[Experimental study on transplantation of MIRB labeled human deciduous dental pulp stem cells to repair periodontal bone defects in rats]. 2022

Li Xu, and Chun-Qing Bu, and Jie Kang, and Guo-Tao Jia, and Nan Zhang, and Fa-Bin Han
Institute for Tissue Engineering and Regenerative Medicine, Liaocheng People's Hospital/Liaocheng University. Liaocheng 252000, China. E-mail: xuli199102@163.com.

OBJECTIVE To trace the fate of transplanted stem cells from human exfoliated deciduous teeth (SHED) in the repair of periodontal bone defects, Molday ION rhodamine B (MIRB) was used to label SHED and explore the mechanism of SHED in the repair of periodontal bone defects. METHODS In vitro cultured SHED were labeled by MIRB. The labeling efficiency, cell survival, proliferation and osteogenic differentiation of MIRB-labelled SHED were detected. The labeled cells were transplanted into the rat model with periodontal bone defect. The survival, differentiation and improvement of host periodontal bone healing of MIRB labeled SHED in vivo were analyzed by immunohistochemistry and fluorescence co-staining, nuclear magnetic imaging dual-mode tracking and H-E staining. The data were statistically analyzed with SPSS 24.0 software package. RESULTS MIRB labeled SHED did not affect its growth and osteogenic differentiation. The optimal labeling concentration was 25 μg/mL, the labeling efficiency of SHED reached 100%. The transplantation of MIRB labeled SHED in vivo can survive for more than 8 weeks. It was found that MIRB labeled SHED could differentiate into osteoblasts in vivo and significantly promote the repair of alveolar bone defects. CONCLUSIONS MIRB labeled SHED can be traced in vivo, and the effect of labeled SHED on the repair of defective alveolar bone was observed.

UI MeSH Term Description Entries
D010012 Osteogenesis The process of bone formation. Histogenesis of bone including ossification. Bone Formation,Ossification, Physiologic,Endochondral Ossification,Ossification,Ossification, Physiological,Osteoclastogenesis,Physiologic Ossification,Endochondral Ossifications,Ossification, Endochondral,Ossifications,Ossifications, Endochondral,Osteoclastogeneses,Physiological Ossification
D002454 Cell Differentiation Progressive restriction of the developmental potential and increasing specialization of function that leads to the formation of specialized cells, tissues, and organs. Differentiation, Cell,Cell Differentiations,Differentiations, Cell
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D003782 Dental Pulp A richly vascularized and innervated connective tissue of mesodermal origin, contained in the central cavity of a tooth and delimited by the dentin, and having formative, nutritive, sensory, and protective functions. (Jablonski, Dictionary of Dentistry, 1992) Dental Pulps,Pulp, Dental,Pulps, Dental
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013234 Stem Cells Relatively undifferentiated cells that retain the ability to divide and proliferate throughout postnatal life to provide progenitor cells that can differentiate into specialized cells. Colony-Forming Units,Mother Cells,Progenitor Cells,Colony-Forming Unit,Cell, Mother,Cell, Progenitor,Cell, Stem,Cells, Mother,Cells, Progenitor,Cells, Stem,Colony Forming Unit,Colony Forming Units,Mother Cell,Progenitor Cell,Stem Cell
D014094 Tooth, Deciduous The teeth of the first dentition, which are shed and replaced by the permanent teeth. Primary Tooth,Tooth, Primary,Baby Teeth,Baby Tooth,Dentition, Deciduous,Dentition, Primary,Milk Teeth,Milk Tooth,Primary Teeth,Teeth, Deciduous,Teeth, Primary,Deciduous Dentition,Deciduous Dentitions,Deciduous Teeth,Deciduous Tooth,Dentitions, Deciduous,Dentitions, Primary,Primary Dentition,Primary Dentitions,Teeth, Baby,Teeth, Milk,Tooth, Baby,Tooth, Milk
D049109 Cell Proliferation All of the processes involved in increasing CELL NUMBER including CELL DIVISION. Cell Growth in Number,Cellular Proliferation,Cell Multiplication,Cell Number Growth,Growth, Cell Number,Multiplication, Cell,Number Growth, Cell,Proliferation, Cell,Proliferation, Cellular
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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