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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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2
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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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Aljohani NB, Qusti SY, Alsiny M, Aljoud F, Aljohani NB, Alsolami ES, Alamry KA, Hussein MA. Carboxymethylcellulose encapsulated fingolimod, siRNA@ZnO hybrid nanocomposite as a new anti-Alzheimer's material. RSC Adv 2024; 14:22044-22055. [PMID: 39006767 PMCID: PMC11240087 DOI: 10.1039/d4ra01965b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Accepted: 06/17/2024] [Indexed: 07/16/2024] Open
Abstract
Alzheimer's disease (AD) is a fatal neurological disorder that causes cognitive and memory function to deteriorate. A critical pathogenic event that speeds up the development of AD is the interaction between dysfunctional microglia and amyloid-β (Aβ). We have developed a hybrid nanocomposite material to treat AD by normalizing the dysfunctional microglia. The material is based on carboxymethylcellulose (CMC) encapsulated fingolimod, siRNA, and zinc oxide (ZnO) with variable loading (CMC-Fi-siRNA@ZnO a-d ). The material was characterized using different techniques including FTIR, XRD, thermal analysis, SEM with EDX, and TEM micrographs. The chemical structure was confirmed by FTIR and XRD analyses, which indicated the successful integration of ZnO nanoparticles (NPs) into the polymer matrix, signifying a well-formed composite structure. The thermal stability order at 10% weight loss was CMC-Fi-siRNA@ZnO c > CMC-Fi-siRNA@ZnO b > CMC-Fi-siRNA@ZnO d > CMC-Fi-siRNA@ZnO a . The CMC-Fi-siRNA@ZnO d dramatically alleviates the priming of microglia by lowering the level of proinflammatory mediators and increasing the secretion of BDNF. This considerably improves the phagocytosis of Aβ. In the cell viability test in immortalized microglia cells (IMG), the hybrid nanocomposite (NP) exhibited no significant effect on cell survival after 48 hours of incubation. The NP also decreased the cytotoxicity caused by Aβ. Therefore, the CMC-hybrid NP has high potential as a drug delivery system in the development of therapeutic strategies for AD.
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Affiliation(s)
- Nuha B Aljohani
- Biochemistry Department, Faculty of Science, King Abdul Aziz University Jeddah 21589 Kingdom of Saudi Arabia
- Biochemistry Department, Faculty of Science, University of Tabuk Tabuk Kingdom of Saudi Arabia
| | - Safaa Y Qusti
- Biochemistry Department, Faculty of Science, King Abdul Aziz University Jeddah 21589 Kingdom of Saudi Arabia
| | - Madeeha Alsiny
- Biochemistry Department, Faculty of Science, King Abdul Aziz University Jeddah 21589 Kingdom of Saudi Arabia
| | - Fadwa Aljoud
- Regenerative Medicine Unit, King Fahd Medical Research Centre, King Abdul Aziz University Jeddah 21589 Saudi Arabia
| | | | - Eman S Alsolami
- Chemistry Department, Faculty of Science, King Abdulaziz University P.O. Box 80203 Jeddah 21589 Saudi Arabia
| | - Khalid A Alamry
- Chemistry Department, Faculty of Science, King Abdulaziz University P.O. Box 80203 Jeddah 21589 Saudi Arabia
| | - Mahmoud A Hussein
- Chemistry Department, Faculty of Science, King Abdulaziz University P.O. Box 80203 Jeddah 21589 Saudi Arabia
- Chemistry Department, Faculty of Science, Assiut University Assiut 71516 Egypt
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Wang C, Song X, Li P, Sun S, Su J, Liu S, Wei W. Multifunctional Nanocarrier for Synergistic Treatment of Alzheimer's Disease by Inhibiting β-Amyloid Aggregation and Scavenging Reactive Oxygen Species. ACS APPLIED MATERIALS & INTERFACES 2024; 16:27127-27138. [PMID: 38747495 DOI: 10.1021/acsami.4c02825] [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: 05/30/2024]
Abstract
The excessive depositions of β-amyloid (Aβ) and abnormal level of reactive oxygen species (ROS) are considered as the important pathogenic factors of Alzheimer's disease (AD). Strategies targeting only one of them have no obvious effects in clinic. In this study, a multifunctional nanocarrier CICe@M-K that crosses the blood-brain barrier (BBB) efficiently was developed for inhibiting Aβ aggregation and scavenging ROS synchronously. Antioxidant curcumin (Cur) and photosensitizer IR780 were loaded in mesoporous silica nanomaterials (MSNs). Their surfaces were grafted with cerium oxide nanoparticles (CeO2 NPs) and a short peptide K (CKLVFFAED). Living imaging showed that CICe@M-K was mainly distributed in the brain, liver, and kidneys, indicating CICe@M-K crossed BBB efficiently and accumulated in brain. After the irradiation of 808 nm laser, Cur was continuously released. Both of Cur and the peptide K can recognize and bind to Aβ through multiple interaction including π-π stacking interaction, hydrophobic interaction, and hydrogen bond, inhibiting Aβ aggregation. On the other hand, Cur and CeO2 NPs cooperate to relieve the oxidative stress in the brains by scavenging ROS. In vivo assays showed that the CICe@M-K could diminish Aβ depositions, alleviate oxidative stress, and improve cognitive ability of the APP/PS1 AD mouse model, which demonstrated that CICe@M-K is a potential agent for AD treatment.
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Affiliation(s)
- Chenchen Wang
- State Key Laboratory of Bioelectronics, Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, Key Laboratory of Environmental Medicine Engineering of Ministry of Education, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Xiaolei Song
- State Key Laboratory of Bioelectronics, Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, Key Laboratory of Environmental Medicine Engineering of Ministry of Education, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Peng Li
- Beijing Life Science Academy, Yingcai South first Street, Changping District, Beijing 100101, China
| | - Shihao Sun
- Beijing Life Science Academy, Yingcai South first Street, Changping District, Beijing 100101, China
| | - Juan Su
- State Key Laboratory of Bioelectronics, Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, Key Laboratory of Environmental Medicine Engineering of Ministry of Education, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Songqin Liu
- State Key Laboratory of Bioelectronics, Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, Key Laboratory of Environmental Medicine Engineering of Ministry of Education, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Wei Wei
- State Key Laboratory of Bioelectronics, Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, Key Laboratory of Environmental Medicine Engineering of Ministry of Education, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
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Kakinen A, Jiang Y, Davis TP, Teesalu T, Saarma M. Brain Targeting Nanomedicines: Pitfalls and Promise. Int J Nanomedicine 2024; 19:4857-4875. [PMID: 38828195 PMCID: PMC11143448 DOI: 10.2147/ijn.s454553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 04/15/2024] [Indexed: 06/05/2024] Open
Abstract
Brain diseases are the most devastating problem among the world's increasingly aging population, and the number of patients with neurological diseases is expected to increase in the future. Although methods for delivering drugs to the brain have advanced significantly, none of these approaches provide satisfactory results for the treatment of brain diseases. This remains a challenge due to the unique anatomy and physiology of the brain, including tight regulation and limited access of substances across the blood-brain barrier. Nanoparticles are considered an ideal drug delivery system to hard-to-reach organs such as the brain. The development of new drugs and new nanomaterial-based brain treatments has opened various opportunities for scientists to develop brain-specific delivery systems that could improve treatment outcomes for patients with brain disorders such as Alzheimer's disease, Parkinson's disease, stroke and brain tumors. In this review, we discuss noteworthy literature that examines recent developments in brain-targeted nanomedicines used in the treatment of neurological diseases.
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Affiliation(s)
- Aleksandr Kakinen
- Institute of Biotechnology, HiLIFE, University of Helsinki, Helsinki, Finland
- Australian Institute for Bioengineering and Nanotechnology, University of Queensland, Brisbane, QLD, Australia
| | - Yuhao Jiang
- Australian Institute for Bioengineering and Nanotechnology, University of Queensland, Brisbane, QLD, Australia
| | - Thomas Paul Davis
- Australian Institute for Bioengineering and Nanotechnology, University of Queensland, Brisbane, QLD, Australia
| | - Tambet Teesalu
- Institute of Biomedicine and Translational Medicine, Faculty of Medicine, University of Tartu, Tartu, Estonia
- Materials Research Laboratory, University of California Santa Barbara, Santa Barbara, CA, USA
| | - Mart Saarma
- Institute of Biotechnology, HiLIFE, University of Helsinki, Helsinki, Finland
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Hu Y, Guo H, Cheng S, Sun J, Du J, Liu X, Xiong Y, Chen L, Liu C, Wu C, Tian H. Functionalized Cerium Dioxide Nanoparticles with Antioxidative Neuroprotection for Alzheimer's Disease. Int J Nanomedicine 2023; 18:6797-6812. [PMID: 38026525 PMCID: PMC10658952 DOI: 10.2147/ijn.s434873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 11/09/2023] [Indexed: 12/01/2023] Open
Abstract
Background Oxidative stress induced reactive oxygen species (ROS) and aggregation of amyloid β (Aβ) in the nervous system are significant contributors to Alzheimer's disease (AD). Cerium dioxide and manganese oxide are known as to be effective and recyclable ROS scavengers with high efficiency in neuroprotection. Methods A hollow-structured manganese-doped cerium dioxide nanoparticle (LMC) was synthesized for loading Resveratrol (LMC-RES). The LMC-RES were characterized by TEM, DLS, Zeta potential, and X-ray energy spectrum analysis. We also tested the biocompatibility of LMC-RES and the ability of LMC-RES to cross the blood-brain barrier (BBB). The antioxidant effects of LMC-RES were detected by SH-SY5Y cells. Small animal live imaging was used to detect the distribution of LMC-RES in the brain tissue of AD mice. The cognitive abilities of mice were tested by water maze and nesting experiments. The effects of LMC-RES in reducing oxidative stress and protecting neurons was also explored by histological analysis. Results The results showed that LMC-RES had good sustained release effect and biocompatibility. The drug release rate of LMC-RES at 24 hours was 80.9 ± 2.25%. Meanwhile, LMC-RES could cross the BBB and enrich in neurons to exert antioxidant effects. In Aβ-induced SH-SY5Y cells, LMC-RES could inhibits oxidative stress through the Nrf-2/HO-1 signaling pathway. In AD model mice, LMC-RES was able to reduce ROS levels, inhibit Aβ-induced neurotoxicity, and protect neurons and significantly improve cognitive deficits of AD mice after drug administration. Conclusion LMC-RES can effectively across the BBB, reduce oxidative stress, inhibit Aβ aggregation, and promote the recovery of neurological function.
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Affiliation(s)
- Yu Hu
- School of Basic Medicine, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
- Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
- Key Laboratory of Medical Tissue Engineering of Liaoning Province, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
| | - Hui Guo
- School of Basic Medicine, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
- Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
- Key Laboratory of Medical Tissue Engineering of Liaoning Province, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
| | - Shuai Cheng
- School of Basic Medicine, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
- Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
- Key Laboratory of Medical Tissue Engineering of Liaoning Province, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
| | - Junpeng Sun
- Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
- Pharmacy School, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
| | - Jiaqun Du
- Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
- Pharmacy School, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
| | - Xiaobang Liu
- Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
- Pharmacy School, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
| | - Ying Xiong
- Laboratoire Catalyse et Spectrochimie (LCS), Normandie Université, ENSICAEN, UNICAEN, CNRS, Caen, 14050, France
| | - Liqing Chen
- Department of Endocrinology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning, 121000, People’s Republic of China
| | - Chang Liu
- Key Laboratory of Medical Tissue Engineering of Liaoning Province, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
- Department of Endocrinology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning, 121000, People’s Republic of China
| | - Chao Wu
- Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
- Pharmacy School, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
| | - He Tian
- School of Basic Medicine, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
- Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
- Key Laboratory of Medical Tissue Engineering of Liaoning Province, Jinzhou Medical University, Jinzhou, Liaoning, 121001, People’s Republic of China
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Yang Z, Shi H, Cai G, Jiang S, Hu Z, Wang Z. A Reactive Oxygen Species-Responsive Targeted Nanoscavenger to Promote Mitophagy for the Treatment of Alzheimer's Disease. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2302284. [PMID: 37322535 DOI: 10.1002/smll.202302284] [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: 03/17/2023] [Revised: 06/02/2023] [Indexed: 06/17/2023]
Abstract
Mitophagy modulators are proposed as potential therapeutic intervention that enhance neuronal health and brain homeostasis in Alzheimer's disease (AD). Nevertheless, the lack of specific mitophagy inducers, low efficacies, and the severe side effects of nonselective autophagy during AD treatment have hindered their application. In this study, the P@NB nanoscavenger is designed with a reactive-oxygen-species-responsive (ROS-responsive) poly(l-lactide-co-glycolide) core and a surface modified with the Beclin1 and angiopoietin-2 peptides. Notably, nicotinamide adenine dinucleotide (NAD+ ) and Beclin1, which act as mitophagy promoters, are quickly released from P@NB in the presence of high ROS levels in lesions to restore mitochondrial homeostasis and induce microglia polarization toward the M2-type, thereby enabling it to phagocytose amyloid-peptide (Aβ). These studies demonstrate that P@NB accelerates Aβ degradation and alleviates excessive inflammatory responses by restoring autophagic flux, which ameliorates cognitive impairment in AD mice. This multitarget strategy induces autophagy/mitophagy through synergy, thereby normalizing mitochondrial dysfunction. Therefore, the developed method provides a promising AD-therapy strategy.
