1
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Duan L, Hao Z, Ji R, Li X, Wang H, Su Y, Guan F, Ma S. Glucose-modified BSA/procyanidin C1 NPs penetrate the blood-brain barrier and alleviate neuroinflammation in Alzheimer's disease models. Int J Biol Macromol 2024; 268:131739. [PMID: 38657920 DOI: 10.1016/j.ijbiomac.2024.131739] [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: 02/13/2024] [Revised: 04/12/2024] [Accepted: 04/19/2024] [Indexed: 04/26/2024]
Abstract
Alzheimer's disease (AD) is a chronic neurodegenerative disease with high prevalence, long duration and poor prognosis. The blood-brain barrier (BBB) is a physiologic barrier in the central nervous system, which hinders the entry of most drugs into the brain from the blood, thus affecting the efficacy of drugs for AD. Natural products are recognized as one of the promising and unique therapeutic approaches to treat AD. To improve the efficiency and therapeutic effect of the drug across the BBB, a natural polyphenolic compound, procyanidin C-1 (C1) was encapsulated in glucose-functionalized bovine serum albumin (BSA) nanoparticles to construct Glu-BSA/C1 NPs in our study. Glu-BSA/C1 NPs exhibited good stability, slow release, biocompatibility and antioxidant properties. In addition, Glu-BSA/C1 NPs penetrated the BBB, accumulated in the brain by targeting Glut1, and maintained the BBB integrity both in vitro and in vivo. Moreover, Glu-BSA/C1 NPs alleviated memory impairment of 5 × FAD mice by reducing Aβ deposition and Tau phosphorylation and promoting neurogenesis. Mechanistically, Glu-BSA/C1 NPs significantly activated the PI3K/AKT pathway and inhibited the NLRP3/Caspase-1/IL-1β pathway thereby suppressing neuroinflammation. Taken together, Glu-BSA/C1 NPs could penetrate the BBB and mitigate neuroinflammation in AD, which provides a new therapeutic approach targeting AD.
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Affiliation(s)
- Linyan Duan
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Zhizhong Hao
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Rong Ji
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Xingfan Li
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Hao Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Yujing Su
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Fangxia Guan
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China; Institute of Neuroscience, Zhengzhou University, Zhengzhou 450052, Henan, China.
| | - Shanshan Ma
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China.
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2
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Rokach M, Portioli C, Brahmachari S, Estevão BM, Decuzzi P, Barak B. Tackling myelin deficits in neurodevelopmental disorders using drug delivery systems. Adv Drug Deliv Rev 2024; 207:115218. [PMID: 38403255 DOI: 10.1016/j.addr.2024.115218] [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: 11/14/2023] [Revised: 01/27/2024] [Accepted: 02/20/2024] [Indexed: 02/27/2024]
Abstract
Interest in myelin and its roles in almost all brain functions has been greatly increasing in recent years, leading to countless new studies on myelination, as a dominant process in the development of cognitive functions. Here, we explore the unique role myelin plays in the central nervous system and specifically discuss the results of altered myelination in neurodevelopmental disorders. We present parallel developmental trajectories involving myelination that correlate with the onset of cognitive impairment in neurodevelopmental disorders and discuss the key challenges in the treatment of these chronic disorders. Recent developments in drug repurposing and nano/micro particle-based therapies are reviewed as a possible pathway to circumvent some of the main hurdles associated with early intervention, including patient's adherence and compliance, side effects, relapse, and faster route to possible treatment of these disorders. The strategy of drug encapsulation overcomes drug solubility and metabolism, with the possibility of drug targeting to a specific compartment, reducing side effects upon systemic administration.
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Affiliation(s)
- May Rokach
- Sagol School of Neuroscience, Tel-Aviv University, Israel
| | - Corinne Portioli
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
| | - Sayanti Brahmachari
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
| | - Bianca Martins Estevão
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
| | - Paolo Decuzzi
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
| | - Boaz Barak
- Sagol School of Neuroscience, Tel-Aviv University, Israel; Faculty of Social Sciences, The School of Psychological Sciences, Tel-Aviv University, Israel.
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3
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Dichiara M, Cosentino G, Giordano G, Pasquinucci L, Marrazzo A, Costanzo G, Amata E. Designing drugs optimized for both blood-brain barrier permeation and intra-cerebral partition. Expert Opin Drug Discov 2024; 19:317-329. [PMID: 38145409 DOI: 10.1080/17460441.2023.2294118] [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: 10/08/2023] [Accepted: 12/07/2023] [Indexed: 12/26/2023]
Abstract
INTRODUCTION With the increasing incidence and prevalence of neurological disorders globally, there is a paramount need for new pharmacotherapies. BBB effectively protects the brain but raises a profound challenge to drug permeation, with less than 2% of most drugs reaching the CNS. AREAS COVERED This article reviews aspects of the most recent design strategies, providing insights into ideas and concepts in CNS drug discovery. An overview of the products available on the market is given and why clinical trials are continuously failing is discussed. EXPERT OPINION Among the available CNS drugs, small molecules account for most successful CNS therapeutics due to their ability to penetrate the BBB through passive or carrier-mediated mechanisms. The development of new CNS drugs is very difficult. To date, there is a lack of effective drugs for alleviating or even reversing the progression of brain diseases. Particularly, the use of artificial intelligence strategies, together with more appropriate animal models, may enable the design of molecules with appropriate permeation, to elicit a biological response from the neurotherapeutic target.
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Affiliation(s)
- Maria Dichiara
- Dipartimento di Scienze del Farmaco e della Salute, Università degli Studi di Catania, Catania, Italy
| | - Giuseppe Cosentino
- Dipartimento di Scienze del Farmaco e della Salute, Università degli Studi di Catania, Catania, Italy
| | - Giorgia Giordano
- Dipartimento di Scienze del Farmaco e della Salute, Università degli Studi di Catania, Catania, Italy
| | - Lorella Pasquinucci
- Dipartimento di Scienze del Farmaco e della Salute, Università degli Studi di Catania, Catania, Italy
| | - Agostino Marrazzo
- Dipartimento di Scienze del Farmaco e della Salute, Università degli Studi di Catania, Catania, Italy
| | - Giuliana Costanzo
- Dipartimento di Scienze del Farmaco e della Salute, Università degli Studi di Catania, Catania, Italy
| | - Emanuele Amata
- Dipartimento di Scienze del Farmaco e della Salute, Università degli Studi di Catania, Catania, Italy
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4
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Liu Y, Hu S, Shi B, Yu B, Luo W, Peng S, Du X. The Role of Iron Metabolism in Sepsis-associated Encephalopathy: a Potential Target. Mol Neurobiol 2023:10.1007/s12035-023-03870-2. [PMID: 38110647 DOI: 10.1007/s12035-023-03870-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 11/30/2023] [Indexed: 12/20/2023]
Abstract
Sepsis-associated encephalopathy (SAE) is an acute cerebral dysfunction secondary to infection, and the severity can range from mild delirium to deep coma. Disorders of iron metabolism have been proven to play an important role in a variety of neurodegenerative diseases by inducing cell damage through iron accumulation in glial cells and neurons. Recent studies have found that iron accumulation is also a potential mechanism of SAE. Systemic inflammation can induce changes in the expression of transporters and receptors on cells, especially high expression of divalent metal transporter1 (DMT1) and low expression of ferroportin (Fpn) 1, which leads to iron accumulation in cells. Excessive free Fe2+ can participate in the Fenton reaction to produce reactive oxygen species (ROS) to directly damage cells or induce ferroptosis. As a result, it may be of great help to improve SAE by treatment of targeting disorders of iron metabolism. Therefore, it is important to review the current research progress on the mechanism of SAE based on iron metabolism disorders. In addition, we also briefly describe the current status of SAE and iron metabolism disorders and emphasize the therapeutic prospect of targeting iron accumulation as a treatment for SAE, especially iron chelator. Moreover, drug delivery and side effects can be improved with the development of nanotechnology. This work suggests that treating SAE based on disorders of iron metabolism will be a thriving field.
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Affiliation(s)
- Yinuo Liu
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
- The Clinical Medical College of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Shengnan Hu
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
- The Clinical Medical College of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Bowen Shi
- The Clinical Medical College of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Bodong Yu
- The Clinical Medical College of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Wei Luo
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Shengliang Peng
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.
| | - Xiaohong Du
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.
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Cornacchia C, Marinelli L, Di Rienzo A, Dimmito MP, Serra F, Di Biase G, De Filippis B, Turkez H, Mardinoglu A, Bellezza I, Di Stefano A, Cacciatore I. Development of l-Dopa-containing diketopiperazines as blood-brain barrier shuttle. Eur J Med Chem 2022; 243:114746. [PMID: 36099749 DOI: 10.1016/j.ejmech.2022.114746] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 08/24/2022] [Accepted: 09/03/2022] [Indexed: 11/28/2022]
Abstract
In our overall goal to develop anti-Parkinson drugs, we designed novel diketopiperazines (DKP1-6) aiming to both reach the blood-brain barrier and counteract the oxidative stress related to Parkinson's Disease (PD). The anti-Parkinson properties of DKP 1-6 were evaluated using neurotoxin-treated PC12 cells, as in vitro model of PD, while their cytotoxicity and genotoxicity potentials were investigated in newborn rat cerebral cortex (RCC) and primary human whole blood (PHWB) cell cultures. The response against free radicals was evaluated by the total antioxidant capacity (TAC) assay. Comet assay was used to detect DNA damage while the content of 8-hydroxyl-2'-deoxyguanosine (8-OH-dG) was determined as a marker of oxidative DNA damage. PAMPA-BBB and Caco-2 assays were employed to evaluate the capability of DKP1-6 to cross the membranes. Stability studies were conducted in simulated gastric and intestinal fluids and human plasma. Results showed that DKP5-6 attenuate the MPP + -induced cell death on a nanomolar scale, but a remarkable effect was observed for DKP6 on Nrf2 activation that leads to the expression of genes involved in oxidative stress response thus increasing glutathione biosynthesis and ROS buffering. DKP5-6 resulted in no toxicity for RCC neurons and PHWB cells exposed to 10-500 nM concentrations during 24 h as determined by MTT and LDH assays and TAC levels were not altered in both cultured cell types. No significant difference in the induction of DNA damage was observed for DKP5-6. Both DKPs resulted stable in simulated gastric fluids (t1/2 > 22h). In simulated intestinal fluids, DKP5 underwent immediate hydrolysis while DKP6 showed a half-life higher than 3 h. In human plasma, DKP6 resulted quite stable. DKP6 displayed both high BBB and Caco-2 permeability confirming that the DKP scaffold represents a useful tool to improve the crossing of drugs through the biological membranes.
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Affiliation(s)
- Catia Cornacchia
- Department of Pharmacy, University "G. D'Annunzio", Via dei Vestini 31, 66100, Chieti, Italy
| | - Lisa Marinelli
- Department of Pharmacy, University "G. D'Annunzio", Via dei Vestini 31, 66100, Chieti, Italy
| | - Annalisa Di Rienzo
- Department of Pharmacy, University "G. D'Annunzio", Via dei Vestini 31, 66100, Chieti, Italy
| | - Marilisa Pia Dimmito
- Department of Pharmacy, University "G. D'Annunzio", Via dei Vestini 31, 66100, Chieti, Italy
| | - Federica Serra
- Department of Pharmacy, University "G. D'Annunzio", Via dei Vestini 31, 66100, Chieti, Italy
| | - Giuseppe Di Biase
- Department of Pharmacy, University "G. D'Annunzio", Via dei Vestini 31, 66100, Chieti, Italy
| | - Barbara De Filippis
- Department of Pharmacy, University "G. D'Annunzio", Via dei Vestini 31, 66100, Chieti, Italy
| | - Hasan Turkez
- Department of Medical Biology, Faculty of Medicine, Ataturk University, 25240, Erzurum, Turkey
| | - Adil Mardinoglu
- Science for Life Laboratory, KTH, Royal Institute of Technology, 24075, Stockholm, Sweden; Centre for Host Microbiome Interactions, Dental Institute, King's College London, London, SE1 9RT, United Kingdom
| | - Ilaria Bellezza
- Department of Medicine and Surgery, University of Perugia, Polo Unico Sant'Andrea delle Fratte, P.le L. Severi 1, Perugia, 06132, Italy
| | - Antonio Di Stefano
- Department of Pharmacy, University "G. D'Annunzio", Via dei Vestini 31, 66100, Chieti, Italy
| | - Ivana Cacciatore
- Department of Pharmacy, University "G. D'Annunzio", Via dei Vestini 31, 66100, Chieti, Italy.
