Biologists at Tufts University discover 1 reason why chromosomes break, often leading to cancer
...ure but is prone to breaking. The site lies in the middle of a tumor suppressor gene and chromosome breakage in this area is highly associated with cancer. "It is an area that has a tumor suppressor gene a gene whose absence can cause tumors," explained Freudenreich. "If you delete that gene or delete pa...Study points to new way to predict death risk from torn aorta
...runs alongside the true lumen, which is the hollow middle area of the aorta that acts as the pipeline for blood to flow out of the heart and down through the abdomen. As blood enters the false lumen from the top of the tear in the aorta, it gets trapped inside the new channel. Often, small openings at th...Rise of dinosaurs in Late Triassic more gradual than once thought
...ture related to a 235 million-year-old Argentinian middle Triassic precursor called Lagerpeton (LAG err peh ...inosaur precursors, on the other hand, come from a middle latitude site in Pangea. This could indicate a geographic variation in survival of dinosaur precurso...Exercise, exercise, rest, repeat -- how a break can help your workout
...thesda, Md. (July 18, 2007) Taking a break in the middle of your workout may metabolize more fat than exercising without stopping, according to a recent study in Japan. Researchers conducted the first known study to compare these two exercise methodsexercising continually in one long bout versus breaking ...UCLA researchers show that culture influences brain cells
...ther for shame on you. The infamous and ubiquitous middle finger salute forwell, you know. Such gestures that convey meaning without speech are used and recognized by nearly everyone in our society, but to someone from a foreign country, they may be incomprehensible. The opposite is true as well. Plop a...Bull's-eye -- Programs targeting math, science teacher shortage may get boost
...matics education. After 10 years teaching math in middle and high school, she joined UH 15 years ago. W...Next fall, students will be assigned a mentor in a middle school and one in high school the following semester. In the fourth semester, students will choose ......uthern part of Greenland, the GRIP drilling in the middle of the Greenlandic ice sheet, and for the third co...base layer sample from the GRIP drilling, from the middle of the Greenlandic ice sheet, there were no DNA remains at all- not from plants, mammals or insects....News tips from the Journal of Neuroscience
...pretreated with LPS had reduced infarct size after middle cerebral artery occlusion and showed improved cerebral blood flow in spared regions. This protection required nitric oxide (NO) produced by inducible NO synthase (iNOS) and superoxide produced by NADPH oxidase (nox2). Peroxynitrite, the product of a ...'Sundried tide' -- silent, natural disaster
...ny said. "In years where this occurs during the middle of the day when the sunlight is at its most intense and the reefs are almost fully exposed, there is a real risk of severe coral stress and death in the shallow reef zone." Just like cyclones and other natural disasters, these severe sun-dry tides...New genetic test developed at Emory advances detection and diagnosis of muscular dystrophy
...cy or childhood, while others may not appear until middle age or later.Duchenne muscular dystrophy (DMD) is the most common form of muscular dystrophy and primarily affects boys. It is caused by absence of dystrophin, an important muscle protein involved in maintaining the strength of muscle fibers. Acc...CSHL awarded Pre-College Science Education Grant by HHMI
...tes CSHLs daily commitment to public education for middle to high school students and teachers as well as the general public, said CSHL President Bruce Stillman, Ph.D....International team to honor 30th anniversary of deep-sea vent discovery in Galpagos
...0-mile-long mountain range zigzags up and down the middle of the world's ocean basins like a giant zipper, said Christopher German, ChEss co-chair and also co-chair of InterRidge, an international nonprofit organization that will help run the public event. The ridge marks the area where the Earth's tecto...... If the jumping gene carrying loxP hops into the middle of a gene, then the gene will be mutated. So while the method began as a way to delete large stretches of non-gene DNA, it has the bonus of also being able to disable genes more easily and inexpensively than existing knockout techniques, Wu says. ...Gene responsible for common hearing loss identified for first time
...rogressive hearing loss as the growing bone in the middle ear interrupts the sound waves passing to the inne...fests itself by the abnormal growth of bone in the middle ear, it may have a large potential for therapy, she said. Improved understanding may also lead to pr...Evolutionary relevance of retinoic acid-induced craniofacial malformations
... the progressive transformation of ossicles of the middle ear into components of the jaw apparatus. Furthermore, the treated skulls display combinations of characters present in non-mammalian species arranged in a temporal sequence strongly reminiscent of the evolutionary sequence of gnathostomal jaws. They...Blood test may help signal tumor's remission, return in throat cancer patients
...ed with cancer of the oral cavity and pharynx (the middle part of the throat that includes the soft palate, tonsils, and tongue) in 2007, and that 7,550 Americans will die from it. Alcohol and tobacco use are the most important risk factors for head and neck cancers, with tobacco use accounting for 85 perce...Magnetic field uses sound waves to ignite sun's ring of fire
...o helps explain a mystery that's existed since the middle of the last century -- why the sun's chromosphere (and the corona above) is much hotter than the visible surface of the star. "It's getting warmer as you move away from the fire instead of cooler, certainly not what you would expect," said McIntosh. ...Pointing a finger at the source of fecal bacteria
... Plum Creek the most contaminated tributary to the middle reaches of the Platte River. The researchers used two fecal source-tracking tools to analyze contaminated water and stream-sediment samples in the Plum Creek watershed. The source-tracking tools use genetic material from bacteria collected in wate...Lipoic acid explored as anti-aging compound
...re of growing importance. "We're coming into the middle of an aging epidemic in the country," he said. "In a short time more than 70 million Americans will be over 65. This is partly because of the Baby Boom, but also people are living longer, being saved with antibiotics and other medical treatments. In ...Dinosaur hearing, listening to muscle noise, quieter cubicles
... Other papers in session 2aAB will explore how the middle ear of mammals evolved as they made the transition...aAB1), and the notable features of 36 cat species' middle ears, which may provide clues on the evolutionary pressures on them (2aAB4). LISTENING TO MUSCLE ...