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Lyu J, Li F, Long H, Zhu X, Fu N, Guo Z, Zhang W. Bacterial templated carbonate mineralization: insights from concave-type crystals induced by Curvibacter lanceolatus strain HJ-1. RSC Adv 2024; 14:353-363. [PMID: 38173589 PMCID: PMC10758759 DOI: 10.1039/d3ra06803j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 12/11/2023] [Indexed: 01/05/2024] Open
Abstract
The elucidation of carbonate crystal growth mechanisms contributes to a deeper comprehension of microbial-induced carbonate precipitation processes. In this research, the Curvibacter lanceolatus HJ-1 strain, well-known for its proficiency in inducing carbonate mineralization, was employed to trigger the formation of concave-type carbonate minerals. The study meticulously tracked the temporal alterations in the culture solution and conducted comprehensive analyses of the precipitated minerals' mineralogy and morphology using advanced techniques such as X-ray diffraction, scanning electron microscopy, focused ion beam, and transmission electron microscopy. The findings unequivocally demonstrate that concave-type carbonate minerals are meticulously templated by bacterial biofilms and employ calcified bacteria as their fundamental structural components. The precise morphological evolution pathway can be delineated as follows: initiation with the formation of bacterial biofilms, followed by the aggregation of calcified bacterial clusters, ultimately leading to the emergence of concave-type minerals characterized by disc-shaped, sunflower-shaped, and spherical morphologies.
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Affiliation(s)
- Jiejie Lyu
- Department of Geography, Fuyang Normal University China
- College of Resource and Environment, Nanjing Agricultural University China
| | - Fuchun Li
- College of Resource and Environment, Nanjing Agricultural University China
| | - Haoran Long
- Department of Geography, Fuyang Normal University China
| | - Xinru Zhu
- Department of Geography, Fuyang Normal University China
| | - Nan Fu
- Department of Geography, Fuyang Normal University China
| | - Ziqi Guo
- College of Resource and Environment, Nanjing Agricultural University China
| | - Weiqing Zhang
- College of Resource and Environment, Nanjing Agricultural University China
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2
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Su M, Li C, Deng S, Xu L, Shan Z, Xing Y, Li X, Li Y, Liu X, Zhong X, Chen K, Chen S, Liu Q, Wu X, Chen Z, Wu S, Chen Z. Balance between the CMC/ACP Nanocomplex and Blood Assimilation Orchestrates Immunomodulation of the Biomineralized Collagen Matrix. ACS APPLIED MATERIALS & INTERFACES 2023; 15:58166-58180. [PMID: 38079631 DOI: 10.1021/acsami.3c12390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2023]
Abstract
Calcium phosphate-based biomineralized biomaterials have broad application prospects. However, the immune response and foreign body reactions elicited by biomineralized materials have drawn substantial attention recently, contrary to the immune microenvironment optimization concept. Therefore, it is important to clarify the immunomodulation properties of biomineralized materials. Herein, we prepared the biomineralized collagen matrix (BCM) and screened the key immunomodulation factor carboxymethyl chitosan/amorphous calcium phosphate (CMC/ACP) nanocomplex. The immunomodulation effect of the BCM was investigated in vitro and in vivo. The BCM triggered evident inflammatory responses and cascade foreign body reactions by releasing the CMC/ACP nanocomplex, which activated the potential TLR4-MAPK/NF-κB pathway, compromising the collagen matrix biocompatibility. By contrast, blocking the CMC/ACP nanocomplex release via the blood assimilation process of the BCM mitigated the inflammation and foreign body reactions, enhancing biocompatibility. Hence, the immunomodulation of the BCM was orchestrated by the balance between the CMC/ACP nanocomplex and the blood assimilation process. Controlling the release of the CMC/ACP nanocomplex to accord the biological effects of ACP with the temporal regenerative demands is key to developing advanced biomineralized materials.
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Affiliation(s)
- Mengxi Su
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Chuangji Li
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Shudan Deng
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Leyao Xu
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Zhengjie Shan
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Yihan Xing
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Xiyan Li
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Ye Li
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Xingchen Liu
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Xinyi Zhong
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Kaidi Chen
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Shoucheng Chen
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Quan Liu
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Xiayi Wu
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Zetao Chen
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Shiyu Wu
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
| | - Zhuofan Chen
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, China
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3
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Tang L, Zhu L, Liu Y, Zhang Y, Li B, Wang M. Crosslinking Improve Demineralized Dentin Performance and Synergistically Promote Biomimetic Mineralization by CaP_PILP. ACS OMEGA 2023; 8:14410-14419. [PMID: 37125137 PMCID: PMC10134218 DOI: 10.1021/acsomega.2c07825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 03/28/2023] [Indexed: 05/03/2023]
Abstract
OBJECTIVE to explore the effects of optimal crosslinking (chemical treatment) on demineralized dentin matrix and the possible synergism with calcium phosphate polymer-induced liquid precursor (CaP-PILP) bionic remineralization (physical treatment), and offer benefit to the clinic of resin-dentin bonding and dentin hypersensitivity. METHODS demineralized dentin was treated with glutaraldehyde (GA), carbodiimide (EDC), and procyanidin (PA) for crosslinking, followed by CaP-PILP biomimetic remineralization. The morphology, surface mechanical and physio-chemical properties, and enzymatic resistance were evaluated regardless of the modification. RESULTS the collagen fibers appeared morphologically complete with higher surface microhardness and characteristic peaks of amide I-III bands were visible after GA, PA, and EDC crosslinking. Collagen collapse and dissolution were seen in untreated demineralized dentin with enzyme attack, while the collagen fiber structure remained intact in GA- and PA-treated specimens. The lamellar mineral phase was visible at 2 days and the dentin tubules were almost completely enclosed at 4-6 days after PA crosslinking and mineralization. However, demineralized collagen fibers and open tubules were still visible between the dentinal tubules on day 8 in the control group. CONCLUSION the structure integrity, enzyme resistance, and mechanical properties of the collagen fiber network could be significantly preserved by GA and PA crosslinking than EDC and no treatment. While, strongest synergistic effects were observed in PA on bionic remineralization by CaP-PILP, and further significantly improve the quality and shorten the duration of mineralization. These findings would be beneficial for dental clinical practice of resin-dentin bonding and dentin hypersensitivity.
