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Fuller RN, Morcos A, Bustillos JG, Molina DC, Wall NR. Small non-coding RNAs and pancreatic ductal adenocarcinoma: Linking diagnosis, pathogenesis, drug resistance, and therapeutic potential. Biochim Biophys Acta Rev Cancer 2024; 1879:189153. [PMID: 38986720 DOI: 10.1016/j.bbcan.2024.189153] [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: 01/22/2024] [Revised: 07/03/2024] [Accepted: 07/05/2024] [Indexed: 07/12/2024]
Abstract
This review comprehensively investigates the intricate interplay between small non-coding RNAs (sncRNAs) and pancreatic ductal adenocarcinoma (PDAC), a devastating malignancy with limited therapeutic options. Our analysis reveals the pivotal roles of sncRNAs in various facets of PDAC biology, spanning diagnosis, pathogenesis, drug resistance, and therapeutic strategies. sncRNAs have emerged as promising biomarkers for PDAC, demonstrating distinct expression profiles in diseased tissues. sncRNA differential expression patterns, often detectable in bodily fluids, hold potential for early and minimally invasive diagnostic approaches. Furthermore, sncRNAs exhibit intricate involvement in PDAC pathogenesis, regulating critical cellular processes such as proliferation, apoptosis, and metastasis. Additionally, mechanistic insights into sncRNA-mediated pathogenic pathways illuminate novel therapeutic targets and interventions. A significant focus of this review is dedicated to unraveling sncRNA mechanisms underlying drug resistance in PDAC. Understanding these mechanisms at the molecular level is imperative for devising strategies to overcome drug resistance. Exploring the therapeutic landscape, we discuss the potential of sncRNAs as therapeutic agents themselves as their ability to modulate gene expression with high specificity renders them attractive candidates for targeted therapy. In summary, this review integrates current knowledge on sncRNAs in PDAC, offering a holistic perspective on their diagnostic, pathogenic, and therapeutic relevance. By elucidating the roles of sncRNAs in PDAC biology, this review provides valuable insights for the development of novel diagnostic tools and targeted therapeutic approaches, crucial for improving the prognosis of PDAC patients.
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Affiliation(s)
- Ryan N Fuller
- Department of Basic Science, Division of Biochemistry, Center for Health Disparity and Mol. Med., Loma Linda University, Loma Linda, CA 92350, USA; Department of Radiation Medicine, James M. Slater, MD Proton Treatment and Research Center, Loma Linda University, Loma Linda, CA 92350, USA
| | - Ann Morcos
- Department of Basic Science, Division of Biochemistry, Center for Health Disparity and Mol. Med., Loma Linda University, Loma Linda, CA 92350, USA; Department of Radiation Medicine, James M. Slater, MD Proton Treatment and Research Center, Loma Linda University, Loma Linda, CA 92350, USA
| | - Joab Galvan Bustillos
- Department of Basic Science, Division of Biochemistry, Center for Health Disparity and Mol. Med., Loma Linda University, Loma Linda, CA 92350, USA; Division of Surgical Oncology, Department of Surgery, Loma Linda University, Loma Linda, CA 92350, USA
| | - David Caba Molina
- Division of Surgical Oncology, Department of Surgery, Loma Linda University, Loma Linda, CA 92350, USA
| | - Nathan R Wall
- Department of Basic Science, Division of Biochemistry, Center for Health Disparity and Mol. Med., Loma Linda University, Loma Linda, CA 92350, USA; Department of Radiation Medicine, James M. Slater, MD Proton Treatment and Research Center, Loma Linda University, Loma Linda, CA 92350, USA.
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2
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Behzadipour Y, Hemmati S. Covalent conjugation and non-covalent complexation strategies for intracellular delivery of proteins using cell-penetrating peptides. Biomed Pharmacother 2024; 176:116910. [PMID: 38852512 DOI: 10.1016/j.biopha.2024.116910] [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: 04/03/2024] [Revised: 06/03/2024] [Accepted: 06/06/2024] [Indexed: 06/11/2024] Open
Abstract
Therapeutic proteins provided new opportunities for patients and high sales volumes. However, they are formulated for extracellular targets. The lipophilic barrier of the plasma membrane renders the vast array of intracellular targets out of reach. Peptide-based delivery systems, namely cell-penetrating peptides (CPPs), have few safety concerns, and low immunogenicity, with control over administered doses. This study investigates CPP-based protein delivery systems by classifying them into CPP-protein "covalent conjugation" and CPP: protein "non-covalent complexation" categories. Covalent conjugates ensure the proximity of the CPP to the cargo, which can improve cellular uptake and endosomal escape. We will discuss various aspects of covalent conjugates through non-cleavable (stable) or cleavable bonds. Non-cleavable CPP-protein conjugates are produced by recombinant DNA technology to express the complete fusion protein in a host cell or by chemical ligation of CPP and protein, which ensures stability during the delivery process. CPP-protein cleavable bonds are classified into pH-sensitive and redox-sensitive bonds, enzyme-cleavable bonds, and physical stimuli cleavable linkers (light radiation, ultrasonic waves, and thermo-responsive). We have highlighted the key characteristics of non-covalent complexes through electrostatic and hydrophobic interactions to preserve the conformational integrity of the CPP and cargo. CPP-mediated protein delivery by non-covalent complexation, such as zippers, CPP adaptor methods, and avidin-biotin technology, are featured. Conclusively, non-covalent complexation methods are appropriate when a high number of CPP or protein samples are to be screened. In contrast, when the high biological activity of the protein is critical in the intracellular compartment, conjugation protocols are preferred.
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Affiliation(s)
- Yasaman Behzadipour
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Islamic Republic of Iran; Department of Pharmaceutical Biotechnology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Islamic Republic of Iran
| | - Shiva Hemmati
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Islamic Republic of Iran; Biotechnology Research Center, Shiraz University of Medical Sciences, Shiraz, Islamic Republic of Iran.
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3
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Patel P, Benzle K, Pei D, Wang GL. Cell-penetrating peptides for sustainable agriculture. TRENDS IN PLANT SCIENCE 2024:S1360-1385(24)00144-4. [PMID: 38902122 DOI: 10.1016/j.tplants.2024.05.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 05/24/2024] [Accepted: 05/30/2024] [Indexed: 06/22/2024]
Abstract
Cell-penetrating peptides (CPPs) are short (typically 5-30 amino acids), cationic, amphipathic, or hydrophobic peptides that facilitate the cellular uptake of diverse cargo molecules by eukaryotic cells via direct translocation or endocytosis across the plasma membrane. CPPs can deliver a variety of bioactive cargos, including proteins, peptides, nucleic acids, and small molecules into the cell. Once inside, the delivered cargo may function in the cytosol, nucleus, or other subcellular compartments. Numerous CPPs have been used for studies and drug delivery in mammalian systems. Although CPPs have many potential uses in plant research and agriculture, the application of CPPs in plants remains limited. Here we review the structures and mechanisms of CPPs and highlight their potential applications for sustainable agriculture.
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Affiliation(s)
- Preeti Patel
- Department of Plant Pathology, The Ohio State University, Columbus, OH 43210, USA
| | - Kyle Benzle
- Department of Plant Pathology, The Ohio State University, Columbus, OH 43210, USA
| | - Dehua Pei
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH 43210, USA
| | - Guo-Liang Wang
- Department of Plant Pathology, The Ohio State University, Columbus, OH 43210, USA.
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4
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Moreira R, Nóbrega C, de Almeida LP, Mendonça L. Brain-targeted drug delivery - nanovesicles directed to specific brain cells by brain-targeting ligands. J Nanobiotechnology 2024; 22:260. [PMID: 38760847 PMCID: PMC11100082 DOI: 10.1186/s12951-024-02511-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 04/29/2024] [Indexed: 05/19/2024] Open
Abstract
Neurodegenerative diseases are characterized by extensive loss of function or death of brain cells, hampering the life quality of patients. Brain-targeted drug delivery is challenging, with a low success rate this far. Therefore, the application of targeting ligands in drug vehicles, such as lipid-based and polymeric nanoparticles, holds the promise to overcome the blood-brain barrier (BBB) and direct therapies to the brain, in addition to protect their cargo from degradation and metabolization. In this review, we discuss the barriers to brain delivery and the different types of brain-targeting ligands currently in use in brain-targeted nanoparticles, such as peptides, proteins, aptamers, small molecules, and antibodies. Moreover, we present a detailed review of the different targeting ligands used to direct nanoparticles to specific brain cells, like neurons (C4-3 aptamer, neurotensin, Tet-1, RVG, and IKRG peptides), astrocytes (Aquaporin-4, D4, and Bradykinin B2 antibodies), oligodendrocytes (NG-2 antibody and the biotinylated DNA aptamer conjugated to a streptavidin core Myaptavin-3064), microglia (CD11b antibody), neural stem cells (QTRFLLH, VPTQSSG, and NFL-TBS.40-63 peptides), and to endothelial cells of the BBB (transferrin and insulin proteins, and choline). Reports demonstrated enhanced brain-targeted delivery with improved transport to the specific cell type targeted with the conjugation of these ligands to nanoparticles. Hence, this strategy allows the implementation of high-precision medicine, with reduced side effects or unwanted therapy clearance from the body. Nevertheless, the accumulation of some of these nanoparticles in peripheral organs has been reported indicating that there are still factors to be improved to achieve higher levels of brain targeting. This review is a collection of studies exploring targeting ligands for the delivery of nanoparticles to the brain and we highlight the advantages and limitations of this type of approach in precision therapies.
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Grants
- under BrainHealth2020 projects (CENTRO-01-0145-FEDER-000008), through the COMPETE 2020 - Operational Programme for Competitiveness and Internationalization and Portuguese national funds via FCT - Fundação para a Ciência e a Tecnologia, under projects - UIDB/04539/2020 and UIDP/04539/2020, POCI-01-0145-FEDER-030737 (NeuroStemForMJD, PTDC/BTM-ORG/30737/2017), CEECIND/04242/2017, and PhD Scholarship European Regional Development Fund (ERDF) through the Centro 2020 Regional Operational Programme
- under BrainHealth2020 projects (CENTRO-01-0145-FEDER-000008), through the COMPETE 2020 - Operational Programme for Competitiveness and Internationalization and Portuguese national funds via FCT - Fundação para a Ciência e a Tecnologia, under projects - UIDB/04539/2020 and UIDP/04539/2020, POCI-01-0145-FEDER-030737 (NeuroStemForMJD, PTDC/BTM-ORG/30737/2017), CEECIND/04242/2017, and PhD Scholarship European Regional Development Fund (ERDF) through the Centro 2020 Regional Operational Programme
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Affiliation(s)
- Ricardo Moreira
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, polo 1, Coimbra, FMUC, 3004-504, Portugal
- CIBB - Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, 3004-504, Portugal
- Faculty of Pharmacy, University of Coimbra, Coimbra, 3000-548, Portugal
| | - Clévio Nóbrega
- Algarve Biomedical Center Research Institute (ABC-RI), University of Algarve, Faro, 8005-139, Portugal
- Faculty of Medicine and Biomedical Sciences, University of Algarve, Faro, 8005-139, Portugal
| | - Luís Pereira de Almeida
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, polo 1, Coimbra, FMUC, 3004-504, Portugal
- CIBB - Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, 3004-504, Portugal
- Faculty of Pharmacy, University of Coimbra, Coimbra, 3000-548, Portugal
- Institute of Interdisciplinary Research, University of Coimbra, Coimbra, 3030-789, Portugal
| | - Liliana Mendonça
- CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, polo 1, Coimbra, FMUC, 3004-504, Portugal.
- CIBB - Center for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, 3004-504, Portugal.
- Institute of Interdisciplinary Research, University of Coimbra, Coimbra, 3030-789, Portugal.
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Pirhaghi M, Mamashli F, Moosavi-Movahedi F, Arghavani P, Amiri A, Davaeil B, Mohammad-Zaheri M, Mousavi-Jarrahi Z, Sharma D, Langel Ü, Otzen DE, Saboury AA. Cell-Penetrating Peptides: Promising Therapeutics and Drug-Delivery Systems for Neurodegenerative Diseases. Mol Pharm 2024; 21:2097-2117. [PMID: 38440998 DOI: 10.1021/acs.molpharmaceut.3c01167] [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] [Indexed: 03/06/2024]
Abstract
Currently, one of the most significant and rapidly growing unmet medical challenges is the treatment of neurodegenerative diseases such as Alzheimer's disease (AD) and Parkinson's disease (PD). This challenge encompasses the imperative development of efficacious therapeutic agents and overcoming the intricacies of the blood-brain barrier for successful drug delivery. Here we focus on the delivery aspect with particular emphasis on cell-penetrating peptides (CPPs), widely used in basic and translational research as they enhance drug delivery to challenging targets such as tissue and cellular compartments and thus increase therapeutic efficacy. The combination of CPPs with nanomaterials such as nanoparticles (NPs) improves the performance, accuracy, and stability of drug delivery and enables higher drug loads. Our review presents and discusses research that utilizes CPPs, either alone or in conjugation with NPs, to mitigate the pathogenic effects of neurodegenerative diseases with particular reference to AD and PD.
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Affiliation(s)
- Mitra Pirhaghi
- Department of Biological Sciences, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 6673145137, Iran
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417614335, Iran
| | - Fatemeh Mamashli
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417614335, Iran
| | | | - Payam Arghavani
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417614335, Iran
| | - Ahmad Amiri
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417614335, Iran
| | - Bagher Davaeil
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417614335, Iran
| | - Mahya Mohammad-Zaheri
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417614335, Iran
| | - Zahra Mousavi-Jarrahi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417614335, Iran
| | - Deepak Sharma
- Council of Scientific and Industrial Research-Institute of Microbial Technology, Chandigarh 160036, India
- Academy of Scientific & Innovative Research, Ghaziabad, Uttar Pradesh 201002, India
| | - Ülo Langel
- Department of Biochemistry and Biophysics, Stockholm University, Stockholm 10691, Sweden
| | - Daniel Erik Otzen
- Interdisciplinary Nanoscience Centre (iNANO), Aarhus University, 8000 Aarhus C 1592-224, Denmark
| | - Ali Akbar Saboury
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417614335, Iran
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Nebogatova J, Porosk L, Härk HH, Kurrikoff K. Enhancing Cellular Uptake of Native Proteins through Bio-Orthogonal Conjugation with Chemically Synthesized Cell-Penetrating Peptides. Pharmaceutics 2024; 16:617. [PMID: 38794279 PMCID: PMC11125112 DOI: 10.3390/pharmaceutics16050617] [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: 04/03/2024] [Revised: 04/29/2024] [Accepted: 05/01/2024] [Indexed: 05/26/2024] Open
Abstract
The potential for native proteins to serve as a platform for biocompatible, targeted, and personalized therapeutics in the context of genetic and metabolic disorders is vast. Nevertheless, their clinical application encounters challenges, particularly in overcoming biological barriers and addressing the complexities involved in engineering transmembrane permeability. This study is dedicated to the development of a multifunctional nanoentity in which a model therapeutic protein is covalently linked to a cell-penetrating peptide, NickFect 55, with the objective of enhancing its intracellular delivery. Successful binding of the nanoentity fragments was achieved through the utilization of an intein-mediated protein-trans splicing reaction. Our research demonstrates that the fully assembled nanoentity-containing protein was effectively internalized by the cells, underscoring the potential of this approach in overcoming barriers associated with protein-based therapeutics for the treatment of genetic disorders.
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7
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Falanga A, Bellavita R, Braccia S, Galdiero S. Hydrophobicity: The door to drug delivery. J Pept Sci 2024; 30:e3558. [PMID: 38115215 DOI: 10.1002/psc.3558] [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: 10/10/2023] [Revised: 11/10/2023] [Accepted: 11/14/2023] [Indexed: 12/21/2023]
Abstract
The engineering of intracellular delivery systems with the goal of achieving personalized medicine has been encouraged by advances in nanomaterial science as well as a greater understanding of diseases and of the biochemical pathways implicated in many disorders. The development of vectors able to transport the drug to a target location and release it only on demand is undoubtedly the primary issue. From a molecular perspective, the topography of drug carrier surfaces is directly related to the design of an effective drug carrier because it provides a physical hint to modifying its interactions with biological systems. For instance, the initial ratio of hydrophilic to hydrophobic surfaces and the changes brought about by external factors enable the release or encapsulation of a therapeutic molecule and the ability of the nanosystem to cross biological barriers and reach its target without causing systemic toxicity. The first step in creating new materials with enhanced functionality is to comprehend and characterize the interplay between hydrophilic and hydrophobic molecules at the molecular level. Therefore, the focus of this review is on the function of hydrophobicity, which is essential for matching the complexity of biological environments with the intended functionality.
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Affiliation(s)
- Annarita Falanga
- Department of Agricultural Sciences, University of Naples "Federico II", Naples, Italy
- CiRPEB, Research Centre on Bioactive Peptides "Carlo Pedone", University of Naples "Federico II", Naples, Italy
| | - Rosa Bellavita
- Department of Environmental, Biological and Pharmaceutical Science and Technology, University of Campania "Luigi Vanvitelli", Caserta, Italy
- Department of Pharmacy, University of Naples "Federico II", Naples, Italy
| | - Simone Braccia
- Department of Pharmacy, University of Naples "Federico II", Naples, Italy
| | - Stefania Galdiero
- CiRPEB, Research Centre on Bioactive Peptides "Carlo Pedone", University of Naples "Federico II", Naples, Italy
- Department of Pharmacy, University of Naples "Federico II", Naples, Italy
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8
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Dowaidar M. Uptake pathways of cell-penetrating peptides in the context of drug delivery, gene therapy, and vaccine development. Cell Signal 2024; 117:111116. [PMID: 38408550 DOI: 10.1016/j.cellsig.2024.111116] [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: 01/03/2024] [Revised: 02/19/2024] [Accepted: 02/21/2024] [Indexed: 02/28/2024]
Abstract
Cell-penetrating peptides have been extensively utilized for the purpose of facilitating the intracellular delivery of cargo that is impermeable to the cell membrane. The researchers have exhibited proficient delivery capabilities for oligonucleotides, thereby establishing cell-penetrating peptides as a potent instrument in the field of gene therapy. Furthermore, they have demonstrated a high level of efficiency in delivering several additional payloads. Cell penetrating peptides (CPPs) possess the capability to efficiently transport therapeutic molecules to specific cells, hence offering potential remedies for many illnesses. Hence, their utilization is imperative for the improvement of therapeutic vaccines. In contemporary studies, a plethora of cell-penetrating peptides have been unveiled, each characterized by its own distinct structural attributes and associated mechanisms. Although it is widely acknowledged that there are multiple pathways through which particles might be internalized, a comprehensive understanding of the specific mechanisms by which these particles enter cells has to be fully elucidated. The absorption of cell-penetrating peptides can occur through either direct translocation or endocytosis. However, it is worth noting that categories of cell-penetrating peptides are not commonly linked to specific entrance mechanisms. Furthermore, research has demonstrated that cell-penetrating peptides (CPPs) possess the capacity to enhance antigen uptake by cells and facilitate the traversal of various biological barriers. The primary objective of this work is to examine the mechanisms by which cell-penetrating peptides are internalized by cells and their significance in facilitating the administration of drugs, particularly in the context of gene therapy and vaccine development. The current study investigates the immunostimulatory properties of numerous vaccine components administered using different cell-penetrating peptides (CPPs). This study encompassed a comprehensive discussion on various topics, including the uptake pathways and mechanisms of cell-penetrating peptides (CPPs), the utilization of CPPs as innovative vectors for gene therapy, the role of CPPs in vaccine development, and the potential of CPPs for antigen delivery in the context of vaccine development.
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Affiliation(s)
- Moataz Dowaidar
- Bioengineering Department, King Fahd University of Petroleum and Minerals (KFUPM), Dhahran 31261, Saudi Arabia; Interdisciplinary Research Center for Hydrogen Technologies and Carbon Management, King Fahd University of Petroleum and Minerals (KFUPM), Dhahran 31261, Saudi Arabia; Biosystems and Machines Research Center, King Fahd University of Petroleum and Minerals (KFUPM), Dhahran 31261, Saudi Arabia.
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9
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Park SG, Lee HB, Kang S. Development of plug-and-deliverable intracellular protein delivery platforms based on botulinum neurotoxin. Int J Biol Macromol 2024; 261:129622. [PMID: 38266854 DOI: 10.1016/j.ijbiomac.2024.129622] [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: 10/24/2023] [Revised: 01/04/2024] [Accepted: 01/18/2024] [Indexed: 01/26/2024]
Abstract
Intracellular protein delivery systems have great potential in the fields of therapeutics development and biomedical research. However, targeted delivery, passing through the cell membrane without damaging the cells, and escaping from endosomal entrapment of endocytosed molecular cargos are major challenges of the system. Here, we present a novel intracellular protein delivery system based on modularly engineered botulinum neurotoxin type A (BoNT/A). LHNA domain, consisting of light chain and endosomal escape machinery of BoNT/A, was genetically fused with SpyCatcher (SC) and EGFR targeting affibody (EGFRAfb) to create SC-LHNA-EGFRAfb, a target-specific and protein cargo-switchable BoNT/A-based intracellular protein delivery platform. SC-LHNA-EGFRAfb was purely purified in large quantities, efficiently ligated with multiple ST-fused protein cargos individually, generating a variety of protein cargo-containing intracellular delivery complexes, and successfully delivered ligated protein cargos into the cytosol of target cells via receptor-mediated endocytosis, followed by endosomal escape and subsequent cytosolic delivery. SC-LHNA-EGFRAfb enhanced intracellular delivery efficiency of protein toxin, gelonin, by approximately 100-fold, highlighting the crucial roles of EGFRAfb and LHNA domain as a targeting ligand and an endosomal escape machinery, respectively, in the delivery process. The BoNT-based plug-and-deliverable intracellular protein delivery system has the potential to expand its applications in protein therapeutics and manipulating cellular processes.
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Affiliation(s)
- Seong Guk Park
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Hyun Bin Lee
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
| | - Sebyung Kang
- Department of Biological Sciences, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea.
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10
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Zong P, Feng J, Legere N, Li Y, Yue Z, Li CX, Mori Y, Miller B, Hao B, Yue L. TRPM2 enhances ischemic excitotoxicity by associating with PKCγ. Cell Rep 2024; 43:113722. [PMID: 38308841 PMCID: PMC11023021 DOI: 10.1016/j.celrep.2024.113722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 11/30/2023] [Accepted: 01/13/2024] [Indexed: 02/05/2024] Open
Abstract
N-methyl-D-aspartate receptor (NMDAR)-mediated glutamate excitotoxicity significantly contributes to ischemic neuronal death and post-recanalization infarction expansion. Despite tremendous efforts, targeting NMDARs has proven unsuccessful in clinical trials for mitigating brain injury. Here, we show the discovery of an interaction motif for transient receptor potential melastatin 2 (TRPM2) and protein kinase Cγ (PKCγ) association and demonstrate that TRPM2-PKCγ uncoupling is an effective therapeutic strategy for attenuating NMDAR-mediated excitotoxicity in ischemic stroke. We demonstrate that the TRPM2-PKCγ interaction allows TRPM2-mediated Ca2+ influx to promote PKCγ activation, which subsequently enhances TRPM2-induced potentiation of extrasynaptic NMDAR (esNMDAR) activity. By identifying the PKCγ binding motif on TRPM2 (M2PBM), which directly associates with the C2 domain of PKCγ, an interfering peptide (TAT-M2PBM) is developed to disrupt TRPM2-PKCγ interaction without compromising PKCγ function. M2PBM deletion or TRPM2-PKCγ dissociation abolishes both TRPM2-PKCγ and TRPM2-esNMDAR couplings, resulting in reduced excitotoxic neuronal death and attenuated ischemic brain injury.
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Affiliation(s)
- Pengyu Zong
- Department of Cell Biology, Calhoun Cardiology Center, University of Connecticut School of Medicine (UConn Health), Farmington, CT 06030, USA; Institute for the Brain and Cognitive Sciences, University of Connecticut, 337 Mansfield Road, Unit 1272, Storrs, CT 06269, USA
| | - Jianlin Feng
- Department of Cell Biology, Calhoun Cardiology Center, University of Connecticut School of Medicine (UConn Health), Farmington, CT 06030, USA
| | - Nicholas Legere
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA; Department of Genetics and Genome Sciences, UConn Health, Farmington, CT 06030, USA
| | - Yunfeng Li
- Department of Molecular Biology and Biophysics, University of Connecticut School of Medicine (UConn Health), Farmington, CT 06030, USA
| | - Zhichao Yue
- Department of Cell Biology, Calhoun Cardiology Center, University of Connecticut School of Medicine (UConn Health), Farmington, CT 06030, USA
| | - Cindy X Li
- Department of Cell Biology, Calhoun Cardiology Center, University of Connecticut School of Medicine (UConn Health), Farmington, CT 06030, USA; Institute for the Brain and Cognitive Sciences, University of Connecticut, 337 Mansfield Road, Unit 1272, Storrs, CT 06269, USA
| | - Yasuo Mori
- Laboratory of Molecular Biology, Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Kyoto 615-8510, Japan
| | - Barbara Miller
- Departments of Biochemistry and Molecular Biology, The Pennsylvania State University College of Medicine, P.O. Box 850, Hershey, PA 17033, USA
| | - Bing Hao
- Department of Molecular Biology and Biophysics, University of Connecticut School of Medicine (UConn Health), Farmington, CT 06030, USA
| | - Lixia Yue
- Department of Cell Biology, Calhoun Cardiology Center, University of Connecticut School of Medicine (UConn Health), Farmington, CT 06030, USA.
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Preto AJ, Caniceiro AB, Duarte F, Fernandes H, Ferreira L, Mourão J, Moreira IS. POSEIDON: Peptidic Objects SEquence-based Interaction with cellular DOmaiNs: a new database and predictor. J Cheminform 2024; 16:18. [PMID: 38365724 PMCID: PMC10874016 DOI: 10.1186/s13321-024-00810-7] [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: 10/17/2023] [Accepted: 02/07/2024] [Indexed: 02/18/2024] Open
Abstract
Cell-penetrating peptides (CPPs) are short chains of amino acids that have shown remarkable potential to cross the cell membrane and deliver coupled therapeutic cargoes into cells. Designing and testing different CPPs to target specific cells or tissues is crucial to ensure high delivery efficiency and reduced toxicity. However, in vivo/in vitro testing of various CPPs can be both time-consuming and costly, which has led to interest in computational methodologies, such as Machine Learning (ML) approaches, as faster and cheaper methods for CPP design and uptake prediction. However, most ML models developed to date focus on classification rather than regression techniques, because of the lack of informative quantitative uptake values. To address these challenges, we developed POSEIDON, an open-access and up-to-date curated database that provides experimental quantitative uptake values for over 2,300 entries and physicochemical properties of 1,315 peptides. POSEIDON also offers physicochemical properties, such as cell line, cargo, and sequence, among others. By leveraging this database along with cell line genomic features, we processed a dataset of over 1,200 entries to develop an ML regression CPP uptake predictor. Our results demonstrated that POSEIDON accurately predicted peptide cell line uptake, achieving a Pearson correlation of 0.87, Spearman correlation of 0.88, and r2 score of 0.76, on an independent test set. With its comprehensive and novel dataset, along with its potent predictive capabilities, the POSEIDON database and its associated ML predictor signify a significant leap forward in CPP research and development. The POSEIDON database and ML Predictor are available for free and with a user-friendly interface at https://moreiralab.com/resources/poseidon/ , making them valuable resources for advancing research on CPP-related topics. Scientific Contribution Statement: Our research addresses the critical need for more efficient and cost-effective methodologies in Cell-Penetrating Peptide (CPP) research. We introduced POSEIDON, a comprehensive and freely accessible database that delivers quantitative uptake values for over 2,300 entries, along with detailed physicochemical profiles for 1,315 peptides. Recognizing the limitations of current Machine Learning (ML) models for CPP design, our work leveraged the rich dataset provided by POSEIDON to develop a highly accurate ML regression model for predicting CPP uptake.
