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Zeng L, Kang D, Zhu L, Zhou Z, Li Y, Ling W, Zhang Y, Yu DG, Kim I, Song W. Poly(phenylalanine) and poly(3,4-dihydroxy-L-phenylalanine): Promising biomedical materials for building stimuli-responsive nanocarriers. J Control Release 2024; 372:810-828. [PMID: 38968969 DOI: 10.1016/j.jconrel.2024.07.002] [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: 03/15/2024] [Revised: 06/30/2024] [Accepted: 07/01/2024] [Indexed: 07/07/2024]
Abstract
Cancer is a serious threat to human health because of its high annual mortality rate. It has attracted significant attention in healthcare, and identifying effective strategies for the treatment and relief of cancer pain requires urgency. Drug delivery systems (DDSs) offer the advantages of excellent efficacy, low cost, and low toxicity for targeting drugs to tumor sites. In recent decades, copolymer carriers based on poly(phenylalanine) (PPhe) and poly(3,4-dihydroxy-L-phenylalanine) (PDopa) have been extensively investigated owing to their good biocompatibility, biodegradability, and controllable stimulus responsiveness, which have resulted in DDSs with loading and targeted delivery capabilities. In this review, we introduce the synthesis of PPhe and PDopa, highlighting the latest proposed synthetic routes and comparing the differences in drug delivery between PPhe and PDopa. Subsequently, we summarize the various applications of PPhe and PDopa in nanoscale-targeted DDSs, providing a comprehensive analysis of the drug release behavior based on different stimulus-responsive carriers using these two materials. In the end, we discuss the challenges and prospects of polypeptide-based DDSs in the field of cancer therapy, aiming to promote their further development to meet the growing demands for treatment.
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Affiliation(s)
- Lingcong Zeng
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, PR China
| | - Dandan Kang
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, PR China
| | - Linglin Zhu
- Oncology Department of Huadong Hospital, Minimally Invasive Tumor Treatment Center, No. 139 Yan'an West Road, Jing'an District, Shanghai, China 200040
| | - Zunkang Zhou
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, PR China
| | - Yichong Li
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, PR China
| | - Wei Ling
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, PR China
| | - Yu Zhang
- School of Pharmacy, Shanghai University of Medicine & Health Sciences, Shanghai 201318, PR China
| | - Deng-Guang Yu
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, PR China
| | - Il Kim
- School of Chemical Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Wenliang Song
- School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, PR China.
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2
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Reyes C, Patarroyo MA. Self-assembling peptides: Perspectives regarding biotechnological applications and vaccine development. Int J Biol Macromol 2024; 259:128944. [PMID: 38145690 DOI: 10.1016/j.ijbiomac.2023.128944] [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: 08/08/2023] [Revised: 12/05/2023] [Accepted: 12/19/2023] [Indexed: 12/27/2023]
Abstract
Self-assembly involves a set of molecules spontaneously interacting in a highly coordinated and dynamic manner to form a specific supramolecular structure having new and clearly defined properties. Many examples of this occur in nature and many more came from research laboratories, with their number increasing every day via ongoing research concerning complex biomolecules and the possibility of harnessing it when developing new applications. As a phenomenon, self-assembly has been described on very different types of molecules (biomolecules including), so this review focuses on what is known about peptide self-assembly, its origins, the forces behind it, how the properties of the resulting material can be tuned in relation to experimental considerations, some biotechnological applications (in which the main protagonists are peptide sequences capable of self-assembly) and what is yet to be tuned regarding their research and development.
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Affiliation(s)
- César Reyes
- PhD Biotechnology Programme, Faculty of Sciences, Universidad Nacional de Colombia, Carrera 45#26-85, Bogotá DC 111321, Colombia; Structure Analysis Department, Fundación Instituto de Inmunología de Colombia (FIDIC), Carrera 50#26-20, Bogotá DC 111321, Colombia; Animal Science Faculty, Universidad de Ciencias Aplicadas y Ambientales (U.D.C.A.), Calle 222#55-37, Bogotá DC 111166, Colombia
| | - Manuel A Patarroyo
- Molecular Biology and Immunology Department, Fundación Instituto de Inmunología de Colombia (FIDIC), Carrera 50#26-20, Bogotá DC 111321, Colombia; Microbiology Department, Faculty of Medicine, Universidad Nacional de Colombia, Carrera 45#26-85, Bogotá DC 111321, Colombia.
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Li X, Ren Y, Xue Y, Zhang Y, Liu Y. Nanofibrous scaffolds for the healing of the fibrocartilaginous enthesis: advances and prospects. NANOSCALE HORIZONS 2023; 8:1313-1332. [PMID: 37614124 DOI: 10.1039/d3nh00212h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/25/2023]
Abstract
With the current developmental advancements in nanotechnology, nanofibrous scaffolds are being widely used. The healing of fibrocartilaginous enthesis is a slow and complex process, and while existing treatments have a certain effect on promoting their healing, these are associated with some limitations. The nanofibrous scaffold has the advantages of easy preparation, wide source of raw materials, easy adjustment, easy modification, can mimic the natural structure and morphology of the fibrocartilaginous enthesis, and has good biocompatibility, which can compensate for existing treatments and be combined with them to promote the repair of fibrocartilaginous enthesis. The nanofibrous scaffold can promote the healing of fibrocartilaginous enthesis by controlling the morphology and ensuring controlled drug release. Hence, the use of nanofibrous scaffold with stimulative response features in the musculoskeletal system has led us to imagine its potential application in fibrocartilaginous enthesis. Therefore, the healing of fibrocartilaginous enthesis based on a nanofibrous scaffold may be a novel therapeutic approach.
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Affiliation(s)
- Xin Li
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Yan Ren
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, 310053, China
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, China.
| | - Yueguang Xue
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, China.
| | - Yiming Zhang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, China.
| | - Ying Liu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety & CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, China.
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4
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Petit N, Dyer JM, Gerrard JA, Domigan LJ, Clerens S. Insight into the self-assembly and gel formation of a bioactive peptide derived from bovine casein. BBA ADVANCES 2023. [DOI: 10.1016/j.bbadva.2023.100086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023] Open
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Ma W, Zhang S, Xie C, Wan X, Li X, Chen K, Zhao G. Preparation of High Mechanical Strength Chitosan Nanofiber/NanoSiO 2/PVA Composite Scaffolds for Bone Tissue Engineering Using Sol-Gel Method. Polymers (Basel) 2022; 14:polym14102083. [PMID: 35631965 PMCID: PMC9147700 DOI: 10.3390/polym14102083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 05/02/2022] [Accepted: 05/09/2022] [Indexed: 12/20/2022] Open
Abstract
The majority of chitosan-based bone tissue engineering (BTE) scaffolds have the problem of poor mechanical properties. However, modifying chitosan with conventional silane coupling agents to improve the mechanical properties of scaffolds will introduce additional complications, including cytotoxicity and poor biocompatibility. In this study, two types of organic−inorganic composite scaffolds (F-A-T0/T3/T5 and F-B-T5-P0/P0.5/P1.5/P2.5) were prepared using chitosan nanofibers (CSNF) prepared by the beating-homogenization method, combined with the sol−gel method, and further introduced polyvinyl alcohol (PVA). The F-A-T3 and F-B-T5-P1.5 exhibited interconnected pore and surface nanofibers structures, high porosity (>70%), outstanding swelling properties, and a controllable degradation rate. The Young’s modulus of TEOS: 5.0% (w/w), PVA: 1.5% (w/w) chitosan fiber scaffold is 8.53 ± 0.43 MPa in dry conditions, and 237.78 ± 8.86 kPa in wet conditions, which is four times that of F-A-T5 and twice that of F-B-T5-P0. Additionally, cell (MC3T3-E1) experiments confirmed that the two composite scaffolds had great cytocompatibility and were predicted to be used in the future in the field of BTE scaffolds.
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Affiliation(s)
- Wei Ma
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510641, China; (W.M.); (S.Z.); (C.X.); (X.W.)
| | - Sihan Zhang
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510641, China; (W.M.); (S.Z.); (C.X.); (X.W.)
| | - Chong Xie
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510641, China; (W.M.); (S.Z.); (C.X.); (X.W.)
| | - Xing Wan
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510641, China; (W.M.); (S.Z.); (C.X.); (X.W.)
| | - Xiaofeng Li
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510641, China; (W.M.); (S.Z.); (C.X.); (X.W.)
- Correspondence: (X.L.); (K.C.); (G.Z.); Tel.: +86-20-22236819 (X.L.); +86-20-87111770 (K.C.); +86-20-87111770 (G.Z.)
| | - Kebing Chen
- Department of Spine Surgery, The Sixth Affiliated Hospital of Sun Yat-sen University, 26 Erheng Road, Yuan Village, Guangzhou, 510655, China
- Correspondence: (X.L.); (K.C.); (G.Z.); Tel.: +86-20-22236819 (X.L.); +86-20-87111770 (K.C.); +86-20-87111770 (G.Z.)
| | - Guanglei Zhao
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510641, China; (W.M.); (S.Z.); (C.X.); (X.W.)
- Correspondence: (X.L.); (K.C.); (G.Z.); Tel.: +86-20-22236819 (X.L.); +86-20-87111770 (K.C.); +86-20-87111770 (G.Z.)
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Surmenev RA, Ivanov AN, Saveleva MS, Kiriiazi TS, Fedonnikov AS, Surmeneva MA. The effect of different sizes of cross‐linked fibers of biodegradable electrospun poly(ε‐caprolactone) scaffolds on osteogenic behavior in a rat model in vivo. J Appl Polym Sci 2022. [DOI: 10.1002/app.52244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Roman A. Surmenev
- Research Center Physical Materials Science and Composite Materials, Research School of Chemistry & Applied Biomedical Sciences National Research Tomsk Polytechnic University Tomsk Russian Federation
| | - Alexey N. Ivanov
- Federal State Budgetary Educational Institution of Higher Education “V.I. Razumovsky Saratov State Medical University” of the Ministry of Healthcare of the Russian Federation Saratov Russian Federation
| | - Mariia S. Saveleva
- Remote Controlled Systems for Theranostics Laboratory, Science Medical Center Saratov State University Saratov Russian Federation
| | - Tatiana S. Kiriiazi
- Federal State Budgetary Educational Institution of Higher Education “V.I. Razumovsky Saratov State Medical University” of the Ministry of Healthcare of the Russian Federation Saratov Russian Federation
| | - Alexander S. Fedonnikov
- Federal State Budgetary Educational Institution of Higher Education “V.I. Razumovsky Saratov State Medical University” of the Ministry of Healthcare of the Russian Federation Saratov Russian Federation
| | - Maria A. Surmeneva
- Research Center Physical Materials Science and Composite Materials, Research School of Chemistry & Applied Biomedical Sciences National Research Tomsk Polytechnic University Tomsk Russian Federation
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7
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Karpov TE, Peltek OO, Muslimov AR, Tarakanchikova YV, Grunina TM, Poponova MS, Karyagina AS, Chernozem RV, Pariy IO, Mukhortova YR, Zhukov MV, Surmeneva MA, Zyuzin MV, Timin AS, Surmenev RA. Development of Optimized Strategies for Growth Factor Incorporation onto Electrospun Fibrous Scaffolds To Promote Prolonged Release. ACS APPLIED MATERIALS & INTERFACES 2020; 12:5578-5592. [PMID: 31886639 DOI: 10.1021/acsami.9b20697] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Growth factor incorporation in biomedical constructs for their local delivery enables specific pharmacological effects such as the induction of cell growth and differentiation. This has enabled a promising way to improve the tissue regeneration process. However, it remains challenging to identify an appropriate approach that provides effective growth factor loading into biomedical constructs with their following release kinetics in a prolonged manner. In the present work, we performed a systematic study, which explores the optimal strategy of growth factor incorporation into sub-micrometric-sized CaCO3 core-shell particles (CSPs) and hollow silica particles (SiPs). These carriers were immobilized onto the surface of the polymer scaffolds based on polyhydroxybutyrate (PHB) with and without reduced graphene oxide (rGO) in its structure to examine the functionality of incorporated growth factors. Bone morphogenetic protein-2 (BMP-2) and ErythroPOietin (EPO) as growth factor models were included into CSPs and SiPs using different entrapping strategies, namely, physical adsorption, coprecipitation technique, and freezing-induced loading method. It was shown that the loading efficiency, release characteristics, and bioactivity of incorporated growth factors strongly depend on the chosen strategy of their incorporation into delivery systems. Overall, we demonstrated that the combination of scaffolds with drug delivery systems containing growth factors has great potential in the field of tissue regeneration compared with individual scaffolds.
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Affiliation(s)
- Timofey E Karpov
- Peter The Great St. Petersburg Polytechnic University , Polytechnicheskaya, 29 , 195251 St. Petersburg , Russian Federation
| | - Oleksii O Peltek
- Faculty of Physics and Engineering , ITMO University , Lomonosova 9 , 191002 St. Petersburg , Russia
| | - Albert R Muslimov
- First I. P. Pavlov State Medical University of St. Petersburg , Lev Tolstoy str., 6/8 , 197022 Saint-Petersburg , Russian Federation
- Nanobiotechnology Laboratory , St. Petersburg Academic University , 194021 Saint Petersburg , Russia
| | - Yana V Tarakanchikova
- Nanobiotechnology Laboratory , St. Petersburg Academic University , 194021 Saint Petersburg , Russia
| | - Tatiana M Grunina
- N. F. Gamaleya National Research Center of Epidemiology and Microbiology , Ministry of Health of the Russian Federation , 123098 Moscow , Russia
| | - Maria S Poponova
- N. F. Gamaleya National Research Center of Epidemiology and Microbiology , Ministry of Health of the Russian Federation , 123098 Moscow , Russia
| | - Anna S Karyagina
- N. F. Gamaleya National Research Center of Epidemiology and Microbiology , Ministry of Health of the Russian Federation , 123098 Moscow , Russia
- All-Russia Research Institute of Agricultural Biotechnology , 127550 Moscow , Russia
| | - Roman V Chernozem
- Physical Materials Science and Composite Materials Centre , National Research Tomsk Polytechnic University , Lenin Avenue, 30 , 634050 Tomsk , Russian Federation
| | - Igor O Pariy
- Physical Materials Science and Composite Materials Centre , National Research Tomsk Polytechnic University , Lenin Avenue, 30 , 634050 Tomsk , Russian Federation
| | - Yulia R Mukhortova
- Physical Materials Science and Composite Materials Centre , National Research Tomsk Polytechnic University , Lenin Avenue, 30 , 634050 Tomsk , Russian Federation
| | - Mikhail V Zhukov
- Faculty of Physics and Engineering , ITMO University , Lomonosova 9 , 191002 St. Petersburg , Russia
| | - Maria A Surmeneva
- Physical Materials Science and Composite Materials Centre , National Research Tomsk Polytechnic University , Lenin Avenue, 30 , 634050 Tomsk , Russian Federation
| | - Mikhail V Zyuzin
- Faculty of Physics and Engineering , ITMO University , Lomonosova 9 , 191002 St. Petersburg , Russia
| | - Alexander S Timin
- Peter The Great St. Petersburg Polytechnic University , Polytechnicheskaya, 29 , 195251 St. Petersburg , Russian Federation
- First I. P. Pavlov State Medical University of St. Petersburg , Lev Tolstoy str., 6/8 , 197022 Saint-Petersburg , Russian Federation
- Research School of Chemical and Biomedical Engineering National Research Tomsk Polytechnic University , Lenin Avenue 30 , 634050 Tomsk , Russian Federation
| | - Roman A Surmenev
- Physical Materials Science and Composite Materials Centre , National Research Tomsk Polytechnic University , Lenin Avenue, 30 , 634050 Tomsk , Russian Federation
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8
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Chernozem RV, Surmeneva MA, Shkarina SN, Loza K, Epple M, Ulbricht M, Cecilia A, Krause B, Baumbach T, Abalymov AA, Parakhonskiy BV, Skirtach AG, Surmenev RA. Piezoelectric 3-D Fibrous Poly(3-hydroxybutyrate)-Based Scaffolds Ultrasound-Mineralized with Calcium Carbonate for Bone Tissue Engineering: Inorganic Phase Formation, Osteoblast Cell Adhesion, and Proliferation. ACS APPLIED MATERIALS & INTERFACES 2019; 11:19522-19533. [PMID: 31058486 DOI: 10.1021/acsami.9b04936] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Elaboration of novel biocomposites providing simultaneously both biodegradability and stimulated bone tissue repair is essential for regenerative medicine. In particular, piezoelectric biocomposites are attractive because of a possibility to electrically stimulate cell response. In the present study, novel CaCO3-mineralized piezoelectric biodegradable scaffolds based on two polymers, poly[( R)3-hydroxybutyrate] (PHB) and poly[3-hydroxybutyrate- co-3-hydroxyvalerate] (PHBV), are presented. Mineralization of the scaffold surface is carried out by the in situ synthesis of CaCO3 in the vaterite and calcite polymorphs using ultrasound (U/S). Comparative characterization of PHB and PHBV scaffolds demonstrated an impact of the porosity and surface charge on the mineralization in a dynamic mechanical system, as no essential distinction was observed in wettability, structure, and surface chemical compositions. A significantly higher (4.3 times) piezoelectric charge and a higher porosity (∼15%) lead to a more homogenous CaCO3 growth in 3-D fibrous structures and result in a two times higher relative mass increase for PHB scaffolds compared to that for PHBV. This also increases the local ion concentration incurred upon mineralization under U/S-generated dynamic mechanical conditions. The modification of the wettability for PHB and PHBV scaffolds from hydrophobic (nonmineralized fibers) to superhydrophilic (mineralized fibers) led to a pronounced apatite-forming behavior of scaffolds in a simulated body fluid. In turn, this results in the formation of a dense monolayer of well-distributed and proliferated osteoblast cells along the fibers. CaCO3-mineralized PHBV surfaces had a higher osteoblast cell adhesion and proliferation assigned to a higher amount of CaCO3 on the surface compared to that on PHB scaffolds, as incurred from micro-computed tomography (μCT). Importantly, a cell viability study confirmed biocompatibility of all the scaffolds. Thus, hybrid biocomposites based on the piezoelectric PHB polymers represent an effective scaffold platform functionalized by an inorganic phase and stimulating the growth of the bone tissue.
