Journal
JOURNAL OF BIOLOGICAL CHEMISTRY
Volume 296, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jbc.2021.100549
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Funding
- Universidad de Buenos Aires [UBACYT 20020170100454BA]
- Agencia Nacional de Promocion Cientifica y Tecnologica [PICT-2017-2971]
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Advances in cancer biology have highlighted the significance of the cancer cell microenvironment, with focus on the role of hyaluronan (HA) in the progression of glioblastoma (GBM). Despite decades of research, the mechanisms underlying HA's impact on GBM remain elusive. Various strategies have been employed to understand HA's function and potential therapeutic targeting to improve the outcomes for GBM patients.
Advances in cancer biology are revealing the importance of the cancer cell microenvironment on tumorigenesis and cancer progression. Hyaluronan (HA), the main glycosaminoglycan in the extracellular matrix, has been associated with the progression of glioblastoma (GBM), the most frequent and lethal primary tumor in the central nervous system, for several decades. However, the mechanisms by which HA impacts GBM properties and processes have been difficult to elucidate. In this review, we provide a comprehensive assessment of the current knowledge on HA's effects on GBM biology, introducing its primary receptors CD44 and RHAMM and the plethora of relevant downstream signaling pathways that can scramble efforts to directly link HA activity to biological outcomes. We consider the complexities of studying an extracellular polymer and the different strategies used to try to capture its function, including 2D and 3D in vitro studies, patient samples, and in vivo models. Given that HA affects not only migration and invasion, but also cell proliferation, adherence, and chemoresistance, we highlight the potential role of HA as a therapeutic target. Finally, we review the different existing approaches to diminish its protumor effects, such as the use of 4-methylumbelliferone, HA oligomers, and hyaluronidases and encourage further research along these lines in order to improve the survival and quality of life of GBM patients.
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