Protein-Functionalized Microgel for Multiple Myeloma Cells' 3D Culture

Juan Carlos Marin-Paya,Sandra Clara-Trujillo, Lourdes Cordon,Gloria Gallego Ferrer, Amparo Sempere,Jose Luis Gomez Ribelles

BIOMEDICINES(2022)

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摘要
Multiple myeloma is a hematologic neoplasm caused by an uncontrolled clonal proliferation of neoplastic plasma cells (nPCs) in the bone marrow. The development and survival of this disease is tightly related to the bone marrow environment. Proliferation and viability of nPCs depend on their interaction with the stromal cells and the extracellular matrix components, which also influences the appearance of drug resistance. Recapitulating these interactions in an in vitro culture requires 3D environments that incorporate the biomolecules of interest. In this work, we studied the proliferation and viability of three multiple myeloma cell lines in a microgel consisting of biostable microspheres with fibronectin (FN) on their surfaces. We also showed that the interaction of the RPMI8226 cell line with FN induced cell arrest in the G0/G1 cell cycle phase. RPMI8226 cells developed a significant resistance to dexamethasone, which was reduced when they were treated with dexamethasone and bortezomib in combination.
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关键词
multiple myeloma,microgel,fibronectin,dexamethasone,bortezomib
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