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Yadav P, Shah R, Roy A, Jani S, Chatterjee K, Saini DK. Cellular Senescence Program is Sensitive to Physical Differences in Polymeric Tissue Scaffolds. ACS MATERIALS AU 2024; 4:35-44. [PMID: 38221924 PMCID: PMC10786134 DOI: 10.1021/acsmaterialsau.3c00057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 09/19/2023] [Accepted: 09/22/2023] [Indexed: 01/16/2024]
Abstract
A typical cellular senescence program involves exposing cells to DNA-damaging agents such as ionization radiation or chemotherapeutic drugs, which cause multipronged changes, including increased cell size and volume, the onset of enhanced oxidative stress, and inflammation. In the present study, we examined if the senescence onset decision is sensitive to the design, porosity, and architecture of the substrate. To address this, we generated a library of polymeric scaffolds widely used in tissue engineering of varied stiffness, architecture, and porosity. Using irradiated A549 lung cancer cells, we examined the differences between cellular responses in these 3D scaffold systems and observed that senescence onset is equally diminished. When compared to the two-dimensional (2D) culture formats, there were profound changes in cell size and senescence induction in three-dimensional (3D) scaffolds. We further establish that these observed differences in the senescence state can be attributed to the altered cell spreading and cellular interactions on these substrates. This study elucidates the role of scaffold architecture in the cellular senescence program.
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Affiliation(s)
- Parul Yadav
- Department
of Bioengineering, Indian Institute of Science, C.V Raman Avenue, Bangalore, India 560012
| | - Rahul Shah
- Department
of Materials Engineering, Indian Institute
of Science, C.V Raman
Avenue, Bangalore, India 560012
| | - Anindo Roy
- Department
of Materials Engineering, Indian Institute
of Science, C.V Raman
Avenue, Bangalore, India 560012
| | - Sibani Jani
- Department
of Bioengineering, Indian Institute of Science, C.V Raman Avenue, Bangalore, India 560012
| | - Kaushik Chatterjee
- Department
of Bioengineering, Indian Institute of Science, C.V Raman Avenue, Bangalore, India 560012
- Department
of Materials Engineering, Indian Institute
of Science, C.V Raman
Avenue, Bangalore, India 560012
| | - Deepak Kumar Saini
- Department
of Bioengineering, Indian Institute of Science, C.V Raman Avenue, Bangalore, India 560012
- Department
of Developmental Biology and Genetics, C.V Raman Avenue, Indian Institute of Science, Bangalore, India 560012
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Christie B, Musri N, Djustiana N, Takarini V, Tuygunov N, Zakaria M, Cahyanto A. Advances and challenges in regenerative dentistry: A systematic review of calcium phosphate and silicate-based materials on human dental pulp stem cells. Mater Today Bio 2023; 23:100815. [PMID: 37779917 PMCID: PMC10539671 DOI: 10.1016/j.mtbio.2023.100815] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 09/11/2023] [Accepted: 09/22/2023] [Indexed: 10/03/2023] Open
Abstract
Conventional dentistry faces limitations in preserving tooth health due to the finite lifespan of restorative materials. Regenerative dentistry, utilizing stem cells and bioactive materials, offers a promising approach for regenerating dental tissues. Human dental pulp stem cells (hDPSCs) and bioactive materials like calcium phosphate (CaP) and silicate-based materials have shown potential for dental tissue regeneration. This systematic review aims to investigate the effects of CaP and silicate-based materials on hDPSCs through in vitro studies published since 2015. Following the PRISMA guidelines, a comprehensive search strategy was implemented in PubMed MedLine, Cochrane, and ScienceDirect databases. Eligibility criteria were established using the PICOS scheme. Data extraction and risk of bias (RoB) assessment were conducted, with the included studies assessed for bias using the Office of Health and Translation (OHAT) RoB tool. The research has been registered at OSF Registries. Ten in vitro studies met the eligibility criteria out of 1088 initial studies. Methodological heterogeneity and the use of self-synthesized biomaterials with limited generalizability were observed in the included study. The findings highlight the positive effect of CaP and silicate-based materials on hDPSCs viability, adhesion, migration, proliferation, and differentiation. While the overall RoB assessment indicated satisfactory credibility of the reviewed studies, the limited number of studies and methodological heterogeneity pose challenges for quantitative research. In conclusion, this systematic review provides valuable insights into the effects of CaP and silicate-based materials on hDPSCs. Further research is awaited to enhance our understanding and optimize regenerative dental treatments using bioactive materials and hDPSCs, which promise to improve patient outcomes.
