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Tag: "dose" at biology news

New Drugs For Bad Bugs: UF Approach Could Bolster Antibiotic Arsenal

... a drug in development is likely to work and which dose is best could get antibiotics to market faster and...ork best,?Derendorf said, “and you’d find the best dose much faster than just by going by trial and error or by using some of the traditional ways.?/p> ...

Reducing malarial transmission in Africa

...osquitoes 7 days later was also reduced by the six dose regimen. Although the results are promising, some patients may have difficulty taking a six-dose regimen, and as it also needs oily food for adequate absorption there might be inadequate drug levels in the blood of many treated individuals. The auth...

Use of Insecticides Linked to Lasting Neurological Problems for Farmers

...tudies that focused on pesticide poisoning or high dose exposures, for example when large amounts of a chemical were accidentally spilled on the skin," said Freya Kamel, Ph.D., a researcher for the National Institute of Environmental Health Sciences (NIEHS). The NIEHS researchers examined questionnaires ...

Rats infected as newborns grew up vulnerable to memory problems during an immune challenge

...second group of these rats was injected with a low dose of lipopolysaccharide (LPS), a bacterial component that causes flu-like symptoms,. This time, the rats infected with E. coli as newborns froze 70 percent less often than the rats who'd been injected with salt water as newborns. In other words, under ...

Gene therapy for Parkinson's disease moves forward in animals

...ations of L-dopa levels, a continuous, therapeutic dose would be better for you. As for efforts to reverse impaired movements in rats, scientists used 33 animals with severe dopamine depletion and transferred a gene to provide a source of L-dopa production into the animals' striata. Before receiving the ...

New Treatment Rivals Chemotherapy For Lymphoma, Study Finds

...eutic regimen, a patient receives an injected test dose of radioactive Bexxar to determine how that patient's body processes the tagged antibody. Nuclear medicine scans are used to assess how quickly Bexxar reaches the tumor and how quickly the radiation disappears from the patient's body. One to two week...

The very unexpected life and death of a leukemic cell

... Researchers gave 19 individuals with CLL a small dose of heavy water every day for 84 days, and the tagged water was incorporated into the DNA of the leukemia cells. This provided the researchers a way to track the cell division, or "birth" of new leukemia cells. Chiorazzi and his team calculated birth ...

Estrogen-like Component of Plastic Stimulates Growth of Certain Prostate Cancer Cells

...tonote that our study demonstrates that the actual dose of BPA exposuremay change the biological response,?Dr. Knudsen said.The safety of BPA has been under intense debate for several years, withsome arguing that exposure to the chemical among humans is safe, withothers contending that it may promote the ...

Potential Cure for Lymphoma in HIV patients

...reatment-relatedcomplications. The ability of high dose chemotherapy as demonstrated inthis pilot study to...given one of two conditioningregimens, either high dose chemotherapy alone or in combination withradiation therapy, to destroy the cancerous cells. Most (17...

Gene Therapy For Parkinson's Disease Moves Forward In Animals

...ations of L-dopa levels, a continuous, therapeutic dose would be better for you. As for efforts to reverse impaired movements in rats, scientists used 33 animals with severe dopamine depletion and transferred a gene to provide a source of L-dopa production into the animals' striata. Before receiving the ...

Gene variations explain drug dose required to control seizures

...y carry might enable doctors to better predict the dose of drugs necessary to control their seizures, sugg...o a lengthy process of trial and error to find the dose of anti-epilepsy drugs appropriate for them. The researchers found that variants of two genes were ...

Topical treatment shown to inhibit HIV and herpes simplex virus infection

...hour after administration of a single intravaginal dose of PRO 2000 gel or a matched placebo gel. CVL specimens were tested for their ability to prevent HIV and HSV infection of susceptible human cells in culture. Levels of inflammatory cytokines were also measured as markers of acute inflammation. Analy...

It's not all genetic: Common epigenetic problem doubles cancer risk in mice

...eden and Japan has discovered that having a double dose of one protein is sufficient to change the normal ...ghly 10 percent of people have this double protein dose as well. In the Feb. 24 online version of Science, the researchers report that mice engineered to h...

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