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Tag: "along" at biology news

Scientists re-grow dental enamel from cultured cells

...l epithelial cells onto collagen sponge scaffolds, along with cells from the middle of the tooth (dental mesenchymal cells). The scaffolds were then transferred into the abdominal cavities of rats, where conditions were favorable for the cells in the scaffolds to interact and develop. When removed after 4 ...

Scientists unravel clue in cortisol production

... 17. What happens next is well understood; CYP 17, along with a battery of other enzymes, transforms choles.... So, graduate students Eric Dammer and Adam Leon, along with Marion Sewer, assistant professor in Georgia Tech's School of Biology, decided to model the eve...

Biologically inspired sensors can augment sonar, vision system in submarines

..., fish rely on a row of specialized sensory organs along the sides of their bodies, called the lateral line. Now, a research team led by Chang Liu at the University of Illinois at Urbana-Champaign has built an artificial lateral line that can provide the same functions in underwater vehicles. "Our develop...

Viral protein is an effective preventative against infection

... which kill many of the body’s beneficial bacteria along with the disease-causing ones they target, lysins are highly specific. Each lysin will only kill a specific type of bacteria, leaving the body’s normal flora untouched. "We knew from our previous experiments that if you treat an animal infected or...

Adding radiation decreases breast cancer recurrence

... breast conserving surgery with radiation therapy, along with adequate duration of adjuvant hormonal therapy for hormone-responsive tumors, be considered standard therapy in women of all ages and comorbidities, excepting those with very limited life expectancies." ...

In presence of fragrant cleaning products, air purifiers that emit ozone can dirty the air

...ne-emitting air purifier in the middle of the room along with a large fan to better mix the air. At timed intervals, limonene vapor was injected in the room. Samples of the air were taken about one meter from the purifier and analyzed for ozone and particulate matter levels. The researchers tested two t...

Liposuctioned fat stem cells to repair bodies

...n to their epigenetic marks. Cells can’t be pushed along to become a different cell type unless they start out with the right set of [epigenetic] conditions." It is a complex area but one that is loaded with promise. "Everyone is talking about epigenetics," says Collas. If he has his way, people may soo...

1/3 of sexually active older adults with HIV/AIDs has unprotected sex

...graduate student Travis Lovejoy, who led the study along with Ohio University health psychologist Timothy Heckman. “What we don’t know yet is whether these individuals are in a monogamous relationship with someone else who is HIV positive and believe there is no risk of infection.? The study also found t...

Army research mission focused on autism

...ns, who are leaders in the ASD research community, along with leaders of national advocacy organizations were invited to shape the focus of the ASDRP. "This is a very unique opportunity to allow the scientists and advocates to focus on a common cause, improving the lives of children with autism, to prod...

Scientists discover new species of distinctive cloud-forest rodent

...k and Biosphere Reserve Mountains in Southern Peru along the eastern slope of the Andes. Extending from lowland tropical forests in the Amazon Basin to open grasslands above the Andean tree line, Manu is home to more species of mammals and birds than any equivalently sized area in the world. "Like other...

Fruit fly gene research may shed light on human disease processes

...ntain different units of inheritance called genes, along with proteins that help to activate these genes un...s." Erickson points out that flies have evolved along with humans and that the two species are "close." Although he is quick to point out that the gr...

Volcanic eruptions, ancient global warming linked

...ation of a link between massive volcanic eruptions along the east coast of Greenland and in the western Bri...ws and heating of organic-rich sediments in basins along the east Greenland margin were responsible for the global warming and changes in ocean chemistry. ...

Immunization rates hit record high in poor countries

...osystem down as they fall. In cool hollows and along shady mountain streams the hemlock has grown for m...oaring to over 150 feet. With a range from Alabama along the Appalachians into the Canadian Maritimes, its shaggy crown creates a blueish green haven unmista...

New test helps identify hepatitis C patients at high risk of developing cirrhosis

...nt includes weekly injections of alpha interferon along with the drug ribavirin, which can cost more than $30,000 per year and can cause flu-like symptoms, nausea, depression and other side effects. And only half of patients undergoing this therapy will be cured of the infection. Nearly 4 million Am...

Scientists reveal structure of gateways to gene control

... "read," the sequence of base-pair building blocks along the DNA of each of the H2A.Z nucleosomes. The scientists then pinpointed the original location of the H2A.Z nucleosomes by matching the sequence of each one with the identical sequence on the previously published yeast genome. "Obtaining the exact ...

Fungal factories may save hemlock forests

...osystem down as they fall. In cool hollows and along shady mountain streams the hemlock has grown for m...oaring to over 150 feet. With a range from Alabama along the Appalachians into the Canadian Maritimes, its shaggy crown creates a blueish green haven unmista...

CSIRO imagery shows Outer Great Barrier Reef at risk from river plumes

... the outer reef and, in some instances, travelling along the outer reef and re-entering the reef. The plumes are the result of heavy rainfalls in northern QLD around late January to early February 2007, with the resulting flood waters carrying a larger sediment load than during regular rainfall and riv...

Genes and genius: Researchers confirm association between gene and intelligence

...." Dick's team comprehensively studied the DNA along the gene and found that several variations within ... recent Dutch study looked at three regions of DNA along the gene and also noticed influences on intelligence. In this new study, however, researchers tested...

Brain works more chaotically than previously thought

...that the neurons release their chemical messengers along the entire length of these extensions and, in this... Axons are long cable-like projections of the cell along which the electrical signals pass until they meet, at a synapse, the dendritic arm of another neuron...

Cholera pathogen reveals how bacteria generate energy to live

...ss, Barquera attached labels at significant points along the length of the protein and then determined whether these labels appeared inside or outside the envelope of the cell membrane. The results showed that the cofactors ?important parts of the enzyme’s machinery ?are all located on the inner side of th...

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