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Yumi Ohori-Morita
Researcher at Tohoku University
Publications - 5
Citations - 30
Yumi Ohori-Morita is an academic researcher from Tohoku University. The author has contributed to research in topics: Medicine & Ameloblast. The author has co-authored 2 publications.
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Journal ArticleDOI
A Shaking-Culture Method for Generating Bone Marrow Derived Mesenchymal Stromal/Stem Cell-Spheroids With Enhanced Multipotency in vitro.
TL;DR: It is suggested that the shaking-culture method maintains and restores multipotency that is lost following monolayer expansion and thereby shows potential as a promising strategy for regenerative therapies with mesenchymal tissues.
Journal ArticleDOI
Novel Mesenchymal Stem Cell Spheroids with Enhanced Stem Cell Characteristics and Bone Regeneration Ability
Yumi Ohori-Morita,Kunimichi Niibe,Phoonsuk Limraksasin,Praphawi Nattasit,Xinchao Miao,Masahiro Yamada,Yo Mabuchi,Yumi Matsuzaki,Hiroshi Egusa +8 more
TL;DR: It is suggested that NM-spheroids generated using modified neurosphere culture conditions under continuous shaking recovered their stem cell characteristics in vitro and enhanced bone regeneration in vivo, which should have great clinical potential for bone and tissue regenerative therapies as a stem cell-based biomaterial therapy.
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Epiprofin Transcriptional Activation Promotes Ameloblast Induction From Mouse Induced Pluripotent Stem Cells via the BMP-Smad Signaling Axis
Xinchao Miao,Kunimichi Niibe,Yu Fu,Maolin Zhang,Praphawi Nattasit,Yumi Ohori-Morita,Takashi Nakamura,Xinquan Jiang,Hiroshi Egusa +8 more
TL;DR: The results reveal the potential regulatory networks between Epfn and the BMP-Smad pathway and suggest that Epfn is a promising target for inducing the differentiation of ameloblasts, which can be used in enamel and tooth regeneration.
Journal ArticleDOI
Stage-Specific Role of Amelx Activation in Stepwise Ameloblast Induction from Mouse Induced Pluripotent Stem Cells.
Xinchao Miao,Kunimichi Niibe,Maolin Zhang,Zeni Liu,Praphawi Nattasit,Yumi Ohori-Morita,Takashi Nakamura,Xinquan Jiang,Hiroshi Egusa +8 more
TL;DR: In this paper, the involvement of Amelx transcriptional activation in regulating ameloblast differentiation from induced pluripotent stem cells (iPSCs) remains unknown; however, the authors show that Amelox activation at stage 3 significantly enhanced cell adhesion and decreased proliferation and migration.
Journal ArticleDOI
Stiffness-Tunable Hydrogel-Sandwich Culture Modulates the YAP-Mediated Mechanoresponse in Induced-Pluripotent Stem Cell Embryoid Bodies and Augments Cardiomyocyte Differentiation.
Praphawi Nattasit,Kunimichi Niibe,Masahiro Yamada,Yumi Ohori-Morita,Phoonsuk Limraksasin,Watcharaphol Tiskratok,Masaya Yamamoto,Hiroshi Egusa +7 more
TL;DR: In this article , a three-dimensional hydrogel-sandwich culture (HGSC) was developed to investigate the effects of mechanical cues on iPSC-derived embryoid bodies (EB) differentiation.