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Affiliation(s)
- R V Chernozem
- Physical Materials Science and Composite Materials Centre , National Research Tomsk Polytechnic University , 634050 Tomsk , Russia
- Department of Biotechnology , Ghent University , 9000 Ghent , Belgium
| | - M A Surmeneva
- Physical Materials Science and Composite Materials Centre , National Research Tomsk Polytechnic University , 634050 Tomsk , Russia
| | - S N Shkarina
- Physical Materials Science and Composite Materials Centre , National Research Tomsk Polytechnic University , 634050 Tomsk , Russia
| | | | | | | | - A Cecilia
- Institute for Photon Science and Synchrotron Radiation (IPS) , Karlsruhe Institute of Technology , 76344 Eggenstein-Leopoldshafen , Germany
| | - B Krause
- Institute for Photon Science and Synchrotron Radiation (IPS) , Karlsruhe Institute of Technology , 76344 Eggenstein-Leopoldshafen , Germany
| | - T Baumbach
- Institute for Photon Science and Synchrotron Radiation (IPS) , Karlsruhe Institute of Technology , 76344 Eggenstein-Leopoldshafen , Germany
- Laboratory for Applications of Synchrotron Radiation (LAS) , Karlsruhe Institute of Technology (KIT) , 76049 Karlsruhe , Germany
| | - A A Abalymov
- Department of Biotechnology , Ghent University , 9000 Ghent , Belgium
| | - B V Parakhonskiy
- Department of Biotechnology , Ghent University , 9000 Ghent , Belgium
| | - A G Skirtach
- Department of Biotechnology , Ghent University , 9000 Ghent , Belgium
| | - R A Surmenev
- Physical Materials Science and Composite Materials Centre , National Research Tomsk Polytechnic University , 634050 Tomsk , Russia
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Qi Y, Min H, Mujeeb A, Zhang Y, Han X, Zhao X, Anderson GJ, Zhao Y, Nie G. Injectable Hexapeptide Hydrogel for Localized Chemotherapy Prevents Breast Cancer Recurrence. ACS APPLIED MATERIALS & INTERFACES 2018; 10:6972-6981. [PMID: 29409316 DOI: 10.1021/acsami.7b19258] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Although postsurgical chemotherapy is frequently used for the treatment of breast cancer, tumor recurrence is still a frequent event. Enhancing the efficacy of chemotherapy via localized drug delivery may help to prevent breast cancer recurrence. To achieve this goal, we designed a hydrogel nanocarrier that could be injected at the tumor site by coassembly of tailor-made hexapeptide and doxorubicin. Evidently, on the basis of our findings, the sustained release of drug from the hydrogel led to a reduction in cancer recurrence, including the suppression of primary regrowth and distant metastasis. This localized chemotherapy strategy did not show any obvious side effects in vivo and represents a promising adjuvant therapeutic strategy for breast cancer recurrence.
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Affiliation(s)
- Yingqiu Qi
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
| | - Huan Min
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
| | - Ayeesha Mujeeb
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
| | - Yinlong Zhang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
| | - Xuexiang Han
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
| | - Xiao Zhao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
| | - Greg J Anderson
- Royal Brisbane Hospital, QIMR Berghofer Medical Research Institute , Brisbane 4029, QLD, Australia
| | - Ying Zhao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
- University of Chinese Academy of Sciences , Beijing 100049, China
| | - Guangjun Nie
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology , Beijing 100190, China
- University of Chinese Academy of Sciences , Beijing 100049, China
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10
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Yu Z, Cai Z, Chen Q, Liu M, Ye L, Ren J, Liao W, Liu S. Engineering β-sheet peptide assemblies for biomedical applications. Biomater Sci 2017; 4:365-74. [PMID: 26700207 DOI: 10.1039/c5bm00472a] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hydrogels have been widely studied in various biomedical applications, such as tissue engineering, cell culture, immunotherapy and vaccines, and drug delivery. Peptide-based nanofibers represent a promising new strategy for current drug delivery approaches and cell carriers for tissue engineering. This review focuses on the recent advances in the use of self-assembling engineered β-sheet peptide assemblies for biomedical applications. The applications of peptide nanofibers in biomedical fields, such as drug delivery, tissue engineering, immunotherapy, and vaccines, are highlighted. The current challenges and future perspectives for self-assembling peptide nanofibers in biomedical applications are discussed.