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Affiliation(s)
- Lin Tang
- Department
of Prosthodontics & National Center of Stomatology & National
Clinical Research Center for Oral Diseases & National Engineering
Laboratory for Digital and Material Technology of Stomatology &
Beijing Key Laboratory of Digital Stomatology & Research Center
of Engineering and Technology for Computerized Dentistry Ministry
of Health & NMPA Key Laboratory for Dental Materials, Peking University School and Hospital of Stomatology, Beijing 100081, P. R. China
| | - Lingli Zhu
- Department
of Prosthodontics & National Center of Stomatology & National
Clinical Research Center for Oral Diseases & National Engineering
Laboratory for Digital and Material Technology of Stomatology &
Beijing Key Laboratory of Digital Stomatology & Research Center
of Engineering and Technology for Computerized Dentistry Ministry
of Health & NMPA Key Laboratory for Dental Materials, Peking University School and Hospital of Stomatology, Beijing 100081, P. R. China
| | - Yuhua Liu
- Department
of Prosthodontics & National Center of Stomatology & National
Clinical Research Center for Oral Diseases & National Engineering
Laboratory for Digital and Material Technology of Stomatology &
Beijing Key Laboratory of Digital Stomatology & Research Center
of Engineering and Technology for Computerized Dentistry Ministry
of Health & NMPA Key Laboratory for Dental Materials, Peking University School and Hospital of Stomatology, Beijing 100081, P. R. China
| | - Yi Zhang
- Department
of General Dentistry, Peking University School and Hospital of Stomatology
& National Center of Stomatology & National Clinical Research
Center for Oral Diseases & National Engineering Laboratory for
Digital and Material Technology of Stomatology & Beijing Key Laboratory
of Digital Stomatology & Research Center of Engineering and Technology
for Computerized Dentistry Ministry of Health & NMPA Key Laboratory
for Dental Materials, Peking University
School and Hospital of Stomatology, Beijing 100081, P. R.
China
| | - Bowen Li
- Department
of Stomatology, National Center of Gerontology, National Health Commission,
Institute of Geriatric Medicine, Chinese Academy of Medical Science, Beijing Hospital, Beijing 100730, P. R. China
| | - Mei Wang
- Department
of Stomatology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, P. R. China
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4
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Dawasaz AA, Togoo RA, Mahmood Z, Ahmad A, Thirumulu Ponnuraj K. Remineralization of Dentinal Lesions Using Biomimetic Agents: A Systematic Review and Meta-Analysis. Biomimetics (Basel) 2023; 8:biomimetics8020159. [PMID: 37092411 PMCID: PMC10123630 DOI: 10.3390/biomimetics8020159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 04/12/2023] [Accepted: 04/13/2023] [Indexed: 04/25/2023] Open
Abstract
The objective of this article was to systematically provide an up-to-date review on the different methods of remineralizing human dentine using different biomimetic agents. The authors performed a systematic search within PubMed, Scopus, and Web of Science in addition to the grey literature in Google Scholar® using MeSH terms. The PICO question was P: human teeth dentinal sections; I: application of biomimetic remineralizing agents; C: other non-biomimetic approaches; O: extent of remineralization and physical properties of remineralized dentine. The initially identified studies were screened for titles and abstracts. Non-English articles, reviews, animal studies, studies involving the resin-dentine interface, and other irrelevant articles were then excluded. The other remaining full-text articles were retrieved. Bibliographies of the remaining articles were searched for relevant studies that could be included. A total of 4741 articles were found, and finally, 39 full-text articles were incorporated in the current systematic review. From these, twenty-six research studies used non-collagenous protein (NCP) analogs to biomineralize dentine, six studies used bioactive materials derived from natural sources, six studies used zinc hydroxyapatite, and one study used amelogenin peptide to induce hydroxyapatite formation on the surface of demineralized dentine. Additive effects of triclosan and epigenin were assessed when combined with commonly available NCPs. Overall, a moderate risk of bias was observed and, hence, the findings of the included studies could be acceptable. A meta-analysis of some similar studies was performed to assess the depth of remineralization and elastic modulus. Despite having high heterogeneity (I2 > 90), all the studies showed a significant improvement in biomimetic remineralization efficacy as compared to the control. All the included studies carried out a functional remineralization assessment and found a 90-98% efficacy in the extent of remineralization while the elastic modulus reached 88.78 ± 8.35 GPa, which is close to natural dentine. It is pertinent to note the limitations of these studies that have been carried out in vitro under controlled settings, which lack the effects of a natural oral environment. To conclude, the authors suggest that the biomimetic remineralization of dentine using NCP analogs, bioactive materials, and natural products carries significant potential in treating dentinal lesions; however, more long-term studies are needed to assess their clinical applications in vivo.
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Affiliation(s)
- Ali Azhar Dawasaz
- Department of Diagnostic Dental Sciences, College of Dentistry, King Khalid University, Abha 62529, Saudi Arabia
- School of Dental Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia
| | - Rafi Ahmad Togoo
- Department of Pediatric Dentistry and Orthodontic Sciences, College of Dentistry, King Khalid University, Abha 62529, Saudi Arabia
| | - Zuliani Mahmood
- School of Dental Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia
| | - Azlina Ahmad
- School of Dental Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia
| | - Kannan Thirumulu Ponnuraj
- School of Dental Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia
- Human Genome Centre, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia
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5
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Li X, Li C, Su M, Zhong X, Xing Y, Shan Z, Chen S, Liu X, Wu X, Liu Q, Li Y, Wu S, Chen Z. Optimizing the biodegradability and osteogenesis of biogenic collagen membrane via fluoride-modified polymer-induced liquid precursor process. SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS 2023; 24:2186690. [PMID: 36926201 PMCID: PMC10013244 DOI: 10.1080/14686996.2023.2186690] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 02/12/2023] [Accepted: 02/28/2023] [Indexed: 06/18/2023]
Abstract
Biogenic collagen membranes (BCM) have been widely used in guided bone regeneration (GBR) owing to their biodegradability during tissue integration. However, their relatively high degradation rate and lack of pro-osteogenic properties limit their clinical outcomes. It is of great importance to endow BCM with tailored degradation as well as pro-osteogenic properties. In this study, a fluoride-modified polymer-induced liquid precursor (PILP) based biomineralization strategy was used to convert the collagen membrane from an organic phase to an apatite-based inorganic phase, thus achieving enhanced anti-degradation performance as well as osteogenesis. As a result, three phases of collagen membranes were prepared. The original BCM in the organic phase induced the mildest inflammatory response and was mostly degraded after 4 weeks. The organic-inorganic mixture phase of the collagen membrane evoked a prominent inflammatory response owing to the fluoride-containing amorphous calcium phosphate (F-ACP) nanoparticles, resulting in active angiogenesis and fibrous encapsulation, whereas the inorganic phase induced a mild inflammatory response and degraded the least owing to the transition of F-ACP particles into calcium phosphate with high crystallinity. Effective control of ACP is key to building novel apatite-based barrier membranes. The current results may pave the way for the development of advanced apatite-based membranes with enhanced barrier performances.
