Biologists at Tufts University discover 1 reason why chromosomes break, often leading to cancer
...ich and Zhang used yeast artificial chromosomes to test this idea because it allowed them to look at the r...a cancer cell breakpoint and a control region, and test whether any of these regions could cause breakage of a yeast chromosome," Freudenreich said. "We fou...Orangutans' communication resembles a game of 'charades'
...d item had to be reached with human help. But to test the orangutans strategy, the researchers provided a catch. Rather than play along all the time, the experimenter sometimes purposefully misunderstood the orangutans requests. In some cases, they provided only half of the delicious treat; in others, t...Synchrotron could help save the Tassie devil
...tent change, it could lead to the development of a test which will allow detection of the cancer before th...the world where it is available. If a diagnostic test for the facial tumour disease using the synchrotron does look possible, only having a machine nearby...U-M researchers find family of 'on switches' that cause prostate cancer
... or replace the prostate specific antigen, or PSA, test currently used to screen for prostate cancer. Th...of translating laboratory research findings into a test or treatment that will impact patients is central to the new Michigan Center for Translational Patho......alia. "Their early adoption of a newly developed test should ensure this disease is effectively managed,...EMAI) at Camden in 2006, they then developed a DNA test to screen individual sheep for the defective gene. They developed the test in mid-2006 at the requ...Testing the force of a shark's bite
...are building a three dimensional computer model to test the bite force of the Great White shark using data... DPI shark scientist, Denis Reid, sharks generally test bite before applying a full-force bite. "The test bite has much less force", he said. The approa...Scientists move closer to bio-engineered bladders
... should soon be able to use the research models to test therapies for the bladder, but the longer term aim for this research is to help patients who have lost bladder function or have had all or part of their bladder removed because of cancer. Research leader, Professor Jenny Southgate, explains: "The ...American Chemical Society's Weekly PressPac -- July 25, 2007
...ited States are reporting development of the first test to detect a potential biomarker for human exposure... wild and farmed fish, the report notes. The new test is based on differences in composition of the fatty components found in farmed and wild fish. The di...Military to study better pain relief in battle zones
...m the Defense Advanced Research Projects Agency to test whether nanoparticles can solve a pressing problem...the grant to design multipurpose nanoparticles and test how well they perform several tasks under simulated physiological conditions in the laboratory. Ulti...MIT model could predict cells' response to drugs
...heir research. In addition, the model could help test the effectiveness of drugs for a wide range of dis...hat drug companies could use this kind of model to test the effects of drugs that inhibit some step in a particular pathway....Caffeine and exercise can team up to prevent skin cancer
...se exposed skin is vulnerable to the sun, were the test subjects in experiments in which one set drank caffeinated water (the human equivalent of one or two cups of coffee a day); another voluntarily exercised on a running wheel; while a third group both drank and ran. A fourth group, which served as a co...Using stem cells to help heart attack victims
...aim is to reduce such occurrences by having better test methods to test the drugs before they reach the clinic. "By studying the drugs' effects on the heart cells in the ...System to analyze beating heart stem cells could lead to heart attack treatments
...aim is to reduce such occurrences by having better test methods to test the drugs before they reach the clinic. By studying the drugs effects on the heart cells in the la...Isoprene emission from plants -- a volatile answer to heat stress
...roduce their own food), against thermal stress. To test this hypothesis, scientists Katja Behnke and Jrg-P...loroplasts, and future long-term field trials will test whether the isoprene effect represents a positive adaptive trait for isoprene-producing species....Report recommends off-site disposal of secondary waste
...he submission of data from previous trial burns -- test runs required to prove the effectiveness of incinerators in destroying certain agents -- in lieu of new trial burns should be used to the fullest extent possible. "The Army's incinerators are destroying the United States' stockpiled chemical weapo...U-M team identifies gene that regulates blood-forming fetal stem cells
...cells but not adult hematopoietic stem cells. To test whether Sox17 was functionally important for fetal and neonatal blood-forming stem cells, the researchers deleted the Sox17 gene in laboratory mice. This led to the loss of fetal and neonatal, but not adult, hematopoietic stem cells. In follow-up e...MicroRNA works with Ago2 protein to regulate blood cell development
...arly development of blood cells. To specifically test the importance of Ago2s slicer activity, OCarroll then genetically reconstituted the Ago2-deficient stem cells with either wild type Ago2 or a modified version of it that rendered the slicer activity inactive. A few weeks later, both conditions the ...UCLA study links air pollution to clogged arteries
... Once a biomarker is developed, wed simply need to test a blood sample in order to measure a persons exposure to particulate matter and determine whether it has reached levels that require medical intervention, Araujo said. The American Cancer Society has reported a 6 percent increase in heart- and lun...Prenatal alcohol exposure alters brain activity in the frontal-striatal areas
...a response inhibition (go/no-go) task, designed to test their ability to inhibit or curb a previously encouraged response. "We found two regions within the prefrontal cortex where the youth with alcohol-exposure histories had increased brain activation and one area in the subcortex (called the caudate n...