1
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Lei T, Yang Z, Li H, Qin M, Gao H. Interactions between nanoparticles and pathological changes of vascular in Alzheimer's disease. Adv Drug Deliv Rev 2024; 207:115219. [PMID: 38401847 DOI: 10.1016/j.addr.2024.115219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 02/16/2024] [Accepted: 02/20/2024] [Indexed: 02/26/2024]
Abstract
Emerging evidence suggests that vascular pathological changes play a pivotal role in the pathogenesis of Alzheimer's disease (AD). The dysfunction of the cerebral vasculature occurs in the early course of AD, characterized by alterations in vascular morphology, diminished cerebral blood flow (CBF), impairment of the neurovascular unit (NVU), vasculature inflammation, and cerebral amyloid angiopathy. Vascular dysfunction not only facilitates the influx of neurotoxic substances into the brain, triggering inflammation and immune responses but also hampers the efflux of toxic proteins such as Aβ from the brain, thereby contributing to neurodegenerative changes in AD. Furthermore, these vascular changes significantly impact drug delivery and distribution within the brain. Therefore, developing targeted delivery systems or therapeutic strategies based on vascular alterations may potentially represent a novel breakthrough in AD treatment. This review comprehensively examines various aspects of vascular alterations in AD and outlines the current interactions between nanoparticles and pathological changes of vascular.
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Affiliation(s)
- Ting Lei
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, West China School of Pharmacy, Mental Health Center and National Chengdu Center for Safety Evaluation of Drugs, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Zixiao Yang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, West China School of Pharmacy, Mental Health Center and National Chengdu Center for Safety Evaluation of Drugs, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Hanmei Li
- School of Food and Biological Engineering, Chengdu University, Chengdu 610106, China
| | - Meng Qin
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, West China School of Pharmacy, Mental Health Center and National Chengdu Center for Safety Evaluation of Drugs, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Huile Gao
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, West China School of Pharmacy, Mental Health Center and National Chengdu Center for Safety Evaluation of Drugs, West China Hospital, Sichuan University, Chengdu 610041, China.
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2
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Parekh P, Badachhape AA, Tanifum EA, Annapragada AV, Ghaghada KB. Advances in nanoprobes for molecular MRI of Alzheimer's disease. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2024; 16:e1946. [PMID: 38426638 PMCID: PMC10983770 DOI: 10.1002/wnan.1946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 01/11/2024] [Accepted: 01/30/2024] [Indexed: 03/02/2024]
Abstract
Alzheimer's disease is the most common cause of dementia and a leading cause of mortality in the elderly population. Diagnosis of Alzheimer's disease has traditionally relied on evaluation of clinical symptoms for cognitive impairment with a definitive diagnosis requiring post-mortem demonstration of neuropathology. However, advances in disease pathogenesis have revealed that patients exhibit Alzheimer's disease pathology several decades before the manifestation of clinical symptoms. Magnetic resonance imaging (MRI) plays an important role in the management of patients with Alzheimer's disease. The clinical availability of molecular MRI (mMRI) contrast agents can revolutionize the diagnosis of Alzheimer's disease. In this article, we review advances in nanoparticle contrast agents, also referred to as nanoprobes, for mMRI of Alzheimer's disease. This article is categorized under: Diagnostic Tools > In Vivo Nanodiagnostics and Imaging Therapeutic Approaches and Drug Discovery > Nanomedicine for Neurological Disease.
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Affiliation(s)
- Parag Parekh
- Department of Radiology, Baylor College of Medicine, Houston, Texas 77030
- Department of Radiology, Texas Children's Hospital, Houston, Texas 77030
| | - Andrew A. Badachhape
- Department of Radiology, Baylor College of Medicine, Houston, Texas 77030
- Department of Radiology, Texas Children's Hospital, Houston, Texas 77030
| | - Eric A. Tanifum
- Department of Radiology, Baylor College of Medicine, Houston, Texas 77030
- Department of Radiology, Texas Children's Hospital, Houston, Texas 77030
| | - Ananth V. Annapragada
- Department of Radiology, Baylor College of Medicine, Houston, Texas 77030
- Department of Radiology, Texas Children's Hospital, Houston, Texas 77030
| | - Ketan B. Ghaghada
- Department of Radiology, Baylor College of Medicine, Houston, Texas 77030
- Department of Radiology, Texas Children's Hospital, Houston, Texas 77030
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3
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Gao C, Liu Y, Zhang TL, Luo Y, Gao J, Chu JJ, Gong BF, Chen XH, Yin T, Zhang J, Yin Y. Biomembrane-Derived Nanoparticles in Alzheimer's Disease Therapy: A Comprehensive Review of Synthetic Lipid Nanoparticles and Natural Cell-Derived Vesicles. Int J Nanomedicine 2023; 18:7441-7468. [PMID: 38090364 PMCID: PMC10712251 DOI: 10.2147/ijn.s436774] [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: 09/20/2023] [Accepted: 11/16/2023] [Indexed: 12/18/2023] Open
Abstract
Current therapies for Alzheimer's disease used in the clinic predominantly focus on reducing symptoms with limited capability to control disease progression; thus, novel drugs are urgently needed. While nanoparticles (liposomes, high-density lipoprotein-based nanoparticles) constructed with synthetic biomembranes have shown great potential in AD therapy due to their excellent biocompatibility, multifunctionality and ability to penetrate the BBB, nanoparticles derived from natural biomembranes (extracellular vesicles, cell membrane-based nanoparticles) display inherent biocompatibility, stability, homing ability and ability to penetrate the BBB, which may present a safer and more effective treatment for AD. In this paper, we reviewed the synthetic and natural biomembrane-derived nanoparticles that are used in AD therapy. The challenges associated with the clinical translation of biomembrane-derived nanoparticles and future perspectives are also discussed.
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Affiliation(s)
- Chao Gao
- Department of Neurology, Second Affiliated Hospital (Shanghai Changzheng Hospital) of Naval Medical University, Shanghai, People’s Republic of China
| | - Yan Liu
- Department of Clinical Pharmacy, Shanghai Jiao Tong University of Medicine, Shanghai, People’s Republic of China
| | - Ting-Lin Zhang
- Changhai Clinical Research Unit, Shanghai Changhai Hospital of Naval Medical University, Shanghai, People’s Republic of China
| | - Yi Luo
- Department of Clinical Pharmacy, Shanghai Jiao Tong University of Medicine, Shanghai, People’s Republic of China
- New Drug Discovery and Development, Biotheus Inc., Zhuhai, People’s Republic of China
| | - Jie Gao
- Changhai Clinical Research Unit, Shanghai Changhai Hospital of Naval Medical University, Shanghai, People’s Republic of China
| | - Jian-Jian Chu
- Department of Neurology, Second Affiliated Hospital (Shanghai Changzheng Hospital) of Naval Medical University, Shanghai, People’s Republic of China
| | - Bao-Feng Gong
- Department of Neurology, Second Affiliated Hospital (Shanghai Changzheng Hospital) of Naval Medical University, Shanghai, People’s Republic of China
| | - Xiao-Han Chen
- Department of Neurology, Second Affiliated Hospital (Shanghai Changzheng Hospital) of Naval Medical University, Shanghai, People’s Republic of China
| | - Tong Yin
- Department of Neurology, Second Affiliated Hospital (Shanghai Changzheng Hospital) of Naval Medical University, Shanghai, People’s Republic of China
| | - Jian Zhang
- Department of Clinical Pharmacy, Shanghai Jiao Tong University of Medicine, Shanghai, People’s Republic of China
| | - You Yin
- Department of Neurology, Second Affiliated Hospital (Shanghai Changzheng Hospital) of Naval Medical University, Shanghai, People’s Republic of China
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Nguyen TT, Nguyen-Thi PT, Nguyen THA, Ho TT, Tran NMA, Van Vo T, Van Vo G. Recent Advancements in Nanomaterials: A Promising Way to Manage Neurodegenerative Disorders. Mol Diagn Ther 2023; 27:457-473. [PMID: 37217723 DOI: 10.1007/s40291-023-00654-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/30/2023] [Indexed: 05/24/2023]
Abstract
Neurodegenerative diseases (NDs) such as dementia, Alzheimer's disease, Parkinson's disease, frontotemporal dementia, and amyotrophic lateral sclerosis are some of the most prevalent disorders currently afflicting healthcare systems. Many of these diseases share similar pathological hallmarks, including elevated oxidative stress, mitochondrial dysfunction, protein misfolding, excitotoxicity, and neuroinflammation, all of which contribute to the deterioration of the nervous system's structure and function. The development of diagnostic and therapeutic materials in the monitoring and treatment of these diseases remains challenging. One of the biggest challenges facing therapeutic and diagnostic materials is the blood-brain barrier (BBB). The BBB is a multifunctional membrane possessing a plethora of biochemical, cellular, and immunological features that ensure brain homeostasis by preventing the entry and accumulation of unwanted compounds. With regards to neurodegenerative diseases, the recent application of tailored nanomaterials (nanocarriers and nanoparticles) has led to advances in diagnostics and therapeutics. In this review, we provide an overview of commonly used nanoparticles and their applications in NDs, which may offer new therapeutic strategies for the prevention and treatment of neurodegenerative diseases.
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Affiliation(s)
- Thuy Trang Nguyen
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, Ho Chi Minh City, 71420, Vietnam
| | | | - Thi Hong Anh Nguyen
- Ho Chi Minh City University of Food Industry (HUFI), 140 Le Trong Tan Street, Tay Thanh Ward, Tan Phu District, Ho Chi Minh City, 700000, Vietnam
| | - Thanh-Tam Ho
- Institute for Global Health Innovations, Duy Tan University, Da Nang, 550000, Vietnam.
- Faculty of Pharmacy, Duy Tan University, Da Nang, 550000, Vietnam.
| | - Nguyen-Minh-An Tran
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, Ho Chi Minh City, 71420, Vietnam
| | - Toi Van Vo
- Tissue Engineering and Regenerative Medicine Department, School of Biomedical Engineering, International University, Ho Chi Minh City, 700000, Vietnam.
- Vietnam National University Ho Chi Minh City (VNU-HCM), Ho Chi Minh City, 700000, Vietnam.
| | - Giau Van Vo
- Department of Biomedical Engineering, School of Medicine, Vietnam National University Ho Chi Minh City (VNU-HCM), Ho Chi Minh City, 700000, Vietnam.
- Research Center for Genetics and Reproductive Health (CGRH), School of Medicine, Vietnam National University, Ho Chi Minh City (VNU-HCM), Ho Chi Minh City, 700000, Vietnam.
- Vietnam National University Ho Chi Minh City (VNU-HCM), Ho Chi Minh City, 700000, Vietnam.
