Featured Research

from universities, journals, and other organizations

Researchers identify a potential therapeutic target for brain cancer

Date:
February 23, 2010
Source:
Public Library of Science
Summary:
Researchers report the identification of a protein that is highly expressed in a subgroup of glioblastoma brain tumor cells and show that depletion of this protein increases the survival of mice with these tumors.

Researchers at the Cleveland Clinic report the identification of a protein that is highly expressed in a subgroup of glioblastoma brain tumor cells and show that depletion of this protein increases the survival of mice with these tumors. This work will be published in the online open-access journal PLoS Biology.

Related Articles


Recent studies have increased our understanding of cancer by elucidating some of the differences that exist between tumor cells among patients and even between distinct subsets of tumor cells within the same patient. Evidence suggests there are subgroups of cells -- called cancer stem cells or tumor initiating cells -- within tumors that are harder to kill with current therapies than other cells within these tumors. Cancer stem cells may in fact be more important to destroy than non-cancer stem cells because they may be responsible for metastasis and for tumor recurrence after therapy. Identifying therapies which specifically target cancer stem cells therefore hold great promise for effective and lasting treatment.

In this study, Dr. Hjelmeland and colleagues determine that a protein called A20, that has been previously implicated in cell survival, is highly expressed in a population of cells that is enriched for glioblastoma stem cells. They demonstrate that decreasing levels of A20 in these cells reduces their growth in cell culture by inducing cell death. Decreasing A20 levels in animal models of brain tumors also increases survival. Using publicly available datasets from human brain tumor specimens, they also determine that increased levels of A20 are associated with poor patient survival. Together, these studies suggest that targeting A20 could be beneficial for human glioblastoma patients.

Although there continues to be controversy over the cancer stem cell concept, Dr. Hjelmeland believes that "Everyone recognizes the need to identify new cancer targets, and this may be achieved by studying subgroups of tumor cells. Using this technique, we identified A20 as an important target. However, we still have a lot of work to do before translation for patient therapies."


Story Source:

The above story is based on materials provided by Public Library of Science. Note: Materials may be edited for content and length.


Journal Reference:

  1. Hjelmeland AB, Wu Q, Wickman S, Eyler C, Heddleston J, et al. Targeting A20 Decreases Glioma Stem Cell Survival and Tumor Growth. PLoS Biology, 2010; 8 (2): e1000319 DOI: 10.1371/journal.pbio.1000319

Cite This Page:

Public Library of Science. "Researchers identify a potential therapeutic target for brain cancer." ScienceDaily. ScienceDaily, 23 February 2010. <www.sciencedaily.com/releases/2010/02/100222200851.htm>.
Public Library of Science. (2010, February 23). Researchers identify a potential therapeutic target for brain cancer. ScienceDaily. Retrieved November 26, 2014 from www.sciencedaily.com/releases/2010/02/100222200851.htm
Public Library of Science. "Researchers identify a potential therapeutic target for brain cancer." ScienceDaily. www.sciencedaily.com/releases/2010/02/100222200851.htm (accessed November 26, 2014).

Share This


More From ScienceDaily



More Health & Medicine News

Wednesday, November 26, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

From Popcorn To Vending Snacks: FDA Ups Calorie Count Rules

From Popcorn To Vending Snacks: FDA Ups Calorie Count Rules

Newsy (Nov. 25, 2014) — The US FDA is announcing new calorie rules on Tuesday that will require everywhere from theaters to vending machines to include calorie counts. Video provided by Newsy
Powered by NewsLook.com
Daily Serving Of Yogurt Could Reduce Risk Of Type 2 Diabetes

Daily Serving Of Yogurt Could Reduce Risk Of Type 2 Diabetes

Newsy (Nov. 25, 2014) — Need another reason to eat yogurt every day? Researchers now say it could reduce a person's risk of developing type 2 diabetes. Video provided by Newsy
Powered by NewsLook.com
Madagascar Working to Contain Plague Outbreak

Madagascar Working to Contain Plague Outbreak

AFP (Nov. 24, 2014) — Madagascar said Monday it is trying to contain an outbreak of plague -- similar to the Black Death that swept Medieval Europe -- that has killed 40 people and is spreading to the capital Antananarivo. Duration: 00:42 Video provided by AFP
Powered by NewsLook.com
Are Female Bosses More Likely To Be Depressed?

Are Female Bosses More Likely To Be Depressed?

Newsy (Nov. 24, 2014) — A new study links greater authority with increased depressive symptoms among women in the workplace. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
 
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:  

Breaking News:

Strange & Offbeat Stories

 

Health & Medicine

Mind & Brain

Living & Well

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:  

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile iPhone Android Web
Follow Facebook Twitter Google+
Subscribe RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins