Isolation and biological characterization of mesenchymal stem cells from goose dermis

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Abstract

The skin is a natural target of stem cell research because of its large size and easy accessibility. Cutaneous mesenchymal stem cells have shown to be a promising source of various adult stem cell or progenitor cell populations, which provide an important source of stem cell-based investigation. Nowadays, much work has been done on dermal-derived mesenchymal stem cells (DMSCs) from humans, mice, sheep, and other mammals, but the literature on avian species has been rarely reported. As an animal model, the goose is an endemic species abounding in dermal tissues which is important in the global economy. In this study, we isolated and established the mesenchymal stem cell line from dermis tissue of goose, which were subcultured to passage 21 in vitro without loss of their functional integrity in terms of morphology, renewal capacity, and presence of mesenchymal stem cell markers. Cryopreservation and resuscitation were also observed in different passages. To investigate the biological characteristics of goose DMSCs, immunofluorescence, reverse transcription-polymerase chain reaction, and flow cytometry were used to detect the characteristic surface markers. Growth curves and the capacity of colony forming were performed to test the self-renew and proliferative ability. Furthermore, the DMSCs are induced to osteoblasts, adipocytes, and chondrocytes in vitro. Our results suggest that DMSCs isolated from goose embryos possess similar biological characteristics to those from other species. The methods in establishment and cultivation of goose DMSCs line demonstrated a good self-renew and expansion potential in vitro, which provided a technological platform for preserving the valuable genetic resources of poultry and a great inspiration for in vitro investigation of avian MSCs.

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