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Affiliation(s)
- Xiyan Li
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Chuangji Li
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Mengxi Su
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Xinyi Zhong
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Yihan Xing
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Zhengjie Shan
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Shoucheng Chen
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Xingchen Liu
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Xiayi Wu
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Quan Liu
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Ye Li
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Shiyu Wu
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Zhuofan Chen
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
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6
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Biomimetic Construction of the Enamel-like Hierarchical Structure. Chem Res Chin Univ 2023. [DOI: 10.1007/s40242-023-2336-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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7
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Mitchell J, Lo KWH. Small molecule-mediated regenerative engineering for craniofacial and dentoalveolar bone. Front Bioeng Biotechnol 2022; 10:1003936. [PMID: 36406208 PMCID: PMC9667056 DOI: 10.3389/fbioe.2022.1003936] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 10/18/2022] [Indexed: 09/29/2023] Open
Abstract
The comprehensive reconstruction of extensive craniofacial and dentoalveolar defects remains a major clinical challenge to this day, especially in complex medical cases involving cancer, cranioplasty, and traumatic injury. Currently, osteogenic small molecule-based compounds have been explored extensively to repair and regenerate bone tissue because of their unique advantages. Over the past few years, a number of small molecules with the potential of craniofacial and periodontal bone tissue regeneration have been reported in literature. In this review, we discuss current progress using small molecules to regulate cranial and periodontal bone regeneration. Future directions of craniofacial bone regenerative engineering using the small molecule-based compounds will be discussed as well.
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Affiliation(s)
- Juan Mitchell
- School of Dental Medicine, University of Connecticut Health Center, Farmington, CT, United States
| | - Kevin W. H. Lo
- School of Medicine, Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health Center, Farmington, CT, United States
- Department of Medicine, Division of Endocrinology, School of Medicine, University of Connecticut Health Center, Farmington, CT, United States
- Department of Biomedical Engineering, School of Engineering, University of Connecticut, Storrs, CT, United States
- School of Engineering, Institute of Materials Science (IMS), University of Connecticut, Storrs, CT, United States
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8
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Li Z, Ren Q, Han S, Ding L, Qin X, Hu D, He T, Tian T, Lu Z, Zhang L. Promoting effect of a calcium-responsive self-assembly β-sheet peptide on collagen intrafibrillar mineralization. Regen Biomater 2022; 9:rbac059. [PMID: 36176712 PMCID: PMC9514854 DOI: 10.1093/rb/rbac059] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 06/12/2022] [Accepted: 08/24/2022] [Indexed: 12/03/2022] Open
Abstract
Recently, a de novo synthetic calcium-responsive self-assembly β-sheet peptide ID8 (Ile-Asp-Ile-Asp-Ile-Asp-Ile-Asp) has been developed to serve as the template inducing hydroxyapatite nucleation. The aim of this study was to evaluate the effect of ID8 on intrafibrillar mineralization of collagen making full use of its self-assembly ability. The mineralization experiments were carried out in vitro on both bare Type I collagen and fully demineralized dentin samples. The calcium-responsive self-assembly of ID8 was revealed by circular dichroism spectrum, 8-anilino-1-naphthalenesulfonic acid ammonium salt hydrate assay, attenuated total reflection Fourier transform infrared spectrum (ATR-FTIR) and transmission electron microscope (TEM). Polyacrylic acid (450 kDa) with a concentration of 100 μg ml−1 was selected as the nucleation inhibitor based on the determination of turbidimetry and TEM with selected area electron diffraction (TEM-SAED). The results showed that collagen intrafibrillar mineralization was significantly promoted with the pretreatment of self-assembly ID8 detected by TEM-SAED, SEM, X-ray diffraction and ATR-FTIR. The pretreatment of collagen utilizing self-assembly ID8 not only enhanced intermolecular hydrogen bonding but also contributed to calcium retention inside collagen and significantly increased the hydrophilicity of collagen. These results indicated that peptides with self-assembly properties like ID8 are expected to be potential tools for biomimetic mineralization of collagen.
