1
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Zhang W, Xu H, Li C, Han B, Zhang Y. Exploring Chinese herbal medicine for ischemic stroke: insights into microglia and signaling pathways. Front Pharmacol 2024; 15:1333006. [PMID: 38318134 PMCID: PMC10838993 DOI: 10.3389/fphar.2024.1333006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Accepted: 01/03/2024] [Indexed: 02/07/2024] Open
Abstract
Ischemic stroke is a prevalent clinical condition affecting the central nervous system, characterized by a high mortality and disability rate. Its incidence is progressively rising, particularly among younger individuals, posing a significant threat to human well-being. The activation and polarization of microglia, leading to pro-inflammatory and anti-inflammatory responses, are widely recognized as pivotal factors in the pathogenesis of cerebral ischemia and reperfusion injury. Traditional Chinese herbal medicines (TCHMs) boasts a rich historical background, notable efficacy, and minimal adverse effects. It exerts its effects by modulating microglia activation and polarization, suppressing inflammatory responses, and ameliorating nerve injury through the mediation of microglia and various associated pathways (such as NF-κB signaling pathway, Toll-like signaling pathway, Notch signaling pathway, AMPK signaling pathway, MAPK signaling pathway, among others). Consequently, this article focuses on microglia as a therapeutic target, reviewing relevant pathway of literature on TCHMs to mitigate neuroinflammation and mediate IS injury, while also exploring research on drug delivery of TCHMs. The ultimate goal is to provide new insights that can contribute to the clinical management of IS using TCHMs.
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Affiliation(s)
| | | | | | - Bingbing Han
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Yimin Zhang
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
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2
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Carrera-Aubesart A, Gallo M, Defaus S, Todorovski T, Andreu D. Topoisomeric Membrane-Active Peptides: A Review of the Last Two Decades. Pharmaceutics 2023; 15:2451. [PMID: 37896211 PMCID: PMC10610229 DOI: 10.3390/pharmaceutics15102451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/06/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
In recent decades, bioactive peptides have been gaining recognition in various biomedical areas, such as intracellular drug delivery (cell-penetrating peptides, CPPs) or anti-infective action (antimicrobial peptides, AMPs), closely associated to their distinct mode of interaction with biological membranes. Exploiting the interaction of membrane-active peptides with diverse targets (healthy, tumoral, bacterial or parasitic cell membranes) is opening encouraging prospects for peptides in therapeutics. However, ordinary peptides formed by L-amino acids are easily decomposed by proteases in biological fluids. One way to sidestep this limitation is to use topoisomers, namely versions of the peptide made up of D-amino acids in either canonic (enantio) or inverted (retroenantio) sequence. Rearranging peptide sequences in this fashion provides a certain degree of native structure mimicry that, in appropriate contexts, may deliver desirable biological activity while avoiding protease degradation. In this review, we will focus on recent accounts of membrane-active topoisomeric peptides with therapeutic applications as CPP drug delivery vectors, or as antimicrobial and anticancer candidates. We will also discuss the most common modes of interaction of these peptides with their membrane targets.
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Affiliation(s)
- Adam Carrera-Aubesart
- Department of Medicine and Life Sciences, Universitat Pompeu Fabra, 08003 Barcelona, Spain; (A.C.-A.); (M.G.); (S.D.); (T.T.)
| | - Maria Gallo
- Department of Medicine and Life Sciences, Universitat Pompeu Fabra, 08003 Barcelona, Spain; (A.C.-A.); (M.G.); (S.D.); (T.T.)
| | - Sira Defaus
- Department of Medicine and Life Sciences, Universitat Pompeu Fabra, 08003 Barcelona, Spain; (A.C.-A.); (M.G.); (S.D.); (T.T.)
| | - Toni Todorovski
- Department of Medicine and Life Sciences, Universitat Pompeu Fabra, 08003 Barcelona, Spain; (A.C.-A.); (M.G.); (S.D.); (T.T.)
- Department of Biotechnology, University of Rijeka, 51000 Rijeka, Croatia
| | - David Andreu
- Department of Medicine and Life Sciences, Universitat Pompeu Fabra, 08003 Barcelona, Spain; (A.C.-A.); (M.G.); (S.D.); (T.T.)
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3
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Itagaki M, Nasu Y, Sugiyama C, Nakase I, Kamei N. A universal method to analyze cellular internalization mechanisms via endocytosis without non-specific cross-effects. FASEB J 2023; 37:e22764. [PMID: 36624697 DOI: 10.1096/fj.202201780r] [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: 10/31/2022] [Revised: 12/16/2022] [Accepted: 12/27/2022] [Indexed: 01/11/2023]
Abstract
Endocytosis is an essential biological process for nutrient absorption and intercellular communication; it can also be used to accelerate the cellular internalization of drug delivery carriers. Clarifying the cellular uptake mechanisms of unidentified endogenous and exogenous molecules and designing new effective drug delivery systems require an accurate, specific endocytosis analysis methodology. Therefore, we developed a method to specifically evaluate cellular internalization via three main endocytic pathways: clathrin- and caveolae-mediated endocytosis, and macropinocytosis. We first revealed that most known endocytosis inhibitors had no specific inhibitory effect or were cytotoxic. Second, we successfully established an alternative method using small interfering RNA to knock down dynamin-2 and caveolin-1, which are necessary for clathrin- and caveolae-mediated endocytosis, in HeLa cells. Third, we established another method to specifically analyze macropinocytosis using rottlerin on A431 cells. Finally, we validated the proposed methods by testing the cellular internalization of a biological molecule (insulin) and carriers (nanoparticles and cell-penetrating peptides). Through this study, we established versatile methods to precisely and specifically evaluate endocytosis of newly developed biopharmaceuticals or drug delivery systems.
