Influence of serum concentration in retinoic acid and phorbol ester induced differentiation of SH-SY5Y human neuroblastoma cell line

Numerous protocols to establish dopaminergic phenotype in SH-SY5Y cells have been reported. In most of these protocols there are variations in concentration of serum used. In this paper, we compared the effects of high (10%), low (3%) and descending (2.5%/1%) serum concentration in differentiation m...

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Bibliographic Details
Published in:Molecular biology reports 2020-11, Vol.47 (11), p.8775-8788
Main Authors: Magalingam, Kasthuri Bai, Radhakrishnan, Ammu Kutty, Somanath, Sushela Devi, Md, Shadab, Haleagrahara, Nagaraja
Format: Article
Language:English
Subjects:
12-O-Tetradecanoylphorbol-13-acetate
6-Hydroxydopamine
Acetic acid
Animal Anatomy
Animal Biochemistry
Biomedical and Life Sciences
Cell culture
Cell differentiation
Cell proliferation
Culture media
Cytology
Cytotoxicity
Dopamine
Dopamine D2 receptors
Gene expression
Histology
Hydroxylase
Life Sciences
Molecular modelling
Morphology
Movement disorders
Neuroblastoma
Neurodegenerative diseases
Original Article
Parkinson's disease
Phenotypes
Retinoic acid
Synuclein
Tyrosine 3-monooxygenase
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Summary:Numerous protocols to establish dopaminergic phenotype in SH-SY5Y cells have been reported. In most of these protocols there are variations in concentration of serum used. In this paper, we compared the effects of high (10%), low (3%) and descending (2.5%/1%) serum concentration in differentiation medium containing different proportion of retinoic acid (RA) and 12-O-Tetradecanoylphorbol-13-acetate (TPA) or RA-only on the undifferentiated SH-SY5Y cells with regards to cell morphology, biochemical and gene expression alterations. Cells differentiated in culture medium containing low and descending serum concentrations showed increased number of neurite projections and reduced proliferation rates when compared to undifferentiated cells. The SH-SY5Y cells differentiated in culture medium containing 3% RA and low serum or descending (2.5%/1% RA/TPA) were found to be more susceptible to 6-hydroxydopamine (6-OHDA) induced cytotoxicity. Cells differentiated with RA/TPA or RA differentiated showed increased production of the α-synuclein (SNCA) neuroprotein and dopamine neurotransmitter compared to undifferentiated cells, regardless serum concentrations used. There was no significant difference in the expression of tyrosine hydroxylase ( TH ) gene between undifferentiated and differentiated SH-SY5Y cells. However, the expression of dopamine receptor D2 ( DRD2 ) gene was markedly increased (p
ISSN:0301-4851
1573-4978
DOI:10.1007/s11033-020-05925-2