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6
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Prodrug Therapies for Infectious and Neurodegenerative Diseases. Pharmaceutics 2022; 14:pharmaceutics14030518. [PMID: 35335894 PMCID: PMC8953076 DOI: 10.3390/pharmaceutics14030518] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/17/2022] [Accepted: 02/22/2022] [Indexed: 02/06/2023] Open
Abstract
Prodrugs are bioreversible drug derivatives which are metabolized into a pharmacologically active drug following chemical or enzymatic modification. This approach is designed to overcome several obstacles that are faced by the parent drug in physiological conditions that include rapid drug metabolism, poor solubility, permeability, and suboptimal pharmacokinetic and pharmacodynamic profiles. These suboptimal physicochemical features can lead to rapid drug elimination, systemic toxicities, and limited drug-targeting to disease-affected tissue. Improving upon these properties can be accomplished by a prodrug design that includes the careful choosing of the promoiety, the linker, the prodrug synthesis, and targeting decorations. We now provide an overview of recent developments and applications of prodrugs for treating neurodegenerative, inflammatory, and infectious diseases. Disease interplay reflects that microbial infections and consequent inflammation affects neurodegenerative diseases and vice versa, independent of aging. Given the high prevalence, personal, social, and economic burden of both infectious and neurodegenerative disorders, therapeutic improvements are immediately needed. Prodrugs are an important, and might be said a critical tool, in providing an avenue for effective drug therapy.
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7
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Battista VD, Hey-Hawkins E. Development of Prodrugs for Treatment of Parkinson's Disease: New Inorganic Scaffolds for Blood-Brain Barrier Permeation. J Pharm Sci 2022; 111:1262-1279. [PMID: 35182542 DOI: 10.1016/j.xphs.2022.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 02/13/2022] [Accepted: 02/14/2022] [Indexed: 10/19/2022]
Abstract
The treatment of Parkinson's disease (PD) has not been consistently modified for more than 60 years. L-DOPA, the blood-brain barrier permeable precursor prodrug of dopamine, is to date the only effective therapy on the market. However, it is well known that prolonged treatment with L-DOPA leads to several side effects, which may affect the patient's life expectancy (i.e., the wearing-off phenomenon, on-off fluctuations, and dyskinesia). For this reason, modifications, and supplements to L-DOPA treatment have been and are being studied, which, however, have not yet resulted in a valid alternative to the cornerstone drug. This review aims to summarize the main formulations currently in use for PD treatment, explaining advantages and disadvantages for each class. The attention will be focused on the promising prodrug concept, aimed at finding a suitable L-DOPA substitute with improved pharmacokinetic behavior. In this respect, new potential candidates which show interesting properties for the intended scope, the so-called dicarba-closo-dodecaboranes(12) (carboranes), will be discussed. Carboranes are inorganic molecular icosahedral boron-carbon clusters with 12 vertices and 20 deltahedral faces. They have been extensively studied for applications in medicine as potential pharmacophores, reagents in boron neutron capture therapy (BNCT) and radiotherapy. Here, we discuss them as inorganic scaffolds for dopamine delivery at the central nervous system (CNS) level.
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Key Words
- %F, Oral Bioavailability
- 5-HTP, L-5-Hydroxy-Tryptophan
- AADC, Aromatic L-Amino Acid Decarboxylase
- AGPs, Arabinogalactan Proteins
- AUC, Area Under the Plasma Concentration Curve
- Abbreviations
- BBB, Blood–Brain Barrier
- BNCT, Boron Neutron Capture Therapy
- CNS, Central Nervous System
- COMT, Catechol-O-Methyltransferase
- DBS, Deep Brain Stimulation
- DDC, Dopamine Decarboxylase
- DMSO, Dimethylsulfoxide
- FAD, Flavin Adenine Dinucleotide
- FDA, Food and Drug Administration
- GPCRs, G-Protein-Coupled Receptors
- HIV, Human Immunodeficiency Virus
- HSA, Human Serum Albumin
- ICT, Intramolecular Charge Transfer
- IPG, Implanted Pulse Generator
- IUPAC, International Union of Pure and Applied Chemistry
- IV, Intravenous Injection
- LDEE, L-DOPA Ethyl Ester
- LNAA, Large Neutral Amino Acid transport system
- MAO-A/B, Monoamine Oxidase-A/B
- MPO, Multiparameter Optimization
- Mw, Molecular Weight
- NMDAR, N-Methyl D-Aspartate Receptor
- P, Partition Coefficient
- PAMPA, Parallel Artificial Membrane Permeability Assay
- PD, Parkinson's Disease
- PLP, Pyridoxal Phosphate
- PNS, Peripheral Nervous System
- Parkinson's disease, Dopamine, Blood–brain barrier, Permeability, Bioavailability, L-DOPA, Prodrugs, Inorganic scaffold, Icosahedral carborane
- SAM, S-Adenosyl L-Methionine
- STN, Subthalamic Nucleus
- TBP, Tetrahydrobiopterin
- UPDRS, Unified Parkinson's Disease Rating Scale
- VTA, Ventral Tegmental Are
- hBMECs, human Brain Microvascular Endothelial Cells
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Affiliation(s)
- Veronica Di Battista
- Leipzig University, Faculty of Chemistry and Mineralogy, Institute of Inorganic Chemistry, Johannisallee 29, 04103 Leipzig, Germany
| | - Evamarie Hey-Hawkins
- Leipzig University, Faculty of Chemistry and Mineralogy, Institute of Inorganic Chemistry, Johannisallee 29, 04103 Leipzig, Germany.
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8
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Salmina AB, Malinovskaya NA, Morgun AV, Khilazheva ED, Uspenskaya YA, Illarioshkin SN. Reproducibility of developmental neuroplasticity in in vitro brain tissue models. Rev Neurosci 2022; 33:531-554. [PMID: 34983132 DOI: 10.1515/revneuro-2021-0137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 12/13/2021] [Indexed: 11/15/2022]
Abstract
The current prevalence of neurodevelopmental, neurodegenerative diseases, stroke and brain injury stimulates studies aimed to identify new molecular targets, to select the drug candidates, to complete the whole set of preclinical and clinical trials, and to implement new drugs into routine neurological practice. Establishment of protocols based on microfluidics, blood-brain barrier- or neurovascular unit-on-chip, and microphysiological systems allowed improving the barrier characteristics and analyzing the regulation of local microcirculation, angiogenesis, and neurogenesis. Reconstruction of key mechanisms of brain development and even some aspects of experience-driven brain plasticity would be helpful in the establishment of brain in vitro models with the highest degree of reliability. Activity, metabolic status and expression pattern of cells within the models can be effectively assessed with the protocols of system biology, cell imaging, and functional cell analysis. The next generation of in vitro models should demonstrate high scalability, 3D or 4D complexity, possibility to be combined with other tissues or cell types within the microphysiological systems, compatibility with bio-inks or extracellular matrix-like materials, achievement of adequate vascularization, patient-specific characteristics, and opportunity to provide high-content screening. In this review, we will focus on currently available and prospective brain tissue in vitro models suitable for experimental and preclinical studies with the special focus on models enabling 4D reconstruction of brain tissue for the assessment of brain development, brain plasticity, and drug kinetics.
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Affiliation(s)
- Alla B Salmina
- Laboratory of Experimental Brain Cytology, Research Center of Neurology, Volokolamskoe Highway 80, Moscow, 125367, Russia.,Research Institute of Molecular Medicine & Pathobiochemistry, Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, P. Zhelenzyaka str., 1, Krasnoyarsk 660022, Russia
| | - Natalia A Malinovskaya
- Research Institute of Molecular Medicine & Pathobiochemistry, Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, P. Zhelenzyaka str., 1, Krasnoyarsk 660022, Russia
| | - Andrey V Morgun
- Department of Ambulatory Pediatrics, Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, P. Zheleznyaka str., 1, Krasnoyarsk 660022, Russia
| | - Elena D Khilazheva
- Research Institute of Molecular Medicine & Pathobiochemistry, Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, P. Zhelenzyaka str., 1, Krasnoyarsk 660022, Russia
| | - Yulia A Uspenskaya
- Research Institute of Molecular Medicine & Pathobiochemistry, Prof. V.F. Voino-Yasenetsky Krasnoyarsk State Medical University, P. Zhelenzyaka str., 1, Krasnoyarsk 660022, Russia
| | - Sergey N Illarioshkin
- Department of Brain Studies, Research Center of Neurology, Volokolamskoe Highway, 80, Moscow 125367, Russia
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Huang Y, Qiu F, Habgood M, Nie S, Dziegielewska K, Saunders N. Entry of the antipsychotic drug, olanzapine, into the developing rat brain in mono- and combination therapies. F1000Res 2022; 11:1417. [PMID: 36798113 PMCID: PMC9925881 DOI: 10.12688/f1000research.128074.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/15/2023] [Indexed: 02/22/2023] Open
Abstract
Background: Olanzapine is used to treat schizophrenia and bipolar disorder in women of childbearing age. Continuation of psychotropic medications throughout pregnancy and lactation is often required as cessation could be dangerous for both mother and child. However, there is a lack of information on the transfer of these drugs into the developing brain. Methods: Sprague Dawley rats at three developmental ages: embryonic day E19, postnatal day P4 and non-pregnant adult females were administered unlabelled or radiolabelled ( 3H) olanzapine (0.15 mg/kg) either as monotherapy or in combination with each of seven other common medications. Similar injections were administered to pregnant E19 females to investigate placental transfer. Olanzapine in plasma, cerebrospinal fluid (CSF) and brain was measured by liquid scintillation counting after a single dose (acute) or following 5 days of treatment (prolonged). Results: Olanzapine entry into brain and CSF was not age-dependent. Prolonged olanzapine treatment reduced placental transfer from 53% to 46% (p<0.05). Co-administration of digoxin or lamotrigine with olanzapine increased its entry into the fetal brain, whereas paracetamol decreased its entry into the CSF. Placental transfer of olanzapine was increased by co-treatment with cimetidine and digoxin, whereas co-treatment with lamotrigine, paracetamol or valproate led to a substantial decrease. Repeated co-treatment of digoxin and olanzapine increased olanzapine transfer into the brain and CSF, but not across the placenta. Overall entry of olanzapine from maternally administered drugs into the fetal brain was higher after combination therapy with cimetidine and digoxin. Conclusions: Co-administration of olanzapine with some commonly used drugs affected its entry into the fetus and its developing brain to a greater extent than in adults. It appears that protection of the fetal brain for these drugs primarily comes from the placenta rather than from the fetal brain barriers. Results suggest that drug combinations should be used with caution particularly during pregnancy.
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Affiliation(s)
- Yifan Huang
- Department of Neuroscience, Monash University, Melbourne, Victoria, 3004, Australia.,Department of Biochemistry and Pharmacology, University of Melbourne, Parkville, Victoria, 3010, Australia
| | - Fiona Qiu
- Department of Neuroscience, Monash University, Melbourne, Victoria, 3004, Australia
| | - Mark Habgood
- Department of Neuroscience, Monash University, Melbourne, Victoria, 3004, Australia.,Department of Biochemistry and Pharmacology, University of Melbourne, Parkville, Victoria, 3010, Australia
| | - Shuai Nie
- Melbourne Mass Spectrometry and Proteomics Facility, Bio 21 Molecular Science and Biotechnology Institute, University of Melbourne, Parkville, Victoria, 3010, Australia
| | - Katarzyna Dziegielewska
- Department of Neuroscience, Monash University, Melbourne, Victoria, 3004, Australia.,Department of Biochemistry and Pharmacology, University of Melbourne, Parkville, Victoria, 3010, Australia
| | - Norman Saunders
- Department of Neuroscience, Monash University, Melbourne, Victoria, 3004, Australia
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10
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Improving the Utility of a Dynorphin Peptide Analogue Using Mannosylated Glycoliposomes. Int J Mol Sci 2021; 22:ijms22157996. [PMID: 34360762 PMCID: PMC8348236 DOI: 10.3390/ijms22157996] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 07/20/2021] [Accepted: 07/23/2021] [Indexed: 12/27/2022] Open
Abstract
Peptide therapeutics offer numerous advantages in the treatment of diseases and disorders of the central nervous system (CNS). However, they are not without limitations, especially in terms of their pharmacokinetics where their metabolic lability and low blood–brain barrier penetration hinder their application. Targeted nanoparticle delivery systems are being tapped for their ability to improve the delivery of therapeutics into the brain non-invasively. We have developed a family of mannosylated glycoliposome delivery systems for targeted drug delivery applications. Herein, we demonstrate via in vivo distribution studies the potential of these glycoliposomes to improve the utility of CNS active therapeutics using dynantin, a potent and selective dynorphin peptide analogue antagonist of the kappa opioid receptor (KOR). Glycoliposomal entrapment protected dynantin against known rapid metabolic degradation and ultimately improved brain levels of the peptide by approximately 3–3.5-fold. Moreover, we linked this improved brain delivery with improved KOR antagonist activity by way of an approximately 30–40% positive modulation of striatal dopamine levels 20 min after intranasal administration. Overall, the results clearly highlight the potential of our glycoliposomes as a targeted delivery system for therapeutic agents of the CNS.
