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Abdelhamid MAA, Khalifa HO, Ki MR, Pack SP. Nanoengineered Silica-Based Biomaterials for Regenerative Medicine. Int J Mol Sci 2024; 25:6125. [PMID: 38892312 PMCID: PMC11172759 DOI: 10.3390/ijms25116125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Revised: 05/24/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
The paradigm of regenerative medicine is undergoing a transformative shift with the emergence of nanoengineered silica-based biomaterials. Their unique confluence of biocompatibility, precisely tunable porosity, and the ability to modulate cellular behavior at the molecular level makes them highly desirable for diverse tissue repair and regeneration applications. Advancements in nanoengineered silica synthesis and functionalization techniques have yielded a new generation of versatile biomaterials with tailored functionalities for targeted drug delivery, biomimetic scaffolds, and integration with stem cell therapy. These functionalities hold the potential to optimize therapeutic efficacy, promote enhanced regeneration, and modulate stem cell behavior for improved regenerative outcomes. Furthermore, the unique properties of silica facilitate non-invasive diagnostics and treatment monitoring through advanced biomedical imaging techniques, enabling a more holistic approach to regenerative medicine. This review comprehensively examines the utilization of nanoengineered silica biomaterials for diverse applications in regenerative medicine. By critically appraising the fabrication and design strategies that govern engineered silica biomaterials, this review underscores their groundbreaking potential to bridge the gap between the vision of regenerative medicine and clinical reality.
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Affiliation(s)
- Mohamed A. A. Abdelhamid
- Department of Biotechnology and Bioinformatics, Korea University, Sejong-Ro 2511, Sejong 30019, Republic of Korea;
- Department of Botany and Microbiology, Faculty of Science, Minia University, Minia 61519, Egypt
| | - Hazim O. Khalifa
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, United Arab Emirates University, Al Ain P.O. Box 1555, United Arab Emirates;
- Department of Pharmacology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafr El-Sheikh 33516, Egypt
| | - Mi-Ran Ki
- Department of Biotechnology and Bioinformatics, Korea University, Sejong-Ro 2511, Sejong 30019, Republic of Korea;
- Institute of Industrial Technology, Korea University, Sejong-Ro 2511, Sejong 30019, Republic of Korea
| | - Seung Pil Pack
- Department of Biotechnology and Bioinformatics, Korea University, Sejong-Ro 2511, Sejong 30019, Republic of Korea;
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Qiu Y, Lin Y, Zeng B, Qin P, Yi Z, Zhang G. Revealing the role of tunable amino acid residues in elastin-like polypeptides (ELPs)-mediated biomimetic silicification. Int J Biol Macromol 2023; 227:105-112. [PMID: 36539170 DOI: 10.1016/j.ijbiomac.2022.12.152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022]
Abstract
Elastin-like polypeptides (ELPs) are attractive materials for the green preparation of silica nanoparticles via biomimetic silicification. However, the critical factors affecting the ELP-mediated silicification remain unclear. Herein, the role of tunable amino acid residues of ELPs in silicification was studied using three ELPs (ELPs[V9F-40], ELPs[KV8F-40], and ELPs[K5V4F-40]) and their fusion proteins (ELPs[V9F-40]-SpyCatcher, ELPs[KV8F-40]-SpyCatcher, and ELPs[K5V4F-40]-SpyCatcher) with different contents of lysine residues. Bioinformatics methods were employed for the first time to reveal the key physicochemical parameters correlated with silicification. The specific activity of ELPs was increased with the promotion of lysine content with a high correlation coefficient (R = 0.899). Furthermore, exogenous acidic protein SpyCatcher would hinder the interactions between the silica precursors and ELPs, leading to the significantly decrease in specific activity. The isoelectric point (pI) of ELPs presented the highest correlation to silicification with a coefficient of 0.963. The charges of the ELPs [K5V4F-40] at different pH were calculated based on the sequence or structure. Interestingly, the excellent correlation between charges based on structure and specific activity was obtained. Collectively, the novel methods developed here may pave a new way for rational design of ELPs or other peptides for efficient and green preparation of silica nanomaterials for biomedicine, biocatalysis, and biosensor.