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Affiliation(s)
- Zhimin Yang
- Fujian Provincial Key Laboratory of Brain Aging and Neurodegenerative Diseases, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian, 350122, China
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China
| | - Haoyuan Shi
- Fujian Provincial Key Laboratory of Brain Aging and Neurodegenerative Diseases, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian, 350122, China
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China
| | - Guoen Cai
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou, 350001, China
| | - Sujun Jiang
- Fujian Provincial Key Laboratory of Brain Aging and Neurodegenerative Diseases, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian, 350122, China
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China
| | - Zhiyuan Hu
- Fujian Provincial Key Laboratory of Brain Aging and Neurodegenerative Diseases, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian, 350122, China
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China
- School of Nanoscience and Technology, Sino-Danish College, University of Chinese Academy of Sciences, Beijing, 100049, China
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan, 430205, China
| | - Zihua Wang
- Fujian Provincial Key Laboratory of Brain Aging and Neurodegenerative Diseases, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian, 350122, China
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China
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Wang Y, Liu W, Dong X, Sun Y. Design of Self-Assembled Nanoparticles as a Potent Inhibitor and Fluorescent Probe for β-Amyloid Fibrillization. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:12576-12589. [PMID: 37624641 DOI: 10.1021/acs.langmuir.3c01169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/27/2023]
Abstract
Alzheimer's disease (AD) remains incurable due to its complex pathogenesis. The deposition of β-amyloid (Aβ) in the brain appears much earlier than any clinical symptoms and plays an essential role in the occurrence and development of AD neuropathology, which implies the importance of early theranostics. Herein, we designed a self-assembled bifunctional nanoparticle (LC8-pCG-fLC8) for Aβ fluorescent diagnosis and inhibition. The nanoparticle was synthesized by click chemistry from Aβ-targeting peptide Ac-LVFFARKC-NH2 (LC8) and an Aβ fluorescent probe f with the zwitterionic copolymer poly(carboxybetaine methacrylate-glycidyl methacrylate) (p(CBMA-GMA), pCG). Owing to the high reactivity of epoxy groups, the peptide concentration of LC8-pCG-fLC8 nanoparticles reached about 4 times higher than that of the existing inhibitor LVFFARK@poly(carboxybetaine) (LK7@pCB). LC8-pCG-fLC8 exhibited remarkable inhibitory capability (suppression efficiency of 83.0% at 20 μM), altered the aggregation pathway of Aβ, and increased the survival rate of amyloid-induced cultured cells from 76.5% to 98.0% at 20 μM. Notably, LC8-pCG-fLC8 possessed excellent binding affinity, good biostability, and high fluorescence responsivity to β-sheet-rich Aβ oligomers and fibrils, which could be used for the early diagnosis of Aβ aggregation. More importantly, in vivo tests using transgenic C. elegans CL2006 stain showed that LC8-pCG-fLC8 could specifically image Aβ plaques, prolong the lifespan (from 13 to 17 days), and attenuate the AD-like symptoms (reducing paralysis and Aβ deposition). Therefore, self-assembled nanoparticles hold great potential in AD theranostics.
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Affiliation(s)
- Ying Wang
- Department of Biochemical Engineering, School of Chemical Engineering and Technology and Key Laboratory of Systems Bioengineering and Frontiers Science Center for Synthetic Biology (Ministry of Education), Tianjin University, Tianjin 300350, China
| | - Wei Liu
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, China
| | - Xiaoyan Dong
- Department of Biochemical Engineering, School of Chemical Engineering and Technology and Key Laboratory of Systems Bioengineering and Frontiers Science Center for Synthetic Biology (Ministry of Education), Tianjin University, Tianjin 300350, China
| | - Yan Sun
- Department of Biochemical Engineering, School of Chemical Engineering and Technology and Key Laboratory of Systems Bioengineering and Frontiers Science Center for Synthetic Biology (Ministry of Education), Tianjin University, Tianjin 300350, China
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9
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Jia Z, Tang R, Yuan X, Zhu H, Guo J, Chen Y, Yang Y, Liang B, Lu S, Cao D, Liu J. Multifunctional Supramolecular Vesicles as Zn 2+ -Triggered Microglial Modulator Alleviates Alzheimer's Disease. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2302176. [PMID: 37116088 DOI: 10.1002/smll.202302176] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/17/2023] [Indexed: 06/19/2023]
Abstract
Zn2+ -induced β-amyloid protein (Aβ) aggregation and microglia activation are the predominant contributors in Alzheimer's disease (AD). Regulating intracephalic excessive Zn2+ is a promising therapeutic strategy for AD treatment. However, only inhibition of Zn2+ is hardly to repair continuous damages caused by activated microglia. Herein, an intelligent resveratrol-loaded supramolecular vesicles (RES-loaded vesicles) with zinc ion chelation function and responsive release capability are constructed to alleviate Aβ fibrillation, oxidative stress, and microglial dysfunction. The resveratrol encapsulation efficiency and drug loading efficiency are calculated to be 49.67% and 7.87%, respectively. In vitro studies demonstrate that the RES-loaded vesicles can modulate Zn2+ -dependent Aβ aggregation. More importantly, the cargoes will be released in zinc environment and further reprograms microglia from proinflammatory M1 phenotype toward anti-inflammatory M2 phenotype, which prevents spontaneous neuroinflammation and alleviates cytotoxicity of cultured cells from 29% to 12%. With the stereotactic or intranasal administration, RES-loaded vesicles can overcome the blood brain barrier, alleviate neuronal apoptosis, neuroinflammation, and ultimately ameliorate cognitive impairment in two AD mouse models. This work provides a new sight for taking advantage of Zn2+ to treat CNS disorders.
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Affiliation(s)
- Zhi Jia
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou, 510632, China
| | - Ran Tang
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou, 510632, China
| | - Xiaoyu Yuan
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou, 510632, China
| | - Hengmin Zhu
- State Key Laboratory of Luminescent Materials and Devices, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Jiaqi Guo
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou, 510632, China
| | - Yutong Chen
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou, 510632, China
| | - Yonglan Yang
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou, 510632, China
| | - Bin Liang
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou, 510632, China
| | - Shuhao Lu
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou, 510632, China
| | - Derong Cao
- State Key Laboratory of Luminescent Materials and Devices, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Jie Liu
- Department of Chemistry, College of Chemistry and Materials Science, Jinan University, Guangzhou, 510632, China
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10
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Xu H, Liu Y. ROS-responsive nanomodulators downregulate IFITM3 expression and eliminate ROS for Alzheimer's disease combination treatment. J Colloid Interface Sci 2023; 645:210-218. [PMID: 37149995 DOI: 10.1016/j.jcis.2023.04.139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 04/06/2023] [Accepted: 04/26/2023] [Indexed: 05/09/2023]
Abstract
Neuronal damage caused by β-amyloid (Aβ) aggregates and excess reactive oxygen species (ROS) is a crucial pathogenic event in Alzheimer's disease (AD). However, current Aβ-targeting RNA interference (RNAi) treatments have shown limited therapeutic efficacy due to ineffective intracerebral siRNA delivery and overlooked crosstalk between excess ROS and Aβ aggregates in the brain. Herein, a ROS-responsive nanomodulator (NM/CM) was developed for the combinational treatment of RNAi and ROS elimination for AD. NM/CM was coated with 4T1 cell membranes, which endowed NM/CM with the capability to cross blood-brain barrier (BBB). After being internalized by neural cells, NM/CM releases curcumin (Cur) and siIFITM3 spontaneously into the cytoplasm. The released Cur can eliminate ROS, protecting neurons from oxidative damage and reducing the production of Aβ induced by ROS-related neuroinflammation. The released siIFITM3 can downregulate the expression of interferon-induced transmembrane protein 3 (IFITM3), thereby reducing the abnormal Aβ production mediated by IFITM3. As a result, NM/CM remarkably alleviated ROS- and Aβ aggregate-induced neurotoxicity in vitro, showing significant neuroprotective effects. This work demonstrates the potential of NM/CM in the development of novel and effective AD combination therapies.
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Affiliation(s)
- Huaibao Xu
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials of Ministry of Education, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Yang Liu
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials of Ministry of Education, College of Chemistry, Nankai University, Tianjin 300071, China.
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11
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Lin M, Yu H, Xie Q, Xu Z, Shang P. Role of microglia autophagy and mitophagy in age-related neurodegenerative diseases. Front Aging Neurosci 2023; 14:1100133. [PMID: 37180741 PMCID: PMC10169626 DOI: 10.3389/fnagi.2022.1100133] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 12/28/2022] [Indexed: 05/16/2023] Open
Abstract
Microglia, characterized by responding to damage, regulating the secretion of soluble inflammatory mediators, and engulfing specific segments in the central nervous system (CNS), function as key immune cells in the CNS. Emerging evidence suggests that microglia coordinate the inflammatory responses in CNS system and play a pivotal role in the pathogenesis of age-related neurodegenerative diseases (NDDs). Remarkably, microglia autophagy participates in the regulation of subcellular substances, which includes the degradation of misfolded proteins and other harmful constituents produced by neurons. Therefore, microglia autophagy regulates neuronal homeostasis maintenance and process of neuroinflammation. In this review, we aimed at highlighting the pivotal role of microglia autophagy in the pathogenesis of age-related NDDs. Besides the mechanistic process and the co-interaction between microglia autophagy and different kinds of NDDs, we also emphasized potential therapeutic agents and approaches that could be utilized at the onset and progression of these diseases through modulating microglia autophagy, including promising nanomedicines. Our review provides a valuable reference for subsequent studies focusing on treatments of neurodegenerative disorders. The exploration of microglia autophagy and the development of nanomedicines greatly enhances current understanding of NDDs.
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Affiliation(s)
- Mingkai Lin
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Hongwen Yu
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Qiuyan Xie
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zhiyun Xu
- Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Pei Shang
- Department of Neurology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Breast Center, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
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12
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Zhao L, Meng F, Li Y, Liu S, Xu M, Chu F, Li C, Yang X, Luo L. Multivalent Nanobody Conjugate with Rigid, Reactive Oxygen Species Scavenging Scaffold for Multi-Target Therapy of Alzheimer's Disease. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2210879. [PMID: 36786375 DOI: 10.1002/adma.202210879] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 02/08/2023] [Indexed: 05/17/2023]
Abstract
Efficient therapeutic strategies that concurrently target both Aβ aggregation and oxidative stress in the Alzheimer's disease (AD) microenvironment emerge as a cutting-edge tool to combat the intricate pathogenesis of AD. Here, a multivalent nanobody conjugate with rigid, reactive oxygen species (ROS) scavenging scaffold is developed to achieve simultaneous Aβ amyloidogenesis mitigation, ROS elimination, and Aβ plaque clearance. Grafting Aβ segment (33-GLMVGGVVIA-42) into the third complementary-determining region of a parent nanobody generates an engineered nanobody NB that can recognize Aβ and inhibit its aggregation through homotypic interactions. NB is further genetically modified with a fragment of human interleukin-1β (163-VQGEESNDK-171), so that the obtained fusion nanobody NBIL can also facilitate the Aβ clearance by microglia. Linking NBIL covalently onto a rigid, ROS scavenging scaffold poly(deca-4,6-diynedioic acid) (PDDA) creates the multivalent nanobody conjugate PNBIL, which not only boosts the binding affinity between NBIL and Aβ aggregates for nearly 100 times but also possesses a long-term capability of oxidative stress alleviation, inflammation reduction, and neuron protection. PNBIL has significantly attenuated symptoms on two AD mouse models through amyloidogenesis inhibition and AD microenvironment modulation, validating that the multivalent nanobody conjugate design based on combinatory nanobody and molecular engineering is a promising approach of multi-target therapeutic strategies.