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Affiliation(s)
- Zhiqiang Yu
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China.
| | - Zheng Cai
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China.
| | - Qiling Chen
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China.
| | - Menghua Liu
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China.
| | - Ling Ye
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China.
| | - Jiaoyan Ren
- Department of Food Science and Technology, South China University of Technology, Wushan Road 381, Guangzhou, Guangdong, China.
| | - Wenzhen Liao
- Department of Food Science and Technology, South China University of Technology, Wushan Road 381, Guangzhou, Guangdong, China.
| | - Shuwen Liu
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China.
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11
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Ashwanikumar N, Kumar NA, Saneesh Babu PS, Sivakumar KC, Vadakkan MV, Nair P, Hema Saranya I, Asha Nair S, Vinod Kumar GS. Self-assembling peptide nanofibers containing phenylalanine for the controlled release of 5-fluorouracil. Int J Nanomedicine 2016; 11:5583-5594. [PMID: 27822037 PMCID: PMC5087806 DOI: 10.2147/ijn.s104707] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The study shows that RADA-F6 peptide with pH-responsive self-assembling nature can be effectively used as a drug delivery system for the sustained release of a potent anticancer drug 5-fluorouracil (5-FU) at basic pH. As 5-FU contains the aromatic pyrimidine ring, RADA-F6 system is suitable for entrapping an aromatic drug due to effective π-π stacking with phenylalanine and be able to show better controlled release behavior. The stability and controlled release nature of RADA-F6 in different conditions followed by 5-FU entrapment at in silico conditions was confirmed by molecular dynamics simulation taking RADA-16 as control. Cytotoxicity of the drug-loaded RADA-F6 was measured by MTT assay and cellular uptake by confocal microscopy. Physicochemical characterization and further Western blot analysis and flow cytometric studies confirm that RADA-F6 can be successfully used as an efficient vector for pH-sensitive, controlled 5-FU delivery system.
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Affiliation(s)
| | | | | | - Krishnankutty C Sivakumar
- Distributed Information Sub-Centre (Bioinformatics Centre), Rajiv Gandhi Centre for Biotechnology, Poojappura, Thiruvananthapuram, Kerala, India
| | | | - Parvathi Nair
- Chemical Biology, Nano Drug Delivery Systems, Bio-Innovation Center
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12
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Angulo-Pachón CA, Gascó-Catalán C, Ojeda-Flores JJ, Miravet JF. Improved Efficiency of Molecular-Gel Formation by Adjusting Preorganization of Amino-Acid-Derived Flexible Molecules: A NMR and Thermodynamic study. Chemphyschem 2016; 17:2008-12. [DOI: 10.1002/cphc.201600015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Revised: 03/10/2016] [Indexed: 11/11/2022]
Affiliation(s)
- César A. Angulo-Pachón
- Departament de Química Inorgànica i Orgànica; Universitat Jaume I; Avda. Sos Baynat s/n 12071 Castellón Spain
| | - Carolina Gascó-Catalán
- Departament de Química Inorgànica i Orgànica; Universitat Jaume I; Avda. Sos Baynat s/n 12071 Castellón Spain
| | - Juan J. Ojeda-Flores
- Departament de Química Inorgànica i Orgànica; Universitat Jaume I; Avda. Sos Baynat s/n 12071 Castellón Spain
| | - Juan F. Miravet
- Departament de Química Inorgànica i Orgànica; Universitat Jaume I; Avda. Sos Baynat s/n 12071 Castellón Spain
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13
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Self-assembling peptide-based delivery of therapeutics for myocardial infarction. Adv Drug Deliv Rev 2016; 96:40-53. [PMID: 25959427 DOI: 10.1016/j.addr.2015.04.023] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2015] [Revised: 04/25/2015] [Accepted: 04/29/2015] [Indexed: 12/16/2022]
Abstract
Cardiovascular disease, including myocardial infarction, is the number one cause of death. Current treatments are palliative and slow the progression toward heart failure, but to not regenerate healthy tissue. Self-assembling peptides are biomimietic, readily produced, non-immunogenic and non-cytotoxic. They do not assemble into hydrogels until triggered, allowing them to be injected into the myocardium and providing opportunities for minimally invasive therapies. The ability to tune the mechanical and bioactive properties of self-assembling peptides will continue to make them readily adaptable for mimicking natural microenvironments. To date, a variety of growth factors and signaling moieties have been incorporated into self-assembling peptide hydrogels, enhancing cell behavior and tissue function. Furthermore, the hydrogels serve as delivery vehicles for cells in vivo and platforms for improved cell culture. In addition to a brief review of self-assembling peptides, we will discuss a variety of their approaches for myocardial infarction therapy. Moreover, we will assess approaches taken in other tissue and discuss how these could benefit therapies for myocardial infarction.