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Affiliation(s)
- António J Preto
- Center for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Coimbra, Portugal
- PhD Programme in Experimental Biology and Biomedicine, Institute for Interdisciplinary Research (IIIUC), University of Coimbra, Casa Costa Alemão, 3030-789, Coimbra, Portugal
| | - Ana B Caniceiro
- Center for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Coimbra, Portugal
- Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - Francisco Duarte
- Center for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Coimbra, Portugal
| | - Hugo Fernandes
- CNC - Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
- FMUC - Faculty of Medicine, University of Coimbra, Coimbra, Portugal
- MIA - Multidisciplinary Institute of Ageing, University of Coimbra, Coimbra, Portugal
| | - Lino Ferreira
- CNC - Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
- FMUC - Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - Joana Mourão
- CNC - Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Irina S Moreira
- Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal.
- CNC - Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal.
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12
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Wu J, Roesger S, Jones N, Hu CMJ, Li SD. Cell-penetrating peptides for transmucosal delivery of proteins. J Control Release 2024; 366:864-878. [PMID: 38272399 DOI: 10.1016/j.jconrel.2024.01.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/11/2024] [Accepted: 01/18/2024] [Indexed: 01/27/2024]
Abstract
Enabling non-invasive delivery of proteins across the mucosal barriers promises improved patient compliance and therapeutic efficacies. Cell-penetrating peptides (CPPs) are emerging as a promising and versatile tool to enhance protein and peptide permeation across various mucosal barriers. This review examines the structural and physicochemical attributes of the nasal, buccal, sublingual, and oral mucosa that hamper macromolecular delivery. Recent development of CPPs for overcoming those mucosal barriers for protein delivery is summarized and analyzed. Perspectives regarding current challenges and future research directions towards improving non-invasive transmucosal delivery of macromolecules for ultimate clinical translation are discussed.
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Affiliation(s)
- Jiamin Wu
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
| | - Sophie Roesger
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
| | - Natalie Jones
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
| | - Che-Ming J Hu
- Institute of Biomedical Sciences, Academia Sinica, Taipei 11529, Taiwan
| | - Shyh-Dar Li
- Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada.
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13
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Chen X, Dai W, Li H, Yan Z, Liu Z, He L. Targeted drug delivery strategy: a bridge to the therapy of diabetic kidney disease. Drug Deliv 2023; 30:2160518. [PMID: 36576203 PMCID: PMC9809356 DOI: 10.1080/10717544.2022.2160518] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Diabetic kidney disease (DKD) is the main complication in diabetes mellitus (DM) and the main cause of end-stage kidney disease worldwide. However, sodium glucose cotransporter 2 (SGLT2) inhibition, glucagon-like peptide-1 (GLP-1) receptor agonist, mineralocorticoid receptor antagonists and endothelin receptor A inhibition have yielded promising effects in DKD, a great part of patients inevitably continue to progress to uremia. Newly effective therapeutic options are urgently needed to postpone DKD progression. Recently, accumulating evidence suggests that targeted drug delivery strategies, such as macromolecular carriers, nanoparticles, liposomes and so on, can enhance the drug efficacy and reduce the undesired side effects, which will be a milestone treatment in the management of DKD. The aim of this article is to summarize the current knowledge of targeted drug delivery strategies and select the optimal renal targeting strategy to provide new therapies for DKD.
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Affiliation(s)
- Xian Chen
- Department of Nephrology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, People’s Republic of China
| | - Wenni Dai
- Department of Nephrology, Hunan Key Lab of Kidney Disease and Blood Purification, The Second Xiangya Hospital, Central South University, Changsha, Hunan, People’s Republic of China
| | - Hao Li
- Department of Nephrology, Hunan Key Lab of Kidney Disease and Blood Purification, The Second Xiangya Hospital, Central South University, Changsha, Hunan, People’s Republic of China
| | - Zhe Yan
- Department of Nephrology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, People’s Republic of China
| | - Zhiwen Liu
- Department of Nephrology, Hunan Key Lab of Kidney Disease and Blood Purification, The Second Xiangya Hospital, Central South University, Changsha, Hunan, People’s Republic of China
| | - Liyu He
- Department of Nephrology, Hunan Key Lab of Kidney Disease and Blood Purification, The Second Xiangya Hospital, Central South University, Changsha, Hunan, People’s Republic of China,CONTACT Liyu He Department of Nephrology, Hunan Key Lab of Kidney Disease and Blood Purification, The Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, Hunan410011, People’s Republic of China
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14
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Greschner AA, Brahiti N, Auger M, Hu L, Soleymani Abyaneh H, Barbeau X, Parent V, Gaillet B, Guay D, Soultan AH, Gauthier MA. PEGylation of a Peptide-Based Amphiphilic Delivery Agent and Influence on Protein Delivery to Cells. Biomacromolecules 2023; 24:4890-4900. [PMID: 37862236 DOI: 10.1021/acs.biomac.3c00603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2023]
Abstract
The cell membrane is a restrictive biological barrier, especially for large, charged molecules, such as proteins. The use of cell-penetrating peptides (CPPs) can facilitate the delivery of proteins, protein complexes, and peptides across the membrane by a variety of mechanisms that are all limited by endosomal sequestration. To improve CPP-mediated delivery, we previously reported the rapid and effective cytosolic delivery of proteins in vitro and in vivo by their coadministration with the peptide S10, which combines a CPP and an endosomal leakage domain. Amphiphilic peptides with hydrophobic properties, such as S10, can interact with lipids to destabilize the cell membrane, thus promoting cargo internalization or escape from endosomal entrapment. However, acute membrane destabilization can result in a dose-limiting cytotoxicity. In this context, the partial or transient deactivation of S10 by modification with methoxy poly(ethylene glycol) (mPEG; i.e., PEGylation) may provide the means to alter membrane destabilization kinetics, thereby attenuating the impact of acute permeabilization on cell viability. This study investigates the influence of PEGylation parameters (molecular weight, architecture, and conjugation chemistry) on the delivery efficiency of a green fluorescent protein tagged with a nuclear localization signal (GFP-NLS) and cytotoxicity on cells in vitro. Results suggest that PEGylation mostly interferes with adsorption and secondary structure formation of S10 at the cell membrane, and this effect is exacerbated by the mPEG molecular weight. This effect can be compensated for by increasing the concentration of conjugates prepared with lower molecular weight mPEG (5 to ∼20 kDa) but not for conjugates prepared with higher molecular weight mPEG (40 kDa). For conjugates prepared with moderate-to-high molecular weight mPEG (10 to 20 kDa), partial compensation of inactivation could be achieved by the inclusion of a reducible disulfide bond, which provides a mechanism to liberate the S10 from the polymer. Grafting multiple copies of S10 to a high-molecular-weight multiarmed PEG (40 kDa) improved GFP-NLS delivery efficiency. However, these constructs were more cytotoxic than the native peptide. Considering that PEGylation could be harnessed for altering the pharmacokinetics and biodistribution profiles of peptide-based delivery agents in vivo, the trends observed herein provide new perspectives on how to manipulate the membrane permeabilization process, which is an important variable for achieving delivery.
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Affiliation(s)
- Andrea A Greschner
- Institut National de la Recherche Scientifique (INRS),EMT Research Center, 1650 boulevard Lionel-Boulet, Varennes, QC J3X 1P7, Canada
| | - Nadine Brahiti
- Feldan Therapeutics, 2666 boulevard du Parc Technologique Suite 290, Québec QC G1P 4S6, Canada
| | - Maud Auger
- Feldan Therapeutics, 2666 boulevard du Parc Technologique Suite 290, Québec QC G1P 4S6, Canada
- Département de génie chimique Université Laval, Room #3570, 1065 avenue de la Médecine, Pavillon Adrien-Pouliot, Québec QC G1V 0A6, Canada
| | - Lei Hu
- Institut National de la Recherche Scientifique (INRS),EMT Research Center, 1650 boulevard Lionel-Boulet, Varennes, QC J3X 1P7, Canada
| | - Hoda Soleymani Abyaneh
- Institut National de la Recherche Scientifique (INRS),EMT Research Center, 1650 boulevard Lionel-Boulet, Varennes, QC J3X 1P7, Canada
| | - Xavier Barbeau
- Feldan Therapeutics, 2666 boulevard du Parc Technologique Suite 290, Québec QC G1P 4S6, Canada
| | - Victor Parent
- Feldan Therapeutics, 2666 boulevard du Parc Technologique Suite 290, Québec QC G1P 4S6, Canada
| | - Bruno Gaillet
- Département de génie chimique Université Laval, Room #3570, 1065 avenue de la Médecine, Pavillon Adrien-Pouliot, Québec QC G1V 0A6, Canada
| | - David Guay
- Feldan Therapeutics, 2666 boulevard du Parc Technologique Suite 290, Québec QC G1P 4S6, Canada
- Département de génie chimique Université Laval, Room #3570, 1065 avenue de la Médecine, Pavillon Adrien-Pouliot, Québec QC G1V 0A6, Canada
| | - Al-Halifa Soultan
- Feldan Therapeutics, 2666 boulevard du Parc Technologique Suite 290, Québec QC G1P 4S6, Canada
| | - Marc A Gauthier
- Institut National de la Recherche Scientifique (INRS),EMT Research Center, 1650 boulevard Lionel-Boulet, Varennes, QC J3X 1P7, Canada
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15
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Khairkhah N, Namvar A, Bolhassani A. Application of Cell Penetrating Peptides as a Promising Drug Carrier to Combat Viral Infections. Mol Biotechnol 2023; 65:1387-1402. [PMID: 36719639 PMCID: PMC9888354 DOI: 10.1007/s12033-023-00679-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 01/20/2023] [Indexed: 02/01/2023]
Abstract
Novel effective drugs or therapeutic vaccines have been already developed to eradicate viral infections. Some non-viral carriers have been used for effective drug delivery to a target cell or tissue. Among them, cell penetrating peptides (CPPs) attracted a special interest to enhance drug delivery into the cells with low toxicity. They were also applied to transfer peptide/protein-based and nucleic acids-based therapeutic vaccines against viral infections. CPPs-conjugated drugs or vaccines were investigated in several viral infections including poliovirus, Ebola, coronavirus, herpes simplex virus, human immunodeficiency virus, hepatitis B virus, hepatitis C virus, Japanese encephalitis virus, and influenza A virus. Some studies showed that the uptake of CPPs or CPPs-conjugated drugs can be performed through both non-endocytic and endocytic pathways. Despite high potential of CPPs for cargo delivery, there are some serious drawbacks such as non-tissue-specificity, instability, and suboptimal pharmacokinetics features that limit their clinical applications. At present, some solutions are utilized to improve the CPPs properties such as conjugation of CPPs with targeting moieties, the use of fusogenic lipids, generation of the proton sponge effect, etc. Up to now, no CPP or composition containing CPPs has been approved by the Food and Drug Administration (FDA) due to the lack of sufficient in vivo studies on stability, immunological assays, toxicity, and endosomal escape of CPPs. In this review, we briefly describe the properties, uptake mechanisms, advantages and disadvantages, and improvement of intracellular delivery, and bioavailability of cell penetrating peptides. Moreover, we focus on their application as an effective drug carrier to combat viral infections.
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Affiliation(s)
- Niloofar Khairkhah
- Department of Hepatitis and AIDS, Pasteur Institute of Iran, Tehran, Iran
| | - Ali Namvar
- Iranian Comprehensive Hemophilia Care Center, Tehran, Iran
| | - Azam Bolhassani
- Department of Hepatitis and AIDS, Pasteur Institute of Iran, Tehran, Iran.
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16
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Shokouhi AR, Chen Y, Yoh HZ, Murayama T, Suu K, Morikawa Y, Brenker J, Alan T, Voelcker NH, Elnathan R. Electroactive nanoinjection platform for intracellular delivery and gene silencing. J Nanobiotechnology 2023; 21:273. [PMID: 37592297 PMCID: PMC10433684 DOI: 10.1186/s12951-023-02056-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Accepted: 08/07/2023] [Indexed: 08/19/2023] Open
Abstract
BACKGROUND Nanoinjection-the process of intracellular delivery using vertically configured nanostructures-is a physical route that efficiently negotiates the plasma membrane, with minimal perturbation and toxicity to the cells. Nanoinjection, as a physical membrane-disruption-mediated approach, overcomes challenges associated with conventional carrier-mediated approaches such as safety issues (with viral carriers), genotoxicity, limited packaging capacity, low levels of endosomal escape, and poor versatility for cell and cargo types. Yet, despite the implementation of nanoinjection tools and their assisted analogues in diverse cellular manipulations, there are still substantial challenges in harnessing these platforms to gain access into cell interiors with much greater precision without damaging the cell's intricate structure. Here, we propose a non-viral, low-voltage, and reusable electroactive nanoinjection (ENI) platform based on vertically configured conductive nanotubes (NTs) that allows for rapid influx of targeted biomolecular cargos into the intracellular environment, and for successful gene silencing. The localization of electric fields at the tight interface between conductive NTs and the cell membrane drastically lowers the voltage required for cargo delivery into the cells, from kilovolts (for bulk electroporation) to only ≤ 10 V; this enhances the fine control over membrane disruption and mitigates the problem of high cell mortality experienced by conventional electroporation. RESULTS Through both theoretical simulations and experiments, we demonstrate the capability of the ENI platform to locally perforate GPE-86 mouse fibroblast cells and efficiently inject a diverse range of membrane-impermeable biomolecules with efficacy of 62.5% (antibody), 55.5% (mRNA), and 51.8% (plasmid DNA), with minimal impact on cells' viability post nanoscale-EP (> 90%). We also show gene silencing through the delivery of siRNA that targets TRIOBP, yielding gene knockdown efficiency of 41.3%. CONCLUSIONS We anticipate that our non-viral and low-voltage ENI platform is set to offer a new safe path to intracellular delivery with broader selection of cargo and cell types, and will open opportunities for advanced ex vivo cell engineering and gene silencing.
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Affiliation(s)
- Ali-Reza Shokouhi
- Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, 151 Wellington Road, Clayton, VIC, 3168, Australia
| | - Yaping Chen
- Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, 151 Wellington Road, Clayton, VIC, 3168, Australia
| | - Hao Zhe Yoh
- Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, 151 Wellington Road, Clayton, VIC, 3168, Australia
| | - Takahide Murayama
- Institute of Semiconductor and Electronics Technologies, ULVAC Inc, 1220-1 Suyama, Susono, Shizuoka, 410-1231, Japan
| | - Koukou Suu
- Institute of Semiconductor and Electronics Technologies, ULVAC Inc, 1220-1 Suyama, Susono, Shizuoka, 410-1231, Japan
| | - Yasuhiro Morikawa
- Institute of Semiconductor and Electronics Technologies, ULVAC Inc, 1220-1 Suyama, Susono, Shizuoka, 410-1231, Japan
| | - Jason Brenker
- Department of Mechanical and Aerospace Engineering, Monash University, Wellington Rd, Clayton, VIC, 3168, Australia
| | - Tuncay Alan
- Department of Mechanical and Aerospace Engineering, Monash University, Wellington Rd, Clayton, VIC, 3168, Australia
| | - Nicolas H Voelcker
- Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia.
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, 151 Wellington Road, Clayton, VIC, 3168, Australia.
- INM-Leibniz Institute for New Materials, Campus D2 2, 66123, Saarbrücken, Germany.
- Department of Materials Science and Engineering, Monash University, 22 Alliance Lane, Clayton, VIC, 3168, Australia.
| | - Roey Elnathan
- Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia.
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, 151 Wellington Road, Clayton, VIC, 3168, Australia.
- Faculty of Health, School of Medicine, Deakin University, Waurn Ponds, Melbourne, VIC, 3216, Australia.
- Institute for Frontier Materials, Deakin University, Geelong Waurn Ponds campus, Melbourne, VIC, 3216, Australia.
- The Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Deakin University, Geelong Waurn Ponds Campus, Melbourne, VIC, 3216, Australia.
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Breine A, Van Holsbeeck K, Martin C, Gonzalez S, Mannes M, Pardon E, Steyaert J, Remaut H, Ballet S, Van der Henst C. Bypassing the Need for Cell Permeabilization: Nanobody CDR3 Peptide Improves Binding on Living Bacteria. Bioconjug Chem 2023. [PMID: 37418494 PMCID: PMC10360062 DOI: 10.1021/acs.bioconjchem.3c00116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/09/2023]
Abstract
Membrane interaction constitutes to be an essential parameter in the mode of action of entities such as proteins, as well as cell-penetrating and antimicrobial peptides, resulting in noninvasive or lytic activities depending on the membrane compositions and interactions. Recently, a nanobody able to interact with the top priority, multidrug-resistant bacterial pathogen Acinetobacter baumannii was discovered, although binding took place with fixed cells only. To potentially overcome this limitation, linear peptides corresponding to the complementarity-determining regions (CDR) were synthesized and fluorescently labeled. Microscopy data indicated clear membrane interactions of the CDR3 sequence with living A. baumannii cells, indicating both the importance of the CDR3 as part of the parent nanobody paratope and the improved binding ability and thus avoiding the need for permeabilization of the cells. In addition, cyclization of the peptide with an additionally introduced rigidifying 1,2,3-triazole bridge retains its binding ability while proteolytically protecting the peptide. Overall, this study resulted in the discovery of novel peptides binding a multidrug-resistant pathogen.
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Affiliation(s)
- A Breine
- Microbial Resistance and Drug Discovery, VIB-VUB Center for Structural Biology, VIB, Flanders Institute for Biotechnology, 1050 Brussels, Belgium
- Structural Biology Brussels, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
| | - K Van Holsbeeck
- Research Group of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
| | - C Martin
- Research Group of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
| | - S Gonzalez
- CNRS, BioCIS, CY Cergy-Paris Université, 95000 Neuville sur Oise, France
| | - M Mannes
- Research Group of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
| | - E Pardon
- Microbial Resistance and Drug Discovery, VIB-VUB Center for Structural Biology, VIB, Flanders Institute for Biotechnology, 1050 Brussels, Belgium
- Structural Biology Brussels, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
| | - J Steyaert
- Microbial Resistance and Drug Discovery, VIB-VUB Center for Structural Biology, VIB, Flanders Institute for Biotechnology, 1050 Brussels, Belgium
- Structural Biology Brussels, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
| | - H Remaut
- Structural Biology Brussels, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
- Structural and Molecular Microbiology, Structural Biology Research Center, VIB, 1050 Brussels, Belgium
| | - S Ballet
- Research Group of Organic Chemistry, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
| | - C Van der Henst
- Microbial Resistance and Drug Discovery, VIB-VUB Center for Structural Biology, VIB, Flanders Institute for Biotechnology, 1050 Brussels, Belgium
- Structural Biology Brussels, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
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18
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Blades R, Ittner LM, Tietz O. Peptides for trans-blood-brain barrier delivery. J Labelled Comp Radiopharm 2023; 66:237-248. [PMID: 37002811 PMCID: PMC10952576 DOI: 10.1002/jlcr.4023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 03/02/2023] [Accepted: 03/29/2023] [Indexed: 04/03/2023]
Abstract
Trans-blood-brain barrier (BBB) delivery of therapeutic and diagnostic agents is a major challenge in the development of central nervous system (CNS) targeted radiopharmaceuticals. This review is an introduction to the use of peptides as delivery agents to transport cargos into the CNS. The most widely used BBB-penetrating peptides are reviewed here, with a particular emphasis on the broad range of cargos delivered into the CNS using these. Cell-penetrating peptides (CPPs) have been deployed as trans-BBB delivery agents for some time; new developments in the CPP field offer exciting opportunities for the design of next generation trans-BBB complexes. Many of the peptides highlighted here are ready to be combined with diagnostic and therapeutic radiopharmaceuticals to develop highly effective CNS-targeted agents.
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Affiliation(s)
- Reuben Blades
- Dementia Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human SciencesMacquarie UniversitySydneyNew South WalesAustralia
| | - Lars M. Ittner
- Dementia Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human SciencesMacquarie UniversitySydneyNew South WalesAustralia
| | - Ole Tietz
- Dementia Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human SciencesMacquarie UniversitySydneyNew South WalesAustralia
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Abstract
From the first clinical trial by Dr. W.F. Anderson to the most recent US Food and Drug Administration-approved Luxturna (Spark Therapeutics, 2017) and Zolgensma (Novartis, 2019), gene therapy has revamped thinking and practice around cancer treatment and improved survival rates for adult and pediatric patients with genetic diseases. A major challenge to advancing gene therapies for a broader array of applications lies in safely delivering nucleic acids to their intended sites of action. Peptides offer unique potential to improve nucleic acid delivery based on their versatile and tunable interactions with biomolecules and cells. Cell-penetrating peptides and intracellular targeting peptides have received particular focus due to their promise for improving the delivery of gene therapies into cells. We highlight key examples of peptide-assisted, targeted gene delivery to cancer-specific signatures involved in tumor growth and subcellular organelle-targeting peptides, as well as emerging strategies to enhance peptide stability and bioavailability that will support long-term implementation.
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Affiliation(s)
- Sandeep Urandur
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware, USA; ,
| | - Millicent O Sullivan
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware, USA; ,
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20
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Birch D, Sayers EJ, Christensen MV, Jones AT, Franzyk H, Nielsen HM. Stereoisomer-Dependent Membrane Association and Capacity for Insulin Delivery Facilitated by Penetratin. Pharmaceutics 2023; 15:1672. [PMID: 37376119 DOI: 10.3390/pharmaceutics15061672] [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: 03/16/2023] [Revised: 05/08/2023] [Accepted: 05/26/2023] [Indexed: 06/29/2023] Open
Abstract
Cell-penetrating peptides (CPPs), such as penetratin, are often investigated as drug delivery vectors and incorporating d-amino acids, rather than the natural l-forms, to enhance proteolytic stability could improve their delivery efficiency. The present study aimed to compare membrane association, cellular uptake, and delivery capacity for all-l and all-d enantiomers of penetratin (PEN) by using different cell models and cargos. The enantiomers displayed widely different distribution patterns in the examined cell models, and in Caco-2 cells, quenchable membrane binding was evident for d-PEN in addition to vesicular intracellular localization for both enantiomers. The uptake of insulin in Caco-2 cells was equally mediated by the two enantiomers, and while l-PEN did not increase the transepithelial permeation of any of the investigated cargo peptides, d-PEN increased the transepithelial delivery of vancomycin five-fold and approximately four-fold for insulin at an extracellular apical pH of 6.5. Overall, while d-PEN was associated with the plasma membrane to a larger extent and was superior in mediating the transepithelial delivery of hydrophilic peptide cargoes compared to l-PEN across Caco-2 epithelium, no enhanced delivery of the hydrophobic cyclosporin was observed, and intracellular insulin uptake was induced to a similar degree by the two enantiomers.
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Affiliation(s)
- Ditlev Birch
- Center for Biopharmaceuticals and Biobarriers in Drug Delivery (BioDelivery), Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
| | - Edward J Sayers
- Cardiff School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff CF10 3NB, UK
| | - Malene V Christensen
- Cancer and Infectious Diseases, Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
| | - Arwyn T Jones
- Cardiff School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff CF10 3NB, UK
| | - Henrik Franzyk
- Cancer and Infectious Diseases, Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
| | - Hanne M Nielsen
- Center for Biopharmaceuticals and Biobarriers in Drug Delivery (BioDelivery), Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
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21
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He X, Xiong S, Sun Y, Zhong M, Xiao N, Zhou Z, Wang T, Tang Y, Xie J. Recent Progress of Rational Modified Nanocarriers for Cytosolic Protein Delivery. Pharmaceutics 2023; 15:1610. [PMID: 37376059 DOI: 10.3390/pharmaceutics15061610] [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: 04/28/2023] [Revised: 05/21/2023] [Accepted: 05/26/2023] [Indexed: 06/29/2023] Open
Abstract
Therapeutic proteins garnered significant attention in the field of disease treatment. In comparison to small molecule drugs, protein therapies offer distinct advantages, including high potency, specificity, low toxicity, and reduced carcinogenicity, even at minimal concentrations. However, the full potential of protein therapy is limited by inherent challenges such as large molecular size, delicate tertiary structure, and poor membrane penetration, resulting in inefficient intracellular delivery into target cells. To address these challenges and enhance the clinical applications of protein therapies, various protein-loaded nanocarriers with tailored modifications were developed, including liposomes, exosomes, polymeric nanoparticles, and nanomotors. Despite these advancements, many of these strategies encounter significant issues such as entrapment within endosomes, leading to low therapeutic efficiency. In this review, we extensively discussed diverse strategies for the rational design of nanocarriers, aiming to overcome these limitations. Additionally, we presented a forward-looking viewpoint on the innovative generation of delivery systems specifically tailored for protein-based therapies. Our intention was to offer theoretical and technical support for the development and enhancement of nanocarriers capable of facilitating cytosolic protein delivery.
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Affiliation(s)
- Xiao He
- Chongqing Key Laboratory of Medicinal Chemistry and Molecular Pharmacology, Chongqing University of Technology, Chongqing 400054, China
- Center for Cell and Gene Circuit Design, CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Department of Geriatrics, The Shenzhen Hospital of Peking University, Shenzhen 518036, China
| | - Su Xiong
- Chongqing Key Laboratory of Medicinal Chemistry and Molecular Pharmacology, Chongqing University of Technology, Chongqing 400054, China
| | - Yansun Sun
- Department of Geriatrics, The Shenzhen Hospital of Peking University, Shenzhen 518036, China
| | - Min Zhong
- Chongqing Key Laboratory of Medicinal Chemistry and Molecular Pharmacology, Chongqing University of Technology, Chongqing 400054, China
| | - Nianting Xiao
- Chongqing Key Laboratory of Medicinal Chemistry and Molecular Pharmacology, Chongqing University of Technology, Chongqing 400054, China
| | - Ziwei Zhou
- Chongqing Key Laboratory of Medicinal Chemistry and Molecular Pharmacology, Chongqing University of Technology, Chongqing 400054, China
| | - Ting Wang
- Chongqing Key Laboratory of Medicinal Chemistry and Molecular Pharmacology, Chongqing University of Technology, Chongqing 400054, China
| | - Yaqin Tang
- Chongqing Key Laboratory of Medicinal Chemistry and Molecular Pharmacology, Chongqing University of Technology, Chongqing 400054, China
| | - Jing Xie
- Chongqing Key Laboratory of Medicinal Chemistry and Molecular Pharmacology, Chongqing University of Technology, Chongqing 400054, China
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22
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Song EC, Park C, Shin Y, Kim WK, Kim SB, Cho S. Neurog1-Derived Peptides RMNE1 and DualPep-Shine Penetrate the Skin and Inhibit Melanin Synthesis by Regulating MITF Transcription. Int J Mol Sci 2023; 24:ijms24076158. [PMID: 37047130 PMCID: PMC10094136 DOI: 10.3390/ijms24076158] [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: 03/10/2023] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 04/14/2023] Open
Abstract
Anti-pigmentation peptides have been developed as alternative skin-lightening agents to replace conventional chemicals that have adverse effects on the skin. However, the maximum size of these peptides is often limited by their low skin and cell penetration. To address this issue, we used our intra-dermal delivery technology (IDDT) platform to identify peptides with hypo-pigmenting and high cell-penetrating activity. Using our cell-penetrating peptides (CPPs) from the IDDT platform, we identified RMNE1 and its derivative RMNE3, "DualPep-Shine", which showed levels of α-Melanocyte stimulating hormone (α-MSH)-induced melanin inhibition comparable to the conventional tyrosinase inhibitor, Kojic acid. In addition, DualPep-Shine was delivered into the nucleus and regulated the gene expression levels of melanogenic enzymes by inhibiting the promoter activity of microphthalmia-associated transcription factor-M (MITF-M). Using a 3D human skin model, we found that DualPep-Shine penetrated the lower region of the epidermis and reduced the melanin content in a dose-dependent manner. Furthermore, DualPep-Shine showed high safety with little immunogenicity, indicating its potential as a novel cosmeceutical ingredient and anti-pigmentation therapeutic agent.
