 11/06/2023] Open
Abstract
An early diagnosis and precise prognosis are critical for the treatment of glioma. The mitogen‑activated protein kinase (MAPK) signaling pathway potentially affects glioma, but the exploration of the clinical values of the pathway remains lacking. We accessed data from TCGA, GTEx, CGGA, etc. Up-regulated MAPK signaling pathway genes in glioma were identified and used to cluster the glioma subtypes using consensus clustering. The subtype differences in survival, cancer stemness, and the immune microenvironment were analyzed. A prognostic model was trained with the identified genes using the LASSO method and was validated with three external cohorts. The correlations between the risk model and cancer-associated signatures in cancer were analyzed. Key hub genes of the gene set were identified by hub gene analysis and survival analysis. 47% of the MAPK signaling pathway genes were overexpressed in glioma. Subtypes based on these genes were distinguished in survival, cancer stemness, and the immune microenvironment. A risk model was calculated with high confidence in the prediction of overall survival and was correlated with multiple cancer-associated signatures. 12 hub genes were identified and 8 of them were associated with survival. The MAPK signaling pathway was overexpressed in glioma with prognostic value.
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Affiliation(s)
- Hengrui Liu
- Xinkaiyuan Pharmaceuticals, Beijing, China
- Guangzhou Regenerative Medicine Research Center, Future Homo Sapiens Institute of Regenerative Medicine Co., Ltd (FHIR), Guangzhou, China
| | - Tao Tang
- Department of Molecular Diagnostics, Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangzhou, China.
- Collaborative Innovation Center for Cancer Medicine, Guangzhou, China.
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Saksena J, Hamilton AE, Gilbert RJ, Zuidema JM. Nanomaterial payload delivery to central nervous system glia for neural protection and repair. Front Cell Neurosci 2023; 17:1266019. [PMID: 37941607 PMCID: PMC10628439 DOI: 10.3389/fncel.2023.1266019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 10/06/2023] [Indexed: 11/10/2023] Open
Abstract
Central nervous system (CNS) glia, including astrocytes, microglia, and oligodendrocytes, play prominent roles in traumatic injury and degenerative disorders. Due to their importance, active pharmaceutical ingredients (APIs) are being developed to modulate CNS glia in order to improve outcomes in traumatic injury and disease. While many of these APIs show promise in vitro, the majority of APIs that are systemically delivered show little penetration through the blood-brain barrier (BBB) or blood-spinal cord barrier (BSCB) and into the CNS, rendering them ineffective. Novel nanomaterials are being developed to deliver APIs into the CNS to modulate glial responses and improve outcomes in injury and disease. Nanomaterials are attractive options as therapies for central nervous system protection and repair in degenerative disorders and traumatic injury due to their intrinsic capabilities in API delivery. Nanomaterials can improve API accumulation in the CNS by increasing permeation through the BBB of systemically delivered APIs, extending the timeline of API release, and interacting biophysically with CNS cell populations due to their mechanical properties and nanoscale architectures. In this review, we present the recent advances in the fields of both locally implanted nanomaterials and systemically administered nanoparticles developed for the delivery of APIs to the CNS that modulate glial activity as a strategy to improve outcomes in traumatic injury and disease. We identify current research gaps and discuss potential developments in the field that will continue to translate the use of glia-targeting nanomaterials to the clinic.
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Affiliation(s)
- Jayant Saksena
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY, United States
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, United States
- Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, Troy, NY, United States
| | - Adelle E. Hamilton
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY, United States
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, United States
| | - Ryan J. Gilbert
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY, United States
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, United States
- Albany Stratton Veterans Affairs Medical Center, Albany, NY, United States
| | - Jonathan M. Zuidema
- Department of Biochemistry and Molecular Pharmacology, Mario Negri Institute for Pharmacological Research IRCCS, Milan, Italy
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Ajeeb R, Clegg JR. Intrathecal delivery of Macromolecules: Clinical status and emerging technologies. Adv Drug Deliv Rev 2023; 199:114949. [PMID: 37286086 DOI: 10.1016/j.addr.2023.114949] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 05/31/2023] [Accepted: 06/03/2023] [Indexed: 06/09/2023]
Abstract
The proximity and association of cerebrospinal fluid (CSF) and the intrathecal (IT) space with deep targets in the central nervous system (CNS) parenchyma makes IT injection an attractive route of administration for brain drug delivery. However, the extent to which intrathecally administered macromolecules are effective in treating neurological diseases is a question of both clinical debate and technological interest. We present the biological, chemical, and physical properties of the intrathecal space that are relevant to drug absorption, distribution, metabolism, and elimination from CSF. We then analyze the evolution of IT drug delivery in clinical trials over the last 20 years. Our analysis revealed that the percentage of clinical trials assessing IT delivery for the delivery of biologics (i.e., macromolecules, cells) for treatment of chronic conditions (e.g., neurodegeneration, cancer, and metabolic diseases) has steadily increased. Clinical trials exploring cell or macromolecular delivery within the IT space have not evaluated engineering technologies, such as depots, particles, or other delivery systems. Recent pre-clinical studies have evaluated IT macromolecule delivery in small animals, postulating that delivery efficacy can be assisted by external medical devices, micro- or nanoparticles, bulk biomaterials, and viral vectors. Further studies are necessary to evaluate the extent to which engineering technologies and IT administration improve CNS targeting and therapeutic outcome.
