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Shamszadeh S, Shirvani A, Torabzadeh H, Asgary S. Effects of Growth Factors on the Differentiation of Dental Stem Cells: A Systematic Review and Meta-analysis (Part I). Curr Stem Cell Res Ther 2024; 19:523-543. [PMID: 35762556 DOI: 10.2174/1574888x17666220628125048] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 04/04/2022] [Accepted: 04/22/2022] [Indexed: 11/22/2022]
Abstract
INTRODUCTION To evaluate the biological interaction between dental stem cells (DSCs) and different growth factors in the field of regenerative endodontics. METHODS A systematic search was conducted in the electronic databases up to October 2021. This study followed the preferred reporting items for systematic reviews and meta-analyses (PRISMA) guidelines. Ex vivo studies evaluating the biological interactions of DSCs and growth factors were included. The meta-analysis was performed according to the type of growth factor. The outcomes were cell viability/ proliferation and mineralization. Standardized mean differences (SMDs) were estimated using the random-effect maximum-likelihood method (P < .05). Additional analysis was performed to find any potential source of heterogeneity. RESULTS Twenty articles were included in the systematic review; meta-analysis was performed for fibroblast growth factor-2 (FGF-2) and Transforming growth factor-ß1 (TGF-β1) (n = 5). Results showed that use of FGF-2 significantly increased cell proliferation on day 1-(SMD = 3.56, P = 0.00), 3-(SMD = 9.04, P = 0.00), 5-(SMD = 8.37, P = 0.01), and 7 (SMD=8.51, P=0.00) than the control group. TGF-ß1 increased alkaline phosphatase (ALP) activity more than control only on day 3 (SMD = 3.68, P = 0.02). TGF-β1 had no significant effect on cell proliferation on days 1 and 3 (P > 0.05) and on ALP activity on days 5 and 7 (P > 0.05). Meta-regression analysis showed that different covariates (i.e., cell type, passage number, and growth factors' concentration) could significantly influence the effect sizes at different follow- ups (P < 0.05). CONCLUSION Specific growth factors might enhance the proliferation and mineralization of DSCs; however, the obtained evidence was weak. Due to the high heterogeneity among the included studies, other growth factors' inhibitory/stimulatory effects on DSCs could not be evaluated.
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Affiliation(s)
- Sayna Shamszadeh
- Iranian Center for Endodontic Research, Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Armin Shirvani
- Iranian Center for Endodontic Research, Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hassan Torabzadeh
- Dental Research Center, Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Saeed Asgary
- Iranian Center for Endodontic Research, Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Agrawal P, Nikhade P, Chandak M, Ikhar A, Bhonde R. Dentin Matrix Metalloproteinases: A Futuristic Approach Toward Dentin Repair and Regeneration. Cureus 2022; 14:e27946. [PMID: 36120221 PMCID: PMC9464706 DOI: 10.7759/cureus.27946] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 08/12/2022] [Indexed: 11/05/2022] Open
Abstract
Matrix metalloproteinases (MMPs) have been linked to modulating healing during the production of tertiary dentin, as well as the liberation of physiologically active molecules and the control of developmental processes. Although efforts to protect dentin have mostly centered on preventing these proteases from doing their jobs, their role is actually much more intricate and crucial for dentin healing than anticipated. The role of MMPs as bioactive dentin matrix components involved in dentin production, repair, and regeneration is examined in the current review. The mechanical characteristics of dentin, especially those of reparative and reactionary dentin, and the established functions of MMPs in dentin production are given particular attention. Because they are essential parts of the dentin matrix, MMPs should be regarded as leading applicants for dentin regeneration.