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14
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Gorodzha SN, Surmeneva MA, Surmenev RA. Fabrication and characterization of polycaprolactone cross- linked and highly-aligned 3-D artificial scaffolds for bone tissue regeneration via electrospinning technology. ACTA ACUST UNITED AC 2015. [DOI: 10.1088/1757-899x/98/1/012024] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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15
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Azevedo HS, Pashkuleva I. Biomimetic supramolecular designs for the controlled release of growth factors in bone regeneration. Adv Drug Deliv Rev 2015; 94:63-76. [PMID: 26325686 DOI: 10.1016/j.addr.2015.08.003] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2014] [Revised: 08/17/2015] [Accepted: 08/25/2015] [Indexed: 12/13/2022]
Abstract
The extracellular matrix (ECM) of tissues is an assembly of insoluble macromolecules that specifically interact with soluble bioactive molecules and regulate their distribution and availability to cells. Recapitulating this ability has been an important target in controlled growth factor delivery strategies for tissue regeneration and requires the design of multifunctional carriers. This review describes the integration of supramolecular interactions on the design of delivery strategies that encompass self-assembling and engineered affinity components to construct advanced biomimetic carriers for growth factor delivery. Several glycan- and peptide-based self-assemblies reported in the literature are highlighted and commented upon. These examples demonstrate how molecular design and chemistry are successfully employed to create versatile multifunctional molecules which self-assemble/disassemble in a precisely predicted manner, thus controlling compartmentalization, transport and delivery. Finally, we discuss whether recent advances in the design and preparation of supramolecular delivery systems have been sufficient to drive real translation towards a clinical impact.
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Affiliation(s)
- Helena S Azevedo
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, UK; Institute of Bioengineering, Queen Mary University of London, Mile End Road, London E1 4NS, UK.
| | - Iva Pashkuleva
- 3B's Research Group - Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, 4805-017 Barco Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.
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16
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Kim S, Kim JH, Lee JS, Park CB. Beta-Sheet-Forming, Self-Assembled Peptide Nanomaterials towards Optical, Energy, and Healthcare Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2015; 11:3623-40. [PMID: 25929870 DOI: 10.1002/smll.201500169] [Citation(s) in RCA: 134] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Revised: 02/28/2015] [Indexed: 05/19/2023]
Abstract
Peptide self-assembly is an attractive route for the synthesis of intricate organic nanostructures that possess remarkable structural variety and biocompatibility. Recent studies on peptide-based, self-assembled materials have expanded beyond the construction of high-order architectures; they are now reporting new functional materials that have application in the emerging fields such as artificial photosynthesis and rechargeable batteries. Nevertheless, there have been few reviews particularly concentrating on such versatile, emerging applications. Herein, recent advances in the synthesis of self-assembled peptide nanomaterials (e.g., cross β-sheet-based amyloid nanostructures, peptide amphiphiles) are selectively reviewed and their new applications in diverse, interdisciplinary fields are described, ranging from optics and energy storage/conversion to healthcare. The applications of peptide-based self-assembled materials in unconventional fields are also highlighted, such as photoluminescent peptide nanostructures, artificial photosynthetic peptide nanomaterials, and lithium-ion battery components. The relation of such functional materials to the rapidly progressing biomedical applications of peptide self-assembly, which include biosensors/chips and regenerative medicine, are discussed. The combination of strategies shown in these applications would further promote the discovery of novel, functional, small materials.
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Affiliation(s)
- Sungjin Kim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 335 Science Road, Daejeon, 305-701, Republic of Korea
| | - Jae Hong Kim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 335 Science Road, Daejeon, 305-701, Republic of Korea
| | - Joon Seok Lee
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 335 Science Road, Daejeon, 305-701, Republic of Korea
| | - Chan Beum Park
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 335 Science Road, Daejeon, 305-701, Republic of Korea
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17
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18
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Sustained and controlled release of lipophilic drugs from a self-assembling amphiphilic peptide hydrogel. Int J Pharm 2014; 474:103-11. [PMID: 25148727 DOI: 10.1016/j.ijpharm.2014.08.025] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2014] [Revised: 08/12/2014] [Accepted: 08/14/2014] [Indexed: 01/27/2023]
Abstract
Materials which undergo self-assembly to form supramolecular structures can provide alternative strategies to drug loading problems in controlled release application. RADA 16 is a simple and versatile self-assembling peptide with a designed structure formed of two distinct surfaces, one hydrophilic and one hydrophobic that are positioned in such a well-ordered fashion allowing precise assembly into a predetermined organization. A "smart" architecture in nanostructures can represent a good opportunity to use RADA16 as a carrier system for hydrophobic drugs solving problems of drugs delivery. In this work, we have investigated the diffusion properties of Pindolol, Quinine and Timolol maleate from RADA16 in PBS and in BSS-PLUS at 37°C. A sustained, controlled, reproducible and efficient drug release has been detected for all the systems, which allows to understand the dependence of release kinetics on the physicochemical characteristics of RADA16 structural and chemical properties of the selected drugs and the nature of solvents used. For the analysis various physicochemical characterization techniques were used in order to investigate the state of the peptide before and after the drugs were added. Not only does RADA16 optimise drug performance, but it can also provide a solution for drug delivery issues associated with lipophilic drugs.
