1
|
Hu X, Lee JW, Zheng X, Zhang J, Lin X, Song Y, Wang B, Hu X, Chang HH, Chen Y, Lin CP, Zhang Y. Efficient induction of functional ameloblasts from human keratinocyte stem cells. Stem Cell Res Ther 2018; 9:126. [PMID: 29720250 PMCID: PMC5930762 DOI: 10.1186/s13287-018-0822-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2018] [Revised: 02/26/2018] [Accepted: 03/01/2018] [Indexed: 01/09/2023] Open
Abstract
Background Although adult human tissue-derived epidermal stem cells are capable of differentiating into enamel-secreting ameloblasts and forming teeth with regenerated enamel when recombined with mouse dental mesenchyme that possesses odontogenic potential, the induction rate is relatively low. In addition, whether the regenerated enamel retains a running pattern of prism identical to and acquires mechanical properties comparable with human enamel indeed warrants further study. Methods Cultured human keratinocyte stem cells (hKSCs) were treated with fibroblast growth factor 8 (FGF8) and Sonic hedgehog (SHH) for 18 h or 36 h prior to being recombined with E13.5 mouse dental mesenchyme with implantation of FGF8 and SHH-soaked agarose beads into reconstructed chimeric tooth germs. Recombinant tooth germs were subjected to kidney capsule culture in nude mice. Harvested samples at various time points were processed for histological, immunohistochemical, TUNEL, and western blot analysis. Scanning electronic microscopy and a nanoindentation test were further employed to analyze the prism running pattern and mechanical properties of the regenerated enamel. Results Treatment of hKSCs with both FGF8 and SHH prior to tissue recombination greatly enhanced the rate of tooth-like structure formation to about 70%. FGF8 and SHH dramatically enhanced stemness of cultured hKSCs. Scanning electron microscopic analysis revealed the running pattern of intact prisms of regenerated enamel is similar to that of human enamel. The nanoindentation test indicated that, although much softer than human child and adult mouse enamel, mechanical properties of the regenerated enamel improved as the culture time was extended. Conclusions Application of FGF8 and SHH proteins in cultured hKSCs improves stemness but does not facilitate odontogenic fate of hKSCs, resulting in an enhanced efficiency of ameloblastic differentiation of hKSCs and tooth formation in human–mouse chimeric tooth germs. Electronic supplementary material The online version of this article (10.1186/s13287-018-0822-4) contains supplementary material, which is available to authorized users.
Collapse
Affiliation(s)
- Xuefeng Hu
- Southern Center for Biomedical Research, Fujian Normal University, Fuzhou, 350108, China.,Fujian Key Laboratory of Developmental and Neural Biology, College of Life Science, Fujian Normal University, Fuzhou, 350108, China
| | - Jyh-Wei Lee
- Department of Materials Engineering, Ming Chi University of Technology, New Taipei, 24301, Taiwan.,Center for Thin Film Technologies and Applications, Ming Chi University of Technology, New Taipei, 24301, Taiwan.,College of Engineering, Chang Gung University, Taoyuan, 33302, Taiwan
| | - Xi Zheng
- Fujian Key Laboratory of Developmental and Neural Biology, College of Life Science, Fujian Normal University, Fuzhou, 350108, China
| | - Junhua Zhang
- Fujian Key Laboratory of Developmental and Neural Biology, College of Life Science, Fujian Normal University, Fuzhou, 350108, China
| | - Xin Lin
- Fujian Key Laboratory of Developmental and Neural Biology, College of Life Science, Fujian Normal University, Fuzhou, 350108, China
| | - Yingnan Song
- Fujian Key Laboratory of Developmental and Neural Biology, College of Life Science, Fujian Normal University, Fuzhou, 350108, China
| | - Bingmei Wang
- Fujian Key Laboratory of Developmental and Neural Biology, College of Life Science, Fujian Normal University, Fuzhou, 350108, China
| | - Xiaoxiao Hu
- Fujian Key Laboratory of Developmental and Neural Biology, College of Life Science, Fujian Normal University, Fuzhou, 350108, China
| | - Hao-Hueng Chang
- School of Dentistry, National Taiwan University and National Taiwan University Hospital, Taipei, 10048, Taiwan
| | - Yiping Chen
- Southern Center for Biomedical Research, Fujian Normal University, Fuzhou, 350108, China.,Department of Cell and Molecular Biology, Tulane University, New Orleans, LA, 70118, USA
| | - Chun-Pin Lin
- Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University and National Taiwan University Hospital, Taipei, 10048, Taiwan.
| | - Yanding Zhang
- Southern Center for Biomedical Research, Fujian Normal University, Fuzhou, 350108, China. .,Fujian Key Laboratory of Developmental and Neural Biology, College of Life Science, Fujian Normal University, Fuzhou, 350108, China.
