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Tag: "suggests" at biology news

Reversal of role for a viral protein associated with the development of lymphoma

...years of insect evolution. This discovery strongly suggests that recursive splicing plays a special role in th...ng evolutionary conservation of ratchetting points suggests that recursive splicing provides specific advantages for large introns," Lopez said. "One possibilit...

Engineered molecule amplifies body's immune response

...h asthma, or heart disease, or immune compromise," suggests Dr. Holtzman. "It may also be of benefit in situations where interferon therapy has been used, such as treatments for liver disease and lung fibrosis, as well as certain cancers. Improving Stat1 efficiency would allow for much lower doses of interfer...

Secrets to antibody's success against West Nile Virus surprise scientists

... onset of dengue hemorrhagic fever. This theory suggests that dengue and other viruses may have developed tricks that let them reproduce inside macrophages, the immune cells that normally consume and destroy any object that they find covered in antibodies. In effect, these tricks turn antibodies that shoul...

Lance Armstrong through a physiological lens: hard training boosts muscle power 8%

...the same extent and also with the same time course suggests an improved efficiency of ATP turnover within muscle fibers during contraction." (ATP, or adenosine triphosphate, is a nucleotide present that serves as an energy source for many metabolic processes.) "One possible mechanism for increased efficiency...

Discovering an ecosystem beneath a collapsed Antarctic ice shelf

...ng a layer that you never knew was there." Domack suggests the strong possibility that new species of marine ...of increased sediment deposition. In addition, he suggests that the newfound system may provide incentive to launch studies to other remote undersea environmen...

Hide and seek: Researchers discover a new way for infectious bacteria to enter cells

...endocytosis to infect hosts, according to Cossart, suggests that other bacteria may exploit the same mechanism to gain entry into non-phagocytic cells. "This mechanism of cell entry may be used by several different kinds of bacteria, which is a major deviation from the belief that endocytosis is strictly for ...

Gene discovery sheds light on causes of rare disease, cancer

...endocytosis to infect hosts, according to Cossart, suggests that other bacteria may exploit the same mechanism to gain entry into non-phagocytic cells. "This mechanism of cell entry may be used by several different kinds of bacteria, which is a major deviation from the belief that endocytosis is strictly for ...

Chemical 'band-aid' prevents heart failure in mice with muscular dystrophy

...and long-term safety can be resolved, our research suggests that poloxamer 188 could be a new therapeutic agent for preventing or limiting progressive damage to the hearts of patients with muscular dystrophy," Metzger says. ...

A novel method to measure circadian cycles

...ythms vary substantially between individuals. This suggests that the genetics of the circadian clock likewise varies between individuals. Unlike an individual's true rhythm, a fibroblast cell culture's rhythm does not vary with changes in light exposure or sleep habits. The researchers point out that their ...

New Lab Research May Help Those Deafened By Immune System Attack

...cluded from the formal definition of AISNHL, Carey suggests the definition may need re-examining in light of this strong evidence for an immune-system cause in these patients. In addition to Carey, who is associate chair for research of the Department of Otolaryngology at the U-M Medical School, the paper's ...

Elderly mice yield clues to the process of growing old

...s in some tissues - the liver, for example - which suggests that accumulated genetic mutations in mitochondria...s, more commonly seen in humans than mice. Prolla suggests that new studies of mice engineered to have fewer than normal mitochondrial DNA defects or improved ...

VCU Massey Cancer Center study shows enzyme linked to spread of breast cancer cells

...erstand the functions of these enzymes. "Our work suggests that sphingosine kinases are potential new targets in cancer therapy," she said. ...

U of MN researchers reverse memory loss in mice

...ing the disease from progressing, but our research suggests that in the future we may be able to reverse the e...ngles remained, and even increased in number. This suggests that the tangles are not a cause of dementia as previously thought. The mice serve as a model that ...

AIDS expert says global strategy needed to combat feminization of HIV/AIDS

...trategy. He also points out that medical research suggests hormonal and developmental factors place young women at greater risk than men for contracting the virus when exposed to it. 60 percent of people living with HIV in sub-Saharan Africa, are female, Quinn says, and in South Africa, Zambia and Zimbabwe,...

Bird samples from Mongolia confirmed as H5N1 avian flu

...e excluded, Mongolia's paucity of domestic poultry suggests a new vector of avian flu. Finding the H5N1 strain during this expedition suggests that while the highly pathogenic avian influenza can be carried across long distances, the waterfowl...

Study: Predatory dinosaurs had bird-like pulmonary system

...blished in this week's issue of the journal Nature suggests the ancient beasts boasted a much bigger, more complex system of air sacs similar to that in today's birds. The finding is one of several studies in recent years to paint a new, more avian-like portrait of meat-eaters such as T. rex: The creatures ma...

Insight into our sight: A new view on the evolution of the eye lens

...tification of the sea squirt's crystallin strongly suggests that it is the single gene from which the vertebra...n visual system, including the lens. This strongly suggests that prior to the evolution of the lens, there was a regulatory link between two tiers of genes: tho...

Bleach found to neutralize mold allergens

...e Tilex?treated building materials. This evidence suggests that, under laboratory conditions, fungal-contaminated building materials treated with dilute bleach or Tilex Mold & Mildew Remover?may have significantly reduced allergic health effects. "This study was conducted under controlled laboratory con...

Old drug, new tricks: Prospects for slashing the impact of malaria

...he malaria parasite. But initial clinical evidence suggests that Fansidar could have a new lease on life as a protective drug that strengthens a person's own immune system against malaria. Early field experiments were conducted in the African country of Tanzania in the late 1990s. These suggested that givin...

Naturally occurring asbestos linked to lung cancer

...ld materials such as whitewash. The UC Davis study suggests naturally occurring asbestos also causes mesothelioma in developed countries, through incidental, non-occupational exposures. California has required statewide cancer reporting since 1985 and established the California Cancer Registry in 1988. One o...

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