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Lawal SK, Olojede SO, Faborode OS, Aladeyelu OS, Matshipi MN, Sulaiman SO, Naidu ECS, Rennie CO, Azu OO. Nanodelivery of antiretroviral drugs to nervous tissues. Front Pharmacol 2022; 13:1025160. [DOI: 10.3389/fphar.2022.1025160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 10/25/2022] [Indexed: 11/10/2022] Open
Abstract
Despite the development of effective combined antiretroviral therapy (cART), the neurocognitive impairments associated with human immunodeficiency virus (HIV) remain challenging. The presence of the blood-brain barrier (BBB) and blood-cerebrospinal fluid barrier (BCFB) impedes the adequate penetration of certain antiretroviral drugs into the brain. In addition, reports have shown that some antiretroviral drugs cause neurotoxicity resulting from their interaction with nervous tissues due to long-term systemic exposure. Therefore, the research into the effective therapeutic modality that would cater for the HIV-associated neurocognitive disorders (HAND) and ART toxicity is now receiving broad research attention. Thus, this review explores the latest information in managing HAND using a nanoparticle drug delivery system (NDDS). We discussed the neurotoxicity profile of various approved ART. Also, we explained the applications of silver nanoparticles (AgNPs) in medicine, their different synthesis methods and their interaction with nervous tissues. Lastly, while proposing AgNPs as useful nanoparticles in properly delivering ART to enhance effectiveness and minimize neurocognitive disorders, we hypothesize that the perceived toxicity of AgNPs could be minimized by taking appropriate precautions. One such precaution is using appropriate reducing and stabilizing agents such as trisodium citrate to reduce silver ion Ag + to ground state Ag0 during the synthesis. Also, the usage of medium-sized, spherical-shaped AgNPs is encouraged in AgNPs-based drug delivery to the brain due to their ability to deliver therapeutic agents across BBB. In addition, characterization and functionalization of the synthesized AgNPs are required during the drug delivery approach. Putting all these factors in place would minimize toxicity and enhance the usage of AgNPs in delivering therapeutic agents across the BBB to the targeted brain tissue and could cater for the HIV-associated neurocognitive disorders and neurotoxic effects of antiretroviral drugs (ARDs).
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Boafo GF, Magar KT, Ekpo MD, Qian W, Tan S, Chen C. The Role of Cryoprotective Agents in Liposome Stabilization and Preservation. Int J Mol Sci 2022; 23:ijms232012487. [PMID: 36293340 PMCID: PMC9603853 DOI: 10.3390/ijms232012487] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/22/2022] [Accepted: 10/15/2022] [Indexed: 11/18/2022] Open
Abstract
To improve liposomes’ usage as drug delivery vehicles, cryoprotectants can be utilized to prevent constituent leakage and liposome instability. Cryoprotective agents (CPAs) or cryoprotectants can protect liposomes from the mechanical stress of ice by vitrifying at a specific temperature, which forms a glassy matrix. The majority of studies on cryoprotectants demonstrate that as the concentration of the cryoprotectant is increased, the liposomal stability improves, resulting in decreased aggregation. The effectiveness of CPAs in maintaining liposome stability in the aqueous state essentially depends on a complex interaction between protectants and bilayer composition. Furthermore, different types of CPAs have distinct effective mechanisms of action; therefore, the combination of several cryoprotectants may be beneficial and novel attributed to the synergistic actions of the CPAs. In this review, we discuss the use of liposomes as drug delivery vehicles, phospholipid–CPA interactions, their thermotropic behavior during freezing, types of CPA and their mechanism for preventing leakage of drugs from liposomes.
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Affiliation(s)
- George Frimpong Boafo
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
| | - Kosheli Thapa Magar
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Marlene Davis Ekpo
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
| | - Wang Qian
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
| | - Songwen Tan
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
- Correspondence: (S.T.); (C.C.)
| | - Chuanpin Chen
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
- Correspondence: (S.T.); (C.C.)
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Mashal Y, Abdelhady H, Iyer AK. Comparison of Tau and Amyloid-β Targeted Immunotherapy Nanoparticles for Alzheimer’s Disease. Biomolecules 2022; 12:biom12071001. [PMID: 35883556 PMCID: PMC9313310 DOI: 10.3390/biom12071001] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 07/06/2022] [Accepted: 07/12/2022] [Indexed: 02/04/2023] Open
Abstract
Alzheimer’s disease (AD) is a rapidly growing global concern associated with the accumulation of amyloid-β plaques and intracellular neurofibrillary tangles in the brain combined with a high acetylcholinesterase activity. AD diagnosis is usually made too late, when patients have an extensive neuronal death, and brain damage is irreversible. Several therapeutic targets have been defined mainly related to two hypotheses of AD: the tau hypothesis and the amyloid-β hypothesis. Here, we intend to investigate and to compare different therapeutic approaches for AD, mainly based on nanoparticles (NPs) targeted at the brain and at the pathological hallmarks of the disease. We analyzed preclinical trials that have successfully improved drug bioavailability in the brain by using targeted nanocarriers towards either tau, amyloid-β, or both. We then compared these trials to find out which protein is more efficient in therapeutic targeting. We found that the search for a cure was mostly based on the amyloid-β hypothesis, with Aβ dysplasia emerging as the most confirmed and convincing therapeutic target. Targeted NPs have proven useful to enhance both the bioavailability and the performance of therapies against AD in animal models. A better understanding of AD mechanisms will help the successful application of targeted NPs for combined therapies.
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Affiliation(s)
- Yara Mashal
- Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI 48201, USA;
- International Academy East, Troy, MI 48085, USA
| | - Hosam Abdelhady
- Department of Physiology & Pharmacology, College of Osteopathic Medicine, Sam Houston State University, Conroe, TX 77304, USA
- Correspondence: (H.A.); (A.K.I.); Tel.: +1-936-202-5221 (H.A.); +1-313-577-5875 (A.K.I.)
| | - Arun K. Iyer
- Department of Pharmaceutical Sciences, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI 48201, USA;
- Correspondence: (H.A.); (A.K.I.); Tel.: +1-936-202-5221 (H.A.); +1-313-577-5875 (A.K.I.)
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Parekh P, Mu Q, Badachhape A, Bhavane R, Srivastava M, Devkota L, Sun X, Bhandari P, Eriksen JL, Tanifum E, Ghaghada K, Annapragada A. A surrogate marker for very early-stage tau pathology is detectable by molecular magnetic resonance imaging. Theranostics 2022; 12:5504-5521. [PMID: 35910789 PMCID: PMC9330526 DOI: 10.7150/thno.72258] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 07/02/2022] [Indexed: 01/30/2023] Open
Abstract
The abnormal phosphorylation of tau is a necessary precursor to the formation of tau fibrils, a marker of Alzheimer's disease. We hypothesize that hyperphosphorylative conditions may result in unique cell surface markers. We identify and demonstrate the utility of such surrogate markers to identify the hyperphosphorylative state. Methods: Cell SELEX was used to identify novel thioaptamers specifically binding hyperphosphorylative cells. Cell surface vimentin was identified as a potential binding target of the aptamer. Novel molecular magnetic resonance imaging (M-MRI) probes using these aptamers and a small molecule ligand to vimentin were used for in vivo detection of this pre-pathological state. Results: In a mouse model of pathological tau, we demonstrated in vivo visualization of the hyperphosphorylative state by M-MRI, enabling the identification at a pre-pathological stage of mice that develop frank tau pathology several months later. In vivo visualization of the hyperphosphorylative state by M-MRI was further validated in a second mouse model (APP/PS1) of Alzheimer's disease again identifying the mutants at a pre-pathological stage. Conclusions: M-MRI of the hyperphosphorylative state identifies future tau pathology and could enable extremely early-stage diagnosis of Alzheimer's disease, at a pre-patholgical stage.
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Affiliation(s)
| | - Qingshan Mu
- Baylor College of Medicine, Houston, TX, USA
| | | | | | | | | | - Xianwei Sun
- Baylor College of Medicine, Houston, TX, USA
| | | | | | - Eric Tanifum
- Texas Children's Hospital/Baylor College of Medicine, Houston, TX, USA
| | - Ketan Ghaghada
- Texas Children's Hospital/Baylor College of Medicine, Houston, TX, USA
| | - Ananth Annapragada
- Texas Children's Hospital/Baylor College of Medicine, Houston, TX, USA,✉ Corresponding author:
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Hernandez C, Shukla S. Liposome based drug delivery as a potential treatment option for Alzheimer's disease. Neural Regen Res 2022; 17:1190-1198. [PMID: 34782553 PMCID: PMC8643057 DOI: 10.4103/1673-5374.327328] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Alzheimer's disease is a neurodegenerative condition leading to atrophy of the brain and robbing nearly 5.8 million individuals in the United States age 65 and older of their cognitive functions. Alzheimer's disease is associated with dementia and a progressive decline in memory, thinking, and social skills, eventually leading to a point that the individual can no longer perform daily activities independently. Currently available drugs on the market temporarily alleviate the symptoms, however, they are not successful in slowing down the progression of Alzheimer's disease. Treatment and cures have been constricted due to the difficulty of drug delivery to the blood-brain barrier. Several studies have led to identification of vesicles to transport the necessary drugs through the blood-brain barrier that would typically not achieve the targeted area through systemic delivered medications. Recently, liposomes have emerged as a viable drug delivery agent to transport drugs that are not able to cross the blood-brain barrier. Liposomes are being used as a component of nanoparticle drug delivery; due to their biocompatible nature; and possessing the capability to carry both lipophilic and hydrophilic therapeutic agents across the blood brain barrier into the brain cells. Studies indicate the importance of liposomal based drug delivery in treatment of neurodegenerative disorders. The idea is to encapsulate the drugs inside the properly engineered liposome to generate a response of treatment. Liposomes are engineered to target specific diseased moieties and also several surface modifications of liposomes are under research to create a clinical path to the management of Alzheimer's disease. This review deals with Alzheimer's disease and emphasize on challenges associated with drug delivery to the brain, and how liposomal drug delivery can play an important role as a drug delivery method for the treatment of Alzheimer's disease. This review also sheds some light on variation of liposomes. Additionally, it emphasizes on the liposomal formulations which are currently researched or used for treatment of Alzheimer's disease and also discusses the future prospect of liposomal based drug delivery in Alzheimer's disease.
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Affiliation(s)
- Carely Hernandez
- Department of Pharmaceutical Sciences, College of Pharmacy, Larkin University, Miami, FL, USA
| | - Surabhi Shukla
- Department of Pharmaceutical Sciences, College of Pharmacy, Larkin University, Miami, FL, USA
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Han L, Jiang C. Evolution of blood-brain barrier in brain diseases and related systemic nanoscale brain-targeting drug delivery strategies. Acta Pharm Sin B 2021; 11:2306-2325. [PMID: 34522589 PMCID: PMC8424230 DOI: 10.1016/j.apsb.2020.11.023] [Citation(s) in RCA: 130] [Impact Index Per Article: 43.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 09/30/2020] [Accepted: 10/09/2020] [Indexed: 02/07/2023] Open
Abstract
Blood–brain barrier (BBB) strictly controls matter exchange between blood and brain, and severely limits brain penetration of systemically administered drugs, resulting in ineffective drug therapy of brain diseases. However, during the onset and progression of brain diseases, BBB alterations evolve inevitably. In this review, we focus on nanoscale brain-targeting drug delivery strategies designed based on BBB evolutions and related applications in various brain diseases including Alzheimer's disease, Parkinson's disease, epilepsy, stroke, traumatic brain injury and brain tumor. The advances on optimization of small molecules for BBB crossing and non-systemic administration routes (e.g., intranasal treatment) for BBB bypassing are not included in this review.
