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1.
Chinese Traditional and Herbal Drugs ; (24): 6391-6395, 2020.
Artigo em Chinês | WPRIM | ID: wpr-846003

RESUMO

Ganoderma lucidum is a traditional folk common rare medicinal herb, which plays an important role in maintaining human health. Among them, G. lucidum polysaccharide is one of the main bioactive components of G. lucidum, which has various pharmacological effects such as anti-cancer, immunomodulatory, antibacterial, antioxidant, and scavenging free radicals. Due to the complex etiology and pathogenesis of central nervous system diseases, the clinical manifestations are diverse, and the individual response to treatment varies widely, which brings great challenges to clinical treatment. The characteristics and mechanism of the central neuroprotective effect of G. lucidum polysaccharide are reviewed in this paper from the aspects of Alzheimer's disease, anti-epileptic, modulating microglia inflammatory response, etc., in order to provide relevant evidence for its clinical application.

2.
Protein & Cell ; (12): 351-361, 2016.
Artigo em Inglês | WPRIM | ID: wpr-757126

RESUMO

The methylcytosine dioxygenases TET proteins (TET1, TET2, and TET3) play important regulatory roles in neural function. In this study, we investigated the role of TET proteins in neuronal differentiation using Neuro2a cells as a model. We observed that knockdown of TET1, TET2 or TET3 promoted neuronal differentiation of Neuro2a cells, and their overexpression inhibited VPA (valproic acid)-induced neuronal differentiation, suggesting all three TET proteins negatively regulate neuronal differentiation of Neuro2a cells. Interestingly, the inducing activity of TET protein is independent of its enzymatic activity. Our previous studies have demonstrated that srGAP3 can negatively regulate neuronal differentiation of Neuro2a cells. Furthermore, we revealed that TET1 could positively regulate srGAP3 expression independent of its catalytic activity, and srGAP3 is required for TET-mediated neuronal differentiation of Neuro2a cells. The results presented here may facilitate better understanding of the role of TET proteins in neuronal differentiation, and provide a possible therapy target for neuroblastoma.


Assuntos
Animais , Camundongos , Domínio Catalítico , Diferenciação Celular , Fisiologia , Linhagem Celular Tumoral , Proteínas de Ligação a DNA , Genética , Metabolismo , Inibidores Enzimáticos , Farmacologia , Proteínas Ativadoras de GTPase , Genética , Metabolismo , Imuno-Histoquímica , Microscopia de Fluorescência , Neuroblastoma , Metabolismo , Patologia , Isoformas de Proteínas , Genética , Metabolismo , Proteínas Proto-Oncogênicas , Genética , Metabolismo , Interferência de RNA , RNA Mensageiro , Metabolismo , RNA Interferente Pequeno , Metabolismo , Ácido Valproico , Farmacologia
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