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Tag: "adult" at biology news

Navigating the brain for sense of direction as paradigm for higher cognitive functions

...d each comparing brain regions in young versus old adult humans. In four different regions of the cortex (the brain region responsible for higher functions such as thinking), they found a similar pattern of age-related change, characterized by changes in expression of hundreds of genes. In contrast, expres...

Carnegie Mellon scientists create PNA molecule with potential to build nanodevices

...d each comparing brain regions in young versus old adult humans. In four different regions of the cortex (the brain region responsible for higher functions such as thinking), they found a similar pattern of age-related change, characterized by changes in expression of hundreds of genes. In contrast, expres...

Gene increases risk of tuberculosis

...is note that this is the largest genetic impact on adult TB that has ever been described. ...

Researchers show key protein necessary for normal development of red blood cells

...d the switch from the embryonic globin gene to the adult beta-globin gene has clinical relevance to treatme...ollowed by the gamma-globin genes, and finally the adult form, beta-globin takes control following birth. Lloyd and Priyadarshi Basu, Ph.D., lead investigat...

Wild Gorillas Handy with a Stick

...quently visit to forage, Breuer et al. observed an adult female gorilla named Leah (a member of a long-stud... support.?/p> In a separate incident, a second adult female named Efi (who belonged to a different group) emerged from the forest and broke off the thin,...

Federal grant funds research on novel HIV therapy

...ce research, animal studies and clinical trials in adult patients, the new grant focuses on a potential Achilles' heel in the human immunodeficiency virus: sites on immune cells known as neurokinin-1 receptors. In focusing on those sites, researchers hope to achieve a triple benefit: fighting HIV by blocki...

Changes to embryos can elicit change in adult fish

...e in an embryo can lead to physical changes in the adult fish. The results appear in the November 11, 2005 ...that important functional differences operating in adult organisms are elicited by changes in early development. Our next goal is to understand the genetic b...

Brainstem blocks pain to protect key behaviors

...gue Hayley Foo, research associate in NPP, studied adult male rats in containers with a wire mesh floor that enabled them to deliver radiant heat to one hind paw. The heat caused no damage but was annoying enough to make the animal withdraw that paw within seconds. When the rats ate, however, they pos...

WWF peeks into mysterious life of Borneo's pygmy elephants

...s live in matriarchal societies, WWF collared only adult female elephants so that each elephant collared represents a whole herd's movements.„X The elephants' diet consists of at least 162 species of plants (in 49 families), including several dipterocarp tree species. This was determined during field track...

From one cell, many possible cures

...cal device that will allow stem cells derived from adult bone marrow to be grown in sufficient quantities t...hat is designed to mimic conditions encountered by adult stem cells within the human body. The reactor bathes stem cell samples in a protein-rich liquid whil...

Feds give researchers ok for safety test of adult stem cells in patients with heart disease

...s to begin a study to evaluate the safety of using adult stem cells from bone marrow to treat chronic ischemia, a serious form of heart disease. The FDA has approved a Phase I study designed to test the safety of the procedure. It will involve injecting bone marrow stem cells at varying doses into the co...

USC researchers track down the stem cells that create feathers

...a lot of active, ongoing regenerative events in an adult bird. Chuong and his USC colleagues identified ep...le the bilaterally symmetric feathers found on the adult wing are designed for taking flight. What Chuong and his colleagues found, to their surprise, was ...

OHSU discovery sheds light into how stem cells become brain cells

...eted at promoting stem cell differentiation in the adult nervous system." While much more research needs to be conducted, the scientists believe these findings could play a role in the development of therapies to combat a variety of diseases and conditions. For instance, Parkinson's disease is related to...

Bacteria that cause tooth decay able to survive without important biochemical pathway

... for Disease Control and Prevention, 95 percent of adult Americans suffer from tooth decay. Considered by the U.S. surgeon general to be a "silent epidemic," tooth decay is a chronic childhood disease that affects five times more children than asthma and is estimated to result in 51 million lost school hou...

HIV-infected adults in Botswana respond positively to ARV therapy public treatment program

...gh 2007, making it the largest and longest running adult ARV treatment research study in the region. ...

New Therapeutic Target Identified In Inherited Brain Tumor Disorder

...gh 2007, making it the largest and longest running adult ARV treatment research study in the region. ...

Largest computational biology simulation mimics life’s most essential nanomachine

...gh 2007, making it the largest and longest running adult ARV treatment research study in the region. ...

Forgotten by evolution?

...Molecular and Cellular Biology, that at least some adult stem cells could be the mere remnants of former em... could be the case that at least some of the known adult stem cell types are "only" the rudiments of earlier embryonal differentiation processes, or even dis...

Argonne researchers confirm lead in Beethoven's illness

... teens and early 20s that persisted throughout his adult life. His abdominal symptoms and autopsy findings are both consistent with lead poisoning, Walsh said. There have been documented cases of deafness resulting from lead poisoning, but this has been a relatively rare occurrence. There is no solid evid...

Interactive 3-D atlas of mouse brain now available on web

...s database consists of 3-D anatomical data from 10 adult male mice of the strain C57BL/6J, and contains data on 20 segmented structures, including variability of brain structures across the strain, and downloadable visualization tools. The research that makes up this database was published as a cover arti...

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