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完整牙齿冷冻保存对牙髓干细胞的影响。

Effects of cryopreservation of intact teeth on the isolated dental pulp stem cells.

机构信息

School of Dentistry, Taipei Medical University, Taipei, Taiwan.

出版信息

J Endod. 2010 Aug;36(8):1336-40. doi: 10.1016/j.joen.2010.04.015. Epub 2010 Jun 23.


DOI:10.1016/j.joen.2010.04.015
PMID:20647092
Abstract

INTRODUCTION: Human dental pulp stem cells (DPSCs) have been reported to be useful material for future regenerative medicine. Clinically, cryopreservation of intact teeth can successfully preserve the periodontal ligament for future autotransplantation; however, the effects of cryopreservation procedure on the properties of DPSCs are still unclear. The aim of this study was to test whether DPSCs isolated from cryopreserved teeth can express stem cell-specific markers. METHODS: In this study, a novel programmable freezer coupled to a magnetic field was used to perform the cryopreservation experiments. The tested DPSCs were isolated from magnetically cryopreserved and non-cryopreserved fresh teeth with an enzyme digestion procedure. The success rate of isolation, growth curves, morphology, stem cell-specific markers, and the differentiation capacity of the isolated cells were evaluated and compared. RESULTS: The isolation rate of dental pulp cells from magnetically cryopreserved teeth was 73%. After culture for 5 generations, there was no significant difference in cell viability between cells isolated from magnetically cryopreserved teeth and those isolated from fresh teeth. There were also no visible differences between the 2 groups of dental pulp cells in morphology, expression of stem cell markers, or osteogenic and adipogenic differentiations. CONCLUSIONS: The results suggest that cryopreserved whole teeth can be used for autotransplantation and provide a viable source of DPSCs.

摘要

简介:人牙髓干细胞(DPSCs)已被报道可用于未来的再生医学。临床上,完整牙齿的冷冻保存可以成功保存牙周韧带,以备未来的自体移植;然而,冷冻保存程序对 DPSCs 特性的影响尚不清楚。本研究旨在测试从冷冻保存的牙齿中分离的 DPSCs 是否能表达干细胞特异性标志物。

方法:在这项研究中,使用一种新型可编程冷冻机与磁场相结合来进行冷冻保存实验。通过酶消化程序,从磁性冷冻保存和非冷冻保存的新鲜牙齿中分离测试的 DPSCs。评估并比较了分离的成功率、生长曲线、形态、干细胞特异性标志物和分离细胞的分化能力。

结果:从磁性冷冻保存的牙齿中分离牙髓细胞的成功率为 73%。培养 5 代后,从磁性冷冻保存的牙齿中分离的细胞与从新鲜牙齿中分离的细胞在细胞活力方面没有显著差异。两组牙髓细胞在形态、干细胞标志物表达或成骨和成脂分化方面也没有明显差异。

结论:结果表明,冷冻保存的全牙可用于自体移植,并为 DPSCs 提供了可行的来源。

相似文献

[1]
Effects of cryopreservation of intact teeth on the isolated dental pulp stem cells.

J Endod. 2010-6-23

[2]
Magnetic cryopreservation for dental pulp stem cells.

Cells Tissues Organs. 2012-1-25

[3]
Effect of age and extrinsic microenvironment on the proliferation and osteogenic differentiation of rat dental pulp stem cells in vitro.

J Endod. 2009-9-20

[4]
Effect of cryopreservation on biological and immunological properties of stem cells from apical papilla.

J Cell Physiol. 2010-5

[5]
Effects of cryopreservation with a newly-developed magnetic field programmed freezer on periodontal ligament cells and pulp tissues.

Cryobiology. 2011-3-21

[6]
Effects of cryopreservation on the characteristics of dental pulp stem cells of intact deciduous teeth.

Arch Oral Biol. 2014-9

[7]
Cryopreservation Method for the Effective Collection of Dental Pulp Stem Cells.

Tissue Eng Part C Methods. 2017-5

[8]
A new population of human adult dental pulp stem cells: a useful source of living autologous fibrous bone tissue (LAB).

J Bone Miner Res. 2005-8

[9]
Tooth storage, dental pulp stem cell isolation, and clinical scale expansion without animal serum.

J Endod. 2014-5

[10]
Determination of cryoprotectant for magnetic cryopreservation of dental pulp tissue.

Tissue Eng Part C Methods. 2012-1-26

引用本文的文献

[1]
Autotransplantation of a Tooth Cryopreserved Over 11 Years Using a Programmed Freezer With a Magnetic Field: A Case Report.

Cureus. 2024-1-11

[2]
Development of a novel ex vivo organ culture system to improve preservation methods of regenerative tissues.

Sci Rep. 2023-2-27

[3]
Unusual Indications of Teeth Transplantation: A Literature Review.

Cureus. 2022-9-11

[4]
Comparison of 2,3,5,4'-tetrahydroxystilbene-2-O-b-D-glucoside-induced proliferation and differentiation of dental pulp stem cells in 2D and 3D culture systems-gene analysis.

J Dent Sci. 2022-1

[5]
Cryopreservation of mesenchymal stem cells derived from dental pulp: a systematic review.

Restor Dent Endod. 2021-4-29

[6]
2,3,5,4'-tetrahydroxystilbene-2-O-b-D-glucoside triggers the pluripotent-like possibility of dental pulp stem cells by activating the JAK2/STAT3 axis: Preliminary observations.

J Dent Sci. 2021-3

[7]
2,3,5,4'-tetrahydroxystilbene-2-O-β-D-glucoside-stimulated dental pulp stem cells-derived conditioned medium enhances cell activity and anti-inflammation.

J Dent Sci. 2021-3

[8]
Is There a Noninvasive Source of MSCs Isolated with GMP Methods with Better Osteogenic Potential?

Stem Cells Int. 2019-11-6

[9]
Success rates in isolating mesenchymal stem cells from permanent and deciduous teeth.

Sci Rep. 2019-11-14

[10]
Dental Pulp Stem Cells: Current Advances in Isolation, Expansion and Preservation.

Tissue Eng Regen Med. 2017-3-14

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