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Key Words
- AD, Alzheimer's disease
- AMT, alpha-methyl-l-tryptophan
- Aβ, amyloid beta
- BACE1, β-secretase 1
- BBB, blood–brain barrier
- BDNF, brain derived neurotrophic factor
- BTB, blood–brain tumor barrier
- Blood–brain barrier
- Brain diseases
- Brain-targeting
- CMT, carrier-mediated transportation
- DTPA-Gd, Gd-diethyltriaminepentaacetic acid
- Drug delivery systems
- EPR, enhanced permeability and retention
- GLUT1, glucose transporter-1
- Gd, gadolinium
- ICAM-1, intercellular adhesion molecule-1
- KATP, ATP-sensitive potassium channels
- KCa, calcium-dependent potassium channels
- LAT1, L-type amino acid transporter 1
- LDL, low density lipoprotein
- LDLR, LDL receptor
- LFA-1, lymphocyte function associated antigen-1
- LRP1, LDLR-related protein 1
- MFSD2A, major facilitator superfamily domain-containing protein 2a
- MMP9, metalloproteinase-9
- MRI, magnetic resonance imaging
- NPs, nanoparticles
- Nanoparticles
- P-gp, P-glycoprotein
- PD, Parkinson's disease
- PEG, polyethyleneglycol
- PEG-PLGA, polyethyleneglycol-poly(lactic-co-glycolic acid)
- PLGA, poly(lactic-co-glycolic acid)
- PSMA, prostate-specific membrane antigen
- RAGE, receptor for advanced glycosylation end products
- RBC, red blood cell
- RMT, receptor-mediated transcytosis
- ROS, reactive oxygen species
- TBI, traumatic brain injury
- TJ, tight junction
- TfR, transferrin receptor
- VEGF, vascular endothelial growth factor
- ZO1, zona occludens 1
- siRNA, short interfering RNA
- tPA, tissue plasminogen activator
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Affiliation(s)
- Liang Han
- Jiangsu Key Laboratory of Neuropsychiatric Diseases Research, College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, China
- Corresponding author. Tel./fax: +86 512 65882089.
| | - Chen Jiang
- Key Laboratory of Smart Drug Delivery, Ministry of Education, State Key Laboratory of Medical Neurobiology, Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 200032, China
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Huang Y, Chang Y, Liu L, Wang J. Nanomaterials for Modulating the Aggregation of β-Amyloid Peptides. Molecules 2021; 26:4301. [PMID: 34299575 PMCID: PMC8305396 DOI: 10.3390/molecules26144301] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 07/09/2021] [Accepted: 07/09/2021] [Indexed: 12/13/2022] Open
Abstract
The aberrant aggregation of amyloid-β (Aβ) peptides in the brain has been recognized as the major hallmark of Alzheimer's disease (AD). Thus, the inhibition and dissociation of Aβ aggregation are believed to be effective therapeutic strategiesforthe prevention and treatment of AD. When integrated with traditional agents and biomolecules, nanomaterials can overcome their intrinsic shortcomings and boost their efficiency via synergistic effects. This article provides an overview of recent efforts to utilize nanomaterials with superior properties to propose effective platforms for AD treatment. The underlying mechanismsthat are involved in modulating Aβ aggregation are discussed. The summary of nanomaterials-based modulation of Aβ aggregation may help researchers to understand the critical roles in therapeutic agents and provide new insight into the exploration of more promising anti-amyloid agents and tactics in AD theranostics.
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Affiliation(s)
- Yaliang Huang
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China;
- Henan Province of Key Laboratory of New Optoelectronic Functional Materials, College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China;
| | - Yong Chang
- Henan Province of Key Laboratory of New Optoelectronic Functional Materials, College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China;
| | - Lin Liu
- Henan Province of Key Laboratory of New Optoelectronic Functional Materials, College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China;
| | - Jianxiu Wang
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China;
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12
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Lima PHCD, Butera AP, Cabeça LF, Ribeiro-Viana RM. Liposome surface modification by phospholipid chemical reactions. Chem Phys Lipids 2021; 237:105084. [PMID: 33891960 DOI: 10.1016/j.chemphyslip.2021.105084] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 03/17/2021] [Accepted: 04/16/2021] [Indexed: 12/13/2022]
Abstract
Liposomal systems are well known for playing an important role as drug carriers, presenting several therapeutic applications in different sectors, such as in drug delivery, diagnosis, and in many other academic areas. A novel class of this nanoparticle is the actively target liposome, which is constructed with the surface modified with appropriated molecules (or ligands) to actively bind a target molecule of certain cells, system, or tissue. There are many ways to functionalize these nanostructures, from non-covalent adsorption to covalent bond formation. In this review, we focus on the strategies of modifying liposomes by glycerophospholipid covalent chemical reaction. The approach used in this text summarizes the main reactions and strategies used in phospholipid modification that can be carried out by chemists and researchers from other areas. The knowledge of these methodologies is of great importance for planning new studies using this material and also for manipulating its properties.
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Affiliation(s)
- Pedro Henrique Correia de Lima
- Programa de Pós-graduação em Ciências e Engenharia de Materiais (PPGCEM-UTFPR), Universidade Tecnológica Federal do Paraná, UTFPR-Ld, CEP 86036-370, Londrina, PR, Brazil
| | - Anna Paola Butera
- Departamento de Química, Universidade Estadual de Londrina, UEL, CEP 86051-980, Londrina, PR, Brazil
| | - Luis Fernando Cabeça
- Programa de Pós-graduação em Ciências e Engenharia de Materiais (PPGCEM-UTFPR), Universidade Tecnológica Federal do Paraná, UTFPR-Ld, CEP 86036-370, Londrina, PR, Brazil; Departamento Acadêmico de Química, Universidade Tecnológica Federal do Paraná, UTFPR-Ld, CEP 86036-370, Londrina, PR, Brazil
| | - Renato Márcio Ribeiro-Viana
- Programa de Pós-graduação em Ciências e Engenharia de Materiais (PPGCEM-UTFPR), Universidade Tecnológica Federal do Paraná, UTFPR-Ld, CEP 86036-370, Londrina, PR, Brazil; Departamento Acadêmico de Química, Universidade Tecnológica Federal do Paraná, UTFPR-Ld, CEP 86036-370, Londrina, PR, Brazil.
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13
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Srivastava S, Ahmad R, Khare SK. Alzheimer's disease and its treatment by different approaches: A review. Eur J Med Chem 2021; 216:113320. [PMID: 33652356 DOI: 10.1016/j.ejmech.2021.113320] [Citation(s) in RCA: 153] [Impact Index Per Article: 51.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 02/04/2021] [Accepted: 02/13/2021] [Indexed: 12/13/2022]
Abstract
Alzheimer's disease (AD) is a neurodegenerative disorder that impairs mental ability development and interrupts neurocognitive function. This neuropathological condition is depicted by neurodegeneration, neural loss, and development of neurofibrillary tangles and Aβ plaques. There is also a greater risk of developing AD at a later age for people with cardiovascular diseases, hypertension and diabetes. In the biomedical sciences, effective treatment for Alzheimer's disease is a severe obstacle. There is no such treatment to cure Alzheimer's disease. The drug present in the market show only symptomatic relief. The cause of Alzheimer's disease is not fully understood and the blood-brain barrier restricts drug efficacy are two main factors that hamper research. Stem cell-based therapy has been seen as an effective, secure, and creative therapeutic solution to overcoming AD because of AD's multifactorial nature and inadequate care. Current developments in nanotechnology often offer possibilities for the delivery of active drug candidates to address certain limitations. The key nanoformulations being tested against AD include polymeric nanoparticles (NP), inorganic NPs and lipid-based NPs. Nano drug delivery systems are promising vehicles for targeting several therapeutic moieties by easing drug molecules' penetration across the CNS and improving their bioavailability. In this review, we focus on the causes of the AD and their treatment by different approaches.
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Affiliation(s)
- Sukriti Srivastava
- Enzyme and Microbial Biochemistry Laboratory, Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Razi Ahmad
- Enzyme and Microbial Biochemistry Laboratory, Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Sunil Kumar Khare
- Enzyme and Microbial Biochemistry Laboratory, Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India.
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14
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Zhang L, Sun H, Chen Y, Wei M, Lee J, Li F, Ling D. Functional nanoassemblies for the diagnosis and therapy of Alzheimer's diseases. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2021; 13:e1696. [PMID: 33463089 DOI: 10.1002/wnan.1696] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 12/23/2020] [Accepted: 12/26/2020] [Indexed: 12/19/2022]
Abstract
Alzheimer's disease (AD) is a progressive neurodegenerative disease that affects populations around the world. Many therapeutics have been investigated for AD diagnosis and/or therapy, but the efficacy is largely limited by the poor bioavailability of drugs and by the presence of the blood-brain barrier. Recently, the development of nanomedicines enables efficient drug delivery to the brain, but the complex pathological mechanism of AD prevents them from successful treatment. As a type of advanced nanomedicine, multifunctional nanoassemblies self-assembled from nanoscale imaging or therapeutic agents can simultaneously target multiple pathological factors, showing great potential in the diagnosis and therapy of AD. To help readers better understand this emerging field, in this review, we first introduce the pathological mechanisms and the potential drug candidates of AD, as well as the design strategies of nanoassemblies for improving AD targeting efficiency. Moreover, the progress of dynamic nanoassemblies that can diagnose and/or treat AD in response to the endogenous or exogenous stimuli will be described. Finally, we conclude with our perspectives on the future development in this field. The objective of this review is to outline the latest progress of using nanoassemblies to overcome the complex pathological environment of AD for improved diagnosis and therapy, in hopes of accelerating the future development of intelligent AD nanomedicines. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Neurological Disease Diagnostic Tools > in vivo Nanodiagnostics and Imaging.
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Affiliation(s)
- Lingxiao Zhang
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Heng Sun
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
- Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Ying Chen
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Min Wei
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Jiyoung Lee
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Fangyuan Li
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
- Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
- Key Laboratory of Biomedical Engineering of the Ministry of Education, College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China
| | - Daishun Ling
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
- Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
- Key Laboratory of Biomedical Engineering of the Ministry of Education, College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China
- National Center for Translational Medicine, Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, China
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15
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Nguyen TT, Vo TK, Vo GV. Therapeutic Strategies and Nano-Drug Delivery Applications in Management of Aging Alzheimer's Disease. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1286:183-198. [PMID: 33725354 DOI: 10.1007/978-3-030-55035-6_13] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Alzheimer's disease (AD) is a neurodegenerative disorder in which the death of brain cells causes memory loss and cognitive decline. Existing drugs only suppress symptoms or delay further deterioration but do not address the cause of the disease. In spite of screening numerous drug candidates against various molecular targets of AD, only a few candidates, such as acetylcholinesterase inhibitors, are currently utilized as an effective clinical therapy. Currently, nano-based therapies can make a difference, providing new therapeutic options by helping drugs to cross the blood-brain barrier and enter the brain more effectively. The main aim of this review was to highlight advances in research on the development of nano-based therapeutics for improved treatment of AD.
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Affiliation(s)
- Thuy Trang Nguyen
- Faculty of Pharmacy, Ho Chi Minh City University of Technology (HUTECH), Ho Chi Minh City, Vietnam
| | - Tuong Kha Vo
- Vietnam Sports Hospital, Ministry of Culture, Sports and Tourism, Hanoi, Vietnam
| | - Giau Van Vo
- Department of Industrial and Environmental Engineering, Gachon University, Seongnam-si, South Korea. .,Department of Bionano Technology, Gachon University, Seongnam-si, South Korea. .,School of Medicine, Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam.