| |
Collapse
|
2
|
Khaddam M, Huet E, Vallée B, Bensidhoum M, Le Denmat D, Filatova A, Jimenez-Rojo L, Ribes S, Lorenz G, Morawietz M, Rochefort GY, Kiesow A, Mitsiadis TA, Poliard A, Petzold M, Gabison EE, Menashi S, Chaussain C. EMMPRIN/CD147 deficiency disturbs ameloblast-odontoblast cross-talk and delays enamel mineralization. Bone 2014; 66:256-66. [PMID: 24970041 DOI: 10.1016/j.bone.2014.06.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Revised: 06/10/2014] [Accepted: 06/17/2014] [Indexed: 11/20/2022]
Abstract
Tooth development is regulated by a series of reciprocal inductive signaling between the dental epithelium and mesenchyme, which culminates with the formation of dentin and enamel. EMMPRIN/CD147 is an Extracellular Matrix MetalloPRoteinase (MMP) INducer that mediates epithelial-mesenchymal interactions in cancer and other pathological processes and is expressed in developing teeth. Here we used EMMPRIN knockout (KO) mice to determine the functional role of EMMPRIN on dental tissue formation. We report a delay in enamel deposition and formation that is clearly distinguishable in the growing incisor and associated with a significant reduction of MMP-3 and MMP-20 expression in tooth germs of KO mice. Insufficient basement membrane degradation is evidenced by a persistent laminin immunostaining, resulting in a delay of both odontoblast and ameloblast differentiation. Consequently, enamel volume and thickness are decreased in adult mutant teeth but enamel maturation and tooth morphology are normal, as shown by micro-computed tomographic (micro-CT), nanoindentation, and scanning electron microscope analyses. In addition, the dentino-enamel junction appears as a rough calcified layer of approximately 10±5μm thick (mean±SD) in both molars and growing incisors of KO adult mice. These results indicate that EMMPRIN is involved in the epithelial-mesenchymal cross-talk during tooth development by regulating the expression of MMPs. The mild tooth phenotype observed in EMMPRIN KO mice suggests that the direct effect of EMMPRIN may be limited to a short time window, comprised between basement membrane degradation allowing direct cell contact and calcified matrix deposition.
Collapse
Affiliation(s)
- Mayssam Khaddam
- EA 2496, Pathologies, Imaging, and Biotherapies of the Tooth, Dental School Université Paris Descartes Sorbonne Paris Cité, France
| | - Eric Huet
- Laboratoire CRRET, Université Paris-Est, CNRS, Créteil, France
| | - Benoît Vallée
- Laboratoire CRRET, Université Paris-Est, CNRS, Créteil, France
| | - Morad Bensidhoum
- Laboratoire de Bioingénierie et Biomécanique Ostéo-Articulaire UMR CNRS 7052, Faculté de médecine Lariboisière St. Louis Université Paris 7 Sorbonne Paris Cité, France
| | - Dominique Le Denmat
- EA 2496, Pathologies, Imaging, and Biotherapies of the Tooth, Dental School Université Paris Descartes Sorbonne Paris Cité, France
| | - Anna Filatova
- Department of Orofacial Development and Regeneration, Institute of Oral Biology, Center of Dental Medicine, Faculty of Medicine, University of Zurich, Switzerland
| | - Lucia Jimenez-Rojo
- Department of Orofacial Development and Regeneration, Institute of Oral Biology, Center of Dental Medicine, Faculty of Medicine, University of Zurich, Switzerland
| | - Sandy Ribes
- EA 2496, Pathologies, Imaging, and Biotherapies of the Tooth, Dental School Université Paris Descartes Sorbonne Paris Cité, France
| | - Georg Lorenz
- Fraunhofer Institute for Mechanics of Materials IWM, Walter-Hülse-Str. Halle, Saale, Germany
| | - Maria Morawietz
- Fraunhofer Institute for Mechanics of Materials IWM, Walter-Hülse-Str. Halle, Saale, Germany
| | - Gael Y Rochefort
- EA 2496, Pathologies, Imaging, and Biotherapies of the Tooth, Dental School Université Paris Descartes Sorbonne Paris Cité, France
| | - Andreas Kiesow
- Fraunhofer Institute for Mechanics of Materials IWM, Walter-Hülse-Str. Halle, Saale, Germany
| | - Thimios A Mitsiadis
- Department of Orofacial Development and Regeneration, Institute of Oral Biology, Center of Dental Medicine, Faculty of Medicine, University of Zurich, Switzerland
| | - Anne Poliard
- EA 2496, Pathologies, Imaging, and Biotherapies of the Tooth, Dental School Université Paris Descartes Sorbonne Paris Cité, France
| | - Matthias Petzold
- Fraunhofer Institute for Mechanics of Materials IWM, Walter-Hülse-Str. Halle, Saale, Germany
| | - Eric E Gabison
- Fondation ophtalmologique A de Rothschild, Université Paris Diderot, PRES Sorbonne Paris Cité, France
| | - Suzanne Menashi
- Laboratoire CRRET, Université Paris-Est, CNRS, Créteil, France
| | - Catherine Chaussain
- EA 2496, Pathologies, Imaging, and Biotherapies of the Tooth, Dental School Université Paris Descartes Sorbonne Paris Cité, France; AP-HP, Odontology Department, Groupement Hospitalier Nord Val de Seine (Bretonneau), France
| |
Collapse
|