News tagged with malignant tumor

Cause of skin cancer that heals itself found

(PhysOrg.com) -- An international team of scientists has identified the key gene causing a rare type of skin cancer that grows rapidly for a few weeks or months but then heals itself.

Medicine & Health / Genetics

created Mar 01, 2011 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast report

Researchers identify a molecular switch that controls neuronal migration in the developing brain

St. Jude Children's Research Hospital investigators have identified key components of a signaling pathway that controls the departure of neurons from the brain niche where they form and allows these cells ...

Medicine & Health / Neuroscience

created Nov 25, 2010 | popularity 3.7 / 5 (3) | comments 0 | with audio podcast

A golden bullet for cancer: Nanoparticles provide a targeted version of photothermal therapy for cancer

In a lecture he delivered in 1906, the German physician Paul Ehrlich coined the term Zuberkugel, or "magic bullet," as shorthand for a highly targeted medical treatment.

Nanotechnology / Bio & Medicine

created Mar 12, 2010 | popularity 4.5 / 5 (13) | comments 0 | with audio podcast

Stress triggers tumor formation, researchers find

Stress induces signals that cause cells to develop into tumors, Yale researchers have discovered. The research, published online Jan. 13 in the journal Nature, describes a novel way cancer takes hold in the body and sugges ...

Medicine & Health / Cancer

created Jan 13, 2010 | popularity 4.9 / 5 (10) | comments 0 | with audio podcast

Tumors Feel the Deadly Sting of Nanobees

When bees sting, they pump into their victims a peptide toxin called melittin that destroys cell membranes. Now, by encapsulating this extremely potent molecule within a nanoparticle, researchers at the Washington University ...

Nanotechnology / Bio & Medicine

created Aug 28, 2009 | popularity 4.8 / 5 (13) | comments 3

Researchers create molecular Braille to identify DNA molecules

Researchers at UCLA and New York University have developed a method to detect sequence differences in individual DNA molecules by taking nanoscopic pictures of the molecules themselves.

Nanotechnology / Bio & Medicine

created Mar 28, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

A new ending to an old 'tail'

In stark contrast to normal cells, which only divide a finite number of times before they enter into a permanent state of growth arrest or simply die, cancer cells never cease to proliferate. Now, scientists ...

Medicine & Health / Cancer

created Apr 21, 2011 | popularity 4.7 / 5 (3) | comments 0 | with audio podcast

Enabling nanoparticles to penetrate deeply in tumors

Too often, researchers designing nanoparticles capable of delivering effective doses of anticancer agents to tumors must balance the need to choose a nanoparticle that is small enough to escape the leaky blood vessels that ...

Nanotechnology / Bio & Medicine

created Feb 23, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

MicroRNA-TP53 circuit connected to chronic lymphocytic leukemia

The interplay between a major tumor-suppressing gene, a truncated chromosome and two sets of microRNAs provides a molecular basis for explaining the less aggressive form of chronic lymphocytic leukemia, an international team ...

Medicine & Health / Cancer

created Jan 07, 2011 | popularity not rated yet | comments 0 | with audio podcast

Mechanism that controls cell movement linked to tumors becoming more aggressive

Researchers at the University of Georgia have discovered a central switch that controls whether cells move or remain stationary. The misregulation of this switch may play a role in the increased movement of tumor cells and ...

Biology / Cell & Microbiology

created Dec 07, 2010 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Restoring the gene for cancer protein p53 slows spread of advanced tumors

(PhysOrg.com) -- In a new study to be published in the Nov. 25 issue of Nature, MIT cancer biologists show that restoring the protein p53's function in mice with lung cancer has no effect early in tumor develo ...

Medicine & Health / Cancer

created Nov 24, 2010 | popularity not rated yet | comments 1 | with audio podcast

More evidence that melanoma does not conform to the cancer stem cell model

ANN ARBOR, Mich---University of Michigan researchers have determined that most types of melanoma cells can form malignant tumors, providing new evidence that the deadliest form of skin cancer does not conform to the increasingly ...

Medicine & Health / Cancer

created Nov 15, 2010 | popularity not rated yet | comments 0 | with audio podcast

Discovery blocks cancer drug's toxic side effect

A debilitating side effect of a widely used but harshly potent treatment for colon cancer could be eliminated if a promising new laboratory discovery bears fruit.

Medicine & Health / Cancer

created Nov 04, 2010 | popularity 4 / 5 (4) | comments 0 | with audio podcast

Individual mutations are very slow to promote tumor growth

(PhysOrg.com) -- Individual cancer-causing mutations have a minute effect on tumor growth, increasing the rate of cell division by just 0.4 percent on average, according to new mathematical modeling by scientists ...

Medicine & Health / Cancer

created Sep 28, 2010 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Scientists discover the mechanisms and function of a type of mysterious immune cell

In two closely related studies, two teams of Scripps Research Institute scientists have discovered the underlying mechanisms that activate a type of immune cell in the skin and other organs. The findings may lead to the development ...

Biology / Cell & Microbiology

created Sep 02, 2010 | popularity 4.7 / 5 (3) | comments 0 | with audio podcast