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Affiliation(s)
- Mai Itagaki
- Laboratory of Drug Delivery Systems, Graduate School of Pharmaceutical Sciences, Kobe Gakuin University, Kobe, Japan
| | - Yoshinori Nasu
- Laboratory of Drug Delivery Systems, Faculty of Pharmaceutical Sciences, Kobe Gakuin University, Kobe, Japan
| | - Chiaki Sugiyama
- Laboratory of Drug Delivery Systems, Faculty of Pharmaceutical Sciences, Kobe Gakuin University, Kobe, Japan
| | - Ikuhiko Nakase
- Graduate School of Science, Osaka Metropolitan University, Osaka, Japan
| | - Noriyasu Kamei
- Laboratory of Drug Delivery Systems, Faculty of Pharmaceutical Sciences, Kobe Gakuin University, Kobe, Japan
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4
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Wu H, Zhang K, Zhang Z, Wang J, Jia P, Cong L, Li J, Duan Y, Ke F, Zhang F, Liu Z, Lu F, Wang Y, Li Z, Chang M, Zou J, Zhu K. Cell-penetrating peptide: A powerful delivery tool for DNA-free crop genome editing. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2022; 324:111436. [PMID: 36037982 DOI: 10.1016/j.plantsci.2022.111436] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/24/2022] [Accepted: 08/23/2022] [Indexed: 06/15/2023]
Abstract
Genome editing system based on the CRISPR/Cas (clustered regularly interspaced short palindromic repeats) technology is a milestone for biology. However, public concerns regarding genetically modified organisms (GMOs) and recalcitrance in the crop of choice for regeneration have limited its application. Cell-penetrating peptides (CPPs) are derived from protein transduction domains (PTDs) that can take on various cargoes across the plant wall, and membrane of target cells. Selected CPPs show mild cytotoxicity and are a suitable delivery tool for DNA-free genome editing. Moreover, CPPs may also be applied for the transient delivery of morphogenic transcription factors, also known as developmental regulators (DRs), to overcome the bottleneck of the crop of choice regeneration. In this review, we introduce a brief history of cell-penetrating peptides and discuss the practice of CPP-mediated DNA-free transfection and the prospects of this potential delivery tool for improving crop genome editing.
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Affiliation(s)
- Han Wu
- Sorghum Research Institute, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning Province, China.
| | - Kuangye Zhang
- Sorghum Research Institute, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning Province, China
| | - Zhipeng Zhang
- Sorghum Research Institute, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning Province, China
| | - Jiaxu Wang
- Sorghum Research Institute, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning Province, China
| | - Pengxiang Jia
- Zhejiang Wanli University, 315100 Ningbo, Zhejiang Province, China
| | - Ling Cong
- Sorghum Research Institute, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning Province, China
| | - Jia Li
- Sorghum Research Institute, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning Province, China
| | - Youhou Duan
- Sorghum Research Institute, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning Province, China
| | - Fulai Ke
- Sorghum Research Institute, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning Province, China
| | - Fei Zhang
- Sorghum Research Institute, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning Province, China
| | - Zhiqiang Liu
- Sorghum Research Institute, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning Province, China
| | - Feng Lu
- Sorghum Research Institute, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning Province, China
| | - Yanqiu Wang
- Sorghum Research Institute, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning Province, China
| | - Zhihua Li
- Sorghum Research Institute, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning Province, China
| | - Ming Chang
- The Key Laboratory of Bio-interactions and Plant Health, College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Jianqiu Zou
- Sorghum Research Institute, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning Province, China.
| | - Kai Zhu
- Sorghum Research Institute, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning Province, China.
