Abstract
Glioma stem cells (GSC) present a critical therapeutic challenge for glioblastoma multiforme (GBM). Drug screening against GSC demands development of novel in vitro and in vivo platforms that can mimic brain microenvironment and support GSC maintenance and tumorigenesis. Here, we report, a 3-dimensionel (3D) biomimetic macro-porous scaffold developed by incorporating hyaluronic acid, porcine brain extra cellular matrix (ECM) and growth factors that facilitates regeneration of GBM from primary GSCs, ex vivo and in vivo. After characterizing with human and rat GBM cell lines and neurospheres, human GSCs expressing Notch1, Sox-2, Nestin, and CD133 biomarkers were isolated from GBM patients, cultured in the 3D scaffold, and implanted subcutaneously in nude mice to develop patient derived xenograft (PDX) models. Aggressive growth pattern of PDX with formation of intratumoral vascularization was monitored by magnetic resonance imaging (MRI). Histopathological and phenotypial features of the original tumors were...
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