Journal
CELLULAR & MOLECULAR BIOLOGY LETTERS
Volume 21, Issue -, Pages -Publisher
BMC
DOI: 10.1186/s11658-016-0027-8
Keywords
Human bone-derived cells; Integrins; Osteoblast differentiation; Osteogenesis in vitro; Osteogenic markers; Primary osteoblasts
Categories
Funding
- Polish funds for scientific research [N N302157037]
- Polish Ministry of Science and Higher Education [3 T08A 001 30]
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Background: The primary human bone-derived cell culture technique is used as a model to study human osteogenesis. Compared to cell line cultures, primary osteoprogenitor and osteoblast cultures provide more complex information about osteogenesis, bone remodeling and regeneration than cell line cultures. Methods: In this study, we isolated human bone-derived cells (HBDCs) and promoted their differentiation into osteoblasts. The following parameters were evaluated: cell number and viability, total protein expression, alkaline phosphatase activity, collagenous matrix production and osteogenic genes expression, i.e., gene coding for type I collagen and alkaline phosphatase. Results: It was proved the results show that HBDCs intensively proliferate during the first 7 days of culture followed by differentiation accompanied by an increase in alkaline phosphatase activity. Moreover, it was observed that during the differentiation of HBDCs, the expression of integrin beta 1 increased. Conclusions: The process was also accompanied by changes in cell shape and rearrangement of the actin cytoskeleton and focal contacts containing FAK and the integrin beta 1 subunit. We suggest that the beta 1 integrin subunit may be a suitable new target in studies of the differentiation of primary human osteoblasts in culture.
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