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Affiliation(s)
- Liyuan Zhao
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
- Key Laboratory of Molecular Biophysics of the Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Fanling Meng
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
- Key Laboratory of Molecular Biophysics of the Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Yingjie Li
- Department of Medical Genetics, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, P. R. China
| | - Sujuan Liu
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Mengmeng Xu
- Department of Medical Genetics, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, P. R. China
| | - Fan Chu
- Department of Medical Genetics, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, P. R. China
| | - Chuanzhou Li
- Department of Medical Genetics, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, P. R. China
| | - Xiangliang Yang
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
- Key Laboratory of Molecular Biophysics of the Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Liang Luo
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
- Key Laboratory of Molecular Biophysics of the Ministry of Education, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
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13
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Guo ZH, Khattak S, Rauf MA, Ansari MA, Alomary MN, Razak S, Yang CY, Wu DD, Ji XY. Role of Nanomedicine-Based Therapeutics in the Treatment of CNS Disorders. Molecules 2023; 28:molecules28031283. [PMID: 36770950 PMCID: PMC9921752 DOI: 10.3390/molecules28031283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/13/2022] [Accepted: 12/20/2022] [Indexed: 01/31/2023] Open
Abstract
Central nervous system disorders, especially neurodegenerative diseases, are a public health priority and demand a strong scientific response. Various therapy procedures have been used in the past, but their therapeutic value has been insufficient. The blood-brain barrier (BBB) and the blood-cerebrospinal fluid barrier is two of the barriers that protect the central nervous system (CNS), but are the main barriers to medicine delivery into the CNS for treating CNS disorders, such as brain tumors, Parkinson's disease, Alzheimer's disease, and Huntington's disease. Nanotechnology-based medicinal approaches deliver valuable cargos targeting molecular and cellular processes with greater safety, efficacy, and specificity than traditional approaches. CNS diseases include a wide range of brain ailments connected to short- and long-term disability. They affect millions of people worldwide and are anticipated to become more common in the coming years. Nanotechnology-based brain therapy could solve the BBB problem. This review analyzes nanomedicine's role in medication delivery; immunotherapy, chemotherapy, and gene therapy are combined with nanomedicines to treat CNS disorders. We also evaluated nanotechnology-based approaches for CNS disease amelioration, with the intention of stimulating the immune system by delivering medications across the BBB.
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Affiliation(s)
- Zi-Hua Guo
- Department of Neurology, Kaifeng Hospital of Traditional Chinese Medicine, No. 54 East Caizhengting St., Kaifeng 475000, China
| | - Saadullah Khattak
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China
| | - Mohd Ahmar Rauf
- Department of Surgery, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
- Henan-Macquarie University Joint Centre for Biomedical Innovation, School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Mohammad Azam Ansari
- Department of Epidemic Disease Research, Institute for Research & Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Mohammad N. Alomary
- National Centre for Biotechnology, King Abdulaziz City for Science and Technology (KACST), P.O. Box 6086, Riyadh 11442, Saudi Arabia
| | - Sufyan Razak
- Dow Medical College, John Hopkins Medical Center, School of Medicine, Baltimore, MD 21205, USA
| | - Chang-Yong Yang
- School of Nursing and Health, Henan University, Kaifeng 475004, China
- Correspondence: (C.-Y.Y.); (D.-D.W.); (X.-Y.J.); Tel.: +86-371-23885066 (C.-Y.Y.); +86-371-23880525 (D.-D.W.); +86-371-23880585 (X.-Y.J.)
| | - Dong-Dong Wu
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China
- School of Stomatology, Henan University, Kaifeng 475004, China
- Correspondence: (C.-Y.Y.); (D.-D.W.); (X.-Y.J.); Tel.: +86-371-23885066 (C.-Y.Y.); +86-371-23880525 (D.-D.W.); +86-371-23880585 (X.-Y.J.)
| | - Xin-Ying Ji
- Henan International Joint Laboratory for Nuclear Protein Regulation, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China
- Correspondence: (C.-Y.Y.); (D.-D.W.); (X.-Y.J.); Tel.: +86-371-23885066 (C.-Y.Y.); +86-371-23880525 (D.-D.W.); +86-371-23880585 (X.-Y.J.)
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14
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Nucleic acid drug vectors for diagnosis and treatment of brain diseases. Signal Transduct Target Ther 2023; 8:39. [PMID: 36650130 PMCID: PMC9844208 DOI: 10.1038/s41392-022-01298-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 12/08/2022] [Accepted: 12/21/2022] [Indexed: 01/18/2023] Open
Abstract
Nucleic acid drugs have the advantages of rich target selection, simple in design, good and enduring effect. They have been demonstrated to have irreplaceable superiority in brain disease treatment, while vectors are a decisive factor in therapeutic efficacy. Strict physiological barriers, such as degradation and clearance in circulation, blood-brain barrier, cellular uptake, endosome/lysosome barriers, release, obstruct the delivery of nucleic acid drugs to the brain by the vectors. Nucleic acid drugs against a single target are inefficient in treating brain diseases of complex pathogenesis. Differences between individual patients lead to severe uncertainties in brain disease treatment with nucleic acid drugs. In this Review, we briefly summarize the classification of nucleic acid drugs. Next, we discuss physiological barriers during drug delivery and universal coping strategies and introduce the application methods of these universal strategies to nucleic acid drug vectors. Subsequently, we explore nucleic acid drug-based multidrug regimens for the combination treatment of brain diseases and the construction of the corresponding vectors. In the following, we address the feasibility of patient stratification and personalized therapy through diagnostic information from medical imaging and the manner of introducing contrast agents into vectors. Finally, we take a perspective on the future feasibility and remaining challenges of vector-based integrated diagnosis and gene therapy for brain diseases.
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15
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Zhang X, Khan S, Wei R, Zhang Y, Liu Y, Wee Yong V, Xue M. Application of nanomaterials in the treatment of intracerebral hemorrhage. J Tissue Eng 2023; 14:20417314231157004. [PMID: 37032735 PMCID: PMC10074624 DOI: 10.1177/20417314231157004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 01/28/2023] [Indexed: 04/05/2023] Open
Abstract
Intracerebral hemorrhage (ICH) is a non-traumatic hemorrhage caused by the rupture of blood vessels in the brain parenchyma, with an acute mortality rate of 30%‒40%. Currently, available treatment options that include surgery are not promising, and new approaches are urgently needed. Nanotechnology offers new prospects in ICH because of its unique benefits. In this review, we summarize the applications of various nanomaterials in ICH. Nanomaterials not only enhance the therapeutic effects of drugs as delivery carriers but also contribute to several facets after ICH such as repressing detrimental neuroinflammation, resisting oxidative stress, reducing cell death, and improving functional deficits.
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Affiliation(s)
- Xiangyu Zhang
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Academy of Medical Science, Zhengzhou University, Zhengzhou, Henan, China
| | - Suliman Khan
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Academy of Medical Science, Zhengzhou University, Zhengzhou, Henan, China
| | - Ruixue Wei
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Academy of Medical Science, Zhengzhou University, Zhengzhou, Henan, China
| | - Yan Zhang
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Academy of Medical Science, Zhengzhou University, Zhengzhou, Henan, China
| | - Yang Liu
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Academy of Medical Science, Zhengzhou University, Zhengzhou, Henan, China
| | - Voon Wee Yong
- Hotchkiss Brain Institute and Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada
| | - Mengzhou Xue
- Department of Cerebrovascular Diseases, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Academy of Medical Science, Zhengzhou University, Zhengzhou, Henan, China
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16
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Seaberg J, Clegg JR, Bhattacharya R, Mukherjee P. Self-Therapeutic Nanomaterials: Applications in Biology and Medicine. MATERIALS TODAY (KIDLINGTON, ENGLAND) 2023; 62:190-224. [PMID: 36938366 PMCID: PMC10022599 DOI: 10.1016/j.mattod.2022.11.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Over past decades, nanotechnology has contributed to the biomedical field in areas including detection, diagnosis, and drug delivery via opto-electronic properties or enhancement of biological effects. Though generally considered inert delivery vehicles, a plethora of past and present evidence demonstrates that nanomaterials also exude unique intrinsic biological activity based on composition, shape, and surface functionalization. These intrinsic biological activities, termed self-therapeutic properties, take several forms, including mediation of cell-cell interactions, modulation of interactions between biomolecules, catalytic amplification of biochemical reactions, and alteration of biological signal transduction events. Moreover, study of biomolecule-nanomaterial interactions offers a promising avenue for uncovering the molecular mechanisms of biology and the evolution of disease. In this review, we observe the historical development, synthesis, and characterization of self-therapeutic nanomaterials. Next, we discuss nanomaterial interactions with biological systems, starting with administration and concluding with elimination. Finally, we apply this materials perspective to advances in intrinsic nanotherapies across the biomedical field, from cancer therapy to treatment of microbial infections and tissue regeneration. We conclude with a description of self-therapeutic nanomaterials in clinical trials and share our perspective on the direction of the field in upcoming years.
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Affiliation(s)
- Joshua Seaberg
- Department of Pathology, University of Oklahoma Health Science Center, Oklahoma City, OK 73104, USA
- M.D./Ph.D. Program, University of Oklahoma Health Science Center, Oklahoma City, OK 73104, USA
| | - John R. Clegg
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, OK 73019, USA
| | - Resham Bhattacharya
- Department of Obstetrics and Gynecology, University of Oklahoma Health Science Center, Oklahoma City, OK 73104, USA
| | - Priyabrata Mukherjee
- Department of Pathology, University of Oklahoma Health Science Center, Oklahoma City, OK 73104, USA
- Peggy and Charles Stephenson Cancer Center, University of Oklahoma Health Science Center, Oklahoma City, OK 73104, USA
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17
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Chintapula U, Chikate T, Sahoo D, Kieu A, Guerrero Rodriguez ID, Nguyen KT, Trott D. Immunomodulation in age-related disorders and nanotechnology interventions. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2023; 15:e1840. [PMID: 35950266 PMCID: PMC9840662 DOI: 10.1002/wnan.1840] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 05/19/2022] [Accepted: 06/01/2022] [Indexed: 01/31/2023]
Abstract
Recently, the aging population has increased exponentially around the globe bringing more challenges to improve quality of life in those populations while reducing the economic burden on healthcare systems. Aging is associated with changes in the immune system culminating in detrimental effects such as immune dysfunction, immunosenescence, and chronic inflammation. Age-related decline of immune functions is associated with various pathologies including cardiovascular, autoimmune, neurodegenerative, and infectious diseases to name a few. Conventional treatment addresses the onset of age-related diseases by early detection of risk factors, administration of vaccines as preventive care, immunomodulatory treatment, and other dietary supplements. However, these approaches often come with systemic side-effects, low bioavailability of therapeutic agents, and poor outcomes seen in the elderly. Recent innovations in nanotechnology have led to the development of novel biomaterials/nanomaterials, which explore targeted drug delivery and immunomodulatory interactions in vivo. Current nanotechnology-based immunomodulatory approaches that have the potential to be used as therapeutic interventions for some prominent age-related diseases are discussed here. Finally, we explore challenges and future aspects of nanotechnology in the treatments of age-related disorders to improve quality of life in the elderly. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Cardiovascular Disease Therapeutic Approaches and Drug Discovery > Nanomedicine for Neurological Disease Therapeutic Approaches and Drug Discovery > Emerging Technologies.
