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Yu SY, He X, Tian ZL, Li KX, Chen H, Wang HM, Shi ZS, Zhu S, Cui ZC. Effect of Collagen-Reactive Functional Monomer on Etch-and-Rinse Adhesives. J Dent Res 2023; 102:287-294. [PMID: 36474440 DOI: 10.1177/00220345221134278] [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: 12/12/2022] Open
Abstract
In this study, we evaluated a novel functional monomer (4-formylphenyl acrylate [FA]) that can specifically and covalently bind to the dentin collagen matrix as a potential alternative hydrophobic diluent-like monomer for improving the durability of dentin bonding. Experimental adhesives with different FA contents (0%, 10%, 20%, and 30%) were evaluated as partial substituents for the hydrophilic monomer 2-hydroxyethyl methacrylate, with the commercial adhesive One-Step (Bisco, Inc.) employed as the positive control. Their degree of conversion, viscosity, hydrophobicity, mechanical properties, and water absorption/solubility were measured as the comprehensive characterization. In situ zymographic assays were performed to determine the extent to which FA inhibits the endogenous hydrolytic activity of dentin. Finally, the bonding performances of the novel adhesives were evaluated with microtensile strength tests and scanning electron microscopy. The results showed that the incorporation of FA significantly improved the mobility of experimental adhesives attributable to the dilution property of FA. In contrast to the possible compromised rate of polymerization by hydroxyethyl methacrylate, FA exhibited typical characteristics of favorable copolymerization with polymerizable monomers in adhesives and improved the degree of conversion of experimental adhesives. The rigidity and hydrophobic properties of the phenyl framework of the FA molecule conferred superior mechanical properties and hydrolysis resistance to the novel experimental adhesives. An inhibitory effect on gelatinolytic activities within the hybrid layer was also observed in the in situ zymographic assays, even at a low FA concentration (10%). In conjunction with the significantly improved infiltration found via scanning electron microscopy, the experimental adhesives containing FA possessed significantly better-maintained microtensile strength, even after aging. Thus, the incorporation of this novel monomer endowed the experimental adhesives with multiple enhanced functionalities. These remarkable advantages highlight the suitability of the monomer for further applications in clinical practice.
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Affiliation(s)
- S Y Yu
- Department of Prosthetic Dentistry, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - X He
- Department of Prosthetic Dentistry, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Z L Tian
- Department of Prosthetic Dentistry, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - K X Li
- State Key Laboratory of Supramolecular Structures and Materials, College of Chemistry, Jilin University, Changchun, China
| | - H Chen
- Department of Prosthetic Dentistry, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - H M Wang
- Department of Prosthetic Dentistry, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Z S Shi
- State Key Laboratory of Supramolecular Structures and Materials, College of Chemistry, Jilin University, Changchun, China
| | - S Zhu
- Department of Prosthetic Dentistry, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Z C Cui
- State Key Laboratory of Supramolecular Structures and Materials, College of Chemistry, Jilin University, Changchun, China
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Zhou X, Shen N, Tao Y, Wang J, Xia K, Ying L, Zhang Y, Huang X, Hua J, Liang C, Chen Q, Li F. Nucleus pulposus cell-derived efficient microcarrier for intervertebral disc tissue engineering. Biofabrication 2023; 15. [PMID: 36689761 DOI: 10.1088/1758-5090/acb572] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 01/23/2023] [Indexed: 01/24/2023]
Abstract
Adipose-derived stem cells (ADSCs) show great potential for the treatment of intervertebral disc (IVD) degeneration. An ideal carrier is necessary to transplant ADSCs into degenerated IVDs without influencing cell function. Nucleus pulposus cells (NPCs) can synthesize and deposit chondroitin sulfate and type II collagen which are NP-specific extracellular matrix (ECM) and can also regulate the NP-specific differentiation of stem cells. Bioscaffolds fabricated based on the ECM synthesis functions of NPCs have possible roles in cell transplantation and differentiation induction, but it has not been studied. In this study, we first aggregated NPCs into pellets, and then, NPC-derived efficient microcarriers (NPCMs) were fabricated by pellet cultivation under specific conditions and optimized decellularization. Thirdly, we evaluated the microstructure, biochemical composition, biostability and cytotoxicity of the NPCMs. Finally, we investigated the NP-specific differentiation of ADSCs induced by the NPCMsin vitroand NP regeneration induced by the ADSC-loaded NPCMs in a rabbit model. The results indicated that the injectable NPCMs retained maximal ECM and minimal cell nucleic acid after optimized decellularization and had good biostability and no cytotoxicity. The NPCMs also promoted the NP-specific differentiation of ADSCsin vitro. In addition, the results of MRI, x-ray, and the structure and ECM content of NP showed that the ADSCs-loaded NPCMs can partly restored the degenerated NPin vivo. Our injectable NPCMs regenerated the degenerated NP and provide a simplified and efficient strategy for treating IVD degeneration.