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16
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Zorkina Y, Abramova O, Ushakova V, Morozova A, Zubkov E, Valikhov M, Melnikov P, Majouga A, Chekhonin V. Nano Carrier Drug Delivery Systems for the Treatment of Neuropsychiatric Disorders: Advantages and Limitations. Molecules 2020; 25:E5294. [PMID: 33202839 PMCID: PMC7697162 DOI: 10.3390/molecules25225294] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 11/09/2020] [Accepted: 11/11/2020] [Indexed: 12/11/2022] Open
Abstract
Neuropsychiatric diseases are one of the main causes of disability, affecting millions of people. Various drugs are used for its treatment, although no effective therapy has been found yet. The blood brain barrier (BBB) significantly complicates drugs delivery to the target cells in the brain tissues. One of the problem-solving methods is the usage of nanocontainer systems. In this review we summarized the data about nanoparticles drug delivery systems and their application for the treatment of neuropsychiatric disorders. Firstly, we described and characterized types of nanocarriers: inorganic nanoparticles, polymeric and lipid nanocarriers, their advantages and disadvantages. We discussed ways to interact with nerve tissue and methods of BBB penetration. We provided a summary of nanotechnology-based pharmacotherapy of schizophrenia, bipolar disorder, depression, anxiety disorder and Alzheimer's disease, where development of nanocontainer drugs derives the most active. We described various experimental drugs for the treatment of Alzheimer's disease that include vector nanocontainers targeted on β-amyloid or tau-protein. Integrally, nanoparticles can substantially improve the drug delivery as its implication can increase BBB permeability, the pharmacodynamics and bioavailability of applied drugs. Thus, nanotechnology is anticipated to overcome the limitations of existing pharmacotherapy of psychiatric disorders and to effectively combine various treatment modalities in that direction.
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Affiliation(s)
- Yana Zorkina
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia; (O.A.); (V.U.); (A.M.); (E.Z.); (M.V.); (P.M.); (V.C.)
- Healthcare Department, Mental-Health Clinic No. 1 Named after N.A. Alexeev of Moscow, 117152 Moscow, Russia
| | - Olga Abramova
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia; (O.A.); (V.U.); (A.M.); (E.Z.); (M.V.); (P.M.); (V.C.)
| | - Valeriya Ushakova
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia; (O.A.); (V.U.); (A.M.); (E.Z.); (M.V.); (P.M.); (V.C.)
- Department of Biology, Lomonosov Moscow State University, 119992 Moscow, Russia
| | - Anna Morozova
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia; (O.A.); (V.U.); (A.M.); (E.Z.); (M.V.); (P.M.); (V.C.)
- Healthcare Department, Mental-Health Clinic No. 1 Named after N.A. Alexeev of Moscow, 117152 Moscow, Russia
| | - Eugene Zubkov
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia; (O.A.); (V.U.); (A.M.); (E.Z.); (M.V.); (P.M.); (V.C.)
| | - Marat Valikhov
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia; (O.A.); (V.U.); (A.M.); (E.Z.); (M.V.); (P.M.); (V.C.)
| | - Pavel Melnikov
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia; (O.A.); (V.U.); (A.M.); (E.Z.); (M.V.); (P.M.); (V.C.)
| | - Alexander Majouga
- D. Mendeleev University of Chemical Technology of Russia, 125047 Moscow, Russia;
| | - Vladimir Chekhonin
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia; (O.A.); (V.U.); (A.M.); (E.Z.); (M.V.); (P.M.); (V.C.)
- Department of Medical Nanobiotechnology, Pirogov Russian National Research Medical University, 117997 Moscow, Russia
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17
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Ulanova M, Poljak A, Wen W, Bongers A, Gloag L, Gooding J, Tilley R, Sachdev P, Braidy N. Nanoparticles as contrast agents for the diagnosis of Alzheimer’s disease: a systematic review. Nanomedicine (Lond) 2020; 15:725-743. [DOI: 10.2217/nnm-2019-0316] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Nanoparticle (NP)-based magnetic contrast agents have opened the potential for MRI to be used for early diagnosis of Alzheimer’s disease (AD). This article aims to review the current progress of research in this field. A comprehensive literature search was performed based on PubMed, Medline, EMBASE, PsychINFO and Scopus databases using the following terms: ‘Alzheimer’s disease’ AND ‘nanoparticles’ AND ‘Magnetic Resonance Imaging.’ 33 studies were included that described the development and utility of various NPs for AD imaging, including their coating, functionalization, MRI relaxivity, toxicity and bioavailability. NPs show immense promise for neuroimaging, due to superior relaxivity and biocompatibility compared with currently available imaging agents. Consistent reporting is imperative for further progress in this field.
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Affiliation(s)
- Marina Ulanova
- Centre for Healthy Brain Ageing, School of Psychiatry, The University of New South Wales, Sydney, NSW, 2052, Australia
| | - Anne Poljak
- Centre for Healthy Brain Ageing, School of Psychiatry, The University of New South Wales, Sydney, NSW, 2052, Australia
- Mark Wainwright Analytical Centre, The University of New South Wales, Sydney, NSW, 2052, Australia
- School of Medical Sciences, The University of New South Wales, Sydney, NSW, 2052, Australia
| | - Wei Wen
- Centre for Healthy Brain Ageing, School of Psychiatry, The University of New South Wales, Sydney, NSW, 2052, Australia
| | - Andre Bongers
- Mark Wainwright Analytical Centre, The University of New South Wales, Sydney, NSW, 2052, Australia
- Biological Resources Imaging Laboratory, Mark Wainwright Analytical Centre, The University of New South Wales, Sydney, NSW, 2052, Australia
| | - Lucy Gloag
- School of Chemistry, The University of New South Wales, Sydney, NSW, 2052, Australia
- Australian Centre for NanoMedicine, The University of New South Wales, Sydney, NSW, 2052, Australia
| | - Justin Gooding
- School of Chemistry, The University of New South Wales, Sydney, NSW, 2052, Australia
- Australian Centre for NanoMedicine, The University of New South Wales, Sydney, NSW, 2052, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science & Technology, The University of New South Wales, Sydney, NSW, 2052, Australia
| | - Richard Tilley
- Mark Wainwright Analytical Centre, The University of New South Wales, Sydney, NSW, 2052, Australia
- School of Chemistry, The University of New South Wales, Sydney, NSW, 2052, Australia
- Australian Centre for NanoMedicine, The University of New South Wales, Sydney, NSW, 2052, Australia
| | - Perminder Sachdev
- Centre for Healthy Brain Ageing, School of Psychiatry, The University of New South Wales, Sydney, NSW, 2052, Australia
- Neuropsychiatric Institute, Euroa Centre, Prince of Wales Hospital, Sydney, NSW, 2052, Australia
| | - Nady Braidy
- Centre for Healthy Brain Ageing, School of Psychiatry, The University of New South Wales, Sydney, NSW, 2052, Australia
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18
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Ghosh S, Lalani R, Patel V, Bhowmick S, Misra A. Surface engineered liposomal delivery of therapeutics across the blood brain barrier: recent advances, challenges and opportunities. Expert Opin Drug Deliv 2019; 16:1287-1311. [DOI: 10.1080/17425247.2019.1676721] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Saikat Ghosh
- Department of Pharmaceutics, Faculty of Pharmacy, Kalabhavan Campus, The Maharaja Sayajirao University of Baroda, Vadodara, India
- Formulation Development Department-Novel Drug Delivery Systems, Sun Pharmaceutical Industries Ltd, Vadodara, India
| | - Rohan Lalani
- Department of Pharmaceutics, Faculty of Pharmacy, Kalabhavan Campus, The Maharaja Sayajirao University of Baroda, Vadodara, India
- Formulation Development Department-Novel Drug Delivery Systems, Sun Pharmaceutical Industries Ltd, Vadodara, India
| | - Vivek Patel
- Department of Pharmaceutics, Faculty of Pharmacy, Kalabhavan Campus, The Maharaja Sayajirao University of Baroda, Vadodara, India
| | - Subhas Bhowmick
- Department of Pharmaceutics, Faculty of Pharmacy, Kalabhavan Campus, The Maharaja Sayajirao University of Baroda, Vadodara, India
- Formulation Development Department-Novel Drug Delivery Systems, Sun Pharmaceutical Industries Ltd, Vadodara, India
| | - Ambikanandan Misra
- Department of Pharmaceutics, Faculty of Pharmacy, Kalabhavan Campus, The Maharaja Sayajirao University of Baroda, Vadodara, India
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19
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Hettiarachchi SD, Zhou Y, Seven E, Lakshmana MK, Kaushik AK, Chand HS, Leblanc RM. Nanoparticle-mediated approaches for Alzheimer's disease pathogenesis, diagnosis, and therapeutics. J Control Release 2019; 314:125-140. [PMID: 31647979 DOI: 10.1016/j.jconrel.2019.10.034] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 10/16/2019] [Accepted: 10/18/2019] [Indexed: 12/18/2022]
Abstract
Alzheimer's disease (AD) is an irreversible and progressive neurodegenerative disorder manifested by memory loss and cognitive impairment. Deposition of the amyloid β plaques has been identified as the most common AD pathology; however, the excessive accumulation of phosphorylated or total tau proteins, reactive oxygen species, and higher acetylcholinesterase activity are also strongly associated with Alzheimer's dementia. Several therapeutic approaches targeting these pathogenic mechanisms have failed in clinical or preclinical trials, partly due to the limited bioavailability, poor cell, and blood-brain barrier penetration, and low drug half-life of current regimens. The nanoparticles (NPs)-mediated drug delivery systems improve drug solubility and bioavailability, thus renders as superior alternatives. Moreover, NPs-mediated approaches facilitate multiple drug loading and targeted drug delivery, thereby increasing drug efficacy. However, certain NPs can cause acute toxicity damaging cellular and tissue architecture, therefore, NP material should be carefully selected. In this review, we summarize the recent NPs-mediated studies that exploit various pathologic mechanisms of AD by labeling, identifying, and treating the affected brain pathologies. The disadvantages of the select NP-based deliveries and the future aspects will also be discussed.
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Affiliation(s)
- Sajini D Hettiarachchi
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, FL, 33146, USA
| | - Yiqun Zhou
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, FL, 33146, USA
| | - Elif Seven
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, FL, 33146, USA
| | - Madepalli K Lakshmana
- Department of Immunology and Nano-Medicine, Herbert Wertheim College of Medicine, Florida International University, 11200 SW 8th Street, Miami, FL 33199, USA
| | - Ajeet K Kaushik
- Department of Natural Sciences, Division of Sciences, Arts & Mathematics, Florida Polytechnic University, Lakeland, FL 33805-8531, USA
| | - Hitendra S Chand
- Department of Immunology and Nano-Medicine, Herbert Wertheim College of Medicine, Florida International University, 11200 SW 8th Street, Miami, FL 33199, USA
| | - Roger M Leblanc
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, FL, 33146, USA
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20
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Kevadiya BD, Ottemann BM, Thomas MB, Mukadam I, Nigam S, McMillan J, Gorantla S, Bronich TK, Edagwa B, Gendelman HE. Neurotheranostics as personalized medicines. Adv Drug Deliv Rev 2019; 148:252-289. [PMID: 30421721 PMCID: PMC6486471 DOI: 10.1016/j.addr.2018.10.011] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 10/22/2018] [Accepted: 10/23/2018] [Indexed: 12/16/2022]
Abstract
The discipline of neurotheranostics was forged to improve diagnostic and therapeutic clinical outcomes for neurological disorders. Research was facilitated, in largest measure, by the creation of pharmacologically effective multimodal pharmaceutical formulations. Deployment of neurotheranostic agents could revolutionize staging and improve nervous system disease therapeutic outcomes. However, obstacles in formulation design, drug loading and payload delivery still remain. These will certainly be aided by multidisciplinary basic research and clinical teams with pharmacology, nanotechnology, neuroscience and pharmaceutic expertise. When successful the end results will provide "optimal" therapeutic delivery platforms. The current report reviews an extensive body of knowledge of the natural history, epidemiology, pathogenesis and therapeutics of neurologic disease with an eye on how, when and under what circumstances neurotheranostics will soon be used as personalized medicines for a broad range of neurodegenerative, neuroinflammatory and neuroinfectious diseases.