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19
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Ashwanikumar N, Kumar NA, Nair SA, Kumar GSV. Phenylalanine-containing self-assembling peptide nanofibrous hydrogel for the controlled release of 5-fluorouracil and leucovorin. RSC Adv 2014. [DOI: 10.1039/c4ra04393f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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20
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Liang H, Zeng G, Li Y, Zhang S, Zhao H, Guo L, Liu B, Dong M. Exploring the complex mechanical properties of xanthan scaffolds by AFM-based force spectroscopy. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2014; 5:365-373. [PMID: 24778961 PMCID: PMC3999747 DOI: 10.3762/bjnano.5.42] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2013] [Accepted: 03/11/2014] [Indexed: 06/03/2023]
Abstract
The polysaccharide xanthan has been extensively studied owing to its potential application in tissue engineering. In this paper, xanthan scaffold structures were investigated by atomic force microscope (AFM) in liquid, and the mechanical properties of the complex xanthan structures were investigated by using AFM-based force spectroscopy (FS). In this work, three types of structures in the xanthan scaffold were identified based on three types of FS stretching events. The fact that the complex force responses are the combinations of different types of stretching events suggests complicated intermolecular interactions among xanthan fibrils. The results provide crucial information to understand the structures and mechanical properties of the xanthan scaffold.
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Affiliation(s)
- Hao Liang
- Institute of Photo-biophysics, School of Physics and Electronics, Henan University, Kaifeng, 475004 Henan, PR China
| | - Guanghong Zeng
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, DK-8000 Aarhus, Denmark
| | - Yinli Li
- Institute of Photo-biophysics, School of Physics and Electronics, Henan University, Kaifeng, 475004 Henan, PR China
| | - Shuai Zhang
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, DK-8000 Aarhus, Denmark
| | - Huiling Zhao
- Institute of Photo-biophysics, School of Physics and Electronics, Henan University, Kaifeng, 475004 Henan, PR China
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, DK-8000 Aarhus, Denmark
| | - Lijun Guo
- Institute of Photo-biophysics, School of Physics and Electronics, Henan University, Kaifeng, 475004 Henan, PR China
| | - Bo Liu
- Institute of Photo-biophysics, School of Physics and Electronics, Henan University, Kaifeng, 475004 Henan, PR China
| | - Mingdong Dong
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, DK-8000 Aarhus, Denmark
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21
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Zhao Y, Ji T, Wang H, Li S, Zhao Y, Nie G. Self-assembled peptide nanoparticles as tumor microenvironment activatable probes for tumor targeting and imaging. J Control Release 2014; 177:11-9. [DOI: 10.1016/j.jconrel.2013.12.037] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2013] [Revised: 12/30/2013] [Accepted: 12/31/2013] [Indexed: 02/04/2023]
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22
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Silva RF, Araújo DR, Silva ER, Ando RA, Alves WA. L-diphenylalanine microtubes as a potential drug-delivery system: characterization, release kinetics, and cytotoxicity. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:10205-12. [PMID: 23879638 DOI: 10.1021/la4019162] [Citation(s) in RCA: 105] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Microtubes obtained from the self-assembly of L-diphenylalanine (FF-MTs) were evaluated as potential vehicles for drug delivery. The biological marker Rhodamine B (RhB) was chosen as a model drug and conjugated to the peptide arrays during self-organization in the liquid phase. Microscopy and X-ray studies were performed to provide morphological and structural information. The data revealed that the cargo was distributed either in small aggregates at the hydrophobic surface of the FF-MTs or homogeneously embedded in the structure, presumably anchored at polar sites in the matrix. Raman spectroscopy revealed notable shifts of the characteristic RhB resonance peaks, demonstrating the successful conjugation of the fluorophore and peptide assemblies. In vitro assays were conducted in erythrocytes and fibroblast cells. Interestingly, FF-MTs were found to modulate the release of the load. The release of RhB from the FF-MTs followed first-order kinetics with a steady-state profile, demonstrating the potential of these carriers to deliver drugs at constant rates in the body. Cytotoxicity investigations revealed high cell viability up to concentrations of 5 mg mL(-1), demonstrating the low toxicity of the FF-MTs.
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Affiliation(s)
- Rondes F Silva
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, 09210-170 Santo André, SP, Brazil
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23
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Pan H, Hao S, Zheng Q, Li J, Zheng J, Hu Z, Yang S, Guo X, Yang Q. Bone induction by biomimetic PLGA copolymer loaded with a novel synthetic RADA16-P24 peptide in vivo. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2013; 33:3336-45. [PMID: 23706219 DOI: 10.1016/j.msec.2013.04.019] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2012] [Revised: 03/05/2013] [Accepted: 04/07/2013] [Indexed: 12/23/2022]
Abstract
Bone morphogenetic protein-2 (BMP-2) is a key bone morphogenetic protein, and poly(lactic-co-glycolic acid) (PLGA) has been widely used as scaffold for clinical use to carry treatment protein. In the previous studies, we have synthesized BMP-2-related peptide (P24) and found its capacity of inducing bone regeneration. In this research, we have synthesized a new amphiphilic peptide Ac-RADA RADA RADA RADA S[PO4]KIPKASSVPTELSAISTLYLDDD-CONH2 (RADA16-P24) with an assembly peptide RADA16-Ion the P24 item of BMP2 to form divalent ion-induced gelatin. Two methods of physisorption and chemical cross-linking were used to bind RADA16-P24 onto the surface of the copolymer PLGA to synthesize RADA16-P24-PLGA, and its capacity of attaching bone marrow stromal cells (BMSCs) was evaluated in vitro and inducing ectopic bone formation was examined in vivo. In vitro our results demonstrated that RADA16-P24-PLGA copolymer prepared by physisorbing or prepared by chemical cross-linking had a peptide binding rate of (2.0180±0.5296)% or (10.0820±0.8405)% respectively (P<0.05). In addition the BMSCs proliferated vigorously in the RADA16-P24-PLGA biomaterials. Significantly the percentage of BMSCs attached to RADA16-P24-PLGA composite prepared by chemical cross-linking and physisorbing were (71.4±7.5) % or (46.7±5.8) % (P<0.05). The in vivo study showed that RADA16-P24-PLGA chemical cross-linking could better induce ectopic bone formation compared with RADA16-P24-PLGA physisorbing and PLGA. It is concluded that the PLGA copolymer is a good RADA16-P24 carrier. This novel RADA16-P24-PLGA composite has strong osteogenic capability.
