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Zhang J, Wang L, Ding M, You X, Wu J, Pang J. Impact of Poly(Ester Amide) Structure on Properties and Drug Delivery for Prostate Cancer Therapy. BME FRONTIERS 2023; 4:0025. [PMID: 37849660 PMCID: PMC10414751 DOI: 10.34133/bmef.0025] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Accepted: 07/18/2023] [Indexed: 10/19/2023] Open
Abstract
Objective: We aim to develop a polymer library consisting of phenylalanine-based poly(ester amide)s (Phe-PEAs) for cancer therapy and investigate the structure-property relationship of these polymers to understand their impact on the drug delivery efficiency of corresponding nanoparticles (NPs). Impact Statement: Our study provides insights into the structure-property relationship of polymers in NP-based drug delivery applications and offers a potential polymer library and NP platform for enhancing cancer therapy. Introduction: Polymer NP-based drug delivery systems have demonstrated substantial potential in cancer therapy by improving drug efficacy and minimizing systemic toxicity. However, successful design and optimization of these systems require a comprehensive understanding of the relationship between polymer structure and physicochemical properties, which directly influence the drug delivery efficiency of the corresponding NPs. Methods: A series of Phe-PEAs with tunable structures was synthesized by varying the length of the methylene group in the diol part of the polymers. Subsequently, Phe-PEAs were formulated into NPs for doxorubicin (DOX) delivery in prostate cancer therapy. Results: Small adjustments in polymer structure induced the changes in the hydrophobicity and thermal properties of the PEAs, consequently NP size, drug loading capacity, cellular uptake efficacy, and cytotoxicity. Additionally, DOX-loaded Phe-PEA NPs demonstrated enhanced tumor suppression and reduced side effects in prostate tumor-bearing mice. Conclusion: Phe-PEAs, with their finely tunable structures, show great promise as effective and customizable nanocarriers for cancer therapy.
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Affiliation(s)
- Junfu Zhang
- Department of Urology, Kidney and Urology Center, Pelvic Floor Disorders Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China
| | - Liying Wang
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China
| | - Mengting Ding
- Department of Urology, Kidney and Urology Center, Pelvic Floor Disorders Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China
| | - Xinru You
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Jun Wu
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China
- Bioscience and Biomedical Engineering Thrust, The Hong Kong University of Science and Technology (Guangzhou), Nansha, Guangzhou 511400, China
- Division of Life Science, The Hong Kong University of Science and Technology, Hong Kong SAR, China
| | - Jun Pang
- Department of Urology, Kidney and Urology Center, Pelvic Floor Disorders Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China
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2
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Hu Y, Yin X, Ding H, Kang M, Liang S, Wei Y, Huang D. Multilayer functional bionic fabricated polycaprolactone based fibrous membranes for osteochondral integrated repair. Colloids Surf B Biointerfaces 2023; 225:113279. [PMID: 36989815 DOI: 10.1016/j.colsurfb.2023.113279] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 03/20/2023] [Accepted: 03/22/2023] [Indexed: 03/30/2023]
Abstract
Osteochondral defect repair is one of the challenging problems in orthopedics. In this study, a multilayer polycaprolactone (PCL) based fibrous membrane for osteochondral defect repair was biomimetically fabricated by combining self-induced crystallization, biomimetic mineralization and layer-by-layer electrospinning techniques. The multilayer functional bionic fibrous membrane consisted of cartilage repair layer, intermediate transition repair layer and subchondral bone repair layer. Glucosamine hydrochloride (GAH) encapsulated in core-shell structured PCL fibrous membrane (MGPCL) was suitable for cartilage repair. Shish-kebab (SK) structured PCL fibrous membrane with calcium phosphate coating (MSKPCL) was designed for subchondral bone repair. SK structured MGPCL fibrous membrane (SKMGPCL) was used as intermediate transition repair. The tensile modulus of MG/SKMG/MSKPCL fibrous membrane was 34.24 ± 2.39 MPa which met the requirements of cartilage and subchondral bone repair scaffolds, and in vitro culture results showed that MG/SKMG/MSKPCL fibrous membrane had good biological activity and osteogenic ability. These results showed that MG/SKMG/MSKPCL fibrous membrane provides a promising material basis for osteochondral integrated repair scaffold.
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Affiliation(s)
- Yinchun Hu
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China; Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, PR China.
| | - Xiangfei Yin
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Huixiu Ding
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Min Kang
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Shan Liang
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Yan Wei
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China; Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, PR China
| | - Di Huang
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China; Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, PR China
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Graván P, Aguilera-Garrido A, Marchal JA, Navarro-Marchal SA, Galisteo-González F. Lipid-core nanoparticles: Classification, preparation methods, routes of administration and recent advances in cancer treatment. Adv Colloid Interface Sci 2023; 314:102871. [PMID: 36958181 DOI: 10.1016/j.cis.2023.102871] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 02/03/2023] [Accepted: 03/06/2023] [Indexed: 03/11/2023]
Abstract
Nanotechnological drug delivery platforms represent a new paradigm for cancer therapeutics as they improve the pharmacokinetic profile and distribution of chemotherapeutic agents over conventional formulations. Among nanoparticles, lipid-based nanoplatforms possessing a lipid core, that is, lipid-core nanoparticles (LCNPs), have gained increasing interest due to lipid properties such as high solubilizing potential, versatility, biocompatibility, and biodegradability. However, due to the wide spectrum of morphologies and types of LCNPs, there is a lack of consensus regarding their terminology and classification. According to the current state-of-the-art in this critical review, LCNPs are defined and classified based on the state of their lipidic components in liquid lipid nanoparticles (LLNs). These include lipid nanoemulsions (LNEs) and lipid nanocapsules (LNCs), solid lipid nanoparticles (SLNs) and nanostructured lipid nanocarriers (NLCs). In addition, we present a comprehensive and comparative description of the methods employed for their preparation, routes of administration and the fundamental role of physicochemical properties of LCNPs for efficient antitumoral drug-delivery application. Market available LCNPs, clinical trials and preclinical in vivo studies of promising LCNPs as potential treatments for different cancer pathologies are summarized.
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Affiliation(s)
- Pablo Graván
- Department of Applied Physics, Faculty of Science, University of Granada, 18071 Granada, Spain; Department of Human Anatomy and Embryology, Faculty of Medicine, University of Granada, 18016 Granada, Spain; Instituto de Investigación Biosanitaria de Granada ibs.GRANADA, 18012 Granada, Spain; Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research (CIBM), University of Granada, 18016 Granada, Spain; Excellence Research Unit Modelling Nature (MNat), University of Granada, 18016 Granada, Spain; BioFab i3D - Biofabrication and 3D (bio)printing laboratory, University of Granada, 18100 Granada, Spain
| | - Aixa Aguilera-Garrido
- Department of Applied Physics, Faculty of Science, University of Granada, 18071 Granada, Spain
| | - Juan Antonio Marchal
- Department of Human Anatomy and Embryology, Faculty of Medicine, University of Granada, 18016 Granada, Spain; Instituto de Investigación Biosanitaria de Granada ibs.GRANADA, 18012 Granada, Spain; Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research (CIBM), University of Granada, 18016 Granada, Spain; Excellence Research Unit Modelling Nature (MNat), University of Granada, 18016 Granada, Spain; BioFab i3D - Biofabrication and 3D (bio)printing laboratory, University of Granada, 18100 Granada, Spain
| | - Saúl A Navarro-Marchal
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research (CIBM), University of Granada, 18016 Granada, Spain; Excellence Research Unit Modelling Nature (MNat), University of Granada, 18016 Granada, Spain; Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, EH4 2XU Edinburgh, UK.
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Effects of Polymer Molecular Weight on In Vitro and In Vivo Performance of Nanoparticle Drug Carriers for Lymphoma Therapy. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.07.063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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5
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Abstract
Biodegradable and biocompatible biomaterials have offered much more opportunities from an engineering standpoint for treating diseases and maintaining health. Poly(ester amide)s (PEAs), as an outstanding family among such biomaterials, have risen overwhelmingly in the past decades. These synthetic polymers have easily and widely available raw materials and a diversity of synthetic approaches, which have attracted considerable attention. More importantly, combining the superiorities of polyamides and polyesters, PEAs have emerged with better functions. They could have improved biodegradability, biocompatibility, and cell-material interactions. The PEAs derived from α-amino acids even allow the introduction of pendant sites for further modification or functionalization. Meanwhile, it is gradually recognized that the chemical structures are closely related to the physiochemical and biological properties of PEAs so that their properties can be precisely controlled. PEAs therefore become significant materials in the biomedical fields. This review will attempt to summarize the recent progress in the development of PEAs with respect to the preparation materials and methods, structure-property relationships along with their latest biomedical accomplishments, especially for drug delivery and tissue engineering.
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Affiliation(s)
- Shuyan Han
- School of Biomedical Engineering, Sun Yat-sen University, Shenzhen 518057, People's Republic of China
| | - Jun Wu
- School of Biomedical Engineering, Sun Yat-sen University, Shenzhen 518057, People's Republic of China
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6
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Li C, You X, Xu X, Wu B, Liu Y, Tong T, Chen J, Li Y, Dai C, Ye Z, Tian X, Wei Y, Hao Z, Jiang L, Wu J, Zhao M. A Metabolic Reprogramming Amino Acid Polymer as an Immunosurveillance Activator and Leukemia Targeting Drug Carrier for T-Cell Acute Lymphoblastic Leukemia. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2104134. [PMID: 35080145 PMCID: PMC8948613 DOI: 10.1002/advs.202104134] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 12/14/2021] [Indexed: 05/10/2023]
Abstract
Compromised immunosurveillance leads to chemotherapy resistance and disease relapse of hematological malignancies. Amino acid metabolism regulates immune responses and cancer; however, a druggable amino acid metabolite to enhance antitumor immunosurveillance and improve leukemia targeting-therapy efficacy remains unexplored. Here, an L-phenylalanine polymer, Metabolic Reprogramming Immunosurveillance Activation Nanomedicine (MRIAN), is invented to effectively target bone marrow (BM) and activate the immune surveillance in T-cell acute lymphoblastic leukemia (T-ALL) by inhibiting myeloid-derived suppressor cells (MDSCs) in T-ALL murine model. Stable-isotope tracer and in vivo drug distribution experiments show that T-ALL cells and MDSCs have enhanced cellular uptake of L-phenylalanine and MRIANs than normal hematopoietic cells and progenitors. Therefore, MRIAN assembled Doxorubicin (MRIAN-Dox) specifically targets T-ALL cells and MDSCs but spare normal hematopoietic cells and hematopoietic stem and progenitor cells with enhanced leukemic elimination efficiency. Consequently, MRIAN-Dox has reduced cardiotoxicity and myeloablation side effects in treating T-ALL mice. Mechanistically, MRIAN degrades into L-phenylalanine, which inhibits PKM2 activity and reduces ROS levels in MDSCs to disturb their immunosuppressive function and increase their differentiation toward normal myeloid cells. Overall, a novel amino acid metabolite nanomedicine is invented to treat T-ALL through the combination of leukemic cell targeting and immunosurveillance stimulation.