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Affiliation(s)
- B. Christie
- Faculty of Dentistry, Universitas Padjadjaran, Jalan Sekeloa Selatan 1, Bandung, 40134, Indonesia
| | - N. Musri
- Faculty of Dentistry, Universitas Padjadjaran, Jalan Sekeloa Selatan 1, Bandung, 40134, Indonesia
| | - N. Djustiana
- Department of Dental Materials Science and Technology, Faculty of Dentistry, Universitas Padjadjaran, Jalan Raya Bandung Sumedang Km 21, Jatinangor, 45363, Indonesia
- Oral Biomaterials Study Center, Faculty of Dentistry, Universitas Padjadjaran, Jalan Sekeloa Selatan 1, Bandung, 40134, Indonesia
| | - V. Takarini
- Department of Dental Materials Science and Technology, Faculty of Dentistry, Universitas Padjadjaran, Jalan Raya Bandung Sumedang Km 21, Jatinangor, 45363, Indonesia
- Oral Biomaterials Study Center, Faculty of Dentistry, Universitas Padjadjaran, Jalan Sekeloa Selatan 1, Bandung, 40134, Indonesia
| | - N. Tuygunov
- Faculty of Dentistry, Universiti Malaya, Kuala Lumpur, 50603, Malaysia
| | - M.N. Zakaria
- Department of Restorative Dentistry, Faculty of Dentistry, Universiti Malaya, Kuala Lumpur, 50603, Malaysia
| | - A. Cahyanto
- Department of Dental Materials Science and Technology, Faculty of Dentistry, Universitas Padjadjaran, Jalan Raya Bandung Sumedang Km 21, Jatinangor, 45363, Indonesia
- Oral Biomaterials Study Center, Faculty of Dentistry, Universitas Padjadjaran, Jalan Sekeloa Selatan 1, Bandung, 40134, Indonesia
- Functional Nano Powder University Center of Excellence (FiNder U CoE), Universitas Padjadjaran, Jalan Raya Bandung-Sumedang Km 21, Jatinangor, 45363, Indonesia
- Department of Restorative Dentistry, Faculty of Dentistry, Universiti Malaya, Kuala Lumpur, 50603, Malaysia
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Yazdanian M, Alam M, Abbasi K, Rahbar M, Farjood A, Tahmasebi E, Tebyaniyan H, Ranjbar R, Hesam Arefi A. Synthetic materials in craniofacial regenerative medicine: A comprehensive overview. Front Bioeng Biotechnol 2022; 10:987195. [PMID: 36440445 PMCID: PMC9681815 DOI: 10.3389/fbioe.2022.987195] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 10/26/2022] [Indexed: 07/25/2023] Open
Abstract
The state-of-the-art approach to regenerating different tissues and organs is tissue engineering which includes the three parts of stem cells (SCs), scaffolds, and growth factors. Cellular behaviors such as propagation, differentiation, and assembling the extracellular matrix (ECM) are influenced by the cell's microenvironment. Imitating the cell's natural environment, such as scaffolds, is vital to create appropriate tissue. Craniofacial tissue engineering refers to regenerating tissues found in the brain and the face parts such as bone, muscle, and artery. More biocompatible and biodegradable scaffolds are more commensurate with tissue remodeling and more appropriate for cell culture, signaling, and adhesion. Synthetic materials play significant roles and have become more prevalent in medical applications. They have also been used in different forms for producing a microenvironment as ECM for cells. Synthetic scaffolds may be comprised of polymers, bioceramics, or hybrids of natural/synthetic materials. Synthetic scaffolds have produced ECM-like materials that can properly mimic and regulate the tissue microenvironment's physical, mechanical, chemical, and biological properties, manage adherence of biomolecules and adjust the material's degradability. The present review article is focused on synthetic materials used in craniofacial tissue engineering in recent decades.