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Affiliation(s)
- Haitao Pan
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, People's Republic of China
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24
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Abstract
For many years, peptides have been known to self-assemble to form nano- and micro-scale structures. Their nature of assembly and assembled morphology has since been investigated as this area of research has important implications for the development of both drug delivery and tissue regeneration. In this article, we explore the process of peptide self-assembly in vivo, and experiments that exploit the structures formed. Particular focus is directed towards diphenylalanine, the simplest self-assembling peptide, which generally forms tube-like structures on assembly. In addition, different peptides that may assemble into a range of other morphologies are highlighted and potential applications in regenerative medicine and drug delivery discussed.
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25
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Zarzhitsky S, Rapaport H. The interactions between doxorubicin and amphiphilic and acidic β-sheet peptides towards drug delivery hydrogels. J Colloid Interface Sci 2011; 360:525-31. [DOI: 10.1016/j.jcis.2011.04.091] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2011] [Revised: 04/20/2011] [Accepted: 04/21/2011] [Indexed: 10/18/2022]
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26
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PDLLA/chondroitin sulfate/chitosan/NGF conduits for peripheral nerve regeneration. Biomaterials 2011; 32:4506-16. [PMID: 21397324 DOI: 10.1016/j.biomaterials.2011.02.023] [Citation(s) in RCA: 82] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2010] [Accepted: 02/12/2011] [Indexed: 01/10/2023]
Abstract
Biodegradable PDLLA/Chondroitin sulfate/Chitosan(PDLLA/CS/CHS) nerve conduits with potentially good biocompatibility and good mechanical property feasible for surgical manipulation have been developed in our previous work. The purpose of this study was to investigate their possible application in repairing damaged nerves and the effect of nerve growth factor (NGF). The PDLLA/CS/CHS/NGF nerve conduits were prepared by immobilizing NGF onto the PDLLA/CS/CHS nerve conduits with carbodiimide. Adult Sprague-Dawley (SD) rats weighing 200-250 g were used as the animal model. The conduits were employed to bridge the 10 mm defects in the sciatic nerve of the SD rats. Nerve conduction velocities (NCVs) were clearly detected in both nerve conduits after 3 months of implantation, indicating a rapid functional recovery for the disrupted nerves. The results of histological sections showed that the internal sides of the conduits were compact enough to prevent the connective tissues from ingrowth. Combined with the strong mechanical properties, good nerve regeneration ability and non-toxicity of its degradation products, PDLLA/CS/CHS nerve conduits would be expected to be useful materials to repair nerve damage and NGF can effectively promote the regeneration of peripheral nerve defect.
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27
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Vázquez E, Villaverde A. Engineering building blocks for self-assembling protein nanoparticles. Microb Cell Fact 2010; 9:101. [PMID: 21192790 PMCID: PMC3022712 DOI: 10.1186/1475-2859-9-101] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2010] [Accepted: 12/30/2010] [Indexed: 12/14/2022] Open
Abstract
Like natural viruses, manmade protein cages for drug delivery are to be ideally formed by repetitive subunits with self-assembling properties, mimicking viral functions and molecular organization. Naturally formed nanostructures (such as viruses, flagella or simpler protein oligomers) can be engineered to acquire specific traits of interest in biomedicine, for instance through the addition of cell targeting agents for desired biodistribution and specific delivery of associated drugs. However, fully artificial constructs would be highly desirable regarding finest tuning and adaptation to precise therapeutic purposes. Although engineering of protein assembling is still in its infancy, arising principles and promising strategies of protein manipulation point out the rational construction of nanoscale protein cages as a feasible concept, reachable through conventional recombinant DNA technologies and microbial protein production.
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Affiliation(s)
- Esther Vázquez
- Institute for Biotechnology and Biomedicine, Universitat Autònoma de Barcelona, Bellaterra, 08193 Barcelona, Spain
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28
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Zhao Y, Tanaka M, Kinoshita T, Higuchi M, Tan T. Self-assembling peptide nanofiber scaffolds for controlled release governed by gelator design and guest size. J Control Release 2010; 147:392-9. [PMID: 20709121 DOI: 10.1016/j.jconrel.2010.08.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2010] [Revised: 07/22/2010] [Accepted: 08/06/2010] [Indexed: 11/24/2022]
Abstract
The aim of this study was to develop controlled drug delivery by network scaffolds based on self-assembling peptide RADAFI and RADAFII. These two peptides self-assembled into interconnected nanofibrilar network structures with distinct physical morphologies. The hydrogels were also utilized for entrapment and release of some model guests, promising their future application as a drug delivery vehicle. Fickian diffusion controlled the release kinetics. Furthermore, the obtained release function was dependent on both rational design of the peptides used for hydrogel formation and choice of the entrapped molecules. On the basis of the striking different releases of these two peptide scaffolds, we suggested that guest size and lipophilicity influenced the release competitively. The release of RADAFI system was dominated by guest size, and the guest lipophilicity controlled the release behavior in RADAFII system. In a word, this work would potentially provide a spatially and temporally controlled delivery system for some functional drugs in the future.
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Affiliation(s)
- Ying Zhao
- Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
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