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    Fibroblasts, the major cell type in keloid tissue, play an essential role in the formation and development of keloids. The isolation and culture of primary fibroblasts derived from keloid tissue are the basis for further studies of the biological function and molecular mechanisms of keloids, as well as new therapeutic strategies for treating them. The traditional method of obtaining primary fibroblasts has limitations, such as poor cellular state, mixing with other types of cells, and susceptibility to contamination. This paper describes an optimized and easily reproducible protocol that could reduce the occurrence of possible issues when obtaining fibroblasts. In this protocol, fibroblasts can be observed 5 days after isolation and reach nearly 80% confluency after 10 days of culture. Then, the fibroblasts are passaged and verified using PDGFRα and vimentin antibodies for immunofluorescence assays and CD90 antibodies for flow cytometry. In conclusion, fibroblasts from keloid tissue can be easily acquired through this protocol, which can provide an abundant and stable source of cells in the laboratory for keloid research.

    Citation

    Jinru Song, Yue Zhang, Huihui Pan, Xueyan Xu, Cheng-Cheng Deng, Bin Yang. Isolation, Culture, and Characterization of Primary Dermal Fibroblasts from Human Keloid Tissue. Journal of visualized experiments : JoVE. 2023 Jul 28(197)

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    PMID: 37578255

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