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Frøslev P, Franzyk H, Ozgür B, Brodin B, Kristensen M. Highly cationic cell-penetrating peptides affect the barrier integrity and facilitates mannitol permeation in a human stem cell-based blood-brain barrier model. Eur J Pharm Sci 2021; 168:106054. [PMID: 34728364 DOI: 10.1016/j.ejps.2021.106054] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 10/27/2021] [Accepted: 10/27/2021] [Indexed: 11/03/2022]
Abstract
The blood-brain barrier (BBB) allows passive permeation of only a limited number of, primarily lipophilic, low-molecular weight drugs that obey the so-called "rule of CNS likeness". Therefore, novel strategies to facilitate drug delivery across the BBB are needed. Cell-penetrating peptides (CPPs) enable delivery of various therapeutic cargoes into cells and may potentially serve as shuttles for delivery of brain-specific drugs across the BBB. The CPPs Tat47-57 and penetratin are prototypical cationic CPPs, whereas apidaecin and oncocin belong to the group of proline-rich cationic antimicrobial peptides displaying CPP-like properties. The aim of the present study was to investigate the potential of Tat47-57, penetratin, apidaecin, and oncocin for interaction with and permeation of the BBB in vitro. We also studied whether the CPPs facilitated permeation of the paracellular flux marker mannitol as well as the transcellular flux marker propranolol. The peptides were labelled with the fluorophore 6-TAMRA (T) for visualization and quantification purposes. CPP membrane-adherence, membrane-embedding, and cellular uptake as well as barrier-permeation were evaluated in murine brain capillary endothelial cells (bEND3) and human induced pluripotent stem cell-derived (Bioni-010c) brain capillary endothelial-like monolayers. The cationic and the proline-rich cationic CPPs were taken up into the Bioni-010c monolayers. T-Tat47-57, T-apidaecin, and T-oncocin also permeated Bioni-010c monolayers, whereas T-penetratin did not. However, both T-Tat47-57 and T-penetratin affected the barrier integrity to a degree that facilitated permeation of 14C-mannitol. These results may therefore pave the way for future CPP-mediated brain delivery of small drugs that do not obey the "rule of CNS likeness".
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Affiliation(s)
- Patrick Frøslev
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, Copenhagen DK-2100, Denmark
| | - Henrik Franzyk
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, Copenhagen DK-2100, Denmark
| | - Burak Ozgür
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, Copenhagen DK-2100, Denmark
| | - Birger Brodin
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, Copenhagen DK-2100, Denmark
| | - Mie Kristensen
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, Copenhagen DK-2100, Denmark.
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Investigation of the Transport Pathways Associated with Enhanced Brain Delivery of Peptide Drugs by Intranasal Coadministration with Penetratin. Pharmaceutics 2021; 13:pharmaceutics13111745. [PMID: 34834159 PMCID: PMC8618983 DOI: 10.3390/pharmaceutics13111745] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/12/2021] [Accepted: 10/14/2021] [Indexed: 11/18/2022] Open
Abstract
We previously found that coadministering peptides and proteins with the cell-penetrating peptide L-penetratin intranasally significantly increased transport to the brain and enhanced pharmacological effects. The present study aimed to clarify the mechanisms of nose-to-brain drug delivery enhancement by L-penetratin coadministration. First, we compared the concentrations of Exendin-4 in plasma and brain after intranasal and subcutaneous administration and suggested that coadministration with L-penetratin facilitated the direct nose-to-brain transport of Exendin-4. Second, we demonstrated that L-penetratin did not stimulate the transport of Cy7-labeled Exendin-4 and insulin through the trigeminal nerves but shifted their distribution to the olfactory mucosal pathway. Third, we investigated the distribution of insulin into the deeper regions of the brain after delivery via the olfactory pathway and suggested that insulin had entered the olfactory bulb, bottom part of the brain, and perivascular space through the cerebrospinal fluid and had diffused throughout the brain. We further demonstrated that intranasally delivered insulin with L-penetratin specifically accumulated on the hippocampus neuronal cells. Thus, this study suggested that administrating peptide drugs intranasally with L-penetratin allows direct transport to the olfactory bulb, bottom part of the brain, and perivascular space of the cerebral artery. This technique also potentially allows targeting of specific brain areas.
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7
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Ding G, Wang T, Han Z, Tian L, Cheng Q, Luo L, Zhao B, Wang C, Feng S, Wang L, Meng Z, Meng Q. Substance P containing peptide gene delivery vectors for specifically transfecting glioma cells mediated by a neurokinin-1 receptor. J Mater Chem B 2021; 9:6347-6356. [PMID: 34251002 DOI: 10.1039/d1tb00577d] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Gene therapy provides a promising treatment for glioblastoma multiforme, which mainly depends on two key aspects, crossing the blood brain barrier (BBB) effectively and transfecting target cells selectively. In this work, we reported a series of peptide-based vectors for transfecting glioma cells specifically consisting of several functional segments including a cell-penetrating peptide, targeting segment substance P (SP), an endosomal escape segment, a PEG linker and a stearyl moiety. The conformations and DNA-loading capacities of peptide vectors and the self-assembly behaviors of peptide/pGL3 complexes were characterized. The in vitro gene transfection was evaluated in U87, 293T-NK1R, and normal 293T cell lines. The transfection efficiency ratio of P-02 (SP-PEG4-K(C18)-(LLHH)3-R9) to Lipo2000 in the U87 cell line was about 36% higher than that in the 293T cell line. The neurokinin-1 receptor (NK1R) in U87 cells mediated the transfection process via interactions with the ligand SP in peptide vectors. The mechanism of NK1R mediated transfection was demonstrated by the use of gene-modified 293T cells expressing NK1R, as well as the gene transfection in the presence of free SP. Besides, P-02 could promote the pGL3 plasmids to cross the BBB model in vitro and achieved the EGFP gene transfection in the brain of zebrafish successfully. The designed peptide vectors, owing to their specific transfection capacity in glioma cells, provide a potential approach for glioblastoma multiforme gene therapy.