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11
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Abstract
![]()
Nanocarriers
(NCs) are promising tools to improve drug delivery
across the blood–brain barrier (BBB) for more effective treatment
of brain disorders, although there is a scarcity of clinical translation
of brain-directed NCs. In order to drive the development of brain-oriented
NCs toward clinical success, it is essential to understand the prerequisites
for nanodelivery to be successful in brain treatment. In this Perspective,
we present how pharmacokinetic/pharmacodynamic (PK/PD), formulation
and nanotoxicity factors impact the therapeutic success of brain-specific
nanodelivery. Properties including high loading efficiency, slow in vivo drug release, long systemic circulation, an increase
in unbound brain-to-plasma concentration/exposure ratio (Kp,uu,brain), high drug potency, and minimal nanotoxicity
are prerequisites that should preferably be combined to maximize the
therapeutic potential of a brain-targeted NC. The PK of brain-directed
NCs needs to be evaluated in a more therapeutically relevant manner,
focusing on the released, unbound drug. It is more crucial to increase
the Kp,uu,brain than to improve the ability
of the NC to cross the BBB in its intact form. Brain-targeted NCs,
which are mostly developed for treating brain tumors, including metastases,
should aim to enhance drug delivery not just to tumor regions with
disrupted BBB, but equally important to regions with intact BBB where
the drugs themselves have problems reaching. This article provides
critical insights into how a brain-targeted nanoformulation needs
to be designed and optimized to achieve therapeutic success in the
brain.
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Affiliation(s)
- Yang Hu
- Translational PKPD Research Group, Department of Pharmacy, Faculty of Pharmacy, Uppsala University, SE-751 23 Uppsala, Sweden
| | - Margareta Hammarlund-Udenaes
- Translational PKPD Research Group, Department of Pharmacy, Faculty of Pharmacy, Uppsala University, SE-751 23 Uppsala, Sweden
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12
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Lewicky JD, Fraleigh NL, Boraman A, Martel AL, Nguyen TMD, Schiller PW, Shiao TC, Roy R, Montaut S, Le HT. Mannosylated glycoliposomes for the delivery of a peptide kappa opioid receptor antagonist to the brain. Eur J Pharm Biopharm 2020; 154:290-296. [PMID: 32717389 DOI: 10.1016/j.ejpb.2020.07.021] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 06/03/2020] [Accepted: 07/21/2020] [Indexed: 10/23/2022]
Abstract
Dynantin is a potent and selective synthetic polypeptide kappa opioid receptor antagonist which has potential antidepressant and anxiolytic-like therapeutic applications, however its clinical development has been hampered by plasma stability issues and poor penetration of the blood brain barrier. Targeted liposome delivery systems represent a promising and non-invasive approach to improving the delivery of therapeutic agents across the blood brain barrier. As part of our work focused on targeted drug delivery, we have developed a novel mannosylated liposome system. Herein, we investigate these glycoliposomes for the targeted delivery of dynantin to the central nervous system. Cholesterol was tested and optimized as a formulation excipient, where it improved particle stability as measured via particle size, entrapment and ex vivo plasma stability of dynantin. The in vitro PRESTO-TANGO assay system was used to confirm that glycoliposomal entrapment did not impact the affinity or activity of the peptide at its receptor. Finally, in vivo distribution studies in mice showed that the mannosylated glycoliposomes significantly improved delivery of dynantin to the brain. Overall, the results clearly demonstrate the potential of our glycoliposomes as a targeted delivery system for therapeutic agents of the central nervous system.
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Affiliation(s)
- Jordan D Lewicky
- Health Sciences North Research Institute, 56 Walford Road, Sudbury, Ontario P3E 2H2, Canada
| | - Nya L Fraleigh
- Health Sciences North Research Institute, 56 Walford Road, Sudbury, Ontario P3E 2H2, Canada
| | - Amanda Boraman
- Health Sciences North Research Institute, 56 Walford Road, Sudbury, Ontario P3E 2H2, Canada; Department of Chemistry and Biochemistry, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada
| | - Alexandrine L Martel
- Health Sciences North Research Institute, 56 Walford Road, Sudbury, Ontario P3E 2H2, Canada
| | - Thi M-D Nguyen
- Laboratory of Chemical Biology and Peptide Research, Clinical Research Institute of Montreal, 110 Pine Avenue W, Montreal, Quebec H2W 1R7, Canada
| | - Peter W Schiller
- Laboratory of Chemical Biology and Peptide Research, Clinical Research Institute of Montreal, 110 Pine Avenue W, Montreal, Quebec H2W 1R7, Canada; Department of Pharmacology and Physiology, University of Montreal, 2900 Boulevard Édouard-Montpetit, Montreal, Quebec H3T 1J4, Canada
| | - Tze Chieh Shiao
- Department of Chemistry, Université du Québec à Montréal, Montreal, Quebec H3C 3P8, Canada
| | - René Roy
- Department of Chemistry, Université du Québec à Montréal, Montreal, Quebec H3C 3P8, Canada
| | - Sabine Montaut
- Department of Chemistry and Biochemistry, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada; Biomolecular Sciences Programme, Laurentian University, Subdury, Ontario, Canada
| | - Hoang-Thanh Le
- Health Sciences North Research Institute, 56 Walford Road, Sudbury, Ontario P3E 2H2, Canada; Department of Chemistry and Biochemistry, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada; Northern Ontario School of Medicine, Medicinal Sciences Division, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada; Department of Biology, Laurentian University, 935 Ramsey Lake Road, Sudbury, Ontario P3E 2C6, Canada.
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13
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Sola P, Krishnamurthy P, Chintamaneni PK, Pindiprolu SKS, Kumari M. Novel drug delivery systems of β2 adrenoreceptor agonists to suppress SNCA gene expression and mitochondrial oxidative stress in Parkinson’s disease management. Expert Opin Drug Deliv 2020; 17:1119-1132. [DOI: 10.1080/17425247.2020.1779218] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Piyong Sola
- Department of Pharmacology, JSS College of Pharmacy (A Constituent College of JSS Academy of Higher Education & Research), Ooty, The Nilgiris, Tamil Nadu, India
| | - Praveen Krishnamurthy
- Department of Pharmacology, JSS College of Pharmacy (A Constituent College of JSS Academy of Higher Education & Research), Ooty, The Nilgiris, Tamil Nadu, India
| | - Pavan Kumar Chintamaneni
- Department of Pharmacology, JSS College of Pharmacy (A Constituent College of JSS Academy of Higher Education & Research), Ooty, The Nilgiris, Tamil Nadu, India
| | - Sai Kiran S.S Pindiprolu
- Department of Pharmacology, JSS College of Pharmacy (A Constituent College of JSS Academy of Higher Education & Research), Ooty, The Nilgiris, Tamil Nadu, India
| | - Mamta Kumari
- Department of Pharmacology, JSS College of Pharmacy (A Constituent College of JSS Academy of Higher Education & Research), Ooty, The Nilgiris, Tamil Nadu, India
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14
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Sayour H, Kassem S, Canfarotta F, Czulak J, Mohamed M, Piletsky S. Biocompatibility and biodistribution of surface-modified yttrium oxide nanoparticles for potential theranostic applications. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:19095-19107. [PMID: 30710327 DOI: 10.1007/s11356-019-04309-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Accepted: 01/22/2019] [Indexed: 06/09/2023]
Abstract
The surface of ultrafine yttrium oxide nanoparticles (NPs) with mean size of 7-8 nm was modified with a functional polymer layer to improve their dispersion and impart fluorescent properties for imaging purposes. Surface functionalization was achieved by silanization of yttrium oxide NPs with 3-trimethoxysilylpropyl methacrylate followed by grafting of a co-polymer made of acrylic acid (AA) and ethylene glycol methacrylate phosphate (EGMP). The polymer shell decreases the surface energy of NPs, enhances their polarity, and, as a result, improves their colloidal stability. The synthesized NPs are capable of scavenging free radicals and for this reason have therapeutic potential that warrants further investigations. Furthermore, these stabilized core-shell NPs showed a very low cytotoxicity, confirming that the polymer shell sensibly improves the biocompatibility of bare yttrium oxide NPs, which are otherwise toxic on their own. Poly-EGMP yttrium NPs proved to be safe up to 0.1 mg/g body weight in 1 month old Sprague-Dawley rats, showing also the ability to cross the blood-brain barrier short time after tail injection. The surface modification of yttrium NPs here described allows these NPs to be potentially used in theranostics to reduce neurodegenerative damage due to the heat stress.
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Affiliation(s)
- Hossam Sayour
- Biomedical Chemistry Unit, Department of Chemistry and Nutritional Deficiency Disorders, Animal Health Research Institute, Giza, 12618, Egypt.
| | - Samr Kassem
- Department of Biotechnology, Animal Health Research Institute, Giza, 12618, Egypt
| | - Francesco Canfarotta
- MIP Diagnostics Ltd., University of Leicester, Fielding Johnson Building, University Road, Leicester, LE1 7RH, UK
| | - Joanna Czulak
- Department of Chemistry, University of Leicester, University Road, Leicester, LE1 7RH, UK
| | - Medhat Mohamed
- Department of Animal Medicine, Faculty of Veterinary Medicine, University of Kafr El-Sheikh, Kafr El-Sheikh, Egypt
| | - Sergey Piletsky
- Department of Chemistry, University of Leicester, University Road, Leicester, LE1 7RH, UK
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15
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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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16
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Ji X, Wang H, Chen Y, Zhou J, Liu Y. Recombinant expressing angiopep-2 fused anti-VEGF single chain Fab (scFab) could cross blood-brain barrier and target glioma. AMB Express 2019; 9:165. [PMID: 31617104 PMCID: PMC6794332 DOI: 10.1186/s13568-019-0869-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 08/30/2019] [Indexed: 12/22/2022] Open
Abstract
In 2009, the FDA approved bevacizumab for the treatment of adult patients diagnosed with recurrent glioblastoma. However, the poor permeability of the macromolecules across the blood–brain barrier, determined by multifactorial anatomical and physiological milieu, restricts the clinical therapeutic effect of bevacizumab. The low-density lipoprotein receptor related protein 1 (LRP1) is highly expressed in the endothelial cells of the brain capillary and the glioma cells. Angiopep-2 (ANG) is a 19-aa oligopeptide that can bind to LRP1 and penetrate the blood–brain barrier by receptor-mediated transport. Therefore, ANG can be used as a dual-targeting drug delivery carrier into the brain and the glioma sites. In this study, ANG gene was fused with the C-terminal domain of single-chain antigen binding fragment (scFab) of the anti-VEGF antibody and recombinant scFab-ANG protein was expressed and purified using Rosatte (DE3) strain. We confirmed that ANG could carry anti-VEGF-scFab, penetrate a three-dimensional model of the brain tumor, and cross the hCMEC/D3 monolayer in the in vitro blood–brain barrier model. The animal experiments demonstrated that 3 h after the tail intravenous protein injection, the fluorescent signals in the brains of the mice in the scFab-ANG group were stronger than that in the scFab group. Furthermore, the study of the in situ rat glioma model shows that scFab-ANG could target glioma while anti-VEGF-scFab could not. These findings indicate that scFab-ANG had stronger transepithelial permeability and glioma targeting capacity. Thus, it can be a potential candidate drug for glioblastoma therapy.
