Search results for: Yeong Cheol Cho

Items from 1 to 8 out of 8 results

article

Three-Dimensional Spheroid Formation of Cryopreserved Human Dental Follicle-Derived Stem Cells Enhances Pluripotency and Osteogenic Induction Properties

Hyo-Jung Kim, Iel-Yong Sung, Yeong-Cheol Cho, Min-Su Kang, more

Tissue Engineering and Regenerative Medicine > 2019 > 16 > 5 > 513-523

Background: Enhancement and maintenance of the stemness of mesenchymal stem cells (MSCs) is one of the most important factors contributing to the successful in vivo therapeutic application of these cells. In this regard, three-dimensional (3D) spheroid formation has been developed as reliable method for increasing the pluripotency of MSCs. Moreover, using a new protocol, we have previously shown that...

article

Bioabsorbable plates versus metal miniplate systems for use in endoscope-assisted open reduction and internal fixation of mandibular subcondylar fractures

Dong-Yul Kim, Iel-Yong Sung, Yeong-Cheol Cho, Eun-ji Park, more

Journal of Cranio-Maxillofacial Surgery > 2018 > 46 > 3 > 413-417

To compare bioabsorbable plates with metal miniplate systems for use in endoscope-assisted open reduction and internal fixation (EAORIF) of mandibular subcondylar fractures.This retrospective cohort study included patients with mandibular subcondylar fractures treated with EAORIF using bioabsorbable unsintered hydroxyapatite/poly l-lactide composite plates or titanium miniplate systems. The outcome...

article

The involvement of histone methylation in osteoblastic differentiation of human periosteum‐derived cells cultured in vitro under hypoxic conditions

Dae‐Kwan Yoon, Ji‐Sung Park, Gyu‐Jin Rho, Hyeon‐Jeong Lee, more

Cell Biochemistry and Function > 35 > 7 > 441 - 452

Although oxygen concentrations affect the growth and function of mesenchymal stem cells (MSCs), the impact of hypoxia on osteoblastic differentiation is not understood. Likewise, the effect of hypoxia‐induced epigenetic changes on osteoblastic differentiation of MSCs is unknown. The aim of this study was to examine the in vitro hypoxic response of human periosteum‐derived cells (hPDCs). Hypoxia resulted...

article

Are Biodegradable Plates Applicable in Endoscope-Assisted Open Reduction and Internal Fixation of Mandibular Subcondyle Fractures?

Jang-Ho Son, Jinhee Ha, Yeong-Cheol Cho, Iel-Yong Sung

Journal of Oral and Maxillofacial Surgery > 2017 > 75 > 8 > 1706-1715

To investigate whether biodegradable plates are applicable in endoscope-assisted open reduction and internal fixation (EAORIF) of mandibular subcondyle fractures.This retrospective case-series study included patients with mandibular subcondyle fractures treated with EAORIF using an unsintered hydroxyapatite particles/poly-l-lactide biodegradable plate system, with at least 6 months of clinical follow-up...

article

A novel combination treatment to stimulate bone healing and regeneration under hypoxic conditions: photobiomodulation and melatonin

Jang-Ho Son, Bong-Soo Park, In-Ryoung Kim, Iel-Yong Sung, more

Lasers in Medical Science > 2017 > 32 > 3 > 533-541

Melatonin has anabolic effects on the bone, even under hypoxia, and laser irradiation has been shown to improve osteoblastic differentiation. The aim of this study was to investigate whether laser irradiation and melatonin would have synergistic effects on osteoblastic differentiation and mineralization under hypoxic conditions. MC3T3-E1 cells were exposed to 1% oxygen tension for the hypoxia condition...

article

Stability of simultaneously placed dental implants with autologous bone grafts harvested from the iliac crest or intraoral jaw bone

Young-Hoon Kang, Hyun-Min Kim, June-Ho Byun, Uk-Kyu Kim, more

BMC Oral Health > 2015 > 15 > 1 > 1-11

Background Jaw bone and iliac bone are the most frequently used autologous bone sources for dental implant placement in patients with atrophic alveolar ridges. However, the comparative long-term stability of these two autologous bone grafts have not yet been investigated. The aim of this study was to compare the stability of simultaneously placed dental implants with autologous bone grafts harvested...

article

Melatonin promotes osteoblast differentiation and mineralization of MC3T3‐E1 cells under hypoxic conditions through activation of PKD/p38 pathways

Jang‐Ho Son, Yeong‐Cheol Cho, Iel‐Yong Sung, In‐Ryoung Kim, more

Journal of Pineal Research > 57 > 4 > 385 - 392

Osteoblastic differentiation and bone‐forming capacity are known to be suppressed under hypoxic conditions. Melatonin has been shown to influence cell differentiation. A number of in vitro and in vivo studies have suggested that melatonin also has an anabolic effect on bone, by promoting osteoblastic differentiation. However, the precise mechanisms and the signaling pathways involved in this process,...

article

Nasal Chondromesenchymal Hamartoma: Report of a Case Presenting With Intraoral Signs

Yeong Cheol Cho, Iel Yong Sung, Jang Ho Son, Robert Ord

Journal of Oral and Maxillofacial Surgery > 2013 > 71 > 1 > 72-76

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Search results for: Yeong Cheol Cho

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