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Affiliation(s)
- Yue Qiu
- Faculty of Food Science and Technology, Suzhou Polytechnic Institute of Agriculture, Suzhou 215008, Jiangsu, China; Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen 361021, Fujian, China
| | - Yuanqing Lin
- College of Environment and Public Health, Xiamen Huaxia University, Xiamen 361024, Fujian, China.
| | - Bo Zeng
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen 361021, Fujian, China; National Engineering Laboratory for Cereal Fermentation Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Peiliang Qin
- Department of Science and Technology Industry Division, Suzhou Polytechnical Institute of Agriculture, Suzhou, Jiangsu 215008, China
| | - Zhiwei Yi
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen 361021, Fujian, China; Technology Innovation Center for Exploitation of Marine Biological Resources, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China
| | - Guangya Zhang
- Department of Bioengineering and Biotechnology, Huaqiao University, Xiamen 361021, Fujian, China.
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Kim SH, Ki MR, Park KS, Yeo KB, Pack SP. Chimeric protein-mediated dual mineral formation on biopolymer: Non-segregated and well-distributed deposition of CaCO 3 and silica particles. Colloids Surf B Biointerfaces 2022; 219:112808. [PMID: 36108365 DOI: 10.1016/j.colsurfb.2022.112808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 08/13/2022] [Accepted: 08/24/2022] [Indexed: 10/31/2022]
Abstract
Incorporation of biogenic or biocompatible synthetic polymers with inorganic mineral components have been suggested for the preparation of more bioactive materials. However, when two different inorganic minerals such as Ca- and Si-based minerals are introduced onto organic polymers, each mineral is deposited in a segregated form. Here, we presented a biomolecule-mediated preparation method for dual mineral-deposited polymer, in which two inorganic minerals were well-deposited on organic polymer with the aid of biological molecules. A chimeric bio-macromolecules, a fusion protein (CA-SFP) of carbonic anhydrase (CA) and silica-forming peptide (SFP), was designed and used. Surface-immobilized CA-SFP enabled the deposition of CaCO3 and silica nanoparticles on biopolymer without any segregated aggregation. SEM, EDS, FTIR, and swelling ratio analysis indicated that in the developed dual mineral-deposited polymer, each mineral was well-distributed across the polymer surfaces. Investigation by MTS assays, fluorescent imaging, and RT-qPCR revealed that the dual mineral-deposited polymer, when used as bone scaffolds, led to better cell proliferation and differentiation without any significant cytotoxicity compared to the counterparts. These results show that our mineral-deposition method mediated by biomolecules not only overcomes mineral-segregation involving multi-mineral formations, but also facilitates the preparation of highly-bioactive composite materials.
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Affiliation(s)
- Sung Ho Kim
- Department of Biotechnology and Bioinformatics, Korea University, 2511 Sejong-Ro, Sejong 30019, Republic of Korea
| | - Mi-Ran Ki
- Department of Biotechnology and Bioinformatics, Korea University, 2511 Sejong-Ro, Sejong 30019, Republic of Korea; Institute of Industrial Technology, Korea University, 2511 Sejong-Ro, Sejong 30019, Republic of Korea
| | - Ki Sung Park
- Department of Biotechnology and Bioinformatics, Korea University, 2511 Sejong-Ro, Sejong 30019, Republic of Korea
| | - Ki Baek Yeo
- Department of Biotechnology and Bioinformatics, Korea University, 2511 Sejong-Ro, Sejong 30019, Republic of Korea
| | - Seung Pil Pack
- Department of Biotechnology and Bioinformatics, Korea University, 2511 Sejong-Ro, Sejong 30019, Republic of Korea.
