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Zeng Y, Yi T, Ma J, Han M, Xu X, Chen D, Chen X, Wang R, Zhan Y. Precisely controlled polydopamine-mediated antibacterial system: mathematical model of polymerization, prediction of antibacterial capacity, and promotion of wound healing. NANOTECHNOLOGY 2022; 33:455102. [PMID: 35917694 DOI: 10.1088/1361-6528/ac85f2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
In this work, the polydopamine (PDA)-mediated antibacterial system is synthesized to carry out antimicrobial activities in vitro and in vivo. First, to precisely control the surface modification of nanodiamonds (NDs), a mathematical kinetics model of PDA deposition is established, and the conditions of synthesis reaction are discussed including influencing factors such as the concentrations of dopamine, reaction time, and the kinetic constant k1, which is a function of several variables associated with the reaction temperature, light irradiance (especially at ultraviolet wavelengths), pH value and concentration of dissolved O2 in the solution. A simulated visualization demonstrates that the deposition thickness of PDA is positively correlated with temperature and light irradiance, and PDA is easier to deposit in an alkaline solution and will be terminated if the dissolved O2 is insufficient. Then, the precisely controlled thickness of PDA can control the growth of AgNPs, rendering the intensity of Raman peaks increased and providing a predictable antibacterial effect against E. coli in vitro. An optimized antibacterial hydrogel containing NDs-PDA/Ag is prepared and characterized by the Fourier transform infrared spectroscopy and field emission scanning electron microscopy. Finally, the antibacterial experiments to promote wound healing in vivo are performed, which are verified by pathological and immunohistochemical-stained sections. This work provides a theoretical basis of predicting the PDA-assisted surface modification of NDs, giving a divinable antibacterial effect, and promoting wounds healing in vivo.
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Affiliation(s)
- Yun Zeng
- Engineering Research Center of Molecular and Neuro Imaging of the Ministry of education, School of Life Science and Technology, Xidian University, Xifeng Rd. Xinglong Sec. No. 266, Xi'an, 710126, CHINA
| | - Tong Yi
- Engineering Research Center of Molecular and Neuro Imaging of the Ministry of education, School of Life Science and Technology, Xidian University, Xifeng Rd. Xilong Sec. No. 266, Xi'an, Shaanxi Province, 710126, CHINA
| | - Jingwen Ma
- Radiology Department, Ninth Affiliated Hospital of Medical College of Xi'an Jiaotong University, South Er-huan No.151, Xi'an, Shaanxi, 710054, CHINA
| | - Ming Han
- Engineering Research Center of Molecular and Neuro Imaging of the Ministry of education, School of Life Science and Technology, Xidian University, Xifeng Rd. Xilong Sec. No. 266, Xi'an, Shaanxi, 710071, CHINA
| | - Xinyi Xu
- Engineering Research Center of Molecular and Neuro Imaging of the Ministry of education, School of Life Science and Technology, Xidian University, Xifeng Rd. Xilong Sec. No. 266, Xi'an, Shaanxi, 710126, CHINA
| | - Dan Chen
- Engineering Research Center of Molecular and Neuro Imaging of the Ministry of education, School of Life Science and Technology, Xidian University, Xifeng Rd. Xilong Sec. No. 266, Xi'an, Shaanxi Province, 710126, CHINA
| | - Xueli Chen
- Engineering Research Center of Molecular and Neuro Imaging of the Ministry of education, School of Life Science and Technology, Xidian University, Xifeng Rd. Xilong Sec. No. 266, Xi'an, Shaanxi, 710126, CHINA
| | - Risheng Wang
- Chemistry, Missouri University of S & T, 133 Schrenk Hall, Rolla, Missouri, 65409, UNITED STATES
| | - Yonghua Zhan
- Engineering Research Center of Molecular and Neuro Imaging of the Ministry of education, School of Life Science and Technology, Xidian University, Xifeng Rd. Xilong Sec. No. 266, Xi'an, Shaanxi Province, 710071, CHINA
