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Tag: "are" at biology news

Found: Missing sequence of the human Y chromosome

..., a phenomenon whereby largeportions of the genome are copied during evolution. Segmentalduplications, wh...ing the past 30 million years of primateevolution, are significantly enriched in subtelomeric andpericentromeric sequences, and now comprise approximately ...

U of M researcher examines newly emerging deadly disease

...nsive tissue damage and sloughing of skin. Purpura are skin lesions that may be many centimeters in diame...at the University of Minnesota Medical School. "We are continuing to study and monitor cases of purpura fulminans to better understand the causes and best ...

NYU Study Reveals How Brain's Immune System Fights Viral Encephalitis

...type I interferons--proteins made by the body that are released in response to stimuli, notably infection...n cell culture, the researchers found that neurons are sensitive to the protective effect of interferons, inducing pathways to fight the virus' spread. How...

Study finds more than one-third of human genome regulated by RNA

... mechanisms. "It's exciting to see how many genes are regulated by microRNAs. We nowknow that this type ... protein. These tiny,single-stranded pieces of RNA are newcomers to biological research. Itwasn't until 2000 that researchers even knew that microRNAs exis...

Live Recombinant Adenovirus Vaccine Technique Explored

...he Johns Hopkins Bloomberg School of Public Health are exploring ways to develop new vaccines for a varie...living in the developing countries where resources are limited. Their research was made available online March 14, 2005, in advance of publication in the P...

Marburg virus disease in Angola - update

...Global Outbreak Alert and Response Network (GOARN) are supporting the Ministry of Health, Angola to stren...ns Frontières (Belgium, France, Holland and Spain) are assisting with infection control and establishing isolation facilities in Uige hospital. Experts fro...

Emory Eye Center Implants Its First Retinal Chips In Patients With Retinitis Pigmentosa

...ry recently on five patients. Another two patients are planned for mid-February. "This experimental devi...much better quality of life," says Dr. Aaberg. "We are excited to be able to participate in this clinical trial as part of Emory Eye Center's ongoing resea...

The secret lives of whales

... deep-sea submersibles, and toxicology, scientists are peering into the lives of whales ?past and present...ne and feed on the fats and proteins inside. “They are an example of extreme evolutionary novelty,?says Smith, “a new feeding strategy that scientists neve...

NYU researchers simulate molecular biological clock

... mechanisms. "It's exciting to see how many genes are regulated by microRNAs. We nowknow that this type ... protein. These tiny,single-stranded pieces of RNA are newcomers to biological research. Itwasn't until 2000 that researchers even knew that microRNAs exis...

Dinosaur DNA? New Patent Covers Degraded DNA recovery

...tain useful information scientists at MatrixDesign are able to create a template from which to multiply the genetic material. That process is repeated until the genetic material is substantially representative -- at microscopic levels -- of the species from which the degraded sample was obtained. Dr. En...

Leukemia Drug Breakthrough Study In New England Journal Of Medicine

...al of Medicine. Nearly 90 percent of MDS patients are anemic and require regular transfusions of red cells. In this study, 91 percent of the MDS patients with a chromosome abnormality named 5q minus syndrome became transfusion independent. The defective 5q chromosome abnormality may be linked to other s...

Mitochondrial DNA mutations play significant role in prostate cancer

... theUniversity of California, Irvine. The findings are published onlinethis week in the Proceedings of th...side ofeach cell's nucleus. The mitochondria often are called the "powerhouse"of the cell because they produce about 90 percent of the body's energy.John A...

Gene therapy converts dead bone graft to new, living tissue

...nctions, structural support, even if all its cells are completely dead. A serious problem arises, however... in our bones," explains Schwarz. "Those fractures are normal and healthy, and our bones re-knit them constantly. But when the bone is dead, there is no he...

Antibiotic Resistant Bacterium Uses Sonar-like Strategy to “See?Enemies or Prey

...discovered how thesebacteria know when other cells are present, and respond accordingly.In the laboratory...lls the Enterococcus to makethe toxin. If no cells are in the area, the first substance sticks tothe second, preventing it from reporting back to the Enter...

Researchers reveal the infectious impact of salmon farms on wild salmon

...d the Pacific Northwest as to whether salmon farms are contributing to sea lice infections of wild salmon at all. "Parasites are a key negative side effect of fish farms on the local fish stocks," says Andrew Dobson, an epidemiol...

Molecular machine may lead to new drugs to combat human diseases

...chers froze one of these molecular machines, which are chemical complexes known as a Group I intron, at m...the genetic code. The results of the Purdue study are published in the January issue of the journal Nature Structural and Molecular Biology. "In terms o...

Jefferson Virologists Coax HIV Out of Hiding

...rs to stimulate a group of sub-strains of HIV that are differentthan those brought out of latency by othe...ays. “We’re not sure why only thesecertain strains are affected. We think we’ve found a new population, anew reservoir of HIV that has not been seen before...

Novel Therapy Tested in Mice Could Chase Away Cat Allergies

...mate that 14 percent of children 6 to 19 years old are allergic to cats. The treatment comprises a molecule that loosely tethers a feline and a human protein together. The feline end is the notorious protein (called Fel d1) found in cat dander and saliva that causes so much misery in allergy sufferers. ...

Sea skate experiment sheds light on human cell transport

... these gates up to the cell membrane. The vesicles are inserted into the membrane and a chemical process ...he result: The gates wouldn't open. These findings are published in the current issue of the American Journal of Physiology: Regulatory, Integrative and Co...

Color-blind method opens new doors in DNA sequencing

...equencing, results in smaller DNA fragments, which are then separated base-by-base. Because the DNA fragments are tagged with dyes, they glow when they are struck by laser light to determine the order of one's DNA ...

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