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Tag: "five" at biology news

3-D ultrasound identifies women at risk for impending preterm birth

...s could identify a preterm risk of delivery within five days of the measurement. "Our results suggest t...al gland volume in predicting preterm birth within five days from the time of examination proves that 3-dimensional ultrasound evaluation of the fetal adren...

Common gene version optimizes thinking -- but with a possible downside

...ariants and their functional consequences. Seventy five percent of subjects had the most common version of the gene, which boosted circuit activation, structural and functional connectivity and performance on thinking tasks, likely by increasing gene expression. In 257 affected families, people with schiz...

Africa's first large-scale HIV vaccine study launches

...The trial will involve up to 3,000 participants at five sites throughout South Africa and is expected to continue for four years. The sites are part of the HIV Vaccine Trials Network (HVTN), which is headquartered at Fred Hutchinson Cancer Research Center in Seattle and supported through a cooperative ag...

Chlamydia vaccine a step closer to reality

...ot the answer. It is possible that within three to five years we'll be finished the animal trials and be looking at clinical trials in humans." Professor Timms said Sanofi-Pasteur's funding would allow QUT to evaluate the effectiveness of Chlamydia prevention methods developed at the university, as wel...

Protein fragments sequenced in 68 million-year-old Tyrannosaurus rex

...an existing species. Of the seven T. rex peptides, five were for a particular class of collagen protein, collagen alpha I. The majority of these were found to be identical matches to amino acid sequences found in chicken collagen alpha I, while others matched newt and frog. For extinct species, the rea...

Anxiety disorders surprisingly common yet often untreated

... to sleep, so it is not surprising that one out of five patients who come to a doctor’s office with a physical complaint have anxiety," said Dr. Kroenke, I.U. School of Medicine professor of medicine and Regenstrief Institute, Inc. research scientist. Dr. Kroenke, an internist, is an internationally rec...

Cancer-killing invention also harvests stem cells

...oats the cancer-killing device. Cancer cells have five types of proteins that recognize and bind to TRAIL, but only two trigger cell death. The other three are called decoy receptors. Healthy cells contain a lot of decoy receptors, giving them a natural protection against TRAIL, whereas cancer cells ma...

Molecular differences between early and advanced melanomas could provide new drug targets

...ally and have a survival rate of 98 percent beyond five years, according to the American Cancer Society. But when melanomas grow downward, the tumors become highly resistant to chemotherapy and radiation and the five-year survival rate falls rapidly, to 64 percent if the disease has reached the lymph node...

New species of snapper discovered in Brazil

... remains largely unknown. Moura and Lindeman spent five years observing Lutjanus alexandrei to analyze its characteristics and determine the distinct features. It occurs from the state of Maranhão to the southern coast of the state of Bahia, and its habitats include coral reefs, rocky shores, coastal l...

Rapid, Low-Cost DNA Testing

...nutes, and it costs approximately $0.05 (literally five cents) per test. The capital expenditure to set up a lab with the new technique is only $600. Here's how Professor Rothberg's procedure is done: Step 1. Hybridization. This takes 10 seconds and costs $0.025. Step 2. Add gold colloid to the h...

Early-stage sperm cells created from human bone marrow

...he laboratory and this should take around three to five years of experiments. I’ll be collaborating with other NESCI scientists to take this work forward. Prof Nayernia says a lengthy process of scientific investigation is required within a reasonable ethical and social framework to be able to take thi...

New study sheds light on 'dark states' in DNA

...st time it has been shown to exist in three of the five bases of the genetic code -- cytosine, thymine and uracil. The detection of this dark state in single bases in solution increases the chances that it may be found in the DNA double helix, said Bern Kohler, associate professor of chemistry at Ohio S...

Autism gene identified by researchers at Yale working with a global research consortium

...inted. Researchers speculate that there may be five or six major genes and as many as 30 other genes involved in autism. If a child has more of these genes, there is a higher chance of being born with autism or a more severe form of the disease. Autism is a complex brain disorder that inhibits a p...

Indicators for risk of heart disease are higher in passive smokers

...dy translate into an increase in a disease risk of five per cent, although the combined effect due to other processes is likely to be closer to 30 percent, Dr Venn said. "Even when participants weren't exposed to smoke at the workplace or at home, many had low or high levels of cotinine in their blood,...

Surgeons develop simpler way to cure atrial fibrillation

...t atrial fibrillation, those with the disorder are five times more likely to suffer from stroke and have up to a two-fold higher risk of death. For some patients, medications can control the abnormal heart rhythms and the risk of clotting associated with atrial fibrillation, but unlike the Cox-maze proced...

Cartilage discovery offers arthritis hope

... be treated. The disease, which affects more than five million people in the UK, is caused by the wear and tear of the smooth, hard cartilage tissue that covers the ends of bones allowing them to glide over one another at the joint. Scientists have long known that cartilage gets its strength from inter...

Scientists sequence genome of parasite responsible for common sexually transmitted infection

...toms in both men and women generally appear within five to 28 days of exposure to the parasite. Both m...omoniasis may deliver a low birthweight (less than five pounds) or premature infant. Although the prescription drugs metronidazole and tinidazole usually cu...

New molecular pathway could reveal how cells stick together

...eneral Medical Sciences, is for $ 1.4 million over five years. "We're trying to figure out how it works in whole flies," Page-McCaw said. "When you take a cell out of the organism it behaves a little bit differently. So while you can work out cell mechanisms in cell culture, then you want to go back an...

Massey researchers induce cell death in leukemia

...S), were examined in human CLL cells isolated from five patients. Bortezomib dramatically potentiated the lethality of both agents in cells from four of five patients, while exerting additive effects in cells from one patient. Notably, pronounced lethality w...

20-year study shows significant rise in childhood obesity, especially among girls

... than they were 20 years ago and ten-year-olds are five times more likely, according to research published in the April issue of Acta Paediactrica. Swedish researchers who studied BMI figures for more than a thousand children over two decades discovered that obesity levels had risen significantly among y...

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