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Double intratibial injection of human tonsil-derived mesenchymal stromal cells recovers postmenopausal osteoporotic bone mass

Title
Double intratibial injection of human tonsil-derived mesenchymal stromal cells recovers postmenopausal osteoporotic bone mass
Authors
Kim, GyungahJin, Yoon MiYu, YeonsilKim, Ha YeongJo, Sangmee AhnPark, Yoon JeongPark, Yoon ShinJo, Inho
Ewha Authors
조인호유연실
SCOPUS Author ID
조인호scopus; 유연실scopus
Issue Date
2018
Journal Title
CYTOTHERAPY
ISSN
1465-3249JCR Link

1477-2566JCR Link
Citation
CYTOTHERAPY vol. 20, no. 8, pp. 1013 - 1027
Keywords
femoral headintratibial injectionosteoporosisovariectomizedtonsil-derived mesenchymal stem cellsvisceral fat
Publisher
ELSEVIER SCI LTD
Indexed
SCIE; SCOPUS WOS scopus
Document Type
Article
Abstract
Background and aims: Osteoporosis, which is a disease characterized by weakening of the bone, affects a large portion of the senior population. The current therapeutic options for osteoporosis have side effects, and there is no effective treatment for severe osteoporosis. Thus, we urgently need new treatment strategies, such as topical therapies and/or safe and effective stem cell therapies. Methods: We investigated the therapeutic potential of directly injecting human tonsil-derived mesenchymal stem cells (TMSC) into the right proximal tibias of ovariectomized postmenopausal osteoporosis model mice. Injections were given once (1x) or twice (2x) during the 3-month experimental period. At the end of the experiment, micro -computed tomographic images revealed some improvement in the proximal tibias and more significant improvement in the femoral heads of treated mice. Results: Osteogenic effect was qualitatively and quantitatively more pronounced in TMSC/2x-treated mice. Furthermore, TMSC/2x mice exhibited significant recovery of the serum osteocalcin level, which is pathologically elevated in osteoporosis, and increased serum alkaline phosphatase, which indicates bone formation. TMSC therapy was generally well tolerated and caused no apparent toxicity in the experimental mice. Moreover, TMSC therapy reduced visceral fat. Conclusion: Our results demonstrate that double injection of TMSC directly into the proximal tibia triggers recovery of osteoporosis, and thus could be a potential therapeutic approach for severe bone loss.
DOI
10.1016/j.jcyt.2018.06.008
Appears in Collections:
의과대학 > 의학과 > Journal papers
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