JCI Table of Contents, March 1, 2005
... matrix metalloproteinase-2 (MMP-2) but it was not clear why. Appearing online on February 10 in advance of publication in the March 1 print edition of the Journal of Clinical Investigation, Yasunori Okada and colleagues from Keio University show that MMP-2 plays a central role in remodeling infarcted myoc...'Blips' in HIV treatment are not cause for alarm
... the best available assays," he said. "It's pretty clear that if viremia is consistently above that level, ...in HIV infection -- will develop. It's also pretty clear that if a patient is below fifty copies and doing well, that drug resistance doesn't develop." Resis...Are IVF embryos starved of a vital ingredient?
...UK. And even if the results do stand up, it is not clear if mouse studies are relevant to humans. Barry Behr, director of the clinical IVF laboratory at Stanford University in California, thinks it is highly relevant. "I've always attributed the problems of IVF to the deficiencies of our culture medium." B...Experiments provide proof of how traveling in groups protects insects
...ls removed from the group suffered gory deaths was clear from partially chewed transmitters the scientists ...annibalism of injured crickets overall, there's a clear benefit to band members," Lorch said. "Predation occurs anyway, but any given individual is far bett...Researchers identify target for cancer drugs
...understood. As a result, researchers have lacked a clear idea about how to prevent the process. However, in the February 18 issue of the journal Science, researchers from the Sabatini lab report on discovering an important missing piece of the activation process. This missing component, a molecule called m...Methodist, UH system joining forces for biomedical research, clinical care
...thodist Hospital System. "It's become increasingly clear that no one entity can perform the level of sophisticated biomedical research required for continued excellence. Or, for that matter, provide the full range of programs needed to develop top-flight health care professionals. By joining forces, the Un...USGS featured at AAAS - Nation's largest science meeting
...sions about future utilizations depend on having a clear understanding of the status of the resource, the amount that has already been extracted, the amount remaining, and the impact of further depletion. Resource managers in communities, cities, and regions need to know how much water they currently hav...Michael F. Hochella Jr. named Virginia's 2005 Outstanding Scientist
...es of Earth materials. Through his work, it is now clear that interactions of Earth materials with living things, water and air control many of Earth's most important processes. These include soil formation and movement of toxic substances, in addition to water pollution and purification. Hochella is the ...Robots walk with close-to-human efficiency
...g and bend their knees to allow the moving foot to clear the ground, and two of the three new robots do the same. All three robots have arms synchronized to swing with the opposite leg for balance. The Cornell robot supplies power to the ankles to push off. When the forward foot hits the ground, a simple m......, Vilain has reported, embryonic mouse brains show clear gender-specific differences. Building on his previ..." according to Vilain. Biological differences have clear implications for laws related to sexually dimorphic traits, including sexual preferences, Vilain sai...New study highlights universality of public views toward science and technology
...ore human." "It's important for scientists to make clear what the aims and objectives of their work are, rather than just the science of it," Allum said. For Carmelo Polino of RICYT (the Ibero-American Network of Science and Technology Indicators), bringing the public into the loop on science and technolog...Animal parenting, personality and pair-ups
...lleagues have determined that dogs and hyenas have clear personality traits that can be measured like they are in humans. The researchers have studied characteristics such as fearfulness and anxiety, curiosity, and sociability. "Personality is not just unique to humans," Gosling said. Personality measurem...... isolated sightings. Even then, he says, there's a clear hierarchy for bird innovation ability. The crow and falcon families are at the top of the class, followed by hawks, woodpeckers and herons. In 2002, the feeding innovation index methodology gained a higher scientific perch when it was successfully ex...Urgent measures needed to retain our lead in pharmaceuticals
...In fact", the participants said, "they have a very clear idea, which happens to be wrong! We still need to get away from the idea of Dr. Frankenstein."...Neuronal 'traffic jam' marks early Alzheimer's disease
...ts' analyses of the neurons in those mice revealed clear defects, said Goldstein. "What we saw quite early ...plaque deposition," said Goldstein. "This makes it clear there is some mechanistic connection between the transport deficit and plaque deposition. "So, our h...It's not all genetic: Common epigenetic problem doubles cancer risk in mice
...n the genetic mutation is present, too, we found a clear cost for what otherwise appears to be a benign effect of extra IGF2." The team's analysis of colon tissue samples from a dozen or so Johns Hopkins patients with suspected colon cancer suggests that IGF2's effect in people may be similar, the research...UCI researchers identify trigger for onset of Alzheimer's, aiding search for new therapies
...d occurs in all brains, healthy brains are able to clear away excess amounts. Brains with Alzheimer's disea...e making more beta amyloid than their brains could clear naturally. When the researchers cleared away the beta amyloid within the neurons, however, they were...Important discovery about second most fatal cancer
...cancer) in the industrialized world. It has become clear in recent years that colorectal cancer is not a single disease but a group of diseases, each with a different cause and behaviour. The genetic basis of this new syndrome is not known but it is speculated that affected families have a genetic predispo...New pediatrics study shatters milk myth-news Conf. 3/07, noon EST, Natl. Press Club
...ant," says Dr. Lanou, lead author of the study. "A clear majority of the studies we examined for this review found no relationship between dairy or dietary calcium intake and measures of bone health. In the remaining reports, the evidence was sketchy. In some, the effects on bone health were small, and in......tances makes them more water-soluble and easier to clear out of cells. The P450s are also involved in vascular autoregulation, particularly in the brain, and the formation of cholesterol, steroids and arachidonic acid metabolites. Most of the early studies on these enzymes involved experimental animals, b...