Abstract
SH-SY5Y is a cell line derived from human neuroblastoma. It is one of the most widely used in vitro models to study Parkinson's disease. Surprisingly, it has been found that it does not develop a dopaminergic phenotype after differentiation, questioning its usefulness as a Parkinson's model. There are other in vitro models with better dopaminergic characteristics. BE (2)-M17 is a human neuroblastoma cell line that differentiates when treated with retinoic acid. We compared the dopaminergic and serotonergic properties of both cell lines. BE (2)-M17 has higher basal levels of dopaminergic markers and acquires a serotonergic phenotype during differentiation while maintaining the dopaminergic phenotype. SH-SY5Y has higher basal levels of serotonergic markers but does not acquire a dopaminergic phenotype upon differentiation.
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