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Affiliation(s)
- Ee Chan Song
- Remedi Co., Ltd., Research Center, Incheon 21990, Republic of Korea
| | - Chanho Park
- Remedi Co., Ltd., Research Center, Incheon 21990, Republic of Korea
| | - Yungyeong Shin
- Remedi Co., Ltd., Research Center, Incheon 21990, Republic of Korea
| | - Wan Ki Kim
- Remedi Co., Ltd., Research Center, Incheon 21990, Republic of Korea
| | - Sang Bum Kim
- College of Pharmacy, Sahmyook University, Seoul 01795, Republic of Korea
| | - Seongmin Cho
- Remedi Co., Ltd., Research Center, Incheon 21990, Republic of Korea
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23
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Anselmo S, Sancataldo G, Baiamonte C, Pizzolanti G, Vetri V. Transportan 10 Induces Perturbation and Pores Formation in Giant Plasma Membrane Vesicles Derived from Cancer Liver Cells. Biomolecules 2023; 13:biom13030492. [PMID: 36979427 PMCID: PMC10046094 DOI: 10.3390/biom13030492] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/02/2023] [Accepted: 03/04/2023] [Indexed: 03/30/2023] Open
Abstract
Continuous progress has been made in the development of new molecules for therapeutic purposes. This is driven by the need to address several challenges such as molecular instability and biocompatibility, difficulties in crossing the plasma membrane, and the development of host resistance. In this context, cell-penetrating peptides (CPPs) constitute a promising tool for the development of new therapies due to their intrinsic ability to deliver therapeutic molecules to cells and tissues. These short peptides have gained increasing attention for applications in drug delivery as well as for their antimicrobial and anticancer activity but the general rules regulating the events involved in cellular uptake and in the following processes are still unclear. Here, we use fluorescence microscopy methods to analyze the interactions between the multifunctional peptide Transportan 10 (TP10) and the giant plasma membrane vesicles (GPMVs) derived from cancer cells. This aims to highlight the molecular mechanisms underlying functional interactions which bring its translocation across the membrane or cytotoxic mechanisms leading to membrane collapse and disruption. The Fluorescence Lifetime Imaging Microscopy (FLIM) method coupled with the phasor approach analysis proved to be the winning choice for following highly dynamic spatially heterogeneous events in real-time and highlighting aspects of such complex phenomena. Thanks to the presented approach, we were able to identify and monitor TP10 translocation into the lumen, internalization, and membrane-induced modifications depending on the peptide concentration regime.
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Affiliation(s)
- Sara Anselmo
- Dipartimento di Fisica e Chimica-Emilio Segré, Università degli Studi di Palermo, 90128 Palermo, Italy
| | - Giuseppe Sancataldo
- Dipartimento di Fisica e Chimica-Emilio Segré, Università degli Studi di Palermo, 90128 Palermo, Italy
| | - Concetta Baiamonte
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche, Università degli Studi di Palermo, 90128 Palermo, Italy
- AteN Center-Advanced Technologies Network Center, Università degli Studi di Palermo, 90128 Palermo, Italy
| | - Giuseppe Pizzolanti
- AteN Center-Advanced Technologies Network Center, Università degli Studi di Palermo, 90128 Palermo, Italy
- Dipartimento di Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", Università degli Studi di Palermo, 90127 Palermo, Italy
| | - Valeria Vetri
- Dipartimento di Fisica e Chimica-Emilio Segré, Università degli Studi di Palermo, 90128 Palermo, Italy
- AteN Center-Advanced Technologies Network Center, Università degli Studi di Palermo, 90128 Palermo, Italy
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24
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Morais KLP, Ciccone L, Stura E, Alvarez-Flores MP, Mourier G, Driessche MV, Sciani JM, Iqbal A, Kalil SP, Pereira GJ, Marques-Porto R, Cunegundes P, Juliano L, Servent D, Chudzinski-Tavassi AM. Structural and functional properties of the Kunitz-type and C-terminal domains of Amblyomin-X supporting its antitumor activity. Front Mol Biosci 2023; 10:1072751. [PMID: 36845546 PMCID: PMC9948614 DOI: 10.3389/fmolb.2023.1072751] [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: 10/17/2022] [Accepted: 01/12/2023] [Indexed: 02/11/2023] Open
Abstract
Amblyomin-X is a Kunitz-type FXa inhibitor identified through the transcriptome analysis of the salivary gland from Amblyomma sculptum tick. This protein consists of two domains of equivalent size, triggers apoptosis in different tumor cell lines, and promotes regression of tumor growth, and reduction of metastasis. To study the structural properties and functional roles of the N-terminal (N-ter) and C-terminal (C-ter) domains of Amblyomin-X, we synthesized them by solid-phase peptide synthesis, solved the X-Ray crystallographic structure of the N-ter domain, confirming its Kunitz-type signature, and studied their biological properties. We show here that the C-ter domain is responsible for the uptake of Amblyomin-X by tumor cells and highlight the ability of this domain to deliver intracellular cargo by the strong enhancement of the intracellular detection of molecules with low cellular-uptake efficiency (p15) after their coupling with the C-ter domain. In contrast, the N-ter Kunitz domain of Amblyomin-X is not capable of crossing through the cell membrane but is associated with tumor cell cytotoxicity when it is microinjected into the cells or fused to TAT cell-penetrating peptide. Additionally, we identify the minimum length C-terminal domain named F2C able to enter in the SK-MEL-28 cells and induces dynein chains gene expression modulation, a molecular motor that plays a role in the uptake and intracellular trafficking of Amblyomin-X.
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Affiliation(s)
- K. L. P. Morais
- Center of Excellence in New Target Discovery (CENTD), Butantan Institute, São Paulo, Brazil,Laboratory of Development and Innovation, Butantan Institute, São Paulo, Brazil,Department of Biochemistry, Federal University of São Paulo, São Paulo, Brazil
| | - L. Ciccone
- Département Médicaments et Technologies pour la Santé (DMTS), Université Paris-Saclay, CEA SIMoS, Gif-sur-Yvette, France,Department of Pharmacy, University of Pisa, Pisa, Italy
| | - E. Stura
- Département Médicaments et Technologies pour la Santé (DMTS), Université Paris-Saclay, CEA SIMoS, Gif-sur-Yvette, France
| | - M. P. Alvarez-Flores
- Center of Excellence in New Target Discovery (CENTD), Butantan Institute, São Paulo, Brazil
| | - G. Mourier
- Département Médicaments et Technologies pour la Santé (DMTS), Université Paris-Saclay, CEA SIMoS, Gif-sur-Yvette, France
| | - M. Vanden Driessche
- Département Médicaments et Technologies pour la Santé (DMTS), Université Paris-Saclay, CEA SIMoS, Gif-sur-Yvette, France
| | - J. M. Sciani
- Center of Excellence in New Target Discovery (CENTD), Butantan Institute, São Paulo, Brazil
| | - A. Iqbal
- Center of Excellence in New Target Discovery (CENTD), Butantan Institute, São Paulo, Brazil,Laboratory of Development and Innovation, Butantan Institute, São Paulo, Brazil
| | - S. P. Kalil
- Center of Excellence in New Target Discovery (CENTD), Butantan Institute, São Paulo, Brazil
| | - G. J. Pereira
- Department of Pharmacology, Federal University of São Paulo, São Paulo, Brazil
| | - R. Marques-Porto
- Laboratory of Development and Innovation, Butantan Institute, São Paulo, Brazil
| | - P. Cunegundes
- Center of Excellence in New Target Discovery (CENTD), Butantan Institute, São Paulo, Brazil,Department of Biochemistry, Federal University of São Paulo, São Paulo, Brazil
| | - L. Juliano
- Department of Biophysics, Federal University of São Paulo, São Paulo, Brazil
| | - D. Servent
- Département Médicaments et Technologies pour la Santé (DMTS), Université Paris-Saclay, CEA SIMoS, Gif-sur-Yvette, France,*Correspondence: D. Servent, ; A. M. Chudzinski-Tavassi,
| | - A. M. Chudzinski-Tavassi
- Center of Excellence in New Target Discovery (CENTD), Butantan Institute, São Paulo, Brazil,Laboratory of Development and Innovation, Butantan Institute, São Paulo, Brazil,*Correspondence: D. Servent, ; A. M. Chudzinski-Tavassi,
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25
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Choosing an Optimal Solvent Is Crucial for Obtaining Cell-Penetrating Peptide Nanoparticles with Desired Properties and High Activity in Nucleic Acid Delivery. Pharmaceutics 2023; 15:pharmaceutics15020396. [PMID: 36839718 PMCID: PMC9963036 DOI: 10.3390/pharmaceutics15020396] [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: 01/02/2023] [Revised: 01/16/2023] [Accepted: 01/19/2023] [Indexed: 01/27/2023] Open
Abstract
Cell-penetrating peptides (CPPs) are highly promising transfection agents that can deliver various compounds into living cells, including nucleic acids (NAs). Positively charged CPPs can form non-covalent complexes with negatively charged NAs, enabling simple and time-efficient nanoparticle preparation. However, as CPPs have substantially different chemical and physical properties, their complexation with the cargo and characteristics of the resulting nanoparticles largely depends on the properties of the surrounding environment, i.e., solution. Here, we show that the solvent used for the initial dissolving of a CPP determines the properties of the resulting CPP particles formed in an aqueous solution, including the activity and toxicity of the CPP-NA complexes. Using different biophysical methods such as dynamic light scattering (DLS), atomic force microscopy (AFM), transmission and scanning electron microscopy (TEM and SEM), we show that PepFect14 (PF14), a cationic amphipathic CPP, forms spherical particles of uniform size when dissolved in organic solvents, such as ethanol and DMSO. Water-dissolved PF14, however, tends to form micelles and non-uniform aggregates. When dissolved in organic solvents, PF14 retains its α-helical conformation and biological activity in cell culture conditions without any increase in cytotoxicity. Altogether, our results indicate that by using a solvent that matches the chemical nature of the CPP, the properties of the peptide-cargo particles can be tuned in the desired way. This can be of critical importance for in vivo applications, where CPP particles that are too large, non-uniform, or prone to aggregation may induce severe consequences.
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26
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Antiviral Peptide-Based Conjugates: State of the Art and Future Perspectives. Pharmaceutics 2023; 15:pharmaceutics15020357. [PMID: 36839679 PMCID: PMC9958607 DOI: 10.3390/pharmaceutics15020357] [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: 12/07/2022] [Revised: 01/16/2023] [Accepted: 01/17/2023] [Indexed: 01/24/2023] Open
Abstract
Infectious diseases caused by microbial pathogens (bacteria, virus, fungi, parasites) claim millions of deaths per year worldwide and have become a serious challenge to global human health in our century. Viral infections are particularly notable in this regard, not only because humankind is facing some of the deadliest viral pandemics in recent history, but also because the arsenal of drugs to combat the high levels of mutation, and hence the antigenic variability of (mostly RNA) viruses, is disturbingly scarce. Therefore, the search for new antivirals able to successfully fight infection with minimal or no adverse effects on the host is a pressing task. Traditionally, antiviral therapies have relied on relatively small-sized drugs acting as proteases, polymerases, integrase inhibitors, etc. In recent decades, novel approaches involving targeted delivery such as that achieved by peptide-drug conjugates (PDCs) have gained attention as alternative (pro)drugs for tackling viral diseases. Antiviral PDC therapeutics typically involve one or more small drug molecules conjugated to a cell-penetrating peptide (CPP) carrier either directly or through a linker. Such integration of two bioactive elements into a single molecular entity is primarily aimed at achieving improved bioavailability in conditions where conventional drugs are challenged, but may also turn up novel unexpected functionalities and applications. Advances in peptide medicinal chemistry have eased the way to antiviral PDCs, but challenges remain on the way to therapeutic success. In this paper, we review current antiviral CPP-drug conjugates (antiviral PDCs), with emphasis on the types of CPP and antiviral cargo. We integrate the conjugate and the chemical approaches most often applied to combine both entities. Additionally, we comment on various obstacles faced in the design of antiviral PDCs and on the future outlooks for this class of antiviral therapeutics.
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27
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Guo L, Wang J, Li N, Cui J, Su Y. Peptides for diagnosis and treatment of ovarian cancer. Front Oncol 2023; 13:1135523. [PMID: 37213272 PMCID: PMC10196167 DOI: 10.3389/fonc.2023.1135523] [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: 01/01/2023] [Accepted: 04/24/2023] [Indexed: 05/23/2023] Open
Abstract
Ovarian cancer is the most deadly gynecologic malignancy, and its incidence is gradually increasing. Despite improvements after treatment, the results are unsatisfactory and survival rates are relatively low. Therefore, early diagnosis and effective treatment remain two major challenges. Peptides have received significant attention in the search for new diagnostic and therapeutic approaches. Radiolabeled peptides specifically bind to cancer cell surface receptors for diagnostic purposes, while differential peptides in bodily fluids can also be used as new diagnostic markers. In terms of treatment, peptides can exert cytotoxic effects directly or act as ligands for targeted drug delivery. Peptide-based vaccines are an effective approach for tumor immunotherapy and have achieved clinical benefit. In addition, several advantages of peptides, such as specific targeting, low immunogenicity, ease of synthesis and high biosafety, make peptides attractive alternative tools for the diagnosis and treatment of cancer, particularly ovarian cancer. In this review, we focus on the recent research progress regarding peptides in the diagnosis and treatment of ovarian cancer, and their potential applications in the clinical setting.