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Zhan Y, Li X, Gou X, Yuan G, Fan M, Yang G. DLX3 Inhibits the Proliferation of Human Dental Pulp Cells Through Inactivation of Canonical Wnt/β-Catenin Signaling Pathway. Front Physiol 2018; 9:1637. [PMID: 30524303 PMCID: PMC6256238 DOI: 10.3389/fphys.2018.01637] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 10/30/2018] [Indexed: 01/17/2023] Open
Abstract
Homeodomain gene Distal-less-3 (Dlx3) plays an important role during tooth development. Our previous studies indicate that DLX3 inhibits proliferation of human dental pulp cells (hDPCs). However, the mechanism of DLX3 regulating proliferation of hDPCs and maintaining the quiescence of the cells remain unknown. Given the importance of canonical Wnt signaling in the proliferation of dental pulp cell and tooth development, we hypothesized that DLX3 inhibited proliferation of hDPCs through inactivation of canonical Wnt signaling. With overexpression or knock-down of DLX3 in primary hDPCs, we found DLX3 down regulated canonical Wnt signaling and its downstream target genes. And when the DLX3 overexpressed-cells were treated with lithium chloride, the proliferation inhibition by DLX3 was reversed. We also found that DLX3 enhanced the expression of DKK1 and the reduced proliferation of hDPCs by DLX3 was reversed with knock-down of DKK1. Furthermore, luciferase reporter assay and chromatin immunoprecipitation assay showed DLX3 was able to bind to Dkk1 promoter region from nucleotides (nt) -1656 to -1245, and stimulated Dkk1 promoter activity. Mutagenesis studies further revealed two DLX3 responsive elements in Dkk1 promoter. Taken together, our data indicate that DLX3 inhibits proliferation of hDPCs via inactivation of Wnt/β-catenin signaling pathway by directly binding to Dkk1 promoter and increasing its expression.
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Affiliation(s)
- Yunyan Zhan
- The State Key Laboratory Breeding Base of Basic Science of Stomatology and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Xiaoyan Li
- The State Key Laboratory Breeding Base of Basic Science of Stomatology and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China.,Shandong Provincial Key Laboratory of Oral Biomedicine, Department of Endodontics, School of Stomatology, Shandong University, Jinan, China
| | - Xiaohui Gou
- The State Key Laboratory Breeding Base of Basic Science of Stomatology and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Guohua Yuan
- The State Key Laboratory Breeding Base of Basic Science of Stomatology and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China.,Shandong Provincial Key Laboratory of Oral Biomedicine, Department of Endodontics, School of Stomatology, Shandong University, Jinan, China
| | - Mingwen Fan
- The State Key Laboratory Breeding Base of Basic Science of Stomatology and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Guobin Yang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China
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Wongsupa N, Nuntanaranont T, Kamolmattayakul S, Thuaksuban N. Biological characteristic effects of human dental pulp stem cells on poly-ε-caprolactone-biphasic calcium phosphate fabricated scaffolds using modified melt stretching and multilayer deposition. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2017; 28:25. [PMID: 28070691 DOI: 10.1007/s10856-016-5833-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Accepted: 11/08/2016] [Indexed: 06/06/2023]
Abstract
Craniofacial bone defects such as alveolar cleft affect the esthetics and functions that need bone reconstruction. The advanced techniques of biomaterials combined with stem cells have been a challenging role for maxillofacial surgeons and scientists. PCL-coated biphasic calcium phosphate (PCL-BCP) scaffolds were created with the modified melt stretching and multilayer deposition (mMSMD) technique and merged with human dental pulp stem cells (hDPSCs) to fulfill the component of tissue engineering for bone substitution. In the present study, the objective was to test the biocompatibility and biofunctionalities that included cell proliferation, cell viability, alkaline phosphatase activity, osteocalcin, alizarin red staining for mineralization, and histological analysis. The results showed that mMSMD PCL-BCP scaffolds were suitable for hDPSCs viability since the cells attached and spread onto the scaffold. Furthermore, the constructs of induced hDPSCs and scaffolds performed ALP activity and produced osteocalcin and mineralized nodules. The results indicated that mMSMD PCL-BCP scaffolds with hDPSCs showed promise in bone regeneration for treatment of osseous defects.
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Affiliation(s)
- Natkrita Wongsupa
- Department of Preventive Dentistry, Faculty of Dentistry, Prince of Songkla University, Hat Yai, 90112, Songkhla, Thailand
| | - Thongchai Nuntanaranont
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Prince of Songkla University, Hat Yai, 90112, Songkhla, Thailand.