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Affiliation(s)
- Zhongcheng Li
- National Clinical Research Centre for Oral Diseases State Key Laboratory of Oral Diseases, , Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, Sichuan, China
| | - Qian Ren
- National Clinical Research Centre for Oral Diseases State Key Laboratory of Oral Diseases, , Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, Sichuan, China
| | - Sili Han
- National Clinical Research Centre for Oral Diseases State Key Laboratory of Oral Diseases, , Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, Sichuan, China
| | - Longjiang Ding
- National Clinical Research Centre for Oral Diseases State Key Laboratory of Oral Diseases, , Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, Sichuan, China
| | - Xi Qin
- Shenzhen Stomatology Hospital Department of Oral Medicine, , 518038, China, Shenzhen, Guangdong
| | - Die Hu
- National Clinical Research Centre for Oral Diseases State Key Laboratory of Oral Diseases, , Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, Sichuan, China
| | - Ting He
- National Clinical Research Centre for Oral Diseases State Key Laboratory of Oral Diseases, , Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, Sichuan, China
| | - Tian Tian
- National Clinical Research Centre for Oral Diseases State Key Laboratory of Oral Diseases, , Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, Sichuan, China
| | - Ziqian Lu
- National Clinical Research Centre for Oral Diseases State Key Laboratory of Oral Diseases, , Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, Sichuan, China
| | - Linglin Zhang
- National Clinical Research Centre for Oral Diseases State Key Laboratory of Oral Diseases, , Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, Sichuan, China
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9
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The Role of Process-Directing Agents on Enamel Lesion Remineralization: Fluoride Boosters. Biomimetics (Basel) 2022; 7:biomimetics7020054. [PMID: 35645181 PMCID: PMC9149830 DOI: 10.3390/biomimetics7020054] [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: 03/11/2022] [Revised: 04/17/2022] [Accepted: 04/26/2022] [Indexed: 11/17/2022] Open
Abstract
The aim of this study was to investigate the effects of two process-directing agents (polyaspartic acid and osteopontin) used in a polymer-induced liquid-precursor (PILP) process on the remineralization of bacteria-induced enamel demineralization. Enamel demineralization lesions (depths of about 180–200 µm) were created and exposed to Streptococcus mutans, cultured with a 10% sucrose solution for 21 days, and remineralized using a PILP process (pH = 7.4, 14 days) with a calcium phosphate solution containing either polyaspartic acid or osteopontin in the presence or absence of fluoride (0.5 ppm). The specimens were examined under scanning electron microscopy. The fluoride was successfully incorporated into the PILP remineralization process for both polyaspartic acid and osteopontin. When the fluoride was added to the PILP remineralization solution, there was more uniform remineralization throughout the lesion than with either polyaspartic acid or osteopontin alone. However, in the absence of these process-directing agents, fluoride alone showed less remineralization with the formation of a predominantly surface-only layer. The PILP remineralization process relies on the ability of process-directing agents to stabilize calcium phosphate ions and holds promise for enamel lesion remineralization, and these agents, in the presence of fluoride, seem to play an important role as a booster or supplement in the continuation of remineralization by reducing the mineral gains at the surface layer.
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Mai S, Zhang Q, Liao M, Ma X, Zhong Y. Recent Advances in Direct Adhesive Restoration Resin-Based Dental Materials With Remineralizing Agents. FRONTIERS IN DENTAL MEDICINE 2022. [DOI: 10.3389/fdmed.2022.868651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Resin-based dental materials are popular restorative materials especially in direct adhesive restoration because of the excellent mechanical and esthetic properties. Toward the realization of minimally invasive dental procedures, direct composite resin adhesive restoration has become the main treatment for dental defects. In addition, for caries-affected dentin close to the pulp, conservation remineralization has been advocated to save the living pulp. However, the resin–dentin interface can be destabilized by various factors, especially the enzymatic degradation of collagen fibrils within the hybrid layer and polymer hydrolysis. Furthermore, for resin-based restorative materials, the marginal gap remains a major problem that can lead to the occurrence of secondary caries. To address these issues, research efforts have focused on the remineralization of mineral-depleted dental hard tissues using remineralizing bioactive substances. In this review, we first described various bioactive agents with remineralizing properties. Furthermore, we discussed recent advances in resin-based dental materials for enamel or dentin remineralization. Finally, we examined the current challenges and prospects of these emerging materials. This work aims to provide a theoretical foundation for the future development of resin-based dental materials in direct adhesive restoration with remineralizing agents.
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11
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Saxena N, Mizels J, Cremer MA, Guarnizo V, Rodriguez DE, Gower LB. Comparison of Synthetic vs. Biogenic Polymeric Process-Directing Agents for Intrafibrillar Mineralization of Collagen. Polymers (Basel) 2022; 14:polym14040775. [PMID: 35215688 PMCID: PMC8879695 DOI: 10.3390/polym14040775] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/14/2022] [Accepted: 02/14/2022] [Indexed: 12/10/2022] Open
Abstract
With the aging population, there is a growing need for mineralized tissue restoration and synthetic bone substitutes. Previous studies have shown that a polymer-induced liquid-precursor (PILP) process can successfully mineralize collagen substrates to achieve compositions found in native bone and dentin. This process also leads to intrafibrillar apatitic crystals with their [001] axes aligned roughly parallel to the long axis of the collagen fibril, emulating the nanostructural organization found in native bone and dentin. When demineralized bovine bone was remineralized via the PILP process using osteopontin (OPN), the samples were able to activate mouse marrow-derived osteoclasts to similar levels to those of native bone, suggesting a means for fabricating bioactive bone substitutes that could trigger remodeling through the native bone multicellular unit (BMU). In order to determine if OPN derived from bovine milk could be a cost-effective process-directing agent, the mineralization of type I collagen scaffolds using this protein was compared to the benchmark polypeptide of polyaspartic acid (sodium salt; pAsp). In this set of experiments, we found that OPN led to much faster and more uniform mineralization when compared with pAsp, making it a cheaper and commercially attractive alternative for mineralized tissue restorations.
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Affiliation(s)
- Neha Saxena
- Department of Materials Science & Engineering, University of Florida, Gainesville, FL 32611, USA; (N.S.); (J.M.); (M.A.C.); (V.G.); (D.E.R.)
- Bio-Therapeutics Drug Product Development, Janssen Pharmaceuticals, Inc., Malvern, PA 19355, USA
| | - Joshua Mizels
- Department of Materials Science & Engineering, University of Florida, Gainesville, FL 32611, USA; (N.S.); (J.M.); (M.A.C.); (V.G.); (D.E.R.)
- Department of Orthopaedic Surgery, University of Utah, Salt Lake City, UT 84112, USA
| | - Maegan A. Cremer
- Department of Materials Science & Engineering, University of Florida, Gainesville, FL 32611, USA; (N.S.); (J.M.); (M.A.C.); (V.G.); (D.E.R.)
- College of Medicine, University of Florida, Gainesville, FL 32611, USA
| | - Vanessa Guarnizo
- Department of Materials Science & Engineering, University of Florida, Gainesville, FL 32611, USA; (N.S.); (J.M.); (M.A.C.); (V.G.); (D.E.R.)
- Quality Engineering, Medtronic ENT, Jacksonville, FL 32611, USA
| | - Douglas E. Rodriguez
- Department of Materials Science & Engineering, University of Florida, Gainesville, FL 32611, USA; (N.S.); (J.M.); (M.A.C.); (V.G.); (D.E.R.)
- R&D, Novabone Products LLC, Alachua, FL 32611, USA
| | - Laurie B. Gower
- Department of Materials Science & Engineering, University of Florida, Gainesville, FL 32611, USA; (N.S.); (J.M.); (M.A.C.); (V.G.); (D.E.R.)
- Correspondence:
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12
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Qin D, He Z, Li P, Zhang S. Liquid-Liquid Phase Separation in Nucleation Process of Biomineralization. Front Chem 2022; 10:834503. [PMID: 35186885 PMCID: PMC8854647 DOI: 10.3389/fchem.2022.834503] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 01/14/2022] [Indexed: 12/21/2022] Open
Abstract
Biomineralization is a typical interdisciplinary subject attracting biologists, chemists, and geologists to figure out its potential mechanism. A mounting number of studies have revealed that the classical nucleation theory is not suitable for all nucleation process of biominerals, and phase-separated structures such as polymer-induced liquid precursors (PILPs) play essential roles in the non-classical nucleation processes. These structures are able to play diverse roles biologically or pathologically, and could also give inspiring clues to bionic applications. However, a lot of confusion and dispute occurred due to the intricacy and interdisciplinary nature of liquid precursors. Researchers in different fields may have different opinions because the terminology and current state of understanding is not common knowledge. As a result, our team reviewed the most recent articles focusing on the nucleation processes of various biominerals to clarify the state-of-the-art understanding of some essential concepts and guide the newcomers to enter this intricate but charming field.
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Affiliation(s)
| | | | - Peng Li
- *Correspondence: Peng Li, ; Shutian Zhang,
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13
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Chen Z, Duan Y, Shan S, Sun K, Wang G, Shao C, Tang Z, Xu Z, Zhou Y, Chen Z, Tang R, Pan H, Xie Z. Deep and compact dentinal tubule occlusion via biomimetic mineralization and mineral overgrowth. NANOSCALE 2022; 14:642-652. [PMID: 34935821 DOI: 10.1039/d1nr05479a] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Dentinal tubule (DT) occlusion by desensitizing agents has been widely applied to inhibit the transmission of external stimuli that cause dentin hypersensitivity (DH). However, most desensitizing agents merely accomplish porous blocking or the formation of a superficial tubular occlusion layer, resulting in a lack of mechanical and acid resistance and long-term stability. Herein, combining biomimetic mineralization and mineral overgrowth of the dentinal matrix was shown to effectively occlude DTs, resulting in the formation of a compact and deep occluding mineral layer that is strongly bound to the organic matrix on tubule walls. This DT occlusion method could achieve both mechanical resistance and acid resistance, demonstrating the potential of an inexpensive, long-term, and efficient therapy for treating DH.
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Affiliation(s)
- Zhuo Chen
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Clinical Research Center for Oral Diseases of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310006, China.
| | - Yuyan Duan
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Clinical Research Center for Oral Diseases of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310006, China.
| | - Songzhe Shan
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Clinical Research Center for Oral Diseases of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310006, China.
| | - Kaida Sun
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Clinical Research Center for Oral Diseases of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310006, China.
| | - Gang Wang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Clinical Research Center for Oral Diseases of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310006, China.
| | - Changyu Shao
- Center for Biomaterials and Biopathways, Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Zhenhang Tang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Clinical Research Center for Oral Diseases of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310006, China.
| | - Zekai Xu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Clinical Research Center for Oral Diseases of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310006, China.
| | - Yanyan Zhou
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Clinical Research Center for Oral Diseases of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310006, China.
| | - Zhi Chen
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China
| | - Ruikang Tang
- Center for Biomaterials and Biopathways, Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Haihua Pan
- Qiushi Academy for Advanced Studies, Zhejiang University, Hangzhou 310027, China.
| | - Zhijian Xie
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Clinical Research Center for Oral Diseases of Zhejiang Province, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310006, China.
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14
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Wang J, Liu Q, Guo Z, Pan H, Liu Z, Tang R. Progress on Biomimetic Mineralization and Materials for Hard Tissue Regeneration. ACS Biomater Sci Eng 2021; 9:1757-1773. [PMID: 34870411 DOI: 10.1021/acsbiomaterials.1c01070] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Biomineralization is a process in which natural organisms regulate the crystal growth of inorganic minerals, resulting in hierarchical structured biominerals with excellent properties. Typical biominerals in the human body are the bones and teeth, and damage to these hard tissues directly affect our daily lives. The repair of bones and teeth in a biomimetic way, either by using a biomimetic mineralization strategy or biomimetic materials, is the key for hard tissue regeneration. In this review, we briefly introduce the structure of bone and tooth, and highlight the fundamental role of collagen mineralization in tissue repair. The recent progress on intra-/extrafibrillar collagen mineralization by a biomimetic strategy or materials is presented, and their potential for tissue regeneration is discussed. Then, recent achievements on bone and tooth repair are summarized, and these works are discussed in the view of materials science and biological science, providing a broader vision for the future research of hard tissue repair techniques. Lastly, recent progress on hard tissue regeneration is concluded, and existing problems and future directions are prospected.