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Affiliation(s)
- Mohsen Yazdanian
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mostafa Alam
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kamyar Abbasi
- Department of Prosthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahdi Rahbar
- Department of Restorative Dentistry, School of Dentistry, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Amin Farjood
- Orthodontic Department, Dental School, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Elahe Tahmasebi
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hamid Tebyaniyan
- Department of Science and Research, Islimic Azade University, Tehran, Iran
| | - Reza Ranjbar
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Arian Hesam Arefi
- Dental Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
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ASSADIAN H, KHOJASTEH A, EBRAHIMIAN Z, AHMADINEJAD F, BOROOJENI HSH, BOHLOULI M, NEKOOFAR MH, MH DUMMER P, NOKHBATOLFOGHAHAEI H. Comparative evaluation of the effects of three hydraulic calcium silicate cements on odontoblastic differentiation of human dental pulp stem cells: an in vitro study. J Appl Oral Sci 2022; 30:e20220203. [PMID: 36350874 PMCID: PMC9651926 DOI: 10.1590/1678-7757-2022-0203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 09/02/2022] [Indexed: 12/23/2022] Open
Abstract
OBJECTIVE The study aimed to compare the response of human dental pulp stem cells (hDPSCs) towards three hydraulic calcium silicate cements (HCSCs) by measuring cytotoxicity and expression of dentinogenic genes. METHODOLOGY Dental pulps of five impacted mandibular third molars were extirpated as a source for hDPSCs. Next to culturing, hDPSCs were subjected to fluorescence-activated cell sorting after the third passage to validate stemness of the cells. Human DPSCs were exposed to diluted supernatants of OrthoMTA (OMTA), Biodentine (BD) and Calcium-Enriched Mixture (CEM) at concentrations 10, 25, 50 and 100% at the first, third and fifth day of culture. Then, cells were exposed to 10% concentrations supernatant of HCSCs to determine DSPP and DMP1 gene expression, using a quantitative polymerase-chain reaction. Data were analyzed using one-way and three-way ANOVA, followed by Tukey post hoc statistical tests. RESULTS Optimal cell proliferation was observed in all groups, regardless of concentration and time-point. HCSC supernatants were non-cytotoxic to hDPSCs at all three time-points, except for 100% Biodentine on day five. On day seven, OMTA group significantly upregulated the expression of DSPP and DMP1 genes. On day 14, expression of DMP1 and DSPP genes were significantly higher in BD and OMTA groups, respectively. CONCLUSION Biodentine significantly upregulated DMP1 gene expression over 14 days, whereas CEM was associated with only minimal expression of DSPP and DMP1 .
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Affiliation(s)
- Hadi ASSADIAN
- Tehran University of Medical SciencesSchool of DentistryDepartment of EndodonticsTehranIranTehran University of Medical Sciences, School of Dentistry, Department of Endodontics, Tehran, Iran.
| | - Arash KHOJASTEH
- Shahid Beheshti University of Medical SciencesResearch Institute of Dental SciencesDental Research CenterTehranIranShahid Beheshti University of Medical Sciences, Research Institute of Dental Sciences, Dental Research Center, Tehran, Iran.
| | | | - Fereshteh AHMADINEJAD
- Shahrekord University of Medical ScienceCellular and Molecular Research CenterShahrekordIranShahrekord University of Medical Science, Cellular and Molecular Research Center, Shahrekord, Iran.
| | - Helia Sadat Haeri BOROOJENI
- Shahid Beheshti University of Medical SciencesResearch Institute of Dental SciencesDental Research CenterTehranIranShahid Beheshti University of Medical Sciences, Research Institute of Dental Sciences, Dental Research Center, Tehran, Iran.
| | - Mahboubeh BOHLOULI
- Shahid Beheshti University of Medical SciencesSchool of Advanced Technologies in MedicineDepartment of Tissue Engineering and Applied Cell SciencesTehranIranShahid Beheshti University of Medical Sciences, School of Advanced Technologies in Medicine, Department of Tissue Engineering and Applied Cell Sciences, Tehran, Iran.
| | - Mohammad Hossein NEKOOFAR
- Tehran University of Medical SciencesSchool of DentistryDepartment of EndodonticsTehranIranTehran University of Medical Sciences, School of Dentistry, Department of Endodontics, Tehran, Iran.
| | - Paul MH DUMMER
- Cardiff UniversityCollege of Biomedical and Life SciencesSchool of DentistryCardiffUKCardiff University, College of Biomedical and Life Sciences, School of Dentistry, Cardiff, UK.
| | - Hanieh NOKHBATOLFOGHAHAEI
- Shahid Beheshti University of Medical SciencesResearch Institute of Dental SciencesDental Research CenterTehranIranShahid Beheshti University of Medical Sciences, Research Institute of Dental Sciences, Dental Research Center, Tehran, Iran.