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Chen LL, Xu YC, Yang Y, Li N, Zou HX, Wen HH, Yan X. Prediction of peptide-induced silica formation under a wide pH range by molecular descriptors. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Tong X, Kim EJ, Lee JK. Sustainability of in vitro light-dependent NADPH generation by the thylakoid membrane of Synechocystis sp. PCC6803. Microb Cell Fact 2022; 21:94. [PMID: 35643504 PMCID: PMC9148488 DOI: 10.1186/s12934-022-01825-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 05/15/2022] [Indexed: 11/30/2022] Open
Abstract
Background NADPH is used as a reductant in various biosynthetic reactions. Cell-free bio-systems have gained considerable attention owing to their high energy utilization and time efficiency. Efforts have been made to continuously supply reducing power to the reaction mixture in a cyclical manner. The thylakoid membrane (TM) is a promising molecular energy generator, producing NADPH under light. Thus, TM sustainability is of major relevance for its in vitro utilization. Results Over 70% of TMs prepared from Synechocystis sp. PCC6803 existed in a sealed vesicular structure, with the F1 complex of ATP synthase facing outward (right-side-out), producing NADPH and ATP under light. The NADPH generation activity of TM increased approximately two-fold with the addition of carbonyl cyanide-p-(trifluoromethoxy) phenylhydrazone (FCCP) or removal of the F1 complex using EDTA. Thus, the uncoupling of proton translocation from the electron transport chain or proton leakage through the Fo complex resulted in greater NADPH generation. Biosilicified TM retained more than 80% of its NADPH generation activity after a week at 30°C in the dark. However, activity declined sharply to below 30% after two days in light. The introduction of engineered water-forming NADPH oxidase (Noxm) to keep the electron transport chain of TM working resulted in the improved sustainability of NADPH generation activity in a ratio (Noxm to TM)-dependent manner, which correlated with the decrease of singlet oxygen generation. Removal of reactive oxygen species (ROS) by catalase further highlighted the sustainable NADPH generation activity of up to 80% in two days under light. Conclusion Reducing power generated by light energy has to be consumed for TM sustainability. Otherwise, TM can generate singlet oxygen, causing oxidative damage. Thus, TMs should be kept in the dark when not in use. Although NADPH generation activity by TM can be extended via silica encapsulation, further removal of hydrogen peroxide results in an improvement of TM sustainability. Therefore, as long as ROS formation by TM in light is properly handled, it can be used as a promising source of reducing power for in vitro biochemical reactions. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12934-022-01825-1.
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Ki MR, Kim SH, Nguyen TKM, Son RG, Jun SH, Pack SP. BMP2-Mediated Silica Deposition: An Effective Strategy for Bone Mineralization. ACS Biomater Sci Eng 2022; 9:1823-1833. [PMID: 35090106 DOI: 10.1021/acsbiomaterials.1c01095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The combined use of an osteogenic factor, such as bone morphogenetic protein 2 (BMP2), with a bone scaffold was quite functional for the reconstruction of bone defects. Although many studies using BMP2 have been done, there is still a need to develop an efficient way to apply BMP2 in the bone scaffold. Here, we reported an interesting fact that BMP2 has a silica deposition ability in the presence of silicic acid and proposed that such an ability of BMP2 can effectively immobilize and transport itself by a kind of coprecipitation of BMP2 with a silica matrix. The presence of BMP2 in the resulting silica was proved by SEM and EDS and was visualized by FITC-labeled BMP2. The delivery efficacy of BMP2 of silica-entrapped BMP2 on osteoblast differentiation and mineralization using MC3T3 E1 preosteoblast cells was evaluated in vitro. The coprecipitated BMP2 with silica exhibited osteogenesis at a low concentration that was insufficient to give an osteoinductive signal as the free form. Expectedly, the silica-entrapped BMP2 exhibited thermal stability over free BMP2. When applied to bone graft substitution, e.g., hydroxyapatite granules (HA), silica-entrapped BMP 2 laden HA (BMP2@Si/HA) showed sustained BMP2 release, whereas free BMP2 adsorbed HA by a simple dipping method (BMP2/HA) displayed a burst release of BMP2 at an initial time. In the rat critical-size calvarial defect model, BMP2@Si/HA showed better bone regeneration than BMP2/HA by about 10%. The BMP2/silica hybrid deposited on a carrier surface via BMP2-mediated silica precipitation demonstrated an increase in the loading efficiency, a decrease in the burst release of BMP2, and an increase in bone regeneration. Taken together, the coprecipitated BMP2 with a silica matrix has the advantages of not only being able to immobilize BMP2 efficiently without compromising its function but also serving as a stable carrier for BMP2 delivery.
