Abstract
Cell lineage tracing, an old technique which originated in the nineteenth century, regains popularity and relevance due to introduction of a more sensitive tomato fluorescent protein under the control of a ubiquitous promoter (Rosa 26 gene). In addition, various tissue specific CreERT2 mouse lines are widely available, making cell lineage tracing studies more specific and powerful. In this protocol, we provide a practical guide for researchers to map progeny of specific cells such as chondrocytes during development using a fluorescent reporter (tomato, red) and multiple chondrocyte Cre lines. Further, we provide valuable examples in which these tracing lines, combined with a bone reporter mouse line (2.3 Col 1a1-GFP) or costained with different immunofluorescent proteins, revealed how a chondrocyte transdifferentiates into a bone cell in vivo.
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Acknowledgments
This study was partly supported by U.S.s National Institutes of Health grants to J.Q.F. (R01DE025014 and DE025659).
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Jing, Y., Simmer, P., Feng, J.Q. (2021). Cell Lineage Tracing: Colocalization of Cell Lineage Markers with a Fluorescent Reporter. In: Hilton, M.J. (eds) Skeletal Development and Repair. Methods in Molecular Biology, vol 2230. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-1028-2_18
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DOI: https://doi.org/10.1007/978-1-0716-1028-2_18
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Publisher Name: Humana, New York, NY
Print ISBN: 978-1-0716-1027-5
Online ISBN: 978-1-0716-1028-2
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