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Khan NF, Nakamura H, Izawa H, Ifuku S, Kadowaki D, Otagiri M, Anraku M. Evaluation of the Safety and Gastrointestinal Migration of Guanidinylated Chitosan after Oral Administration to Rats. J Funct Biomater 2023; 14:340. [PMID: 37504835 PMCID: PMC10381351 DOI: 10.3390/jfb14070340] [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: 06/02/2023] [Revised: 06/22/2023] [Accepted: 06/25/2023] [Indexed: 07/29/2023] Open
Abstract
Arginine-rich membrane-permeable peptides (APPs) can be delivered to cells by forming complexes with various membrane-impermeable bioactive molecules such as proteins. We recently reported on the preparation of guanidinylated chitosan (GCS) that mimics arginine peptides, using chitosan, a naturally occurring cationic polysaccharide, and confirmed that it enhances protein permeability in an in vitro cell system. However, studies on the in vivo safety of GCS are not available. To address this, we evaluated the in vivo safety of GCS and its translocation into the gastrointestinal tract in rats after a single oral administration of an excessive dose (500 mg/kg) and observed changes in body weight, major organ weights, and organ tissue sections for periods of up to 2 weeks. The results indicated that GCS causes no deleterious effects. The results of an oral administration of rhodamine-labeled chitosan and an evaluation of its migration in the gastrointestinal tract suggested that the disappearance of rhodamine-labeled GCS from the body appeared to be slower than that of the non-dose group and pre-guanidinylated chitosan due to its mucoadhesive properties. In the future, we plan to investigate the use of GCS to improve absorption using Class III and IV drugs, which are poorly water-soluble as well as poorly membrane-permeable.
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Affiliation(s)
- Nowshin Farzana Khan
- Faculty of Pharmaceutical Sciences, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
| | - Hideaki Nakamura
- Faculty of Pharmaceutical Sciences, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
| | - Hironori Izawa
- Faculty of Engineering, University of Miyazaki, 1-1 Gakuen Kibanadai-Nishi, Miyazaki 889-2192, Japan
| | - Shinsuke Ifuku
- Graduate School of Engineering, Tottori University, 4-101 Koyama-cho Minami, Tottori 680-8552, Japan
| | - Daisuke Kadowaki
- Faculty of Pharmaceutical Sciences, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
| | - Masaki Otagiri
- Faculty of Pharmaceutical Sciences, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
| | - Makoto Anraku
- Faculty of Pharmaceutical Sciences, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
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2
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Morofuji R, Enomoto H, Honda T, Oyama Y, Ishida R, Kudo K, Okabe K. Exploring Cell-Penetrating Peptides as Penetration Enhancers in Eye Drop Formulations Using a Reconstructed Human Corneal Epithelial Model. Biol Pharm Bull 2023; 46:1720-1730. [PMID: 38044130 DOI: 10.1248/bpb.b23-00457] [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: 12/05/2023]
Abstract
Ocular tissues function as biological barriers that hinder drug delivery, depending on the target tissue and route of administration, and must be overcome to achieve the desired therapeutic effect. Penetration enhancers have long been investigated to improve corneal drug penetration via eye drop instillation; however, further development is warranted owing to potential safety concerns. In the present study, we focused on cell-penetrating peptides (CPPs) as a penetration enhancer to address the requirements and explored CPP candidates suitable for corneal drug delivery. Using a reconstructed human corneal epithelial tissue model, LabCyte CORNEA-MODEL24 as an alternative to animal testing that is expected to have higher reproducibility than extracted eyeballs and octa-arginine (R8) as a representative model CPP with simple structure, we investigated the enhancement of 6-carboxyfluorescein (6-FAM) uptake by fluorescence imaging and the potential of eye irritation by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. Also, surface plasmon resonance (SPR) evaluated the interaction between R8 and model compounds, suggesting that the stronger interaction could facilitate the corneal uptake of compounds. A comparative screening study of corneal uptake using various CPPs showed that the CPPs other than R8 also have the potential to enhance the corneal uptake of 6-FAM. In particular, penetratin (PNT) showed stronger fluorescence intensity. Through these findings, this manuscript provides beneficial information for the development of a novel corneal penetration enhancer with CPPs. In the future, it is expected that the basic findings with R8 will be verified to be applicable to other CPPs for development as penetration enhancers for eye drop formulation.