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Affiliation(s)
- Bhavesh D Kevadiya
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, USA
| | - Brendan M Ottemann
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, USA
| | - Midhun Ben Thomas
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, USA
| | - Insiya Mukadam
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - Saumya Nigam
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, USA
| | - JoEllyn McMillan
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, USA
| | - Santhi Gorantla
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, USA
| | - Tatiana K Bronich
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE, USA
| | - Benson Edagwa
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, USA
| | - Howard E Gendelman
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE, USA; Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE, USA.
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21
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Xia Y, Xu C, Zhang X, Ning P, Wang Z, Tian J, Chen X. Liposome-based probes for molecular imaging: from basic research to the bedside. NANOSCALE 2019; 11:5822-5838. [PMID: 30888379 DOI: 10.1039/c9nr00207c] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Molecular imaging is very important in disease diagnosis and prognosis. Liposomes are excellent carriers for different types of molecular imaging probes. In this work, we summarize current developments in liposome-based probes used for molecular imaging and their applications in image-guided drug delivery and tumour surgery, including computed tomography (CT), ultrasound imaging (USI), magnetic resonance imaging (MRI), positron emission tomography (PET), fluorescence imaging (FLI) and photoacoustic imaging (PAI). We also summarized liposome-based multimodal imaging probes and new targeting strategies for liposomes. This work will offer guidance for the design of liposome-based imaging probes for future clinical applications.
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Affiliation(s)
- Yuqiong Xia
- Engineering Research Center of Molecular-imaging and Neuro-imaging of Ministry of Education, School of Life Science and Technology, Xidian University, Xi'an, Shaanxi 710126, China.
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22
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Singh R, Geetanjali. Nanoneuromedicines for Neurodegenerative Diseases. NANOSCIENCE &NANOTECHNOLOGY-ASIA 2018; 9:58-63. [DOI: 10.2174/2210681208666171211160433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 06/14/2017] [Accepted: 09/18/2017] [Indexed: 06/15/2023]
Abstract
Introduction:
Neurodegenerative disease is a collective term for a number of diseases
that affect the neurons in the human brain. The location of the neuronal loss in the brain leads to the
specified disease based on the progression of the clinical symptoms. No drugs are available for
complete cure of these diseases. Most of the drugs only slow down the progression of neuronal
damage. The combination of drugs with nanotechnology gave a new promising hope for the treatment
of neurological disorders. Nanomedicines are extremely useful for safe, effective, target oriented
and sustained delivery. Due to their size in nanometer, they possess distinct and improved
properties in comparison to their bulk counterpart. The utility of nanomedicines in neurological
disorders including neurodegenerative diseases constitutes nanoneuromedicines.
Conclusion:
In this article, a comprehensive overview of the application of nanoneuromedicines in
neurodegenerative diseases such as Alzheimer’s Disease (AD), Parkinson’s Disease (PD) and
Amyotrophic Lateral Sclerosis (ALS) is provided.
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Affiliation(s)
- Ram Singh
- Department of Applied Chemistry, Delhi Technological University, Delhi-110 042, India
| | - Geetanjali
- Department of Chemistry, Kirori Mal College, University of Delhi, Delhi-110 007, India
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23
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A Hyperfluorinated Hydrophilic Molecule for Aqueous 19F MRI Contrast Media. CONTRAST MEDIA & MOLECULAR IMAGING 2018; 2018:1693513. [PMID: 30538612 PMCID: PMC6260405 DOI: 10.1155/2018/1693513] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 10/02/2018] [Accepted: 10/09/2018] [Indexed: 12/24/2022]
Abstract
Fluorine-19 (19F) magnetic resonance imaging (MRI) has the potential for a wide range of in vivo applications but is limited by lack of flexibility in exogenous probe formulation. Most 19F MRI probes are composed of perfluorocarbons (PFCs) or perfluoropolyethers (PFPEs) with intrinsic properties which limit formulation options. Hydrophilic organofluorine molecules can provide more flexibility in formulation options. We report herein a hyperfluorinated hydrophilic organoflourine, ET1084, with ∼24 wt. % 19F content. It dissolves in water and aqueous buffers to give solutions with ≥8 M 19F. 19F MRI phantom studies at 9.4T employing a 10-minute multislice multiecho (MSME) scan sequence show a linear increase in signal-to-noise ratio (SNR) with increasing concentrations of the molecule and a detection limit of 5 mM. Preliminary cytotoxicity and genotoxicity assessments suggest it is safe at concentrations of up to 20 mM.
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24
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Ovais M, Zia N, Ahmad I, Khalil AT, Raza A, Ayaz M, Sadiq A, Ullah F, Shinwari ZK. Phyto-Therapeutic and Nanomedicinal Approaches to Cure Alzheimer's Disease: Present Status and Future Opportunities. Front Aging Neurosci 2018; 10:284. [PMID: 30405389 PMCID: PMC6205985 DOI: 10.3389/fnagi.2018.00284] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 08/30/2018] [Indexed: 12/22/2022] Open
Abstract
Alzheimer's disease (AD) is characterized by cognitive inability manifested due to the accumulation of β-amyloid, formation of hyper phosphorylated neurofibrillary tangles, and a malfunctioned cholinergic system. The degeneration integrity of the neuronal network can appear long after the onset of the disease. Nanotechnology-based interventions have opened an exciting area via theranostics of AD in terms of tailored nanomedicine, which are able to target and deliver drugs across the blood-brain barrier (BBB). The exciting interface existing between medicinal plants and nanotechnology is an emerging marvel in medicine, which has delivered promising results in the treatment of AD. In order to assess the potential applications of the medicinal plants, their derived components, and various nanomedicinal approaches, a review of literature was deemed as necessary. In the present review, numerous phytochemicals and various feats in nanomedicine for the treatment of AD have been discussed mechanistically for the first time. Furthermore, recent trends in nanotechnology such as green synthesis of metal nanoparticles with reference to the treatment of AD have been elaborated. Foreseeing the recent progress, we hope that the interface of medicinal plants and nanotechnology will lead to highly effective theranostic strategies for the treatment of AD in the near future.
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Affiliation(s)
- Muhammad Ovais
- Department of Biotechnology, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
- National Institute of Lasers and Optronics, Pakistan Atomic Energy Commission, Islamabad, Pakistan
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, China
| | - Nashmia Zia
- National Institute of Lasers and Optronics, Pakistan Atomic Energy Commission, Islamabad, Pakistan
- Department of Pharmacy, University of Peshawar, Peshawar, Pakistan
| | - Irshad Ahmad
- Department of Life Sciences, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia
| | - Ali Talha Khalil
- Department of Eastern Medicine and Surgery, Qarshi University, Lahore, Pakistan
| | - Abida Raza
- National Institute of Lasers and Optronics, Pakistan Atomic Energy Commission, Islamabad, Pakistan
| | - Muhammad Ayaz
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
| | - Abdul Sadiq
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
- Department of Life Sciences and Chemistry, Faculty of Health, Jacobs University Bremen, Bremen, Germany
| | - Farhat Ullah
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan
| | - Zabta Khan Shinwari
- Department of Biotechnology, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
- Department of Eastern Medicine and Surgery, Qarshi University, Lahore, Pakistan
- Pakistan Academy of Sciences, Islamabad, Pakistan
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Goyal K, Konar A, Kumar BSH, Koul V. Lactoferrin-conjugated pH and redox-sensitive polymersomes based on PEG-S-S-PLA-PCL-OH boost delivery of bacosides to the brain. NANOSCALE 2018; 10:17781-17798. [PMID: 30215650 DOI: 10.1039/c8nr03828g] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
In the present study, engineered lactoferrin (Lf)-conjugated pH and redox-sensitive polymersomes derived from the triblock copolymer polyethylene glycol-S-S-polylactic acid-polycaprolactone (PEG-S-S-PLA-PCL-OH) have been used to deliver bacosides to the brain. Bacosides are classified as triterpenoid saponins and are used in Indian Ayurveda for reversal of amnesia; however, no study has extensively demonstrated their efficacy as a nano-formulation in an animal model. The polymer was synthesized by ring opening polymerization of lactide and ε-caprolactone. The nanoparticles obtained by nanoprecipitation showed a core-shell morphology, with an average size of 110 nm, by transmission electron microscopy (TEM). The colloidal stability, hemocompatibility and cytocompatibility of the polymersomes proved their biocompatibility. pH and disulfide linkages in the polymeric chain accelerated the disintegration of the polymersomes at pH 6.6 and at pH 6.6 with glutathione (GSH) in comparison to pH 7.4, supporting their degradation behavior. Supermagnetic iron oxide nanoparticles (SPIONs, 74.99 μg mg-1 polymer) encapsulated into the polymersomes demonstrated their uptake in a mouse model by MRI. Furthermore, bacosides encapsulated in the polymersomes (10% loading) showed significant memory loss reversal in chemically induced amnesic mice, supported by the gene expression profiles of Arc, BDNF and CREB as well as by histopathology.
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Affiliation(s)
- Kritika Goyal
- Center for Biomedical Engineering, Indian Institute of Technology Delhi, India.
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Ramanathan S, Archunan G, Sivakumar M, Tamil Selvan S, Fred AL, Kumar S, Gulyás B, Padmanabhan P. Theranostic applications of nanoparticles in neurodegenerative disorders. Int J Nanomedicine 2018; 13:5561-5576. [PMID: 30271147 PMCID: PMC6154717 DOI: 10.2147/ijn.s149022] [Citation(s) in RCA: 84] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The preeminent treatments for neurodegenerative disease are often unavailable due to the poor accessibility of therapeutic drugs. Moreover, the blood–brain barrier (BBB) effectively blocks the transfer of cells, particles and large molecules, ie, drugs, across the brain. The most important challenge in the treatment of neurodegenerative diseases is the development of targeted drug delivery system. Theranostic strategies are known to combine therapeutic and diagnostic capabilities together. The aim of this review was to record the response to treatment and thereby improve drug safety. Nanotechnology offers a platform for designing and developing theranostic agents that can be used as an efficient nano-carrier system. This is achieved by the manipulation of some of the properties of nanoparticles (NPs), thereby enabling the attachment of suitable drugs onto their surface. The results provide revolutionary treatments by stimulation and thus interaction with targeted sites to promote physiological response with minimum side effects. This review is a brief discussion of the administration of drugs across the brain and the advantages of using NPs as an effective theranostic platform in the treatment of Alzheimer’s, Parkinson’s, epilepsy and Huntington’s disease.
