Abstract
Single-cell RNA sequencing (scRNA-seq) is highly dependent on cellular composition of a tissue of interest. For soft tissues, isolation of individual cells from the extracellular matrix (ECM) while retaining viability and minimizing degradation within subpopulations is well established. In contrast, articular cartilage is comprised of sparsely positioned chondrocytes embedded within a dense ECM high in glycosaminoglycans, proteoglycans, and many fibrous proteins such as collagens, elastin, fibronectin, and laminins. This densely packed ECM makes it difficult to isolate viable chondrocytes for further single-cell analysis. This protocol highlights a successful technique optimized for isolating chondrocytes from the articulated joints of rodent animal models using a series of enzymatic digestions and chondrocyte enrichment using a double negative selection process through florescence-activated cell sorting (FACS).
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McCool, J.L., Hum, N.R., Sebastian, A., Loots, G.G. (2023). Isolation of Murine Articular Chondrocytes for Single-Cell RNA or Bulk RNA Sequencing Analysis. In: Stoddart, M.J., Della Bella, E., Armiento, A.R. (eds) Cartilage Tissue Engineering. Methods in Molecular Biology, vol 2598. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-2839-3_14
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DOI: https://doi.org/10.1007/978-1-0716-2839-3_14
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Publisher Name: Humana, New York, NY
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Online ISBN: 978-1-0716-2839-3
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