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- W2024495952 abstract "Glioblastoma multiforme (GBM) tumors, which arise from glia in the central nervous system (CNS), are one of the most deadly forms of human cancer with a median survival time of ∼1 year. Their high infiltrative capacity makes them extremely difficult to treat, and even with aggressive multimodal clinical therapies, outcomes are dismal. To improve understanding of cell migration in these tumors, three-dimensional (3D) multicomponent composite hydrogels consisting of collagen and hyaluronic acid, or hyaluronan (HA), were developed. Collagen is a component of blood vessels known to be associated with GBM migration; whereas, HA is one of the major components of the native brain extracellular matrix (ECM). We characterized hydrogel microstructural features and utilized these materials to investigate patient tumor-derived, single cell morphology, spreading, and migration in 3D culture. GBM morphology was influenced by collagen type with cells adopting a rounded morphology in collagen-IV versus a spindle-shaped morphology in collagen-I/III. GBM spreading and migration were inversely dependent on HA concentration; with higher concentrations promoting little or no migration. Further, noncancerous astrocytes primarily displayed rounded morphologies at lower concentrations of HA; in contrast to the spindle-shaped (spread) morphologies of GBMs. These results suggest that GBM behaviors are sensitive to ECM mimetic materials in 3D and that these composite hydrogels could be used to develop 3D brain mimetic models for studying migration processes." @default.
- W2024495952 created "2016-06-24" @default.
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- W2024495952 date "2013-09-06" @default.
- W2024495952 modified "2023-10-12" @default.
- W2024495952 title "Glioblastoma Behaviors in Three-Dimensional Collagen-Hyaluronan Composite Hydrogels" @default.
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- W2024495952 doi "https://doi.org/10.1021/am402097j" @default.
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