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Affiliation(s)
- Rana Ajeeb
- Stephenson School of Biomedical Engineering, The University of Oklahoma, Norman, OK, United States
| | - John R Clegg
- Stephenson School of Biomedical Engineering, The University of Oklahoma, Norman, OK, United States; Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States; Harold Hamm Diabetes Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States; Institute for Biomedical Engineering, Science, and Technology, University of Oklahoma, Norman, OK, United States.
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Abosalha AK, Ahmad W, Boyajian J, Islam P, Ghebretatios M, Schaly S, Thareja R, Arora K, Prakash S. A comprehensive update of siRNA delivery design strategies for targeted and effective gene silencing in gene therapy and other applications. Expert Opin Drug Discov 2023; 18:149-161. [PMID: 36514963 DOI: 10.1080/17460441.2022.2155630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
INTRODUCTION RNA interference (RNAi) using small interfering RNA (siRNA) is a promising strategy to control many genetic disorders by targeting the mRNA of underlying genes and degrade it. However, the delivery of siRNA to targeted organs is highly restricted by several intracellular and extracellular barriers. AREAS COVERED This review discusses various design strategies developed to overcome siRNA delivery obstacles. The applied techniques involve chemical modification, bioconjugation to specific ligands, and carrier-mediated strategies. Nanotechnology-based systems like liposomes, niosomes, solid lipid nanoparticles (SLNs), dendrimers, and polymeric nanoparticles (PNs) are also discussed. EXPERT OPINION Although the mechanism of siRNA as a gene silencer is well-established, only a few products are available as therapeutics. There is a great need to develop and establish siRNA delivery systems that protects siRNAs and delivers them efficiently to the desired sitesare efficient and capable of targeted delivery. Several diseases are reported to be controlled by siRNA at their early stages. However, their targeted delivery is a daunting challenge.
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Affiliation(s)
- Ahmed Khaled Abosalha
- Biomedical Technology and Cell Therapy Research Laboratory, Department of Biomedical Engineering, Faculty of Medicine, McGill University H3A 2B4, Montreal, Quebec, Canada.,Pharmaceutical Technology department, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Waqar Ahmad
- Biomedical Technology and Cell Therapy Research Laboratory, Department of Biomedical Engineering, Faculty of Medicine, McGill University H3A 2B4, Montreal, Quebec, Canada
| | - Jacqueline Boyajian
- Biomedical Technology and Cell Therapy Research Laboratory, Department of Biomedical Engineering, Faculty of Medicine, McGill University H3A 2B4, Montreal, Quebec, Canada
| | - Paromita Islam
- Biomedical Technology and Cell Therapy Research Laboratory, Department of Biomedical Engineering, Faculty of Medicine, McGill University H3A 2B4, Montreal, Quebec, Canada
| | - Merry Ghebretatios
- Biomedical Technology and Cell Therapy Research Laboratory, Department of Biomedical Engineering, Faculty of Medicine, McGill University H3A 2B4, Montreal, Quebec, Canada
| | - Sabrina Schaly
- Biomedical Technology and Cell Therapy Research Laboratory, Department of Biomedical Engineering, Faculty of Medicine, McGill University H3A 2B4, Montreal, Quebec, Canada
| | - Rahul Thareja
- Biomedical Technology and Cell Therapy Research Laboratory, Department of Biomedical Engineering, Faculty of Medicine, McGill University H3A 2B4, Montreal, Quebec, Canada
| | - Karan Arora
- Biomedical Technology and Cell Therapy Research Laboratory, Department of Biomedical Engineering, Faculty of Medicine, McGill University H3A 2B4, Montreal, Quebec, Canada
| | - Satya Prakash
- Biomedical Technology and Cell Therapy Research Laboratory, Department of Biomedical Engineering, Faculty of Medicine, McGill University H3A 2B4, Montreal, Quebec, Canada
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Shin HJ, Lee KY, Kang JW, Choi SG, Kim DW, Yi YY. Perampanel Reduces Brain Damage via Induction of M2 Microglia in a Neonatal Rat Stroke Model. Int J Nanomedicine 2022; 17:2791-2804. [PMID: 35782016 PMCID: PMC9248959 DOI: 10.2147/ijn.s361377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Accepted: 06/18/2022] [Indexed: 11/29/2022] Open