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Affiliation(s)
- Sahana Ramanathan
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, ,
| | - Govindaraju Archunan
- Department of Animal Science, Centre for Pheromone Technology (CPT), Bharathidasan University, Tiruchirappalli, India
| | - Muthusamy Sivakumar
- Nanoscience and Technology, Anna University - BIT Campus, Tiruchirappalli, India
| | | | - A Lenin Fred
- Mar Ephraem College of Engineering and Technology, Kanyakumari, India
| | - Sundramurthy Kumar
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, ,
| | - Balázs Gulyás
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, ,
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Zhang W, Wang W, Yu DX, Xiao Z, He Z. Application of nanodiagnostics and nanotherapy to CNS diseases. Nanomedicine (Lond) 2018; 13:2341-2371. [PMID: 30088440 DOI: 10.2217/nnm-2018-0163] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Alzheimer's disease, Parkinson's disease and stroke are the most common CNS diseases, all characterized by progressive cellular dysfunction and death in specific areas of the nervous system. Therapeutic development for these diseases has lagged behind other disease areas due to difficulties in early diagnosis, long disease courses and drug delivery challenges, not least due to the blood-brain barrier. Over recent decades, nanotechnology has been explored as a potential tool for the diagnosis, treatment and monitoring of CNS diseases. In this review, we describe the application of nanotechnology to common CNS diseases, highlighting disease pathogenesis and the underlying mechanisms and promising functional outcomes that make nanomaterials ideal candidates for early diagnosis and therapy. Moreover, we discuss the limitations of nanotechnology, and possible solutions.
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Affiliation(s)
- Weiyuan Zhang
- Yunnan Key Laboratory of Stem Cell & Regenerative Medicine, Institute of Molecular & Clinical Medicine, Kunming Medical University, Kunming 650500, PR China
| | - Wenyue Wang
- Department of Anatomy & Developmental Biology, Monash University, Clayton, 3800 Clayton, Melbourne 3800, Australia
| | - David X Yu
- Department of Anatomy & Developmental Biology, Monash University, Clayton, 3800 Clayton, Melbourne 3800, Australia
| | - Zhicheng Xiao
- Department of Anatomy & Developmental Biology, Monash University, Clayton, 3800 Clayton, Melbourne 3800, Australia
| | - Zhiyong He
- Yunnan Key Laboratory of Stem Cell & Regenerative Medicine, Institute of Molecular & Clinical Medicine, Kunming Medical University, Kunming 650500, PR China.,Department of Anatomy & Developmental Biology, Monash University, Clayton, 3800 Clayton, Melbourne 3800, Australia
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Agrawal M, Saraf S, Saraf S, Antimisiaris SG, Hamano N, Li SD, Chougule M, Shoyele SA, Gupta U, Ajazuddin, Alexander A. Recent advancements in the field of nanotechnology for the delivery of anti-Alzheimer drug in the brain region. Expert Opin Drug Deliv 2018; 15:589-617. [DOI: 10.1080/17425247.2018.1471058] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Mukta Agrawal
- Department of Pharmaceutics, Rungta College of Pharmaceutical Sciences and Research, Bhilai, Chhattisgarh, India
| | - Swarnlata Saraf
- Department of Pharmaceutics, University Institute of Pharmacy, Pt. Ravishankar Shukla University, Raipur, Chhattisgarh, India
| | - Shailendra Saraf
- Department of Pharmaceutics, University Institute of Pharmacy, Pt. Ravishankar Shukla University, Raipur, Chhattisgarh, India
- Durg University, Govt. Vasudev Vaman Patankar Girls’ P.G. College Campus, Raipur Naka, Durg, Chhattisgarh, India
| | - Sophia G. Antimisiaris
- Laboratory of Pharmaceutical Technology, Department of Pharmacy, University of Patras, Rio, 26510, Greece
- Department of Pharmacy, FORTH/ICE-HT, Institute of Chemical Engineering, Rio, Patras, 25104, Greece
| | - Nobuhito Hamano
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, British columbia V6T 1Z3, Canada
| | - Shyh-Dar Li
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, British columbia V6T 1Z3, Canada
| | - Mahavir Chougule
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, University of Mississippi, Oxford, MS, 38677, USA
- Research Institute of Pharmaceutical Sciences, University of Mississippi, University, MS, USA
| | - Sunday A. Shoyele
- Department of Pharmaceutical Sciences, College of Pharmacy, Thomas Jefferson University, Philadelphia, PA, 19107, USA
| | - Umesh Gupta
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Kishangarh, Ajmer – 305817, India
| | - Ajazuddin
- Department of Pharmaceutics, Rungta College of Pharmaceutical Sciences and Research, Bhilai, Chhattisgarh, India
| | - Amit Alexander
- Department of Pharmaceutics, Rungta College of Pharmaceutical Sciences and Research, Bhilai, Chhattisgarh, India
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Recent advancements in liposomes targeting strategies to cross blood-brain barrier (BBB) for the treatment of Alzheimer's disease. J Control Release 2017; 260:61-77. [PMID: 28549949 DOI: 10.1016/j.jconrel.2017.05.019] [Citation(s) in RCA: 201] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2017] [Revised: 05/12/2017] [Accepted: 05/13/2017] [Indexed: 12/20/2022]
Abstract
In this modern era, with the help of various advanced technologies, medical science has overcome most of the health-related issues successfully. Though, some diseases still remain unresolved due to various physiological barriers. One such condition is Alzheimer; a neurodegenerative disorder characterized by progressive memory impairment, behavioral abnormalities, mood swing and disturbed routine activities of the person suffering from. It is well known to all that the brain is entirely covered by a protective layer commonly known as blood brain barrier (BBB) which is responsible to maintain the homeostasis of brain by restricting the entry of toxic substances, drug molecules, various proteins and peptides, small hydrophilic molecules, large lipophilic substances and so many other peripheral components to protect the brain from any harmful stimuli. This functionally essential structure creates a major hurdle for delivery of any drug into the brain. Still, there are some provisions on BBB which facilitate the entry of useful substances in the brain via specific mechanisms like passive diffusion, receptor-mediated transcytosis, carrier-mediated transcytosis etc. Another important factor for drug transport is the selection of a suitable drug delivery systems like, liposome, which is a novel drug carrier system offering a potential approach to resolving this problem. Its unique phospholipid bilayer structure (similar to physiological membrane) had made it more compatible with the lipoidal layer of BBB and helps the drug to enter the brain. The present review work focused on various surface modifications with functional ligand (like lactoferrin, transferrin etc.) and carrier molecules (such as glutathione, glucose etc.) on the liposomal structure to enhance its brain targeting ability towards the successful treatment of Alzheimer disease.
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Guzman-Villanueva D, Migrino RQ, Truran S, Karamanova N, Franco DA, Burciu C, Senapati S, Nedelkov D, Hari P, Weissig V. PEGylated-nanoliposomal clusterin for amyloidogenic light chain-induced endothelial dysfunction. J Liposome Res 2017; 28:97-105. [PMID: 28103719 PMCID: PMC5591079 DOI: 10.1080/08982104.2016.1274756] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Light chain (AL) amyloidosis is a disease associated with significant morbidity and mortality arising from multi-organ injury induced by amyloidogenic light chain proteins (LC). There is no available treatment to reverse the toxicity of LC. We previously showed that chaperone glycoprotein clusterin (CLU) and nanoliposomes (NL), separately, restore human microvascular endothelial function impaired by LC. In this work, we aim to prepare PEGylated-nanoliposomal clusterin (NL-CLU) formulations that could allow combined benefit against LC while potentially enabling efficient delivery to microvascular tissue, and test efficacy on human arteriole endothelial function. NL-CLU was prepared by a conjugation reaction between the carboxylated surface of NL and the primary amines of the CLU protein. NL were made of phosphatidylcholine (PC), cholesterol (Chol) and 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[carboxy(polyethylene glycol)-2000] (DSPE-PEG 2000 carboxylic acid) at 70:25:5 mol%. The protective effect of NL-CLU was tested by measuring the dilation response to acetylcholine and papaverine in human adipose arterioles exposed to LC. LC treatment significantly reduced the dilation response to acetylcholine and papaverine; co-treatment of LC with PEGylated-nanoliposomal CLU or free CLU restored the dilator response. NL-CLU is a feasible and promising approach to reverse LC-induced endothelial damage.
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Affiliation(s)
- Diana Guzman-Villanueva
- a Department of Pharmaceutical Sciences , College of Pharmacy-Glendale, Midwestern University , AZ , USA.,b Nanomedicine Center of Excellence in Translation Cancer Research , Glendale , AZ , USA
| | - Raymond Q Migrino
- c Phoenix Veterans Affairs Health Care System , AZ , USA.,d University of Arizona College of Medicine-Phoenix , AZ , USA
| | - Seth Truran
- c Phoenix Veterans Affairs Health Care System , AZ , USA
| | | | | | - Camelia Burciu
- c Phoenix Veterans Affairs Health Care System , AZ , USA
| | - Subhadip Senapati
- e Department of Ophthalmology and Visual Sciences , Case Western Reserve University , OH , USA
| | - Dobrin Nedelkov
- f Biodesign Institute, Arizona State University , AZ , USA , and
| | - Parameswaran Hari
- g Department of Medicine , Medical College of Wisconsin , Milwaukee , WI , USA
| | - Volkmar Weissig
- a Department of Pharmaceutical Sciences , College of Pharmacy-Glendale, Midwestern University , AZ , USA.,b Nanomedicine Center of Excellence in Translation Cancer Research , Glendale , AZ , USA
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Fluselenamyl: A Novel Benzoselenazole Derivative for PET Detection of Amyloid Plaques (Aβ) in Alzheimer's Disease. Sci Rep 2016; 6:35636. [PMID: 27805057 PMCID: PMC5090206 DOI: 10.1038/srep35636] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Accepted: 09/30/2016] [Indexed: 02/02/2023] Open
Abstract
Fluselenamyl (5), a novel planar benzoselenazole shows traits desirable of enabling noninvasive imaging of Aβ pathophysiology in vivo; labeling of both diffuse (an earlier manifestation of neuritic plaques) and fibrillar plaques in Alzheimer's disease (AD) brain sections, and remarkable specificity for mapping Aβ compared with biomarker proteins of other neurodegenerative diseases. Employing AD homogenates, [18F]-9, a PET tracer demonstrates superior (2-10 fold higher) binding affinity than approved FDA tracers, while also indicating binding to high affinity site on Aβ plaques. Pharmacokinetic studies indicate high initial influx of [18F]-9 in normal mice brains accompanied by rapid clearance in the absence of targeted plaques. Following incubation in human serum, [18F]-9 indicates presence of parental compound up to 3h thus indicating its stability. Furthermore, in vitro autoradiography studies of [18F]-9 with AD brain tissue sections and ex vivo autoradiography studies in transgenic mouse brain sections show cortical Aβ binding, and a fair correlation with Aβ immunostaining. Finally, multiphoton- and microPET/CT imaging indicate its ability to penetrate brain and label parenchymal plaques in transgenic mice. Following further validation of its performance in other AD rodent models and nonhuman primates, Fluselenamyl could offer a platform technology for monitoring earliest stages of Aβ pathophysiology in vivo.