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Affiliation(s)
- Changzheng Li
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat‐Sen Memorial HospitalSun Yat‐sen UniversityGuangzhouGuangdongChina
- Key Laboratory of Stem Cells and Tissue Engineering (Ministry of Education)Zhongshan School of MedicineSun Yat‐sen UniversityGuangzhouGuangdongChina
| | - Xinru You
- School of Biomedical EngineeringSun Yat‐sen UniversityShenzhenGuangdongChina
| | - Xi Xu
- Department of HematologyNanfang HospitalSouthern Medical UniversityGuangzhouGuangdongChina
| | - Binghuo Wu
- Key Laboratory of Stem Cells and Tissue Engineering (Ministry of Education)Zhongshan School of MedicineSun Yat‐sen UniversityGuangzhouGuangdongChina
| | - Yuye Liu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat‐Sen Memorial HospitalSun Yat‐sen UniversityGuangzhouGuangdongChina
| | - Tong Tong
- School of Biomedical EngineeringSun Yat‐sen UniversityShenzhenGuangdongChina
| | - Jie Chen
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat‐Sen Memorial HospitalSun Yat‐sen UniversityGuangzhouGuangdongChina
| | - Yishan Li
- Key Laboratory of Stem Cells and Tissue Engineering (Ministry of Education)Zhongshan School of MedicineSun Yat‐sen UniversityGuangzhouGuangdongChina
| | - Chunlei Dai
- School of Biomedical EngineeringSun Yat‐sen UniversityShenzhenGuangdongChina
| | - Zhitao Ye
- Key Laboratory of Stem Cells and Tissue Engineering (Ministry of Education)Zhongshan School of MedicineSun Yat‐sen UniversityGuangzhouGuangdongChina
| | - Xiaobin Tian
- Key Laboratory of Stem Cells and Tissue Engineering (Ministry of Education)Zhongshan School of MedicineSun Yat‐sen UniversityGuangzhouGuangdongChina
| | - Yan Wei
- Key Laboratory of Stem Cells and Tissue Engineering (Ministry of Education)Zhongshan School of MedicineSun Yat‐sen UniversityGuangzhouGuangdongChina
| | - Zechen Hao
- Key Laboratory of Stem Cells and Tissue Engineering (Ministry of Education)Zhongshan School of MedicineSun Yat‐sen UniversityGuangzhouGuangdongChina
| | - Linjia Jiang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat‐Sen Memorial HospitalSun Yat‐sen UniversityGuangzhouGuangdongChina
| | - Jun Wu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat‐Sen Memorial HospitalSun Yat‐sen UniversityGuangzhouGuangdongChina
- School of Biomedical EngineeringSun Yat‐sen UniversityShenzhenGuangdongChina
| | - Meng Zhao
- Key Laboratory of Stem Cells and Tissue Engineering (Ministry of Education)Zhongshan School of MedicineSun Yat‐sen UniversityGuangzhouGuangdongChina
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7
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Gao Z, Huang J, Xie Z, Xin P, Huang H, Du T, Wu J, Huang H. Delivery of enzalutamide via nanoparticles for effectively inhibiting prostate cancer progression. Biomater Sci 2022; 10:5187-5196. [PMID: 35833529 DOI: 10.1039/d2bm00697a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Androgen deprivation therapy has been used as a standard clinical treatment for prostate cancer, but the disease generally progresses to castration-resistant prostate cancer in a very short time. Enzalutamide (ENZ)...
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Affiliation(s)
- Ze Gao
- Department of Urology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
| | - Jun Huang
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Engineering, Sun Yat-Sen University, Guangzhou, China.
| | - Zhaoxiang Xie
- Department of Urology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
| | - Peikun Xin
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Engineering, Sun Yat-Sen University, Guangzhou, China.
| | - Hao Huang
- Department of Urology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
| | - Tao Du
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
- Department of Obstetrics and Gynecology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Jun Wu
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Engineering, Sun Yat-Sen University, Guangzhou, China.
| | - Hai Huang
- Department of Urology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
- Department of Urology, The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, China
- Guangdong Provincial Clinical Research Center for Urological Diseases, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
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8
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Wang XS, Yang JM, Ding RJ, Liu XZ, Jiang XB, Yang ZJ, Ling ZM, Hu TX, Wei FX. Fabrication of a Polylactide-Glycolide/Poly-ε-Caprolactone/Dextran/Plastrum Testudinis Extract Composite Anti-Inflammation Nanofiber Membrane via Electrospinning for Annulus Fibrosus Regeneration. J Biomed Nanotechnol 2021; 17:873-888. [PMID: 34082873 DOI: 10.1166/jbn.2021.3070] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Tissue engineering is a promising approach for the treatment of chronic lower back pain (LBP) caused by intervertebral disc degeneration (IDD) resulting from degeneration and inflammation of annulus fibrosus (AF) tissue. However, scaffold with an anti-inflammatory effect on AF cells has not been reported. In this study, we fabricated a polylactide-glycolide (PLGA)/poly-ε-caprolactone (PCL)Zdextran (DEX) composite membrane loaded with plastrum testudinis extract (PTE), a Traditional Chinese Medicine herbal extract, via electrospinning. The membranes were characterized by mechanical measurements and scanning electron microscopy (SEM). Using an in vitro inflammation model induced by interleukin (IL)-1β, the cytocompatibility and anti-inflammatory effects of the composites were investigated by CCK-8 assay and flow cytometry. Potential regulatory mechanisms were examined by RT-qPCR and Western blotting. The results showed that the P10P8D2 (PLGA 10 g, PCL 8 g, DEX 2 g) composite nanofiber membrane exhibited the most uniform diameter distribution, best mechanical properties, a moderate degradation rate, and the best cytocompatibility characteristics. The optimal concentration of PTE was 120 µg/mL. Importantly, P10P8D2 combined with PTE exhibited anti-inflammatory and cell proliferation promotion effects. Moreover, the NF-κBB/NLRP3/IL-β signaling pathway was inactivated. Our findings suggested that the nanofiber membrane composed of P10P8D2 and PTE has anti-inflammatory and pro-proliferation effects on AF cells. It may provide an effective strategy for AF tissue regeneration.
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Affiliation(s)
- Xiao-Shuai Wang
- Department of Orthopaedics, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen 518107, P. R. China
| | - Jia-Ming Yang
- Department of Orthopaedics, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen 518107, P. R. China
| | - Ren-Jie Ding
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510030, P. R. China
| | - Xi-Zhe Liu
- Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510030, P. R. China.,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology Orthopaedic Research Institute, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510030, P. R. China
| | - Xiao-Bing Jiang
- Department of Spinal Surgery, The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510080, P. R. China
| | - Zhi-Jian Yang
- Department of Joint Surgery, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510030, P. R. China
| | - Ze-Min Ling
- Department of Spine Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510030, P. R. China.,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology Orthopaedic Research Institute, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510030, P. R. China
| | - Tian-Xue Hu
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510030, P. R. China
| | - Fu-Xin Wei
- Department of Orthopaedics, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen 518107, P. R. China
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Li X, Wang L, Wang L, Yu J, Lu G, Zhao W, Miao C, Zou C, Wu J. Overcoming therapeutic failure in osteosarcoma via Apatinib-encapsulated hydrophobic poly(ester amide) nanoparticles. Biomater Sci 2021; 8:5888-5899. [PMID: 33001086 DOI: 10.1039/d0bm01296c] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Anti-angiogenic tyrosine kinase inhibitors (TKIs) have been proved to be effective in prolonging progression-free survival in advanced osteosarcoma. However, osteosarcoma stem-like cells persist for a long time and ultimately cause disease recurrence and therapy resistance. Here, we reveal that inefficient accumulation of Apatinib, an anti-angiogenic TKI, induces the expression of ribosome-associated genes in osteosarcoma, and confers apoptosis resistance. An engineered nanoscale delivery system based on hydrophobic poly(ester amide) has been established to effectively deliver Apatinib to improve the treatment. Notably, the considerable uptake by osteosarcoma cells enables this nanodrug to distribute increasingly inside the tumor. Furthermore, the delivered nano-Apatinib can suppress osteosarcoma stemness and enhance osteosarcoma stem-like cell apoptosis, and overcomes the crucial bottleneck of the unfavorable stem-like cell residue for TKI therapy. Importantly, nano-Apatinib significantly inhibits the osteosarcoma stem-like cell-derived tumor growth in contrast with free Apatinib, with minimal side effects. These results suggest that this Apatinib-loaded nano delivery system may serve as a promising strategy to solve the issue of TKI therapeutic resistance existing in advanced osteosarcoma.
