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Tag: "comparable" at biology news

Man and mouse share genome structures

...s, because the methylation patterns are similar in comparable portions of the mouse genome. Until now, they'd been missed by more standard genome analysis tools. Most exciting to Bernstein is the unusual density of histone tags spread over the regions of genome containing the HOX genes, which are key regulator...

Gene therapy converts dead bone graft to new, living tissue

...e only alternative available ?a donated section of comparable bone from a cadaver. The new splint of bone is then literally screwed into place, giving the patient most of the strength and support of the original bone. Bone, unlike any other tissue in the human body, can still perform one of its functions, struc...

Novel Therapy Tested in Mice Could Chase Away Cat Allergies

...?to cats: their reactions to cat allergen would be comparable to reactions in a cat-allergic person. Scientists injected some of these mice with GFD, and then injected cat allergen into the windpipes of all the mice, including a control group that was not allergic to cats. GFD damped asthma-like and other aller...

Study: Soap And Water Work Best In Ridding Hands Of Disease Viruses

... are, respectively, a harmless bacterium and virus comparable to, and substituted for, disease-causing organisms. After that, scientists had the subjects clean their hands with various agents and measured how much of the bacteria and virus remained afterwards. Sixty-two adults volunteered for and participated ...

Development of portable infectious disease detector

...the home to measure sperm motility with anaccuracy comparable to laboratory analyses."I'm thrilled at how well t...s. Theresulting device is considerably larger than comparable lab-on-a-chipsystems but it is also much less expensive. "That's one of theappealing features about ...

Simple drug has the potential to save many lives threatened by malaria

...re malaria. They found the two treatments broadly comparable and suggest that rectal artemether could be used to treat severe malaria where qualified staff and equipment for intravenous therapy is not available. These are encouraging results, say experts in an accompanying editorial. Although a single trial o...

Bone Density Recovers After Teens Stop Injected Contraceptive

...ng DMPA, their bone density can increase to levels comparable to those of other women in their age group,?said Duane Alexander, M.D., Director of the NICHD. The study authors wrote that 10 percent of U.S. female adolescents from 15 to 19 who are using birth control use DMPA, as compared to 3 percent of U.S. wo...

Vampire bats keep out of trouble by running

...g -- the bats run more like a small gorilla than a comparable four-legged creature like a mouse. They run up to about 2.5 miles per hour. Although many of the 1,100 species of bats are known to walk, the common vampire is the only one so far to pass Riskin and Hermanson's treadmill test and break into a running...

First frozen egg baby born in Canada

...ticularly encouraging because this success rate is comparable to regular IVF cycles with ICSI using fresh eggs in many IVF centres," says Dr. Tan. Egg freezing is useful for a number of reasons. "The process enables young women diagnosed with cancer to preserve their fertility before undergoing chemotherapy an...

Technique may allow cancer patients to freeze eggs, preserving fertility before starting treatment

... ICSI, with a live birth rate of about 30 percent, comparable to conventional IVF when eggs are not frozen. The fertilization and birth rates for vitrified eggs are similar to the rates for control eggs that were not vitrified. For egg freezing to work, it must be a mature oocyte, which means a woman must have...

Study: 'homemade' gene expression technology unreliable

...and common sets of procedures are able to generate comparable data. "The important point of the three papers is that with contemporary microarray platforms, we have a relatively reliable method with which to assess gene expression, we can do so reproducibly within an individual laboratory, and we can be confid...

Findings have implications for tracking disease, drugs at the molecular level

...n T. Fourkas have demonstrated that gold particles comparable in size to a molecule can be induced to emit light so strongly that it is readily possible to observe a single nanoparticle. Fourkas, in collaboration with postdoctoral researcher Richard Farrer and BC undergraduates Francis Butterfield and Vincent C...

Researchers make surprise discovery that some neurons can transmit three signals at once

...l phase in the developing rat brain, a time period comparable to three months gestation in a human, when neurons are meticulously organizing and self-selecting to assemble into specific brain structures and neuronal networks. It has long been known that a specific receptor for glutamate, the NMDA receptor, play...

Thai spice helps cut blood sugar swings

...nslate into humans. Care must be taken because the comparable dosage we use in rats is probably way too high for humans," he added. The 'South Beach' inference; speculation about HCA's potential in diabetes One of the tenets of the successful "South Beach Diet" is to reduce and slow sugar absorption. In his f...

Research shows smoking adds a decade to reproductive age of IVF patients

...after IVF. Smoking has a devastating impact. It is comparable to adding a decade to the reproductive age of a 20-year-old. This means it makes her the equivalent of a 30-year-old non-smoker in reproductive terms. "However, it also indicates that subfertile couples may help their chances of successful treatment...

Columbia study shows widely used artery clearing device does not help patients during heart attack

...hin six months of the heart attack, patients had a comparable frequency of major adverse cardiac events regardless of whether or not they received the treatment. The study also measured the size of the heart attacks by measuring the uptake of a tracer in the heart, and found that there was no difference for pa...

Major new UNC-based drinking water study suggests pregnancy fears may be overstated

...s and municipalities, he said. If possible, future comparable studies ought to include methods for determining actual exposures to purification byproducts more accurately. "We also looked at exposure to these chemicals in relation to preterm births and did not find an association," Savitz said. "If anything, w...

Antiretroviral Therapy May Prevent HIV Transmission From Breastfeeding Mothers To Infants

...tum, and 25 women from an earlier time period with comparable HIV disease, who did not receive antiretroviral therapy because it was unavailable to them at the time they were breastfeeding. The results indicated that antiretroviral therapy suppresses HIV RNA in breast milk and may therefore reduce mother-to-ch...

Study of energy and health in Africa focuses spotlight on charcoal and forest management

...earchers' analysis shows that charcoal can provide comparable health benefits of 1 to 2.8 million avoided deaths. However, scenarios that forecast large shifts to charcoal without improvements in harvesting and production would lead to severe increases in greenhouse gas emissions, they said, with over 15 billio...

Open Access journals get impressive impact factors

...ormatics journal, and already has an impact factor comparable to that of Bioinformatics (5.74), the most established journal in the field, which has been publishing for more than two decades and is supported by a major society. BMC Genomics enters the Journal Citation Report with a respectable 3.25. This puts ...

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