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Tag: "slowing" at biology news

How low can you go? Ants learn to limbo

... that they can successfully crawl under it without slowing down. Tobias Seidl will be presenting his latest research findings at the Annual Meeting for the Society for Experimental Biology on Tuesday 4th April. Desert ants generally scurry around at high speeds whilst foraging to limit their exposure to the...

Bone and cartilage growth to blame for heart valve disease

...tatins may be able to play a role in preventing or slowing the process and curtailing the need for surgery." Valvular heart disease is on the rise with the aging of the United States population, and is second only to coronary artery disease as a cause for open heart surgery. Heart valve disease leads to 100...

Intensive statin therapy may partially reverse plaque build-up in arteries

... "Previous similar studies with statins have shown slowing of coronary disease, but not regression. This regimen significantly lowered bad cholesterol, and surprisingly, markedly increased good cholesterol levels," said Steven Nissen, M.D., F.A.C.C., of the Cleveland Clinic and lead author of the study. Dr....

Weizmann Institute suggests that immune cells help to maintain cognition and brain cell renewal

...indings that may have implications in delaying and slowing down cognitive deterioration in old age. The basis for these developments is Schwartz's team's observations, published today in the February issue of Nature Neuroscience, that immune cells contribute to maintaining the brain's ability to maintain cog...

Satellites show Amazon parks, indigenous reserves stop forest clearing

...rformance of inhabited and uninhabited reserves in slowing the most extreme form of forest disturbance: conversion to agriculture. In a paper recently published in Conservation Biology (2006, Vol 20, pages 65-73), an international team of scientists, led by Daniel Nepstad of the Woods Hole Research Center ...

Sweetgum tree could help lessen shortage of bird flu drug

...d similar antiviral drugs could help save lives by slowing the spread of the virus in the absence of a bird flu vaccine, which is still in development. The drug, which blocks the replication of the flu virus, is being stockpiled worldwide to slow or stop a possible bird flu pandemic that some experts predic...

NJIT study shows nanoparticles could damage plant life

...s of the nanoparticles played an important role in slowing the growth of the roots," said Watts. "The smaller the particle, the larger is the total amount of surface area per unit weight. So the smaller you make the particles, the larger is the surface area, which we suspect is what contributes to the growth...

Reducing antibiotic use lowers rates of drug-resistant bacteria

... by prescribing antibiotics more judiciously, thus slowing the spread of superbugs. ...

Oysters: The natural way to protect our shores

...all, fringing oyster shell reefs were effective in slowing erosion for low wave energy shorelines, though less effective in higher wave energy environments. The authors conclude that "the use of small created fringing oyster shell reefs has the potential to provide a useful shoreline stabilization tool to ...

Oceans turning to acid from rise in CO2

...capturing the human-induced greenhouse gas CO2 and slowing global warming. Marine plants soak up CO2 as they breathe it in and convert it to food during photosynthesis. Organisms also use it to make their skeletons and shells, which eventually form sediments. With the explosion of fossil-fuel burning over th...

UIC developing drug for SARS

...University of Illinois at Chicago shows promise in slowing replication of the virus responsible for severe acute respiratory syndrome, or SARS. Currently, there are no effective antiviral agents or vaccines for SARS, which killed almost 800 people in an epidemic in 2002-2003. On the basis of their success,...

U of MN researchers reverse memory loss in mice

...ry. "Most Alzheimer's disease treatments focus on slowing the symptoms or preventing the disease from progressing, but our research suggests that in the future we may be able to reverse the effects of memory loss, even in patients who have lost brain or neural tissue," said Karen Ashe, professor of neurolog...

Survival of heart patients on beta-blockers varies greatly with genetic variation

...ne, but beta-blocker drugs block this interaction, slowing the heartbeat and lowering blood pressure to relieve stress on the heart. They also block impulses that can cause rhythm disturbances. "Long-term therapy with beta-blockers is standard care for heart patients," Lanfear says. "Data from patients with...

Morphine for Chest Pain Increases Death Risk

...epressing respiration, reducing blood pressure and slowing heart rate," he continued. "These side effects could explain the worse outcomes in patients whose heart function has already been compromised by disease." For their analysis, the researchers consulted the nationwide quality improvement initiative na...

The making and breaking of microtubules

...ys Nogales, "Hong-Wei found biochemical tricks for slowing down the transitions almost to the point of stopping them." Cryo-electron microscopy (cryo-EM) is capable of capturing such polymer structures without having to break them down and crystallize single subunits for x-ray diffraction analysis. X?ray di...

Thai spice helps cut blood sugar swings

...t might have some application in diabetes, both in slowing progression to diabetes 2 and since these people have an obesity problem, it could potentially have an additional benefit in the therapeutic field. But this is all highly speculative," Wielinga added. Wielinga, who is moving to the Institute of Vete...

Alzheimer's cognitive decline slowed

...brain activity, while mental-status tests showed a slowing of the patients' rate of cognitive decline was reduced by 36 to 51 percent. In addition, researchers examined the brain tissue of a study participant who had died and found robust growth of extensions from the dying cholinergic cells near the site of...

HIV-1 spread through six transmission lines in the UK

...es in sexual behaviour have been more effective in slowing the spread of the disease. The collaborative study led by University College London (UCL) scientists found that HIV-1 subtype B spread through the UK via at least six large transmission chains of men having sex with men, suggesting separate introduc...

MetaChip provides quick, efficient toxicity screening of potential drugs

...ides would be a valuable woman-controlled means of slowing the pace of the HIV/AIDS epidemic," Dr. Fauci adds. The first volunteers were enrolled this week at sites in Durban, South Africa, and at the University of Pennsylvania in Philadelphia. Enrollment will begin shortly at sites in four additional Afric...

International trial of two microbicides begins

...ides would be a valuable woman-controlled means of slowing the pace of the HIV/AIDS epidemic," Dr. Fauci adds. The first volunteers were enrolled this week at sites in Durban, South Africa, and at the University of Pennsylvania in Philadelphia. Enrollment will begin shortly at sites in four additional Afric...

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