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Affiliation(s)
- Xiangyu Li
- The Stem Cell and Tissue Engineering Research Center, Changzhi Medical College, Changzhi, Shanxi 046000, P. R. China.
| | - Liying Wang
- School of Biomedical Engineering, Sun Yat-Sen University, Guangzhou 510006, China.
| | - Li Wang
- Key Laboratory of Stem Cells and Tissue Engineering (Sun Yat-Sen University), Ministry of Education, Guangzhou 510080, China
| | - Jiaming Yu
- Key Laboratory of Stem Cells and Tissue Engineering (Sun Yat-Sen University), Ministry of Education, Guangzhou 510080, China
| | - Guohao Lu
- Key Laboratory of Stem Cells and Tissue Engineering (Sun Yat-Sen University), Ministry of Education, Guangzhou 510080, China
| | - Wei Zhao
- Key Laboratory of Stem Cells and Tissue Engineering (Sun Yat-Sen University), Ministry of Education, Guangzhou 510080, China
| | - Congxiu Miao
- The Stem Cell and Tissue Engineering Research Center, Changzhi Medical College, Changzhi, Shanxi 046000, P. R. China.
| | - Changye Zou
- Musculoskeletal Oncology Center, the First Affiliated Hospital of Sun Yat-Sen University, Guangzhou 510080, China.
| | - Jun Wu
- The Stem Cell and Tissue Engineering Research Center, Changzhi Medical College, Changzhi, Shanxi 046000, P. R. China. and School of Biomedical Engineering, Sun Yat-Sen University, Guangzhou 510006, China.
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10
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Siddiqui N, Kishori B, Rao S, Anjum M, Hemanth V, Das S, Jabbari E. Electropsun Polycaprolactone Fibres in Bone Tissue Engineering: A Review. Mol Biotechnol 2021; 63:363-388. [PMID: 33689142 DOI: 10.1007/s12033-021-00311-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Accepted: 02/20/2021] [Indexed: 01/17/2023]
Abstract
Regeneration of bone tissue requires novel load bearing, biocompatible materials that support adhesion, spreading, proliferation, differentiation, mineralization, ECM production and maturation of bone-forming cells. Polycaprolactone (PCL) has many advantages as a biomaterial for scaffold production including tuneable biodegradation, relatively high mechanical toughness at physiological temperature. Electrospinning produces nanofibrous porous matrices that mimic many properties of natural tissue extracellular matrix with regard to surface area, porosity and fibre alignment. The biocompatibility and hydrophilicity of PCL nanofibres can be improved by combining PCL with other biomaterials to form composite scaffolds for bone regeneration. This work reviews the most recent research on synthesis, characterization and cellular response to nanofibrous PCL scaffolds and the composites of PCL with other natural and synthetic materials for bone tissue engineering.
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Affiliation(s)
- Nadeem Siddiqui
- Department of Biotechnology, Koneru Lakshmaiah Education Foundation, Guntur, Andhra Pradesh, India.
| | - Braja Kishori
- Department of Biotechnology, Koneru Lakshmaiah Education Foundation, Guntur, Andhra Pradesh, India
| | - Saranya Rao
- Department of Biotechnology, Koneru Lakshmaiah Education Foundation, Guntur, Andhra Pradesh, India
| | - Mohammad Anjum
- Department of Biotechnology, Koneru Lakshmaiah Education Foundation, Guntur, Andhra Pradesh, India
| | - Venkata Hemanth
- Department of Biotechnology, Koneru Lakshmaiah Education Foundation, Guntur, Andhra Pradesh, India
| | - Swati Das
- Department of Genetic Engineering, SRM Institute of Science and Technology, Chennai, Tamil Nadu, India
| | - Esmaiel Jabbari
- Biomaterials and Tissue Engineering Laboratory, Department of Chemical Engineering, University of South Carolina, Columbia, SC, 29208, USA
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11
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Affiliation(s)
- Yabin Meng
- Department of Biomedical Engineering, School of EngineeringSun Yat‐sen University Guangzhou 510006 P. R. China
| | - Shuyan Han
- Department of Biomedical Engineering, School of EngineeringSun Yat‐sen University Guangzhou 510006 P. R. China
| | - Zhipeng Gu
- College of Polymer Science and EngineeringState Key Laboratory of Polymer Materials EngineeringSichuan University Chengdu 610065 P. R. China
| | - Jun Wu
- Department of Biomedical Engineering, School of EngineeringSun Yat‐sen University Guangzhou 510006 P. R. China
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12
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Munyaneza E, Donnadieu B, Scott CN. Synthesis and characterization of thermally stable bio-based poly(ester amide)s from sustainable feedstock. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.109228] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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13
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Ji Y, Li J, Zhao J, Shan S, Chu CC. A light-facilitated drug delivery system from a pseudo-protein/hyaluronic acid nanocomplex with improved anti-tumor effects. NANOSCALE 2019; 11:9987-10003. [PMID: 31080976 DOI: 10.1039/c9nr01909j] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Reduction-sensitive nanomedicine is a promising strategy to achieve controlled release of payloads in response to intracellular reductive milieu. However, endolysosomal sequestration of internalized carriers and insufficient redox potential in endolysosomes may delay the release of payloads and impact their therapeutic efficacy. Photochemical internalization (PCI), which takes advantage of light-induced endolysosomal rupture, is an effective technique for endosomal escape and cytosolic release of cargos. In this study, a biodegradable and reduction-sensitive nanocomplex was developed from arginine based poly(ester amide)s and hyaluronic acid (HA), and the PCI-photosensitizer AlPcS2a was conjugated to the surface of the nanocomplex (ArgPEA-ss-HA(AP)). This nanocomplex was used for the co-delivery of both PCI-photosensitizers and therapeutic agents to eliminate the biodistribution discrepancy resulting from the separated administration of free therapeutics. The PCI effect of the ArgPEA-ss-HA(AP) nanocomplex was validated in both monolayers and 3D spheroid models of MDA-MB-231 breast cancer cells. Synergism was detected between the PCI effect and doxorubicin-loaded nanocomplex in the inhibition of MDA-MB-231 cells. In addition, the ArgPEA-ss-HA(AP) nanocomplex also provided enhanced intratumoral penetration in 3D spheroids compared to free AlPcS2a. The in vivo results suggested that the conjugation of AlPCs2a in the nanocomplex enabled the consistent and preferential accumulation of both doxorubicin and AlPcS2a in tumor sites. A light-enhanced anti-tumor effect was observed for the doxorubicin-loaded nanocomplex at well-tolerable dosage. The ArgPEA-ss-HA(AP) nanocomplex, as a reduction-responsive delivery vehicle, can hold great potential to achieve spatio-temporally controllable anti-tumor effects.
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Affiliation(s)
- Ying Ji
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, New York 14853-4401, USA.
| | - Juan Li
- Key Laboratory of Biomedical Effects of Nanomaterial & Nanosafety, Institute of High Energy Physics, Chinese Academy of Science, Beijing 100049, PR China
| | - Jihui Zhao
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China
| | - Shuo Shan
- Biomedical Engineering Field. Meinig School of Biomedical Engineering, Cornell University, Ithaca, New York 14853-4401, USA
| | - Chih-Chang Chu
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, New York 14853-4401, USA. and Biomedical Engineering Field. Meinig School of Biomedical Engineering, Cornell University, Ithaca, New York 14853-4401, USA
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14
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Alapure BV, Lu Y, He M, Chu CC, Peng H, Muhale F, Brewerton YL, Bunnell B, Hong S. Accelerate Healing of Severe Burn Wounds by Mouse Bone Marrow Mesenchymal Stem Cell-Seeded Biodegradable Hydrogel Scaffold Synthesized from Arginine-Based Poly(ester amide) and Chitosan. Stem Cells Dev 2018; 27:1605-1620. [PMID: 30215325 PMCID: PMC6276600 DOI: 10.1089/scd.2018.0106] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 09/12/2018] [Indexed: 12/20/2022] Open
Abstract
Severe burns are some of the most challenging problems in clinics and still lack ideal modalities. Mesenchymal stem cells (MSCs) incorporated with biomaterial coverage of burn wounds may offer a viable solution. In this report, we seeded MSCs to a biodegradable hybrid hydrogel, namely ACgel, that was synthesized from unsaturated arginine-based poly(ester amide) (UArg-PEA) and chitosan derivative. MSC adhered to ACgels. ACgels maintained a high viability of MSCs in culture for 6 days. MSC seeded to ACgels presented well in third-degree burn wounds of mice at 8 days postburn (dpb) after the necrotic full-thickness skin of burn wounds was debrided and filled and covered by MSC-carrying ACgels. MSC-seeded ACgels promoted the closure, reepithelialization, granulation tissue formation, and vascularization of the burn wounds. ACgels alone can also promote vascularization but less effectively compared with MSC-seeded ACgels. The actions of MSC-seeded ACgels or ACgels alone involve the induction of reparative, anti-inflammatory interleukin-10, and M2-like macrophages, as well as the reduction of inflammatory cytokine TNFα and M1-like macrophages at the late inflammatory phase of burn wound healing, which provided the mechanistic insights associated with inflammation and macrophages in burn wounds. For the studied regimens of these treatments, no toxicity was identified to MSCs or mice. Our results indicate that MSC-seeded ACgels have potential use as a novel adjuvant therapy for severe burns to complement commonly used skin grafting and, thus, minimize the downsides of grafting.
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Affiliation(s)
- Bhagwat V. Alapure
- Neuroscience Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, Louisiana
| | - Yan Lu
- Neuroscience Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, Louisiana
| | - Mingyu He
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, New York
| | - Chih-Chang Chu
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, New York
- Department of Biomedical Engineering, Cornell University, Ithaca, New York
| | - Hongying Peng
- Department of Environmental Health, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Filipe Muhale
- Neuroscience Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, Louisiana
| | | | - Bruce Bunnell
- Center for Stem Cell Research and Regenerative Medicine, Tulane University School of Medicine, New Orleans, Louisiana
| | - Song Hong
- Neuroscience Center of Excellence, Louisiana State University Health Sciences Center, New Orleans, Louisiana
- Department of Ophthalmology, Louisiana State University Health Sciences Center, New Orleans, Louisiana
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15
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Malik P, Mukherjee TK. Recent advances in gold and silver nanoparticle based therapies for lung and breast cancers. Int J Pharm 2018; 553:483-509. [DOI: 10.1016/j.ijpharm.2018.10.048] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 10/20/2018] [Accepted: 10/20/2018] [Indexed: 02/06/2023]
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16
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Ji Y, Zhao J, Chu CC. Enhanced MHC-I antigen presentation from the delivery of ovalbumin by light-facilitated biodegradable poly(ester amide)s nanoparticles. J Mater Chem B 2018; 6:1930-1942. [PMID: 32254359 DOI: 10.1039/c7tb03233a] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The generation of CD8 T cells is crucial in adaptive immunity against cancer and many infectious diseases. Vaccines aimed to stimulate CD8 T cell response typically become ineffective because the antigens are subject to sequestration in endocytic compartments, instead of being delivered cytosolically for MHC-I processing and presentation. In this study, a nano-carrier (Arg-Phe-PEA(AP) nanoparticles) for ovalbumin (OVA) was developed from arginine- and phenylalanine-based poly(ester amide)s, which further formed an electrostatic complex with AlPcS2a, a typical photosensitizer for photochemical internalization (PCI) strategies. The nanocarrier significantly enhanced the internalization efficiency by dendritic cells of both OVA and AlPcS2a. The photochemical interruption of endocytic compartments by the AlPcS2a photosensitizer complexed in the nanocarrier enabled the light-facilitated endosomal escape of OVA. MHC-I presentation and CD8 T cell response were elicited by OVA-loaded Arg-Phe-PEA(AP) nanoparticles when light irradiation was applied at 660 nm. The light-facilitated delivery of OVA was dependent on the light dose and the concentration of the photosensitizer, both in vitro and in vivo. The optimized stimulation of MHC-I response demonstrated the potency of this light-facilitated nano-platform for CD8 T cell-inducing vaccination.
