کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10753209 | 1050337 | 2014 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Repression of LXRα by a novel member of additional sex comb-like family, ASXL3
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
زیست شیمی
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چکیده انگلیسی
Among the members of the additional sex comb-like (ASXL) family, ASXL3 remains unexplored. Here, we showed that ASXL3 interacts with HP1α and LSD1, leading to transcriptional repression. We determined that ASXL3 depletion augments the ligand-induced transcriptional activities of LXRα and TRβ, which were repressed by ASXL3 overexpression. The ligand-dependent interactions of ASXL3 with LXRα and TRβ were demonstrated by the GST pull-down and immunoprecipitation analyses. We confirmed that ASXL3 suppresses the expression of LXRα target genes through its recruitment to the LXR-response elements. Finally, we observed that lipid accumulation in Hep3B cells is downregulated upon ASXL3 overexpression but upregulated upon ASXL3 depletion. Overall, our data suggest that ASXL3 is another corepressor of LXRα, promoting to the regulation of lipid homeostasis.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochemical and Biophysical Research Communications - Volume 454, Issue 4, 28 November 2014, Pages 479-485
Journal: Biochemical and Biophysical Research Communications - Volume 454, Issue 4, 28 November 2014, Pages 479-485
نویسندگان
Nara Shin, Yong-Kyu Lee, Ui-Hyun Park, Ji-Cheon Jeong, Soo-Jong Um,