کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8295028 | 1536756 | 2018 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
ZEB1 stimulates breast cancer growth by up-regulating hTERT expression
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موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
زیست شیمی
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چکیده انگلیسی
Dysfunctional cell proliferation and death are the foundation of the malignant biological characteristics of cancers. In this study, we discovered that ZEB1 was positively correlated with hTERT in breast invasive ductal carcinoma samples at both the mRNA and protein levels. Further, our in vitro study in breast cancer cell lines confirmed that ZEB1 regulates hTERT expression at the mRNA and protein levels; thus, hTERT promotes or inhibits telomerase activity, and telomere length is either protected or reduced. Finally, we verified that ZEB1, which mostly functions as a transcriptional repressor, can recruit the co-activator YAP to enhance the transcriptional activation of hTERT. Fascinatingly, instead of acting on E-boxes, the ZEB1/YAP complex tends to function as a transcriptional activator by binding with sequences potentially located in the hTERT promoter. Consequently, our research revealed a new ZEB1-hTERT signaling pathway involved in cell proliferation regulation that has never before been illuminated in breast cancer.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochemical and Biophysical Research Communications - Volume 495, Issue 4, 22 January 2018, Pages 2505-2511
Journal: Biochemical and Biophysical Research Communications - Volume 495, Issue 4, 22 January 2018, Pages 2505-2511
نویسندگان
Pan Yu, Xi Shen, Wen Yang, Yunke Zhang, Chunping Liu, Tao Huang,