Abstract
Purpose Ischemic stroke is a leading cause of death and disability worldwide. Additionally, neonatal ischemia is a common cause of neonatal brain injury, resulting in cerebral palsy with subsequent learning disabilities and epilepsy. However, there is currently a lack of effective treatments available for patients with perinatal ischemic stroke. In this study, we investigated the effect of perampanel (PER)-loaded poly lactic-co-glycolic acid (PLGA) by targeting microglia in perinatal stroke. Methods After formation of focal ischemic stroke by photothrombosis in P7 rats, PER-loaded PLGA was injected intrathecally. Proinflammatory markers (TNF-α, IL-1β, IL-6, COX2, and iNOS) and M2 polarization markers (Ym1 and Arg1) were evaluated. We investigated whether PER increased M2 microglial polarization in vitro. Results PER-loaded PLGA nanoparticles decreased the pro-inflammatory cytokines compared to the control group. Furthermore, they increased M2 polarization. Conclusion PER-loaded PLGA nanoparticles decreased the size of the infarct and increased motor function in a perinatal ischemic stroke rat model. Pro-inflammatory cytokines were also reduced compared to the control group. Finally, this development of a drug delivery system targeting microglia confirms the potential to develop new therapeutic agents for perinatal ischemic stroke.
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Affiliation(s)
- Hyo Jung Shin
- Department of Anatomy and Cell Biology, Chungnam National University, Daejeon, Republic of Korea
- Brain Research Institute, Chungnam National University, Daejeon, Republic of Korea
| | - Ka Young Lee
- Department of Anatomy and Cell Biology, Chungnam National University, Daejeon, Republic of Korea
- Department of Rehabilitation Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Joon Won Kang
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea
- Department of Pediatrics, Chungnam National Hospital, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Seung Gyu Choi
- Department of Anatomy and Cell Biology, Chungnam National University, Daejeon, Republic of Korea
- Department of Pediatrics, Chungnam National Hospital, School of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Dong Woon Kim
- Department of Anatomy and Cell Biology, Chungnam National University, Daejeon, Republic of Korea
- Brain Research Institute, Chungnam National University, Daejeon, Republic of Korea
- Department of Medical Science, Chungnam National University, Daejeon, Republic of Korea
- Correspondence: Dong Woon Kim; Yoon Young Yi, Tel +82-42-580-8207; +82-2-2224-2251, Email ;
| | - Yoon Young Yi
- Department of Pediatrics, College of Medicine, Hallym University and Gangdong Sacred Heart Hospital, Seoul, Republic of Korea
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Irfan J, Febrianto MR, Sharma A, Rose T, Mahmudzade Y, Di Giovanni S, Nagy I, Torres-Perez JV. DNA Methylation and Non-Coding RNAs during Tissue-Injury Associated Pain. Int J Mol Sci 2022; 23:ijms23020752. [PMID: 35054943 PMCID: PMC8775747 DOI: 10.3390/ijms23020752] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/04/2022] [Accepted: 01/07/2022] [Indexed: 02/01/2023] Open
Abstract
While about half of the population experience persistent pain associated with tissue damages during their lifetime, current symptom-based approaches often fail to reduce such pain to a satisfactory level. To provide better patient care, mechanism-based analgesic approaches must be developed, which necessitates a comprehensive understanding of the nociceptive mechanism leading to tissue injury-associated persistent pain. Epigenetic events leading the altered transcription in the nervous system are pivotal in the maintenance of pain in tissue injury. However, the mechanisms through which those events contribute to the persistence of pain are not fully understood. This review provides a summary and critical evaluation of two epigenetic mechanisms, DNA methylation and non-coding RNA expression, on transcriptional modulation in nociceptive pathways during the development of tissue injury-associated pain. We assess the pre-clinical data and their translational implication and evaluate the potential of controlling DNA methylation and non-coding RNA expression as novel analgesic approaches and/or biomarkers of persistent pain.
