ArticleTurkish journal of biology = Turk biyoloji dergisi2025
Evaluating SH-SY5Y cells as a dopaminergic neuronal model: morphological, transcriptomic, and proteomic insights.
Article in Turkish journal of biology = Turk biyoloji dergisi, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
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3 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Dopaminergic Identity of SH-SY5Y Cells Across Differentiation Protocols in Parkinson's Disease Research: A Systematic Review.International journal of molecular sciences · 2026Pooled it
- Mitochondrial oxidative stress and ion-channel suppression reveal a distinct neurotoxic profile of fentanyl analogues in a human neuronal model.Archives of toxicology · 2026Article
- Phycocyanobilin Attenuates Oligomerized Amyloid β-Induced Neuronal Senescence Through SIRT1-Associated Mechanisms.Nutrients · 2026Article
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5 authors.
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Abstract
Background/aim: The SH-SY5Y neuroblastoma cell line is a popular in vitro model for neurodegenerative disease research, especially Parkinsons disease (PD) research, but its use is complicated by limitations like the persistence of neuroblastoma-like features, unstable differentiation, mitochondrial dysfunction, and cellular stress. To address these limitations, this study tested a blended, nine-day differentiation protocol that sequentially applied all-trans retinoic acid (RA), brain-derived neurotrophic factor (BDNF), and dibutyryl cyclic adenosine monophosphate (dbcAMP). By evaluating key neuronal, dopaminergic, and PD-related markers, the research aims to determine if these differentiated SH-SY5Y cells are a suitable model for studying PD. Materials and methods: A blended differentiation protocol using RA, BDNF, and dbcAMP was applied to SH-SY5Y cells. Morphological changes were evaluated by immunofluorescence microscopy. Furthermore, mostly dopaminergic neuronal markers associated with PD were used for characterization purposes. Nanoliquid chromatography coupled with tandem mass spectrometry proteome analysis was performed to identify changes in protein expression related to differentiation. Results: Differentiation led to neuron-like morphology with extended neurites. Gene expression analyses revealed upregulation of several neuronal markers, such as Nestin and MAP2, indicating progression from progenitor to neuron-like states. Furthermore, some dopaminergic markers, such as TH and Nurr1, showed elevated expression with asynchronous expression patterns, suggesting heterogeneity in the differentiation process. Proteomic analysis indicated significant changes in cell differentiation and neurogenesis. Transient expression of key neuronal markers was observed. The cells required continuous external stimuli. Conclusion: While SH-SY5Y cells exhibited dopaminergic characteristics following the blended differentiation protocol, the transient expression of key neuronal markers and the need for continuous external stimuli raised concerns about the stability and functional maturity of these differentiated cells as an in vitro PD model. These findings suggest that SH-SY5Y cells might not fully capture the properties of mature neurons.
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