Hypoxia in the Initiation and Progression of Neuroblastoma Tumours
2020
Huertas Castaño, Carlos | Gómez Muñoz, María Ángeles | Pardal Redondo, Ricardo | Vega Moreno, Francisco Manuel | Universidad de Sevilla. Departamento de Biología Celular | Universidad de Sevilla. Departamento de Fisiología Médica y Biofísica
Neuroblastoma is the most frequent extracranial solid tumour in children, causing 10% of all paediatric oncology deaths. It arises in the embryonic neural crest due to an uncontrolled behaviour of sympathetic nervous system progenitors, giving rise to heterogeneous tumours. Low local or systemic tissue oxygen concentration has emerged as a cellular stimulus with important consequences for tumour initiation, evolution and progression. In neuroblastoma, several evidences point towards a role of hypoxia in tumour initiation during development, tumour cell differentiation, survival and metastatic spreading. However, the heterogeneous nature of the disease, its developmental origin and the lack of suitable experimental models have complicated a clear understanding of the effect of hypoxia in neuroblastoma tumour progression and the molecular mechanisms implicated. In this review, we have compiled available evidences to try to shed light onto this important field. In particular, we explore the effect of hypoxia in neuroblastoma cell transformation and differentiation. We also discuss the experimental models available and the emerging alternatives to study this problem, and we present hypoxia-related therapeutic avenues being explored in the field.
Afficher plus [+] Moins [-]Spanish Ministry of Science and Innovation SAF program (grant number SAF2016-80412-P)
Afficher plus [+] Moins [-]Mots clés AGROVOC
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