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Affiliation(s)
- Jie Wang
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China
| | - Qiqi Liu
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China
| | - Zhengxi Guo
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China
| | - Haihua Pan
- Qiushi Academy for Advanced Studies, Zhejiang University, Hangzhou 310027, China
| | - Zhaoming Liu
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China.,State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou, Zhejiang 310027, China
| | - Ruikang Tang
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China.,State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou, Zhejiang 310027, China
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15
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Fang W, Ping H, Wagermaier W, Jin S, Amini S, Fratzl P, Sha G, Xia F, Wu J, Xie H, Zhai P, Wang W, Fu Z. Rapid collagen-directed mineralization of calcium fluoride nanocrystals with periodically patterned nanostructures. NANOSCALE 2021; 13:8293-8303. [PMID: 33890949 DOI: 10.1039/d1nr00789k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Collagen fibrils present periodic structures, which provide space for intrafibrillar growth of oriented hydroxyapatite nanocrystals in bone and contribute to the good mechanical properties of bone. However, there are not many reports focused on bioprocess-inspired synthesis of non-native inorganic materials inside collagen fibrils and detailed forming processes of crystals inside collagen fibrils remain poorly understood. Herein, the rapid intrafibrillar mineralization of calcium fluoride nanocrystals with a periodically patterned nanostructure is demonstrated. The negatively charged calcium fluoride precursor phase infiltrates collagen fibrils through the gap zones creating an intricate periodic mineralization pattern. Later, the nanocrystals initially filling the gap zones only expand gradually into the remaining space within the collagen fibrils. Mineralized tendons with organized calcium fluoride nanocrystals acquire mechanical properties (indentation elastic modulus ∼25.1 GPa and hardness ∼1.5 GPa) comparable or even superior to those of native human dentin and lamellar bone. Understanding the mineral growth processes in collagen may facilitate the development of tissue engineering and repairing.
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Affiliation(s)
- Weijian Fang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Luoshi Road No. 122, Wuhan, 430070, China.
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16
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Niu J, Li D, Zhou Z, Zhang J, Liu D, Zhao W, Zhao C, Liu X. The incorporation of phosphorylated chitosan/amorphous calcium phosphate nanocomplex into an experimental composite resin. Dent Mater J 2021; 40:422-430. [PMID: 33518690 DOI: 10.4012/dmj.2019-427] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
This study evaluated the effect of incorporating phosphorylated chitosan/amorphous calcium phosphate nanocomplex (Pchi/ACP) into an experimental light-cure composite resin on mechanical-chemical properties and human dentin remineralization. The results showed that the mechanical strength and contact angles of the resins decreased with the increase incorporation of Pchi/ACP. Release concentrations of calcium in saline solution were measured at different time points, showing the incorporation of Pchi/ACP significantly increased calcium release within 14 days, and kept steady thereafter. Finally, the demineralized dentin slabs treated with our resins for four weeks were characterized by SEM-EDS. Various amounts of apatite were formed on the dentin slabs which were treated with the resins containing Pchi/ACP, whereas no apatite was formed without Pchi/ACP. In conclusion, the Pchi/ACP-incorporating composite resin can be a promising dental material due to its favorable mechanical and remineralization properties.
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Affiliation(s)
- Ju Niu
- Department of Prosthodontics, Hospital of Stomatology, Jilin University
| | - Di Li
- Department of Prosthodontics, Hospital of Stomatology, Jilin University
| | - Zeying Zhou
- Department of Prosthodontics, Hospital of Stomatology, Jilin University
| | - Jingyue Zhang
- Department of Prosthodontics, Hospital of Stomatology, Jilin University
| | - Dandan Liu
- Department of Prosthodontics, Hospital of Stomatology, Jilin University
| | - Wendi Zhao
- Department of Prosthodontics, Hospital of Stomatology, Jilin University
| | - Chengji Zhao
- Alan G MacDiarmid Institute, College of Chemistry, Jilin University
| | - Xiaoqiu Liu
- Department of Prosthodontics, Hospital of Stomatology, Jilin University
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17
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Yu L, Wei M. Biomineralization of Collagen-Based Materials for Hard Tissue Repair. Int J Mol Sci 2021; 22:944. [PMID: 33477897 PMCID: PMC7833386 DOI: 10.3390/ijms22020944] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Revised: 01/15/2021] [Accepted: 01/16/2021] [Indexed: 12/23/2022] Open
Abstract
Hydroxyapatite (HA) reinforced collagen fibrils serve as the basic building blocks of natural bone and dentin. Mineralization of collagen fibrils play an essential role in ensuring the structural and mechanical functionalities of hard tissues such as bone and dentin. Biomineralization of collagen can be divided into intrafibrillar and extrafibrillar mineralization in terms of HA distribution relative to collagen fibrils. Intrafibrillar mineralization is termed when HA minerals are incorporated within the gap zone of collagen fibrils, while extrafibrillar mineralization refers to the minerals that are formed on the surface of collagen fibrils. However, the mechanisms resulting in these two types of mineralization still remain debatable. In this review, the evolution of both classical and non-classical biomineralization theories is summarized. Different intrafibrillar mineralization mechanisms, including polymer induced liquid precursor (PILP), capillary action, electrostatic attraction, size exclusion, Gibbs-Donnan equilibrium, and interfacial energy guided theories, are discussed. Exemplary strategies to induce biomimetic intrafibrillar mineralization using non-collagenous proteins (NCPs), polymer analogs, small molecules, and fluidic shear stress are discussed, and recent applications of mineralized collagen fibers for bone regeneration and dentin repair are included. Finally, conclusions are drawn on these proposed mechanisms, and the future trend of collagen-based materials for bone regeneration and tooth repair is speculated.
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Affiliation(s)
- Le Yu
- Department of Chemical and Biomolecular Engineering, Ohio University, Athens, OH 45701, USA;
| | - Mei Wei
- Department of Chemical and Biomolecular Engineering, Ohio University, Athens, OH 45701, USA;
- Department of Mechanical Engineering, Ohio University, Athens, OH 45701, USA
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18
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NURROHMAN H, HABELITZ S, SAEKI K, SADR A, GOWER LB, PAZDERNIK V, TAGAMI J, MARSHALL SJ, MARSHALL GW. Enhanced silver diamine fluoride therapy using the PILP method -A nanoindentation study. Dent Mater J 2020; 39:1009-1015. [PMID: 32624525 PMCID: PMC8376189 DOI: 10.4012/dmj.2019-273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The aim of this study was to evaluate the feasibility of applying the polymer-induced liquid-precursor (PILP) method to enhance silver diamine fluoride (SDF) therapy. One hundred forty micrometer deep artificial caries lesions were treated with (A) 38% SDF solution and (B) 38% SDF containing poly-L-aspartic acid (pASP). Changes in the nanomechanical profile across the lesion were evaluated. Hydrated artificial lesions had a low reduced elastic modulus (0.3 GPa) and nanohardness (0.02 GPa) region extending about 100 μm into the lesion, with a gradual linear increase to about 168 μm where the values plateaued to around 18 GPa/1.0 GPa. Topical application of SDF resulted in significantly recovered properties (p<0.001). SDF containing pASP resulted in greater nanomechanical properties compared to SDF alone, showing similar sloped regions up to 96 μm, then SDF alone dropped while SDF containing pASP continued at a modest slope until reaching normal at 144 μm. This nanoindentation study shows enhanced SDF therapy using the PILP method.