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Gan D, Jiang Y, Hu Y, Wang X, Wang Q, Wang K, Xie C, Han L, Lu X. Mussel-inspired extracellular matrix-mimicking hydrogel scaffold with high cell affinity and immunomodulation ability for growth factor-free cartilage regeneration. J Orthop Translat 2022; 33:120-131. [PMID: 35330942 PMCID: PMC8914478 DOI: 10.1016/j.jot.2022.02.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 02/03/2022] [Accepted: 02/14/2022] [Indexed: 01/08/2023] Open
Abstract
Background Injury to articular cartilage cause certain degree of disability due to poor self-repair ability of cartilage tissue. To promote cartilage regeneration, it is essential to develop a scaffold that properly mimics the native cartilage extracellular matrix (ECM) in the aspect of compositions and functions. Methods A mussel-inspired strategy was developed to construct an ECM-mimicking hydrogel scaffold by incorporating polydopamine-modified hyaluronic acid (PDA/HA) complex into a dual-crosslinked collagen (Col) matrix for growth factor-free cartilage regeneration. The adhesion, proliferation, and chondrogenic differentiation of cells on the scaffold were examined. A well-established full-thickness cartilage defect model of the knee in rabbits was used to evaluated the efficacy and functionality of the engineered Col/PDA/HA hydrogel scaffold. Results The PDA/HA complex incorporated-hydrogel scaffold with catechol moieties exhibited better cell affinity than bare negatively-charged HA incorporated hydrogel scaffold. In addition, the PDA/HA complex endowed the scaffold with immunomodulation ability, which suppressed the expression of inflammatory cytokines and effectively activated the polarization of macrophages toward M2 phenotypes. The in vivo results revealed that the mussel-inspired Col/PDA/HA hydrogel scaffold showed strong cartilage inducing ability to promote cartilage regeneration. Conclusions The PDA/HA complex-incorporated hydrogel scaffold overcame the cell repellency of negatively-charged polysaccharide-based scaffolds, which facilitated the adhesion and clustering of cells on the scaffold, and therefore enhanced cell-HA interactions for efficient chondrogenic differentiation. Moreover, the hydrogel scaffold modulated immune microenvironment, and created a regenerative microenvironment to enhance cartilage regeneration. The translational potential of this article This study gives insight into the mussel-inspired approach to construct the tissue-inducing hydrogel scaffold in a growth-factor-free manner, which show great advantage in the clinical treatment. The hydrogel scaffold composed of collagen and hyaluronic acid as the major component, providing cartilage ECM-mimicking environment, is promising for cartilage defect repair.
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Pacelli S, Chakravarti AR, Modaresi S, Subham S, Burkey K, Kurlbaum C, Fang M, Neal CA, Mellott AJ, Chakraborty A, Paul A. Investigation of human adipose-derived stem-cell behavior using a cell-instructive polydopamine-coated gelatin-alginate hydrogel. J Biomed Mater Res A 2021; 109:2597-2610. [PMID: 34189837 DOI: 10.1002/jbm.a.37253] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 06/09/2021] [Accepted: 06/16/2021] [Indexed: 01/05/2023]
Abstract
Hydrogels can be fabricated and designed to exert direct control over stem cells' adhesion and differentiation. In this study, we have investigated the use of polydopamine (pDA)-treatment as a binding platform for bioactive compounds to create a versatile gelatin-alginate (Gel-Alg) hydrogel for tissue engineering applications. Precisely, pDA was used to modify the surface properties of the hydrogel and better control the adhesion and osteogenic differentiation of human adipose-derived stem cells (hASCs). pDA enabled the adsorption of different types of bioactive molecules, including a model osteoinductive drug (dexamethasone) as well as a model pro-angiogenic peptide (QK). The pDA treatment efficiently retained the drug and the peptide compared to the untreated hydrogel and proved to be effective in controlling the morphology, cell area, and osteogenic differentiation of hASCs. Overall, the findings of this study confirm the efficacy of pDA treatment as a valuable strategy to modulate the biological properties of biocompatible Gel-Alg hydrogels and further extend their value in regenerative medicine.