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Affiliation(s)
- Ying Ji
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, New York 14853-4401, USA
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17
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Chen X, Zhao L, Kang Y, He Z, Xiong F, Ling X, Wu J. Significant Suppression of Non-small-cell Lung Cancer by Hydrophobic Poly(ester amide) Nanoparticles with High Docetaxel Loading. Front Pharmacol 2018; 9:118. [PMID: 29541026 PMCID: PMC5835838 DOI: 10.3389/fphar.2018.00118] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 02/01/2018] [Indexed: 12/21/2022] Open
Abstract
Non-small-cell lung cancer (NSCLC) accounts for over 85% of clinical lung cancer cases, which is the leading cause of cancer-related death. To develop new therapeutic strategy for NSCLC, a library of L-phenylalanine-based poly(ester amide) (Phe-PEA) polymers was synthesized and assembled with docetaxel (Dtxl) to form Dtxl-loaded Phe-PEA nanoparticles (NPs). The hydrophobic Phe-PEA polymers were able to form NPs by nanoprecipitation method and the characterization results showed that the screened Dtxl-8P4 NPs have small particle size (∼100 nm) and high Dtxl loading (∼20 wt%). In vitro experiments showed that Dtxl-8P4 NPs were rapidly trafficked into cancer cells, then effectively escaped from lysosomal degradation and achieved significant tumor cell inhibition. In vivo results demonstrated that Dtxl-8P4 NPs with prolonged blood circulation could efficiently deliver Dtxl to A549 tumor sites, leading to reduced cell proliferation, block metastasis, and increase apoptosis, then persistent inhibition of tumor growth. Therefore, Phe-PEA NPs are able to load high amount of hydrophobic drugs and could be a promising therapeutic approach for NSCLC and other cancer treatments.
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Affiliation(s)
- Xing Chen
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Engineering, Sun Yat-sen University, Guangzhou, China
| | - Lili Zhao
- Digestive Endoscopy Center, Jiangsu Province Hospital, Nanjing, China
| | - Yang Kang
- Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
| | - Zhiyu He
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Engineering, Sun Yat-sen University, Guangzhou, China
| | - Fei Xiong
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Engineering, Sun Yat-sen University, Guangzhou, China
| | - Xiang Ling
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Engineering, Sun Yat-sen University, Guangzhou, China
| | - Jun Wu
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Engineering, Sun Yat-sen University, Guangzhou, China
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18
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Jesus S, Soares E, Borchard G, Borges O. Adjuvant Activity of Poly-ε-caprolactone/Chitosan Nanoparticles Characterized by Mast Cell Activation and IFN-γ and IL-17 Production. Mol Pharm 2017; 15:72-82. [PMID: 29160080 DOI: 10.1021/acs.molpharmaceut.7b00730] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Polymeric nanoparticles (NPs) are extremely attractive vaccine adjuvants, able to promote antigen delivery and in some instances, exert intrinsic immunostimulatory properties that enhance antigen specific humoral and cellular immune responses. The poly-ε-caprolactone (PCL)/chitosan NPs were designed with the aim of being able to combine the properties of the 2 polymers in the preparation of an adjuvant for the hepatitis B surface antigen (HBsAg). This article reports important results of an in vitro mechanistic study and immunization studies with HBsAg associated with different concentrations of the nanoparticles. The results revealed that PCL/chitosan NPs promoted mast cell (MC) activation (β-hexosaminidase release) and that its adjuvant effect is not mediated by the TNF-α secretion. Moreover, we demonstrated that HBsAg loaded PCL/chitosan NPs, administered through the subcutaneous (SC) route, were able to induce higher specific antibody titers without increasing IgE when compared to a commercial vaccine, and that the IgG titers are nanoparticle-dose dependent. The results also revealed the NPs' capability to promote a cellular immune response against HBsAg, characterized by the production of IFN-γ and IL-17. These results demonstrated that PCL/chitosan NPs are a good hepatitis B antigen adjuvant, with direct influence on the intensity and type of the immune response generated.
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Affiliation(s)
- Sandra Jesus
- Faculty of Pharmacy, University of Coimbra , 3000-548 Coimbra, Portugal.,Center for Neuroscience and Cell Biology, University of Coimbra , 3000-548 Coimbra, Portugal
| | - Edna Soares
- Faculty of Pharmacy, University of Coimbra , 3000-548 Coimbra, Portugal.,Center for Neuroscience and Cell Biology, University of Coimbra , 3000-548 Coimbra, Portugal
| | - Gerrit Borchard
- School of Pharmaceutical Sciences, University of Geneva, Unssssiversity of Lausanne , 1211 Geneva, Switzerland
| | - Olga Borges
- Faculty of Pharmacy, University of Coimbra , 3000-548 Coimbra, Portugal.,Center for Neuroscience and Cell Biology, University of Coimbra , 3000-548 Coimbra, Portugal
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Ji Y, Shan S, He M, Chu CC. Inclusion complex from cyclodextrin-grafted hyaluronic acid and pseudo protein as biodegradable nano-delivery vehicle for gambogic acid. Acta Biomater 2017; 62:234-245. [PMID: 28859900 DOI: 10.1016/j.actbio.2017.08.036] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Revised: 08/23/2017] [Accepted: 08/28/2017] [Indexed: 01/26/2023]
Abstract
β-Cyclodextrin can form inclusion complex with a series of guest molecules including phenyl moieties, and has gained considerable popularity in the study of supramolecular nanostructure. In this study, a biodegradable nanocomplex (HA(CD)-4Phe4 nanocomplex) was developed from β-cyclodextrin grafted hyaluronic acid (HA) and phenylalanine based poly(ester amide). The phenylalanine based poly(ester amide) is a biodegradable pseudo protein which provides the encapsulation capacity for gambogic acid (GA), a naturally-derived chemotherapeutic which has been effectively employed to treat multidrug resistant tumor. The therapeutic potency of free GA is limited due to its poor solubility in water and the lack of tumor-selective toxicity. The nanocomplex carrier enhanced the solubility and availability of GA in aqueous media, and the HA component enabled the targeted delivery to tumor cells with overexpression of CD44 receptors. In the presence of hyaluronidase, the release of GA from the nanocomplex was significantly accelerated, due to the enzymatic biodegradation of the carrier. Compared to free GA, GA-loaded nanocomplex exhibited improved cytotoxicity in MDA-MB-435/MDR multidrug resistant melanoma cells, and induced enhanced level of apoptosis and mitochondrial depolarization, at low concentration of GA (1-2µM). The nanocomplex enhanced the therapeutic potency of GA, especially when diluted in physiological environment. In addition, suppressed matrix metalloproteinase activity was also detected in MDA-MB-435/MDR cells treated by GA-loaded nanocomplex, which demonstrated its potency in the inhibition of tumor metastasis. The in vitro data suggested that HA(CD)-4Phe4 nanocomplex could provide a promising alternative in the treatment of multidrug resistant tumor cells. STATEMENT OF SIGNIFICANCE Gambogic acid (GA), naturally derived from genus Garcinia trees, exhibited significant cytotoxic activity against multiple types of tumors with resistance to traditional chemotherapeutics. Unfortunately, the poor solubility of GA in conventional pharmaceutical solvents and non-targeted distribution in normal tissues greatly limited its therapeutic potency. To overcome the challenges, we develop a nanoplatform from the supramolecular assembly of β-cyclodextrin grafted hyaluronic acid (HA) and phenylalanine based pseudo protein. The pseudo protein in the nanocomplex provided the hydrophobic interaction and loading capacity for GA, while the HA component targeted the overexpressed CD44 receptor and improved the selective endocytosis in multidrug resistant melanoma cells. The supramolecular nanocomplex provide a promising platform for the delivery of hydrophobic chemotherapeutics to improve the bioavailability and efficiency.
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20
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Liu J, Wang P, Chu CC, Xi T. Arginine-leucine based poly (ester urea urethane) coating for Mg-Zn-Y-Nd alloy in cardiovascular stent applications. Colloids Surf B Biointerfaces 2017; 159:78-88. [PMID: 28780463 DOI: 10.1016/j.colsurfb.2017.07.031] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Revised: 06/09/2017] [Accepted: 07/10/2017] [Indexed: 12/11/2022]
Abstract
Selected from the family of self-designed biodegradable amino acid-based poly (ester urea urethane) (AA-PEUU) pseudo-protein biomaterials, arginine-leucine based poly (ester urea urethane)s (Arg-Leu-PEUUs) were used as protective and bio-functional coatings for bio-absorbable magnesium alloy MgZnYNd in cardiovascular stent applications. Comparing with poly (glycolide-co-lactide) (PLGA) coating, the Arg-Leu-PEUU coating had stronger bonding strength with the substrate; in vitro electrochemical and long-term immersion results verified a significantly better corrosion resistance. Acute blood contact tests proved a better hemocompatibility of Arg-Leu-PEUU coating. The immunofluorescent staining and cell proliferation test indicated that Arg-Leu-PEUU coating had a far better cytocompatibility. The Arg-Leu-PEUU coating stimulated human umbilical vein endothelial cells (HUVEC) to release reasonably increased amount of nitric oxide (NO), suggesting its potential in retarding thrombosis and restenosis. The superior corrosion resistance and biocompatibility as well as the indigenous NO production bio-functionality of the Arg-Leu-PEUU copolymer family indicate their capability to offer a far better protection of the magnesium-based implantable cardiovascular stent and bring their application closer to clinical reality.