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Affiliation(s)
- Guihua Ding
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, P. R. China.
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8
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Korivi M, Huang YW, Liu BR. Cell-Penetrating Peptides as a Potential Drug Delivery System for Effective Treatment of Diabetes. Curr Pharm Des 2021; 27:816-825. [PMID: 33076803 DOI: 10.2174/1381612826666201019102640] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 08/02/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND/PURPOSE Type 2 diabetes (T2D) is characterized by hyperglycemia resulting from the body's inability to produce and/or use insulin. Patients with T2D often have hyperinsulinemia, dyslipidemia, inflammation, and oxidative stress, which then lead to hypertension, chronic kidney disease, cardiovascular disease, and increased risk of morbidity and mortality (9th leading cause globally). Insulin and related pharmacological therapies are widely used to manage T2D, despite their limitations. Efficient drug delivery systems (DDS) that control drug kinetics may decrease side effects, allow for efficient targeting, and increase the bioavailability of drugs to achieve maximum therapeutic benefits. Thus, the development of effective DDS is crucial to beat diabetes. METHODS Here, we introduced a highly bioavailable vector, cell-penetrating peptides (CPPs), as a powerful DDS to overcome limitations of free drug administration. RESULTS CPPs are short peptides that serve as a potent tool for delivering therapeutic agents across cell membranes. Various cargoes, including proteins, DNA, RNA, liposomes, therapeutic molecules, and nanomaterials, generally retain their bioactivity upon entering cells. The mechanisms of CPPs/cargoes intracellular entry are classified into two parts: endocytic pathways and direct membrane translocation. In this article, we focus on the applications of CPPs/therapeutic agents in the treatment of diabetes. Hypoglycemic drugs with CPPs intervention can enhance therapeutic effectiveness, and CPP-mediated drug delivery can facilitate the actions of insulin. Numerous studies indicate that CPPs can effectively deliver insulin, produce synergistic effects with immunosuppressants for successful pancreatic islet xenotransplantation, prolong pharmacokinetics, and retard diabetic nephropathy. CONCLUSION We suggest that CPPs can be a new generation of drug delivery systems for effective treatment and management of diabetes and diabetes-associated complications.
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Affiliation(s)
- Mallikarjuna Korivi
- Exercise and Metabolism Research Center, College of Physical Education and Health Sciences, Zhejiang Normal University, Jinhua, Zhejiang, China
| | - Yue-Wern Huang
- Department of Biological Sciences, Missouri University of Science and Technology, Rolla, MO 65409-1120, United States
| | - Betty R Liu
- Department of Laboratory Medicine and Biotechnology, College of Medicine, Tzu Chi University, Hualien 97004, Taiwan
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9
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Li C, Zhang Y, Liu R, Mai Y. Anagliptin Protected against Hypoxia/Reperfusion-Induced Brain Vascular Endothelial Permeability by Increasing ZO-1. ACS OMEGA 2021; 6:7771-7777. [PMID: 33778288 PMCID: PMC7992143 DOI: 10.1021/acsomega.1c00242] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 02/22/2021] [Indexed: 05/17/2023]
Abstract
BACKGROUND AND PURPOSE Cerebral ischemia-reperfusion injury is commonly induced during the treatment of ischemic stroke and is reported to be related to the blood-brain barrier destruction and brain vascular endothelial cell dysfunction. Anagliptin is a novel antidiabetic agent recently reported to protect neurons from oxidative stress. In the present study, we aim to investigate the protective property of anagliptin against oxygen-glucose deprivation and reperfusion (OGD/R)-induced injury on endothelial cells and clarify the potential underlying mechanism. METHODS OGD/R modeling was established on bEnd.3 brain endothelial cells. Cell viability was detected using the MTT assay, and the mitochondrial reactive oxygen species (ROS) level was measured using the mitoses red staining assay. The endothelial monolayer permeability was determined using an FITC-dextran permeation assay. The expression levels of NOX-4 and ZO-1 were evaluated using qRT-PCR and Western blot assays. The expressions of MLC-2, p-MLC-2, and myosin light chain kinase (MLCK) were determined using Western blot. RESULTS First, the decreased cell viability, upregulated NOX-4, and elevated mitochondrial ROS level in the endothelial cells induced by OGD/R were reversed by treatment with anagliptin. Second, the enlarged endothelial permeability and the decreased expression level of ZO-1 in the endothelial cells induced by OGD/R were alleviated by anagliptin. Third, the downregulation of ZO-1 and enlarged brain endothelial monolayer permeability induced by OGD/R were ameliorated by an MLCK inhibitor, ML-7. Lastly, the elevated expressions of MLCK and p-MLC-2 induced by OGD/R were suppressed by anagliptin. CONCLUSION Anagliptin protected against hypoxia/reperfusion-induced brain vascular endothelial permeability by increasing the expression ZO-1, mediated by inhibition of the MLCK/MLC-2 signaling pathway.
