cysteine: a novel neural inducer for rat bone marrow mesenchymal stem cells

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چکیده

objective: mesenchymal stem cells (mscs) can differentiate into various cell types. since cysteine has structural similarities to neuronal inducers β-mercaptoethanol and glutathione, we examined its effect on neural induction of rat bone marrow mscs. materials and methods: in this experimental study, cells were treated in a medium containing 1mm cysteine for 24 hours prior to treatment with neuron inducing medium containing 10 mm cysteine for 1, 2 and 3 hours. cell viability and morphology were assessed by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (mtt) assay and, hoechst, propidium iodide and acridine orange staining respectively. expression of nestin and β-tubulin iii genes, as neural cell-specific markers, was studied reverse transcription polymerase chain reaction (rt-pcr). the data was statistically analyzed using one-way anova and tukey’s test and p<0.05 was considered significant. results: after 3 hours of treatment, neuron like morphology with a considerable expression of nestin and β-tubulin iii genes was apparent. the mean cell viability was not significantly different at 1, 2 and 3 hours following induction, compared with the control cells. conclusion: cysteine can induce neural features in rat bone marrow mscs without reducing cell viability. therefore, it can be considered as a safer alternative to toxic neural inducer agents such as β-mercaptoethanol.

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عنوان ژورنال:
cell journal

جلد ۱۶، شماره ۲، صفحات ۱۹۵-۲۰۲

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