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Affiliation(s)
- Jing Liu
- Institute of Biomedical Engineering, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin 300192, China; Center for Biomedical Materials and Tissue Engineering, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China; Department of Fiber Science and Apparel Design, and Biomedical Engineering Field, Cornell University, Ithaca, NY, 14853-4401, USA.
| | - Pei Wang
- Center for Biomedical Materials and Tissue Engineering, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Chih-Chang Chu
- Department of Fiber Science and Apparel Design, and Biomedical Engineering Field, Cornell University, Ithaca, NY, 14853-4401, USA
| | - Tingfei Xi
- Center for Biomedical Materials and Tissue Engineering, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China; Shenzhen Research Institute, Peking University, Shenzhen 518055, China.
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21
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Domura R, Sasaki R, Okamoto M, Hirano M, Kohda K, Napiwocki B, Turng LS. Comprehensive study on cellular morphologies, proliferation, motility, and epithelial-mesenchymal transition of breast cancer cells incubated on electrospun polymeric fiber substrates. J Mater Chem B 2017; 5:2588-2600. [PMID: 32264037 DOI: 10.1016/j.mtchem.2018.10.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The progress of microenvironment-mediated tumor progression in an artificial extracellular matrix explores the design criteria to understand the cancer progression mechanism and metastatic potential. This study was aimed at examining the combination of both surface topographies (fiber alignments) and different stiffness of polymeric substrates (PLLA and PCL) to evaluate the effects on the cellular morphologies, proliferation, motility, and gene expression regarding epithelial to mesenchymal transition (EMT) of two different types of breast cancer cells (MDA-MB-231 and MCF-7). The cellular morphologies (roundness and nuclear elongation factor), E-cadherin and vimentin expression, and cellular motility in terms of cellular migration speed, persistent time, and diffusivity have been comprehensively discussed. We demonstrated that the microenvironment of cell culture substrates influences cancer progression and metastatic potential.
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Affiliation(s)
- Ryota Domura
- Advanced Polymeric Nanostructured Materials Engineering, Graduate School of Engineering, Toyota Technological Institute, 2-12-1 Hisakata, Tempaku, Nagoya 468 8511, Japan.
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22
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Ji Y, Zhao J, Chu CC. Biodegradable nanocomplex from hyaluronic acid and arginine based poly(ester amide)s as the delivery vehicles for improved photodynamic therapy of multidrug resistant tumor cells: An in vitro study of the performance of chlorin e6 photosensitizer. J Biomed Mater Res A 2017; 105:1487-1499. [PMID: 27997760 DOI: 10.1002/jbm.a.35982] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Revised: 10/05/2016] [Accepted: 12/08/2016] [Indexed: 02/06/2023]
Abstract
Photodynamic therapy (PDT), which enables the localized therapeutic effect by light irradiation, provides an alternative and complementary modality for the treatment of tumor. However, the aggregation of photosensitizers in acidic microenvironment of tumor and the non-targeted distribution of photosensitizers in normal tissues significantly affect the PDT efficiency. In this study, we developed a biodegradable nanocomplex HA-Arg-PEA from hyaluronic acid (HA) and arginine based poly(ester amide)s (Arg-PEA) as the nanocarrier for chlorin e6 (Ce6). HA enhanced the tumor-specific endocytosis mediated by the overexpression of CD44 receptor. Arg-PEA not only provide electrostatic interaction with HA to form self-assembled nanostructure, but also improve the monomerization of Ce6 at physiological pH as well as mildly acidic pH. The biodegradable characteristic of HA-Arg-PEA nanocomplex enabled the intracellular delivery of Ce6, in which its release and generation of singlet oxygen can be accelerated by enzymatic degradation of the carrier. The in vitro PDT efficiency of Ce6-loaded HA-Arg-PEA nanocomplex was examined in CD44 positive MDA-MB-435/MDR multidrug resistant melanoma cells. CD44-mediated uptake of Ce6-loaded HA-Arg-PEA nanocomplex significantly improved Ce6 level in MDA-MB-435/MDR cells within short incubation time, and the PDT efficiency in inhibiting multidrug resistant tumor cells was also enhanced at higher Ce6 concentrations. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 105A: 1487-1499, 2017.
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Affiliation(s)
- Ying Ji
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, New York, 14853-4401
| | - Jihui Zhao
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People's Republic of China
| | - Chih-Chang Chu
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, New York, 14853-4401.,Biomedical Engineering Field. Meinig School of Biomedical Engineering, Cornell University, Ithaca, New York, 14853-4401
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Li X, Fu M, Wu J, Zhang C, Deng X, Dhinakar A, Huang W, Qian H, Ge L. pH-sensitive peptide hydrogel for glucose-responsive insulin delivery. Acta Biomater 2017; 51:294-303. [PMID: 28069504 DOI: 10.1016/j.actbio.2017.01.016] [Citation(s) in RCA: 97] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 12/13/2016] [Accepted: 01/05/2017] [Indexed: 12/21/2022]
Abstract
Glucose-responsive system is one of important options for self-regulated insulin delivery to treat diabetes, which has become an issue of great public health concern in the world. In this study, we developed a novel and biocompatible glucose-responsive insulin delivery system using a pH-sensitive peptide hydrogel as a carrier loaded with glucose oxidase, catalase and insulin. The peptide could self-assemble into hydrogel under physiological conditions. When hypoglycemia is encountered, neighboring alkaline amino acid side chains are significantly repulsed due to reduced local pH by the enzymatic conversion of glucose into gluconic acid. This is followed by unfolding of individual hairpins, disassembly and release of insulin. The glucose-responsive hydrogel system was characterized on the basis of structure, conformation, rheology, morphology, acid-sensitivity and the amount of consistent release of insulin in vitro and vivo. The results illustrated that our system can not only regulate the blood glucose levels in vitro but also in mice models having STZ-induced diabetes. STATEMENT OF SIGNIFICANCE In this report, we have shown the following significance supported by the experimental results. 1. We successfully developed, characterized and screened a novel pH-responsive peptide. 2. We successfully developed a novel and biocompatible pH-sensitive peptide hydrogel as glucose-responsive insulin delivery system loaded with glucose oxidase, catalase and insulin. 3. We successfully confirmed that the hydrogel platform could regulate the blood glucose level in vitro and in vivo. Overall, we have shown enough significance and novelty with this smart hydrogel platform in terms of biomaterials, peptide chemistry, self-assembly, hydrogel and drug delivery. So we believe this manuscript is suitable for Acta Biomaterialia.
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Affiliation(s)
- Xue Li
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, PR China
| | - Mian Fu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, PR China
| | - Jun Wu
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guang Dong Province, School of Engineering, Sun Yat-sen University, Guangzhou 510006, PR China; Key Laboratory for Polymeric Composite & Functional Materials of Ministry of Education, Sun Yat-sen University, Guangzhou 510006, PR China.
| | - Chenyu Zhang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, PR China
| | - Xin Deng
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, PR China
| | - Arvind Dhinakar
- University of Waterloo, 200 University Ave W, Waterloo, ON N2L 3G1, Canada
| | - Wenlong Huang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, PR China; Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, PR China
| | - Hai Qian
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, PR China; Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, PR China.
| | - Liang Ge
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, PR China.
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24
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Xu X, Huang D, Liu W, Sheng Z, Liang K, Li D, Zhao D, Ma Y, Zhang K, Hayat T, Alharbi NS, Li W. Evaluation of the anti-inflammatory properties of telmesteine on inflammation-associated skin diseases. RSC Adv 2017. [DOI: 10.1039/c7ra01111c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Telmesteine, a useful agent for respiratory tract disorders, has been reported to be a critical active ingredient in topical compositions for dermatitis.
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25
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Ji Y, Shan S, He M, Chu CC. A Novel Pseudo-Protein-Based Biodegradable Nanomicellar Platform for the Delivery of Anticancer Drugs. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2017; 13:1601491. [PMID: 27709764 DOI: 10.1002/smll.201601491] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Revised: 07/08/2016] [Indexed: 06/06/2023]
Abstract
Amino acid-based poly(ester amide)s are a new family of biodegradable polymers that exhibit "pseudo-protein" characteristics and the structural varieties of poly(ester amide)s make them hold great potential in multiple biomedical applications. In this study, a lysine-phenylalanine-based pseudo-protein is developed as the self-assembled nanomicellar carrier for efficient delivery of doxorubicin. The lysine moieties from the pseudo-protein provide available sites for further functionalization, and methylcoumarin is introduced for easy and photocontrollable crosslinking, to effectively improve the micellar stability in serum containing environment and against dilution. However, photocrosslinks do not bring in any barrier for the intracellular release of doxoubicin. Doxorubicin release is significantly accelerated by proteolytic enzyme, due to the biodegradability of pseudo-protein micelles. In addition, pseudo-protein delivery system exhibits unique interactions with HCT116 human colon cancer cells. Doxorubicin loaded in pseudo-protein micelles colocalizes with mitochondria and endolysosomes, while free doxorubicin is distributed only in the nuclei. Doxorubicin-loaded pseudo-protein micelles stimulate increased level of intracellular reactive oxygen species and mitochondrial damage. Free doxorubicin induces conditional apoptosis in HCT116 cells between 0.5× 10-6 and 2 × 10-6 m, while DOX loaded in pseudo-protein micelles induces apoptosis over a higher/broader concentration range (2 × 10-6 -10 × 10-6 m).
