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Tag: "rats" at medical news

Nasal Spray Could Take Drugs Direct to Brain.

...lleagues administered the growth factor to 37 male rats in which the researchers induced brain damage that mimics strokes in human brains. They then tested various motor and sensory reflexes to determine if the rats' symptoms were decreased, indicating that the drug had reached its target. The test resul...

Now umbilical cord helps in stroke treatment.

...eeded. Sanberg says the study was conducted on 60 rats and 80% of them responded well to this treatment. He also says the treatment works better if it is started within the first 24 hours after a person suffers a stroke. How these cells rewire the damaged brain cells is still unclear but this breakthroug...

Vitamin Shields Brittle Bones

...s estrogen. In this study it is shown that female rats that had their ovaries removed and treated with vi...h higher bone densities after eight weeks than the rats that received no treatment. Vitamin E is an antioxidant, meaning it soaks up so-called free radicals...

Leptospirosis epidemic feared in mumbai - 12 killed

..., is spread by a virulent bacteria in the urine of rats and dogs. "We have 12 deaths (in the past fortnig...or muscles. The disease is present in the urine of rats and is transmitted to humans through dogs, cattle and on contact with contaminated water....

Garlic a day keeps cancer away

...scientists have fed varying levels of disulfide to rats and found it increased levels of the cancer-protecting gut enzymes by up to 60 per cent when given in amounts equivalent// to a moderate daily intake in humans.They say that even half a clove of raw garlic could have the same beneficial effect in hum...

Headache decreases appetite

...sence. Then the researchers gave pain stimuli to rats and discovered that they activated not just brain cells that transmit pain signals, but also those involved in appetite suppression. Headache stimuli lead to an acute fall in food intake during the first four hours after they are applied.This shows t...

Avacado a day

...vocado and 22 other fruits to laboratory rats. The rats were then given D-galactosamine, a substance that ...with cell synthesis and results in cell death. The rats fed the avocado obtained the least amount of liver damage.// The Researchers discovered three new c...

Nitric oxide involved in high blood pressure

...e University of Texas, this study was conducted on rats and found that nitric oxide, which helps control b...f can increase this free radical production, using rats that had high blood pressure in the front half of the body and normal pressure in the rear half. The...

Recouping blood flow after a stroke

... movement in many cases. Now a study in laboratory rats reveals that the blood supply of the brain can respond to stroke damage. Researchers at the Harvard University School of Medicine in the US simulated a minor stroke in a group of rats, by constricting the blood vessels in their brains.// When the b...

Renal problem alleviated

...n healthy control rats. However, by treating the rats with kidney failure with an antioxidant called des-methyl-tirilizad, the scientists were able to lower the levels of molecules responsible for the oxidative stress. “This study shows how free radicals and nitric oxide interact to produce oxidative st...

Helping the neurology of kidney failure

...ive stress, which damages brain cells. However, if rats with kidney failure are treated with an antioxidant drug, much of this damage can be prevented. Further research is needed to see whether the antioxidant treatment is applicable to humans. There's also the possibility that this kind of oxidative st...

Better Treatment for obesity

...n injected into the bodies of rats, OEA caused the rats to eat significantly less food and gain weight at a slower pace. Studies are now under way to investigate how OEA works on a cellular and molecular level, and to determine whether OEA has appetite-suppressing effects in humans, the researcher noted....

Ritalin May Lower Cocaine Abuse

... for cocaine addiction later in life. The study in rats suggests that stimulant treatment in childhood may...n to abuse illicit drugs later on. They found that rats given methylphenidate (Ritalin) appeared to have an aversion to cocaine in adulthood, compared with ...

Early delivery can prevent cancer

...d protect against breast cancer. In experiments, rats and mice given doses of natural hormones that mimic pregnancy were protected against breast cancer. When the animals were injected with a known carcinogen, they did not develop as many mammary tumours as expected. The research was carried out by a te...

Music in link with epilepsy

...lls, such as paper cutting and folding. Studies on rats showed that those that had listened to the K448 sonata were able to negotiate a maze faster than those that had been played minimalist music or left in silence.// In other tests, children who were taught a keyboard instrument for six months, learni...

Nasal Spray Could Take Drugs Directly to Brain

...lleagues administered the growth factor to 37 male rats in which the researchers induced brain damage that mimics strokes in human brains. They then tested various motor and sensory reflexes to determine if the rats' symptoms were decreased, indicating that the drug had reached its target.The test results...

Miraculous Salads

...ey had a similar result. On a diet of onions the rats developed stronger bones and suffered less resorption, and the onions' effect on bones could be seen within 12 hours, the scientists said. If this also happens in humans, then including an appropriate amount of these vegetables in the daily diet coul...

Cure for blindness

... Texas, have transplanted human retinal cells into rats born with a predisposition to blindness.// Experiments showed that the rats were then able to distinguish patterns as well as animals with normal vision. This is an important...

New drug may stop alopecia

... known as GW8510, helped to prevent hair loss// in rats subjected to chemotherapy. Lead researcher Stephe... gel completely prevented hair loss in half of the rats that subsequently underwent chemotherapy. No side effects were detected and the drug did not interfe...

Vitamin E decreases high blood pressure in kidney failure

...itamin E was able to reduce high blood pressure in rats who had kidney failure. Researchers at the University of Texas, find that rats with impaired kidneys// and high blood pressure produce large amounts of damaging free radicals. Th...

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