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Affiliation(s)
- Chuo Li
- Department
of Neurology, Guangzhou Eighth People’s
Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510440, China
- . Phone/Fax: +86-020-36473145
| | - Yusheng Zhang
- Department
of Neurology and Stroke Center, The First
Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510632, China
| | - Rongrong Liu
- Department
of Neurology and Stroke Center, The First
Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510632, China
| | - Yuzhen Mai
- Department
of Neurology, Guangzhou Eighth People’s
Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510440, China
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10
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Bertrand L, Velichkovska M, Toborek M. Cerebral Vascular Toxicity of Antiretroviral Therapy. J Neuroimmune Pharmacol 2021; 16:74-89. [PMID: 31209776 PMCID: PMC7952282 DOI: 10.1007/s11481-019-09858-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 05/27/2019] [Indexed: 01/14/2023]
Abstract
HIV infection is associated with comorbidities that are likely to be driven not only by HIV itself, but also by the toxicity of long-term use of antiretroviral therapy (ART). Indeed, increasing evidence demonstrates that the antiretroviral drugs used for HIV treatment have toxic effects resulting in various cellular and tissue pathologies. The blood-brain barrier (BBB) is a modulated anatomophysiological interface which separates and controls substance exchange between the blood and the brain parenchyma; therefore, it is particularly exposed to ART-induced toxicity. Balancing the health risks and gains of ART has to be considered in order to maximize the positive effects of therapy. The current review discusses the cerebrovascular toxicity of ART, with the focus on mitochondrial dysfunction. Graphical Abstract Graphical representation of the interactions between HIV, antiretroviral therapy (ART), and the blood-brain barrier (BBB).
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Affiliation(s)
- Luc Bertrand
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Gautier Bldg., Room 528, 1011 NW 15th Street, Miami, FL, 33136, USA
| | - Martina Velichkovska
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Gautier Bldg., Room 528, 1011 NW 15th Street, Miami, FL, 33136, USA
| | - Michal Toborek
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Gautier Bldg., Room 528, 1011 NW 15th Street, Miami, FL, 33136, USA.
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11
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Rodrigues JP, Prajapati N, DeCoster MA, Poh S, Murray TA. Efficient LRP1-Mediated Uptake and Low Cytotoxicity of Peptide L57 In Vitro Shows Its Promise as CNS Drug Delivery Vector. J Pharm Sci 2021; 110:824-832. [PMID: 33065129 PMCID: PMC7855644 DOI: 10.1016/j.xphs.2020.09.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 09/11/2020] [Accepted: 09/11/2020] [Indexed: 12/28/2022]
Abstract
Although an abundance of drug candidates exists which are aimed at the remediation of central nervous system (CNS) disorders, the utility of some are severely limited by their inability to cross the blood brain barrier. Potential drug delivery systems such as the Angiopep family of peptides have shown modest potential; however, there is a need for novel drug delivery candidates that incorporate peptidomimetics to enhance the efficiency of transcytosis, specificity, and biocompatibility. Here, we report on the first in vitro cellular uptake and cytotoxicity study of a peptidomimetic, cationic peptide, L57. It binds to cluster 4 of the low-density lipoprotein receptor-related protein 1 (LRP1) receptor which is expressed in numerous cell types, such as brain endothelial cells. We used early-passage-number brain microvascular endothelial cells and astrocytes harvested from rat pup brains that highly express LRP1, to study the uptake of L57 versus Angiopep-7 (A7). Uptake of L57 and A7 showed a concentration-dependent increase, with L57 being taken up to a greater degree than A7 at the same concentration. Additionally, peptide uptake in LRP1-deficient PEA 10 cells had greatly reduced uptake. Furthermore, L57 demonstrated excellent cell viability versus A7, showing promise as a potential drug delivery vector for CNS therapeutics.
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Affiliation(s)
| | - Neela Prajapati
- Biomedical Engineering, Louisiana Tech University, Ruston, LA, USA
| | - Mark A DeCoster
- Biomedical Engineering, Louisiana Tech University, Ruston, LA, USA
| | - Scott Poh
- Chemistry, Louisiana Tech University, Ruston, LA, USA.
| | - Teresa A Murray
- Biomedical Engineering, Louisiana Tech University, Ruston, LA, USA.