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Zhang X, Ding K, Wang J, Li X, Zhao P. Chemoresistance caused by the microenvironment of glioblastoma and the corresponding solutions. Biomed Pharmacother 2018; 109:39-46. [PMID: 30391707 DOI: 10.1016/j.biopha.2018.10.063] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 10/03/2018] [Accepted: 10/12/2018] [Indexed: 12/30/2022] Open
Abstract
Glioblastoma multiforme (GBM) is the most common and aggressive primary human brain tumor. Although comprehensive therapies combining radiotherapy and chemotherapy after surgery can prolong survival, the prognosis is still poor with a median survival of only 14.6 months. Chemoresistance is one of the major causes of relapse as well as poor survival in glioma patients. Therefore, novel strategies to overcome chemoresistance are desperately needed for improved treatment of human GBM. Recent studies have demonstrated that the tumor microenvironment plays a critical role in the chemoresistance of various tumor types, which makes it a suitable target in anti-cancer therapies, as well as a valuable biomarker for prognostic purposes. This review focuses on chemoresistance in GBM induced by stromal cells, including the endothelium of blood vessels, astrocytes, and myeloid cells, as well as non-cellular factors in the tumor microenvironment. Corresponding therapies are discussed, including progressive strategies involving 3-dimensional models integrating engineering as well as biological advances.
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Affiliation(s)
- Xin Zhang
- Department of Neurosurgery, Qilu Hospital of Shandong University, Institute of Brain and Brain-Inspired Science, Shandong University, PR China; Shandong Key Laboratory of Brain Function Remodeling, PR China
| | - Kaikai Ding
- Shandong Key Laboratory of Brain Function Remodeling, PR China; Department of Radiation Oncology, Qilu Hospital of Shandong University, Jinan, 250012, PR China
| | - Jian Wang
- Department of Neurosurgery, Qilu Hospital of Shandong University, Institute of Brain and Brain-Inspired Science, Shandong University, PR China; Shandong Key Laboratory of Brain Function Remodeling, PR China; Department of Biomedicine, University of Bergen, 5009, Bergen, Norway
| | - Xingang Li
- Department of Neurosurgery, Qilu Hospital of Shandong University, Institute of Brain and Brain-Inspired Science, Shandong University, PR China; Shandong Key Laboratory of Brain Function Remodeling, PR China
| | - Peng Zhao
- Department of Neurosurgery, Qilu Hospital of Shandong University, Institute of Brain and Brain-Inspired Science, Shandong University, PR China; Shandong Key Laboratory of Brain Function Remodeling, PR China.
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18
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Rodriguez‐Otormin F, Duro‐Castano A, Conejos‐Sánchez I, Vicent MJ. Envisioning the future of polymer therapeutics for brain disorders. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2018; 11:e1532. [DOI: 10.1002/wnan.1532] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 04/24/2018] [Accepted: 05/09/2018] [Indexed: 01/09/2023]
Affiliation(s)
| | - Aroa Duro‐Castano
- Polymer Therapeutics Laboratory Centro de Investigación Príncipe Felipe Valencia Spain
| | | | - María J. Vicent
- Polymer Therapeutics Laboratory Centro de Investigación Príncipe Felipe Valencia Spain
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19
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Scioli Montoto S, Sbaraglini ML, Talevi A, Couyoupetrou M, Di Ianni M, Pesce GO, Alvarez VA, Bruno-Blanch LE, Castro GR, Ruiz ME, Islan GA. Carbamazepine-loaded solid lipid nanoparticles and nanostructured lipid carriers: Physicochemical characterization and in vitro/in vivo evaluation. Colloids Surf B Biointerfaces 2018; 167:73-81. [PMID: 29627680 DOI: 10.1016/j.colsurfb.2018.03.052] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Revised: 02/21/2018] [Accepted: 03/30/2018] [Indexed: 01/16/2023]
Abstract
Solid lipid nanoparticles (SLN) and nanostructured lipid carriers (NLC) represent promising alternatives for drug delivery to the central nervous system. In the present work, four different nanoformulations of the antiepileptic drug Carbamazepine (CBZ) were designed and prepared by the homogenization/ultrasonication method, with encapsulation efficiencies ranging from 82.8 to 93.8%. The formulations remained stable at 4 °C for at least 3 months. Physicochemical and microscopic characterization were performed by photon correlation spectroscopy (PCS), transmission electron microscopy (TEM), atomic force microscopy (AFM); thermal properties by differential scanning calorimetry (DSC), thermogravimetry (TGA) and X-ray diffraction analysis (XRD). The results indicated the presence of spherical shape nanoparticles with a mean particle diameter around 160 nm in a narrow size distribution; the entrapped CBZ displayed an amorphous state. The in vitro release profile of CBZ fitted into a Baker-Lonsdale model for spherical matrices and almost the 100% of the encapsulated drug was released in a controlled manner during the first 24 h. The apparent permeability of CBZ-loaded nanoparticles through a cell monolayer model was similar to that of the free drug. In vivo experiments in a mice model of seizure suggested protection by CBZ-NLC against seizures for at least 2 h after intraperitoneal administration. The developed CBZ-loaded lipid nanocarriers displayed optimal characteristics of size, shape and drug release and possibly represent a promising tool to improve the treatment of refractory epilepsy linked to efflux transporters upregulation.
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Affiliation(s)
- S Scioli Montoto
- Laboratorio de Investigación y Desarrollo de Bioactivos (LIDeB), Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP), Calle 47 y 115, B1900AJI, La Plata, Buenos Aires, Argentina
| | - M L Sbaraglini
- Laboratorio de Investigación y Desarrollo de Bioactivos (LIDeB), Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP), Calle 47 y 115, B1900AJI, La Plata, Buenos Aires, Argentina
| | - A Talevi
- Laboratorio de Investigación y Desarrollo de Bioactivos (LIDeB), Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP), Calle 47 y 115, B1900AJI, La Plata, Buenos Aires, Argentina
| | - M Couyoupetrou
- Departamento de Farmacología, Instituto Nacional de Medicamentos (INAME), Administración Nacional de Medicamentos, Alimentos y Tecnología Médica (ANMAT), CABA, Buenos Aires, Argentina
| | - M Di Ianni
- Laboratorio de Investigación y Desarrollo de Bioactivos (LIDeB), Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP), Calle 47 y 115, B1900AJI, La Plata, Buenos Aires, Argentina
| | - G O Pesce
- Departamento de Farmacología, Instituto Nacional de Medicamentos (INAME), Administración Nacional de Medicamentos, Alimentos y Tecnología Médica (ANMAT), CABA, Buenos Aires, Argentina
| | - V A Alvarez
- Grupo de Materiales Compuestos de Matriz Polimérica (CoMP), Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA), Facultad de Ingeniería, Universidad Nacional de Mar del Plata (UNMDP) - CONICET, Solis 7575, B7608FDQ, Mar del Plata, Buenos Aires, Argentina
| | - L E Bruno-Blanch
- Laboratorio de Investigación y Desarrollo de Bioactivos (LIDeB), Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP), Calle 47 y 115, B1900AJI, La Plata, Buenos Aires, Argentina
| | - G R Castro
- Laboratorio de Nanobiomateriales, CINDEFI, Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP) -CONICET (CCT La Plata), Calle 47 y 115, B1900AJI, La Plata, Buenos Aires, Argentina
| | - M E Ruiz
- Laboratorio de Investigación y Desarrollo de Bioactivos (LIDeB), Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP), Calle 47 y 115, B1900AJI, La Plata, Buenos Aires, Argentina.
| | - G A Islan
- Laboratorio de Nanobiomateriales, CINDEFI, Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP) -CONICET (CCT La Plata), Calle 47 y 115, B1900AJI, La Plata, Buenos Aires, Argentina.
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20
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A brain targeting functionalized liposomes of the dopamine derivative N-3,4-bis(pivaloyloxy)-dopamine for treatment of Parkinson's disease. J Control Release 2018; 277:173-182. [PMID: 29588159 DOI: 10.1016/j.jconrel.2018.03.019] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 02/26/2018] [Accepted: 03/19/2018] [Indexed: 12/26/2022]
Abstract
Parkinson's disease (PD) remains one of the most common neurodegenerative movement disorders with limited treatment options available. A dopamine derivative N-3,4-bis(pivaloyloxy)-dopamine (BPD) previously developed in our group has demonstrated superior therapeutic outcome compared to levodopa in a PD mice model. To further improve the therapeutic performance of BPD, a brain targeted drug delivery system was designed using a 29 amino-acid peptide (RVG29) derived from rabies virus glycoprotein as the targeting ligand. RVG29 functionalized liposomes (RVG29-lip) showed significantly higher uptake efficiency in murine brain endothelial cells and dopaminergic cells, and high penetration efficiency across the blood brain barrier (BBB) in vitro. In vivo and ex vivo distribution studies demonstrated RVG29-lip selectively distributed to the brain, striatum and substantia nigra. Furthermore, BPD loaded RVG29-lip (BPD-RVG29-lip) exhibited improved therapeutic efficacy in a PD mouse model, while causing no obvious systemic toxicity after intravenous administration. Thus, BPD-RVG29-lip represents a highly promising approach for the brain targeted treatment of PD.
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21
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Abstract
Drug bioavailability to the developing brain is a major concern in the treatment of neonates and infants as well as pregnant and breast-feeding women. Central adverse drug reactions can have dramatic consequences for brain development, leading to major neurological impairment. Factors setting the cerebral bioavailability of drugs include protein-unbound drug concentration in plasma, local cerebral blood flow, permeability across blood-brain interfaces, binding to neural cells, volume of cerebral fluid compartments, and cerebrospinal fluid secretion rate. Most of these factors change during development, which will affect cerebral drug concentrations. Regarding the impact of blood-brain interfaces, the blood-brain barrier located at the cerebral endothelium and the blood-cerebrospinal fluid barrier located at the choroid plexus epithelium both display a tight phenotype early on in embryos. However, the developmental regulation of some multispecific efflux transporters that also limit the entry of numerous drugs into the brain through barrier cells is expected to favor drug penetration in the neonatal brain. Finally, drug cerebral bioavailability is likely to be affected following perinatal injuries that alter blood-brain interface properties. A thorough investigation of these mechanisms is mandatory for a better risk assessment of drug treatments in pregnant or breast-feeding women, and in neonate and pediatric patients.
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Affiliation(s)
- Jean-François Ghersi-Egea
- FLUID Team, Lyon Neurosciences Research Center, INSERM U1028 CRNS UMR 5292, Université Claude Bernard Lyon-1, 69008, Lyon, France.
- Blood-Brain Interfaces Exploratory Platform BIP, Lyon Neurosciences Research Center, 69008, Lyon, France.
| | - Elodie Saudrais
- FLUID Team, Lyon Neurosciences Research Center, INSERM U1028 CRNS UMR 5292, Université Claude Bernard Lyon-1, 69008, Lyon, France
- Blood-Brain Interfaces Exploratory Platform BIP, Lyon Neurosciences Research Center, 69008, Lyon, France
| | - Nathalie Strazielle
- FLUID Team, Lyon Neurosciences Research Center, INSERM U1028 CRNS UMR 5292, Université Claude Bernard Lyon-1, 69008, Lyon, France
- Blood-Brain Interfaces Exploratory Platform BIP, Lyon Neurosciences Research Center, 69008, Lyon, France
- Brain-I, 69008, Lyon, France
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22
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David M, Lécorché P, Masse M, Faucon A, Abouzid K, Gaudin N, Varini K, Gassiot F, Ferracci G, Jacquot G, Vlieghe P, Khrestchatisky M. Identification and characterization of highly versatile peptide-vectors that bind non-competitively to the low-density lipoprotein receptor for in vivo targeting and delivery of small molecules and protein cargos. PLoS One 2018; 13:e0191052. [PMID: 29485998 PMCID: PMC5828360 DOI: 10.1371/journal.pone.0191052] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Accepted: 12/27/2017] [Indexed: 01/09/2023] Open
Abstract
Insufficient membrane penetration of drugs, in particular biotherapeutics and/or low target specificity remain a major drawback in their efficacy. We propose here the rational characterization and optimization of peptides to be developed as vectors that target cells expressing specific receptors involved in endocytosis or transcytosis. Among receptors involved in receptor-mediated transport is the LDL receptor. Screening complex phage-displayed peptide libraries on the human LDLR (hLDLR) stably expressed in cell lines led to the characterization of a family of cyclic and linear peptides that specifically bind the hLDLR. The VH411 lead cyclic peptide allowed endocytosis of payloads such as the S-Tag peptide or antibodies into cells expressing the hLDLR. Size reduction and chemical optimization of this lead peptide-vector led to improved receptor affinity. The optimized peptide-vectors were successfully conjugated to cargos of different nature and size including small organic molecules, siRNAs, peptides or a protein moiety such as an Fc fragment. We show that in all cases, the peptide-vectors retain their binding affinity to the hLDLR and potential for endocytosis. Following i.v. administration in wild type or ldlr-/- mice, an Fc fragment chemically conjugated or fused in C-terminal to peptide-vectors showed significant biodistribution in LDLR-enriched organs. We have thus developed highly versatile peptide-vectors endowed with good affinity for the LDLR as a target receptor. These peptide-vectors have the potential to be further developed for efficient transport of therapeutic or imaging agents into cells -including pathological cells-or organs that express the LDLR.
