Related topics: cancer , cancer cells , cells , breast cancer , brain tumors



Tumor

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A tumor or tumour is the name for a swelling or lesion formed by an abnormal growth of cells (termed neoplastic). Tumor is not synonymous with cancer. A tumor can be benign, pre-malignant or malignant, whereas cancer is by definition malignant.

For more information about Tumor, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.


News tagged with tumor cells

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'Self-seeding' of cancer cells may play a critical role in tumor progression

Medicine & Health / Cancer

created Dec 24, 2009 | popularity not rated yet | comments 0

Cancer progression is commonly thought of as a process involving the growth of a primary tumor followed by metastasis, in which cancer cells leave the primary tumor and spread to distant organs. A new study by researchers ...


Protein link may be key to new treatment for aggressive brain tumor

Protein link may be key to new treatment for aggressive brain tumor

Medicine & Health / Cancer

created Dec 22, 2009 | popularity 5 / 5 (1) | comments 0

Biomedical researchers at the University of Central Florida have found a protein that could hold the key to treating one of the most common and aggressive brain tumors in adults.


Metastasis formation revealed in detail and real time

Medicine & Health / Cancer

created Dec 20, 2009 | popularity 4.7 / 5 (3) | comments 0

Up to 25% of cancer patients develop metastases in the brain - often long after successful treatment of the primary tumor. In almost all such cases, the prognosis is poor. The mechanisms responsible for the appearance of ...


Scientists use DNA sequencing to attack lung cancer

Medicine & Health / Cancer

created Dec 16, 2009 | popularity 5 / 5 (1) | comments 0

Aided by next-generation DNA sequencing technology, an international team of researchers has gained insights into how more than 60 carcinogens associated with cigarette smoke bind to and chemically modify human DNA, ultimately ...


Nanoprobes hit targets in tumors, could lessen chemo side effects

Nanotechnology / Bio & Medicine

created Dec 14, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- Tiny nanoprobes have shown to be effective in delivering cancer drugs more directly to tumor cells - mitigating the damage to nearby healthy cells - and Purdue University research has shown that the nanoprobes ...


Scientists find way to catalog all that goes wrong in a cancer cell

Medicine & Health / Cancer

created Dec 10, 2009 | popularity 4.7 / 5 (3) | comments 0

(PhysOrg.com) -- A team of Princeton University scientists has produced a systematic listing of the ways a particular cancerous cell has "gone wrong," giving researchers a powerful tool that eventually could make possible ...


Combining nanotubes and antibodies for breast cancer 'search and destroy' missions

Combining nanotubes and antibodies for breast cancer 'search and destroy' missions

Medicine & Health / Cancer

created Dec 02, 2009 | popularity 5 / 5 (1) | comments 0

cylinders of carbon about a nanometer in diameter -- have been highly touted for potential applications such as ultrastrong fibers, electrical wires in molecular devices, or hydrogen storage components for ...


Discovery makes brain tumor cells more responsive to radiation

Medicine & Health / Cancer

created Dec 02, 2009 | popularity 5 / 5 (2) | comments 0

Duke University Medical Center researchers have figured out how stem cells in the malignant brain cancer glioma may be better able to resist radiation therapy. And using a drug to block a particular signaling pathway in these ...


Crosstalk between critical cell-signaling pathways holds clues to tumor invasion and metastasis

Medicine & Health / Cancer

created Nov 25, 2009 | popularity not rated yet | comments 0

Two signaling pathways essential to normal human development - the Wnt/Wingless (Wnt) and epidermal growth factor receptor (EGFR) pathways - interact in ways that can promote tumor cell invasion and metastasis, researchers ...


Researchers create 'fly paper' to capture circulating cancer cells

Researchers create 'fly paper' to capture circulating cancer cells

Chemistry / Biochemistry

created Nov 18, 2009 | popularity 4 / 5 (5) | comments 1

Just as fly paper captures insects, an innovative new device with nano-sized features developed by researchers at UCLA is able to grab cancer cells in the blood that have broken off from a tumor.


Cancers' sweet tooth may be weakness

Medicine & Health / Cancer

created Nov 18, 2009 | popularity 5 / 5 (4) | comments 0

The pedal-to-the-metal signals driving the growth of several types of cancer cells lead to a common switch governing the use of glucose, researchers at Winship Cancer Institute of Emory University have discovered.


How cells tolerate DNA damage -- start signal for cell survival program identified

Biology / Cell & Microbiology

created Nov 16, 2009 | popularity not rated yet | comments 0

Cancer researchers of the Max Delbrück Center for Molecular Medicine (MDC) Berlin-Buch, Germany, have gained new insights into how cells react to DNA damage. Dr. Michael Stilmann, Dr. Michael Hinz and Professor Claus Scheidereit ...


'Cross-talk' mechanism contributes to colorectal cancer

Medicine & Health / Cancer

created Nov 13, 2009 | popularity 5 / 5 (1) | comments 0

Researchers at the University of Wisconsin-Madison School of Medicine and Public Health have identified a molecular mechanism that allows two powerful signaling pathways to interact and begin a process leading to colorectal ...


Study shows that some malignant tumors can be shut down after all

Biology / Cell & Microbiology

created Nov 09, 2009 | popularity 5 / 5 (8) | comments 1

Oncologists have had their hands tied because more than half of all human cancers have mutations that disable a protein called p53. As a critical anti-cancer watchdog, p53 masterminds several cancer-fighting operations within ...


Study provides insights into the molecular basis of tumor cell behavior

Medicine & Health / Cancer

created Nov 05, 2009 | popularity 4 / 5 (1) | comments 0

A new study by a team of researchers led by Crislyn D'Souza-Schorey, associate professor of biological sciences at the University of Notre Dame, sheds light on the molecular basis by which tumor cells modulate their surroundings ...