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Eid A, Mancino D, Rekab MS, Haikel Y, Kharouf N. Effectiveness of Three Agents in Pulpotomy Treatment of Permanent Molars with Incomplete Root Development: A Randomized Controlled Trial. Healthcare (Basel) 2022; 10:healthcare10030431. [PMID: 35326909 PMCID: PMC8949884 DOI: 10.3390/healthcare10030431] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 02/20/2022] [Accepted: 02/23/2022] [Indexed: 02/05/2023] Open
Abstract
The aim of this study was to investigate and compare, radiographically and clinically, the impacts of calcium-silicate based-cement (CSBC), nano-hydroxyapatite and platelet-rich fibrin (PRF) as pulpotomy agents in permanent immature molars with incomplete root development. Sixty-three participants (63 permanent immature molars) were included in this study. The patients were randomly divided into three equal groups. Fast setting MTA (MM-MTA), nano-hydroxyapatite and platelet-rich fibrin were used as pulpotomy agents. The teeth were evaluated clinically and radiographically after 6 and 12 months by two blinded examiners. Apical closure and pulp canal obliteration percentages were recorded. The in vitro reaction of the tested materials after a 7-day immersion period of the different materials in phosphate-buffered solution was analyzed using scanning electron microscopy to associate the in vitro mineralization with in vivo pulp canal obliteration percentages. Data were analyzed using Chi-square and ANOVA tests (α = 0.05). No significant difference was found between the three tested groups in terms of clinical and radiographic success (p > 0.05). All cases demonstrated evidence of root growth, including complete apical closure or continued apical closure. At 12 months, complete apical closure was found among the MM-MTA group (50%), nano-hydroxyapatite group (55%) and platelet-rich fibrin group (60%) (p > 0.05). After 12 months, pulp canal obliteration was more observed in the MM-MTA and nano-hydroxyapatite groups than in the PRF group (p < 0.05). MM-MTA (auto-mixed), NHA (hand-mixed) and PRF (autologous) could be used as pulpotomy agents since they exhibit comparable high clinical and radiographic success rates. However, the fact that the groups managed with MM-MTA and NHA have a higher tendency to canal obliteration might indicate that PRF should be considered the first choice material as pulpotomy agent, as it would make retreatment considerably easier.
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Affiliation(s)
- Ammar Eid
- Department of Endodontic and Operative Dentistry, Faculty of Dentistry, Damascus University, Damascus 0100, Syria; (A.E.); (M.S.R.)
| | - Davide Mancino
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, Strasbourg University, 67000 Strasbourg, France; (D.M.); (Y.H.)
- Department of Endodontics and Conservative Dentistry, Faculty of Dental Medicine, University Hospital of Strasbourg, 67000 Strasbourg, France
- Pôle de Médecine et Chirurgie Bucco-Dentaire, Hôpital Civil, Hôpitaux Universitaire de Strasbourg, 67000 Strasbourg, France
| | - Mohammad Salem Rekab
- Department of Endodontic and Operative Dentistry, Faculty of Dentistry, Damascus University, Damascus 0100, Syria; (A.E.); (M.S.R.)
- Department of Endodontic and Operative Dentistry, Faculty of Dentistry, International University for Science and Technology, Damascus 0100, Syria
| | - Youssef Haikel
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, Strasbourg University, 67000 Strasbourg, France; (D.M.); (Y.H.)
- Department of Endodontics and Conservative Dentistry, Faculty of Dental Medicine, University Hospital of Strasbourg, 67000 Strasbourg, France
- Pôle de Médecine et Chirurgie Bucco-Dentaire, Hôpital Civil, Hôpitaux Universitaire de Strasbourg, 67000 Strasbourg, France
| | - Naji Kharouf
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, Strasbourg University, 67000 Strasbourg, France; (D.M.); (Y.H.)
- Department of Endodontics and Conservative Dentistry, Faculty of Dental Medicine, University Hospital of Strasbourg, 67000 Strasbourg, France
- Correspondence: ; Tel.: +33-667-522-841
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Song W, Li S, Tang Q, Chen L, Yuan Z. In vitro biocompatibility and bioactivity of calcium silicate‑based bioceramics in endodontics (Review). Int J Mol Med 2021; 48:128. [PMID: 34013376 PMCID: PMC8136140 DOI: 10.3892/ijmm.2021.4961] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 03/19/2021] [Indexed: 12/26/2022] Open
Abstract
Calcium silicate-based bioceramics have been applied in endodontics as advantageous materials for years. In addition to excellent physical and chemical properties, the biocompatibility and bioactivity of calcium silicate-based bioceramics also serve an important role in endodontics according to previous research reports. Firstly, bioceramics affect cellular behavior of cells such as stem cells, osteoblasts, osteoclasts, fibroblasts and immune cells. On the other hand, cell reaction to bioceramics determines the effect of wound healing and tissue repair following bioceramics implantation. The aim of the present review was to provide an overview of calcium silicate-based bioceramics currently applied in endodontics, including mineral trioxide aggregate, Bioaggregate, Biodentine and iRoot, focusing on their in vitro biocompatibility and bioactivity. Understanding their underlying mechanism may help to ensure these materials are applied appropriately in endodontics.