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Affiliation(s)
| | | | | | | | | | | | - Karine Varini
- VECT-HORUS SAS, Marseille, France
- Aix Marseille Univ, CNRS, NICN, Marseille, France
| | | | - Géraldine Ferracci
- Aix Marseille Univ, CNRS, CRN2M, Marseille, France
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, Marseille, France
| | | | | | - Michel Khrestchatisky
- Aix Marseille Univ, CNRS, NICN, Marseille, France
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, Marseille, France
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23
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Cacciatore I, Ciulla M, Marinelli L, Eusepi P, Di Stefano A. Advances in prodrug design for Parkinson’s disease. Expert Opin Drug Discov 2018; 13:295-305. [DOI: 10.1080/17460441.2018.1429400] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ivana Cacciatore
- Department of Pharmacy, University ‘G. D’Annunzio’ Chieti-Pescara, Chieti, Italy
| | - Michele Ciulla
- Department of Pharmacy, University ‘G. D’Annunzio’ Chieti-Pescara, Chieti, Italy
| | - Lisa Marinelli
- Department of Pharmacy, University ‘G. D’Annunzio’ Chieti-Pescara, Chieti, Italy
| | - Piera Eusepi
- Department of Pharmacy, University ‘G. D’Annunzio’ Chieti-Pescara, Chieti, Italy
| | - Antonio Di Stefano
- Department of Pharmacy, University ‘G. D’Annunzio’ Chieti-Pescara, Chieti, Italy
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Strazielle N, Ghersi-Egea JF. Potential Pathways for CNS Drug Delivery Across the Blood-Cerebrospinal Fluid Barrier. Curr Pharm Des 2017; 22:5463-5476. [PMID: 27464721 PMCID: PMC5421134 DOI: 10.2174/1381612822666160726112115] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Accepted: 07/27/2016] [Indexed: 12/24/2022]
Abstract
The blood-brain interfaces restrict the cerebral bioavailability of pharmacological compounds. Various drug delivery strategies have been developed to improve drug penetration into the brain. Most strategies target the microvascular endothelium forming the blood-brain barrier proper. Targeting the blood-cerebrospinal fluid (CSF) barrier formed by the epithelium of the choroid plexuses in addition to the blood-brain barrier may offer added-value for the treatment of central nervous system diseases. For instance, targeting the CSF spaces, adjacent tissue, or the choroid plexuses themselves is of interest for the treatment of neuroinflammatory and infectious diseases, cerebral amyloid angiopathy, selected brain tumors, hydrocephalus or neurohumoral dysregulation. Selected CSF-borne materials seem to reach deep cerebral structures by mechanisms that need to be understood in the context of chronic CSF delivery. Drug delivery through both barriers can reduce CSF sink action towards parenchymal drugs. Finally, targeting the choroid plexus-CSF system can be especially relevant in the context of neonatal and pediatric diseases of the central nervous system. Transcytosis appears the most promising mechanism to target in order to improve drug delivery through brain barriers. The choroid plexus epithelium displays strong vesicular trafficking and secretory activities that deserve to be explored in the context of cerebral drug delivery. Folate transport and exosome release into the CSF, plasma protein transport, and various receptor-mediated endocytosis pathways may prove useful mechanisms to exploit for efficient drug delivery into the CSF. This calls for a clear evaluation of transcytosis mechanisms at the blood-CSF barrier, and a thorough evaluation of CSF drug delivery rates.
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Affiliation(s)
- Nathalie Strazielle
- Blood-Brain Interfaces Exploratory Platform BIP, Lyon Neurosciences Research Center, Faculty of medicine Laennec, Rue G Paradin, 69008, Lyon, France.
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Nedelcovych MT, Tenora L, Kim BH, Kelschenbach J, Chao W, Hadas E, Jančařík A, Prchalová E, Zimmermann SC, Dash RP, Gadiano AJ, Garrett C, Furtmüller G, Oh B, Brandacher G, Alt J, Majer P, Volsky DJ, Rais R, Slusher BS. N-(Pivaloyloxy)alkoxy-carbonyl Prodrugs of the Glutamine Antagonist 6-Diazo-5-oxo-l-norleucine (DON) as a Potential Treatment for HIV Associated Neurocognitive Disorders. J Med Chem 2017; 60:7186-7198. [PMID: 28759224 DOI: 10.1021/acs.jmedchem.7b00966] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Aberrant excitatory neurotransmission associated with overproduction of glutamate has been implicated in the development of HIV-associated neurocognitive disorders (HAND). The glutamine antagonist 6-diazo-5-oxo-l-norleucine (DON, 14) attenuates glutamate synthesis in HIV-infected microglia/macrophages, offering therapeutic potential for HAND. We show that 14 prevents manifestation of spatial memory deficits in chimeric EcoHIV-infected mice, a model of HAND. 14 is not clinically available, however, because its development was hampered by peripheral toxicities. We describe the synthesis of several substituted N-(pivaloyloxy)alkoxy-carbonyl prodrugs of 14 designed to circulate inert in plasma and be taken up and biotransformed to 14 in the brain. The lead prodrug, isopropyl 6-diazo-5-oxo-2-(((phenyl(pivaloyloxy)methoxy)carbonyl)amino)hexanoate (13d), was stable in swine and human plasma but liberated 14 in swine brain homogenate. When dosed systemically in swine, 13d provided a 15-fold enhanced CSF-to-plasma ratio and a 9-fold enhanced brain-to-plasma ratio relative to 14, opening a possible clinical path for the treatment of HAND.
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Affiliation(s)
| | - Lukáš Tenora
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic vvi , 166 10 Prague, Czech Republic
| | - Boe-Hyun Kim
- Department of Medicine, Icahn School of Medicine at Mount Sinai , New York, New York 10029, United States
| | - Jennifer Kelschenbach
- Department of Medicine, Icahn School of Medicine at Mount Sinai , New York, New York 10029, United States
| | - Wei Chao
- Department of Medicine, Icahn School of Medicine at Mount Sinai , New York, New York 10029, United States
| | - Eran Hadas
- Department of Medicine, Icahn School of Medicine at Mount Sinai , New York, New York 10029, United States
| | - Andrej Jančařík
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic vvi , 166 10 Prague, Czech Republic
| | - Eva Prchalová
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic vvi , 166 10 Prague, Czech Republic
| | | | | | | | | | | | | | | | | | - Pavel Majer
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic vvi , 166 10 Prague, Czech Republic
| | - David J Volsky
- Department of Medicine, Icahn School of Medicine at Mount Sinai , New York, New York 10029, United States
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Praetorius J, Damkier HH. Transport across the choroid plexus epithelium. Am J Physiol Cell Physiol 2017; 312:C673-C686. [PMID: 28330845 DOI: 10.1152/ajpcell.00041.2017] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 03/17/2017] [Accepted: 03/17/2017] [Indexed: 11/22/2022]
Abstract
The choroid plexus epithelium is a secretory epithelium par excellence. However, this is perhaps not the most prominent reason for the massive interest in this modest-sized tissue residing inside the brain ventricles. Most likely, the dominant reason for extensive studies of the choroid plexus is the identification of this epithelium as the source of the majority of intraventricular cerebrospinal fluid. This finding has direct relevance for studies of diseases and conditions with deranged central fluid volume or ionic balance. While the concept is supported by the vast majority of the literature, the implication of the choroid plexus in secretion of the cerebrospinal fluid was recently challenged once again. Three newer and promising areas of current choroid plexus-related investigations are as follows: 1) the choroid plexus epithelium as the source of mediators necessary for central nervous system development, 2) the choroid plexus as a route for microorganisms and immune cells into the central nervous system, and 3) the choroid plexus as a potential route for drug delivery into the central nervous system, bypassing the blood-brain barrier. Thus, the purpose of this review is to highlight current active areas of research in the choroid plexus physiology and a few matters of continuous controversy.
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Affiliation(s)
- Jeppe Praetorius
- Department of Biomedicine, Health, Aarhus University, Aarhus, Denmark; and
| | - Helle Hasager Damkier
- Department of Biomedicine, Health, Aarhus University, Aarhus, Denmark; and.,Department of Cellular and Molecular Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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Escalona-Rayo O, Fuentes-Vázquez P, Leyva-Gómez G, Cisneros B, Villalobos R, Magaña JJ, Quintanar-Guerrero D. Nanoparticulate strategies for the treatment of polyglutamine diseases by halting the protein aggregation process. Drug Dev Ind Pharm 2017; 43:871-888. [PMID: 28142290 DOI: 10.1080/03639045.2017.1281949] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Polyglutamine (polyQ) diseases are a class of neurodegenerative disorders that cause cellular dysfunction and, eventually, neuronal death in specific regions of the brain. Neurodegeneration is linked to the misfolding and aggregation of expanded polyQ-containing proteins, and their inhibition is one of major therapeutic strategies used commonly. However, successful treatment has been limited to date because of the intrinsic properties of therapeutic agents (poor water solubility, low bioavailability, poor pharmacokinetic properties), and difficulty in crossing physiological barriers, including the blood-brain barrier (BBB). In order to solve these problems, nanoparticulate systems with dimensions of 1-1000 nm able to incorporate small and macromolecules with therapeutic value, to protect and deliver them directly to the brain, have recently been developed, but their use for targeting polyQ disease-mediated protein misfolding and aggregation remains scarce. This review provides an update of the polyQ protein aggregation process and the development of therapeutic strategies for halting it. The main features that a nanoparticulate system should possess in order to enhance brain delivery are discussed, as well as the different types of materials utilized to produce them. The final part of this review focuses on the potential application of nanoparticulate system strategies to improve the specific and efficient delivery of therapeutic agents to the brain for the treatment of polyQ diseases.
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Affiliation(s)
- Oscar Escalona-Rayo
- a Laboratorio de Investigación y Posgrado en Tecnología Farmacéutica, Facultad de Estudios Superiores Cuautitlán , Universidad Nacional Autónoma de México (UNAM) , Cuautitlán Izcalli , Mexico
| | - Paulina Fuentes-Vázquez
- a Laboratorio de Investigación y Posgrado en Tecnología Farmacéutica, Facultad de Estudios Superiores Cuautitlán , Universidad Nacional Autónoma de México (UNAM) , Cuautitlán Izcalli , Mexico
| | - Gerardo Leyva-Gómez
- b Laboratory of Connective Tissue , CENIAQ, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra , Mexico City , Mexico
| | - Bulmaro Cisneros
- c Department of Genetics and Molecular Biology , CINVESTAV-IPN , Mexico City , Mexico
| | - Rafael Villalobos
- d División de Estudios de Posgrado (Tecnología Farmacéutica), Facultad de Estudios Superiores Cuautitlán , Universidad Nacional Autónoma de México (UNAM) , Cuautitlán Izcalli , Mexico
| | - Jonathan J Magaña
- e Laboratory of Genomic Medicine, Department of Genetics , Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra , Mexico City , Mexico
| | - David Quintanar-Guerrero
- a Laboratorio de Investigación y Posgrado en Tecnología Farmacéutica, Facultad de Estudios Superiores Cuautitlán , Universidad Nacional Autónoma de México (UNAM) , Cuautitlán Izcalli , Mexico
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Marianecci C, Rinaldi F, Hanieh PN, Di Marzio L, Paolino D, Carafa M. Drug delivery in overcoming the blood-brain barrier: role of nasal mucosal grafting. Drug Des Devel Ther 2017; 11:325-335. [PMID: 28184152 PMCID: PMC5291459 DOI: 10.2147/dddt.s100075] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The blood-brain barrier (BBB) plays a fundamental role in protecting and maintaining the homeostasis of the brain. For this reason, drug delivery to the brain is much more difficult than that to other compartments of the body. In order to bypass or cross the BBB, many strategies have been developed: invasive techniques, such as temporary disruption of the BBB or direct intraventricular and intracerebral administration of the drug, as well as noninvasive techniques. Preliminary results, reported in the large number of studies on the potential strategies for brain delivery, are encouraging, but it is far too early to draw any conclusion about the actual use of these therapeutic approaches. Among the most recent, but still pioneering, approaches related to the nasal mucosa properties, the permeabilization of the BBB via nasal mucosal engrafting can offer new potential opportunities. It should be emphasized that this surgical procedure is quite invasive, but the implication for patient outcome needs to be compared to the gold standard of direct intracranial injection, and evaluated whilst keeping in mind that central nervous system diseases and lysosomal storage diseases are chronic and severely debilitating and that up to now no therapy seems to be completely successful.