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Affiliation(s)
- Ryo Morofuji
- Division of Materials Science, Nara Institute of Science and Technology
- Pharmaceutical Development Division, Nara Research & Development Center, Santen Pharmaceutical Co., Ltd
| | - Hiroshi Enomoto
- Pharmaceutical Development Division, Nara Research & Development Center, Santen Pharmaceutical Co., Ltd
| | - Takahiro Honda
- Division of Materials Science, Nara Institute of Science and Technology
- Pharmaceutical Development Division, Nara Research & Development Center, Santen Pharmaceutical Co., Ltd
| | - Yuki Oyama
- Division of Materials Science, Nara Institute of Science and Technology
| | - Reiji Ishida
- Division of Materials Science, Nara Institute of Science and Technology
| | - Kazuhiro Kudo
- Division of Materials Science, Nara Institute of Science and Technology
- Pharmaceutical Development Division, Nara Research & Development Center, Santen Pharmaceutical Co., Ltd
| | - Komei Okabe
- Division of Materials Science, Nara Institute of Science and Technology
- Pharmaceutical Development Division, Nara Research & Development Center, Santen Pharmaceutical Co., Ltd
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3
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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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4
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Sharma A, Cipriano M, Ferrins L, Hajduk SL, Mensa-Wilmot K. Hypothesis-generating proteome perturbation to identify NEU-4438 and acoziborole modes of action in the African Trypanosome. iScience 2022; 25:105302. [PMID: 36304107 PMCID: PMC9593816 DOI: 10.1016/j.isci.2022.105302] [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: 03/07/2022] [Revised: 07/24/2022] [Accepted: 09/29/2022] [Indexed: 11/29/2022] Open
Abstract
NEU-4438 is a lead for the development of drugs against Trypanosoma brucei, which causes human African trypanosomiasis. Optimized with phenotypic screening, targets of NEU-4438 are unknown. Herein, we present a cell perturbome workflow that compares NEU-4438's molecular modes of action to those of SCYX-7158 (acoziborole). Following a 6 h perturbation of trypanosomes, NEU-4438 and acoziborole reduced steady-state amounts of 68 and 92 unique proteins, respectively. After analysis of proteomes, hypotheses formulated for modes of action were tested: Acoziborole and NEU-4438 have different modes of action. Whereas NEU-4438 prevented DNA biosynthesis and basal body maturation, acoziborole destabilized CPSF3 and other proteins, inhibited polypeptide translation, and reduced endocytosis of haptoglobin-hemoglobin. These data point to CPSF3-independent modes of action for acoziborole. In case of polypharmacology, the cell-perturbome workflow elucidates modes of action because it is target-agnostic. Finally, the workflow can be used in any cell that is amenable to proteomic and molecular biology experiments.
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Affiliation(s)
- Amrita Sharma
- Department of Molecular and Cellular Biology, Kennesaw State University, Kennesaw, GA 30144, USA
| | - Michael Cipriano
- Department of Biochemistry & Molecular Biology, University of Georgia, Athens, GA 30602, USA
| | - Lori Ferrins
- Department of Chemistry and Chemical Biology, Northeastern University, Boston, MA 02115, USA
| | - Stephen L. Hajduk
- Department of Biochemistry & Molecular Biology, University of Georgia, Athens, GA 30602, USA
| | - Kojo Mensa-Wilmot
- Department of Molecular and Cellular Biology, Kennesaw State University, Kennesaw, GA 30144, USA,Corresponding author
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5
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Nomura K, Kawano K, Kawaguchi Y, Kawamura Y, Michibata J, Kuwata K, Sugiyama K, Kusumoto K, Futaki S. Hemopexin as a Potential Binding Partner of Arginine-Rich Cell-Penetrating Peptides in Serum. ACS Pharmacol Transl Sci 2022; 5:603-615. [DOI: 10.1021/acsptsci.2c00043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Indexed: 11/27/2022]
Affiliation(s)
- Kayo Nomura
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Kenichi Kawano
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Yoshimasa Kawaguchi
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Yuki Kawamura
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Junya Michibata
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Keiko Kuwata
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan
| | - Koji Sugiyama
- Formulation Research Laboratory, Taiho Pharmaceutical Co., Ltd., 224-2, Ebisuno, Hiraishi, Kawauchi-cho, Tokushima 771-0194, Japan
| | - Kenji Kusumoto
- Formulation Research Laboratory, Taiho Pharmaceutical Co., Ltd., 224-2, Ebisuno, Hiraishi, Kawauchi-cho, Tokushima 771-0194, Japan
| | - Shiroh Futaki
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
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6
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Okano S, Kawaguchi Y, Kawano K, Hirose H, Imanishi M, Futaki S. Split luciferase-based estimation of cytosolic cargo concentration delivered intracellularly via attenuated cationic amphiphilic lytic peptides. Bioorg Med Chem Lett 2022; 72:128875. [DOI: 10.1016/j.bmcl.2022.128875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/23/2022] [Accepted: 06/27/2022] [Indexed: 11/02/2022]
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7