| | - Suttatip Kamolmattayakul
- Department of Preventive Dentistry, Faculty of Dentistry, Prince of Songkla University, Hat Yai, 90112, Songkhla, Thailand
| | - Nuttawut Thuaksuban
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Prince of Songkla University, Hat Yai, 90112, Songkhla, Thailand
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Transforming growth factor beta 1 increases collagen content, and stimulates procollagen I and tissue inhibitor of metalloproteinase-1 production of dental pulp cells: Role of MEK/ERK and activin receptor-like kinase-5/Smad signaling. J Formos Med Assoc 2016; 116:351-358. [PMID: 27720345 DOI: 10.1016/j.jfma.2016.07.014] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2016] [Revised: 07/05/2016] [Accepted: 07/07/2016] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND/PURPOSE In order to clarify the role of transforming growth factor beta 1 (TGF-β1) in pulp repair/regeneration responses, we investigated the differential signaling pathways responsible for the effects of TGF-β1 on collagen turnover, matrix metalloproteinase-3 (MMP-3), and tissue inhibitor of metalloproteinase-1 (TIMP-1) production in human dental pulp cells. METHODS Pulp cells were exposed to TGF-β1 with/without pretreatment and coincubation by 1,4-diamino-2,3-dicyano-1,4-bis(o-aminophenyl mercapto)butadiene (U0126; a mitogen-activated protein kinase kinase [MEK]/extracellular signal-regulated kinase [ERK] inhibitor) and 4-(5-benzol[1,3]dioxol-5-yl-4-pyrldin-2-yl-1H- imidazol-2-yl)-benzamide hydrate (SB431542; an activin receptor-like kinase-5/Smad signaling inhibitor). Sircol collagen assay was used to measure cellular collagen content. Culture medium procollagen I, TIMP-1, and MMP-3 levels were determined by enzyme-linked immunosorbent assay. RESULTS TGF-β1 increased the collagen content, procollagen I, and TIMP-1 production, but slightly decreased MMP-3 production of pulp cells. SB431542 and U0126 prevented the TGF-β1-induced increase of collagen content and TIMP-1 production of dental pulp cells. CONCLUSION These results indicate that TGF-β1 may be involved in the healing/regeneration processes of dental pulp in response to injury by stimulation of collagen and TIMP-1 production. These events are associated with activin receptor-like kinase-5/Smad2/3 and MEK/ERK signaling.
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Chang MC, Lin SI, Lin LD, Chan CP, Lee MS, Wang TM, Jeng PY, Yeung SY, Jeng JH. Prostaglandin E2 Stimulates EP2, Adenylate Cyclase, Phospholipase C, and Intracellular Calcium Release to Mediate Cyclic Adenosine Monophosphate Production in Dental Pulp Cells. J Endod 2016; 42:584-8. [PMID: 26906242 DOI: 10.1016/j.joen.2015.12.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2015] [Revised: 11/29/2015] [Accepted: 12/11/2015] [Indexed: 01/09/2023]
Abstract
INTRODUCTION Prostaglandin E2 (PGE2) plays a crucial role in pulpal inflammation and repair. However, its induction of signal transduction pathways is not clear but is crucial for future control of pulpal inflammation. METHODS Primary dental pulp cells were exposed to PGE2 and 19R-OH PGE2 (EP2 agonist) or sulprostone (EP1/EP3 agonist) for 5 to 40 minutes. Cellular cyclic adenosine monophosphate (cAMP) levels were measured using the enzyme-linked immunosorbent assay. In some experiments, cells were pretreated with SQ22536 (adenylate cyclase inhibitor), H89 (protein kinase A inhibitor), dorsomorphin (adenosine monophosphate-activated protein kinase inhibitor), U73122 (phospholipase C inhibitor), thapsigargin (inhibitor of intracellular calcium release), W7 (calmodulin antagonist), verapamil (L-type calcium channel blocker), and EGTA (extracellular calcium chelator) for 20 minutes before the addition of PGE2. RESULTS PGE2 and 19R-OH PGE2 (EP2 agonist) stimulated cAMP production, whereas sulprostone (EP1/EP3 agonist) shows little effect. PGE2-induced cAMP production was attenuated by SQ22536 and U73122 but not H89 and dorsomorphin. Intriguingly, thapsigargin and W7 prevented PGE2-induced cAMP production, but verapamil and EGTA showed little effect. CONCLUSIONS These results indicate that PGE2-induced cAMP production is associated with EP2 receptor and adenylate cyclase activation. These events are mediated by phospholipase C, intracellular calcium release, and calcium-calmodulin signaling. These results are helpful for understanding the role of PGE2 in pulpal inflammation and repair and possible future drug intervention.
