Tag: "sword" at biology news
ASU research shows connection between testosterone, dietary antioxidants and bird coloration
...for example, has been thought of as a double-edged sword
as it relates to sexual signals, because it enhances trait production but comes at a health price to the animal. This study shows that testosterone may not be as costly as previously thought, so long as animals can nutritionally offset the immune d...
Researchers develop way to calculate speed of bacterial sex
...n; however, bacterial adaptation is a double-edged sword
for the environment. While the genetic exchange among bacteria can lead to positive environmental outcomes, such as improved bioremediation qualities, bacterial adaptation can also create potentially harmful bacteria that are resistant to antibiotics...
Over the edge: New therapeutic strategy takes advantage of stressed cancer cells
...r biology may turn out to be a deadly double-edged sword
for the cancer cells themselves. Scientists have successfully exploited the oxidative stress common in cancer cells to preferentially kill malignant cells. This approach has the therapeutic advantage of selectively targeting cancer cells while exhibi...
Muscle repair: Making a good system better, faster; implications for aging, disease
...at "the inflammatory process can be a double-edged sword
for muscle repair. Inflammatory cells can exacerbate an injury, but they also can produce substances that may be required for repair. We would speculate that anti-inflammatory drugs may not be such a good idea if they're inhibiting repair-promoting ...
JCI table of contents, 3 January 2005
...ITLE: Mac the knife? Macrophages the double-edged sword
of hepatic fibrosis AUTHOR CONTACT: Scott L. Friedman Mount Sinai School of Medicine, New York, New York, USA. Phone: 212-659-9501; Fax: 212-849-2574; E-mail: Scott.Friedman@mssm.edu . A PDF of this article this ar...
Balancing 'hysteria and suspicion': Doctors face new responsibilities in 'bioterrorism era'
... action. This means doctors will be the tip of the sword
-- not the military, not the police, not the firefighters." Clements presents his argument in an article published in the Dec. 18 issue of the medical journal, The Lancet. Clements, and his co-author R. Gregory Evans, Ph.D., MPH, director of t...