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Vieira DB, Gamarra LF. Getting into the brain: liposome-based strategies for effective drug delivery across the blood-brain barrier. Int J Nanomedicine 2016; 11:5381-5414. [PMID: 27799765 PMCID: PMC5077137 DOI: 10.2147/ijn.s117210] [Citation(s) in RCA: 230] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
This review summarizes articles that have been reported in literature on liposome-based strategies for effective drug delivery across the blood–brain barrier. Due to their unique physicochemical characteristics, liposomes have been widely investigated for their application in drug delivery and in vivo bioimaging for the treatment and/or diagnosis of neurological diseases, such as Alzheimer’s, Parkinson’s, stroke, and glioma. Several strategies have been used to deliver drug and/or imaging agents to the brain. Covalent ligation of such macromolecules as peptides, antibodies, and RNA aptamers is an effective method for receptor-targeting liposomes, which allows their blood–brain barrier penetration and/or the delivery of their therapeutic molecule specifically to the disease site. Additionally, methods have been employed for the development of liposomes that can respond to external stimuli. It can be concluded that the development of liposomes for brain delivery is still in its infancy, although these systems have the potential to revolutionize the ways in which medicine is administered.
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Affiliation(s)
| | - Lionel F Gamarra
- Hospital Israelita Albert Einstein, São Paulo, Brazil; Faculdade de Ciências Médicas da Santa Casa de São Paulo, São Paulo, Brazil
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Cardoso A, Guedes J, Cardoso A, Morais C, Cunha P, Viegas A, Costa R, Jurado A, Pedroso de Lima M. Recent Trends in Nanotechnology Toward CNS Diseases. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2016; 130:1-40. [DOI: 10.1016/bs.irn.2016.05.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Tanifum EA, Ghaghada K, Vollert C, Head E, Eriksen JL, Annapragada A. A Novel Liposomal Nanoparticle for the Imaging of Amyloid Plaque by Magnetic Resonance Imaging. J Alzheimers Dis 2016; 52:731-45. [PMID: 27031484 PMCID: PMC4931553 DOI: 10.3233/jad-151124] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Amyloid binding molecules with greater hydrophilicity than existing ligands were synthesized. The lead candidate ET6-21 bound amyloid fibrils, and amyloid deposits in dog brain and human brain tissue ex vivo. The ligand was used to prepare novel amyloid-targeted liposomal nanoparticles. The preparation was tested in the Tg2576 and TetO/APP mouse models of amyloid deposition. Gd chelates and Indocyanine green were included in the particles for visualization by MRI and near-infrared microscopy. Upon intravenous injection, the particles successfully traversed the blood-brain barrier in these mice, and bound to the plaques. Magnetic resonance imaging (T1-MRI) conducted 4 days after injection demonstrated elevated signal in the brains of mice with amyloid plaques present. No signal was observed in amyloid-negative mice, or in amyloid-positive mice injected with an untargeted version of the same agent. The MRI results were confirmed by immunohistochemical and fluorescent microscopic examination of mouse brain sections, showing colocalization of the fluorescent tags and amyloid deposits.
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Barr RK, Verdile G, Wijaya LK, Morici M, Taddei K, Gupta VB, Pedrini S, Jin L, Nicolazzo JA, Knock E, Fraser PE, Martins RN. Validation and Characterization of a Novel Peptide That Binds Monomeric and Aggregated β-Amyloid and Inhibits the Formation of Neurotoxic Oligomers. J Biol Chem 2015; 291:547-59. [PMID: 26538562 DOI: 10.1074/jbc.m115.679993] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Indexed: 11/06/2022] Open
Abstract
Although the formation of β-amyloid (Aβ) deposits in the brain is a hallmark of Alzheimer disease (AD), the soluble oligomers rather than the mature amyloid fibrils most likely contribute to Aβ toxicity and neurodegeneration. Thus, the discovery of agents targeting soluble Aβ oligomers is highly desirable for early diagnosis prior to the manifestation of a clinical AD phenotype and also more effective therapies. We have previously reported that a novel 15-amino acid peptide (15-mer), isolated via phage display screening, targeted Aβ and attenuated its neurotoxicity (Taddei, K., Laws, S. M., Verdile, G., Munns, S., D'Costa, K., Harvey, A. R., Martins, I. J., Hill, F., Levy, E., Shaw, J. E., and Martins, R. N. (2010) Neurobiol. Aging 31, 203-214). The aim of the current study was to generate and biochemically characterize analogues of this peptide with improved stability and therapeutic potential. We demonstrated that a stable analogue of the 15-amino acid peptide (15M S.A.) retained the activity and potency of the parent peptide and demonstrated improved proteolytic resistance in vitro (stable to t = 300 min, c.f. t = 30 min for the parent peptide). This candidate reduced the formation of soluble Aβ42 oligomers, with the concurrent generation of non-toxic, insoluble aggregates measuring up to 25-30 nm diameter as determined by atomic force microscopy. The 15M S.A. candidate directly interacted with oligomeric Aβ42, as shown by coimmunoprecipitation and surface plasmon resonance/Biacore analysis, with an affinity in the low micromolar range. Furthermore, this peptide bound fibrillar Aβ42 and also stained plaques ex vivo in brain tissue from AD model mice. Given its multifaceted ability to target monomeric and aggregated Aβ42 species, this candidate holds promise for novel preclinical AD imaging and therapeutic strategies.
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Affiliation(s)
- Renae K Barr
- From the Centre of Excellence for Alzheimer's Disease Research and Care School of Medical Sciences, Edith Cowan University, 270 Joondalup Dr., Joondalup, Western Australia 6027, Alzhyme Pty Ltd., Nedlands, Western Australia 6009
| | - Giuseppe Verdile
- the School of Biomedical Sciences, Faculty of Health Sciences, Curtin University, Bentley, Western Australia 6102, the Sir James McCusker Alzheimer's Disease Research Unit, Suite 22, Hollywood Medical Centre, 85 Monash Ave., Nedlands, Western Australia 6009, the School of Psychiatry and Clinical Neurosciences, University of Western Australia, Crawley 6009,
| | - Linda K Wijaya
- From the Centre of Excellence for Alzheimer's Disease Research and Care School of Medical Sciences, Edith Cowan University, 270 Joondalup Dr., Joondalup, Western Australia 6027
| | - Michael Morici
- From the Centre of Excellence for Alzheimer's Disease Research and Care School of Medical Sciences, Edith Cowan University, 270 Joondalup Dr., Joondalup, Western Australia 6027
| | - Kevin Taddei
- From the Centre of Excellence for Alzheimer's Disease Research and Care School of Medical Sciences, Edith Cowan University, 270 Joondalup Dr., Joondalup, Western Australia 6027, the Sir James McCusker Alzheimer's Disease Research Unit, Suite 22, Hollywood Medical Centre, 85 Monash Ave., Nedlands, Western Australia 6009
| | - Veer B Gupta
- From the Centre of Excellence for Alzheimer's Disease Research and Care School of Medical Sciences, Edith Cowan University, 270 Joondalup Dr., Joondalup, Western Australia 6027, Alzhyme Pty Ltd., Nedlands, Western Australia 6009, the Sir James McCusker Alzheimer's Disease Research Unit, Suite 22, Hollywood Medical Centre, 85 Monash Ave., Nedlands, Western Australia 6009
| | - Steve Pedrini
- From the Centre of Excellence for Alzheimer's Disease Research and Care School of Medical Sciences, Edith Cowan University, 270 Joondalup Dr., Joondalup, Western Australia 6027, Alzhyme Pty Ltd., Nedlands, Western Australia 6009, the Sir James McCusker Alzheimer's Disease Research Unit, Suite 22, Hollywood Medical Centre, 85 Monash Ave., Nedlands, Western Australia 6009
| | - Liang Jin
- the Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, Victoria 3052, Australia, and
| | - Joseph A Nicolazzo
- the Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, Victoria 3052, Australia, and
| | - Erin Knock
- the University of Toronto, Tanz Centre for Research in Neurodegenerative Diseases, Krembil Discovery Tower, 60 Leonard Ave., Toronto, Ontario M5T 2S8, Canada
| | - Paul E Fraser
- the University of Toronto, Tanz Centre for Research in Neurodegenerative Diseases, Krembil Discovery Tower, 60 Leonard Ave., Toronto, Ontario M5T 2S8, Canada
| | - Ralph N Martins
- From the Centre of Excellence for Alzheimer's Disease Research and Care School of Medical Sciences, Edith Cowan University, 270 Joondalup Dr., Joondalup, Western Australia 6027, Alzhyme Pty Ltd., Nedlands, Western Australia 6009, the Sir James McCusker Alzheimer's Disease Research Unit, Suite 22, Hollywood Medical Centre, 85 Monash Ave., Nedlands, Western Australia 6009, the School of Psychiatry and Clinical Neurosciences, University of Western Australia, Crawley 6009,
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Abstract
Nanoparticle imaging agents for vascular pathologies are in development, and some agents are already in clinical trials. Untargeted agents, with long circulation, are excellent blood-pool agents, but molecularly targeted agents have significant advantages due to the signal enhancement possible with nanoparticle presentation of the contrast agent molecules. Molecular targets that are accessible directly from the vasculature are optimal for such agents. Targets that are removed from the vasculature, such as those on tumor cell surfaces, have limited accessibility owing to the enhanced permeation and retention effect. Yet, efforts at molecular targeting have tested small molecules, peptides, antibodies, and most recently aptamers as possible targeting ligands. The future is bright for nanoparticle-based imaging of vascular pathologies.
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Affiliation(s)
- Ananth Annapragada
- The Singleton Department of Pediatric Radiology, Texas Children's Hospital and Baylor College of Medicine, Houston, Texas 77030;
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Sundaram GS, Dhavale D, Prior JL, Sivapackiam J, Laforest R, Kotzbauer P, Sharma V. Synthesis, characterization, and preclinical validation of a PET radiopharmaceutical for interrogating Aβ (β-amyloid) plaques in Alzheimer's disease. EJNMMI Res 2015; 5:112. [PMID: 26061601 PMCID: PMC4478171 DOI: 10.1186/s13550-015-0112-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2015] [Accepted: 04/22/2015] [Indexed: 02/03/2023] Open
Abstract
Background PET radiopharmaceuticals capable of imaging β-amyloid (Aβ) plaque burden in the brain could offer highly valuable diagnostic tools for clinical studies of Alzheimer’s disease. To further supplement existing armamentarium of FDA-approved agents as well as those under development, and to correlate multiphoton-imaging data reported earlier, herein, we describe preclinical validation of a PET tracer. Methods A novel PET radiopharmaceutical (18F-7B) was synthesized and characterized. To assess its affinity for Aβ, binding assays with Aβ1-42 fibrils, Alzheimer’s disease (AD) homogenates, and autoradiography studies and their IHC correlations were performed. For assessing its overall pharmacokinetic profiles in general and its ability to cross the blood-brain barrier (BBB) in particular, biodistribution studies in normal mice were performed. Finally, for evaluating potential for 18F-7B to serve as a targeted Aβ probe, the microPET/CT imaging was performed in age-matched amyloid precursor protein/presenilin-1 (APP/PS1) mice and wild-type (WT) counterparts. Results The radiotracer 18F-7B shows saturable binding to autopsy-confirmed AD homogenates (Kd = 17.7 nM) and Aβ1-42 fibrils (Kd = 61 nM). Preliminary autoradiography studies show binding of 18F-7B to cortical Aβ plaques in autopsy-confirmed AD tissue sections, inhibition of that binding by unlabeled counterpart 7A-indicating specificity, and a good correlation of tracer binding with Aβ immunostaining. The agent indicates high initial penetration into brains (7.23 ± 0.47%ID/g; 5 min) of normal mice, thus indicating a 5-min/120-min brain uptake clearance ratio of 4.7, a benchmark value (>4) consistent with the ability of agents to traverse the BBB to enable PET brain imaging. Additionally, 18F-7B demonstrates the presence of parental species in human serum. Preliminary microPET/CT imaging demonstrates significantly higher retention of 18F-7B in brains of transgenic mice compared with their WT counterparts, consistent with expected binding of the radiotracer to Aβ plaques, present in APP/PS1 mice, compared with their age-matched WT counterparts lacking those Aβ aggregates. Conclusions These data offer a platform scaffold conducive to further optimization for developing new PET tracers to study Aβ pathophysiology in vitro and in vivo.
