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.
Mar 01, 2011 |
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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
Aug 28, 2009 |
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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
Mar 12, 2010 |
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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
Mar 28, 2012 |
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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 ...
Jan 13, 2010 |
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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
Nov 25, 2010 |
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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
Feb 23, 2011 |
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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 ...
Apr 21, 2011 |
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Magnetic Nanoparticles Remove Ovarian Cancer Cells from the Abdominal Cavity
A major complicating factor in the treatment of ovarian cancer is that malignant cells are often shed into the patient’s abdominal cavity. These cells can then spread to other tissues, seeding new tumors that make effective ...
Nanotechnology / Bio & Medicine
Jul 18, 2010 |
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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 ...
Jan 07, 2011 |
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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 ...
Sep 28, 2010 |
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Dual-Purpose Nanoparticles Spot Residual Tumors, Improves Cancer Surgery
(PhysOrg.com) -- The surest cure for cancer is to remove every last bit of a tumor through surgery. Unfortunately, for most cancers that is also the most difficult approach because of two problems: it is nearly impossible ...
Nanotechnology / Bio & Medicine
Mar 24, 2010 |
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Titanium Dioxide Nanoparticles Catalyze Brain Tumor Death
(PhysOrg.com) -- Scientists from the U.S. Department of Energy’s (DOE) Argonne National Laboratory and the University of Chicago Medical Center’s Brain Tumor Center have developed a way to target brain cancer cells using ...
Nanotechnology / Bio & Medicine
Sep 24, 2009 |
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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 ...
Sep 02, 2010 |
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A Viral Cause of Prostate Cancer?
(PhysOrg.com) -- In a finding with potentially major implications for identifying a viral cause of prostate cancer, researchers at the University of Utah and Columbia University medical schools have reported ...
Sep 07, 2009 |
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