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Affiliation(s)
- Carlotta Marianecci
- Department of Drug Chemistry and Technology, University of Rome “Sapienza”, Rome, Italy
| | - Federica Rinaldi
- Center for Life Nano Science@ Sapienza, Fondazione Istituto Italiano di Tecnologia, Rome, Italy
| | - Patrizia Nadia Hanieh
- Department of Drug Chemistry and Technology, University of Rome “Sapienza”, Rome, Italy
| | - Luisa Di Marzio
- Department of Pharmacy, University “G. d’Annunzio”, Chieti, Italy
| | - Donatella Paolino
- IRC FSH-Interregional Research Center for Food Safety & Health, Campus Universitario “S. Venuta”, University of Catanzaro “Magna Græcia”, Catanzaro, Italy
- Department of Health Sciences, Campus Universitario “S. Venuta”, University of Catanzaro “Magna Græcia”, Catanzaro, Italy
| | - Maria Carafa
- Department of Drug Chemistry and Technology, University of Rome “Sapienza”, Rome, Italy
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Molino Y, David M, Varini K, Jabès F, Gaudin N, Fortoul A, Bakloul K, Masse M, Bernard A, Drobecq L, Lécorché P, Temsamani J, Jacquot G, Khrestchatisky M. Use of LDL receptor-targeting peptide vectors for in vitro and in vivo cargo transport across the blood-brain barrier. FASEB J 2017; 31:1807-1827. [PMID: 28108572 DOI: 10.1096/fj.201600827r] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Accepted: 01/03/2017] [Indexed: 01/16/2023]
Abstract
The blood-brain barrier (BBB) prevents the entry of many drugs into the brain and, thus, is a major obstacle in the treatment of CNS diseases. There is some evidence that the LDL receptor (LDLR) is expressed at the BBB and may participate in the transport of endogenous ligands from blood to brain, a process referred to as receptor-mediated transcytosis. We previously described a family of peptide vectors that were developed to target the LDLR. In the present study, in vitro BBB models that were derived from wild-type and LDLR-knockout animals (ldlr-/- ) were used to validate the specific LDLR-dependent transcytosis of LDL via a nondegradative route. We next showed that LDLR-targeting peptide vectors, whether in fusion or chemically conjugated to an Ab Fc fragment, promote binding to apical LDLR and transendothelial transfer of the Fc fragment across BBB monolayers via the same route as LDL. Finally, we demonstrated in vivo that LDLR significantly contributes to the brain uptake of vectorized Fc. We thus provide further evidence that LDLR is a relevant receptor for CNS drug delivery via receptor-mediated transcytosis and that the peptide vectors we developed have the potential to transport drugs, including proteins or Ab based, across the BBB.-Molino, Y., David, M., Varini, K., Jabès, F., Gaudin, N., Fortoul, A., Bakloul, K., Masse, M., Bernard, A., Drobecq, L., Lécorché, P., Temsamani, J., Jacquot, G., Khrestchatisky, M. Use of LDL receptor-targeting peptide vectors for in vitro and in vivo cargo transport across the blood-brain barrier.
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Affiliation(s)
- Yves Molino
- Vect-Horus S.A.S., Faculté de Médecine, Marseille, France; and
| | - Marion David
- Vect-Horus S.A.S., Faculté de Médecine, Marseille, France; and
| | - Karine Varini
- Aix Marseille Université, Centre National de la Recherche Scientifique, Neurobiologie des Interactions Cellulaires et Neurophysiopathologie, Marseille, France
| | - Françoise Jabès
- Vect-Horus S.A.S., Faculté de Médecine, Marseille, France; and
| | - Nicolas Gaudin
- Aix Marseille Université, Centre National de la Recherche Scientifique, Neurobiologie des Interactions Cellulaires et Neurophysiopathologie, Marseille, France
| | - Aude Fortoul
- Vect-Horus S.A.S., Faculté de Médecine, Marseille, France; and
| | - Karima Bakloul
- Vect-Horus S.A.S., Faculté de Médecine, Marseille, France; and
| | - Maxime Masse
- Vect-Horus S.A.S., Faculté de Médecine, Marseille, France; and
| | - Anne Bernard
- Aix Marseille Université, Centre National de la Recherche Scientifique, Neurobiologie des Interactions Cellulaires et Neurophysiopathologie, Marseille, France
| | - Lucile Drobecq
- Vect-Horus S.A.S., Faculté de Médecine, Marseille, France; and
| | | | - Jamal Temsamani
- Vect-Horus S.A.S., Faculté de Médecine, Marseille, France; and
| | | | - Michel Khrestchatisky
- Aix Marseille Université, Centre National de la Recherche Scientifique, Neurobiologie des Interactions Cellulaires et Neurophysiopathologie, Marseille, France
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Abstract
Systemic application of therapeutics to the CNS tissue often results in subtherapeutic drug levels, because of restricted and selective penetration through the blood-brain barrier (BBB). Here, we give a detailed description of a standardized technique for intrathecal drug delivery in rodents, analogous to the technique used in humans. The intrathecal drug delivery method bypasses the BBB and thereby offers key advantages over oral or intravenous administration, such as maximized local drug doses with minimal systemic side effects. We describe how to deliver antibodies or drugs over several days or weeks from a s.c. minipump and a fine catheter inserted into the subdural space over the spinal cord (20 min operative time) or into the cisterna magna (10 min operative time). Drug levels can be sampled by quick and minimally invasive cerebrospinal fluid (CSF) collection from the cisterna magna (5 min procedure time). These techniques enable targeted application of any compound to the CNS for therapeutic studies in a wide range of CNS disease rodent models. Basic surgery skills are helpful for carrying out the procedures described in this protocol.
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31
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Portioli C, Bovi M, Benati D, Donini M, Perduca M, Romeo A, Dusi S, Monaco HL, Bentivoglio M. Novel functionalization strategies of polymeric nanoparticles as carriers for brain medications. J Biomed Mater Res A 2016; 105:847-858. [DOI: 10.1002/jbm.a.35961] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Revised: 11/02/2016] [Accepted: 11/04/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Corinne Portioli
- Department of Neuroscience, Biomedicine and Movement Sciences; University of Verona; Verona Italy
| | - Michele Bovi
- Department of Biotechnology; University of Verona; Verona Italy
| | - Donatella Benati
- Department of Neuroscience, Biomedicine and Movement Sciences; University of Verona; Verona Italy
| | - Marta Donini
- Department of Medicine; University of Verona; Verona Italy
| | | | - Alessandro Romeo
- Department of Computer Science; University of Verona; Verona Italy
| | - Stefano Dusi
- Department of Medicine; University of Verona; Verona Italy
| | - Hugo L. Monaco
- Department of Biotechnology; University of Verona; Verona Italy
| | - Marina Bentivoglio
- Department of Neuroscience, Biomedicine and Movement Sciences; University of Verona; Verona Italy
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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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Kang YS, Jung HJ, Oh JS, Song DY. Use of PEGylated Immunoliposomes to Deliver Dopamine Across the Blood-Brain Barrier in a Rat Model of Parkinson's Disease. CNS Neurosci Ther 2016; 22:817-23. [PMID: 27350533 DOI: 10.1111/cns.12580] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Revised: 05/04/2016] [Accepted: 05/19/2016] [Indexed: 11/29/2022] Open
Abstract
AIM To treat neurodegenerative disorders such as Parkinson's disease (PD), drugs must be able to cross the blood-brain barrier (BBB). Patients with PD are deficient in dopamine (DA), a neurotransmitter that cannot pass through the BBB. Liposomes modified by adding polyethylene glycol (PEGylated liposomes (PLs)) can be conjugated with antibody to form DA-PEGylated immunoliposomes (DA-PILs), and we tested their use as carriers of DA for treating PD. METHODS PEGylated liposomes (PLs) were prepared by evaporation method, and [(3) H]dopamine was encapsulated within the dried lipid film using a freeze/thaw cycle to form DA-PL. Thiolated OX26 MAb, an antitransferrin receptor monoclonal antibody, was then conjugated to 46-nm PEGylated liposomes. Particle size, zeta potential, and stability were assessed, and in vivo effects were determined after the intravenous injection of DA, DA-PL, and DA-PIL by examining brain tissue in normal rats and rats that underwent transection of the medial forebrain bundle to induce PD. RESULTS The uptake of DA-PIL in the brains of this PD rat model increased about 8-fold compared with that of DA alone and about 3-fold compared with that of encapsulated DA-PEGylated liposomes (DA-PL). The volume of distribution of DA-PIL in the brain by the perfusion method was 4-fold higher than that of DA-PL, indicating that conjugation of OX26 MAb to the transferrin receptor of brain capillary endothelium mediated the effective delivery of DA to brain tissue. CONCLUSIONS Dopamine can be effectively delivered to the brain by means of a PIL-based drug delivery system in PD rats.
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Affiliation(s)
- Young-Sook Kang
- College of Pharmacy, Research Institute of Pharmaceutical Science (RIPS) and Research Center for Cell Fate Control, Sookmyung Women's University Chungpa-dong 2-ga, Seoul, Korea.
| | - Hyun-Joo Jung
- College of Pharmacy, Research Institute of Pharmaceutical Science (RIPS) and Research Center for Cell Fate Control, Sookmyung Women's University Chungpa-dong 2-ga, Seoul, Korea
| | - Ji-Suk Oh
- College of Pharmacy, Research Institute of Pharmaceutical Science (RIPS) and Research Center for Cell Fate Control, Sookmyung Women's University Chungpa-dong 2-ga, Seoul, Korea
| | - Dae-Yong Song
- Department of Anatomy and Neuroscience, Eulji University School of Medicine, Daejeon, Korea
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Aparicio-Blanco J, Martín-Sabroso C, Torres-Suárez AI. In vitro screening of nanomedicines through the blood brain barrier: A critical review. Biomaterials 2016; 103:229-255. [PMID: 27392291 DOI: 10.1016/j.biomaterials.2016.06.051] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Revised: 06/14/2016] [Accepted: 06/20/2016] [Indexed: 12/16/2022]
Abstract
The blood-brain barrier accounts for the high attrition rate of the treatments of most brain disorders, which therefore remain one of the greatest health-care challenges of the twenty first century. Against this background of hindrance to brain delivery, nanomedicine takes advantage of the assembly at the nanoscale of available biomaterials to provide a delivery platform with potential to raising brain levels of either imaging or therapeutic agents. Nevertheless, to prevent later failure due to ineffective drug levels at the target site, researchers have been endeavoring to develop a battery of in vitro screening procedures that can predict earlier in the drug discovery process the ability of these cutting-edge drug delivery platforms to cross the blood-brain barrier for biomedical purposes. This review provides an in-depth analysis of the currently available in vitro blood-brain barrier models (both cell-based and non-cell-based) with the focus on their suitability for understanding the biological brain distribution of forthcoming nanomedicines. The relationship between experimental factors and underlying physiological assumptions that would ultimately lead to a more predictive capacity of their in vivo performance, and those methods already assayed for the evaluation of the brain distribution of nanomedicines are comprehensively discussed.
