Navigation Links
Research identifies a way to make cancer cells more responsive to chemotherapy
Date:5/23/2013

Breast cancer characterized as "triple negative" carries a poor prognosis, with limited treatment options. In some cases, chemotherapy doesn't kill the cancer cells the way it's supposed to. New research from Western University explains why some cancer cells don't respond to chemotherapy, and identifies a mechanism to rectify that.

Dr. Shawn Li, PhD, and his team at Western's Schulich School of Medicine & Dentistry, identified that a protein called Numb functions to promote the death of cancer cells by binding to and stabilizing a tumor suppressor protein called p53 -a master regulator of cell death. The scientists found when Numb is reduced or methylated by an enzyme called Set8, it will no longer protect p53. The research is published in the May 23rd issue of Molecular Cell. A related research paper on the role of chemotherapeutic agents on regulating protein methylation, also from the Li lab, will be published in the June 7th issue of Molecular Cell, and is now online.

"If you don't have Numb in a cell, then the p53 can be degraded very quickly, and these cells become resistant to chemotherapy," explains Li, a professor of Biochemistry and Canada Research Chair in Cellular Proteomics and Functional Genomics. "So if we can prevent Numb from being methylated in cancer cells, then we will have the means to sensitize the cell to chemotherapy."

Now that he's identified the Set8-Numb-p53 pathway, Li is investigating various drugs to find a Set8 inhibitor which could be used as a novel breast cancer therapy alone, or in combination with other chemotherapy regiments.


'/>"/>

Contact: Kathy Wallis
kwallis3@uwo.ca
519-661-2111
University of Western Ontario
Source:Eurekalert

Page: 1

Related medicine news :

1. Six Investigators Awarded Lyme Research Alliance Grants
2. Health2Go Announces Research That DHEA Helps Depression
3. Stryker Hip Lawsuit News: Bernstein Liebhard LLP Comments on Research Linking Femoral Stem Corrosion at Modular-Neck Junction with Local Soft Tissue Destruction
4. Researchers find common childhood asthma unconnected to allergens or inflammation
5. Researchers identify networks of neurons in the brain that are disrupted in psychiatric disease
6. U.S. Specialty Films Market Worth $8 Billion & Packaging Drives Industry by 2017 Says New Research Report at ReportsnReports.com
7. PhD Box Unveils Proposal Writing Services for Research Scholars
8. MarketResearch.com Report – Increased Cost of Albumin was Main Factor for Double-Digit Growth of Global Critical Care Market Between 2006 and 2012
9. HR Strategies Raises Over $6,300 for Cancer Research via Relay For Life
10. Fish Oil Pills Might Cut Diabetes Risk, Researchers Say
11. Alleviating hunger in the US -- researcher says, its a SNAP
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:12/9/2016)... - Cincinnati, Ohio (PRWEB) , ... December 09, ... ... the production of miniature, folded, pharmaceutical inserts and outserts. As a means ... Device. This addition will enable Flottman to individually code professional inserts (PIs) ...
(Date:12/9/2016)... ... December 09, 2016 , ... An inventor from Cana, Va., wanted to fulfill ... of amusement park rides. , The patent-pending SAFETY STRAP FOR AMPUTEES improves accessibility. It ... could be set up in a matter of minutes, or even seconds. The SAFETY ...
(Date:12/9/2016)... , ... December 09, 2016 , ... "I had a ... inventor from Winchester, Va. "I thought that if the nebulizer had a more child-friendly ... than fearing them." , He developed the patent-pending NEBY to avoid the need to ...
(Date:12/8/2016)... , ... December 08, 2016 , ... ... Research Institute (WCRI) officially opened registration today for its 33rd Annual Issues ... Boston, MA . , The theme of the conference is “Persistent Challenges and ...
(Date:12/8/2016)... ... December 08, 2016 , ... ... Management (MTM), adherence, and other pharmacist-delivered patient care services, has announced the promotions ... Eric Hoessel to vice president of sales. , Litsinger joined Mirixa in ...
Breaking Medicine News(10 mins):
(Date:12/9/2016)... , Dec. 9, 2016  RxWiki Inc., a digital ... digital marketing strategies of thousands of pharmacies through its ... Austin Inno,s "50 on Fire" Award in ... "We,re pleased to accept the award as one of ... Chief Executive Officer at RxWiki. "Our platform gives independent ...
(Date:12/8/2016)... , Dec. 8, 2016 IRIDEX Corporation (NASDAQ: ... newly issued shares of common stock, $0.01 par value (the ... underwritten public offering.  The final terms of the Offering will ... pricing, and there can be no assurance as to whether ... expects to use the net proceeds it will receive from ...
(Date:12/8/2016)... , Dec. 8, 2016 Global Interventional ... on the global interventional radiology market analyzes the ... report comprises an elaborate executive summary, including a ... segments and sub-segments. The research is a ... formed the bulk of our research efforts along ...
Breaking Medicine Technology: