Core Spins Faster Than Earth, Scientists Find
...ow the Earth's magneticfield is created and why it reverses periodically; how heat flowsthrough the planet, and how the Earth's multi-layered interiorhas evolved. Theinner core rotates in the same direction as the Earth and slightlyfaster, completing its once-a-day rotation about two-thirds ofa second faster...Retinoic Acid Used In Cancer Treatment
...es to pumpkins and apricots. Retinoic acid reverses the growth-promoting effects of oncogenes, the mutated genetic material that induces cancer, says Andrew Yen, a professor of pathology and director of one of the Cancer Biology Laboratories in Cornell University's College of Veterinary Medicine. ...Scientists discover addition of new brain cells in highest brain area
Finding reverses long-held beliefs and has implications for designi...the cerebral cortex of adult monkeys. Thediscovery reverses a dogma nearly a century old and suggests entirely new waysof explaining how the mind accomplishes i......odified herpes virusenters bladder nerve cells and reverses incontinence in rats due to nervedamage. "These new findings are important for us to understand how this gene therapy maywork in a clinical setting," remarked William Goins, Ph.D., assistant professorof molecular genetics and biochemistry at the Univ...Ancient math refines theories of evolution
...ces the chance that every new discovery completely reverses the one before, because it considers all the possible evolutionary trees and weighs them according to the likelihood that each is correct," says Huelsenbeck. "It's more robust because it compares each new bit of information against the overall unders...Tips from the Journals of the American Society for Microbiology: March 2001
... level of virus in the blood, stops and most often reverses progression of the disease. Scientists have known for years that African green monkeys can be infected with SIV and not develop AIDS but it was believed that this was due to effective immune system control of the virus, which would appear as a...Designer solvents promise revolutionary pollution solution
...eating contaminant-laden ionic liquids in a vacuum reverses the binding process, permitting the liquids to be reused, he says. Oxidation of organic compounds is one of the most fundamental reactions in chemistry. Such reactions create epoxides - biologically reactive chemicals that are widely used in...'Why isn't the neural tube defects rate lower?,' asks March of Dimes
...hich is similar to transdermal estrogen in humans) reverses this problem," Vongpatanasin said. The 12 study participants randomly received transdermal estrogen replacement therapy for eight weeks, then switched to oral estrogen replacement therapy for eight weeks and a placebo for another eight weeks. ...Abstinence may make the brain grow stronger
...nce. "We wanted to know if abstinence from alcohol reverses the kind of structural and metabolic abnormalities that have been demonstrated by previous studies," said Dieter J. Meyerhoff, associate professor of radiology at the University of California - San Francisco School of Medicine and lead author of the ...Breaking the silence: Discovery could lead to new treatments for cancer, sickle-cell anemia
...ch Center have discovered a chemical compound that reverses a process called silencing, in which genes or chromosomal regions are shut off. Such inhibitors of gene silencing could have significant applications for treating a variety of malignancies - including acute myelogenous leukemia, colon cancer and cert...Growth hormone may boost production of disease-fighting cells in elderly
...hat growth hormone therapy of aged animals totally reverses the accumulation of fat cells in the bone marrow, Kelley said. This reduction in fat cells is accompanied by a huge increase in the number of both red and white blood cells in the bone marrow, which is dramatically reduced in the elderly. These res...SFVAMC study explains prostate cancer resistance to hormone therapy
...e cancer cells growing in culture with a drug that reverses methylation, and the cells once again switched on their estrogen receptor genes. People are testing de-methylating agents in clinical trials for several other cancers. In prostate cancer we could inject these drugs directly into the prostate, and ...Can we enlist substitute genes to fight muscular dystrophy
...d studies have shown that utrophin over-production reverses the symptoms of muscular dystrophy in mice, said Tejvir S. Khurana, MD, PhD, assistant professor in the Department of Physiology and researcher at the Pennsylvania Muscle Institute at Penn. It is not a perfect substitute in the way that a putter is n...A detour for stalled intracellular lipid traffic
...atterns of GSL trafficking in NP-C cells, but also reverses their abnormal accumulation of free cholesterol. These molecules thus appear to be limiting for caveolar endocytosis in the mutant cells, suggesting that treatments that increase their activity could reverse the cellular phenotype in NP-C....Understanding acetaminophen poisoning
...ve CAR were given a drug called androstanol, which reverses the receptor's activity, they were even more resistant to toxic effects of acetaminophen. Androstanol could even protect the liver if it was given an hour after a high does of acetaminophen. However, mice that lacked CAR showed no protective effect. ...New study promises safer hormone replacement therapy
...identified a synthetic estrogen-like compound that reverses bone loss in mice without affecting the reproductive system, as does conventional hormone replacement therapy. The finding, reported in the Oct. 25 edition of Science, could lead to new therapies to prevent osteoporosis for millions of women and men...JCI Table of Contents, December 2, 2002
...l administration of asugar and salts solution that reverses the dehydration caused by diarrhea.In this world of high-tech medicine, it is humbling to observe that such asimple recipe is capable of decreasing the mortality rate associated withdiarrheal diseases. Perhaps the most promising conclusion drawn fro...Alternative treatment for secretory diarrhea linked to the cystic fibrosis gene
... administration of a sugar and salts solution that reverses the dehydration caused by diarrhea. In this world of high-tech medicine, it is humbling to observe that such a simple recipe is capable of decreasing the mortality rate associated with diarrheal diseases. Perhaps the most promising conclusion drawn ...A new approach holds promise for reducing cocaine craving
...treat cystic fibrosis and several other disorders reverses the changes in brain chemistry that appear to cause cocaine craving," said David A. Baker, a post-doctoral fellow in the laboratory of Peter W. Kalivas at the Medical University of South Carolina. Baker presented the latest results from the Kalivas g...A new study sheds light on how the tongue restores its ability to taste following surgery
... upregulation of immune function with systemic LPS reverses the dramatic decrease in sodium sensitivity exhibited by the intact CT shortly after contralateral denervation. The authors suggest that sodium restriction leads to abnormalities in immunederived factors liberated by neural damage. In fact, there is...