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Affiliation(s)
- Uday Chintapula
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas, USA
- Joint Bioengineering Program, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Tanmayee Chikate
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas, USA
| | - Deepsundar Sahoo
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas, USA
| | - Amie Kieu
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas, USA
| | | | - Kytai T. Nguyen
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas, USA
- Joint Bioengineering Program, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Daniel Trott
- Department of Kinesiology, University of Texas at Arlington, Arlington, Texas, USA
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18
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Liu J, Chen C, Chen H, Huang C, Ren Q, Sun M, Tao J, Lin B, Zhao P. Brain Glucose Activated MRI Contrast Agent for Early Diagnosis of Alzheimer’s Disease. Anal Chem 2022; 94:16213-16221. [DOI: 10.1021/acs.analchem.2c03765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Jiamin Liu
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Chuyao Chen
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Huiting Chen
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Cong Huang
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Qingfan Ren
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Mingyan Sun
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Jia Tao
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Bingquan Lin
- Department of Medical Imaging Center, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Peng Zhao
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Southern Medical University, Guangzhou 510515, China
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19
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Hao Y, Su C, Liu X, Sui H, Shi Y, Zhao L. Bioengineered microglia-targeted exosomes facilitate Aβ clearance via enhancing activity of microglial lysosome for promoting cognitive recovery in Alzheimer's disease. BIOMATERIALS ADVANCES 2022; 136:212770. [PMID: 35929330 DOI: 10.1016/j.bioadv.2022.212770] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 03/08/2022] [Accepted: 03/17/2022] [Indexed: 06/15/2023]
Abstract
Aggregation of amyloid in the form of senile plaques is currently considered to be one of the main mechanisms driving the development of Alzheimer's disease (AD). Therefore, targeting amyloid homeostasis is an important treatment strategy for AD. Microglia, as the main immune cells, contribute to endocytosis and clearance of amyloid beta (Aβ) via lysosome mediated degradation. As abnormal lysosomal function in microglia is associated with inefficient clearance of Aβ in AD, we designed bioengineered microglia-targeting exosomes to promote the targeted delivery of gemfibrozil (Gem) and restore the lysosomal activity of microglia in clearing Aβ aggregation. Our results suggested that mannose-modified exosomes laden with Gem (MExo-Gem) can not only bind with Aβ but also specifically target microglia through the interaction between Exo-delivered mannose and mannose receptors expressed in microglia, thus promoting Aβ entry into microglia. Exosomal Gem activated lysosomal activity and accelerated lysosome-mediated clearance of Aβ in microglia. Finally, MExo-Gem improved the learning and memory ability of AD model mice.
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Affiliation(s)
- Yunni Hao
- School of Pharmacy, Jinzhou Medical University, Jinzhou 121000, PR China
| | - Chang Su
- School of Veterinary Medicine, Jinzhou Medical University, Jinzhou 121000, PR China
| | - Xintong Liu
- School of Pharmacy, Jinzhou Medical University, Jinzhou 121000, PR China
| | - Haijuan Sui
- Department of Pharmacology, Jinzhou Medical University, Jinzhou 121000, PR China
| | - Yijie Shi
- School of Pharmacy, Jinzhou Medical University, Jinzhou 121000, PR China.
| | - Liang Zhao
- School of Pharmacy, Jinzhou Medical University, Jinzhou 121000, PR China.
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20
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Xi Y, Chen Y, Jin Y, Han G, Song M, Song T, Shi Y, Tao L, Huang Z, Zhou J, Ding Y, Zhang H. Versatile nanomaterials for Alzheimer's disease: Pathogenesis inspired disease-modifying therapy. J Control Release 2022; 345:38-61. [DOI: 10.1016/j.jconrel.2022.02.034] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 02/25/2022] [Accepted: 02/26/2022] [Indexed: 12/11/2022]
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21
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Zhang P, Chen D, Li L, Sun K. Charge reversal nano-systems for tumor therapy. J Nanobiotechnology 2022; 20:31. [PMID: 35012546 PMCID: PMC8751315 DOI: 10.1186/s12951-021-01221-8] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 12/23/2021] [Indexed: 12/26/2022] Open
Abstract
Surface charge of biological and medical nanocarriers has been demonstrated to play an important role in cellular uptake. Owing to the unique physicochemical properties, charge-reversal delivery strategy has rapidly developed as a promising approach for drug delivery application, especially for cancer treatment. Charge-reversal nanocarriers are neutral/negatively charged at physiological conditions while could be triggered to positively charged by specific stimuli (i.e., pH, redox, ROS, enzyme, light or temperature) to achieve the prolonged blood circulation and enhanced tumor cellular uptake, thus to potentiate the antitumor effects of delivered therapeutic agents. In this review, we comprehensively summarized the recent advances of charge-reversal nanocarriers, including: (i) the effect of surface charge on cellular uptake; (ii) charge-conversion mechanisms responding to several specific stimuli; (iii) relation between the chemical structure and charge reversal activity; and (iv) polymeric materials that are commonly applied in the charge-reversal delivery systems.
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Affiliation(s)
- Peng Zhang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, 30 Qingquan Road, Yantai, 264005, Shandong, People's Republic of China.
| | - Daoyuan Chen
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, 30 Qingquan Road, Yantai, 264005, Shandong, People's Republic of China
| | - Lin Li
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, 30 Qingquan Road, Yantai, 264005, Shandong, People's Republic of China
| | - Kaoxiang Sun
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, 30 Qingquan Road, Yantai, 264005, Shandong, People's Republic of China.,State Key Laboratory of Long-Acting and Targeting Drug Delivery System, Shandong Luye Pharmaceutical Co. Ltd, Yantai, 264003, People's Republic of China
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22
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Nature-inspired dynamic gene-loaded nanoassemblies for the treatment of brain diseases. Adv Drug Deliv Rev 2022; 180:114029. [PMID: 34752841 DOI: 10.1016/j.addr.2021.114029] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 09/03/2021] [Accepted: 10/27/2021] [Indexed: 12/14/2022]
Abstract
Gene therapy has great potential to treat brain diseases. However, genetic drugs need to overcome a cascade of barriers for their full potential. The conventional delivery systems often struggle to meet expectations. Natural biological particles that are highly optimized for specific functions in body, can inspire optimization of dynamic gene-loaded nanoassemblies (DGN). The DGN refer to gene loaded nanoassemblies whose functions and structures are changeable in response to the biological microenvironments or can dynamically interact with tissues or cells. The nature-inspired DGN can meet the needs in brain diseases treatment, including i) Non-elimination in blood (N), ii) Across the blood-brain barrier (A), iii) Targeting cells (T), iv) Efficient uptake (U), v) Controllable release (R), vi) Eyeable (E)-abbreviated as the "NATURE". In this Review, from nature to "NATURE", we mainly summarize the specific application of nature-inspired DGN in the "NATURE" cascade process. Furthermore, the Review provides an outlook for this field.
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23
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Wang P, Yang P, Qian K, Li Y, Xu S, Meng R, Guo Q, Cheng Y, Cao J, Xu M, Lu W, Zhang Q. Precise gene delivery systems with detachable albumin shell remodeling dysfunctional microglia by TREM2 for treatment of Alzheimer's disease. Biomaterials 2021; 281:121360. [PMID: 34991033 DOI: 10.1016/j.biomaterials.2021.121360] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 12/19/2021] [Accepted: 12/29/2021] [Indexed: 12/12/2022]
Abstract
Intervention of the over-activated microglia-aggravated neuroinflammation represents a promising therapeutic strategy for Alzheimer's disease (AD). Upregulation of triggering receptor expressed on myeloid cells-2 (TREM2) attenuates the neuroinflammatory processes and normalizes the dysfunctional microglia. However, Trem2-gene therapy for AD by the effective non-invasive delivery systems is unexploited. Herein, we report the microglia-targeted gene delivery systems (PHSA@PF/pTREM2) composed of a core of fluorinated polyethylenimine condensing the TREM2-encoding plasmid (PF/pTREM2) and a shell of human serum albumin conjugated with both cis-aconitic anhydride and neural cell adhesion molecule-mimetic peptide P2 (PHSA). Thanks to the shedding effect of the albumin coated, PHSA@PF/pTREM2 exhibit prolonged blood circulation and low cytotoxicity. PHSA@PF/pTREM2 achieve brain accumulation as high as 2.17% injected dose per gram of brain and the microglial-targeting effect (targeting specificity of 41.9%) via the systemic administration. The nanocomplexes can be detached PHSA-shell in the acidic endo-lysosomes via the cleavage of cis-aconitic amide bond, resulting in PF/pTREM2 exposure for efficient endo-lysosomal escape and gene transfection. PHSA@PF/pTREM2 upregulate the TREM2 level and regulate microglial polarization toward M2-phenotype for remodeling the inflammatory microenvironment and enhanced Aβ clearance, leading to an improvement of cognitive performance in APP/PS1 mice. This work provides a promising gene delivery platform to reverse dysfunctional microglia for AD therapy.
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Affiliation(s)
- Pengzhen Wang
- Key Laboratory of Smart Drug Delivery, Ministry of Education, & State Key Laboratory of Molecular Engineering of Polymers, School of Pharmacy, Fudan University, Shanghai, 201203, PR China
| | - Peng Yang
- Key Laboratory of Smart Drug Delivery, Ministry of Education, & State Key Laboratory of Molecular Engineering of Polymers, School of Pharmacy, Fudan University, Shanghai, 201203, PR China
| | - Kang Qian
- Key Laboratory of Smart Drug Delivery, Ministry of Education, & State Key Laboratory of Molecular Engineering of Polymers, School of Pharmacy, Fudan University, Shanghai, 201203, PR China
| | - Yixian Li
- Key Laboratory of Smart Drug Delivery, Ministry of Education, & State Key Laboratory of Molecular Engineering of Polymers, School of Pharmacy, Fudan University, Shanghai, 201203, PR China
| | - Shuting Xu
- Key Laboratory of Smart Drug Delivery, Ministry of Education, & State Key Laboratory of Molecular Engineering of Polymers, School of Pharmacy, Fudan University, Shanghai, 201203, PR China
| | - Ran Meng
- Key Laboratory of Smart Drug Delivery, Ministry of Education, & State Key Laboratory of Molecular Engineering of Polymers, School of Pharmacy, Fudan University, Shanghai, 201203, PR China
| | - Qian Guo
- Key Laboratory of Smart Drug Delivery, Ministry of Education, & State Key Laboratory of Molecular Engineering of Polymers, School of Pharmacy, Fudan University, Shanghai, 201203, PR China
| | - Yunlong Cheng
- Key Laboratory of Smart Drug Delivery, Ministry of Education, & State Key Laboratory of Molecular Engineering of Polymers, School of Pharmacy, Fudan University, Shanghai, 201203, PR China
| | - Jinxu Cao
- Key Laboratory of Smart Drug Delivery, Ministry of Education, & State Key Laboratory of Molecular Engineering of Polymers, School of Pharmacy, Fudan University, Shanghai, 201203, PR China
| | - Minjun Xu
- Key Laboratory of Smart Drug Delivery, Ministry of Education, & State Key Laboratory of Molecular Engineering of Polymers, School of Pharmacy, Fudan University, Shanghai, 201203, PR China
| | - Wei Lu
- Key Laboratory of Smart Drug Delivery, Ministry of Education, & State Key Laboratory of Molecular Engineering of Polymers, School of Pharmacy, Fudan University, Shanghai, 201203, PR China.
| | - Qizhi Zhang
- Key Laboratory of Smart Drug Delivery, Ministry of Education, & State Key Laboratory of Molecular Engineering of Polymers, School of Pharmacy, Fudan University, Shanghai, 201203, PR China.
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24
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Lei T, Yang Z, Xia X, Chen Y, Yang X, Xie R, Tong F, Wang X, Gao H. A nanocleaner specifically penetrates the blood‒brain barrier at lesions to clean toxic proteins and regulate inflammation in Alzheimer's disease. Acta Pharm Sin B 2021; 11:4032-4044. [PMID: 35024324 PMCID: PMC8727781 DOI: 10.1016/j.apsb.2021.04.022] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 03/29/2021] [Accepted: 03/30/2021] [Indexed: 12/16/2022] Open
Abstract
Insurmountable blood‒brain barrier (BBB) and complex pathological features are the key factors affecting the treatment of Alzheimer's disease (AD). Poor accumulation of drugs in lesion sites and undesired effectiveness of simply reducing Aβ deposition or TAU protein need to be resolved urgently. Herein, a nanocleaner is designed with a rapamycin-loaded ROS-responsive PLGA core and surface modification with KLVFF peptide and acid-cleavable DAG peptide [R@(ox-PLGA)-KcD]. DAG can enhance the targeting and internalization effect of nanocleaner towards neurovascular unit endothelial cells in AD lesions, and subsequently detach from nanocleaner in response to acidic microenvironment of endosomes to promote the transcytosis of nanocleaner from endothelial cells into brain parenchyma. Then exposed KLVFF can capture and carry Aβ to microglia, attenuating Aβ-induced neurotoxicity. Strikingly, rapamycin, an autophagy promoter, is rapidly liberated from nanocleaner in the high ROS level of lesions to improve Aβ degradation and normalize inflammatory condition. This design altogether accelerates Aβ degradation and alleviates oxidative stress and excessive inflammatory response. Collectively, our finding offers a strategy to target the AD lesions precisely and multi-pronged therapies for clearing the toxic proteins and modulating lesion microenvironment, to achieve efficient AD therapy.