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Affiliation(s)
- Mei-Chi Chang
- Biomedical Science Team and Research Center for Industry of Human Ecology and Graduate Institute of Health Industry Technology, Chang-Gung University of Science and Technology and Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Szu-I Lin
- Laboratory of Dental Pharmacology, Toxicology and Pulp Biology, School of Dentistry and Department of Dentistry, National Taiwan University Medical College and National Taiwan University Hospital, Taipei, Taiwan
| | - Li-Deh Lin
- Laboratory of Dental Pharmacology, Toxicology and Pulp Biology, School of Dentistry and Department of Dentistry, National Taiwan University Medical College and National Taiwan University Hospital, Taipei, Taiwan
| | - Chiu-Po Chan
- Department of Dentistry, Chang Gung Memorial Hospital, Taipei, Taiwan
| | - Ming-Shu Lee
- Laboratory of Dental Pharmacology, Toxicology and Pulp Biology, School of Dentistry and Department of Dentistry, National Taiwan University Medical College and National Taiwan University Hospital, Taipei, Taiwan
| | - Tong-Mei Wang
- Laboratory of Dental Pharmacology, Toxicology and Pulp Biology, School of Dentistry and Department of Dentistry, National Taiwan University Medical College and National Taiwan University Hospital, Taipei, Taiwan
| | - Po-Yuan Jeng
- School of Dentistry, University of Cardenal Herrera, CEU, Valencia, Spain
| | - Sin-Yuet Yeung
- Department of Dentistry, Chang Gung Memorial Hospital, Taipei, Taiwan
| | - Jiiang-Huei Jeng
- Laboratory of Dental Pharmacology, Toxicology and Pulp Biology, School of Dentistry and Department of Dentistry, National Taiwan University Medical College and National Taiwan University Hospital, Taipei, Taiwan.
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Guo T, Li Y, Cao G, Zhang Z, Chang S, Czajka-Jakubowska A, Nör JE, Clarkson BH, Liu J. Fluorapatite-modified scaffold on dental pulp stem cell mineralization. J Dent Res 2014; 93:1290-5. [PMID: 25139361 DOI: 10.1177/0022034514547914] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
In previous studies, fluorapatite (FA) crystal-coated surfaces have been shown to stimulate the differentiation and mineralization of human dental pulp stem cells (DPSCs) in two-dimensional cell culture. However, whether the FA surface can recapitulate these properties in three-dimensional culture is still unknown. This study examined the differences in behavior of human DPSCs cultured on electrospun polycaprolactone (PCL) NanoECM nanofibers with or without the FA crystals. Under near-physiologic conditions, the FA crystals were synthesized on the PCL nanofiber scaffolds. The FA crystals were evenly distributed on the scaffolds. DPSCs were cultured on the PCL+FA or the PCL scaffolds for up to 28 days. Scanning electron microscope images showed that DPSCs attached well to both scaffolds after the initial seeding. However, it appeared that more multicellular aggregates formed on the PCL+FA scaffolds. After 14 days, the cell proliferation on the PCL+FA was slower than that on the PCL-only scaffolds. Interestingly, even without any induction of mineralization, from day 7, the upregulation of several pro-osteogenic molecules (dmp1, dspp, runx2, ocn, spp1, col1a1) was detected in cells seeded on the PCL+FA scaffolds. A significant increase in alkaline phosphatase activity was also seen on FA-coated scaffolds compared with the PCL-only scaffolds at days 14 and 21. At the protein level, osteocalcin expression was induced only in the DPSCs on the PCL+FA surfaces at day 21 and then significantly enhanced at day 28. A similar pattern was observed in those specimens stained with Alizarin red and Von Kossa after 21 and 28 days. These data suggest that the incorporation of FA crystals within the three-dimensional PCL nanofiber scaffolds provided a favorable extracellular matrix microenvironment for the growth, differentiation, and mineralization of human DPSCs. This FA-modified PCL nanofiber scaffold shows promising potential for future bone, dental, and orthopedic regenerative applications.