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12
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Zhou X, Smith QR, Liu X. Brain penetrating peptides and peptide-drug conjugates to overcome the blood-brain barrier and target CNS diseases. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2021; 13:e1695. [PMID: 33470550 DOI: 10.1002/wnan.1695] [Citation(s) in RCA: 79] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 12/19/2020] [Accepted: 12/23/2020] [Indexed: 12/11/2022]
Abstract
Nearly one in six people worldwide suffer from disorders of the central nervous system (CNS). There is an urgent need for effective strategies to improve the success rates in CNS drug discovery and development. The lack of effective technologies for delivering drugs and genes to the brain due to the blood-brain barrier (BBB), a structural barrier that effectively blocks most neurotherapeutic agents from reaching the brain, has posed a formidable hurdle for CNS drug development. Brain-homing and brain-penetrating molecular transport vectors, such as brain permeable peptides or BBB shuttle peptides, have shown promise in overcoming the BBB and ferrying the drug molecules to the brain. The BBB shuttle peptides are discovered by phage display technology or derived from natural neurotropic proteins or certain viruses and harness the receptor-mediated transcytosis molecular machinery for crossing the BBB. Brain permeable peptide-drug conjugates (PDCs), composed of BBB shuttle peptides, linkers, and drug molecules, have emerged as a promising CNS drug delivery system by taking advantage of the endogenous transcytosis mechanism and tricking the brain into allowing these bioactive molecules to pass the BBB. Here, we examine the latest development of brain-penetrating peptide shuttles and brain-permeable PDCs as molecular vectors to deliver small molecule drug payloads across the BBB to reach brain parenchyma. Emerging knowledge of the contribution of the peptides and their specific receptors expressed on the brain endothelial cells, choice of drug payloads, the design of PDCs, brain entry mechanisms, and delivery efficiency to the brain are highlighted. This article is categorized under: Therapeutic Approaches and Drug Discovery > Emerging Technologies Therapeutic Approaches and Drug Discovery > Nanomedicine for Neurological Disease.
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Affiliation(s)
- Xue Zhou
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, Texas, USA
| | - Quentin R Smith
- Department of Pharmaceutical Sciences, Texas Tech University Health Sciences Center, Amarillo, Texas, USA
| | - Xinli Liu
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, Texas, USA
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Tashima T. Smart Strategies for Therapeutic Agent Delivery into Brain across the Blood-Brain Barrier Using Receptor-Mediated Transcytosis. Chem Pharm Bull (Tokyo) 2020; 68:316-325. [PMID: 32238649 DOI: 10.1248/cpb.c19-00854] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Discriminatory drug delivery into target cells is essential to effectively elicit the drug activity and to avoid off-target side effects; however, transporting drugs across the cell membrane is difficult due to factors such as molecular size, hydrophilicity, intercellular adhesiveness, and efflux transporters, particularly, in the brain capillary endothelial cells. Drug delivery into the brain is blocked by the blood-brain barrier (BBB). Thus, developing drugs for the central nervous system (CNS) diseases remains a challenge. The approach based on receptor-mediated transcytosis (RMT) can overcome this impassable problem at the BBB. Well-designed molecules for RMT form conjugates with the ligand and drugs via linkers or nanoparticles. Cell penetrating peptides (CPPs), receptor-targeting peptides, and monoclonal antibodies (mAbs) are often used as ligands. The binding of ligand to the receptor on the endothelial cell surface induces endocytosis. Existing exosomes comprising the conjugates move in the cytoplasm and fuse with the opposite plasma membrane to release them. Subsequently, the transcytosed conjugate-loaded drugs or released drugs from the conjugates elicit activity in the brain. As receptors, transferrin receptor (TfR), low-density lipoprotein receptor (LDLR), and insulin receptor (InsR) have been used to intendedly induce transcytosis. Presently, several clinical trials on CNS drugs for Alzheimer's and Parkinson disease are hindered due to poor drug distribution into the brain. Therefore, this strategy based on RMT is a promising method for CNS drugs to be transported into the brain. In this review, I introduce the practicality and possibility of drug delivery into brain across the BBB using RMT.
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Skwarecki AS, Nowak MG, Milewska MJ. Synthetic strategies in construction of organic low molecular-weight carrier-drug conjugates. Bioorg Chem 2020; 104:104311. [PMID: 33142423 DOI: 10.1016/j.bioorg.2020.104311] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 08/31/2020] [Accepted: 09/20/2020] [Indexed: 12/30/2022]
Abstract
Inefficient transportation of polar metabolic inhibitors through cell membranes of eukaryotic and prokaryotic cells precludes their direct use as drug candidates in chemotherapy. One of the possible solutions to this problem is application of the 'Trojan horse' strategy, i.e. conjugation of an active substance with a molecular carrier of organic or inorganic nature, facilitating membrane penetration. In this work, the synthetic strategies used in rational design and preparation of conjugates of bioactive agents with three types of organic low molecular-weight carriers have been reviewed. These include iron-chelating agents, siderophores and cell-penetrating peptides. Moreover, a less known but very promising "molecular umbrella" conjugation strategy has been presented. Special attention has been paid on appropriate linking strategies, especially these allowing intracellular drug release after internalisation of a conjugate.