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Affiliation(s)
- Ting Lei
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Zhihang Yang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Xue Xia
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Yuxiu Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Xiaotong Yang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Rou Xie
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Fan Tong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Xiaolin Wang
- School of Pharmacy and State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau 999078, China
| | - Huile Gao
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
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25
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Zhou X, Hu S, Wang S, Pang Y, Lin Y, Li M. Large Amino Acid Mimicking Selenium-Doped Carbon Quantum Dots for Multi-Target Therapy of Alzheimer's Disease. Front Pharmacol 2021; 12:778613. [PMID: 34776988 PMCID: PMC8579002 DOI: 10.3389/fphar.2021.778613] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 10/11/2021] [Indexed: 01/04/2023] Open
Abstract
Multi-target intervention and synergistic treatment are critical for the drug development of Alzheimer’s disease (AD) due to its complex and multifactional nature. Oxidative stress and amyloid β peptides (Aβ) accumulation have been recognized as therapeutic targets for AD. Herein, with ability to inhibit Aβ aggregation and the broad-spectrum antioxidant properties, the large amino acid mimicking selenium-doped carbon quantum dots (SeCQDs) are presented as novel nanoagents for multi-target therapy of AD. Compared with the precursor, selenocystine, SeCQDs which maintain the intrinsic properties of both selenium and carbon quantum dots (CQDs) possess good biocompatibility and a remarkable ROS-scavenging activity. Moreover, the functionalized α-carboxyl and amino groups on edge of SeCQDs can trigger multivalent interactions with Aβ, leading to the ability of SeCQDs to inhibit Aβ aggregation. In vivo study demonstrated that SeCQDs can significantly ameliorate the Aβ induced memory deficits, reduce Aβ accumulation and inhibit neuron degeneration in AD model rats. The versatility of functionalization and potential ability to cross the blood-brain barrier (BBB) make SeCQDs as prospective nanodrugs for treating AD.
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Affiliation(s)
- Xi Zhou
- College of Pharmacy, Key Laboratory of Innovative Drug Development and Evaluation, Hebei Medical University, Shijiazhuang, China
| | - Shuyang Hu
- College of Pharmacy, Key Laboratory of Innovative Drug Development and Evaluation, Hebei Medical University, Shijiazhuang, China
| | - Shuangling Wang
- College of Pharmacy, Key Laboratory of Innovative Drug Development and Evaluation, Hebei Medical University, Shijiazhuang, China
| | - Yu Pang
- College of Pharmacy, Key Laboratory of Innovative Drug Development and Evaluation, Hebei Medical University, Shijiazhuang, China
| | - Yulong Lin
- College of Pharmacy, Key Laboratory of Innovative Drug Development and Evaluation, Hebei Medical University, Shijiazhuang, China
| | - Meng Li
- College of Pharmacy, Key Laboratory of Innovative Drug Development and Evaluation, Hebei Medical University, Shijiazhuang, China
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26
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Charrière K, Ghzaiel I, Lizard G, Vejux A. Involvement of Microglia in Neurodegenerative Diseases: Beneficial Effects of Docosahexahenoic Acid (DHA) Supplied by Food or Combined with Nanoparticles. Int J Mol Sci 2021; 22:ijms221910639. [PMID: 34638979 PMCID: PMC8508587 DOI: 10.3390/ijms221910639] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 09/24/2021] [Accepted: 09/27/2021] [Indexed: 12/12/2022] Open
Abstract
Neurodegenerative diseases represent a major public health issue and require better therapeutic management. The treatments developed mainly target neuronal activity. However, an inflammatory component must be considered, and microglia may constitute an important therapeutic target. Given the difficulty in developing molecules that can cross the blood–brain barrier, the use of food-derived molecules may be an interesting therapeutic avenue. Docosahexaenoic acid (DHA), an omega-3 polyunsaturated fatty acid (22:6 omega-3), has an inhibitory action on cell death and oxidative stress induced in the microglia. It also acts on the inflammatory activity of microglia. These data obtained in vitro or on animal models are corroborated by clinical trials showing a protective effect of DHA. Whereas DHA crosses the blood–brain barrier, nutritional intake lacks specificity at both the tissue and cellular level. Nanomedicine offers new tools which favor the delivery of DHA at the cerebral level, especially in microglial cells. Because of the biological activities of DHA and the associated nanotargeting techniques, DHA represents a therapeutic molecule of interest for the treatment of neurodegenerative diseases.
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Affiliation(s)
- Karine Charrière
- Centre Hospitalier Universitaire de Besançon, Centre d’Investigation Clinique, INSERM CIC 1431, 25030 Besançon, France;
| | - Imen Ghzaiel
- Team Bio-PeroxIL, “Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism” (EA7270), Université de Bourgogne Franche-Comté, INSERM, UFR Sciences Vie Terre et Environnement, 21000 Dijon, France; (I.G.); (G.L.)
| | - Gérard Lizard
- Team Bio-PeroxIL, “Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism” (EA7270), Université de Bourgogne Franche-Comté, INSERM, UFR Sciences Vie Terre et Environnement, 21000 Dijon, France; (I.G.); (G.L.)
| | - Anne Vejux
- Team Bio-PeroxIL, “Biochemistry of the Peroxisome, Inflammation and Lipid Metabolism” (EA7270), Université de Bourgogne Franche-Comté, INSERM, UFR Sciences Vie Terre et Environnement, 21000 Dijon, France; (I.G.); (G.L.)
- Correspondence: ; Tel.: +33-3-8039-3701; Fax: +33-3-8039-6250
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27
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Yang X, Wang L, Guo S, Li R, Tian F, Guan S, Zhou S, Lu J. Self-Cycling Free Radical Generator from LDH-Based Nanohybrids for Ferroptosis-Enhanced Chemodynamic Therapy. Adv Healthc Mater 2021; 10:e2100539. [PMID: 34319006 DOI: 10.1002/adhm.202100539] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 06/28/2021] [Indexed: 12/13/2022]
Abstract
Nonapoptotic ferroptosis has been a novel form of programmed cell death, which provides a new solution to enrich the anticancer treatment efficacy of traditional apoptotic therapeutic modality. Herein, a novel nanohybrid is designed by loading the PEG-encapsulated Artemisinin (denoted as A@P) on the ultrathin MgFe-LDH nanosheets (denoted as uLDHs) for improved chemodynamic therapy (CDT). The A@P/uLDHs cannot only realize the self-assembly between the Art and carrier but also be regarded as free radical generator. A comprehensive mechanistic study suggests that this unique A@P/uLDHs is able to in situ activate Art and self-cycling generate toxic C-centered free radical inside the cancer cells, without depending on abundant H2 O2 , accompanied with diminished cancerous antioxidation by depleting glutathione (GSH). The accumulation of ROS and depletion of GSH can further oxidize unsaturated fatty acid to generate lipid peroxide, whose overexpression can induce cell ferroptosis accompanied by cellular iron homeostasis turbulence. Both in vitro and in vivo results exhibit that A@P/uLDHs are an efficient nanoagent for highly efficient ferroptosis-enhanced CDT treatment. This work imparts the promising new visions about the ferroptosis-enhanced CDT via fine regulation of material design for improved cancer treatments.
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Affiliation(s)
- Xueting Yang
- State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical Technology P. O. Box 98, Beisanhuan East Road 15 Beijing 100029 P. R. China
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Li Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Shuaitian Guo
- State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical Technology P. O. Box 98, Beisanhuan East Road 15 Beijing 100029 P. R. China
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Ran Li
- State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical Technology P. O. Box 98, Beisanhuan East Road 15 Beijing 100029 P. R. China
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Fangzhen Tian
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Shanyue Guan
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Shuyun Zhou
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Jun Lu
- State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical Technology P. O. Box 98, Beisanhuan East Road 15 Beijing 100029 P. R. China
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical Technology Beijing 100029 P. R. China
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28
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Yan C, Wang C, Shao X, Shu Q, Hu X, Guan P, Teng Y, Cheng Y. Dual-targeted carbon-dot-drugs nanoassemblies for modulating Alzheimer's related amyloid- β aggregation and inhibiting fungal infection. Mater Today Bio 2021; 12:100167. [PMID: 34901820 PMCID: PMC8639470 DOI: 10.1016/j.mtbio.2021.100167] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 11/15/2021] [Accepted: 11/23/2021] [Indexed: 12/11/2022] Open
Abstract
Amyloid aggregation and fungal infection, especially amyloid beta (Aβ) peptide and Candida albicans are considered as two of the crucial pathogenic agents in Alzheimer's disease (AD). In this work, we propose an innovative treatment strategy for AD, targeting at not only Aβ aggregation but also Candida albicans infection. Here, a high-performance nanomaterial, namely gCDs-E, have been prepared by self-assembled of glycosylated carbon dots (gCDs) and epigallocatechin-3-gallate (EGCG). Surprisingly, gCDs-E can not only suppress the fibrillation of Aβ and disaggregate Aβ fibrils, but also effectively inhibit the activity of Candida albicans. More importantly, the prepared gCDs-E can effectively cut down the cytotoxicity of amyloid aggregations, and the cell viability reached to 99.2%. In addition, the capability of the gCDs-E for blood brain barrier (BBB) penetration was also observed using a normal mice model. Above all, the gCDs-E greatly cleaned Aβ deposition and improved memory impairment in APP/PS1 transgenic AD model mice, confirming its potential as therapeutic agent for AD treatment.
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Affiliation(s)
- Chaoren Yan
- Department of Chemistry, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, 710072, PR China
| | - Chaoli Wang
- Department of Pharmaceutical Analysis, School of Pharmacy, Air Force Medical University, Xi'an, 710032, PR China
| | - Xu Shao
- Department of Chemistry, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, 710072, PR China
| | - Qi Shu
- Department of Chemistry, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, 710072, PR China
| | - Xiaoling Hu
- Department of Chemistry, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, 710072, PR China
| | - Ping Guan
- Department of Chemistry, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, 710072, PR China
| | - Yonggang Teng
- Department of Thoracic Surgery, The Second Affiliated Hospital of Air Force Medical University, Xi'an, China
| | - Yuan Cheng
- Monash Suzhou Research Institute, Suzhou, 215123, PR China
- Department of Mechanical and Aerospace Engineering, Monash University, Clayton Victoria, 3800, Melbourne, Australia
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29
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Estfanous S, Daily KP, Eltobgy M, Deems NP, Anne MNK, Krause K, Badr A, Hamilton K, Carafice C, Hegazi A, Abu Khweek A, Kelani H, Nimjee S, Awad H, Zhang X, Cormet-Boyaka E, Haffez H, Soror S, Mikhail A, Nuovo G, Barrientos RM, Gavrilin MA, Amer AO. Elevated Expression of MiR-17 in Microglia of Alzheimer's Disease Patients Abrogates Autophagy-Mediated Amyloid-β Degradation. Front Immunol 2021; 12:705581. [PMID: 34426734 PMCID: PMC8379081 DOI: 10.3389/fimmu.2021.705581] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 06/30/2021] [Indexed: 01/18/2023] Open
Abstract
Autophagy is a proposed route of amyloid-β (Aβ) clearance by microglia that is halted in Alzheimer’s Disease (AD), though mechanisms underlying this dysfunction remain elusive. Here, primary microglia from adult AD (5xFAD) mice were utilized to demonstrate that 5xFAD microglia fail to degrade Aβ and express low levels of autophagy cargo receptor NBR1. In 5xFAD mouse brains, we show for the first time that AD microglia express elevated levels of microRNA cluster Mirc1/Mir17-92a, which is known to downregulate autophagy proteins. By in situ hybridization in post-mortem AD human tissue sections, we observed that the Mirc1/Mir17-92a cluster member miR-17 is also elevated in human AD microglia, specifically in the vicinity of Aβ deposits, compared to non-disease controls. We show that NBR1 expression is negatively correlated with expression of miR-17 in human AD microglia via immunohistopathologic staining in human AD brain tissue sections. We demonstrate in healthy microglia that autophagy cargo receptor NBR1 is required for Aβ degradation. Inhibiting elevated miR-17 in 5xFAD mouse microglia improves Aβ degradation, autophagy, and NBR1 puncta formation in vitro and improves NBR1 expression in vivo. These findings offer a mechanism behind dysfunctional autophagy in AD microglia which may be useful for therapeutic interventions aiming to improve autophagy function in AD.
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Affiliation(s)
- Shady Estfanous
- Department of Microbial Infection and Immunity, Infectious Diseases Institute, The Heart and Lung Research Institute, Ohio State University, Columbus, OH, United States.,Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo, Egypt
| | - Kylene P Daily
- Department of Microbial Infection and Immunity, Infectious Diseases Institute, The Heart and Lung Research Institute, Ohio State University, Columbus, OH, United States
| | - Mostafa Eltobgy
- Department of Microbial Infection and Immunity, Infectious Diseases Institute, The Heart and Lung Research Institute, Ohio State University, Columbus, OH, United States
| | - Nicholas P Deems
- Institute for Behavioral Medicine Research, Ohio State University, Columbus, OH, United States
| | - Midhun N K Anne
- Department of Microbial Infection and Immunity, Infectious Diseases Institute, The Heart and Lung Research Institute, Ohio State University, Columbus, OH, United States
| | - Kathrin Krause
- Department of Microbial Infection and Immunity, Infectious Diseases Institute, The Heart and Lung Research Institute, Ohio State University, Columbus, OH, United States.,Max Planck Unit for the Science of Pathogens, Berlin, Germany
| | - Asmaa Badr
- Department of Microbial Infection and Immunity, Infectious Diseases Institute, The Heart and Lung Research Institute, Ohio State University, Columbus, OH, United States
| | - Kaitlin Hamilton
- Department of Microbial Infection and Immunity, Infectious Diseases Institute, The Heart and Lung Research Institute, Ohio State University, Columbus, OH, United States
| | - Cierra Carafice
- Department of Microbial Infection and Immunity, Infectious Diseases Institute, The Heart and Lung Research Institute, Ohio State University, Columbus, OH, United States
| | - Ahmad Hegazi
- Department of Microbial Infection and Immunity, Infectious Diseases Institute, The Heart and Lung Research Institute, Ohio State University, Columbus, OH, United States
| | - Arwa Abu Khweek
- Department of Microbial Infection and Immunity, Infectious Diseases Institute, The Heart and Lung Research Institute, Ohio State University, Columbus, OH, United States.,Department of Biology and Biochemistry, Birzeit University, West Bank, Palestine
| | - Hesham Kelani
- Department of Anesthesiology, Wexner Medical Center, The Ohio State University, Columbus, OH, United States
| | - Shahid Nimjee
- Department of Neurological Surgery, Wexner Medical Center, The Ohio State University, Columbus, OH, United States
| | - Hamdy Awad
- Department of Anesthesiology, Wexner Medical Center, The Ohio State University, Columbus, OH, United States
| | - Xiaoli Zhang
- Center for Biostatistics, Ohio State University, Columbus, OH, United States
| | - Estelle Cormet-Boyaka
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, United States
| | - Hesham Haffez
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo, Egypt.,Center of Excellence, Helwan Structure Biology Research, Cairo, Egypt
| | - Sameh Soror
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo, Egypt.,Center of Excellence, Helwan Structure Biology Research, Cairo, Egypt
| | - Adel Mikhail
- GNOME DIAGNOSTICS, Department of Scientific Research, Powell, OH, United States
| | - Gerard Nuovo
- GNOME DIAGNOSTICS, Department of Scientific Research, Powell, OH, United States
| | - Ruth M Barrientos
- Institute for Behavioral Medicine Research, Ohio State University, Columbus, OH, United States
| | - Mikhail A Gavrilin
- Department of Internal Medicine, Ohio State University, Columbus, OH, United States
| | - Amal O Amer
- Department of Microbial Infection and Immunity, Infectious Diseases Institute, The Heart and Lung Research Institute, Ohio State University, Columbus, OH, United States
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30
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Torres KM, Delgado AS, Serrano ER, Falcón-Cruz NV, Meléndez A, Ramos I, Du D, Oyola R. Gallium nanoparticles as novel inhibitors of Aβ40 aggregation. MATERIALS ADVANCES 2021; 2:5471-5478. [PMID: 34458846 PMCID: PMC8366391 DOI: 10.1039/d1ma00461a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 07/07/2021] [Indexed: 06/13/2023]
Abstract
Alzheimer's disease (AD) has been consistently related to the formation of senile amyloid plaques mainly composed of amyloid β (Aβ) peptides. The toxicity of Aβ aggregates has been indicated to be responsible for AD pathology. One scenario to decrease Aβ toxicity is the development of effective inhibitors against Aβ amyloid formation. In this study, we investigate the effect of gallium nitride nanoparticles (GaN NPs) as inhibitors of Aβ40 amyloid formation using a combination of biophysical approaches. Our results show that the lag phase of Aβ40 aggregation kinetics is significantly retarded by GaN NPs in a concentration dependent manner, implying the activity of GaN NPs in interfering with the formation of the crucial nucleus during Aβ aggregation. Our results also show that GaN NPs can reduce the amyloid fibril elongation rate in the course of the aggregation kinetics. It is speculated that the high polarization characteristics of GaN NPs may provoke a strong interaction between the particles and Aβ40 peptide and in this way decrease self-association of the peptide monomers to form amyloids.
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Affiliation(s)
- Kyabeth M Torres
- University of Puerto Rico-Humacao, Department of Biology, Call Box 860 Humacao 00792 PR USA
| | - Ambar S Delgado
- University of Puerto Rico-Humacao, Department of Biology, Call Box 860 Humacao 00792 PR USA
| | - Erika R Serrano
- University of Puerto Rico-Humacao, Department of Chemistry, Call Box 860 Humacao 00792 PR USA
| | - Nitza V Falcón-Cruz
- University of Puerto Rico-Humacao, Department of Chemistry, Call Box 860 Humacao 00792 PR USA
| | - Anamaris Meléndez
- University of Puerto Rico-Humacao, Department of Physics & Electronics, Call Box 860 Humacao 00792 PR USA
| | - Idalia Ramos
- University of Puerto Rico-Humacao, Department of Physics & Electronics, Call Box 860 Humacao 00792 PR USA
| | - Deguo Du
- Florida Atlantic University, Department of Chemistry & Biochemistry Boca Raton 33431 FL USA
| | - Rolando Oyola
- University of Puerto Rico-Humacao, Department of Chemistry, Call Box 860 Humacao 00792 PR USA
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Sun C, Xiao Y, Li J, Ge B, Chen X, Liu H, Zheng T. Nonenzymatic function of DPP4 in diabetes-associated mitochondrial dysfunction and cognitive impairment. Alzheimers Dement 2021; 18:966-987. [PMID: 34374497 DOI: 10.1002/alz.12437] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 06/27/2021] [Accepted: 07/05/2021] [Indexed: 12/25/2022]
Abstract
Dipeptidyl peptidase-4 (DPP4) has been proven to exert its functions by both enzymatic and nonenzymatic pathways. The nonenzymatic function of DPP4 in diabetes-associated cognitive impairment remains unexplored. We determined DPP4 protein concentrations or its enzymatic activity in type 2 diabetic patients and db/db mice and tested the impact of the non-enzymatic function of DPP4 on mitochondrial dysfunction and cognitive impairment both in vivo and in vitro. The results show that increased DPP4 activity was an independent risk factor for incident mild cognitive impairment (MCI) in type 2 diabetic patients. In addition, DPP4 was highly expressed in the hippocampus of db/db mice and contributed to mitochondria dysfunction and cognitive impairment. Mechanistically, DPP4 might bind to PAR2 in the hippocampus and trigger GSK-3β activation, which downregulates peroxisome proliferator-activated receptor gamma coactivator 1 alpha expression and leads to mitochondria dysfunction, thereby promoting cognitive impairment in diabetes. Our findings indicate that the nonenzymatic function of DPP4 might promote mitochondrial dysfunction and cognitive impairment in diabetes.
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Affiliation(s)
- Cunwei Sun
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, P. R. China.,Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin, Guangxi, P. R. China.,Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical University, Guilin, Guangxi, P. R. China
| | - Yanhua Xiao
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, P. R. China.,Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin, Guangxi, P. R. China
| | - Jiaxiu Li
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, P. R. China.,Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin, Guangxi, P. R. China
| | - Bo Ge
- Department of Urology, The Second Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, P. R. China
| | - Xu Chen
- College of Pharmacy, Guilin Medical University, Guilin, Guangxi, P. R. China
| | - Hongbo Liu
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, P. R. China
| | - Tianpeng Zheng
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, P. R. China.,Guangxi Key Laboratory of Diabetic Systems Medicine, Guilin Medical University, Guilin, Guangxi, P. R. China.,Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical University, Guilin, Guangxi, P. R. China.,Guangxi Health Commission Key Laboratory of Glucose and Lipid Metabolism Disorders, The Second Affiliated Hospital of Guilin Medical University, Guilin, Guangxi, P. R. China
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Zhang L, Sun H, Zhao J, Lee J, Ee Low L, Gong L, Chen Y, Wang N, Zhu C, Lin P, Liang Z, Wei M, Ling D, Li F. Dynamic nanoassemblies for imaging and therapy of neurological disorders. Adv Drug Deliv Rev 2021; 175:113832. [PMID: 34146626 DOI: 10.1016/j.addr.2021.113832] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 05/07/2021] [Accepted: 06/11/2021] [Indexed: 02/07/2023]
Abstract
The past decades have witnessed an increased incidence of neurological disorders (NDs) such as Alzheimer's disease, Parkinson's disease, Huntington's disease, amyotrophic lateral sclerosis, ischemic stroke, and epilepsy, which significantly lower patients' life quality and increase the economic and social burden. Recently, nanomedicines composed of imaging and/or therapeutic agents have been explored to diagnose and/or treat NDs due to their enhanced bioavailability, blood-brain barrier (BBB) permeability, and targeting capacity. Intriguingly, dynamic nanoassemblies self-assembled from functional nanoparticles to simultaneously interfere with multiple pathogenic substances and pathological changes, have been regarded as one of the foremost candidates to improve the diagnostic and therapeutic efficacy of NDs. To help readers better understand this emerging field, in this review, the pathogenic mechanism of different types of NDs is briefly introduced, then the functional nanoparticles used as building blocks in the construction of dynamic nanoassemblies for NDs theranostics are summarized. Furthermore, dynamic nanoassemblies that can actively cross the BBB to target brain lesions, sensitively and efficiently diagnose or treat NDs, and effectively promote neuroregeneration are highlighted. Finally, we conclude with our perspectives on the future development in this field.
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Shen J, Lu Z, Wang J, Hao Q, Ji W, Wu Y, Peng H, Zhao R, Yang J, Li Y, Shi Z, Zhang X. Traceable Nano-Biohybrid Complexes by One-Step Synthesis as CRISPR-Chem Vectors for Neurodegenerative Diseases Synergistic Treatment. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2101993. [PMID: 34046943 DOI: 10.1002/adma.202101993] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 03/26/2021] [Indexed: 06/12/2023]
Abstract
Abnormal protein aggregations are essential pathological features of neurodegenerative diseases. Eliminating while inhibiting the regeneration of these protein aggregates is considered an effective treatment strategy. Herein, the CRISPR/Cas9 gene-editing tool is employed to inhibit the regeneration of disease-related proteins, while chemical drugs are applied to eliminate the proteins that are produced. To efficiently deliver CRISPR-chem drugs into brain lesions, traceable nano-biohybrid complexes (F-TBIO) are constructed by one-step synthesis and CRISPR/Cas9 plasmids (CF-TBIO) are loaded in a controllable manner. CF-TBIO can knock out the BACE1 gene and reduce the burden of amyloid-β, and thereby significantly improve the cognitive abilities of 2xTg-AD mice. In particular, by prolonging the dosing interval, the pathological damage and behavioral abilities of 2xTg-AD mice are still significantly improved. During the therapeutic process, CF-TBIO with a high relaxation rate provides accurate imaging signals in the complex brain physiological environment. The finding shows that CF-TBIO has great potential to serve as a CRISPR-chem drug-delivery platform for neurodegenerative diseases therapy.
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Affiliation(s)
- Jie Shen
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Zhiguo Lu
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jianze Wang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Qiulian Hao
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Weihong Ji
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yanyue Wu
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Huan Peng
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Ruichen Zhao
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jun Yang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Yan Li
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Zhuyan Shi
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Xin Zhang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
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Liu P, Zhang T, Chen Q, Li C, Chu Y, Guo Q, Zhang Y, Zhou W, Chen H, Zhou Z, Wang Y, Zhao Z, Luo Y, Li X, Song H, Su B, Li C, Sun T, Jiang C. Biomimetic Dendrimer-Peptide Conjugates for Early Multi-Target Therapy of Alzheimer's Disease by Inflammatory Microenvironment Modulation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2100746. [PMID: 33998706 DOI: 10.1002/adma.202100746] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 03/27/2021] [Indexed: 06/12/2023]
Abstract
Current therapeutic strategies for Alzheimer's disease (AD) treatments mainly focus on β-amyloid (Aβ) targeting. However, such therapeutic strategies have limited clinical outcomes due to the chronic and irreversible impairment of the nervous system in the late stage of AD. Recently, inflammatory responses, manifested in oxidative stress and glial cell activation, have been reported as hallmarks in the early stages of AD. Based on the crosstalk between inflammatory response and brain cells, a reactive oxygen species (ROS)-responsive dendrimer-peptide conjugate (APBP) is devised to target the AD microenvironment and inhibit inflammatory responses at an early stage. With the modification of the targeting peptide, this nanoconjugate can efficiently deliver peptides to the infected regions and restore the antioxidant ability of neurons by activating the nuclear factor (erythroid-derived 2)-like 2 signaling pathway. Moreover, this multi-target strategy exhibits a synergistic function of ROS scavenging, promoting Aβ phagocytosis, and normalizing the glial cell phenotype. As a result, the nanoconjugate can reduce ROS level, decrease Aβ burden, alleviate glial cell activation, and eventually enhance cognitive functions in APPswe/PSEN1dE9 model mice. These results indicate that APBP can be a promising candidate for the multi-target treatment of AD.
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Affiliation(s)
- Peixin Liu
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Tongyu Zhang
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Qinjun Chen
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Chao Li
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Yongchao Chu
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Qin Guo
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Yiwen Zhang
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Wenxi Zhou
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Hongyi Chen
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Zheng Zhou
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Yu Wang
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Zhenhao Zhao
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Yifan Luo
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Xuwen Li
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Haolin Song
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Boyu Su
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Chufeng Li
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Tao Sun
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Chen Jiang
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Department of Pharmaceutics School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
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Ouyang Q, Meng Y, Zhou W, Tong J, Cheng Z, Zhu Q. New advances in brain-targeting nano-drug delivery systems for Alzheimer's disease. J Drug Target 2021; 30:61-81. [PMID: 33983096 DOI: 10.1080/1061186x.2021.1927055] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Alzheimer's disease (AD) is the most common neurodegenerative disease worldwide and its incidence is increasing due to the ageing population. Currently, the main limitations of AD treatment are low blood-brain barrier permeability, severe off-target of drugs, and immune abnormality. In this review, four hypotheses for Alzheimer's pathogenesis and three challenges for Alzheimer's drug delivery are discussed. In addition, this article summarises the different strategies of brain targeting nano-drug delivery systems (NDDSs) developed in the last 10 years. These strategies include receptor-mediated (transferrin receptor, low-density lipoprotein receptor-related protein, lactoferrin receptor, etc.), adsorption-mediated (cationic, alkaline polypeptide, cell-penetrating peptides, etc.), and transporter-mediated (P-gp, GLUT1, etc.). Moreover, it provides insights into novel strategies used in AD, such as exosomes, virus-like particles, and cell membrane coating particles. Hence, this review will help researchers to understand the current progress in the field of NDDSs for the central nervous system and find new directions for AD therapy.HighlightsCharacteristics and challenges based on the pathogenesis of AD were discussed.Recent advances in novel brain-targeting NDDSs for AD over the past 10 years were summarised.
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Affiliation(s)
- Qin Ouyang
- Xiangya School of Pharmaceutical Sciences in Central South University, Changsha, Hunan, China
| | - Yingcai Meng
- Xiangya School of Pharmaceutical Sciences in Central South University, Changsha, Hunan, China
| | - Wenhu Zhou
- Xiangya School of Pharmaceutical Sciences in Central South University, Changsha, Hunan, China
| | - Jianbin Tong
- Department of Anaesthesiology, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China.,Hunan Province Key Laboratory of Brain Homeostasis, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Zeneng Cheng
- Xiangya School of Pharmaceutical Sciences in Central South University, Changsha, Hunan, China
| | - Qubo Zhu
- Xiangya School of Pharmaceutical Sciences in Central South University, Changsha, Hunan, China
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Vinuesa A, Pomilio C, Gregosa A, Bentivegna M, Presa J, Bellotto M, Saravia F, Beauquis J. Inflammation and Insulin Resistance as Risk Factors and Potential Therapeutic Targets for Alzheimer's Disease. Front Neurosci 2021; 15:653651. [PMID: 33967682 PMCID: PMC8102834 DOI: 10.3389/fnins.2021.653651] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 03/31/2021] [Indexed: 12/21/2022] Open
Abstract
Overnutrition and modern diets containing high proportions of saturated fat are among the major factors contributing to a low-grade state of inflammation, hyperglycemia and dyslipidemia. In the last decades, the global rise of type 2 diabetes and obesity prevalence has elicited a great interest in understanding how changes in metabolic function lead to an increased risk for premature brain aging and the development of neurodegenerative disorders such as Alzheimer's disease (AD). Cognitive impairment and decreased neurogenic capacity could be a consequence of metabolic disturbances. In these scenarios, the interplay between inflammation and insulin resistance could represent a potential therapeutic target to prevent or ameliorate neurodegeneration and cognitive impairment. The present review aims to provide an update on the impact of metabolic stress pathways on AD with a focus on inflammation and insulin resistance as risk factors and therapeutic targets.
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Affiliation(s)
- Angeles Vinuesa
- Laboratorio de Neurobiología del Envejecimiento, Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Carlos Pomilio
- Laboratorio de Neurobiología del Envejecimiento, Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Amal Gregosa
- Laboratorio de Neurobiología del Envejecimiento, Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Melisa Bentivegna
- Laboratorio de Neurobiología del Envejecimiento, Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Jessica Presa
- Laboratorio de Neurobiología del Envejecimiento, Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Melina Bellotto
- Laboratorio de Neurobiología del Envejecimiento, Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Flavia Saravia
- Laboratorio de Neurobiología del Envejecimiento, Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Juan Beauquis
- Laboratorio de Neurobiología del Envejecimiento, Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
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Ji W, Li Y, Liu R, Lu Z, Liu L, Shi Z, Shen J, Zhang X. Synaptic vesicle-inspired nanoparticles with spatiotemporally controlled release ability as a "nanoguard" for synergistic treatment of synucleinopathies. MATERIALS HORIZONS 2021; 8:1199-1206. [PMID: 34821912 DOI: 10.1039/d0mh01542c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Synaptic vesicle-inspired nanoparticles (RT-PPB NPs) as a "nanoguard" were designed for clearing the toxic α-synuclein aggregates in diseased neurons and preventing the culprits from escaping to affect other normal cells. The NPs could overcome a series of tissue and cellular barriers and controllably release drugs in the diseased neurons, which ensured the optimization of synergistic treatment. This study indicates that the synaptic vesicle-inspired NPs may have the potential to open up a new avenue for the treatment of synucleinopathies, as well as other neurodegenerative diseases.
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Affiliation(s)
- Weihong Ji
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, P. R. China.
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Abbas M. Potential Role of Nanoparticles in Treating the Accumulation of Amyloid-Beta Peptide in Alzheimer's Patients. Polymers (Basel) 2021; 13:1051. [PMID: 33801619 PMCID: PMC8036916 DOI: 10.3390/polym13071051] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/20/2021] [Accepted: 03/22/2021] [Indexed: 12/18/2022] Open
Abstract
The disorder of Alzheimer's is marked by progressive pathophysiological neurodegeneration. The amino acid peptides in the amyloid plaques found in the brains of people with Alzheimer's disease (AD) are known as amyloid-beta (Aβ). Current treatments are not curative, and the effects associated with AD are reduced. Improving treatment results involved the targeting of drugs at optimum therapeutic concentration. Nanotechnology is seen as an unconventional, modern technology that plays a key role in the treatment of Alzheimer's disease. Using nanoparticles, molecular detection, effective drug targeting, and their combination offer high sensitivity. The aim of this review is to shed light on the function and successful role of nanoparticles to resolve Aβ aggregation and thus to help cure Alzheimer's disease. The analysis divides these nanoparticles into three categories: polymer, lipid, and gold nanoparticles. A thorough comparison was then made between the nanoparticles, which are used according to their role, properties, and size in the procedure. The nanoparticles can prevent the accumulation of Aβ during the efficient delivery of the drug to the cells to treat Alzheimer's disease. Furthermore, this comparison demonstrated the ability of these nanoparticles to deal efficiently with Alzheimer's disease. The role of these nanoparticles varied from delivering the drug to brain cells to dealing with the disease-causing peptide.
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Affiliation(s)
- Mohamed Abbas
- Department of Electrical Engineering, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia;
- Department of Computers and Communications, College of Engineering, Delta University for Science and Technology, Gamasa 35712, Egypt
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39
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Yu D, Liu C, Zhang H, Ren J, Qu X. Glycoengineering artificial receptors for microglia to phagocytose Aβ aggregates. Chem Sci 2021; 12:4963-4969. [PMID: 34163743 PMCID: PMC8179537 DOI: 10.1039/d0sc07067j] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Oligomeric and fibrillar amyloid-β (Aβ) are principally internalized via receptor-mediated endocytosis (RME) by microglia, the main scavenger of Aβ in the brain. Nevertheless, the inflammatory cascade will be evoked after vast Aβ aggregate binding to pattern recognition receptors on the cell membrane, which then significantly decreases the expression of these receptors and further deteriorate Aβ deposition. This vicious circle will weaken the ability of microglia for Aβ elimination. Herein, a combination of metabolic glycoengineering and self-triggered click chemistry is utilized to engineer microglial membranes with ThS as artificial Aβ receptors to promote microglia to phagocytose Aβ aggregates. Additionally, to circumvent the undesirable immune response during the process of the bioorthogonal chemistry reaction and Aβ-microglial interaction, Mn-porphyrin metal–organic frameworks (Mn-MOFs) with superoxide dismutase (SOD) and catalase (CAT) mimic activity are employed to carry N-azidoacetylmannosamine (AcManNAz) and eradicate over-expressed reactive oxygen species (ROSs). The artificial Aβ receptors independent of a signal pathway involved in immunomodulation as well as Mn-MOFs with antioxidant properties can synergistically promote the phagocytosis and clearance of Aβ with significantly enhanced activity and negligible adverse effects. The present study will not only provide valuable insight into the rational design of the microglial surface engineering strategy via bioorthogonal chemistry, but also hold great potential for other disease intervention associated with receptor starvation. A combination of metabolic glycoengineering and self-triggered click chemistry is utilized to engineer a microglial membrane with ThS as artificial Aβ receptors to promote microglia to phagocytose Aβ aggregates.![]()
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Affiliation(s)
- Dongqin Yu
- Laboratory of Chemical Biology, State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun Jilin 130022 P. R. China .,University of Science and Technology of China Hefei Anhui 230029 P. R. China
| | - Chun Liu
- Laboratory of Chemical Biology, State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun Jilin 130022 P. R. China .,University of Science and Technology of China Hefei Anhui 230029 P. R. China
| | - Haochen Zhang
- Laboratory of Chemical Biology, State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun Jilin 130022 P. R. China .,University of Science and Technology of China Hefei Anhui 230029 P. R. China
| | - Jinsong Ren
- Laboratory of Chemical Biology, State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun Jilin 130022 P. R. China .,University of Science and Technology of China Hefei Anhui 230029 P. R. China
| | - Xiaogang Qu
- Laboratory of Chemical Biology, State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun Jilin 130022 P. R. China .,University of Science and Technology of China Hefei Anhui 230029 P. R. China
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Thangudu S, Cheng FY, Su CH. Advancements in the Blood-Brain Barrier Penetrating Nanoplatforms for Brain Related Disease Diagnostics and Therapeutic Applications. Polymers (Basel) 2020; 12:E3055. [PMID: 33419339 PMCID: PMC7766280 DOI: 10.3390/polym12123055] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/15/2020] [Accepted: 12/16/2020] [Indexed: 12/11/2022] Open
Abstract
Noninvasive treatments to treat the brain-related disorders have been paying more significant attention and it is an emerging topic. However, overcoming the blood brain barrier (BBB) is a key obstacle to most of the therapeutic drugs to enter into the brain tissue, which significantly results in lower accumulation of therapeutic drugs in the brain. Thus, administering the large quantity/doses of drugs raises more concerns of adverse side effects. Nanoparticle (NP)-mediated drug delivery systems are seen as potential means of enhancing drug transport across the BBB and to targeted brain tissue. These systems offer more accumulation of therapeutic drugs at the tumor site and prolong circulation time in the blood. In this review, we summarize the current knowledge and advancements on various nanoplatforms (NF) and discusses the use of nanoparticles for successful cross of BBB to treat the brain-related disorders such as brain tumors, Alzheimer's disease, Parkinson's disease, and stroke.