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Affiliation(s)
- Guruswami Sm Sundaram
- ICCE Institute, Molecular Imaging Center, Box 8225, 510 S. Kingshighway Blvd., St. Louis, MO, 63110, USA,
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Gregori M, Masserini M, Mancini S. Nanomedicine for the treatment of Alzheimer's disease. Nanomedicine (Lond) 2015; 10:1203-18. [DOI: 10.2217/nnm.14.206] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Alzheimer's disease affects more than 35 million people worldwide and this number is presumed to double by the year 2050. Currently, there is no efficient therapy for this disorder but a promising approach is represented by nanotechnology, easily multifunctionalizable devices with size in the order of billionth of meter. This review provides a concise survey on the nano-based strategies for Alzheimer's disease treatment, aiming at carrying drugs across the blood–brain barrier, in particular to target the metabolism of β-amyloid peptide, a pivotal player in this pathology.
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Affiliation(s)
- Maria Gregori
- Department of Health Sciences, University of Milano-Bicocca, via Cadore 48, 20900 Monza, Italy
| | - Massimo Masserini
- Department of Health Sciences, University of Milano-Bicocca, via Cadore 48, 20900 Monza, Italy
| | - Simona Mancini
- Department of Health Sciences, University of Milano-Bicocca, via Cadore 48, 20900 Monza, Italy
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Multifunctional liposomes reduce brain β-amyloid burden and ameliorate memory impairment in Alzheimer's disease mouse models. J Neurosci 2015; 34:14022-31. [PMID: 25319699 DOI: 10.1523/jneurosci.0284-14.2014] [Citation(s) in RCA: 106] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Alzheimer's disease is characterized by the accumulation and deposition of plaques of β-amyloid (Aβ) peptide in the brain. Given its pivotal role, new therapies targeting Aβ are in demand. We rationally designed liposomes targeting the brain and promoting the disaggregation of Aβ assemblies and evaluated their efficiency in reducing the Aβ burden in Alzheimer's disease mouse models. Liposomes were bifunctionalized with a peptide derived from the apolipoprotein-E receptor-binding domain for blood-brain barrier targeting and with phosphatidic acid for Aβ binding. Bifunctionalized liposomes display the unique ability to hinder the formation of, and disaggregate, Aβ assemblies in vitro (EM experiments). Administration of bifunctionalized liposomes to APP/presenilin 1 transgenic mice (aged 10 months) for 3 weeks (three injections per week) decreased total brain-insoluble Aβ1-42 (-33%), assessed by ELISA, and the number and total area of plaques (-34%) detected histologically. Also, brain Aβ oligomers were reduced (-70.5%), as assessed by SDS-PAGE. Plaque reduction was confirmed in APP23 transgenic mice (aged 15 months) either histologically or by PET imaging with [(11)C]Pittsburgh compound B (PIB). The reduction of brain Aβ was associated with its increase in liver (+18%) and spleen (+20%). Notably, the novel-object recognition test showed that the treatment ameliorated mouse impaired memory. Finally, liposomes reached the brain in an intact form, as determined by confocal microscopy experiments with fluorescently labeled liposomes. These data suggest that bifunctionalized liposomes destabilize brain Aβ aggregates and promote peptide removal across the blood-brain barrier and its peripheral clearance. This all-in-one multitask therapeutic device can be considered as a candidate for the treatment of Alzheimer's disease.
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Cerebral vascular leak in a mouse model of amyloid neuropathology. J Cereb Blood Flow Metab 2014; 34:1646-54. [PMID: 25052555 PMCID: PMC4269723 DOI: 10.1038/jcbfm.2014.125] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2014] [Revised: 05/28/2014] [Accepted: 06/15/2014] [Indexed: 11/08/2022]
Abstract
In Alzheimer's disease (AD), there is increasing evidence of blood-brain barrier (BBB) compromise, usually observed as 'microbleeds' correlated with amyloid plaque deposition and apoE-ɛ4 status, raising the possibility of nanotherapeutic delivery. Molecular probes have been used to study neurovascular leak, but this approach does not adequately estimate vascular permeability of nanoparticles. We therefore characterized cerebrovascular leaks in live APP+ transgenic animals using a long circulating ∼100 nm nanoparticle computed tomography (CT) contrast agent probe. Active leaks fell into four categories: (1) around the dorsomedial cerebellar artery (DMCA), (2) around other major vessels, (3) nodular leaks in the cerebral cortex, and (4) diffuse leaks. Cortical leaks were uniformly more frequent in the transgenic animals than in age-matched controls. Leaks around vessels other than the DMCA were more frequent in older transgenics compared with younger ones. All other leaks were equally prevalent across genotypes independent of age. Ten days after injection, 4 to 5 μg of the dose was estimated to be present in the brain, roughly a half of which was in locations other than the leaky choroid plexus, and associated with amyloid deposition in older animals. These results suggest that amyloid deposition and age increase delivery of nanoparticle-borne reagents to the brain, in therapeutically relevant amounts.
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Sundaram GSM, Garai K, Rath NP, Yan P, Cirrito JR, Cairns NJ, Lee JM, Sharma V. Characterization of a brain permeant fluorescent molecule and visualization of Aβ parenchymal plaques, using real-time multiphoton imaging in transgenic mice. Org Lett 2014; 16:3640-3. [PMID: 25003699 PMCID: PMC4372081 DOI: 10.1021/ol501264q] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
![]()
Emerging
paradigms mandate discovery of imaging agents for diagnosing
Alzheimer’s disease (AD) prior to appearance of clinical symptoms.
To accomplish this objective, a novel heterocyclic molecule (4) was synthesized and validated as Aβ targeted probe.
The agent shows labeling of numerous diffuse Aβ plaques in confirmed
AD human brain tissues and traverses the blood–brain barrier
to enable labeling of parenchymal Aβ plaques in live mice (APP±/PS1±) brains.
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Affiliation(s)
- G S M Sundaram
- BRIGHT Institute, Molecular Imaging Center, ‡Mallinckrodt Institute of Radiology, §Department of Biomedical Engineering, ∥Departments of Neurology and ⊥Pathology & Immunology, #Knight Alzheimer's Disease Research Center, and ∇Hope Center for Neurological Disorders, Washington University School of Medicine , St. Louis, Missouri 63110, United States
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Antimisiaris S, Mourtas S, Markoutsa E, Skouras A, Papadia K. Nanoparticles for Diagnosis and/or Treatment of Alzheimer's Disease. Adv Healthc Mater 2014. [DOI: 10.1002/9781118774205.ch4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Amiri H, Saeidi K, Borhani P, Manafirad A, Ghavami M, Zerbi V. Alzheimer's disease: pathophysiology and applications of magnetic nanoparticles as MRI theranostic agents. ACS Chem Neurosci 2013; 4:1417-29. [PMID: 24024702 PMCID: PMC3837373 DOI: 10.1021/cn4001582] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2013] [Revised: 09/05/2013] [Indexed: 11/29/2022] Open
Abstract
Alzheimer's disease (AD) is the most common form of dementia. During the recent decade, nanotechnology has been widely considered, as a promising tool, for theranosis (diagnosis and therapy) of AD. Here we first discuss pathophysiology and characteristics of AD with a focus on the amyloid cascade hypothesis. Then magnetic nanoparticles (MNPs) and recent works on their applications in AD, focusing on the superparamagnetic iron oxide nanoparticles (SPIONs), are reviewed. Furthermore, the amyloid-nanoparticle interaction is highlighted, with the scope to be highly considered by the scientists aiming for diagnostics and/or treatment of AD employing nanoparticles. Furthermore, recent findings on the "ignored" parameters (e.g., effect of protein "corona" at the surface of nanoparticles on amyloid-β (Aβ) fibrillation process) are discussed.
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Affiliation(s)
- Houshang Amiri
- Department of Radiology and Department
of Anatomy, Donders Institute for Brain,
Cognition and Behaviour, Radboud University
Nijmegen Medical Centre, 6500HB Nijmegen, The Netherlands
| | - Kolsoum Saeidi
- Department of Medical Genetics and Department of Radiological
Sciences, Kerman University of Medical Sciences, 7618747653 Kerman, Iran
| | - Parvin Borhani
- Department of Medical Genetics and Department of Radiological
Sciences, Kerman University of Medical Sciences, 7618747653 Kerman, Iran
| | - Arash Manafirad
- National Cell Bank, Pasteur Institute of Iran, 13164 Tehran, Iran
| | - Mahdi Ghavami
- National Cell Bank, Pasteur Institute of Iran, 13164 Tehran, Iran
| | - Valerio Zerbi
- Department of Radiology and Department
of Anatomy, Donders Institute for Brain,
Cognition and Behaviour, Radboud University
Nijmegen Medical Centre, 6500HB Nijmegen, The Netherlands
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Zhang M, Mao X, Yu Y, Wang CX, Yang YL, Wang C. Nanomaterials for reducing amyloid cytotoxicity. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2013; 25:3780-801. [PMID: 23722464 DOI: 10.1002/adma.201301210] [Citation(s) in RCA: 131] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2013] [Indexed: 05/20/2023]
Abstract
This review is intended to reflect the recent progress on therapeutic applications of nanomaterials in amyloid diseases. The progress on anti-amyloid functions of various nanomaterials including inorganic nanoparticles, polymeric nanoparticles, carbon nanomaterials and biomolecular aggregates, is reviewed and discussed. The main functionalization strategies for general nanoparticle modifications are reviewed for potential applications of targeted therapeutics. The interaction mechanisms between amyloid peptides and nanomaterials are discussed from the perspectives of dominant interactions and kinetics. The encapsulation of anti-amyloid drugs, targeted drug delivery, controlled drug release and drug delivery crossing blood brain barrier by application of nanomaterials would also improve the therapeutics of amyloid diseases.
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Affiliation(s)
- Min Zhang
- National Center for Nanoscience and Technology, Beijing 100190, China
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Gao H, Pang Z, Jiang X. Targeted Delivery of Nano-Therapeutics for Major Disorders of the Central Nervous System. Pharm Res 2013; 30:2485-98. [DOI: 10.1007/s11095-013-1122-4] [Citation(s) in RCA: 102] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2013] [Accepted: 06/11/2013] [Indexed: 12/22/2022]
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