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Affiliation(s)
- Xiaopeng Zhou
- Department of Orthopedics Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou 310009, Zhejiang, People's Republic of China
| | - Ning Shen
- Department of Rheumatology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou 310016, Zhejiang, People's Republic of China
| | - Yiqing Tao
- Department of Orthopedics Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou 310009, Zhejiang, People's Republic of China
| | - Jingkai Wang
- Department of Orthopedics Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou 310009, Zhejiang, People's Republic of China
| | - Kaishun Xia
- Department of Orthopedics Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Liwei Ying
- Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Department of Orthopedics, Taizhou Hospital, Wenzhou Medical University, 150 Ximen Road, Linhai 317000, Zhejiang, People's Republic of China
| | - Yuang Zhang
- Department of Orthopedics Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Xianpeng Huang
- Department of Orthopedics Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Jianming Hua
- Department of Radiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, Zhejiang, People's Republic of China
| | - Chengzhen Liang
- Department of Orthopedics Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou 310009, Zhejiang, People's Republic of China
| | - Qixin Chen
- Department of Orthopedics Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou 310009, Zhejiang, People's Republic of China
| | - Fangcai Li
- Department of Orthopedics Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, Hangzhou 310009, Zhejiang, People's Republic of China
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Hardan L, Daood U, Bourgi R, Cuevas-Suárez CE, Devoto W, Zarow M, Jakubowicz N, Zamarripa-Calderón JE, Radwanski M, Orsini G, Lukomska-Szymanska M. Effect of Collagen Crosslinkers on Dentin Bond Strength of Adhesive Systems: A Systematic Review and Meta-Analysis. Cells 2022; 11:cells11152417. [PMID: 35954261 PMCID: PMC9368291 DOI: 10.3390/cells11152417] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 07/22/2022] [Accepted: 07/29/2022] [Indexed: 02/01/2023] Open
Abstract
This study aimed to identify the role of crosslinking agents in the resin–dentin bond strength (BS) when used as modifiers in adhesives or pretreatments to the dentin surface through a systematic review and meta-analysis. This paper was conducted according to the directions of the PRISMA 2020 statement. The research question of this review was: “Would the use of crosslinkers agents improve the BS of resin-based materials to dentin?” The literature search was conducted in the following databases: Embase, PubMed, Scielo, Scopus, and Web of Science. Manuscripts that reported the effect on the BS after the use of crosslinking agents were included. The meta-analyses were performed using Review Manager v5.4.1. The comparisons were performed by comparing the standardized mean difference between the BS values obtained using the crosslinker agent or the control group. The subgroup comparisons were performed based on the adhesive strategy used (total-etch or self-etch). The immediate and long-term data were analyzed separately. A total of 50 articles were included in the qualitative analysis, while 45 articles were considered for the quantitative analysis. The meta-analysis suggested that pretreatment with epigallocatechin-3-gallate (EGCG), carbodiimide, ethylenediaminetetraacetic acid (EDTA), glutaraldehyde, and riboflavin crosslinking agents improved the long-term BS of resin composites to dentin (p ≤ 0.02). On the other hand, the use of proanthocyanidins as a pretreatment improved both the immediate and long-term BS values (p ≤ 0.02). When incorporated within the adhesive formulation, only glutaraldehyde, riboflavin, and EGCG improved the long-term BS to dentin. It could be concluded that the application of different crosslinking agents such as carbodiimide, EDTA, glutaraldehyde, riboflavin, and EGCG improved the long-term BS of adhesive systems to dentin. This effect was observed when these crosslinkers were used as a separate step and when incorporated within the formulation of the adhesive system.
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Affiliation(s)
- Louis Hardan
- Department of Restorative Dentistry, School of Dentistry, Saint-Joseph University, Beirut 1107 2180, Lebanon
| | - Umer Daood
- Clinical Dentistry, Restorative Division, Faculty of Dentistry, International Medical University Kuala Lumpur, 126, Jalan Jalil Perkasa 19, Bukit Jalil, Wilayah Persekutuan, Kuala Lumpur 57000, Malaysia
| | - Rim Bourgi
- Department of Restorative Dentistry, School of Dentistry, Saint-Joseph University, Beirut 1107 2180, Lebanon
| | - Carlos Enrique Cuevas-Suárez
- Dental Materials Laboratory, Academic Area of Dentistry, Autonomous University of Hidalgo State, Circuito Ex Hacienda La Concepción S/N, San Agustín Tlaxiaca 42160, Mexico
- Correspondence: (C.E.C.-S.); (M.L.-S.); Tel.: +52-(771)-72000 (C.E.C.-S.); +48-42-675-74-61 (M.L.-S.)
