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Tag: "that" at biology news

U-M scientists find genes that control growth of common skin cancer

...the National Cancer Institute haveidentified genes that promote the growth and recurrence of skin cancer.A...rm of cancer ?anduncovered a subset of tumor cells that were resistant to inhibition ofthe Hedgehog pathway. The new finding has important implications fort...

Weill Cornell Research Reveals Secrets Of Trafficking Within Cells

... your heart and arteries work just as hard to keep that brain alive. Every one of these cells -- and other... give us insights into the kinds of disease states that can happen when clathrin-regulated endocytosis goes wrong. The findings, already published online, ...

Experiments provide proof of how traveling in groups protects insects

... thousands of wildebeests and other hoofed mammals that form herds and migrate across the African plains. ... own kind and form teeming, hungry islands of life that devour everything in their path that's edible. Some spectacular marching packs stretch several miles...

New Study from Affymetrix Laboratories Points to Changing View of How Genome Works

...q: AFFX) reported today in Science magazine online that they have completed a high-resolution scan of stru...e, on average, of 10 human chromosomes; they found that thousands of regions of the genome are transcribed into overlapping RNA sequences and those sequence...

First-ever Compounds To Target Only Metastatic Cells Are Highly Effective Against Breast, Prostate, And Colon Cancers

Two compounds that zero in on cancer cells spreading throughout the b...t among researchers." If compounds could be found that slowed or halted cancer spread, doctors could gain valuable time in shrinking the primary tumor. "If...

Discovery of key protein's shape could lead to improved bacterial pneumonia vaccine

.... Jude Children's ResearchHospital have discovered that the shape of a protein on the surface ofpneumonia ...BO Journal, could helpscientists develop a vaccine that is significantly more effective atprotecting children against the disease. The St. Jude researchersd...

Critical role in programmed cell death identified

...l cell processes, also appear to release molecules that set the cell death program in motion. While their ... is conserved from worms to humans. "Now it seems that there is really one way of killing cells and it involves these mitochondria. Using genetics, we coul...

Study: Soap And Water Work Best In Ridding Hands Of Disease Viruses

...g the effectiveness of hand hygiene products shows that nothing works better in getting rid of disease-cau...apy hand washing flushes down the drain is the one that causes the common cold. Other removable viruses cause hepatitis A, acute gastroenteritis and a host ...

New comparative toxicogenomics database

.... Jude Children's ResearchHospital have discovered that the shape of a protein on the surface ofpneumonia ...BO Journal, could helpscientists develop a vaccine that is significantly more effective atprotecting children against the disease. The St. Jude researchersd...

Taking Aim With Nanoparticle PEBBLEs

...if., March 17, Kopelman will describe the research that he and his collaborators have been doing over the ...d by exposure to light. Unlike chemotherapy drugs that attack tumors by invading cancer cells and disrupting their DNA, PEBBLEs never enter the cells they ...

ASU researchers finds novel chemistry at work to provide parrot's vibrant red colors

.... For more than a century, biochemists have known that parrots use an unusual set of pigments to produce ... or yellow coloration, but McGraw and Nogare found that these compounds are not responsible for the red colors found in the parrot species they sampled. Th...

Elephants imitate truck noises, other animals

Elephants learn to imitate sounds that are not typical of their species, the first known ...orted in today's Nature, further supports the idea that vocal learning is important for maintaining individual social relationships among animals that separ...

Genetically modified natural killer immune cells attack, kill leukemia cells

...ically modified to brandish a powerful "on-switch" that prompts them to aggressively attack and kill leuke...ated how to overcome significant technical hurdles that have until now slowed development of NK-based therapies for ALL, according to Dario Campana, M.D., P...

UCSD researchers maintain stem cells without contaminated animal feeder layers

...5 issue of the journal Stem Cells, the study shows that laboratory culture media enriched by a human prote...rished in petri dish material called feeder layers that are made with animal connective tissue, primarily mouse and calf. A recent study in Nature Medicine*...

Transport System Smuggles Medicines Into Brain

.... For more than a century, biochemists have known that parrots use an unusual set of pigments to produce ... or yellow coloration, but McGraw and Nogare found that these compounds are not responsible for the red colors found in the parrot species they sampled. Th...

Scientists develop new color-coded test for protein folding

...--is folded into a unique, three-dimensional shape that allows it to function properly. Now Stanford University scientists have developed a simple test that instantly changes color when a protein molecule attached to a gold nanoparticle folds or unfolds. Th...

Placenta Is A Rich Source Of Blood Stem Cells

...embryo itself, but also in the placenta, the organ that nurtures the baby in utero. Meticulous experiments in mice revealed that the placenta harbors a large supply of hematopoietic (blood-forming) stem cells. These cells, which ...

Probing The Promise And Perils Of Nanoparticles

...toxic. In earlier work, U-M researchers discovered that dendrimers punch nanoscale holes in cell membranes...see if they behaved like dendrimers. "It turns out that they cause the same permeability and, in general, they cause membrane destruction as well," said Ban...

Open microfluidic and nanofluidic systems

...iversity of California in Santa Barbara have shown that such open systems are possible in general but only...iquid; and they should be accessible in such a way that one can add and extract liquid in a convenient manner. An appealing design principle for such micro...

Nanogen Issued Patent for Electronic Microarray With Memory

...r of advanced diagnostic products, announced today that it was issued U.S. Patent No. 6,867,048, "Multiple...evelop differentiated advanced diagnostic products that add value to the company and to research and clinical laboratory customers," said Howard C. Birndorf...

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