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Tag: "notes" at biology news

Biologists Crack Genetic Code for Specialized Spider Silk

... will not immediately change treatment strategies, notes Dr. Geha. “For the time being, therapy still consists of prophylactic antibiotics or intravenous immunoglobulin infusions every three weeks,?he says. ...

Agreement will speed research on microbicides for women

... will not immediately change treatment strategies, notes Dr. Geha. “For the time being, therapy still consists of prophylactic antibiotics or intravenous immunoglobulin infusions every three weeks,?he says. ...

Defective Gene Linked to Two Inherited Immune Deficiencies

... will not immediately change treatment strategies, notes Dr. Geha. “For the time being, therapy still consists of prophylactic antibiotics or intravenous immunoglobulin infusions every three weeks,?he says. ...

Scientists discover genetic pathway responsible for breast cancer cell growth

...d, which is why patients experience side effects," notes Dr. Giguère. "The more focused the drugs the less side effects and the more chance you have to cure the disease." "Research targeting individual molecules associated with pathogenesis of cancer has led to positive clinical results," says Dr. Joseph ...

Variant prion protein causes infection but no symptoms

...ases by preventing certain cellular interactions," notes NIAID Director Anthony S. Fauci, M.D. A paper describing the research was released online today by the journal Science. RML virologist Bruce Chesebro, M.D., directed the project. Other key co-authors from the Hamilton, MT, RML laboratory include Rich...

Scientists discover gene that controls speed of tuberculosis development

... new targets and policies for disease prevention," notes Dr. Emil Skamene, Scientific Director of the Research Institute of the MUHC. "Academic hospitals such as the MUHC combine scientific research, technology and clinic expertise, enabling scientific breakthroughs to be developed into treatments and cure...

Sugar helps control cell division

...ched at the hub of activity during cell division," notes Slawson. "When we knock it out or block it with a chemical, the cell cycle lengthens and cell division doesn't happen properly. Clearly the enzyme is there for a reason." But understanding what the sugar itself is doing and how its presence on or ab...

Ants, not evil spirits, create devil's gardens in the Amazon rainforest, study finds

...mploy a very effective system of lethal injection, notes Gordon, associate professor of biological sciences at Stanford. "The system harnesses two fundamental tools:formic acid, which many ant species use for other purposes, and the basic circulatory system of all vascular plants," she says. A census of t...

Researchers identify genes associated with lung transplant rejection

...urately measure that many genes in small samples," notes Caughey, who is also a professor of medicine at UCSF. "We succeeded way beyond our expectations." The researchers then correlated the genetic test results with results from microscopic pathology examinations, tissue cultures, X-rays, CT scans, and b...

Research suggests fitness of Florida panthers improved by limited breeding with Texas animals

...s are better than inbred animals." The paper also notes that "hybrid cats are beginning to expand their ranges to areas previously thought to be unsuitable," meaning environments "once supposed to be unable to support them." Purebred Florida panthers have been confined largely to protected areas north of...

Why do aneurysms form? New studies suggest leading role for white blood cells

...Columbia University surgeon M. David Tilson, M.D., notes that the studies bring research on AAA formation and the role of the neutrophil to a new level and may lead to further discoveries that help sort out the AAA puzzle. AAAs are an under-appreciated and under-researched public health threat, says Upchu...

Researchers predict infinite genomes

...es interesting questions about rates of evolution, notes Fraser. "We're intrigued to learn more about the diversity within a given species, and how it happens," she says. ...

Leptin-signaling Protein Maintains Normal Body Weight And Energy Balance In Mice

...ith an annual value of US$ 2.7 billion. Dr. Dugan notes that aquaculture, which has grown explosively in other regions, now provides 38% of fish production worldwide but less than 2% in sub-Saharan Africa. The WorldFish Center warns that simply maintaining today's per capita fish supply in sub-Saharan Af...

Crisis in African fish supplies looms, experts warn Africa leaders

...ith an annual value of US$ 2.7 billion. Dr. Dugan notes that aquaculture, which has grown explosively in other regions, now provides 38% of fish production worldwide but less than 2% in sub-Saharan Africa. The WorldFish Center warns that simply maintaining today's per capita fish supply in sub-Saharan Af...

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

...riods of detraining, Coyle added later. The study notes that these findings could be "important because it provides insight, although limited, regarding the recovery of 'performance physiology' after successful treatment for advanced cancer." Muscular efficiency through possible fiber change: making it l...

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

...enomenon has not been seen in West Nile virus, but notes that when he and his colleagues tested the ability of several antibodies to prevent West Nile from reproducing inside macrophages, they found that only the therapeutic antibodies blocked the virus' reproduction. The therapeutic antibodies' ability to...

Scientists show that tick-borne flaviviruses use a novel mechanism to evade host defenses

...ous toll in terms of illness and death worldwide," notes NIAID Director Anthony S. Fauci, M.D. "Because thi..." In preparation for such a development, Dr. Fauci notes that two other NIAID laboratories have similar flavivirus studies under way, and the three groups ar...

Six previously blind patients detect light, motion, identify objects with retinal prostheses

...ed macular degeneration, or AMD, as well. In fact, notes Humayun, there are 25 million people across the globe, including 6 million in the United States alone, who have been blinded, or are severely visually impaired, due to disease like RP and AMD. By 2020, that figure is expected to double, creating a vi...

Gene expands malaria's invasion options

...d a target in anti-malaria medications, but Cowman notes that if only that gene is blocked, some parasites can still use PfRh4 to switch to other means of entry. "If both genes are disrupted, it blocks both ways of getting in," he says. ...

Why are coyotes getting more aggressive?

...sor of natural resources at Cornell University. He notes that in the past two decades, several dozen attacks on humans have been reported in California. Coyotes, which are closely related to dogs and wolves, are ubiquitous in North America, but they rarely have been a danger to humans. Fearful of being hu...

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