Prostate cancer (PrCa) cells form differentiated spheroids or "prostaspheres" in three-dimensional cell culture (3D culture) when embedded in extracellular matrix such as MatrigelTM, rat tail collagen, or hydrogel. While this has been pioneered and explored widely, e.g. in breast cancer, the characterization of prostate cancer cells in 3D culture has been seriously lagging behind. In this recent study, the authors have now systematically investigated the differentiation potential of over 30 prostate cancer cell lines in 3D culture...
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