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Affiliation(s)
- T Guo
- Department of Cariology, Restorative Sciences and Endodontics, Dental School, University of Michigan, Ann Arbor, MI, USA Department of Stomatology, Nanjing Jinling Hospital, Nanjing, Jiangsu, China
| | - Y Li
- Department of Cariology, Restorative Sciences and Endodontics, Dental School, University of Michigan, Ann Arbor, MI, USA Department of Oral and Maxillofacial Surgery, State Key Laboratory of Military Stomatology, School of Stomatology, The Fourth Military Medical University, Xian, Shaanxi, China
| | - G Cao
- Department of Stomatology, Nanjing Jinling Hospital, Nanjing, Jiangsu, China
| | - Z Zhang
- Department of Cariology, Restorative Sciences and Endodontics, Dental School, University of Michigan, Ann Arbor, MI, USA
| | - S Chang
- Department of Cariology, Restorative Sciences and Endodontics, Dental School, University of Michigan, Ann Arbor, MI, USA
| | - A Czajka-Jakubowska
- Department of Maxillofacial Orthopedics and Orthodontics, Poznan University of Medical Sciences, Poznan, Poland
| | - J E Nör
- Department of Cariology, Restorative Sciences and Endodontics, Dental School, University of Michigan, Ann Arbor, MI, USA
| | - B H Clarkson
- Department of Cariology, Restorative Sciences and Endodontics, Dental School, University of Michigan, Ann Arbor, MI, USA
| | - J Liu
- Department of Cariology, Restorative Sciences and Endodontics, Dental School, University of Michigan, Ann Arbor, MI, USA
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Al-Sharabi N, Xue Y, Fujio M, Ueda M, Gjerde C, Mustafa K, Fristad I. Bone marrow stromal cell paracrine factors direct osteo/odontogenic differentiation of dental pulp cells. Tissue Eng Part A 2014; 20:3063-72. [PMID: 24813721 DOI: 10.1089/ten.tea.2013.0718] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Growth factors play an important role in osteo/odontogenic differentiation of human dental pulp cells (hDPCs). The aim of this in vitro study was to compare the biological effects of recombinant human growth differentiation factor 5 (rhGDF-5) alone and a cocktail of soluble growth factors (conditioned medium) released from human bone marrow mesenchymal stem cells (hBMMSCs) on the morphology, proliferation and osteo/odontogenic differentiation potential of hDPCs. Passage 4 hDPCs were harvested for culture in four different media: (a) DMEM with 10% FBS, (b) odontogenic induction medium (OM), (c) OM plus 500 ng/mL rhGDF-5, and (d) OM plus conditioned medium (CM). Morphological changes at 48 and 120 h were determined by crystal violet staining. The proliferation rates at 3, 24, 48, and 120 h were assayed by MTT. Using real-time reverse transcription-polymerase chain reaction (RT-PCR), the mRNA levels of dentin sialophosphoprotein (DSPP), dentin matrix protein 1 (DMP1), collagen type I (Col 1), Runt-related transcription factor 2 (Cbfa1/Runx2), alkaline phosphatase (ALP), osteocalcin (OC), β3 tubulin (TUBB3), glial cell-derived neurotrophic factor (GDNF), angiopoietin-1 (Ang1), and vascular endothelial growth factor A (VEGFA), were determined at 2, 5, and 9 days. Protein expression of dental sialoprotein (DSP), DMP1, OC, and TUBB3 was recorded at 5 days, using western blot and immunocytochemistry. The effect of the different culture media on mineralization was determined by ALP staining at day 5 and Alizarin red S staining at days 7 and 14. In response to the different culture media, the shape of the hDPCs varied from spindled to polygonal and cuboidal. CM inhibited the cellular proliferation rate, while rhGDF-5 had no effect at early time points, but promoted cellular proliferation at 120 h of culture. In the CM group, the mRNA levels of Cbfa1/Runx2, Col 1, ALP, VEGFA, Ang1, and TUBB3 decreased and the levels of GDNF and OC increased. The mRNA levels of DSPP and DMP1 were inconsistent at the time points evaluated. The staining assays also demonstrated that compared with the other groups, the CM group exhibited lower expression of ALP and higher mineralization levels. Protein expression of DSP, DMP1, OC, and TUBB3 was pronounced by the CM-treated cells. It is concluded that under these in vitro conditions, CM released from hBMMSCs have a greater osteo/odontogenic inductive effect on hDPCs than rhGDF-5.
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Affiliation(s)
- Niyaz Al-Sharabi
- 1 Department of Clinical Dentistry, Center for Clinical Dental Research, University of Bergen , Bergen, Norway
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