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Affiliation(s)
- Andrzej S Skwarecki
- Department of Pharmaceutical Technology and Biochemistry, Gdańsk University of Technology, 11/12 Gabriela Narutowicza Street, 80-233 Gdańsk, Poland.
| | - Michał G Nowak
- Department of Organic Chemistry, Gdańsk University of Technology, 11/12 Gabriela Narutowicza Street, 80-233 Gdańsk, Poland
| | - Maria J Milewska
- Department of Organic Chemistry, Gdańsk University of Technology, 11/12 Gabriela Narutowicza Street, 80-233 Gdańsk, Poland
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15
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Evaluation of Cell-Penetrating Peptides as Versatile, Effective Absorption Enhancers: Relation to Molecular Weight and Inherent Epithelial Drug Permeability. Pharm Res 2020; 37:182. [PMID: 32888051 DOI: 10.1007/s11095-020-02874-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 07/02/2020] [Indexed: 10/23/2022]
Abstract
PURPOSE The poor permeability of new drug candidates across intestinal epithelial membranes complicates their development in oral form. This study investigated the potential of cell-penetrating peptides (CPPs) to improve the intestinal permeation and absorption of low-permeable low-molecular-weight (low-MW) drugs. METHODS The in vitro epithelial permeation of six different drugs (metformin, risedronate, zanamivir, methotrexate [MTX], tacrolimus, and vincristine [VCR]) across Caco-2 cell monolayers was examined in the presence and absence of L- or D-penetratin, and the correlation between permeation enhancement efficiency and the properties of tested drugs was analyzed. In addition, a rat closed ileal loop absorption study was conducted to determine the in vivo effects of penetratin. RESULTS MTX and VCR efficiently permeated Caco-2 monolayers in the presence of L- and D-penetratin, suggesting that CPPs enhanced the epithelial permeation of drugs with relatively high molecular weight and resultant limited intrinsic permeability. The in vivo rat closed ileal loop absorption study revealed the stimulatory effect of L- and D-penetratin on the intestinal absorption of MTX and VCR. CONCLUSIONS CPPs are useful as oral absorption enhancers for low-permeable drugs.
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Vale N, Alves C, Sharma V, Lázaro DF, Silva S, Gomes P, Outeiro TF. A new MAP-Rasagiline conjugate reduces α-synuclein inclusion formation in a cell model. Pharmacol Rep 2020; 72:456-464. [PMID: 32048262 DOI: 10.1007/s43440-019-00032-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 11/05/2019] [Accepted: 11/18/2019] [Indexed: 02/05/2023]
Abstract
BACKGROUND Parkinson's disease (PD) is the second most common neurodegenerative disease of the elderly. Current therapies are only symptomatic, and have no disease-modifying effect. Therefore, disease progresses continuously over time, presenting with both motor and non-motor features. The precise molecular basis for PD is still elusive, but the aggregation of the protein alpha-synuclein (α-syn) is a key pathological hallmark of the disease and is, therefore, a major focus of current research. Considering the intrinsic properties of cell-penetrating peptides (CPPs) for mediating drug delivery of neurotherapeutics across the blood brain barrier (BBB), these might open novel opportunities for the development of new solutions for the treatment of brain-related aspects of PD and other neurodegenerative disorders. METHODS Here, we synthesized solid-phase CPPs using an amphipathic model peptide (MAP) conjugated with the drug Rasagiline (RAS), which we named RAS-MAP, and evaluated its effect on α-syn inclusion formation in a human cell-based model of synucleinopathy. RESULTS We found that treatment with RAS-MAP at low concentrations (1-3 µM) reduced α-syn aggregation in cells. CONCLUSIONS For the first time, we report that conjugation of a current drug used in the therapy of PD with CPP reduces α-syn aggregation, which might prove beneficial in PD and other synucleinopathies.
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Affiliation(s)
- Nuno Vale
- Laboratory of Pharmacology, Department of Drug Sciences, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal. .,Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Rua Júlio Amaral de Carvalho, 45, 4200-135, Porto, Portugal. .,Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal. .,Department of Molecular Pathology and Immunology, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal.
| | - Cláudia Alves
- Department of Chemistry and Biochemistry, Faculty of Sciences, LAQV/REQUIMTE, University of Porto, Rua do Campo Alegre, 687, 4169-007, Porto, Portugal
| | - Vaishali Sharma
- Department of Experimental Neurodegeneration, Center for Biostructural Imaging of Neurodegeneration, Center for Nanoscale Microscopy and Molecular Physiology of the Brain, University Medical Center Göttingen, Göttingen, Germany
| | - Diana F Lázaro
- Department of Experimental Neurodegeneration, Center for Biostructural Imaging of Neurodegeneration, Center for Nanoscale Microscopy and Molecular Physiology of the Brain, University Medical Center Göttingen, Göttingen, Germany
| | - Sara Silva
- Laboratory of Pharmacology, Department of Drug Sciences, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal.,Institute of Molecular Pathology and Immunology of the University of Porto (IPATIMUP), Rua Júlio Amaral de Carvalho, 45, 4200-135, Porto, Portugal.,Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal
| | - Paula Gomes
- Department of Chemistry and Biochemistry, Faculty of Sciences, LAQV/REQUIMTE, University of Porto, Rua do Campo Alegre, 687, 4169-007, Porto, Portugal
| | - Tiago Fleming Outeiro
