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Tag: "effect" at biology news

New gene linked to bipolar disorder

...the brain, but in bipolar disorder has an abnormal effect due to mutations in the gene. However, researchers do not yet know what the gene's normal function is or how these mutations might be contributing to the disorder. Professor Hugh Gurling, UCL Department of Mental Health Sciences, says: "The next s...

Male contraception: One door opens, another closes

...ttle was able to obtain funding to test the drug's effect in seven healthy men. The result? Nothing--no effect on fertility, even at a dose high enough to cause diarrhea, stomach upset, and other unpleasant side...

Researchers seek to design first treatment for neuroAIDS

...iral therapies in 1996, HIV also had a devastating effect on the brain known as HIV-associated dementia (HAD...ake the drug available for the study of the drug's effect on neuroAIDs. CEP-1347 has already proven capable of reversing the neurotoxic effects of HIV protein...

Smashing the time it takes to repair our bones

...aid by combining the two stimulants, a synergistic effect was produced. "That means when you apply both the mechanical and electrical stimulants together a result greater than the sum of the two stimulants applied individually is achieved. It creates a greater output," he said. Dr Hannay said that unf...

Bones at the nanoscale

.... This is the first experimental evidence for this effect in biomaterials ?small particles resist failure better. Scientists carried out experiments on ID2 beamline at the ESRF. They tracked the molecular and supramolecular rearrangements in bone while they applied stress using the techniques of X-ray...

Two nerve cells in direct contact

...tions were in principle suitable for achieving the effect described; however the question remained: which of...l is filled with fluorescent dye which has a toxic effect when strongly stimulated) and tested sensitivity to rotation in the H2 cell. A long series of these ...

Older fathers more likely to have autistic children

...however, few studies have effectively examined the effect of mothers' and especially fathers' ages on autism...ated with autism after researchers factored in the effect of the father's age. The authors discuss several possible genetic mechanisms for the paternal age ...

'Protecting virus' offers instant flu protection and converts flu infections into their own vaccines

...an immune response to the harmful new invader. In effect the protecting virus converts the virulent virus i... 'protecting virus' would have the same beneficial effect whatever strain of influenza is infecting you. This is because the coat of the virus is irrelevant ...

New study finds chocolate chip cookies lower cholesterol

...ber and when consumed regularly, it has a positive effect in the treatment of obesity, high blood pressure, irritable bowel syndrome, constipation, hemorrhoids and coronary artery disease. "Our results suggest dietary treatment with Right Direction Cookies significantly affected the total number of lipop...

Sequencing of the oyster mushroom genome

...being one of the principal gases of the greenhouse effect ?and holds great potential for use in bioremediation –biodegradation of contaminants ? reasons why, together with other crops such as the yucca or cotton, it has been chosen for genome sequencing by the mentioned North American Genome Institute. T...

Tarantula venom and chili peppers target same pain sensor

..." The researchers determined the venom peptides' effect in neuron cell cultures, measuring the tell-tale rush of calcium ions when the venom peptides contacted the TRPV1 capsaicin receptor. They also showed that synthetic versions of the venom peptides activated the receptor. In studies with mice, they fo...

Gene therapy inhibits epilepsy in animals

...of the alpha1 subunit to see if this would have an effect on later seizure development. To carry the gene that alters the expression of the protein, they used an adeno-associated virus vector, injected into the rats' brains. The researchers later injected the rats with pilocarpine, a drug that causes stat...

Diabetes slows nerve recovery after heart transplant

Diabetes has a detrimental effect on a person's ability to recover from a heart tran... Baltimore, Md. "Our results confirm a detrimental effect of diabetes on the potential for recovery of sympathetic nerve fibers of the heart," added the co-au...

Edible coatings will be the packaging of the future

...les, currently marginalized, as well as having the effect of reducing the desertisation of the soil. The e...ckness of the film did not influence the protector effect on the oil, but it was shown that starch films are more effective in ambiences with high relative hu...

A valuable fly for research into disease

...nt his recent research on a drug that has a direct effect on tumour progression. Cayetano González, from IRB Barcelona, will discuss his work on stem cells and cancer; and Ginés Morata, from the Universidad Autónoma de Madrid, will address apoptosis and tumourous transformation. Heart disease is another to...

Researchers link ocean organisms with increased cloud cover and potential climate change

...droplets. When oxidized, isoprene may enhance the effect of DMS by increasing the number and size of the pa...prene mechanism could therefore have a significant effect on the development of clouds there ?and may account for most of variation in the area's cloud cover....

How mammals fuel milk production may have implications for cancer

... activation as a potential mediator of the Warburg effect and reinforce the importance of efforts to design pharmacologic agents that will inhibit this pathway in tumors.? ...

Vaccination with embryonic stem cells prevents lung cancer in mice

...lon, breast) to determine whether the preventative effect of vaccination extends beyond our models of lung cancer (although in our state of Kentucky with its high smoking rates, lung cancer alone would be a big victory). We may also vaccinate ageing rodents, the majority of which develop endocrine tumours ...

Heavy smoking cuts women's chance of pregnancy -- even with donated oocytes

...e receptiveness of the uterus independently of its effect on ovarian function, and this is a new finding." ...iring implantation in some and having the opposite effect in others. "It is already known that there is paradoxical dose-dependent effect of nicotine on o...

Fruit fly study identifies gene mutation that regulates sensitivity to alcohol

...hoGAP18B, each of which had a distinctly different effect on the response to alcohol. Manipulating these genetic variants, the researchers generated flies with greater and lesser sensitivity to alcohol's sedative and stimulant effects. The research team also detailed how signaling proteins encoded by the...

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