scholarly journals The Role of Prostaglandin G/H Synthase 2 in the Apoptosis of Human Mammary Epithelial Cells.

1998 ◽  
Author(s):  
Robert Fisher



2012 ◽  
Author(s):  
Aditya Bele ◽  
Channabasavaiah Basavaraju Gurumurthy ◽  
Xiangshan Zhao ◽  
Jun Wang ◽  
Sameer Mirza ◽  
...  




2001 ◽  
Vol 75 (9) ◽  
pp. 4459-4466 ◽  
Author(s):  
Qingshen Gao ◽  
Latika Singh ◽  
Ajay Kumar ◽  
Seetha Srinivasan ◽  
David E. Wazer ◽  
...  

ABSTRACT Recent analyses have identified a number of binding partners for E6, including E6AP, ERC55, paxillin, hDlg, p300, interferon regulatory factor 3, hMCM7, Bak, and E6TP1. Notably, association with E6 targets p53, E6TP1, myc, hMCM7, and Bak for degradation. However, the relative importance of the various E6 targets in cellular transformation remains unclear. E6 alone can dominantly immortalize normal human mammary epithelial cells (MECs), permitting an assessment of the importance of various E6 targets in cellular transformation. Studies in this system indicate that E6-induced degradation of p53 and E6 binding to ERC55 or hDlg do not correlate with efficient immortalization. Here, we have examined the role of E6TP1, a Rap GTPase-activating protein, in E6-induced immortalization of MECs. We tested a large set of human papillomavirus type 16 E6 mutants for their ability to bind and target E6TP1 for degradation in vitro and in vivo. We observed a strict correlation between the ability of E6 protein to target E6TP1 for degradation and its ability to immortalize MECs. Recent studies have identified telomerase as a target of E6 protein. Previous analyses of E6 mutants have revealed this trait to closely correlate with MEC immortalization. We examined our entire panel of E6 mutants for rapid induction of telomerase activity and found in general a strong correlation with immortalizing ability. The tight correlation between E6TP1 degradation and MEC immortalization strongly supports a critical role of functional inactivation of E6TP1 in E6-induced cellular immortalization.





1992 ◽  
Vol 13 (7) ◽  
pp. 1137-1141 ◽  
Author(s):  
Katherine K. Sanford ◽  
Floyd M. Price ◽  
Johng S. Rhim ◽  
Martha R. Stampfer ◽  
Ram Parshad


2010 ◽  
Vol 34 (8) ◽  
pp. S7-S7
Author(s):  
Nan Zhang ◽  
Jian Che ◽  
Zheng Wu ◽  
Yang Wang ◽  
Liwei Liu ◽  
...  


Sign in / Sign up

Export Citation Format

Share Document