Wellcome open research · 2025
Neuroblastoma cell lines display heterogeneity in differentiation responses.
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Ferguson Kirsty M, Gillen Sarah L, Abou Grealy Fiona M Y, Vedi Aditi, Philpott Anna
Аннотация
BACKGROUND: Neuroblastoma is the most common extra-cranial childhood solid tumour, arising during development from stalled neural crest-derived precursor cells. In a subset of children younger than 18 months of age, neuroblastoma can undergo spontaneous regression driven by differentiation, leading to great interest in developing differentiation therapies to re-direct neuroblastoma cells down their correct developmental pathway. Recently, we have shown that combinatorial treatment with the CDK4/6 inhibitor palbociclib and differentiation-inducing agent retinoic acid inhibits proliferation and drives neuronal differentiation of adrenergic-type neuroblastoma cell lines.
METHODS: Here, we explore the differentiation potential of neuroblastoma cell lines in vitro in response to palbociclib and retinoic acid treatment using microscopy, transcriptomic and qRT-PCR analyses.
RESULTS: We present evidence suggesting that neuroblastoma cells can give rise to mixtures of neural crest-derived adrenal gland cell types, and that differentiation responses correspond to changes in patterns of extracellular matrix substrate expression.
CONCLUSIONS: This study builds a case to further investigate and consider heterogeneity in neuroblastoma cell differentiation and extracellular matrix changes during these cell fate decisions.
METHODS: Here, we explore the differentiation potential of neuroblastoma cell lines in vitro in response to palbociclib and retinoic acid treatment using microscopy, transcriptomic and qRT-PCR analyses.
RESULTS: We present evidence suggesting that neuroblastoma cells can give rise to mixtures of neural crest-derived adrenal gland cell types, and that differentiation responses correspond to changes in patterns of extracellular matrix substrate expression.
CONCLUSIONS: This study builds a case to further investigate and consider heterogeneity in neuroblastoma cell differentiation and extracellular matrix changes during these cell fate decisions.