- Department of Experimental Neurodegeneration, Center for Biostructural Imaging of Neurodegeneration, Center for Nanoscale Microscopy and Molecular Physiology of the Brain, University Medical Center Göttingen, Göttingen, Germany.,Max Planck Institute for Experimental Medicine, Göttingen, Germany.,Institute of Neuroscience, The Medical School, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH, UK
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Liu JJ, Tang W, Fu M, Gong XQ, Kong L, Yao XM, Jing M, Cai FY, Li XT, Ju RJ. Development of R 8 modified epirubicin-dihydroartemisinin liposomes for treatment of non-small-cell lung cancer. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2019; 47:1947-1960. [PMID: 31079495 DOI: 10.1080/21691401.2019.1615932] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Presently, there are no few anticancer drugs that have been used clinically due to their poor targeting ability, short half-life period, non-selective distributions, generation of vasculogenic mimicry (VM) channels, high metastasis, and high recurrence rate. This study aimed to explore the effects of R8 modified epirubicin-dihydroartemisinin liposomes that could target non-small-cell lung cancer (NSCLC) cells, destroy VM channels, inhibit tumor metastasis, and explain the possible underlying mechanism. In vitro assays indicated that R8 modified epirubicin-dihydroartemisinin liposomes with ideal physicochemical characteristics could exhibit not only powerful cytotoxicity on A549 cells, but also the effective suppression of VM channels and tumor metastasis. Mechanistic studies manifested that R8 modified epirubicin-dihydroartemisinin liposomes could down-regulate the levels of VE-Cad, TGF-β1, MMP-2, and HIF-1α. In vivo assays indicated that R8 modified epirubicin-dihydroartemisinin liposomes could both increase the selective accumulation of chemotherapeutic drugs at tumor sites and show a targeting conspicuous of antitumor efficacy. In conclusion, the R8 modified epirubicin-dihydroartemisinin liposomes prepared in this study provide a treatment strategy with high efficiency for NSCLC.
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Affiliation(s)
- Jing-Jing Liu
- a School of Pharmacy , Liaoning University of Traditional Chinese Medicine , Dalian , China
| | - Wei Tang
- b Linyi Food and Drug Testing Center , Linyi , China
| | - Min Fu
- a School of Pharmacy , Liaoning University of Traditional Chinese Medicine , Dalian , China
| | - Xiao-Qing Gong
- c Department of Pharmaceutical Engineering , Beijing Institute of Petrochemical Technology , Beijing , China
| | - Liang Kong
- a School of Pharmacy , Liaoning University of Traditional Chinese Medicine , Dalian , China
| | - Xue-Min Yao
- a School of Pharmacy , Liaoning University of Traditional Chinese Medicine , Dalian , China
| | - Ming Jing
- a School of Pharmacy , Liaoning University of Traditional Chinese Medicine , Dalian , China
| | - Fu-Yi Cai
- a School of Pharmacy , Liaoning University of Traditional Chinese Medicine , Dalian , China
| | - Xue-Tao Li
- a School of Pharmacy , Liaoning University of Traditional Chinese Medicine , Dalian , China
| | - Rui-Jun Ju
- c Department of Pharmaceutical Engineering , Beijing Institute of Petrochemical Technology , Beijing , China
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Gallo M, Defaus S, Andreu D. 1988-2018: Thirty years of drug smuggling at the nano scale. Challenges and opportunities of cell-penetrating peptides in biomedical research. Arch Biochem Biophys 2018; 661:74-86. [PMID: 30447207 DOI: 10.1016/j.abb.2018.11.010] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 11/08/2018] [Accepted: 11/12/2018] [Indexed: 12/22/2022]
Abstract
In 1988, two unrelated papers reported the discovery of peptide vectors with innate cell translocation properties, setting the ground for a new area of research that over the years has grown into considerable therapeutic potential. The vectors, named cell-penetrating peptides (CPPs), constitute a now large and diversified family, sharing the extraordinary ability to diffuse unaltered across cell membranes while ferrying diverse associated cargos. Such properties have made CPPs ideal tools for delivery of nucleic acids, proteins and other therapeutic/diagnostic molecules to cells and tissues via covalent conjugation or complexation. This year 2018 marks the 30th anniversary of a peptide research landmark opening new perspectives in drug delivery. Given its vastness, exhaustive coverage of the main features and accomplishments in the CPP field is virtually impossible. Hence this manuscript, after saluting the above 30th jubilee, focuses by necessity on the most recent contributions, providing a comprehensive list of recognized CPPs and their latest-reported applications over the last two years. In addition, it thoroughly reviews three areas of peptide vector research of particular interest to us, namely (i) efficient transport of low-bioavailability drugs into the brain; (ii) CPP-delivered disruptors of G protein-coupled receptor (GPCRs) heteromers related to several disorders, and (iii) CPP-mediated delivery of useful but poorly internalized drugs into parasites.
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Affiliation(s)
- Maria Gallo
- Department of Experimental and Health Sciences, Pompeu Fabra University, Barcelona Biomedical Research Park, 08003 Barcelona, Spain
| | - Sira Defaus
- Department of Experimental and Health Sciences, Pompeu Fabra University, Barcelona Biomedical Research Park, 08003 Barcelona, Spain.
| | - David Andreu
- Department of Experimental and Health Sciences, Pompeu Fabra University, Barcelona Biomedical Research Park, 08003 Barcelona, Spain.
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