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Tag: "possibly" at biology news

Interaction between lymph and liver cells may affect immune response

... an unusual ability to stimulate immune tolerance, possibly due to its distinctive architecture that allows T cells normally activated in the lymph system to become activated by liver cells. Normally, endothelial cells that line blood vessels form a physical barrier that prevents naïve (unactivated) T cells f...

Invasive ants territorial when neighbors are not kin

...nia arose from separate introductions of the ants, possibly in the soil of plants used in landscaping. They hope that a better understanding of how the ants distinguish kin from non-kin, and the mechanisms that prevent gene flow between colonies, might lead to more effective ways to control the ants. That ...

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

...if given up to 24 hours after first infection (and possibly longer). Existing vaccination methods depend on ...ts when given up to 24 hours after infection (and possibly longer). It is thus able to counter an actual infection. It could therefore also be used as a treatm...

Good times ahead for dinosaur hunters, according to U of Penn scientist's dinosaur census

...leontologists will find all the fossils that could possibly be found. Dodson and Wang's analysis also offers evidence that dinosaur populations were stable before the extinction event that ended their reign of global dominance. Dodson, however, warns that the picture of the fossil record at the time of exti...

Transplanted photoreceptor precursor cells restore visual function in mice with retinal degeneration

...new insights in repairing damage to the retina and possibly other parts of the central nervous system." Drs. Ali, Swaroop and their colleagues report that the transplanted cells in diseased mouse retinas have met several essential requirements: the cells survive; correctly develop into rod photoreceptor...

Learning during sleep?

...indings, the areas of the brain work together, but possibly in a different way from that previously assumed. "This is a technically sophisticated study which could have considerable influence on our understanding of how nerve cells interact during sleep consolidation," confirmed Edvard Moser, Director of the ...

Newly identified biomarker detects and regulates spread of brain tumors

...Knowing that attractin modulates the migration and possibly the recurrence of these tumors makes it a promising target for future therapeutic intervention, says Dr. Van Meir. "Our studies suggest that measuring attractin levels in patients with grades II-IV astrocytoma should be explored further as a potentia...

Rescuing injured hearts by enhancing regeneration

...effects if it goes to places other than the heart, possibly promoting tumor growth, for example. And the p38 MAP kinase inhibitor has been shown to damage the liver. "Every treatment trying to induce proliferation of cardiomyocytes also carries a risk of inducing tumor growth, and thus you have to limit ...

Computer scientists unravel 'language of surgery'

...es to incorporate video data from the da Vinci and possibly from minimally invasive procedures performed directly by surgeons. In such operations, surgeons insert instruments and a tiny camera into small incisions to complete a medical procedure. The video data from the camera could contribute data to the tea...

'Best of both worlds' -- Targeting a single gene could inhibit bone decay and stimulate bone growth

...that targeting the function of a single gene could possibly inhibit bone decay while stimulating bone formation. "We have finally proven the theory that targeting one gene can do both," said Choi. "Now that we have demonstrated a new approach that is theoretically attainable, one that combines the best of...

Air travel and flu: Post-9/11 restrictions delayed start of season

...no flight restrictions. Although other factors may possibly have been involved, the findings suggest that air travel affects both the peak date and the rate of spread of flu. This does not prove that travel restriction would be effective in altering the course of a flu pandemic, but it does provide evidence t...

SARS: No evidence that any of the treatments worked

...vel pathway of autoimmune inflammatory disease and possibly a novel therapeutic strategy." A Perspective article by Andrew Cope, from Imperial College London, discusses the study's findings further. Citation: Hultqvist M, Olofsson P, Gelderman KA, Holmberg J, Holmdahl R (2006) A new arthritis therapy with ox...

Novel mechanism of action of new drug for MS identified

...2 would shut down the entire inflammatory pathway, possibly without the side-effects caused by medications such as Vioxx, that have been withdrawn from the pharmaceutical market. FTY720, a drug developed by Novartis, has shown considerable therapeutic effects in a recent small, placebo-controlled clinical t...

Genetic study of Neanderthal DNA reveals early split between humans and Neanderthals

...mpare humans and Neanderthals genomes, then we can possibly identify what the key genetic changes were during that final stage of human evolution." Another author of the Science paper, Svante Pääbo of the Max Planck Institute, sequenced Neanderthal mitochondrial DNA in 1997 and first suggested that Neandert...

UCLA researchers unravel a mystery about DNA

...in future studies of transcription regulation, and possibly become a focus for antibiotic drug discovery efforts. "These are issues that we were not able to resolve until the development of the single molecule methods that we employed in these studies," Ebright said. "These methods involve detecting and ma...

Nano-devices hold promise for early-stage cancer detection

... products that can be used in a doctor’s office or possibly even at home as part of a regular exam," said Steve Hranilovic, assistant professor of electrical and computer engineering at McMaster. "This would address wait-time and cost issues associated with MRI, CT and other imaging facilities. It would als...

Adolescent but not adult hamsters are more aggressive on low dose of fluoxetine

... is still maturing and, says Taravosh-Lahn, "could possibly react to drugs given to adults in different and potentially negative ways. We need to understand how these drugs will affect the developing nervous system before giving them to children." The neuroscientists explain that because adolescents may h...

Researchers image molecular motor structural changes

...wn syndrome caused by faulty molecular motors, and possibly to the development of new treatments, the researchers said. For example, molecular motors are responsible for dividing genetic material during cell division, and understanding how motors work in cancer cells, which undergo unchecked cellular division...

Single molecular 'mark' seen as pivotal for genome compaction in spores and sperm

...anded DNA in gametes breaks, it can fall apart and possibly reassemble itself in devastating translocations." She notes that normal double-stranded DNA, on the other hand, has the ability to repair breaks in one of its single strands by using the chemical bases in the companion strand as a reference. Bases ...

Microbe fixes nitrogen at a blistering 92 C

...ht have retained the most ancient characteristics, possibly derived from a nitrogenase present in the last common ancestor of modern life," the co-authors conclude in their report. ...

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