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Affiliation(s)
- Hamid NURROHMAN
- Missouri School of Dentistry and Oral Health, A.T. Still University, 800 W. Jefferson St. Kirksville, MO, 63501, USA,Department of Preventive and Restorative Dental Sciences, University of California San Francisco, 707 Parnassus Ave., Suite D-4000 San Francisco, CA, 94143, USA
| | - Stefan HABELITZ
- Department of Preventive and Restorative Dental Sciences, University of California San Francisco, 707 Parnassus Ave., Suite D-4000 San Francisco, CA, 94143, USA
| | - Kuniko SAEKI
- Department of Preventive and Restorative Dental Sciences, University of California San Francisco, 707 Parnassus Ave., Suite D-4000 San Francisco, CA, 94143, USA
| | - Alireza SADR
- Biomimetics Biomaterials Biophotonics & Technology Laboratory, Department of Restorative Dentistry, University of Washington School of Dentistry, 1959 NE Pacific St. Box 357456, Seatle, WA, 98195-7456, USA
| | - Laurie B. GOWER
- Materials Science and Engineering Department, University of Florida, Rhines Hall, Gainesville, FL, 32603, USA
| | - Vanessa PAZDERNIK
- Department of Research Support, A. T. Still University, 800 W. Jefferson St. Kirksville, MO, 63501, USA
| | - Junji TAGAMI
- Department of Cariology and Operative Dentistry, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyo-ku, Tokyo 113-8549, Japan
| | - Sally J. MARSHALL
- Department of Preventive and Restorative Dental Sciences, University of California San Francisco, 707 Parnassus Ave., Suite D-4000 San Francisco, CA, 94143, USA
| | - Grayson W. MARSHALL
- Department of Preventive and Restorative Dental Sciences, University of California San Francisco, 707 Parnassus Ave., Suite D-4000 San Francisco, CA, 94143, USA
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Yang T, Li Y, Hong Y, Chi L, Liu C, Lan Y, Wang Q, Yu Y, Xu Q, Teng W. The Construction of Biomimetic Cementum Through a Combination of Bioskiving and Fluorine-Containing Biomineralization. Front Bioeng Biotechnol 2020; 8:341. [PMID: 32391345 PMCID: PMC7193115 DOI: 10.3389/fbioe.2020.00341] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 03/27/2020] [Indexed: 12/12/2022] Open
Abstract
Despite tremendous attention is given to the construction of biomimetic cementum for regeneration of tooth cementum, the lack of recapitulating the composition and hierarchical structure of cementum often leads to the poor performance of constructed materials. How to highly mimic the sophisticated composition and hierarchy of cementum remains a longstanding challenge in constructing the biomimetic cementum. Inspired by cementum formation process, a novel construction approach via a combination of bioskiving and fluorine-containing biomineralization is developed in this study. The alternative collagen lamellae (ACL) that can highly mimic the rotated plywood structure of cementum collagen matrix is fabricated via bioskiving. Followed by biomineralization in the amorphous calcium phosphate (ACP) solution with different concentration of fluorine, a series of biomimetic cementum is constructed. Screened by physicochemical characterization, the biomimetic cementum with the composition and hierarchical structure highly similar to human cementum is selected. Through in vitro biological assay, this biomimetic cementum is proven to significantly promote the adhesion, proliferation, and cementogenic differentiation of periodontal ligament cells (PDLCs). Furthermore, in vivo study demonstrates that biomimetic cementum could induce cementogenesis. This biomimetic cementum constructed via combinatory application of bioskiving and fluorine-containing biomineralization stands as a promising candidate for achieving cementum regeneration.
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Affiliation(s)
- Tao Yang
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Institute of Stomatological Research, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Yanshan Li
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Institute of Stomatological Research, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Yubing Hong
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Institute of Stomatological Research, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Li Chi
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Institute of Stomatological Research, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Chuanzi Liu
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Institute of Stomatological Research, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Yu Lan
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Institute of Stomatological Research, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Qinmei Wang
- Laboratory of Biomaterials, Key Laboratory on Assisted Circulation, Ministry of Health, Cardiovascular Division, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yingjie Yu
- Institute of Translational Medicine, The First Affiliated Hospital, Shenzhen University, Health Science Center, Shenzhen, China
| | - Qiaobing Xu
- Department of Biomedical Engineering, Tufts University, Medford, MA, United States
| | - Wei Teng
- Hospital of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Institute of Stomatological Research, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China
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20
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Mukherjee K, Visakan G, Phark JH, Moradian-Oldak J. Enhancing Collagen Mineralization with Amelogenin Peptide: Towards the Restoration of Dentin. ACS Biomater Sci Eng 2020; 6:2251-2262. [PMID: 33313393 DOI: 10.1021/acsbiomaterials.9b01774] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Mammalian teeth primarily consist of two distinct calcified tissues, enamel and dentin, that are intricately integrated by a complex and critical structure, the dentin-enamel junction (DEJ). Loss of enamel exposes the underlying dentin, increasing the risk of several irreversible dental diseases. This paper highlights the significance of utilizing the functional domains of a major enamel matrix protein, amelogenin, intrinsic to tooth enamel and the DEJ interface, to rationally design smaller bioinspired peptides for regeneration of tooth microstructures. Using this strategy, we designed a synthetic peptide, P26, that demonstrates a remarkable dual mineralization potential to restore incipient enamel decay and mineralization defects localized in peripheral dentin below the DEJ. As a proof of principle, we demonstrate that interaction between P26 and collagen prompts peptide self-assembly, followed by mineralization of collagen fibrils in vitro. P26-mediated nucleation of hydroxyapatite (HAP) crystals on demineralized dentin in situ significantly facilitates the recovery of mineral density and effectively restores the biomechanical properties of dentin to near-native levels, suggesting that P26-based therapy has promising applications for treating diverse mineralized tissue defects in the tooth.