| | | | - Maciej Zarow
- “NZOZ SPS Dentist” Dental Clinic and Postgraduate Course Centre, pl. Inwalidow 7/5, 30-033 Cracow, Poland
| | - Natalia Jakubowicz
- “NZOZ SPS Dentist” Dental Clinic and Postgraduate Course Centre, pl. Inwalidow 7/5, 30-033 Cracow, Poland
| | - Juan Eliezer Zamarripa-Calderón
- Dental Materials Laboratory, Academic Area of Dentistry, Autonomous University of Hidalgo State, Circuito Ex Hacienda La Concepción S/N, San Agustín Tlaxiaca 42160, Mexico
| | - Mateusz Radwanski
- Department of Endodontics, Chair of Conservative Dentistry and Endodontics, Medical University of Lodz, 251 Pomorska St., 92-213 Lodz, Poland
| | - Giovana Orsini
- Department of Clinical Sciences and Stomatology, School of Medicine, Polytechnic University of Marche, Via Tronto 10, 60126 Ancona, Italy
| | - Monika Lukomska-Szymanska
- Department of General Dentistry, Medical University of Lodz, 251 Pomorska St., 92-213 Lodz, Poland
- Correspondence: (C.E.C.-S.); (M.L.-S.); Tel.: +52-(771)-72000 (C.E.C.-S.); +48-42-675-74-61 (M.L.-S.)
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Yu SY, Zhang JH, Li KX, Chen H, Wang HM, He X, Shi ZS, Zhu S, Cui ZC. A Novel Chemical Binding Primer to Improve Dentin Bonding Durability. J Dent Res 2022; 101:777-784. [PMID: 35114828 DOI: 10.1177/00220345221074910] [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: 11/15/2022] Open
Abstract
The dentin collagen matrix that is not completely enveloped by resin adhesive is vulnerable to degradation by intrinsic collagenases during the etch-and-rinse process, which contributes to the deterioration of the bonding interface. Current commercial adhesives have no functional components that can form covalent bonds to the dentin collagen matrix. In this study, a photocurable aldehyde, 4-formylphenyl acrylate (FA), was synthesized and for the first time applied as a primer in adhesive dentistry to covalently bind to collagen. Experimental groups with different concentrations of FA (1%, 3%, 5%, 7%, 9%) were prepared as primers. The cytotoxicity was evaluated by live/dead-cell staining and thiazolyl blue tetrazolium bromide assay. The interaction of FA with collagen was examined by attenuated total reflection Fourier transform infrared spectroscopy, hydroxyproline release under the degradation of type I collagenase, and thermogravimetric analysis. An optimal group was selected based on the degree of conversion of 2 universal adhesives and further divided depending on the treatment time (20 s, 30 s, 1 min, 2 min). The bonding performances were evaluated by microtensile strength before and after aging. Finally, the bonding interface was observed under confocal laser scanning microscopy and scanning electron microscope. The results indicated that FA demonstrated good biocompatibility, dentin modification capability, and infiltration. It not only effectively cross-linked dentin collagen to improve its stability against enzymatic hydrolysis and modify the adhesive interface but also potentially acted as a diluting monomer to induce deep penetration of adhesive resin monomers into the dentin. The bonding strength after aging was improved without jeopardizing the degree of conversion of 2 commercial adhesives. Such prominent advantages of using FA to improve the bonding performance promotes its further application in adhesive dentistry.
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Affiliation(s)
- S Y Yu
- Department of Prosthetic Dentistry, School and Hospital of Stomatology, Jilin University, Changchun, P.R. China
| | - J H Zhang
- Department of Prosthetic Dentistry, School and Hospital of Stomatology, Jilin University, Changchun, P.R. China
| | - K X Li
- Department of Prosthetic Dentistry, School and Hospital of Stomatology, Jilin University, Changchun, P.R. China
| | - H Chen
- Department of Prosthetic Dentistry, School and Hospital of Stomatology, Jilin University, Changchun, P.R. China
| | - H M Wang
- Department of Prosthetic Dentistry, School and Hospital of Stomatology, Jilin University, Changchun, P.R. China
| | - X He
- Department of Prosthetic Dentistry, School and Hospital of Stomatology, Jilin University, Changchun, P.R. China
| | - Z S Shi
- Department of Prosthetic Dentistry, School and Hospital of Stomatology, Jilin University, Changchun, P.R. China
| | - S Zhu
- Department of Prosthetic Dentistry, School and Hospital of Stomatology, Jilin University, Changchun, P.R. China
| | - Z C Cui
- State Key Lab of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, P.R. China
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