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Affiliation(s)
- Juan Aparicio-Blanco
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Complutense University, 28040, Madrid, Spain
| | - Cristina Martín-Sabroso
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Complutense University, 28040, Madrid, Spain
| | - Ana-Isabel Torres-Suárez
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Complutense University, 28040, Madrid, Spain; University Institute of Industrial Pharmacy, Complutense University, 28040, Madrid, Spain.
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Milojkovic Kerklaan B, van Tellingen O, Huitema ADR, Beijnen JH, Boogerd W, Schellens JHM, Brandsma D. Strategies to target drugs to gliomas and CNS metastases of solid tumors. J Neurol 2015; 263:428-40. [DOI: 10.1007/s00415-015-7919-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2015] [Revised: 09/21/2015] [Accepted: 09/22/2015] [Indexed: 01/09/2023]
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36
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Wasko MJ, Pellegrene KA, Madura JD, Surratt CK. A Role for Fragment-Based Drug Design in Developing Novel Lead Compounds for Central Nervous System Targets. Front Neurol 2015; 6:197. [PMID: 26441817 PMCID: PMC4566055 DOI: 10.3389/fneur.2015.00197] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Accepted: 08/24/2015] [Indexed: 01/12/2023] Open
Abstract
Hundreds of millions of U.S. dollars are invested in the research and development of a single drug. Lead compound development is an area ripe for new design strategies. Therapeutic lead candidates have been traditionally found using high-throughput in vitro pharmacological screening, a costly method for assaying thousands of compounds. This approach has recently been augmented by virtual screening (VS), which employs computer models of the target protein to narrow the search for possible leads. A variant of VS is fragment-based drug design (FBDD), an emerging in silico lead discovery method that introduces low-molecular weight fragments, rather than intact compounds, into the binding pocket of the receptor model. These fragments serve as starting points for “growing” the lead candidate. Current efforts in virtual FBDD within central nervous system (CNS) targets are reviewed, as is a recent rule-based optimization strategy in which new molecules are generated within a 3D receptor-binding pocket using the fragment as a scaffold. This process not only places special emphasis on creating synthesizable molecules but also exposes computational questions worth addressing. Fragment-based methods provide a viable, relatively low-cost alternative for therapeutic lead discovery and optimization that can be applied to CNS targets to augment current design strategies.
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Affiliation(s)
- Michael J Wasko
- Mylan School of Pharmacy, Graduate School of Pharmaceutical Sciences, Duquesne University , Pittsburgh, PA , USA
| | - Kendy A Pellegrene
- Mylan School of Pharmacy, Graduate School of Pharmaceutical Sciences, Duquesne University , Pittsburgh, PA , USA
| | - Jeffry D Madura
- Department of Chemistry and Biochemistry, Center for Computational Sciences, Bayer School of Natural and Environmental Sciences, Duquesne University , Pittsburgh, PA , USA
| | - Christopher K Surratt
- Mylan School of Pharmacy, Graduate School of Pharmaceutical Sciences, Duquesne University , Pittsburgh, PA , USA
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37
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Oberoi RK, Parrish KE, Sio TT, Mittapalli RK, Elmquist WF, Sarkaria JN. Strategies to improve delivery of anticancer drugs across the blood-brain barrier to treat glioblastoma. Neuro Oncol 2015; 18:27-36. [PMID: 26359209 DOI: 10.1093/neuonc/nov164] [Citation(s) in RCA: 181] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Accepted: 07/15/2015] [Indexed: 12/21/2022] Open
Abstract
Glioblastoma (GBM) is a lethal and aggressive brain tumor that is resistant to conventional radiation and cytotoxic chemotherapies. Molecularly targeted agents hold great promise in treating these genetically heterogeneous tumors, yet have produced disappointing results. One reason for the clinical failure of these novel therapies can be the inability of the drugs to achieve effective concentrations in the invasive regions beyond the bulk tumor. In this review, we describe the influence of the blood-brain barrier on the distribution of anticancer drugs to both the tumor core and infiltrative regions of GBM. We further describe potential strategies to overcome these drug delivery limitations. Understanding the key factors that limit drug delivery into brain tumors will guide future development of approaches for enhanced delivery of effective drugs to GBM.
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Affiliation(s)
- Rajneet K Oberoi
- Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (R.K.O., K.E.P., R.K.M., W.F.E.); Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (T.T.S., J.N.S.)
| | - Karen E Parrish
- Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (R.K.O., K.E.P., R.K.M., W.F.E.); Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (T.T.S., J.N.S.)
| | - Terence T Sio
- Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (R.K.O., K.E.P., R.K.M., W.F.E.); Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (T.T.S., J.N.S.)
| | - Rajendar K Mittapalli
- Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (R.K.O., K.E.P., R.K.M., W.F.E.); Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (T.T.S., J.N.S.)
| | - William F Elmquist
- Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (R.K.O., K.E.P., R.K.M., W.F.E.); Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (T.T.S., J.N.S.)
| | - Jann N Sarkaria
- Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota (R.K.O., K.E.P., R.K.M., W.F.E.); Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota (T.T.S., J.N.S.)
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Cho PY, Joshi G, Boersma MD, Johnson JA, Murphy RM. A Cyclic Peptide Mimic of the β-Amyloid Binding Domain on Transthyretin. ACS Chem Neurosci 2015; 6:778-89. [PMID: 25713928 DOI: 10.1021/cn500272a] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Self-association of β-amyloid (Aβ) into oligomers and fibrils is associated with Alzheimer's disease (AD), motivating the search for compounds that bind to and inhibit Aβ oligomerization and/or neurotoxicity. Peptides are an attractive class of such compounds, with potential advantages over small molecules in affinity and specificity. Self-complementation and peptide library screening are two strategies that have been employed in the search for peptides that bind to Aβ. Alternatively, one could design Aβ-binding peptides based on knowledge of complementary binding proteins. One candidate protein, transthyretin (TTR), binds Aβ, inhibits aggregation, and reduces its toxicity. Previously, strand G of TTR was identified as part of a specific Aβ binding domain, and G16, a 16-mer peptide with a sequence that spans strands G and H of TTR, was synthesized and tested. Although both TTR and G16 bound to Aβ, they differed significantly in their effect on Aβ aggregation, and G16 was less effective than TTR at protecting neurons from Aβ toxicity. G16 lacks the β-strand/loop/β-strand structure of TTR's Aβ binding domain. To enforce proper residue alignment, we transplanted the G16 sequence onto a β-hairpin template. Two peptides with 18 and 22 amino acids were synthesized using an orthogonally protected glutamic acid derivative, and an N-to-C cyclization reaction was carried out to further restrict conformational flexibility. The cyclized 22-mer (but not the noncyclized 22-mer nor the 18-mer) strongly suppressed Aβ aggregation into fibrils, and protected neurons against Aβ toxicity. The imposition of structural constraints generated a much-improved peptidomimetic of the Aβ binding epitope on TTR.
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Affiliation(s)
- Patricia Y. Cho
- Department of Chemical
and Biological Engineering, ‡School of Pharmacy, and §Biotechnology
Center, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
| | - Gururaj Joshi
- Department of Chemical
and Biological Engineering, ‡School of Pharmacy, and §Biotechnology
Center, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
| | - Melissa D. Boersma
- Department of Chemical
and Biological Engineering, ‡School of Pharmacy, and §Biotechnology
Center, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
| | - Jeffrey A. Johnson
- Department of Chemical
and Biological Engineering, ‡School of Pharmacy, and §Biotechnology
Center, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
| | - Regina M. Murphy
- Department of Chemical
and Biological Engineering, ‡School of Pharmacy, and §Biotechnology
Center, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
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Severin ES. New approaches to targeted drug delivery to tumour cells. RUSSIAN CHEMICAL REVIEWS 2015. [DOI: 10.1070/rcr4468] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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40
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Zhao Y, Lin D, Wu F, Guo L, He G, Ouyang L, Song X, Huang W, Li X. Discovery and in vivo evaluation of novel RGD-modified lipid-polymer hybrid nanoparticles for targeted drug delivery. Int J Mol Sci 2014; 15:17565-76. [PMID: 25268623 PMCID: PMC4227178 DOI: 10.3390/ijms151017565] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Revised: 09/22/2014] [Accepted: 09/25/2014] [Indexed: 02/05/2023] Open
Abstract
In the current study, the lipid-shell and polymer-core hybrid nanoparticles (lpNPs) modified by Arg–Gly–Asp(RGD) peptide, loaded with curcumin (Cur), were developed by emulsification-solvent volatilization method. The RGD-modified hybrid nanoparticles (RGD–lpNPs) could overcome the poor water solubility of Cur to meet the requirement of intravenous administration and tumor active targeting. The obtained optimal RGD-lpNPs, composed of PLGA (poly(lactic-co-glycolic acid))–mPEG (methoxyl poly(ethylene- glycol)), RGD–polyethylene glycol (PEG)–cholesterol (Chol) copolymers and lipids, had good entrapment efficiency, submicron size and negatively neutral surface charge. The core-shell structure of RGD–lpNPs was verified by TEM. Cytotoxicity analysis demonstrated that the RGD–lpNPs encapsulated Cur retained potent anti-tumor effects. Flow cytometry analysis revealed the cellular uptake of Cur encapsulated in the RGD–lpNPs was increased for human umbilical vein endothelial cells (HUVEC). Furthermore, Cur loaded RGD–lpNPs were more effective in inhibiting tumor growth in a subcutaneous B16 melanoma tumor model. The results of immunofluorescent and immunohistochemical studies by Cur loaded RGD–lpNPs therapies indicated that more apoptotic cells, fewer microvessels, and fewer proliferation-positive cells were observed. In conclusion, RGD–lpNPs encapsulating Cur were developed with enhanced anti-tumor activity in melanoma, and Cur loaded RGD–lpNPs represent an excellent tumor targeted formulation of Cur which might be an attractive candidate for cancer therapy.
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Affiliation(s)
- Yinbo Zhao
- State Key Laboratory of Biotherapy, Department of Pharmacy and Urology, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Dayong Lin
- Department of Anesthesiology, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu 610072, China.
| | - Fengbo Wu
- State Key Laboratory of Biotherapy, Department of Pharmacy and Urology, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Li Guo
- West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
| | - Gu He
- State Key Laboratory of Biotherapy, Department of Pharmacy and Urology, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Liang Ouyang
- State Key Laboratory of Biotherapy, Department of Pharmacy and Urology, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Xiangrong Song
- State Key Laboratory of Biotherapy, Department of Pharmacy and Urology, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Wei Huang
- State Key Laboratory Breeding Base of Systematic Research, Development and Utilization of Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Xiang Li
- State Key Laboratory of Biotherapy, Department of Pharmacy and Urology, West China Hospital, Sichuan University, Chengdu 610041, China.
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Pavan B, Paganetto G, Rossi D, Dalpiaz A. Multidrug resistance in cancer or inefficacy of neuroactive agents: innovative strategies to inhibit or circumvent the active efflux transporters selectively. Drug Discov Today 2014; 19:1563-71. [PMID: 24929222 DOI: 10.1016/j.drudis.2014.06.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2013] [Revised: 05/14/2014] [Accepted: 06/05/2014] [Indexed: 01/13/2023]
Abstract
Multidrug resistance (MDR) is a crucial issue in the treatment of cancer cells that protect themselves by overexpression of active efflux transporters (AETs). AET expression maintains the homeostasis in healthy tissues and in the blood-brain barrier it often prevents drugs from reaching the brain. Inhibition of AETs could therefore be a valuable solution for preventing MDR; but nonselective long-term AET blocking can be harmful toward healthy tissues and, in particular, the brain. This review looks at the development of innovative formulations suitable for selectively blocking or avoiding AETs as promising ways to overcome the challenges of MDR and inefficacy of neuroactive agents.