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Affiliation(s)
- Mi-Ran Ki
- Department of Biotechnology and Bioinformatics, Korea University, 2511 Sejong-ro, Sejong 30019, Korea.,Institution of Industrial Technology, Korea University, 2511 Sejong-ro, Sejong 30019, Korea
| | - Sung Ho Kim
- Department of Biotechnology and Bioinformatics, Korea University, 2511 Sejong-ro, Sejong 30019, Korea
| | - Thi Khoa My Nguyen
- Department of Biotechnology and Bioinformatics, Korea University, 2511 Sejong-ro, Sejong 30019, Korea
| | - Ryeo Gang Son
- Department of Biotechnology and Bioinformatics, Korea University, 2511 Sejong-ro, Sejong 30019, Korea
| | - Sang Ho Jun
- Departmtnt of Oral and Maxillofacial Surgery, Korea University Anam Hospital, 73 Goryeodae-ro, Seoul 02841, Korea
| | - Seung Pil Pack
- Department of Biotechnology and Bioinformatics, Korea University, 2511 Sejong-ro, Sejong 30019, Korea
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Cheon EJ, Kim SH, Lee DK, Jo YK, Ki MR, Park CJ, Jang HS, Ahn JS, Pack SP, Jun SH. Osteostimulating Ability of β-tricalcium Phosphate/collagen Composite as a Practical Bone-grafting Substitute: In vitro and in vivo Comparison Study with Commercial One. BIOTECHNOL BIOPROC E 2021. [DOI: 10.1007/s12257-021-0059-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Min KH, Shin JW, Ki MR, Kim SH, Kim KH, Pack SP. Bio-inspired formation of silica particles using the silica-forming peptides found by silica-binding motif sequence, RRSSGGRR. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Abdelhamid MAA, Pack SP. Biomimetic and bioinspired silicifications: Recent advances for biomaterial design and applications. Acta Biomater 2021; 120:38-56. [PMID: 32447061 DOI: 10.1016/j.actbio.2020.05.017] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 05/06/2020] [Accepted: 05/13/2020] [Indexed: 12/12/2022]
Abstract
The rational design and controllable synthesis of functional silica-based materials have gained increased interest in a variety of biomedical and biotechnological applications due to their unique properties. The current review shows that marine organisms, such as siliceous sponges and diatoms, could be the inspiration for the fabrication of advanced biohybrid materials. Several biomolecules were involved in the molecular mechanism of biosilicification in vivo. Mimicking their behavior, functional silica-based biomaterials have been generated via biomimetic and bioinspired silicification in vitro. Additionally, several advanced technologies were developed for in vitro and in vivo immobilization of biomolecules with potential applications in biocatalysis, biosensors, bioimaging, and immunoassays. A thin silica layer could coat a single living cell or virus as a protective shell offering new opportunities in biotechnology and nanomedicine fields. Promising nanotechnologies have been developed for drug encapsulation and delivery in a targeted and controlled manner, in particular for poorly soluble hydrophobic drugs. Moreover, biomimetic silica, as a morphogenetically active biocompatible material, has been utilized in the field of bone regeneration and in the development of biomedical implantable devices. STATEMENT OF SIGNIFICANCE: In nature, silica-based biomaterials, such as diatom frustules and sponge spicules, with high mechanical and physical properties were created under biocompatible conditions. The fundamental knowledge underlying the molecular mechanisms of biosilica formation could inspire engineers and chemists to design novel hybrid biomaterials using molecular biomimetic strategies. The production of such biohybrid materials brings the biosilicification field closer to practical applications. This review starts with the biosilicification process of sponges and diatoms with recently updated researches. Then, this article covers recent advances in the design of silica-based biomaterials and their potential applications in the fields of biotechnology and nanomedicine, highlighting several promising technologies for encapsulation of functional proteins and living cells, drug delivery and the preparation of scaffolds for bone regeneration.
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Affiliation(s)
- Mohamed A A Abdelhamid
- Department of Biotechnology and Bioinformatics, Korea University, Sejong-Ro 2511, Sejong 30019, Republic of Korea; Department of Botany and Microbiology, Faculty of Science, Minia University, Minia 61519, Egypt
| | - Seung Pil Pack
- Department of Biotechnology and Bioinformatics, Korea University, Sejong-Ro 2511, Sejong 30019, Republic of Korea.
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Production of TiO2-deposited Diatoms and Their Applications for Photo-catalytic Degradation of Aqueous Pollutants. BIOTECHNOL BIOPROC E 2020. [DOI: 10.1007/s12257-020-0019-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Qiu Y, Lin Y, Zhang G. Unique silica biomimetic mineralization of acidic elastin-like polypeptides without hydroxyl and charged residues. Int J Biol Macromol 2020; 153:224-231. [PMID: 32142846 DOI: 10.1016/j.ijbiomac.2020.03.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 02/18/2020] [Accepted: 03/02/2020] [Indexed: 11/26/2022]
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