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Affiliation(s)
- Jahanzaib Irfan
- Nociception Group, Department of Surgery and Cancer, Division of Anaesthetics, Pain Medicine and Intensive Care, Chelsea and Westminster Hospital Campus, Imperial College London, 369 Fulham Road, London SW10 9FJ, UK; (J.I.); (M.R.F.); (A.S.); (T.R.); (Y.M.)
| | - Muhammad Rizki Febrianto
- Nociception Group, Department of Surgery and Cancer, Division of Anaesthetics, Pain Medicine and Intensive Care, Chelsea and Westminster Hospital Campus, Imperial College London, 369 Fulham Road, London SW10 9FJ, UK; (J.I.); (M.R.F.); (A.S.); (T.R.); (Y.M.)
| | - Anju Sharma
- Nociception Group, Department of Surgery and Cancer, Division of Anaesthetics, Pain Medicine and Intensive Care, Chelsea and Westminster Hospital Campus, Imperial College London, 369 Fulham Road, London SW10 9FJ, UK; (J.I.); (M.R.F.); (A.S.); (T.R.); (Y.M.)
| | - Thomas Rose
- Nociception Group, Department of Surgery and Cancer, Division of Anaesthetics, Pain Medicine and Intensive Care, Chelsea and Westminster Hospital Campus, Imperial College London, 369 Fulham Road, London SW10 9FJ, UK; (J.I.); (M.R.F.); (A.S.); (T.R.); (Y.M.)
| | - Yasamin Mahmudzade
- Nociception Group, Department of Surgery and Cancer, Division of Anaesthetics, Pain Medicine and Intensive Care, Chelsea and Westminster Hospital Campus, Imperial College London, 369 Fulham Road, London SW10 9FJ, UK; (J.I.); (M.R.F.); (A.S.); (T.R.); (Y.M.)
| | - Simone Di Giovanni
- Department of Brain Sciences, Division of Neuroscience, Imperial College London, E505, Burlington Danes, Du Cane Road, London W12 ONN, UK;
| | - Istvan Nagy
- Nociception Group, Department of Surgery and Cancer, Division of Anaesthetics, Pain Medicine and Intensive Care, Chelsea and Westminster Hospital Campus, Imperial College London, 369 Fulham Road, London SW10 9FJ, UK; (J.I.); (M.R.F.); (A.S.); (T.R.); (Y.M.)
- Correspondence: (I.N.); (J.V.T.-P.)
| | - Jose Vicente Torres-Perez
- Department of Brain Sciences, Dementia Research Institute, Imperial College London, 86 Wood Ln, London W12 0BZ, UK
- Departament de Biologia Cellular, Biologia Funcional i Antropologia Física, Facultat de Ciències Biològiques, Universitat de València, C/Dr. Moliner 50, 46100 Burjassot, Spain
- Correspondence: (I.N.); (J.V.T.-P.)
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The potential value of amlexanox in the treatment of cancer: Molecular targets and therapeutic perspectives. Biochem Pharmacol 2021; 197:114895. [PMID: 34968491 DOI: 10.1016/j.bcp.2021.114895] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 12/15/2021] [Accepted: 12/16/2021] [Indexed: 02/06/2023]
Abstract
Amlexanox (AMX) is an azoxanthone drug used for decades for the treatment of mouth aphthous ulcers and now considered for the treatment of diabetes and obesity. The drug is usually viewed as a dual inhibitor of the non-canonical IκB kinases IKK-ɛ (inhibitor-kappaB kinase epsilon) and TBK1 (TANK-binding kinase 1). But a detailed target profile analysis indicated that AMX binds directly to twelve protein targets, including different enzymes (IKK-ɛ, TBK1, GRK1, GRK5, PDE4B, 5- and 12-lipoxygenases) and non-enzyme proteins (FGF-1, HSP90, S100A4, S100A12, S100A13). AMX has been demonstrated to have marked anticancer effects in multiple models of xenografted tumors in mice, including breast, colon, lung and gastric cancers and in onco-hematological models. The anticancer potency is generally modest but largely enhanced upon combination with cytotoxic (temozolide, docetaxel), targeted (selumetinib) or biotherapeutic agents (anti-PD-1 and anti-CTLA4 antibodies). The multiple targets participate in the anticancer effects, chiefly IKK-ɛ/TBK1 but also S100A proteins and PDE4B. The review presents the molecular basis of the antitumor effects of AMX. The capacity of the drug to block nonsense-mediated mRNA decay (NMD) is also discussed, as well as AMX-induced reduction of cancer-related pain. Altogether, the analysis provides a survey of the anticancer action of AMX, with the implicated protein targets. The use of this well-tolerated drug to treat cancer should be further considered and the design of newer analogues encouraged.
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