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Affiliation(s)
- Barbara Pavan
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy.
| | - Guglielmo Paganetto
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Damiano Rossi
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Alessandro Dalpiaz
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, Ferrara, Italy
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Calias P, Banks WA, Begley D, Scarpa M, Dickson P. Intrathecal delivery of protein therapeutics to the brain: a critical reassessment. Pharmacol Ther 2014; 144:114-22. [PMID: 24854599 DOI: 10.1016/j.pharmthera.2014.05.009] [Citation(s) in RCA: 82] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2014] [Accepted: 05/12/2014] [Indexed: 12/25/2022]
Abstract
Disorders of the central nervous system (CNS), including stroke, neurodegenerative diseases, and brain tumors, are the world's leading causes of disability. Delivery of drugs to the CNS is complicated by the blood-brain barriers that protect the brain from the unregulated leakage and entry of substances, including proteins, from the blood. Yet proteins represent one of the most promising classes of therapeutics for the treatment of CNS diseases. Many strategies for overcoming these obstacles are in development, but the relatively straightforward approach of bypassing these barriers through direct intrathecal administration has been largely overlooked. Originally discounted because of its lack of usefulness for delivering small, lipid-soluble drugs to the brain, the intrathecal route has emerged as a useful, in some cases perhaps the ideal, route of administration for certain therapeutic protein and targeted disease combinations. Here, we review blood-brain barrier functions and cerebrospinal fluid dynamics and their relevance to drug delivery via the intrathecal route, discuss animal and human studies that have investigated intrathecal delivery of protein therapeutics, and outline several characteristics of protein therapeutics that can allow them to be successfully delivered intrathecally.
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Affiliation(s)
| | - William A Banks
- Geriatrics Research Education and Clinical Center, Veterans Affairs Puget Sound Health Care Center, Seattle, WA, USA; Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA
| | - David Begley
- Institute of Pharmaceutical Science, King's College London, London, UK
| | - Maurizio Scarpa
- Department of Paediatrics, University of Padova, Padova, Italy
| | - Patricia Dickson
- Los Angeles Biomedical Research Institute, Harbor-UCLA Medical Center, Torrance, CA, USA
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Stockwell J, Abdi N, Lu X, Maheshwari O, Taghibiglou C. Novel central nervous system drug delivery systems. Chem Biol Drug Des 2014; 83:507-20. [PMID: 24325540 DOI: 10.1111/cbdd.12268] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2013] [Revised: 11/18/2013] [Accepted: 11/27/2013] [Indexed: 12/24/2022]
Abstract
For decades, biomedical and pharmaceutical researchers have worked to devise new and more effective therapeutics to treat diseases affecting the central nervous system. The blood-brain barrier effectively protects the brain, but poses a profound challenge to drug delivery across this barrier. Many traditional drugs cannot cross the blood-brain barrier in appreciable concentrations, with less than 1% of most drugs reaching the central nervous system, leading to a lack of available treatments for many central nervous system diseases, such as stroke, neurodegenerative disorders, and brain tumors. Due to the ineffective nature of most treatments for central nervous system disorders, the development of novel drug delivery systems is an area of great interest and active research. Multiple novel strategies show promise for effective central nervous system drug delivery, giving potential for more effective and safer therapies in the future. This review outlines several novel drug delivery techniques, including intranasal drug delivery, nanoparticles, drug modifications, convection-enhanced infusion, and ultrasound-mediated drug delivery. It also assesses possible clinical applications, limitations, and examples of current clinical and preclinical research for each of these drug delivery approaches. Improved central nervous system drug delivery is extremely important and will allow for improved treatment of central nervous system diseases, causing improved therapies for those who are affected by central nervous system diseases.
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Affiliation(s)
- Jocelyn Stockwell
- Department of Physiology, 2D01 Health Sciences, 107 Wiggins Rd., Saskatoon, SK, S7N 5E5, Canada; Department of Pharmacology, 2D01 Health Sciences, 107 Wiggins Rd., Saskatoon, SK, S7N 5E5, Canada
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Chaturvedi M, Molino Y, Sreedhar B, Khrestchatisky M, Kaczmarek L. Tissue inhibitor of matrix metalloproteinases-1 loaded poly(lactic-co-glycolic acid) nanoparticles for delivery across the blood-brain barrier. Int J Nanomedicine 2014; 9:575-88. [PMID: 24531257 PMCID: PMC3901738 DOI: 10.2147/ijn.s54750] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Aim The aim of this study was to develop poly(lactic-co-glycolic acid) (PLGA) nanoparticles (NPs) for delivery of a protein – tissue inhibitor of matrix metalloproteinases 1 (TIMP-1) – across the blood–brain barrier (BBB) to inhibit deleterious matrix metalloproteinases (MMPs). Materials and methods The NPs were formulated by multiple-emulsion solvent-evaporation, and for enhancing BBB penetration, they were coated with polysorbate 80 (Ps80). We compared Ps80-coated and uncoated NPs for their toxicity, binding, and BBB penetration on primary rat brain capillary endothelial cell cultures and the rat brain endothelial 4 cell line. These studies were followed by in vivo studies for brain delivery of these NPs. Results Results showed that neither Ps80-coated nor uncoated NPs caused significant opening of the BBB, and essentially they were nontoxic. NPs without Ps80 coating had more binding to endothelial cells compared to Ps80-coated NPs. Penetration studies showed that TIMP-1 NPs + Ps80 had 11.21%±1.35% penetration, whereas TIMP-1 alone and TIMP-1 NPs without Ps80 coating did not cross the endothelial monolayer. In vivo studies indicated BBB penetration of intravenously injected TIMP-1 NPs + Ps80. Conclusion The study demonstrated that Ps80 coating of NPs does not cause significant toxic effects to endothelial cells and that it can be used to enhance the delivery of protein across endothelial cell barriers, both in vitro and in vivo.
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Affiliation(s)
| | | | - Bojja Sreedhar
- Indian Institute of Chemical Technology, Hyderabad, India
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Baranger K, Rivera S, Liechti FD, Grandgirard D, Bigas J, Seco J, Tarrago T, Leib SL, Khrestchatisky M. Endogenous and synthetic MMP inhibitors in CNS physiopathology. PROGRESS IN BRAIN RESEARCH 2014; 214:313-51. [DOI: 10.1016/b978-0-444-63486-3.00014-1] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Quick adjustment of imaging tracer payload, for in vivo applications of theranostic nanostructures in the brain. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2013; 10:851-8. [PMID: 24365481 DOI: 10.1016/j.nano.2013.12.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2013] [Revised: 10/17/2013] [Accepted: 12/13/2013] [Indexed: 01/22/2023]
Abstract
UNLABELLED In order to provide sufficient sensibility for detection, selection of an adequate payload of imaging probe is critical, during the design of MRI theranostic nanoplatforms. This fact is particularly crucial for in vivo applications in the brain, where delivery of macromolecules is limited by the blood-brain barrier. Here we report a simple and quick process for the estimation of adequate payloads of gadolinium in liposomes with potential to act as theranostic agents, for in vivo MRI applications in the brain. Our studies show that an excessive payload of gadolinium in liposomes may actually have a negative influence on in vivo T1 contrast. By preparing and characterizing 4 different liposomal compositions of increasing Gadolinium loads, we show that a superior sensitivity for in vivo detection of MRI theranostic molecules can be quickly improved by adjusting the payload of imaging probe in the molecules. FROM THE CLINICAL EDITOR This team of authors report the development of a simple and quick process for the estimation of adequate payloads of gadolinium in liposomes as theranostic agents for in vivo brain MRI studies, using a rodent model.
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Agulla J, Brea D, Campos F, Sobrino T, Argibay B, Al-Soufi W, Blanco M, Castillo J, Ramos-Cabrer P. In vivo theranostics at the peri-infarct region in cerebral ischemia. Am J Cancer Res 2013; 4:90-105. [PMID: 24396517 PMCID: PMC3881229 DOI: 10.7150/thno.7088] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2013] [Accepted: 09/12/2013] [Indexed: 11/05/2022] Open
Abstract
The use of theranostics in neurosciences has been rare to date because of the limitations imposed on the free delivery of substances to the brain by the blood-brain barrier. Here we report the development of a theranostic system for the treatment of stroke, a leading cause of death and disability in developed countries. We first performed a series of proteomic, immunoblotting and immunohistological studies to characterize the expression of molecular biomarkers for the so-called peri-infarct tissue, a key region of the brain for stroke treatment. We confirmed that the HSP72 protein is a suitable biomarker for the peri-infarct region, as it is selectively expressed by at-risk tissue for up to 7 days following cerebral ischemia. We also describe the development of anti-HSP72 vectorized stealth immunoliposomes containing imaging probes to make them traceable by conventional imaging techniques (fluorescence and MRI) that were used to encapsulate a therapeutic agent (citicoline) for the treatment of cerebral ischemia. We tested the molecular recognition capabilities of these nano-platforms in vitro together with their diagnostic and therapeutic properties in vivo, in an animal model of cerebral ischemia. Using MRI, we found that 80% of vectorized liposomes were located on the periphery of the ischemic lesion, and animals treated with citicoline encapsulated on these liposomes presented lesion volumes up to 30% smaller than animals treated with free (non-encapsulated) drugs. Our results show the potential of nanotechnology for the development of effective tools for the treatment of neurological diseases.
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Alata W, Paris-Robidas S, Emond V, Bourasset F, Calon F. Brain uptake of a fluorescent vector targeting the transferrin receptor: a novel application of in situ brain perfusion. Mol Pharm 2013; 11:243-53. [PMID: 24215184 DOI: 10.1021/mp400421a] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Monoclonal antibodies (mAbs) targeting blood-brain barrier (BBB) transporters are being developed for brain drug targeting. However, brain uptake quantification remains a challenge, particularly for large compounds, and often requires the use of radioactivity. In this work, we adapted an in situ brain perfusion technique for a fluorescent mAb raised against the mouse transferrin receptor (TfR) (clone Ri7). We first confirmed in vitro that the internalization of fluorolabeled Ri7 mAbs is saturable and dependent on the TfR in N2A and bEnd5 cells. We next showed that the brain uptake coefficient (Clup) of 100 μg (∼220 nM) of Ri7 mAbs fluorolabeled with Alexa Fluor 750 (AF750) was 0.27 ± 0.05 μL g(-1) s(-1) after subtraction of values obtained with a control IgG. A linear relationship was observed between the distribution volume VD (μL g(-1)) and the perfusion time (s) over 30-120 s (r(2) = 0.997), confirming the metabolic stability of the AF750-Ri7 mAbs during perfusion. Co-perfusion of increasing quantities of unlabeled Ri7 decreased the AF750-Ri7 Clup down to control IgG levels over 500 nM, consistent with a saturable mechanism. Fluorescence microscopy analysis showed a vascular distribution of perfused AF750-Ri7 in the brain and colocalization with a marker of basal lamina. To our knowledge, this is the first reported use of the in situ brain perfusion technique combined with quantification of compounds labeled with near-infrared fluorophores. Furthermore, this study confirms the accumulation of the antitransferrin receptor Ri7 mAb in the brain of mice through a saturable uptake mechanism.
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Affiliation(s)
- Wael Alata
- Faculty of Pharmacy, Université Laval , Québec, QC G1V 0A6, Canada
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Góngora-Benítez M, Tulla-Puche J, Albericio F. Multifaceted Roles of Disulfide Bonds. Peptides as Therapeutics. Chem Rev 2013; 114:901-26. [DOI: 10.1021/cr400031z] [Citation(s) in RCA: 388] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Miriam Góngora-Benítez
- Institute
for Research in Biomedicine (IRB Barcelona), Barcelona, 08028 Spain
- CIBER-BBN, Barcelona Science
Park, Barcelona, 08028 Spain
| | - Judit Tulla-Puche
- Institute
for Research in Biomedicine (IRB Barcelona), Barcelona, 08028 Spain
- CIBER-BBN, Barcelona Science
Park, Barcelona, 08028 Spain
| | - Fernando Albericio
- Institute
for Research in Biomedicine (IRB Barcelona), Barcelona, 08028 Spain
- CIBER-BBN, Barcelona Science
Park, Barcelona, 08028 Spain
- Department
of Organic Chemistry, University of Barcelona, Barcelona, 08028 Spain
- School of Chemistry & Physics, University of KwaZulu-Natal, 4001 Durban, South Africa
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50
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Kozlovskaya L, Stepensky D. Quantitative analysis of the brain-targeted delivery of drugs and model compounds using nano-delivery systems. J Control Release 2013; 171:17-23. [DOI: 10.1016/j.jconrel.2013.06.028] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2013] [Revised: 06/20/2013] [Accepted: 06/24/2013] [Indexed: 10/26/2022]
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