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Affiliation(s)
- Settimio Pacelli
- Department of Biomedical Engineering, The University of Texas at San Antonio, San Antonio, Texas, USA
| | - Aparna R Chakravarti
- Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, School of Engineering, University of Kansas, Lawrence, Kansas, USA
| | - Saman Modaresi
- Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, School of Engineering, University of Kansas, Lawrence, Kansas, USA
| | - Siddharth Subham
- Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, School of Engineering, University of Kansas, Lawrence, Kansas, USA
| | - Kyley Burkey
- Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, School of Engineering, University of Kansas, Lawrence, Kansas, USA
| | - Cecilia Kurlbaum
- Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, School of Engineering, University of Kansas, Lawrence, Kansas, USA
| | - Madeline Fang
- Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, School of Engineering, University of Kansas, Lawrence, Kansas, USA
| | - Christopher A Neal
- Department of Plastic and Burn Surgery, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Adam J Mellott
- Department of Plastic and Burn Surgery, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Aishik Chakraborty
- Department of Chemical and Biochemical Engineering, Department of Chemistry, The University of Western Ontario, London, Ontario, Canada
| | - Arghya Paul
- Department of Chemical and Biochemical Engineering, Department of Chemistry, The University of Western Ontario, London, Ontario, Canada
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Deng Z, Wang W, Xu X, Nie Y, Liu Y, Gould OEC, Ma N, Lendlein A. Biofunction of Polydopamine Coating in Stem Cell Culture. ACS APPLIED MATERIALS & INTERFACES 2021; 13:10748-10759. [PMID: 33594879 DOI: 10.1021/acsami.0c22565] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
High levels of reactive oxygen species (ROS) during stem cell expansion often lead to replicative senescence. Here, a polydopamine (PDA)-coated substrate was used to scavenge extracellular ROS for mesenchymal stem cell (MSC) expansion. The PDA-coated substrate could reduce the oxidative stress and mitochondrial damage in replicative senescent MSCs. The expression of senescence-associated β-galactosidase of MSCs from three human donors (both bone marrow- and adipose tissue-derived) was suppressed on PDA. The MSCs on the PDA-coated substrate showed a lower level of interleukin 6 (IL-6), one of the senescence-associated inflammatory components. Cellular senescence-specific genes, such as p53 and p21, were downregulated on the PDA-coated substrate, while the stemness-related gene, OCT4, was upregulated. The PDA-coated substrate strongly promoted the proliferation rate of MSCs, while the stem cell character and differentiation potential were retained. Large-scale expansion of stem cells would greatly benefit from the PDA-coated substrate.
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Affiliation(s)
- Zijun Deng
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, 14513 Teltow, Germany
- Institute of Chemistry and Biochemistry, Free University of Berlin, 14195 Berlin, Germany
| | - Weiwei Wang
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, 14513 Teltow, Germany
| | - Xun Xu
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, 14513 Teltow, Germany
| | - Yan Nie
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, 14513 Teltow, Germany
- Institute of Chemistry, University of Potsdam, 14476 Potsdam, Germany
| | - Yue Liu
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, 14513 Teltow, Germany
- Institute of Chemistry, University of Potsdam, 14476 Potsdam, Germany
| | - Oliver E C Gould
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, 14513 Teltow, Germany
| | - Nan Ma
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, 14513 Teltow, Germany
- Institute of Chemistry and Biochemistry, Free University of Berlin, 14195 Berlin, Germany
| | - Andreas Lendlein
- Institute of Active Polymers and Berlin-Brandenburg Centre for Regenerative Therapies, Helmholtz-Zentrum Geesthacht, 14513 Teltow, Germany
- Institute of Chemistry and Biochemistry, Free University of Berlin, 14195 Berlin, Germany
- Institute of Chemistry, University of Potsdam, 14476 Potsdam, Germany
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Multifunctional aptasensors based on mesoporous silica nanoparticles as an efficient platform for bioanalytical applications: Recent advances. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2019.115778] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Calejo I, Costa-Almeida R, Reis RL, Gomes ME. A Physiology-Inspired Multifactorial Toolbox in Soft-to-Hard Musculoskeletal Interface Tissue Engineering. Trends Biotechnol 2020; 38:83-98. [DOI: 10.1016/j.tibtech.2019.06.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 06/13/2019] [Accepted: 06/14/2019] [Indexed: 12/20/2022]
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