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题目:: The effects of siRNA-mediated RGS4 gene silencing on the whole genome transcription profile: implications for schizophrenia.
作者:: Vrajová(Monika),Peková(Soňa),Horácek(Jirí),Höschl(Cyril)
状态:: 发布时间2011-08-10 , 更新时间 2011-08-10
期刊:: Neuro Endocrinol Lett
摘要:: The regulator of G-protein signaling (RGS) molecules represent a class of proteins that modulate the signaling activity of G-protein coupled receptors. Regulator of G-protein signaling 4 (RGS4) is of particular interest in schizophrenia due to reported downregulation of RGS4 transcripts in schizophrenia as well as a connection between RGS4 and a number of receptors implicated in schizophrenia. The mechanism of RGS4 involvement in the pathophysiology of this illness is not clear.,To elucidate thise role of RGS4 in pathophysiology of schizophrenia, we silenced RGS4 using siRNAs in human neuroblastoma cell lines and we studied the effects of differential RGS4 expression by microarray.,The cell lines with downregulated expression of RGS4 showed 67 genes with changed expression (30 underexpressed and 37 overexpressed). We have detected three subgroups of genes which might be implicated in schizophrenia pathophysiology: histone genes, which suggest epigenetic mechanisms of the disease; genes for transcription factors associated with other genes relevant to schizophrenia pathology (BDNF and DISCI1) and a heterogeneous group containing genes for G-proteins (GPR50 and GPR64) and calcium binding proteins.
语言:: eng
DOI:

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