Tag: "addicted" at biology news

Emory chemists develop bacteria that may help decaffeinate coffee

...ed coffee, he says. To develop bacteria that are addicted to theophylline, Gallivan and Desai used a piece of the genetic material RNA, known as an aptamer, which was known to bind to theophylline tightly. The remaining challenge was to couple this binding to a vital function of the bacteria -- the producti...

Smoking is in the genes

...ction does not mean that somebody will also become addicted or remain addicted. Smokers who have a genetic disposition can still stop smoking, even though they probably belong to the group who finds it hardest to quit. Vink also investigated which genes play a role in smoking. She found that chromosomes 6 an...

New drug may aid battle against nicotine addiction, Alzheimer's and other disorders

...an. 12, 2005 -- Along with aiding efforts to study addicted smokers, a new drug that attaches only to areas of...us the potential to study why some people are more addicted to nicotine than others," Mukherjee said....

Beer-drinking rats count calories better than many people, UF researchers say

...deal for some people, but for others, who might be addicted to alcohol or food, it is a problem." Additional investigation of the long-term effects of alcoholic nutrients in rats may shed more light on the internal and external signals that regulate caloric intake in humans, researchers say. But until then, ...

VCU researchers identify networks of genes responding to alcohol in the brain

...rchers better understand how and why people become addicted to alcohol. In the March issue of the Journal of Neuroscience, researchers reported significant differences in the gene expression patterns regulated by alcohol in two mouse strains known as B6 and D2. The two mouse strains differ in a number of beha...

Moffitt-USF head toward first human trials of anti-cancer drug that targets protein AKT

...undant and/or abnormally active. "These tumors are addicted to hyperactive Akt and cannot survive without it," explains Sad Sebti, Ph.D., Moffitt's Manuel and Adeline Garcia Professor, Leader of the Drug Discovery Program and Associate Director of Moffitt Research Institute. "What we discovered is a tailored ...

Modern technology helps shed light on illnesses in artists of the past

...cey (1785-1859) was an English essayist. Both were addicted to opium, a narcotic drug containing morphine and codeine. Opium was commonly relied upon in the 19th century for stimulating creative ability and relieving stress; the artists also used it as a pain reliever. Berlioz composed his most famous symphon...

Recycled or revamped therapeutics find novel anti-cancer applications

...ewhat okay." "In cancer, however, the cell becomes addicted to the one pathway and inhibits the alternate pathway," Thompson said. "So when you suddenly target the pathway that the cancer cell has become addictively dependent upon, the cancer doesn't know how to use the other pathway to compensate." Since no...

Grabbing addiction by the tail

...ery that is helping to reduce the drug cravings of addicted rats. One of the problems in addiction is that neu...vember 25, 2005, issue of the journal Science. In addicted rats, cell-to-cell communication is compromised as a result of certain long-term changes at the leve...

New study finds common herbal supplement helps to reduce cocaine cravings

...for cocaine addiction. Reduced craving might help addicted individuals restrain from abusing cocaine." In t...ential to use NAC for the treatment of individuals addicted to cocaine is a major finding," emphasized Dr. Kalivas. "For those individuals who have the desire ...

Pitt researchers find 'switch' for brain's pleasure pathway

...inson's disease has caused some patients to become addicted to gambling and sex, University of Pittsburgh researchers have published a study that sheds light on what may have gone wrong. In the current issue of Proceedings of the National Academy of Sciences, Pitt professor of neuroscience, psychiatry, and ps...

USC study shows environment plays big role in women starting to smoke

...it is more effective to prevent them from becoming addicted smokers in the first place." Once somebody starts to smoke, "the genetic factors that are related to continued smoking are much less able to be affected by interventions," Hamilton said....

Developing radiotracers for imaging studies in addiction

... why some people find drugs pleasurable and become addicted while others do not. One of the challenges for the researchers has been developing extremely rapid methods for synthesizing the radiotracer compounds. The radioactive elements (isotopes) most commonly used, carbon-11 (11C) and fluorine-18 (18F), ha...

University, VA hospital launch nation's first comprehensive meth research center

...n are often more psychiatrically ill than patients addicted to other drugs. A key difference between cocaine... now or $100 in a week. "It turns out that people addicted to drugs of all sorts, and particularly people addicted to meth, tend to discount the delayed reward...

New data hint at oncoming cocaine epidemic

...dicine, said models, artists and other celebrities addicted to cocaine have "advertised" the drug, enticing students and others with disposable income, who are now among the most frequent users. Funding for the data analysis came from the UF Foundation's Substance Abuse Research Endowment. UF experts said t...

High-tech research shows cocaine changes proteins and brain function

... analysis of proteins in the brains of individuals addicted to cocaine, researchers have uncovered novel prote...elineate the biochemical changes that comprise the addicted brain," said Hemby, associate professor of physiology and pharmacology. The researchers compared the...

Antioxidants: New kid on the block for pain relief?

...from chronic pain can become dependent on, or even addicted to, heavy-duty pain killers like morphine." The study appears in a recent issue of the journal Behavioural Brain Research. Chronic pain is such a formidable problem that, in 2000, Congress passed a bill designating January 1, 2001 as the beginnin...

Studies identify DNA regions linked to nicotine dependence

...endence, is a U.S.-based sample that includes both addicted smokers and "social" smokers from St. Louis, Minne...g smokers to non-smokers, the researchers compared addicted smokers to non-addicted smokers. "You're not at risk for nicotine dependence unless you've smoked,...

Gene analysis might explain ethnic differences in sensitivity to chemotherapy in lung cancer

...activity, Dr. Gazdar said. "Cancer cells become addicted to EGFR," he said, so these cells are much more susceptible to the cancer-killing effect of EGFR inhibitors. This type of analysis of cancer genes might be helpful for other types of cancer and other ethnic groups, Dr. Gazdar said, possibly explain...

Study shows response to financial loss parallels brain's processing of pain

...eople gamble more than others, and why some become addicted to it." ...

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