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Affiliation(s)
- Suresh Thangudu
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan;
| | - Fong-Yu Cheng
- Department of Chemistry, Chinese Culture University, Taipei 111, Taiwan
| | - Chia-Hao Su
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan;
- Department of Biomedical Imaging and Radiological Sciences, National Yang Ming University, Taipei 112, Taiwan
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Shen J, Lu Z, Wang J, Zhang T, Yang J, Li Y, Liu G, Zhang X. Advances of Nanoparticles for Leukemia Treatment. ACS Biomater Sci Eng 2020; 6:6478-6489. [PMID: 33320613 DOI: 10.1021/acsbiomaterials.0c01040] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Leukemia is a liquid tumor caused by a hematopoietic stem cell malignant clone, which seriously affects the normal function of the hematopoietic system. Conventional drugs have poor therapeutic effects due to their poor specificity and stability. With the development of nanotechnology, nonviral nanoparticles bring hope for the efficient treatment of leukemia. Nanoparticles are easily modified. They can be designed to target lesion sites and control drug release. Thereby, nanoparticles can improve the effects of drugs and reduce side effects. This review mainly focuses on and summarizes the current research progress of nanoparticles to deliver different leukemia therapeutic drugs, as to demonstrate the potential of nanoparticles in leukemia treatment.
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Affiliation(s)
- Jie Shen
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, PR China.,School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Zhiguo Lu
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, PR China.,School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Jianze Wang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, PR China
| | - Tianlu Zhang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, PR China
| | - Jun Yang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, PR China
| | - Yan Li
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, PR China
| | - Guiying Liu
- Department of Pediatrics, Capital Medical University Affiliated Beijing Anzhen Hospital, Beijing, 100029, PR China
| | - Xin Zhang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, PR China
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Alarmins and c-Jun N-Terminal Kinase (JNK) Signaling in Neuroinflammation. Cells 2020; 9:cells9112350. [PMID: 33114371 PMCID: PMC7693759 DOI: 10.3390/cells9112350] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 10/08/2020] [Accepted: 10/21/2020] [Indexed: 02/07/2023] Open
Abstract
Neuroinflammation is involved in the progression or secondary injury of multiple brain conditions, including stroke and neurodegenerative diseases. Alarmins, also known as damage-associated molecular patterns, are released in the presence of neuroinflammation and in the acute phase of ischemia. Defensins, cathelicidin, high-mobility group box protein 1, S100 proteins, heat shock proteins, nucleic acids, histones, nucleosomes, and monosodium urate microcrystals are thought to be alarmins. They are released from damaged or dying cells and activate the innate immune system by interacting with pattern recognition receptors. Being principal sterile inflammation triggering agents, alarmins are considered biomarkers and therapeutic targets. They are recognized by host cells and prime the innate immune system toward cell death and distress. In stroke, alarmins act as mediators initiating the inflammatory response after the release from the cellular components of the infarct core and penumbra. Increased c-Jun N-terminal kinase (JNK) phosphorylation may be involved in the mechanism of stress-induced release of alarmins. Putative crosstalk between the alarmin-associated pathways and JNK signaling seems to be inherently interwoven. This review outlines the role of alarmins/JNK-signaling in cerebral neurovascular inflammation and summarizes the complex response of cells to alarmins. Emerging anti-JNK and anti-alarmin drug treatment strategies are discussed.
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Das R, Chinnathambi S. Actin-mediated Microglial Chemotaxis via G-Protein Coupled Purinergic Receptor in Alzheimer's Disease. Neuroscience 2020; 448:325-336. [PMID: 32941933 DOI: 10.1016/j.neuroscience.2020.09.024] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 09/05/2020] [Accepted: 09/07/2020] [Indexed: 02/08/2023]
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease mainly associated with aging, oxidative stress and genetic mutations. There are two pathological proteins involved in AD; Amyloid-β peptide and microtubule-associated protein Tau (MAPT). The β- and γ-secretase enzyme cleaves the Amyloid precursor protein, which results in the formation of extracellular plaques in brain. While, Tau undergoes hyperphosphorylation and other post-translational modifications (PTMs), which eventually generates Tau oligomers, and intracellular neurofibrillary tangles (NFTs) in neurons. Moreover, the brain-resident glia and infiltrated macrophages elevate the level of CNS inflammation, which trigger the oxidative damage of neuronal circuits by reactive oxygen species (ROS) and Nitric oxide (NO). Microglia is the primary immune cell in the CNS, which is continuously surveilling the neuronal synapses and pathogen invasion. Microglia in the resting state is called 'Ramified', which possess long surveilling extensions with a small cell body. But, upon activation, microglia retracts the cellular extensions and transform into round migratory cells, called as 'Amoeboid' state. Activated microglia undergoes actin remodeling by forming lamellipodia and filopodia, which directs the migratory axis while podosomes formed are involved in extracellular matrix degradation for invasion. Protein-aggregates in malfunctioning synapses and in CNS milieu can be detected by microglia, which results in its activation and migration. Subsequently, the phagocytosis of synapses leads to the inflammatory burst and memory loss. The extracellular nucleotides released from damaged neurons and the cytokine-chemokine gradients allow the neighboring microglia and macrophages to migrate-infiltrate at the site of neuronal-damage. The ionotropic (P2XR) and metabotropic (P2YR) purinergic receptor recognize extracellular ATP/ADP, which propagates through the intracellular calcium signaling, chemotaxis, phagocytosis and inflammation. The P2Y receptors give 'find me' or 'eat me' signals to microglia to either migrate or phagocytose cellular debris. Further, the actin cytoskeleton helps microglia to mediate directed chemotaxis and neuronal repair during neurodegeneration. Hence, we aim to emphasize the connection between purinergic signaling and actin-driven mechanical movements of microglia for migration and inflammation in AD.
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Affiliation(s)
- Rashmi Das
- Neurobiology Group, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, 411008 Pune, India; Academy of Scientific and Innovative Research (AcSIR), 411008 Pune, India
| | - Subashchandrabose Chinnathambi
- Neurobiology Group, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, 411008 Pune, India; Academy of Scientific and Innovative Research (AcSIR), 411008 Pune, India.
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A dual mode nanophotonics concept for in situ activation of brain immune cells using a photoswitchable yolk-shell upconversion nanoformulation. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2020; 29:102279. [PMID: 32750495 DOI: 10.1016/j.nano.2020.102279] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 07/17/2020] [Accepted: 07/21/2020] [Indexed: 01/10/2023]
Abstract
Here, we introduce a nanophotonics concept for optically triggered activation of microglia. Specifically, we synthesized a yolk-shell structured mesoporous silica coated core-shell upconverting nanoparticles (UCNP@ysSiO2). The nanoparticles are loaded with microglia activators-bacterial lipopolysaccharide (LPS) together with indocyanine green (ICG), and then capped with β-cyclodextrin (CD) via selective affinity of this compound to photoswitchable azobenzene (Azo). Upon exposure to NIR light, and subsequent trans- to cis photoisomerization of the Azo group induced by the upconversion light, dissociation of β-CD produces the release of LPS. The released LPS activates microglia through a toll-like receptor 4 mediated pathway, while ICG excited by its absorption of the 800 nm upconversion light, produces local heating, thus synergistically activating microglia through heat shock proteins. We propose that the controlled activation of microglia with deep tissue penetrating NIR triggered drug release, may provide a new strategy for in situ treatment of many brain diseases.
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Lu Z, Wang J, Qu L, Kan G, Zhang T, Shen J, Li Y, Yang J, Niu Y, Xiao Z, Li Y, Zhang X. Reactive mesoporous silica nanoparticles loaded with limonene for improving physical and mental health of mice at simulated microgravity condition. Bioact Mater 2020; 5:1127-1137. [PMID: 32743123 PMCID: PMC7381505 DOI: 10.1016/j.bioactmat.2020.07.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 07/13/2020] [Accepted: 07/14/2020] [Indexed: 02/03/2023] Open
Abstract
Astronauts are under high stress for a long time because of the microgravity condition, which leads to anxiety, affects their learning and memory abilities, and seriously impairs the health of astronauts. Aromatherapy can improve the physical and mental health of astronauts in a way that moisturizes them softly and silently. However, the strong volatility of fragrances and inconvenience of aroma treatment greatly limit their application in the field of spaceflight. In this study, reactive mesoporous silica nanoparticles were prepared to encapsulate and slowly release limonene. The limonene loaded nanoparticles were named limonene@mesoporous silica nanoparticles-cyanuric chloride (LE@MSNs-CYC). LE@MSNs-CYC were then applied to wallpaper to improve the convenience of aromatherapy. LE@MSNs-CYC could chemically react with the wallpaper, thus firmly adsorbed on the wallpaper. In the following, the mice were treated with hindlimb unloading (HU) to simulate a microgravity environment. The results showed that 28-day HU led to an increase in the level of anxiety and declines in learning, memory, and physical health in mice. LE@MSNs-CYC showed significant relief effects on anxiety, learning, memory, and physical health of HU treated mice. Subsequently, the molecular mechanisms were explored by hypothalamic-pituitary-adrenal axis related hormones, immune-related cytokines, learning, and memory-related neurotransmitters and proteins. Large-scale industrial production and cost-effective fabrication of reactive nanofragrance. Strong adhesion of nanofragrance on substrate through covalent bonds. Improvement of physical and mental health under simulated microgravity condition in moisten things softly and silently.
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Affiliation(s)
- Zhiguo Lu
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, PR China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Jianze Wang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, PR China
| | - Lina Qu
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, 100094, China
| | - Guanghan Kan
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, 100094, China
| | - Tianlu Zhang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, PR China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Jie Shen
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, PR China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Yan Li
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, PR China
| | - Jun Yang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, PR China
| | - Yunwei Niu
- Shanghai Research Institute of Fragrance and Flavor Industry, Shanghai, 200232, PR China
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, Shanghai, 200233, PR China
| | - Zuobing Xiao
- Shanghai Research Institute of Fragrance and Flavor Industry, Shanghai, 200232, PR China
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, Shanghai, 200233, PR China
| | - Yinghui Li
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, 100094, China
- Corresponding author.
| | - Xin Zhang
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, PR China
- Corresponding author.
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Hanif S, Muhammad P, Chesworth R, Rehman FU, Qian RJ, Zheng M, Shi BY. Nanomedicine-based immunotherapy for central nervous system disorders. Acta Pharmacol Sin 2020; 41:936-953. [PMID: 32467570 PMCID: PMC7468531 DOI: 10.1038/s41401-020-0429-z] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Accepted: 04/22/2020] [Indexed: 12/15/2022] Open
Abstract
Central nervous system (CNS) disorders represent a broad spectrum of brain ailments with short- and long-term disabilities, and nanomedicine-based approaches provide a new therapeutic approach to treating CNS disorders. A variety of potential drugs have been discovered to treat several neuronal disorders; however, their therapeutic success can be limited by the presence of the blood-brain barrier (BBB). Furthermore, unique immune functions within the CNS provide novel target mechanisms for the amelioration of CNS diseases. Recently, various therapeutic approaches have been applied to fight brain-related disorders, with moderate outcomes. Among the various therapeutic strategies, nanomedicine-based immunotherapeutic systems represent a new era that can deliver useful cargo with promising pharmacokinetics. These approaches exploit the molecular and cellular targeting of CNS disorders for enhanced safety, efficacy, and specificity. In this review, we focus on the efficacy of nanomedicines that utilize immunotherapy to combat CNS disorders. Furthermore, we detailed summarize nanomedicine-based pathways for CNS ailments that aim to deliver drugs across the BBB by mimicking innate immune actions. Overview of how nanomedicines can utilize multiple immunotherapy pathways to combat CNS disorders. ![]()
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