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Affiliation(s)
- Ying Ji
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, NY, 14853-4401, USA
| | - Shuo Shan
- Biomedical Engineering FieldMeinig School of Biomedical Engineering, Cornell University, Ithaca, NY, 14853-4401, USA
| | - Mingyu He
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, NY, 14853-4401, USA
| | - Chih-Chang Chu
- Department of Fiber Science and Apparel Design, Cornell University, Ithaca, NY, 14853-4401, USA
- Biomedical Engineering FieldMeinig School of Biomedical Engineering, Cornell University, Ithaca, NY, 14853-4401, USA
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26
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Gao J, Wang Y, Chen S, Tang D, Jiang L, Kong D, Wang S. Electrospun poly-ε-caprolactone scaffold modified with catalytic nitric oxide generation and heparin for small-diameter vascular graft. RSC Adv 2017. [DOI: 10.1039/c7ra02086d] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Vascular grafts are significantly needed in peripheral vascular surgery; however, small diameter grafts are not always available, and synthetic grafts perform poorly because of acute thrombosis and neointimal proliferation after implantation.
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Affiliation(s)
- Jingchen Gao
- State Key Laboratory of Medicinal Chemical Biology
- Key Laboratory of Bioactive Materials for Ministry of Education
- College of Life Sciences
- Institute of Molecular Biology
- Nankai University
| | - Yaping Wang
- State Key Laboratory of Medicinal Chemical Biology
- Key Laboratory of Bioactive Materials for Ministry of Education
- College of Life Sciences
- Institute of Molecular Biology
- Nankai University
| | - Siyuan Chen
- State Key Laboratory of Medicinal Chemical Biology
- Key Laboratory of Bioactive Materials for Ministry of Education
- College of Life Sciences
- Institute of Molecular Biology
- Nankai University
| | - Di Tang
- State Key Laboratory of Medicinal Chemical Biology
- Key Laboratory of Bioactive Materials for Ministry of Education
- College of Life Sciences
- Institute of Molecular Biology
- Nankai University
| | - Li Jiang
- State Key Laboratory of Medicinal Chemical Biology
- Key Laboratory of Bioactive Materials for Ministry of Education
- College of Life Sciences
- Institute of Molecular Biology
- Nankai University
| | - Deling Kong
- State Key Laboratory of Medicinal Chemical Biology
- Key Laboratory of Bioactive Materials for Ministry of Education
- College of Life Sciences
- Institute of Molecular Biology
- Nankai University
| | - Shufang Wang
- State Key Laboratory of Medicinal Chemical Biology
- Key Laboratory of Bioactive Materials for Ministry of Education
- College of Life Sciences
- Institute of Molecular Biology
- Nankai University
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27
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Hao Z, Song Z, Huang J, Huang K, Panetta A, Gu Z, Wu J. The scaffold microenvironment for stem cell based bone tissue engineering. Biomater Sci 2017; 5:1382-1392. [DOI: 10.1039/c7bm00146k] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Bone tissue engineering uses the principles and methods of engineering and life sciences to study bone structure, function and growth mechanism for the purposes of repairing, maintaining and improving damaged bone tissue.
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Affiliation(s)
- Zhichao Hao
- Guanghua School of Stomatology
- Hospital of Stomatology
- Sun Yat-sen University
- Guangdong Provincial Key Laboratory of Stomatology
- Guangzhou 510055
| | - Zhenhua Song
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province
- School of Engineering
- Sun Yat-sen University
- Guangzhou
- PR China
| | - Jun Huang
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province
- School of Engineering
- Sun Yat-sen University
- Guangzhou
- PR China
| | - Keqing Huang
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province
- School of Engineering
- Sun Yat-sen University
- Guangzhou
- PR China
| | | | - Zhipeng Gu
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province
- School of Engineering
- Sun Yat-sen University
- Guangzhou
- PR China
| | - Jun Wu
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province
- School of Engineering
- Sun Yat-sen University
- Guangzhou
- PR China
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28
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Domura R, Sasaki R, Okamoto M, Hirano M, Kohda K, Napiwocki B, Turng LS. Comprehensive study on cellular morphologies, proliferation, motility, and epithelial–mesenchymal transition of breast cancer cells incubated on electrospun polymeric fiber substrates. J Mater Chem B 2017; 5:2588-2600. [DOI: 10.1039/c7tb00207f] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Aligned fibers substrates caused elongation and alignment of the MDA-MB-231 cells along the fiber directionsviareducing the cell roundness and E-cadherin expression.
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Affiliation(s)
- Ryota Domura
- Advanced Polymeric Nanostructured Materials Engineering
- Graduate School of Engineering
- Toyota Technological Institute
- Tempaku
- Japan
| | - Rie Sasaki
- Advanced Polymeric Nanostructured Materials Engineering
- Graduate School of Engineering
- Toyota Technological Institute
- Tempaku
- Japan
| | - Masami Okamoto
- Advanced Polymeric Nanostructured Materials Engineering
- Graduate School of Engineering
- Toyota Technological Institute
- Tempaku
- Japan
| | | | | | - Brett Napiwocki
- Department of Engineering Physics
- University of Wisconsin-Madison
- USA
| | - Lih-Sheng Turng
- Wisconsin Institute for Discovery and Polymer Engineering Center
- Department of Mechanical Engineering
- University of Wisconsin-Madison
- USA
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29
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Liu J, Wang P, Chu CC, Xi T. A novel biodegradable and biologically functional arginine-based poly(ester urea urethane) coating for Mg–Zn–Y–Nd alloy: enhancement in corrosion resistance and biocompatibility. J Mater Chem B 2017; 5:1787-1802. [DOI: 10.1039/c6tb03147a] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Novel biodegradable and functional Arg-PEUU coating materials for MgZnYNd alloy stents may make drugs like sirolimus or paclitaxel unnecessary.
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Affiliation(s)
- Jing Liu
- Center for Biomedical Materials and Tissue Engineering
- Academy for Advanced Interdisciplinary Studies
- Peking University
- Beijing 100871
- China
| | - Pei Wang
- Center for Biomedical Materials and Tissue Engineering
- Academy for Advanced Interdisciplinary Studies
- Peking University
- Beijing 100871
- China
| | - Chih-Chang Chu
- Department of Fiber Science and Apparel Design, and Biomedical Engineering Field
- Cornell University
- Ithaca
- USA
| | - Tingfei Xi
- Center for Biomedical Materials and Tissue Engineering
- Academy for Advanced Interdisciplinary Studies
- Peking University
- Beijing 100871
- China
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30
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Jiang Z, Ma P, Guo Z, Jia Z, Pu C, Xiao C. Effect of coupling agent on structure and properties of micro-nano composite fibers based on PET. J Appl Polym Sci 2016. [DOI: 10.1002/app.43846] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Zhaohui Jiang
- Lutai School of Textile and Apparel; Shandong University of Technology; Zibo 255049 China
| | - Pibo Ma
- Key Laboratory of Eco-Textiles, Ministry of Education; Jiangnan University; Wuxi 214122 China
| | - Zengge Guo
- Lutai School of Textile and Apparel; Shandong University of Technology; Zibo 255049 China
| | - Zhao Jia
- Lutai School of Textile and Apparel; Shandong University of Technology; Zibo 255049 China
| | - Congcong Pu
- Lutai School of Textile and Apparel; Shandong University of Technology; Zibo 255049 China
| | - Changfa Xiao
- Key Laboratory of Fiber Modification and Functional Fiber; Tianjin Polytechnic University; Tianjin 300387 China
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31
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Wu DQ, Cui HC, Zhu J, Qin XH, Xie T. Novel amino acid based nanogel conjugated suture for antibacterial application. J Mater Chem B 2016; 4:2606-2613. [DOI: 10.1039/c6tb00186f] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this study, a promising preparation strategy for antibacterial silk sutures with an l-lysine based nanogel grafting is reported.
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Affiliation(s)
- De-Qun Wu
- Key Laboratory of Textile Science & Technology
- Ministry Education
- College of Textiles
- Donghua University
- Songjiang
| | - Hai-Chun Cui
- Key Laboratory of Textile Science & Technology
- Ministry Education
- College of Textiles
- Donghua University
- Songjiang
| | - Jie Zhu
- Key Laboratory of Textile Science & Technology
- Ministry Education
- College of Textiles
- Donghua University
- Songjiang
| | - Xiao-Hong Qin
- Key Laboratory of Textile Science & Technology
- Ministry Education
- College of Textiles
- Donghua University
- Songjiang
| | - Ting Xie
- Department of Cardiac Surgery
- Hainan Provincial People's Hospital
- Hainan
- China
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32
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Shih YH, Peng CL, Chiang PF, Lin WJ, Luo TY, Shieh MJ. Therapeutic and scintigraphic applications of polymeric micelles: combination of chemotherapy and radiotherapy in hepatocellular carcinoma. Int J Nanomedicine 2015; 10:7443-54. [PMID: 26719687 PMCID: PMC4687727 DOI: 10.2147/ijn.s91008] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
This study evaluated a multifunctional micelle simultaneously loaded with doxorubicin (Dox) and labeled with radionuclide rhenium-188 ((188)Re) as a combined radiotherapy and chemotherapy treatment for hepatocellular carcinoma. We investigated the single photon emission computed tomography, biodistribution, antitumor efficacy, and pathology of (188)Re-Dox micelles in a murine orthotopic luciferase-transfected BNL tumor cells hepatocellular carcinoma model. The single photon emission computed tomography and computed tomography images showed high radioactivity in the liver and tumor, which was in agreement with the biodistribution measured by γ-counting. In vivo bioluminescence images showed the smallest size tumor (P<0.05) in mice treated with the combined micelles throughout the experimental period. In addition, the combined (188)Re-Dox micelles group had significantly longer survival compared with the control, (188)ReO4 alone (P<0.005), and Dox micelles alone (P<0.01) groups. Pathohistological analysis revealed that tumors treated with (188)Re-Dox micelles had more necrotic features and decreased cell proliferation. Therefore, (188)Re-Dox micelles may enable combined radiotherapy and chemotherapy to maximize the effectiveness of treatment for hepatocellular carcinoma.