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28
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Cruz GS, dos Santos AT, de Brito EHS, Rádis-Baptista G. Cell-Penetrating Antimicrobial Peptides with Anti-Infective Activity against Intracellular Pathogens. Antibiotics (Basel) 2022; 11:antibiotics11121772. [PMID: 36551429 PMCID: PMC9774436 DOI: 10.3390/antibiotics11121772] [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: 11/15/2022] [Revised: 11/29/2022] [Accepted: 12/01/2022] [Indexed: 12/13/2022] Open
Abstract
Cell-penetrating peptides (CPPs) are natural or engineered peptide sequences with the intrinsic ability to internalize into a diversity of cell types and simultaneously transport hydrophilic molecules and nanomaterials, of which the cellular uptake is often limited. In addition to this primordial activity of cell penetration without membrane disruption, multivalent antimicrobial activity accompanies some CPPs. Antimicrobial peptides (AMPs) with cell-penetrability exert their effect intracellularly, and they are of great interest. CPPs with antimicrobial activity (CPAPs) comprise a particular class of bioactive peptides that arise as promising agents against difficult-to-treat intracellular infections. This short review aims to present the antibacterial, antiparasitic, and antiviral effects of various cell-penetrating antimicrobial peptides currently documented. Examples include the antimicrobial effects of different CPAPs against bacteria that can propagate intracellularly, like Staphylococcus sp., Streptococcus sp., Chlamydia trachomatis, Escherichia coli, Mycobacterium sp., Listeria sp., Salmonella sp. among others. CPAPs with antiviral effects that interfere with the intracellular replication of HIV, hepatitis B, HPV, and herpes virus. Additionally, CPAPs with activity against protozoa of the genera Leishmania, Trypanosoma, and Plasmodium, the etiological agents of Leishmaniasis, Chagas' Disease, and Malaria, respectively. The information provided in this review emphasizes the potential of multivalent CPAPs, with anti-infective properties for application against various intracellular infections. So far, CPAPs bear a promise of druggability for the translational medical use of CPPs alone or in combination with chemotherapeutics. Moreover, CPAPs could be an exciting alternative for pharmaceutical design and treating intracellular infectious diseases.
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Affiliation(s)
- Gabriela Silva Cruz
- Postgraduate Program in Pharmaceutical Sciences, Faculty of Pharmacy, Dentistry, and Nursing, Federal University of Ceara, Fortaleza 60416-030, Brazil
- Laboratory of Biochemistry and Biotechnology, Institute for Marine Sciences, Federal University of Ceara, Fortaleza 60165-081, Brazil
| | - Ariane Teixeira dos Santos
- Postgraduate Program in Pharmaceutical Sciences, Faculty of Pharmacy, Dentistry, and Nursing, Federal University of Ceara, Fortaleza 60416-030, Brazil
- Laboratory of Biochemistry and Biotechnology, Institute for Marine Sciences, Federal University of Ceara, Fortaleza 60165-081, Brazil
| | - Erika Helena Salles de Brito
- Microbiology Laboratory, Institute of Health Sciences, University of International Integration of the Afro-Brazilian Lusophony, Redenção 62790-970, Brazil
| | - Gandhi Rádis-Baptista
- Postgraduate Program in Pharmaceutical Sciences, Faculty of Pharmacy, Dentistry, and Nursing, Federal University of Ceara, Fortaleza 60416-030, Brazil
- Laboratory of Biochemistry and Biotechnology, Institute for Marine Sciences, Federal University of Ceara, Fortaleza 60165-081, Brazil
- Correspondence: ; Tel.: +55-85-3366-7001
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29
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Hasannejad-Asl B, Pooresmaeil F, Takamoli S, Dabiri M, Bolhassani A. Cell penetrating peptide: A potent delivery system in vaccine development. Front Pharmacol 2022; 13:1072685. [PMID: 36425579 PMCID: PMC9679422 DOI: 10.3389/fphar.2022.1072685] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 10/31/2022] [Indexed: 07/28/2023] Open
Abstract
One of the main obstacles to most medication administrations (such as the vaccine constructs) is the cellular membrane's inadequate permeability, which reduces their efficiency. Cell-penetrating peptides (CPPs) or protein transduction domains (PTDs) are well-known as potent biological nanocarriers to overcome this natural barrier, and to deliver membrane-impermeable substances into cells. The physicochemical properties of CPPs, the attached cargo, concentration, and cell type substantially influence the internalization mechanism. Although the exact mechanism of cellular uptake and the following processing of CPPs are still uncertain; but however, they can facilitate intracellular transfer through both endocytic and non-endocytic pathways. Improved endosomal escape efficiency, selective cell targeting, and improved uptake, processing, and presentation of antigen by antigen-presenting cells (APCs) have been reported by CPPs. Different in vitro and in vivo investigations using CPP conjugates show their potential as therapeutic agents in various medical areas such as infectious and non-infectious disorders. Effective treatments for a variety of diseases may be provided by vaccines that can cooperatively stimulate T cell-mediated immunity (T helper cell activity or cytotoxic T cell function), and immunologic memory. Delivery of antigen epitopes to APCs, and generation of a potent immune response is essential for an efficacious vaccine that can be facilitated by CPPs. The current review describes the delivery of numerous vaccine components by various CPPs and their immunostimulatory properties.
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Affiliation(s)
- Behnam Hasannejad-Asl
- Department of Hepatitis and AIDS, Pasteur Institute of Iran, Tehran, Iran
- Department of Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti, University of Medical Sciences, Tehran, Iran
| | - Farkhondeh Pooresmaeil
- Department of Hepatitis and AIDS, Pasteur Institute of Iran, Tehran, Iran
- Department of Medical Biotechnology, School of Allied Medicine, Iran University of Medical Science, Tehran, Iran
| | - Shahla Takamoli
- Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran
| | - Mehran Dabiri
- Department of Theriogenology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Azam Bolhassani
- Department of Hepatitis and AIDS, Pasteur Institute of Iran, Tehran, Iran
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30
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Porosk L, Langel Ü. Approaches for evaluation of novel CPP-based cargo delivery systems. Front Pharmacol 2022; 13:1056467. [PMID: 36339538 PMCID: PMC9634181 DOI: 10.3389/fphar.2022.1056467] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 10/10/2022] [Indexed: 08/05/2023] Open
Abstract
Cell penetrating peptides (CPPs) can be broadly defined as relatively short synthetic, protein derived or chimeric peptides. Their most remarkable property is their ability to cross cell barriers and facilitate the translocation of cargo, such as drugs, nucleic acids, peptides, small molecules, dyes, and many others across the plasma membrane. Over the years there have been several approaches used, adapted, and developed for the evaluation of CPP efficacies as delivery systems, with the fluorophore attachment as the most widely used approach. It has become progressively evident, that the evaluation method, in order to lead to successful outcome, should concede with the specialties of the delivery. For characterization and assessment of CPP-cargo a combination of research tools of chemistry, physics, molecular biology, engineering, and other fields have been applied. In this review, we summarize the diverse, in silico, in vitro and in vivo approaches used for evaluation and characterization of CPP-based cargo delivery systems.
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Affiliation(s)
- Ly Porosk
- Laboratory of Drug Delivery, Institute of Technology, Faculty of Science and Technology, University of Tartu, Tartu, Estonia
| | - Ülo Langel
- Laboratory of Drug Delivery, Institute of Technology, Faculty of Science and Technology, University of Tartu, Tartu, Estonia
- Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden
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31
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Novel Pharmaceutical Strategies for Enhancing Skin Penetration of Biomacromolecules. Pharmaceuticals (Basel) 2022; 15:ph15070877. [PMID: 35890174 PMCID: PMC9317023 DOI: 10.3390/ph15070877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 07/12/2022] [Accepted: 07/12/2022] [Indexed: 11/23/2022] Open
Abstract
Skin delivery of biomacromolecules holds great advantages in the systemic and local treatment of multiple diseases. However, the densely packed stratum corneum and the tight junctions between keratinocytes stand as formidable skin barriers against the penetration of most drug molecules. The large molecular weight, high hydrophilicity, and lability nature of biomacromolecules pose further challenges to their skin penetration. Recently, novel penetration enhancers, nano vesicles, and microneedles have emerged as efficient strategies to deliver biomacromolecules deep into the skin to exert their therapeutic action. This paper reviews the potential application and mechanisms of novel skin delivery strategies with emphasis on the pharmaceutical formulations.
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32
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de Santana CJC, Pires Júnior OR, Fontes W, Palma MS, Castro MS. Mastoparans: A Group of Multifunctional α-Helical Peptides With Promising Therapeutic Properties. Front Mol Biosci 2022; 9:824989. [PMID: 35813822 PMCID: PMC9263278 DOI: 10.3389/fmolb.2022.824989] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 03/15/2022] [Indexed: 11/13/2022] Open
Abstract
Biologically active peptides have been attracting increasing attention, whether to improve the understanding of their mechanisms of action or in the search for new therapeutic drugs. Wasp venoms have been explored as a remarkable source for these molecules. In this review, the main findings on the group of wasp linear cationic α-helical peptides called mastoparans were discussed. These compounds have a wide variety of biological effects, including mast cell degranulation, activation of protein G, phospholipase A2, C, and D activation, serotonin and insulin release, and antimicrobial, hemolytic, and anticancer activities, which could lead to the development of new therapeutic agents.
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Affiliation(s)
- Carlos José Correia de Santana
- Laboratory of Toxinology, Department of Physiological Sciences, Institute of Biological Sciences, University of Brasília, Brasília, Brazil
- Laboratory of Protein Chemistry and Biochemistry, Department of Cell Biology, Institute of Biological Sciences, University of Brasília, Brasília, Brazil
| | - Osmindo Rodrigues Pires Júnior
- Laboratory of Toxinology, Department of Physiological Sciences, Institute of Biological Sciences, University of Brasília, Brasília, Brazil
| | - Wagner Fontes
- Laboratory of Protein Chemistry and Biochemistry, Department of Cell Biology, Institute of Biological Sciences, University of Brasília, Brasília, Brazil
| | - Mário Sérgio Palma
- Department of Basic and Applied Biology, Institute of Biosciences of Rio Claro, São Paulo State University, UNESP, Rio Claro, Brazil
| | - Mariana S. Castro
- Laboratory of Toxinology, Department of Physiological Sciences, Institute of Biological Sciences, University of Brasília, Brasília, Brazil
- Laboratory of Protein Chemistry and Biochemistry, Department of Cell Biology, Institute of Biological Sciences, University of Brasília, Brasília, Brazil
- *Correspondence: Mariana S. Castro,
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Nguyen-Ho-Bao T, Ambe LA, Berberich M, Hermosilla C, Taubert A, Daugschies A, Kamena F. Octaarginine Improves the Efficacy of Nitazoxanide against Cryptosporidium parvum. Pathogens 2022; 11:pathogens11060653. [PMID: 35745507 PMCID: PMC9227457 DOI: 10.3390/pathogens11060653] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 05/31/2022] [Accepted: 06/01/2022] [Indexed: 02/04/2023] Open
Abstract
Cryptosporidiosis is an intestinal disease that affects a variety of hosts including animals and humans. Since no vaccines exist against the disease till date, drug treatment is the mainstay of disease control. Nitazoxanide (NTZ) is the only FDA-approved drug for the treatment of human cryptosporidiosis. However, its efficacy in immunocompromised people such as those with AIDS, in malnourished children, or those with concomitant cryptosporidiosis is limited. In the absence of effective drugs against cryptosporidiosis, improving the efficacy of existing drugs may offer an attractive alternative. In the present work, we have assessed the potential of the cell-penetrating peptide (CPP) octaarginine (R8) to increase the uptake of NTZ. Octaarginine (R8) was synthetically attached to NTZ in an enzymatically releasable manner and used to inhibit growth of Cryptosporidium parvum in an in vitro culture system using human ileocecal adenocarcinoma (HCT-8) cell line. We observed a significant concentration-dependent increase in drug efficacy. We conclude that coupling of octaarginine to NTZ is beneficial for drug activity and it represents an attractive strategy to widen the repertoire of anti-cryptosporidial therapeutics. Further investigations such as in vivo studies with the conjugate drug will help to further characterize this strategy for the treatment of cryptosporidiosis.
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Affiliation(s)
- Tran Nguyen-Ho-Bao
- Centre for Infectious Medicine, Institute of Parasitology, Faculty of Veterinary Medicine, University of Leipzig, 04103 Leipzig, Germany; (T.N.-H.-B.); (M.B.); (A.D.)
- Department of Veterinary Medicine, College of Agriculture, Can Tho University, Can Tho 900000, Vietnam
| | - Lum A. Ambe
- Laboratory for Molecular Parasitology, Department of Microbiology and Parasitology, University of Buea, Buea P.O. Box 63, Cameroon;
- Centre for Research on Health and Priority Pathologies, Institute of Medical Research and Medicinal Plants Studies (IMPM), Yaoundé P.O Box 13033, Cameroon
| | - Maxi Berberich
- Centre for Infectious Medicine, Institute of Parasitology, Faculty of Veterinary Medicine, University of Leipzig, 04103 Leipzig, Germany; (T.N.-H.-B.); (M.B.); (A.D.)
| | - Carlos Hermosilla
- Biomedical Research Center Seltersberg (BFS), Institute of Parasitology, Justus Liebig University Giessen, 35392 Giessen, Germany; (C.H.); (A.T.)
| | - Anja Taubert
- Biomedical Research Center Seltersberg (BFS), Institute of Parasitology, Justus Liebig University Giessen, 35392 Giessen, Germany; (C.H.); (A.T.)
| | - Arwid Daugschies
- Centre for Infectious Medicine, Institute of Parasitology, Faculty of Veterinary Medicine, University of Leipzig, 04103 Leipzig, Germany; (T.N.-H.-B.); (M.B.); (A.D.)
| | - Faustin Kamena
- Centre for Infectious Medicine, Institute of Parasitology, Faculty of Veterinary Medicine, University of Leipzig, 04103 Leipzig, Germany; (T.N.-H.-B.); (M.B.); (A.D.)
- Laboratory for Molecular Parasitology, Department of Microbiology and Parasitology, University of Buea, Buea P.O. Box 63, Cameroon;
- Correspondence: ; Tel.: +237-690533718
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Curcumin Displays Enhanced Solubility and Antibacterial Activities When Complexed with the Cell Penetrating Peptide pVEC. Int J Pept Res Ther 2022. [DOI: 10.1007/s10989-022-10415-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Liu Y, Zhao Z, Li M. Overcoming the cellular barriers and beyond: Recent progress on cell penetrating peptide modified nanomedicine in combating physiological and pathological barriers. Asian J Pharm Sci 2022; 17:523-543. [PMID: 36105313 PMCID: PMC9458999 DOI: 10.1016/j.ajps.2022.05.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 04/28/2022] [Accepted: 05/23/2022] [Indexed: 11/29/2022] Open
Abstract
The complex physiological and pathological conditions form barriers against efficient drug delivery. Cell penetrating peptides (CPPs), a class of short peptides which translocate drugs across cell membranes with various mechanisms, provide feasible solutions for efficient delivery of biologically active agents to circumvent biological barriers. After years of development, the function of CPPs is beyond cell penetrating. Multifunctional CPPs with bioactivity or active targeting capacity have been designed and successfully utilized in delivery of various cargoes against tumor, myocardial ischemia, ocular posterior segment disorders, etc. In this review, we summarize recent progress in CPP-functionalized nano-drug delivery systems to overcome the physiological and pathological barriers for the applications in cardiology, ophtalmology, mucus, neurology and cancer, etc. We also highlight the prospect of clinical translation of CPP-functionalized drug delivery systems in these areas.
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Affiliation(s)
- Yingke Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Zhihe Zhao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Corresponding authors.
| | - Man Li
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
- Corresponding authors.
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Tong S, Darwish S, Ariani HHN, Lozada KA, Salehi D, Cinelli MA, Silverman RB, Kaur K, Yang S. A Small Peptide Increases Drug Delivery in Human Melanoma Cells. Pharmaceutics 2022; 14:1036. [PMID: 35631623 PMCID: PMC9145755 DOI: 10.3390/pharmaceutics14051036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/06/2022] [Accepted: 05/10/2022] [Indexed: 02/04/2023] Open
Abstract
Melanoma is the most fatal type of skin cancer and is notoriously resistant to chemotherapies. The response of melanoma to current treatments is difficult to predict. To combat these challenges, in this study, we utilize a small peptide to increase drug delivery to melanoma cells. A peptide library array was designed and screened using a peptide array-whole cell binding assay, which identified KK-11 as a novel human melanoma-targeting peptide. The peptide and its D-amino acid substituted analogue (VPWxEPAYQrFL or D-aa KK-11) were synthesized via a solid-phase strategy. Further studies using FITC-labeled KK-11 demonstrated dose-dependent uptake in human melanoma cells. D-aa KK-11 significantly increased the stability of the peptide, with 45.3% remaining detectable after 24 h with human serum incubation. Co-treatment of KK-11 with doxorubicin was found to significantly enhance the cytotoxicity of doxorubicin compared to doxorubicin alone, or sequential KK-11 and doxorubicin treatment. In vivo and ex vivo imaging revealed that D-aa KK-11 distributed to xenografted A375 melanoma tumors as early as 5 min and persisted up to 24 h post tail vein injection. When co-administered, D-aa KK-11 significantly enhanced the anti-tumor activity of a novel nNOS inhibitor (MAC-3-190) in an A375 human melanoma xenograft mouse model compared to MAC-3-190 treatment alone. No apparent systemic toxicities were observed. Taken together, these results suggest that KK-11 may be a promising human melanoma-targeted delivery vector for anti-melanoma cargo.
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Affiliation(s)
- Shirley Tong
- Department of Pharmacy Practice, Chapman University School of Pharmacy, Irvine, CA 92618, USA; (S.T.); (K.A.L.)
| | - Shaban Darwish
- Department of Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, Irvine, CA 92618, USA; (S.D.); (H.H.N.A.); (D.S.)
| | - Hanieh Hossein Nejad Ariani
- Department of Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, Irvine, CA 92618, USA; (S.D.); (H.H.N.A.); (D.S.)
| | - Kate Alison Lozada
- Department of Pharmacy Practice, Chapman University School of Pharmacy, Irvine, CA 92618, USA; (S.T.); (K.A.L.)
| | - David Salehi
- Department of Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, Irvine, CA 92618, USA; (S.D.); (H.H.N.A.); (D.S.)
| | - Maris A. Cinelli
- Center for Developmental Therapeutics, Department of Chemistry, Department of Molecular Biosciences, Chemistry of Life Processes Institute, Northwestern University, Evanston, IL 60208, USA; (M.A.C.); (R.B.S.)
| | - Richard B. Silverman
- Center for Developmental Therapeutics, Department of Chemistry, Department of Molecular Biosciences, Chemistry of Life Processes Institute, Northwestern University, Evanston, IL 60208, USA; (M.A.C.); (R.B.S.)
- Department of Pharmacology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Kamaljit Kaur
- Department of Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, Irvine, CA 92618, USA; (S.D.); (H.H.N.A.); (D.S.)
| | - Sun Yang
- Department of Pharmacy Practice, Chapman University School of Pharmacy, Irvine, CA 92618, USA; (S.T.); (K.A.L.)
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Hymel HC, Rahnama A, Sanchez OM, Liu D, Gauthier TJ, Melvin AT. How Cargo Identity Alters the Uptake of Cell-Penetrating Peptide (CPP)/Cargo Complexes: A Study on the Effect of Net Cargo Charge and Length. Cells 2022; 11:cells11071195. [PMID: 35406759 PMCID: PMC8997848 DOI: 10.3390/cells11071195] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 03/25/2022] [Accepted: 03/30/2022] [Indexed: 01/27/2023] Open
Abstract
Cell-penetrating peptides (CPPs) have emerged as a powerful tool for the delivery of otherwise impermeable cargoes into intact cells. Recent efforts to improve the delivery capability of peptides have mainly focused on the identity of the CPP; however, there is evidence that the identity of the cargo itself affects the uptake. The goal of this work was to investigate how the characteristics of a peptide cargo, including net charge and length, either enhance or diminish the internalization efficiency of the CPP/cargo complex. A small library of CPP/cargo complexes were synthesized consisting of structured and unstructured CPPs with cargoes of net positive, negative, or neutral charge and lengths of 4 or 8 amino acids. Cargoes with a net positive charge were found to enhance the overall uptake of the complexes while net neutral and negatively charged cargoes diminished uptake. Conversely, the net length of the cargo had no significant effect on uptake of the CPP/cargo complexes. Microcopy images confirmed the increased uptake of the positively charged cargoes; however, an increase in punctate regions with the addition of a cargo was also observed. The effects of the net positively charged cargoes were confirmed with both structured and unstructured CPPs, which demonstrated similar trends of an increase in uptake with the addition of positively charged residues. These findings demonstrate that the net charge of cargoes impacts the uptake of the complex, which can be considered in the future when designing peptide-based reporters or therapeutics.
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Affiliation(s)
- Hannah C. Hymel
- Cain Department of Chemical Engineering, Louisiana State University, Baton Rouge, LA 70803, USA; (H.C.H.); (A.R.); (O.M.S.)
| | - Alireza Rahnama
- Cain Department of Chemical Engineering, Louisiana State University, Baton Rouge, LA 70803, USA; (H.C.H.); (A.R.); (O.M.S.)
| | - Olivia M. Sanchez
- Cain Department of Chemical Engineering, Louisiana State University, Baton Rouge, LA 70803, USA; (H.C.H.); (A.R.); (O.M.S.)
| | - Dong Liu
- LSU AgCenter Biotechnology Laboratory, Louisiana State University, Baton Rouge, LA 70803, USA; (D.L.); (T.J.G.)
| | - Ted J. Gauthier
- LSU AgCenter Biotechnology Laboratory, Louisiana State University, Baton Rouge, LA 70803, USA; (D.L.); (T.J.G.)
| | - Adam T. Melvin
- Cain Department of Chemical Engineering, Louisiana State University, Baton Rouge, LA 70803, USA; (H.C.H.); (A.R.); (O.M.S.)
- Correspondence:
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38
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Samec T, Boulos J, Gilmore S, Hazelton A, Alexander-Bryant A. Peptide-based delivery of therapeutics in cancer treatment. Mater Today Bio 2022; 14:100248. [PMID: 35434595 PMCID: PMC9010702 DOI: 10.1016/j.mtbio.2022.100248] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 03/14/2022] [Accepted: 03/27/2022] [Indexed: 11/09/2022] Open
Abstract
Current delivery strategies for cancer therapeutics commonly cause significant systemic side effects due to required high doses of therapeutic, inefficient cellular uptake of drug, and poor cell selectivity. Peptide-based delivery systems have shown the ability to alleviate these issues and can significantly enhance therapeutic loading, delivery, and cancer targetability. Peptide systems can be tailor-made for specific cancer applications. This review describes three peptide classes, targeting, cell penetrating, and fusogenic peptides, as stand-alone nanoparticle systems, conjugations to nanoparticle systems, or as the therapeutic modality. Peptide nanoparticle design, characteristics, and applications are discussed as well as peptide applications in the clinical space.
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Affiliation(s)
- Timothy Samec
- Nanobiotechnology Laboratory, Clemson University, Department of Bioengineering, Clemson, SC, USA
| | - Jessica Boulos
- Nanobiotechnology Laboratory, Clemson University, Department of Bioengineering, Clemson, SC, USA
| | - Serena Gilmore
- Nanobiotechnology Laboratory, Clemson University, Department of Bioengineering, Clemson, SC, USA
| | - Anthony Hazelton
- Nanobiotechnology Laboratory, Clemson University, Department of Bioengineering, Clemson, SC, USA
| | - Angela Alexander-Bryant
- Nanobiotechnology Laboratory, Clemson University, Department of Bioengineering, Clemson, SC, USA
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39
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Lee J, Rhee YS. Ophthalmic dosage forms for drug delivery to posterior segment. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2022. [DOI: 10.1007/s40005-021-00554-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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40
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Blum AP, Yin J, Lin HH, Oliver BA, Kammeyer JK, Thompson MP, Gilson MK, Gianneschi NC. Stimuli Induced Uptake of Protein-Like Peptide Brush Polymers. Chemistry 2022; 28:e202103438. [PMID: 34811828 PMCID: PMC8861929 DOI: 10.1002/chem.202103438] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Indexed: 01/26/2023]
Abstract
Recently, we presented a strategy for packaging peptides as side-chains in high-density brush polymers. For this globular protein-like polymer (PLP) formulation, therapeutic peptides were shown to resist proteolytic degradation, enter cells efficiently and maintain biological function. In this paper, we establish the role charge plays in dictating the cellular uptake of these peptide formulations, finding that peptides with a net positive charge will enter cells when polymerized, while those formed from anionic or neutral peptides remain outside of cells. Given these findings, we explored whether cellular uptake could be selectively induced by a stimulus. In our design, a cationic peptide is appended to a sequence of charge-neutralizing anionic amino acids through stimuli-responsive cleavable linkers. As a proof-of-concept study, we tested this strategy with two different classes of stimuli, exogenous UV light and an enzyme (a matrix metalloproteinase) associated with the inflammatory response. The key finding is that these materials enter cells only when acted upon by the stimulus. This approach makes it possible to achieve delivery of the polymers, therapeutic peptides or an appended cargo into cells in response to an appropriate stimulus.
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Affiliation(s)
- Angela P Blum
- Department of Chemistry & Biochemistry, University of California San Diego, 9500 Gilman Drive, CA, 92093, La Jolla, United States
- Department of Chemistry, Hamilton College, 198 College Hill Road, NY 13323, Clinton, United States
| | - Jian Yin
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, 9500 Gilman Drive, CA, 92093, La Jolla, United States
| | - Helen H Lin
- Department of Chemistry, Hamilton College, 198 College Hill Road, NY 13323, Clinton, United States
| | - Blayne A Oliver
- Department of Chemistry, Hamilton College, 198 College Hill Road, NY 13323, Clinton, United States
| | - Jacquelin K Kammeyer
- Department of Chemistry & Biochemistry, University of California San Diego, 9500 Gilman Drive, CA, 92093, La Jolla, United States
| | - Matthew P Thompson
- Department of Chemistry, Department of Materials Science & Engineering, Department of Biomedical Engineering, Department of Medicine, Department of Pharmacology, International Institute of Nanotechnology, Chemistry of Life Processes Institute, Northwestern University, 633 Clark St., IL, 60208, Evanston, United States
| | - Michael K Gilson
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, 9500 Gilman Drive, CA, 92093, La Jolla, United States
| | - Nathan C Gianneschi
- Department of Chemistry, Department of Materials Science & Engineering, Department of Biomedical Engineering, Department of Medicine, Department of Pharmacology, International Institute of Nanotechnology, Chemistry of Life Processes Institute, Northwestern University, 633 Clark St., IL, 60208, Evanston, United States
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Luchinat E, Cremonini M, Banci L. Radio Signals from Live Cells: The Coming of Age of In-Cell Solution NMR. Chem Rev 2022; 122:9267-9306. [PMID: 35061391 PMCID: PMC9136931 DOI: 10.1021/acs.chemrev.1c00790] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
![]()
A detailed knowledge
of the complex processes that make cells and
organisms alive is fundamental in order to understand diseases and
to develop novel drugs and therapeutic treatments. To this aim, biological
macromolecules should ideally be characterized at atomic resolution
directly within the cellular environment. Among the existing structural
techniques, solution NMR stands out as the only one able to investigate
at high resolution the structure and dynamic behavior of macromolecules
directly in living cells. With the advent of more sensitive NMR hardware
and new biotechnological tools, modern in-cell NMR approaches have
been established since the early 2000s. At the coming of age of in-cell
NMR, we provide a detailed overview of its developments and applications
in the 20 years that followed its inception. We review the existing
approaches for cell sample preparation and isotopic labeling, the
application of in-cell NMR to important biological questions, and
the development of NMR bioreactor devices, which greatly increase
the lifetime of the cells allowing real-time monitoring of intracellular
metabolites and proteins. Finally, we share our thoughts on the future
perspectives of the in-cell NMR methodology.
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Affiliation(s)
- Enrico Luchinat
- Dipartimento di Scienze e Tecnologie Agro-Alimentari, Alma Mater Studiorum−Università di Bologna, Piazza Goidanich 60, 47521 Cesena, Italy
- Magnetic Resonance Center, Università degli Studi di Firenze, Via Luigi Sacconi 6, 50019 Sesto Fiorentino, Italy
| | - Matteo Cremonini
- Magnetic Resonance Center, Università degli Studi di Firenze, Via Luigi Sacconi 6, 50019 Sesto Fiorentino, Italy
| | - Lucia Banci
- Magnetic Resonance Center, Università degli Studi di Firenze, Via Luigi Sacconi 6, 50019 Sesto Fiorentino, Italy
- Consorzio Interuniversitario Risonanze Magnetiche di Metallo Proteine, Via Luigi Sacconi 6, 50019 Sesto Fiorentino, Italy
- Dipartimento di Chimica, Università degli Studi di Firenze, Via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
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42
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Zhang H, Chen S. Cyclic peptide drugs approved in the last two decades (2001-2021). RSC Chem Biol 2022; 3:18-31. [PMID: 35128405 PMCID: PMC8729179 DOI: 10.1039/d1cb00154j] [Citation(s) in RCA: 109] [Impact Index Per Article: 54.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 11/05/2021] [Indexed: 01/01/2023] Open
Abstract
In contrast to the major families of small molecules and antibodies, cyclic peptides, as a family of synthesizable macromolecules, have distinct biochemical and therapeutic properties for pharmaceutical applications. Cyclic peptide-based drugs have increasingly been developed in the past two decades, confirming the common perception that cyclic peptides have high binding affinities and low metabolic toxicity as antibodies, good stability and ease of manufacture as small molecules. Natural peptides were the major source of cyclic peptide drugs in the last century, and cyclic peptides derived from novel screening and cyclization strategies are the new source. In this review, we will discuss and summarize 18 cyclic peptides approved for clinical use in the past two decades to provide a better understanding of cyclic peptide development and to inspire new perspectives. The purpose of the present review is to promote efforts to resolve the challenges in the development of cyclic peptide drugs that are more effective.
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Affiliation(s)
- Huiya Zhang
- Biotech Drug Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203 China
| | - Shiyu Chen
- Biotech Drug Research Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai 201203 China
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Rusiecka I, Gągało I, Kocić I. Cell-penetrating peptides improve pharmacokinetics and pharmacodynamics of anticancer drugs. Tissue Barriers 2022; 10:1965418. [PMID: 34402743 PMCID: PMC8794253 DOI: 10.1080/21688370.2021.1965418] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Revised: 08/01/2021] [Accepted: 08/02/2021] [Indexed: 10/20/2022] Open
Abstract
This review concentrates on the research concerning conjugates of anticancer drugs with versatile cell-penetrating peptides (CPPs). For a better insight into the relationship between the components of the constructs, it starts with the characteristic of the peptides and considers its following aspects: mechanisms of cellular internalization, interaction with cancer-modified membranes, selectivity against tumor tissue. Also, CPPs with anticancer activity have been distinguished and summarized with their mechanisms of action. With respect to the conjugates, the preclinical studies (in vitro, in vivo) indicated that they possess several merits in comparison to the parent drugs. They concerned not only better cellular internalization but also other improvements in pharmacokinetics (e.g. access to the brain tissue) and pharmacodynamics (e.g. overcoming drug resistance). The anticancer activity of the conjugates was usually superior to that of the unconjugated drug. Certain anticancer CPPs and conjugates entered clinical trials.
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Affiliation(s)
- Izabela Rusiecka
- Department of Pharmacology, Medical University of Gdansk, Gdansk, Poland
| | - Iwona Gągało
- Department of Pharmacology, Medical University of Gdansk, Gdansk, Poland
| | - Ivan Kocić
- Department of Pharmacology, Medical University of Gdansk, Gdansk, Poland
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Panou DA, Diedrichsen RG, Kristensen M, Nielsen HM. Cell-Penetrating Peptides as Carriers for Transepithelial Drug Delivery. Methods Mol Biol 2022; 2383:371-384. [PMID: 34766302 DOI: 10.1007/978-1-0716-1752-6_24] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
This chapter describes the use of cell-penetrating peptides (CPPs) as carriers for transepithelial delivery of therapeutic peptides. Assessment of transepithelial peptide permeation and the mechanisms of action that permeability enhancing drug carriers exert on the epithelium requires subtle sample preparation and analysis by orthogonal methods. Here, the preparation and use of CPP-insulin physical mixture samples including the quantification of insulin by enzyme-linked immunosorbent assay (ELISA) is described. In addition, effects of CPPs on the epithelium and its barrier properties immediately upon exposure and after a recovery period are evaluated by epithelial cell viability, transepithelial electrical resistance, immunostaining of the tight junction associated zonula occludens (ZO-1) protein, and actin cytoskeleton staining.
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Affiliation(s)
- Danai Anastasia Panou
- Center for Biopharmaceuticals and Biobarriers in Drug Delivery, Drug Delivery and Biophysics of Biopharmaceuticals, Department of Pharmacy, University of Copenhagen, Copenhagen, Denmark
| | - Ragna Guldsmed Diedrichsen
- Center for Biopharmaceuticals and Biobarriers in Drug Delivery, Drug Delivery and Biophysics of Biopharmaceuticals, Department of Pharmacy, University of Copenhagen, Copenhagen, Denmark
| | - Mie Kristensen
- CNS Drug Delivery & Barrier Modelling, Department of Pharmacy, University of Copenhagen, Copenhagen, Denmark
| | - Hanne Mørck Nielsen
- Center for Biopharmaceuticals and Biobarriers in Drug Delivery, Drug Delivery and Biophysics of Biopharmaceuticals, Department of Pharmacy, University of Copenhagen, Copenhagen, Denmark.
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Negi S, Hamori M, Kawahara-Nakagawa Y, Imanishi M, Kurehara M, Kitada C, Kawahito Y, Kishi K, Manabe T, Kawamura N, Kitagishi H, Mashimo M, Shibata N, Sugiura Y. Importance of two-dimensional cation clusters induced by protein folding in intrinsic intracellular membrane permeability. RSC Chem Biol 2022; 3:1076-1084. [PMID: 35975000 PMCID: PMC9347356 DOI: 10.1039/d2cb00098a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 07/11/2022] [Indexed: 11/21/2022] Open
Abstract
Two-dimensional cation clusters formed on the surface of proteins play an important role in their intracellular translocation.
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Affiliation(s)
- Shigeru Negi
- Faculty of Pharmaceutical Science, Doshisha Women's University, Koudo, Kyotanabe, Kyoto 610-0395, Japan
| | - Mami Hamori
- Faculty of Pharmaceutical Science, Doshisha Women's University, Koudo, Kyotanabe, Kyoto 610-0395, Japan
| | - Yuka Kawahara-Nakagawa
- Graduate School of Life Science, University of Hyogo, 3-2-1 Kouto, Kamigori-cho, Ako-gun, Hyogo, 678-1297, Japan
| | - Miki Imanishi
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Miku Kurehara
- Faculty of Pharmaceutical Science, Doshisha Women's University, Koudo, Kyotanabe, Kyoto 610-0395, Japan
| | - Chieri Kitada
- Faculty of Pharmaceutical Science, Doshisha Women's University, Koudo, Kyotanabe, Kyoto 610-0395, Japan
| | - Yuri Kawahito
- Faculty of Pharmaceutical Science, Doshisha Women's University, Koudo, Kyotanabe, Kyoto 610-0395, Japan
| | - Kanae Kishi
- Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi Minami-ku, Hiroshima, 734-8553, Japan
| | - Takayuki Manabe
- Clinical Research Support Center, Asahikawa Medical University Hospital, 2-1-1-1 Midorigaokahigashi, Asahikawa 078-8510, Japan
| | - Nobuyuki Kawamura
- Education Center for Pharmacy, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, 265-1 Higashijima, Akiha-ku, Niigata City, Niigata 956-8603, Japan
| | - Hiroaki Kitagishi
- Department of Molecular Chemistry and Biochemistry, Faculty of Science and Engineering, Doshisha University, Kyotanabe, Kyoto 610-0321, Japan
| | - Masato Mashimo
- Faculty of Pharmaceutical Science, Doshisha Women's University, Koudo, Kyotanabe, Kyoto 610-0395, Japan
| | - Nobuhito Shibata
- Faculty of Pharmaceutical Science, Doshisha Women's University, Koudo, Kyotanabe, Kyoto 610-0395, Japan
| | - Yukio Sugiura
- Faculty of Pharmaceutical Science, Doshisha Women's University, Koudo, Kyotanabe, Kyoto 610-0395, Japan
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Martínez AV, Merino V, Ganem-Rondero A. Transdermal formulations and strategies for the treatment of osteoporosis. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Kanekura K, Hayamizu Y, Kuroda M. Order controls disordered droplets: structure-function relationships in C9orf72-derived poly(PR). Am J Physiol Cell Physiol 2021; 322:C197-C204. [PMID: 34910602 DOI: 10.1152/ajpcell.00372.2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) have been thought as two distinct neurodegenerative diseases. However, recent genetic screening and careful investigations found the genetic and pathological overlap among these disorders. Hexanucleotide expansions in intron 1 of C9orf72 are a leading cause of familial ALS and familial FTD. These expansions facilitate the repeat-associated non-ATG initiated translation (RAN translation), producing five dipeptide repeat proteins (DRPs), including Arg-rich poly(PR: Pro-Arg) and poly-(GR: Gly-Arg) peptides. Arg is a positively charged, highly polar amino acid that facilitates interactions with anionic molecules such as nucleic acids and acidic amino acids via electrostatic forces and aromatic amino acids via cation-pi interaction, suggesting that Arg-rich DRPs underlie the pathophysiology of ALS via Arg-mediated molecular interactions. Arg-rich DRPs have also been reported to induce neurodegeneration in cellular and animal models via multiple mechanisms; however, it remains unclear why the Arg-rich DRPs exhibit such diverse toxic properties, because not all Arg-rich peptides are toxic. In this mini-review, we discuss the current understanding of the pathophysiology of Arg-rich C9orf72 DRPs and introduce recent findings on the role of Arg distribution as a determinant of the toxicity and its contribution to the pathogenesis of ALS.
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Affiliation(s)
- Kohsuke Kanekura
- Department of Molecular Pathology, Tokyo Medical University, Tokyo, Tokyo, Japan
| | - Yuhei Hayamizu
- Department of Materials Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, Tokyo, Japan
| | - Masahiko Kuroda
- Department of Molecular Pathology, Tokyo Medical University, Tokyo, Tokyo, Japan
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Yadav A, Singh S, Sohi H, Dang S. Advances in Delivery of Chemotherapeutic Agents for Cancer Treatment. AAPS PharmSciTech 2021; 23:25. [PMID: 34907501 DOI: 10.1208/s12249-021-02174-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 10/29/2021] [Indexed: 12/31/2022] Open
Abstract
Presently, most of the treatment strategies for cancer are focused on the surgical removal of cancerous tumors, along with physical and chemical treatment such as radiotherapy and chemotherapy, respectively. The primary issue associated with these methods is the inhibition of normal cell growth and serious side effects associated with systemic toxicity. The traditional chemotherapeutics which were delivered systemically were inadequate and had serious dose limiting side effects. Recent advances in the development of chemotherapeutics have simultaneously paved the way for efficient targeted drug delivery. Despite the advances in the field of oncogenic drugs, several limitations remain, such as early blood clearance, acquired resistance against cytotoxic agents, toxicity associated with chemotherapeutics, and site-specific drug delivery. Hence, this review article focuses on the recent scientific advancements made in different types of drug delivery systems, including, organic nanocarriers (polymers, albumins, liposomes, and micelles), inorganic nanocarriers (mesoporous silica nanoparticles, gold nanoparticles, platinum nanoparticles, and carbon nanotubes), aptamers, antibody-drug conjugates, and peptides. These targeted drug delivery approaches offer numerous advantages such as site-specific drug delivery, minimal toxicity, better bioavailability, and an increased overall efficacy of the chemotherapeutics. Graphical abstract.
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Horn JM, Obermeyer AC. Genetic and Covalent Protein Modification Strategies to Facilitate Intracellular Delivery. Biomacromolecules 2021; 22:4883-4904. [PMID: 34855385 PMCID: PMC9310055 DOI: 10.1021/acs.biomac.1c00745] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Protein-based therapeutics represent a rapidly growing segment of approved disease treatments. Successful intracellular delivery of proteins is an important precondition for expanded in vivo and in vitro applications of protein therapeutics. Direct modification of proteins and peptides for improved cytosolic translocation are a promising method of increasing delivery efficiency and expanding the viability of intracellular protein therapeutics. In this Review, we present recent advances in both synthetic and genetic protein modifications for intracellular delivery. Active endocytosis-based and passive internalization pathways are discussed, followed by a review of modification methods for improved cytosolic delivery. After establishing how proteins can be modified, general strategies for facilitating intracellular delivery, such as chemical supercharging or inclusion of cell-penetrating motifs, are covered. We then outline protein modifications that promote endosomal escape. We finally examine the delivery of two potential classes of therapeutic proteins, antibodies and associated antibody fragments, and gene editing proteins, such as cas9.
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Potential of cell-penetrating peptides (CPPs) in delivery of antiviral therapeutics and vaccines. Eur J Pharm Sci 2021; 169:106094. [PMID: 34896590 DOI: 10.1016/j.ejps.2021.106094] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 12/01/2021] [Accepted: 12/02/2021] [Indexed: 12/12/2022]
Abstract
Viral infections are a great threat to human health. Currently, there are no effective vaccines and antiviral drugs against the majority of viral diseases, suggesting the need to develop novel and effective antiviral agents. Since the intracellular delivery of antiviral agents, particularly the impermeable molecules, such as peptides, proteins, and nucleic acids, are essential to exert their therapeutic effects, using a delivery system is highly required. Among various delivery systems, cell-penetrating peptides (CPPs), a group of short peptides with the unique ability of crossing cell membrane, offer great potential for the intracellular delivery of various biologically active cargoes. The results of numerous in vitro and in vivo studies with CPP conjugates demonstrate their promise as therapeutic agents in various medical fields including antiviral therapy. The CPP-mediated delivery of various antiviral agents including peptides, proteins, nucleic acids, and nanocarriers have been associated with therapeutic efficacy both in vitro and in vivo. This review describes various aspects of viruses including their biology, pathogenesis, and therapy and briefly discusses the concept of CPP and its potential in drug delivery. Particularly, it will highlight a variety of CPP applications in the management of viral infections.
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