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Affiliation(s)
- Wencheng Song
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Shue Li
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Qingming Tang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Lili Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
| | - Zhenglin Yuan
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China
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Aghazade M, Samiei M, Imani M, Aghazadeh Z, Alizadeh E, Rezaie F. Evaluation of the adhesion of human dental pulp stem cells to different endodontic biomaterials before and after setting. J Dent Res Dent Clin Dent Prospects 2020; 14:97-103. [PMID: 32908650 PMCID: PMC7464226 DOI: 10.34172/joddd.2020.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 03/14/2020] [Indexed: 11/09/2022] Open
Abstract
Background. Stem cell-based treatment modalities have been potential strategies for tissue regeneration in many conditions. Several studies have evaluated the biologic properties of DPSCs and their efficacy in the treatment of a variety of diseases. The present study was undertaken to evaluate the adhesion behavior of DPSCs on different endodontic materials before and after setting. Methods. The crowns of the selected teeth were removed, and the root canals were prepared and obturated with gutta-percha and AH26 sealer. A retrograde cavity was prepared at root ends. Different materials were placed in the cavities. Then the samples were attached to the wells with the use of a chemical glue. Dental pulp stem cells were allowed to proliferate to reach a count of 2 million and transferred to -12well plates in association with a culture medium. Finally, the samples attached to the wells were exposed to the stem cells immersed in the culture medium before and after setting. Then adhesion of the stem cells was evaluated using SEM. Results. The SEM results showed cellular adhesion in the samples containing CEM cement both before and after setting. The samples containing MTA Angelus and ProRoot MTA exhibited cellular adhesion before setting, with no cellular adhesion after setting. The samples containing AH26 and MTA Fillapex sealers exhibited cellular adhesion after setting, with no adhesion before setting. The samples containing simvastatin exhibited no cellular adhesion before setting; this material had dissolved in the culture medium after setting evaluation. Conclusion. The results of the present study showed that of all the materials tested, CEM cement had the highest capacity for dental pulp stem cell adhesion.
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Affiliation(s)
- Marzie Aghazade
- Department of Oral Medicine, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Samiei
- Department of Endodontics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Zahra Aghazadeh
- Department of Oral Medicine, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Effat Alizadeh
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, University of Medical Sciences, Tabriz, Iran
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Sultana T, Van Hai H, Abueva C, Kang HJ, Lee SY, Lee BT. TEMPO oxidized nano-cellulose containing thermo-responsive injectable hydrogel for post-surgical peritoneal tissue adhesion prevention. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 102:12-21. [PMID: 31146982 DOI: 10.1016/j.msec.2019.03.110] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Revised: 03/28/2019] [Accepted: 03/28/2019] [Indexed: 12/13/2022]
Abstract
The objective of this study was to present an effective injectable adhesion barrier comprised of TEMPO-oxidized cellulose nanofiber (TOCN), methyl cellulose, carboxymethyl cellulose, and polyethylene glycol. Hydrogels with different concentrations (0.2, 0.5, 0.8, 1% w/v) of bio compatible TOCN were investigated to determine their abilities to prevent post-surgical peritoneal adhesion using a rat cecal wall abrasion model. Sol-gel transition at body temperature (37 °C) was optimized by adjusting concentration of sodium ions (Na+), with a gelation time of 45 ± 7 s. These TOCN containing hydrogels showed non cytotoxicity to rat bone marrow mesenchymal stem cells (RBMSCs) and L929 fibroblast cells as cell models during in vitro assessment. Degradation studies revealed that, TOCN concentration in hydrogel was inversely proportional to hydrolytic degradation rate. From in vivo evaluations, TOCN 0.2 hydrogel significantly reduced peritoneal adhesion in rat (n = 8) compared to untreated controls based on gross observation, histological analysis, and expression analysis of marker proteins. By taking advantages of thermo gelling, high stability, non-invasive way of application and rapid recovery potential, TOCN containing bio compatible hydrogel could be used as a cost-effective barrier to efficiently inhibit post-surgical peritoneal adhesions.
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Affiliation(s)
- Tamanna Sultana
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Cheonan 31151, Republic of Korea
| | - Ho Van Hai
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Cheonan 31151, Republic of Korea
| | - Celine Abueva
- Institute of Tissue Regeneration, Soonchunhyang University, Cheonan 31151, Republic of Korea
| | - Hoe Jin Kang
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Cheonan 31151, Republic of Korea
| | - Sun-Young Lee
- Division of Environmental Material Engineering, Department of Forest Products, Korea Forest Research Institute, Seoul, Republic of Korea
| | - Byong-Taek Lee
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Cheonan 31151, Republic of Korea; Institute of Tissue Regeneration, Soonchunhyang University, Cheonan 31151, Republic of Korea.
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