'Smart gene therapy' protects against damage from heart attack
...s of heart muscle get chewed away" as tissue dies, weakening the organ and resulting in failure. When blood flow becomes blocked completely, a heart attack can ensue. Physicians may be able to reopen narrow or blocked heart vessels with balloon angioplasty, but restoration of blood flow often leads to inflamma...More useful plants may sprout from gene role discovery
... are more nutritious and easier to process without weakening them so much they fall over, according to Purdue University researchers who found a new twist in a plant formation biochemical pathway. Decreasing the amount of two acids in plant cell walls may enhance livestock feed digestibility for better nutriti...Genetic basis of hereditary nerve disorder revealed
...luding 150,000 Americans. Hallmarks of CMT include weakening of the feet and hands that gradually extends to the legs and arms. The only treatments now available to patients with the disease include physical therapy and moderate activity to maintain muscle strength. Patients often rely on leg braces and, in so...Study examines whether giving good bacteria reduces infections
... fiber and high in refined, processed food that is weakening the natural, protective mechanisms of the gut and surrounding immune cells. "Humans that eat a good mixed diet with lots of fiber have plenty of Lactobacillus plantarum. Americans have little," he says. Dr. Martindale has spent two years exploring pr...Kidney injury's harmful effects on bones blocked in mice
...nown as adynamic bone disorder (ABD) that leads to weakening and distortion of bone. "Adynamic bone disorder me...nually remodeling." ABD is the second type of bone weakening related to kidney problems that scientists have identified. In the first, secondary hyperparathyroid...Calcium channel involved in coronary artery relaxation
...rocess, known as fibrosis, results in muscle loss, weakening the heart muscle and altering its electrical properties, which keep the heart pumping in rhythm. "The function of this channel is clearly very important for blood flow to the heart via the coronary artery," Campbell said. The team then explored how t...Lasers create new possibilities for biological technology
... can be out of phase, canceling each other out and weakening the strength and coherence of the output beam, she said. However, by modulating the diameter of the guide, Murnane said they can arrange for the laser light and "soft" x-ray light to travel at the same speed along the same path, increasing the effic...Protein that fights bacteria and viruses cloned by Scripps scientists
...acrophages unable to sense certain pathogens, thus weakening their innate immune systems. "Mice that lack this protein are very susceptible to infections like mouse cytomegalovirus," says Beutler, adding that the mice are also unable to respond to bacterial endotoxins, like lipopolysaccharide (LPS) molecules, ...Seeking the cause of a mysterious whale disease
...diomyopathy involves enlargement of and subsequent weakening of part or all of the heart, and can leave whales more susceptible to environmental stresses and ultimately death. One human version of the same disease is responsible for the sudden death of many young athletes, leading to a surge in research to de...Scientists close in on understanding learning and memory
... that blocking this step prevents connections from weakening without affecting anything else, making it possible -- finally -- to see if weakening connections really do contribute to learning and memory. "Our finding defines what is happening dur...New book entertainingly tells 'What Good Are Bugs'
...he bark of twigs and mates on branches and trunks, weakening and often killing their hosts. To explain how insects feed plants, he uses a boyhood experience. After finding a leaf with many shiny, glimmering spots full of stuck insects, his high-school biology teacher in Connecticut explained that it was one o...Researchers will no longer be 'snowed' in predicting future avalanches
...nderstand better how to analyze characteristics of weakening that occur in snowpacks." "As populations increase in and around mountainous regions, recreational activities are more concentrated. Hazards exist not only in terms of individual risks, but also to property, as more people choose to live in remote a...Stanford researchers identify genes involved in tuberculosis latency
... in 10 percent of these latently infected persons, weakening of the immune system, caused by either illness or age, allows the tuberculosis bacteria to emerge from small lesions in the lung. The resulting coughing and hacking, which can be fatal if untreated, spreads the bacteria to the next generation of unsu...Soft drinks, teens and cavities
...eral structure of teeth, producing tooth decay and weakening the teeth. Fact: A typical 12-ounce can of sugared soda contains approximately 10 teaspoons of sugars. Fact: The average male in the 12- to 19-year-old age group drinks the equivalent of 868 cans a year....Fast-paced lifestyle helps to erode teens teeth
...erall health. "Premature loss of tooth enamel and weakening of overall tooth structure are two devastating oral affects of teens' poor diet that can not be reversed later in life," explains Jane Soxman, DDS, author of a new study that appears in the January/February 2003 issue of General Dentistry, the Academ...Scientists hone in on cause of amphibian deformities
... the majority of deformities, may set the stage by weakening an amphibian's immune system and making it more vulnerable to a parasitic infection. "The challenge to scientists becomes teasing apart these agents to understand their interactions," the researchers said in this article. "Humans and other animals m...Endangered northern right whales exposed to paralytic shellfish poisoning
...PSP toxicity include parethesia and numbness and a weakening of muscles. In high doses, the PSP toxicity syndrome in mammals is characterized by respiratory difficulties, which may cause death in the absence of ventilatory support. "Although PSP toxins do not tend to accumulate in most mammalian tissues, chro...January GEOLOGY and GSA TODAY media highlights
...a, and implies that previous studies postulating a weakening of deep-water formation in the North Atlantic due to massive meltwater discharge during MWP 1a need to be reevaluated. Widespread, prolonged late Middle to Late Ordovician upwelling in North America: A proxy record of glaciation? Michael C. Pope an...'Scientific balancing act' dominates AAAS top ten list of science policy stories for 2002
...ity policies may ultimately make us less secure by weakening science and hindering advances that benefit people everywhere, said Al Teich, head of the AAAS Directorate for Science and Policy Programs. As an example of this "scientific balancing act," Teich points to government efforts to restrict access to "se...Potential new treatment for Gaucher disease developed by scientists at Scripps Research Institute
... storage material, which may lead to bone lesions, weakening the skeleton, and sometimes resulting in painful fractures. In some instances, the disease also impairs the function of the lungs. In an article that will be published in an upcoming issue of the journal Proceedings of the National Academy of Science...