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Organotypic tumor spheroids, a 3D in vitro model derived from patient tumor material, preserve tissue heterogeneity and retain structural tissue elements, thus replicating the in vivo tumor more closely than commonly used 2D and 3D cell line models. Such structures harbour tumorigenic cells, as revealed by xenograft implantation studies in animal models and(More)
Tumour spheroids initiated from glioma biopsy specimens provide a valuable three-dimensional cell culture system that share several biological features of malignant brain tumours in situ. Upon xenotransplantation in immunodeficient rats, tumours derived from such spheroids exhibit a highly infiltrative growth. Successful cryopreservation of spheroid(More)
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