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Affiliation(s)
- Ying-Hsia Shih
- Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan ; Isotope Application Division, Institute of Nuclear Energy Research, Taoyuan, Taiwan
| | - Cheng-Liang Peng
- Isotope Application Division, Institute of Nuclear Energy Research, Taoyuan, Taiwan
| | - Ping-Fang Chiang
- Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan ; Isotope Application Division, Institute of Nuclear Energy Research, Taoyuan, Taiwan
| | - Wuu-Jyh Lin
- Isotope Application Division, Institute of Nuclear Energy Research, Taoyuan, Taiwan
| | - Tsai-Yueh Luo
- Isotope Application Division, Institute of Nuclear Energy Research, Taoyuan, Taiwan ; Institute of Radiological Science, Central University, Taichung, Taiwan
| | - Ming-Jium Shieh
- Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan ; Department of Oncology, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
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33
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Cheng F, Guan X, Cao H, Su T, Cao J, Chen Y, Cai M, He B, Gu Z, Luo X. Characteristic of core materials in polymeric micelles effect on their micellar properties studied by experimental and dpd simulation methods. Int J Pharm 2015. [PMID: 26196277 DOI: 10.1016/j.ijpharm.2015.07.031] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Polymeric micelles are one important class of nanoparticles for anticancer drug delivery, but the impact of hydrophobic segments on drug encapsulation and release is unclear, which deters the rationalization of drug encapsulation into polymeric micelles. This paper focused on studying the correlation between the characteristics of hydrophobic segments and encapsulation of structurally different drugs (DOX and β-carotene). Poly(ϵ-caprolactone) (PCL) or poly(l-lactide) (PLLA) were used as hydrophobic segments to synthesize micelle-forming amphiphilic block copolymers with the hydrophilic methoxy-poly(ethylene glycol) (mPEG). Both blank and drug loaded micelles were spherical in shape with sizes lower than 50 nm. PCL-based micelles exhibited higher drug loading capacity than their PLLA-based counterparts. Higher encapsulation efficiency of β-carotene was achieved compared with DOX. In addition, both doxorubicin and β-carotene were released much faster from PCL-based polymeric micelles. Dissipative particle dynamics (DPD) simulation revealed that the two drugs tended to aggregate in the core of the PCL-based micelles but disperse in the core of PLLA based micelles. In vitro cytotoxicity investigation of DOX loaded micelles demonstrated that a faster drug release warranted a more efficient cancer-killing effect. This research could serve as a guideline for the rational design of polymeric micelles for drug delivery.
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Affiliation(s)
- Furong Cheng
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China; National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Xuewa Guan
- West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Huan Cao
- Institute of Biomedical and Pharmaceutical Technology, Fuzhou University, Fuzhou 350116, China
| | - Ting Su
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Jun Cao
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China.
| | - Yuanwei Chen
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Mengtan Cai
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Bin He
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Zhongwei Gu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Xianglin Luo
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China.
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34
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Tao W, Zhang J, Zeng X, Liu D, Liu G, Zhu X, Liu Y, Yu Q, Huang L, Mei L. Blended nanoparticle system based on miscible structurally similar polymers: a safe, simple, targeted, and surprisingly high efficiency vehicle for cancer therapy. Adv Healthc Mater 2015; 4:1203-14. [PMID: 25800699 DOI: 10.1002/adhm.201400751] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Revised: 02/21/2015] [Indexed: 01/12/2023]
Abstract
A novel blended nanoparticle (NP) system for the delivery of anticancer drugs and its surprisingly high efficacy for cancer chemotherapy by blending a targeting polymer folic acid-poly(ethylene glycol)-b-poly(lactide-co-glycolide) (FA-PEG-b-PLGA) and a miscible structurally similar polymer D-α-tocopheryl polyethylene glycol 1000 succinate-poly(lactide-co-glycolide) (TPGS-PLGA) is reported. This blended NP system can be achieved through a simple and effective nanoprecipitation technique, and possesses unique properties: i) improved long-term compatibility brought by PEG-based polymers; ii) reduced multidrug resistance mediated by P-glycoprotein (P-gp) in tumor cells and increased bioavailability of anticancer drugs by incorporation of TPGS; iii) the regulation of controlled release through polymer ratios and active targeting by FA. Both in vitro cell experiments and in vivo antitumor assays demonstrated the reported blended NP system can achieve the best therapeutic efficiency in an extremely safe, simple and highly efficient process for cancer therapy. Moreover, this NP system is highly efficient in forming NPs with multiple functions, without repeated chemical modification of polymers, which is sometimes complex, inefficient and high cost. Therefore, the development of this novel blended NP concept is extremely meaningful for the application of pharmaceutical nanotechnology in recent studies.
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Affiliation(s)
- Wei Tao
- School of Life Sciences, Tsinghua University, Beijing, 100084, P. R. China
- The Shenzhen Key Lab of Gene and Antibody Therapy, Graduate School at Shenzhen, Division of Life and Health Sciences, Tsinghua University, Shenzhen, 518055, P. R. China
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Jinxie Zhang
- School of Life Sciences, Tsinghua University, Beijing, 100084, P. R. China
- The Shenzhen Key Lab of Gene and Antibody Therapy, Graduate School at Shenzhen, Division of Life and Health Sciences, Tsinghua University, Shenzhen, 518055, P. R. China
| | - Xiaowei Zeng
- School of Life Sciences, Tsinghua University, Beijing, 100084, P. R. China
- The Shenzhen Key Lab of Gene and Antibody Therapy, Graduate School at Shenzhen, Division of Life and Health Sciences, Tsinghua University, Shenzhen, 518055, P. R. China
| | - Danny Liu
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
- Department of Chemistry, University of Waterloo, Waterloo, Ontario, Canada
| | - Gan Liu
- School of Life Sciences, Tsinghua University, Beijing, 100084, P. R. China
- The Shenzhen Key Lab of Gene and Antibody Therapy, Graduate School at Shenzhen, Division of Life and Health Sciences, Tsinghua University, Shenzhen, 518055, P. R. China
| | - Xi Zhu
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Yanlan Liu
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Qingtong Yu
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Laiqiang Huang
- School of Life Sciences, Tsinghua University, Beijing, 100084, P. R. China
- The Shenzhen Key Lab of Gene and Antibody Therapy, Graduate School at Shenzhen, Division of Life and Health Sciences, Tsinghua University, Shenzhen, 518055, P. R. China
| | - Lin Mei
- School of Life Sciences, Tsinghua University, Beijing, 100084, P. R. China
- The Shenzhen Key Lab of Gene and Antibody Therapy, Graduate School at Shenzhen, Division of Life and Health Sciences, Tsinghua University, Shenzhen, 518055, P. R. China
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35
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Jiang T, Guo L, Ni S, Zhao Y. Upregulation of cell proliferation via Shc and ERK1/2 MAPK signaling in SaOS-2 osteoblasts grown on magnesium alloy surface coating with tricalcium phosphate. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2015; 26:158. [PMID: 25783501 DOI: 10.1007/s10856-015-5479-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2014] [Accepted: 02/09/2015] [Indexed: 06/04/2023]
Abstract
Magnesium (Mg) alloys have been demonstrated to be viable orthopedic implants because of mechanical and biocompatible properties similar to natural bone. In order to improve its osteogenic properties, a porous β-tricalcium phosphate (β-TCP) was coated on the Mg-3AI-1Zn alloy by alkali-heat treatment technique. The human bone-derived cells (SaOS-2) were cultured on (β-TCP)-Mg-3AI-1Zn in vitro, and the osteoblast response, the morphology and the elements on this alloy surface were investigated. Also, the regulation of key intracellular signalling proteins was investigated in the SaOS-2 cells cultured on alloy surface. The results from scanning electron microscope and immunofluorescence staining demonstrated that (β-TCP)-Mg-3AI-1Zn induced significant osteogenesis. SaOS-2 cell proliferation was improved by β-TCP coating. Moreover, the (β-TCP)-Mg-3AI-1Zn surface induced activation of key intracellular signalling proteins in SaOS-2 cells. We observed an enhanced activation of Src homology and collagen (Shc), a common point of integration between bone morphogenetic protein 2, and the Ras/mitogen-activated protein kinase (MAPK) pathway. ERK1/2 MAP kinase activation was also upregulated, suggesting a role in mediating osteoblastic cell interactions with biomaterials. The signalling pathway involving c-fos (member of the activated protein-1) was also shown to be upregulated in osteoblasts cultured on the (β-TCP)-Mg-3AI-1Zn. These results suggest that β-TCP coating may contribute to successful osteoblast function on Mg alloy surface. (β-TCP)-Mg-3AI-1Zn may upregulate cell proliferation via Shc and ERK1/2 MAPK signaling in SaOS-2 osteoblasts grown on Mg alloy surface.
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Affiliation(s)
- Tianlong Jiang
- Department of Orthopedic Surgery, First Affiliated Hospital, China Medical University, Shenyang, 110001, Liaoning, People's Republic of China
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36
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Potuck AN, Weed BL, Leifer CA, Chu CC. Electrostatically Self-Assembled Biodegradable Microparticles from Pseudoproteins and Polysaccharide: Fabrication, Characterization, and Biological Properties. Biomacromolecules 2015; 16:564-77. [DOI: 10.1021/bm5016255] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
| | | | - Cynthia A. Leifer
- Department of Microbiology and Immunology, Cornell University College of Veterinary Medicine, Ithaca, New York 14853-4401, United States
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37
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Wu DQ, Wu J, Qin XH, Chu CC. From macro to micro to nano: the development of a novel lysine based hydrogel platform and enzyme triggered self-assembly of macro hydrogel into nanogel. J Mater Chem B 2015; 3:2286-2294. [DOI: 10.1039/c4tb01902d] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Development of a novel lysine based hydrogel platform and the enzyme triggered self-assembly of macro hydrogel into nanogel.
