cancerous tumors

(MedPage Today) -- A protein and antibiotic cocktail to combat radiation poisoning, a spray to identify cancerous tumors, making mechanical valves more realistic, and more in this week's Lab Notes.

(University of Southampton) Scientists at the University of Southampton have developed smart nanomaterials, which can disrupt the blood supply to cancerous tumors.

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(Cold Spring Harbor Laboratory) A new method of analyzing cancerous tumors developed by scientists at Cold Spring Harbor Laboratory (CSHL) suggests that tumors may not evolve gradually, but rather in punctuated or staccato-like bursts.

It is a finding that has already shed new light on the process of tumor growth and metastasis, and may help in the development of new methods to clinically evaluate tumors

(DOE/Lawrence Berkeley National Laboratory) Berkeley Lab scientists have developed a probe for monitoring hydrogen peroxide levels in mice that enables them to track the progression of cancerous tumors or infectious diseases without harming the animals or even having to shave their fur.

This new probe is based on luciferase, the enzyme that gives fireflies their glow.

(Queen's University Belfast) A breakthrough by scientists at Queen's University Belfast could help reduce heart failure in cancer patients around the world, and ultimately increase survival rates.

Scientists at Queen's Centre for Vision and Vascular Science have discovered the role of an enzyme which, when a patient receives chemotherapy, can cause life-threatening damage to the heart.

This has, until now, restricted the amount of chemotherapy doses a patient can receive, thereby diluting the chemotherapy's effectiveness in destroying cancerous tumors.

(Ecole Polytechnique Fédérale de Lausanne) Researchers at the Ecole Polytechnique Federale de Lausanne in Switzerland have established a procedure where cancerous tumors in the bladder become fluorescent and are more easily discoverable under blue light.

The FDA recently approved the technique for the American market.

(National Institute for Mathematical and Biological Synthesis (NIMBioS)) With high human mortality associated with cancerous tumors, there is a worldwide need for a better understanding of why a tumor starts to grow and what makes it continue to grow.

Mathematical modeling can provide some of the answers.The National Institute for Mathematical and Biological Synthesis is now accepting applications for its Investigative Workshop: Solid Tumor Modeling to be held Jan. 19-21, 2011, at NIMBioS on the University of Tennessee, Knoxville, campus.

(University of Michigan) The growth of cancerous tumors is fueled, at least in part, by the buildup of free radicals -- highly reactive oxygen-containing molecules.