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Nakagawa Y, Arafiles JVV, Kawaguchi Y, Nakase I, Hirose H, Futaki S. Stearylated Macropinocytosis-Inducing Peptides Facilitating the Cellular Uptake of Small Extracellular Vesicles. Bioconjug Chem 2022; 33:869-880. [PMID: 35506582 DOI: 10.1021/acs.bioconjchem.2c00113] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Macropinocytosis is a form of endocytosis that allows massive uptake of extracellular materials and is a promising route for intracellular delivery of biofunctional macromolecules and nanoparticles. Our laboratory developed a potent macropinocytosis-inducing peptide named P4A. However, the ability of this peptide is not apparent in the presence of serum. This study aims to endow P4A and related peptides with the ability to induce macropinocytosis in the presence of serum by N-terminal acylation with long-chain fatty acids (i.e., decanoic, myristic, and stearic acids). Stearylated P4A (stearyl-P4A) had the highest effect on stimulating macropinocytotic uptake. Moreover, the intramolecularly disulfide-bridged analogue, stearyl-oxP4A, showed an even higher ability. The effect of stearyl-oxP4A to facilitate the intracellular delivery of small extracellular vesicles (sEVs) was evaluated in terms of (i) cellular uptake using sEVs labeled with an enhanced green fluorescent protein (EGFP) and (ii) cytosolic liberation and expression of sEV-encapsulated luciferase mRNA in recipient cells. The two- to threefold uptake of both sEVs in the presence of stearyl-oxP4A suggests the potential of the peptide for sEV delivery in the presence of serum.
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Affiliation(s)
- Yuna Nakagawa
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | | | - Yoshimasa Kawaguchi
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Ikuhiko Nakase
- Graduate School of Science, Osaka Metropolitan University, Sakai, Osaka 599-8531, Japan.,NanoSquare Research Institute, Osaka Metropolitan University, Sakai, Osaka 599-8531, Japan
| | - Hisaaki Hirose
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Shiroh Futaki
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
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8
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Abstract
In-cell structural biology aims at extracting structural information about proteins or nucleic acids in their native, cellular environment. This emerging field holds great promise and is already providing new facts and outlooks of interest at both fundamental and applied levels. NMR spectroscopy has important contributions on this stage: It brings information on a broad variety of nuclei at the atomic scale, which ensures its great versatility and uniqueness. Here, we detail the methods, the fundamental knowledge, and the applications in biomedical engineering related to in-cell structural biology by NMR. We finally propose a brief overview of the main other techniques in the field (EPR, smFRET, cryo-ET, etc.) to draw some advisable developments for in-cell NMR. In the era of large-scale screenings and deep learning, both accurate and qualitative experimental evidence are as essential as ever to understand the interior life of cells. In-cell structural biology by NMR spectroscopy can generate such a knowledge, and it does so at the atomic scale. This review is meant to deliver comprehensive but accessible information, with advanced technical details and reflections on the methods, the nature of the results, and the future of the field.
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Affiliation(s)
- Francois-Xavier Theillet
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), 91198 Gif-sur-Yvette, France
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9
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Sakamoto K, Furukawa H, Arafiles JVV, Imanishi M, Matsuura K, Futaki S. Artificial Nanocage Formed via Self-Assembly of β-Annulus Peptide for Delivering Biofunctional Proteins into Cell Interiors. Bioconjug Chem 2022; 33:311-320. [PMID: 35049280 DOI: 10.1021/acs.bioconjchem.1c00534] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Nanocarriers that deliver functional proteins to cell interiors are an attractive platform for the intracellular delivery of intact proteins without further modification, with in vivo compatibility. Development of efficient methods for cargo protein encapsulation and release in recipient cell cytosol is needed. Herein, we assess the feasibility of the abovementioned requirements using a protein nanocage (artificial nanocage) without compromising the structure and functions of the original protein and allowing for design flexibility of the surfaces and interiors. The protein nanocage formed via the self-assembly of the β-annulus peptide (24-amino acid peptide) in water was used as a model framework. The nitrilotriacetic acid moiety was displayed on the nanocage lumen for effective encapsulation of hexahistidine-tagged proteins in the presence of Ni2+, and the amphiphilic cationic lytic peptide HAad was displayed on a nanocage surface to attain cell permeability. Successful intracellular delivery of cargo proteins and targeting of cytosolic proteins by a nanobody were achieved, indicating the validity of the approach employed in this study.
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Affiliation(s)
- Kentarou Sakamoto
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Hiroto Furukawa
- Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University, Tottori 680-8552, Japan
| | | | - Miki Imanishi
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Kazunori Matsuura
- Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University, Tottori 680-8552, Japan.,Centre for Research on Green Sustainable Chemistry, Tottori University, Tottori 680-8552, Japan
| | - Shiroh Futaki
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
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