Role of FBXW2 in explant cultures of bovine periosteum-derived cells.

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Author: Mari Akiyama
Date: Nov. 4, 2021
From: BMC Research Notes(Vol. 14, Issue 1)
Publisher: BioMed Central Ltd.
Document Type: Report
Length: 2,794 words
Lexile Measure: 1130L

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Abstract :

Objective Bone regeneration is a potential technique for treating osteoporosis. A previous study reported that F-box and WD-40 domain-containing protein 2 (FBXW2) localized with osteocalcin in bovine periosteum after 5 weeks of explant culture. However, the osteoblastic functions of FBXW2 remain unclear. In this study, double-fluorescent immunostaining was used to investigate the potential role of FBXW2 and its relationship with osteocalcin. Results At day 0, FBXW2 was expressed in the cambium layer between the bone and periosteum, while osteocalcin was expressed in bone. After explant culture, changes in the periosteum were observed from weeks 1 to 7. At week 1, partial FBXW2 expression was seen with a small amount of osteocalcin. At week 2, a layer of FBXW2 was observed. From weeks 3 to 7, tube-like structures of FBXW and osteocalcin were observed, and periosteum-derived cells were released from the periosteum in areas where no FBXW2 was observed. Bovine periosteum-derived cells can form a three-dimensional cell pellet, because multilayered cell sheets are formed inside of the periosteum in vitro. It is shown that in results FBXW2 is produced in periosteal explants near sites where initial osteogenic activity is observed, suggesting that it may be involved in periosteal osteogenesis. Keywords: FBXW2, Osteocalcin, Periosteum, Periosteum-derived cells, Fluorescent immunostaining

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Gale Document Number: GALE|A681348647