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Transcriptional Regulatory Mechanisms of Freud-1, a Novel Mental Retardation GeneSouslova, Tatiana 31 May 2011 (has links)
The mechanisms that govern the repression of 5-HT1A receptor gene expression mediated by a novel mental retardation gene, Freud-1, were examined in HEK293 and SKNSH cells. This study provides a possible mechanism of 5-HT1A receptor gene regulation by Freud-1, which, to mediate its action, recruits Swi/Snf and Sin3A/histone deacetylase (HDAC) complexes in non-neuronal HEK293 cells and Swi/Snf only in neuronal, 5-HT1A receptor-expressing SKNSH cells. Thus, Freud-1 has a dual mechanism of repression depending on cell type: HDAC dependent in HEK293 cells and HDAC independent in SKNSH cells. In addition, I present evidence that Freud-1 is not sumoylated at its consensus sumoylation sites and I present the lipid binding properties of Freud-1 and Freud-1 mutants.
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Transcriptional Regulatory Mechanisms of Freud-1, a Novel Mental Retardation GeneSouslova, Tatiana 31 May 2011 (has links)
The mechanisms that govern the repression of 5-HT1A receptor gene expression mediated by a novel mental retardation gene, Freud-1, were examined in HEK293 and SKNSH cells. This study provides a possible mechanism of 5-HT1A receptor gene regulation by Freud-1, which, to mediate its action, recruits Swi/Snf and Sin3A/histone deacetylase (HDAC) complexes in non-neuronal HEK293 cells and Swi/Snf only in neuronal, 5-HT1A receptor-expressing SKNSH cells. Thus, Freud-1 has a dual mechanism of repression depending on cell type: HDAC dependent in HEK293 cells and HDAC independent in SKNSH cells. In addition, I present evidence that Freud-1 is not sumoylated at its consensus sumoylation sites and I present the lipid binding properties of Freud-1 and Freud-1 mutants.
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Transcriptional Regulatory Mechanisms of Freud-1, a Novel Mental Retardation GeneSouslova, Tatiana 31 May 2011 (has links)
The mechanisms that govern the repression of 5-HT1A receptor gene expression mediated by a novel mental retardation gene, Freud-1, were examined in HEK293 and SKNSH cells. This study provides a possible mechanism of 5-HT1A receptor gene regulation by Freud-1, which, to mediate its action, recruits Swi/Snf and Sin3A/histone deacetylase (HDAC) complexes in non-neuronal HEK293 cells and Swi/Snf only in neuronal, 5-HT1A receptor-expressing SKNSH cells. Thus, Freud-1 has a dual mechanism of repression depending on cell type: HDAC dependent in HEK293 cells and HDAC independent in SKNSH cells. In addition, I present evidence that Freud-1 is not sumoylated at its consensus sumoylation sites and I present the lipid binding properties of Freud-1 and Freud-1 mutants.
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Transcriptional Regulatory Mechanisms of Freud-1, a Novel Mental Retardation GeneSouslova, Tatiana January 2011 (has links)
The mechanisms that govern the repression of 5-HT1A receptor gene expression mediated by a novel mental retardation gene, Freud-1, were examined in HEK293 and SKNSH cells. This study provides a possible mechanism of 5-HT1A receptor gene regulation by Freud-1, which, to mediate its action, recruits Swi/Snf and Sin3A/histone deacetylase (HDAC) complexes in non-neuronal HEK293 cells and Swi/Snf only in neuronal, 5-HT1A receptor-expressing SKNSH cells. Thus, Freud-1 has a dual mechanism of repression depending on cell type: HDAC dependent in HEK293 cells and HDAC independent in SKNSH cells. In addition, I present evidence that Freud-1 is not sumoylated at its consensus sumoylation sites and I present the lipid binding properties of Freud-1 and Freud-1 mutants.
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