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Affiliation(s)
- De-Qun Wu
- Key Laboratory of Textile Science & Technology Ministry of Education
- College of Textiles
- Donghua University
- Shanghai
- China
| | - Jun Wu
- Department of Biomedical Engineering
- Cornell University
- Ithaca
- USA
| | - Xiao-Hong Qin
- Key Laboratory of Textile Science & Technology Ministry of Education
- College of Textiles
- Donghua University
- Shanghai
- China
| | - Chih-Chang Chu
- Department of Biomedical Engineering
- Cornell University
- Ithaca
- USA
- Department of Fiber Science and Apparel Design
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38
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Hernandez KA, Hooper RC, Boyko T, Golas AR, van Harten M, Wu D, Weinstein A, Chu C, Spector JA. Reduction of suture associated inflammation after 28 days using novel biocompatible pseudoprotein poly(ester amide) biomaterials. J Biomed Mater Res B Appl Biomater 2014; 103:457-63. [DOI: 10.1002/jbm.b.33211] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2013] [Revised: 03/31/2014] [Accepted: 05/17/2014] [Indexed: 12/20/2022]
Affiliation(s)
- Karina A. Hernandez
- Division of Plastic and Reconstructive Surgery; Weill Cornell Medical College; New York
| | | | - Tatiana Boyko
- Division of Plastic and Reconstructive Surgery; Weill Cornell Medical College; New York
| | - Alyssa R. Golas
- Division of Plastic and Reconstructive Surgery; Weill Cornell Medical College; New York
| | - Michel van Harten
- Division of Plastic and Reconstructive Surgery; Weill Cornell Medical College; New York
| | - D.Q. Wu
- Department of Fiber Science and Apparel Design; and Biomedical Engineering Program; Cornell University; Ithaca New York
| | - Andrew Weinstein
- Division of Plastic and Reconstructive Surgery; Weill Cornell Medical College; New York
| | - C.C. Chu
- Department of Fiber Science and Apparel Design; and Biomedical Engineering Program; Cornell University; Ithaca New York
| | - Jason A. Spector
- Division of Plastic and Reconstructive Surgery; Weill Cornell Medical College; New York
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39
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Arginine-based polyester amide/polysaccharide hydrogels and their biological response. Acta Biomater 2014; 10:2482-94. [PMID: 24530559 DOI: 10.1016/j.actbio.2014.02.011] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2013] [Revised: 01/30/2014] [Accepted: 02/03/2014] [Indexed: 11/24/2022]
Abstract
An advanced family of biodegradable cationic hybrid hydrogels was designed and fabricated from two precursors via a UV photocrosslinking in an aqueous medium: unsaturated arginine (Arg)-based functional poly(ester amide) (Arg-UPEA) and glycidyl methacrylate chitosan (GMA-chitosan). These Arg-UPEA/GMA-chitosan hybrid hydrogels were characterized in terms of their chemical structure, equilibrium swelling ratio (Qeq), compressive modulus, interior morphology and biodegradation properties. Lysozyme effectively accelerated the biodegradation of the hybrid hydrogels. The mixture of both precursors in an aqueous solution showed near non-cytotoxicity toward porcine aortic valve smooth muscle cells at total concentrations up to 6mgml(-1). The live/dead assay data showed that 3T3 fibroblasts were able to attach and grow on the hybrid hydrogel and pure GMA-chitosan hydrogel well. Arg-UPEA/GMA-chitosan hybrid hydrogels activated both TNF-α and NO production by RAW 264.7 macrophages, and the arginase activity was also elevated. The integration of the biodegradable Arg-UPEA into the GMA-chitosan can provide advantages in terms of elevated and balanced NO production and arginase activity that free Arg supplement could not achieve. The hybrid hydrogels may have potential application as a wound healing accelerator.
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40
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Rezaei Kolahchi A, Carreau PJ, Ajji A. Surface roughening of PET films through blend phase coarsening. ACS APPLIED MATERIALS & INTERFACES 2014; 6:6415-6424. [PMID: 24758422 DOI: 10.1021/am4058259] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
In this study, a novel method to increase the surface roughness of polyethylene terephthalate (PET) films is proposed. The mechanism of phase coarsening at the surface in extruded thin films of PET blended with low concentrations of polystyrene (PS) was investigated. A small amount of poly(hyroxyl ether) of bisphenol A (phenoxy resin, PKHH) was found to significantly increase the surface roughness due to its effect on the PS-PET interfacial tension. X-ray photoelectron spectroscopy (XPS) results indicated that in the presence of PKHH, PS droplets migrated spontaneously towards the surface of the polymer film. An increased local concentration of PS near the surface took the form of encapsulated droplets. Above the flow temperature of the blend, the local concentration of PS eventually reached a level where a co-continuous morphology occurred, resulting in the instabilities on the surface of the film. The adhesion properties of films with various roughnesses were determined using a pull-off test and found to be significantly increased, which suggested that co-continuous morphology and the coarsening process increased the adhesive properties of the film.
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Affiliation(s)
- Ahmad Rezaei Kolahchi
- CREPEC, Chemical Engineering Department, Polytechnique Montreal , Montreal, Quebec, Canada
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41
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Bertrand N, Wu J, Xu X, Kamaly N, Farokhzad OC. Cancer nanotechnology: the impact of passive and active targeting in the era of modern cancer biology. Adv Drug Deliv Rev 2014; 66:2-25. [PMID: 24270007 PMCID: PMC4219254 DOI: 10.1016/j.addr.2013.11.009] [Citation(s) in RCA: 1854] [Impact Index Per Article: 185.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2013] [Revised: 10/23/2013] [Accepted: 11/13/2013] [Indexed: 12/17/2022]
Abstract
Cancer nanotherapeutics are progressing at a steady rate; research and development in the field has experienced an exponential growth since early 2000's. The path to the commercialization of oncology drugs is long and carries significant risk; however, there is considerable excitement that nanoparticle technologies may contribute to the success of cancer drug development. The pace at which pharmaceutical companies have formed partnerships to use proprietary nanoparticle technologies has considerably accelerated. It is now recognized that by enhancing the efficacy and/or tolerability of new drug candidates, nanotechnology can meaningfully contribute to create differentiated products and improve clinical outcome. This review describes the lessons learned since the commercialization of the first-generation nanomedicines including DOXIL® and Abraxane®. It explores our current understanding of targeted and non-targeted nanoparticles that are under various stages of development, including BIND-014 and MM-398. It highlights the opportunities and challenges faced by nanomedicines in contemporary oncology, where personalized medicine is increasingly the mainstay of cancer therapy. We revisit the fundamental concepts of enhanced permeability and retention effect (EPR) and explore the mechanisms proposed to enhance preferential "retention" in the tumor, whether using active targeting of nanoparticles, binding of drugs to their tumoral targets or the presence of tumor associated macrophages. The overall objective of this review is to enhance our understanding in the design and development of therapeutic nanoparticles for treatment of cancers.
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Affiliation(s)
- Nicolas Bertrand
- The David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Jun Wu
- Laboratory of Nanomedicine and Biomaterials, Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis St., Boston, MA 02115, USA
| | - Xiaoyang Xu
- The David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Laboratory of Nanomedicine and Biomaterials, Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis St., Boston, MA 02115, USA
| | - Nazila Kamaly
- Laboratory of Nanomedicine and Biomaterials, Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis St., Boston, MA 02115, USA
| | - Omid C Farokhzad
- Laboratory of Nanomedicine and Biomaterials, Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis St., Boston, MA 02115, USA.
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Murase SK, Haspel N, del Valle LJ, Perpète EA, Michaux C, Nussinov R, Puiggalí J, Alemán C. Molecular characterization of l-phenylalanine terminated poly(l-lactide) conjugates. RSC Adv 2014. [DOI: 10.1039/c4ra01534g] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
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Petrova S, Jäger E, Konefał R, Jäger A, Venturini CG, Spěváček J, Pavlova E, Štěpánek P. Novel poly(ethylene oxide monomethyl ether)-b-poly(ε-caprolactone) diblock copolymers containing a pH-acid labile ketal group as a block linkage. Polym Chem 2014. [DOI: 10.1039/c4py00114a] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Acidic physiological conditions trigger degradation of amphiphilic block copolymers containing a ketal group as a block linkage into biocompatible degradation products.
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Affiliation(s)
- S. Petrova
- Institute of Macromolecular Chemistry v.v.i
- Academy of Sciences of the Czech Republic
- 162 06 Prague 6, Czech Republic
| | - E. Jäger
- Institute of Macromolecular Chemistry v.v.i
- Academy of Sciences of the Czech Republic
- 162 06 Prague 6, Czech Republic
| | - R. Konefał
- Institute of Macromolecular Chemistry v.v.i
- Academy of Sciences of the Czech Republic
- 162 06 Prague 6, Czech Republic
| | - A. Jäger
- Institute of Macromolecular Chemistry v.v.i
- Academy of Sciences of the Czech Republic
- 162 06 Prague 6, Czech Republic
| | - C. G. Venturini
- Institute of Macromolecular Chemistry v.v.i
- Academy of Sciences of the Czech Republic
- 162 06 Prague 6, Czech Republic
| | - J. Spěváček
- Institute of Macromolecular Chemistry v.v.i
- Academy of Sciences of the Czech Republic
- 162 06 Prague 6, Czech Republic
| | - E. Pavlova
- Institute of Macromolecular Chemistry v.v.i
- Academy of Sciences of the Czech Republic
- 162 06 Prague 6, Czech Republic
| | - P. Štěpánek
- Institute of Macromolecular Chemistry v.v.i
- Academy of Sciences of the Czech Republic
- 162 06 Prague 6, Czech Republic
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Abstract
The treatment of osteochondral lesions and osteoarthritis
remains an ongoing clinical challenge in orthopaedics. This review
examines the current research in the fields of cartilage regeneration,
osteochondral defect treatment, and biological joint resurfacing, and
reports on the results of clinical and pre-clinical studies. We
also report on novel treatment strategies and discuss their potential
promise or pitfalls. Current focus involves the use of a scaffold
providing mechanical support with the addition of chondrocytes or mesenchymal
stem cells (MSCs), or the use of cell homing to differentiate the
organism’s own endogenous cell sources into cartilage. This method
is usually performed with scaffolds that have been coated with a
chemotactic agent or with structures that support the sustained
release of growth factors or other chondroinductive agents. We also
discuss unique methods and designs for cell homing and scaffold
production, and improvements in biological joint resurfacing. There
have been a number of exciting new studies and techniques developed
that aim to repair or restore osteochondral lesions and to treat
larger defects or the entire articular surface. The concept of a
biological total joint replacement appears to have much potential. Cite this article: Bone Joint Res 2013;2:193–9.
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Affiliation(s)
- K R Myers
- North Shore University Hospital/Long IslandJewish Medical Center, 260-05 76th Ave, New HydePark, New York 11040, USA
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A new family of functional biodegradable arginine-based polyester urea urethanes: Synthesis, chracterization and biodegradation. POLYMER 2013. [DOI: 10.1016/j.polymer.2013.05.046] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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