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Blocking molecular pathway with whimsical name possible therapeutic target for pancreatic cancer
Date:12/14/2008

l treatment in pancreatic cancer in human patients," Tang says, referring to the SIAH inhibition.

SINA produces a family of RING domain E3 ubiquitin ligases. In all creatures, ubiquitin ligases turn cell pathways on or off by degrading proteins.

In humans, the SIAH ubiquitin ligases sit smack in the middle of the molecular pathway that leads to pancreatic cancer, Tang explains.

The Tang lab found that SIAH ubiquitin ligases were specifically and markedly "upregulated" in pancreatic cancers.

The increased SIAH expression seemed to correlate with increased grades and aggressiveness of pancreatic cancer. Moreover, SIAH is normally required for mammalian K-RAS signal transduction.


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Contact: Cathy Yarbrough
sciencematter@yahoo.com
858-243-1814
American Society for Cell Biology
Source:Eurekalert

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