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Affiliation(s)
- Kaushik Mukherjee
- Center for Craniofacial Molecular Biology, Division of Biomedical Sciences, Herman Ostrow School of Dentistry, University of Southern California, 2250 Alcazar Street, Los Angeles 90033, United States
| | - Gayathri Visakan
- Center for Craniofacial Molecular Biology, Division of Biomedical Sciences, Herman Ostrow School of Dentistry, University of Southern California, 2250 Alcazar Street, Los Angeles 90033, United States
| | - Jin-Ho Phark
- Herman Ostrow School of Dentistry, 925 W 34 St., University of Southern California, Los Angeles 90089, United States
| | - Janet Moradian-Oldak
- Center for Craniofacial Molecular Biology, Division of Biomedical Sciences, Herman Ostrow School of Dentistry, University of Southern California, 2250 Alcazar Street, Los Angeles 90033, United States
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21
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Farzadi A, Renner T, Calomeni EP, Presley KF, Karn N, Lannutti J, Dasi LP, Agarwal G. Modulation of biomimetic mineralization of collagen by soluble ectodomain of discoidin domain receptor 2. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 104:109905. [PMID: 31499975 PMCID: PMC6741439 DOI: 10.1016/j.msec.2019.109905] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Revised: 05/31/2019] [Accepted: 06/17/2019] [Indexed: 02/08/2023]
Abstract
Collagen fibrils serve as the major template for mineral deposits in both biologically derived and engineered tissues. In recent years certain non-collagenous proteins have been elucidated as important players in differentially modulating intra vs. extra-fibrillar mineralization of collagen. We and others have previously shown that the expression of the collagen receptor, discoidin domain receptor 2 (DDR2) positively correlates with matrix mineralization. The objective of this study was to examine if the ectodomain (ECD) of DDR2 modulates intra versus extra-fibrillar mineralization of collagen independent of cell-signaling. For this purpose, a decellularized collagenous substrate, namely glutaraldehyde fixed porcine pericardium (GFPP) was subjected to biomimetic mineralization protocols. GFPP was incubated in modified simulated body fluid (mSBF) or polymer-induced liquid precursor (PILP) solutions in the presence of recombinant DDR2 ECD (DDR2-Fc) to mediate extra or intra-fibrillar mineralization of collagen. Thermogravimetric analysis revealed that DDR2-Fc increased mineral content in GFPP calcified in mSBF while no significant differences were observed in PILP mediated mineralization. Electron microscopy approaches were used to evaluate the quality and quantity mineral deposits. An increase in the matrix to mineral ratio, frequency of particles and size of mineral deposits was observed in the presence of DDR2-Fc in mSBF. Von Kossa staining and immunohistochemistry analysis of adjacent sections indicated that DDR2-Fc bound to both the matrix and mineral phase of GFPP. Further, DDR2-Fc was found to bind to hydroxyapatite (HAP) particles and enhance the nucleation of mineral deposits in mSBF solutions independent of collagen. Taken together, our results elucidate DDR2 ECD as a novel player in the modulation of extra-fibrillar mineralization of collagen.
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Affiliation(s)
- Arghavan Farzadi
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH, USA
| | - Theodore Renner
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH, USA
| | - Edward P Calomeni
- Renal Pathology, Wexner Medical Center, The Ohio State University, Columbus, OH, USA
| | - Kayla F Presley
- Department of Materials Science and Engineering, The Ohio State University, Columbus, OH, USA
| | - Nicole Karn
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH, USA
| | - John Lannutti
- Department of Materials Science and Engineering, The Ohio State University, Columbus, OH, USA
| | - Lakshmi P Dasi
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH, USA
| | - Gunjan Agarwal
- Department of Biomedical Engineering, The Ohio State University, Columbus, OH, USA.
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22
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Saxena N, Habelitz S, Marshall GW, Gower LB. Remineralization of demineralized dentin using a dual analog system. Orthod Craniofac Res 2019; 22 Suppl 1:76-81. [PMID: 31074152 PMCID: PMC6512855 DOI: 10.1111/ocr.12271] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Accepted: 12/05/2018] [Indexed: 11/28/2022]
Abstract
OBJECTIVE Improved methods are needed to remineralize dentin caries in order to promote conservation of dentin tissue and minimize the surgical interventions that are currently required for clinical treatment. Here, we test the hypothesis that bulk substrates can be effectively mineralized via a dual analog system proposed by others, using a tripolyphosphate (TPP) "templating analog" and a poly(acrylic acid) (PAA) or poly(aspartic acid) (pAsp) "sequestration analog," the latter of which generates the polymer-induced liquid-precursor (PILP) mineralization process studied in our laboratory. MATERIAL & METHODS Demineralized human dentin slices were remineralized with and without pre-treatment with TPP, using either PAA or pAsp as the PILP process-directing agent. A control experiment with no polymer present was used for comparison. RESULTS No mineralization was observed in any of the PAA groups. In both the pAsp and no polymer groups, TPP inhibited mineralization on the surfaces of the specimens but promoted mineralization within the interiors. Pre-treatment with TPP enhanced overall mineralization of the pAsp group. However, when analysed via TEM, regions with little mineral were still present. CONCLUSION Poly(acrylic acid) was unable to remineralize demineralized dentin slices under the conditions employed, even when pre-treated with TPP. However, pre-treatment with TPP enhanced overall mineralization of specimens that were PILP-remineralized using pAsp.
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Affiliation(s)
- Neha Saxena
- Materials Science and Engineering, University of Florida, Gainesville, Florida
| | - Stefan Habelitz
- Preventative and Restorative Dental Sciences, University of California San Francisco, San Francisco, California
| | - Grayson W Marshall
- Preventative and Restorative Dental Sciences, University of California San Francisco, San Francisco, California
| | - Laurie B Gower
- Materials Science and Engineering, University of Florida, Gainesville, Florida
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