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Tag: "adult" at biology news

Spleen may be source of versatile stem cells

...rs discovered that the spleen might be a source of adult stem cells that could regenerate the insulin-produ...rs of thesame team now report that these potential adult stem cells produce aprotein previously believed to be present only during the embryonicdevelopment o...

Source of molecular triggers in cutaneous T cell lymphoma identified

...of malignant lymphocytes. CTCL is the most common adult malignancy of T lymphocytes, the white blood cells of the immune system. Finding CTCL triggering factors has been a major goal of Richard L. Edelson, M.D., Director of the Yale Cancer Center, and professor and chair of dermatology at Yale, since he a...

W.M. Keck Foundation funds study of friendly microbes

...nome Project missed 99 percent of the genes in the adult body. That's because it didn't sequence genes belonging to the vast communities of bacteria that normally live on and in us. Now a $1.45 million grant from the W.M. Keck Foundation to researchers at the School of Medicine will help fill this gap by ...

Newly-discovered class of genes determines ?and restricts ?stem cell fate

Research on adult stem cells found in the skin hints at a new class ...igments in the skin and hair ?is also expressed in adult stem cells in the skin. "Our findings told us that a recapitulation of an embryonic program is occu...

Recent breakthroughs in common adult leukemia highlighted in New England Journal of Medicine

When the most common adult leukemia in the United States was last reviewed by the New England Journal of Medicine (NEJM) in 1995, it was seen through the eyes of theories that dated back to the 1960s. As such, the journal recently invited three of the world's foremost experts ...

Researchers reveal the infectious impact of salmon farms on wild salmon

...or the breeding and spread of sea lice amongst the adult fish. For the migrating wild salmon, the farm is a...ypically have to contend with sea lice because the adult salmon are far out at sea and are widely dispersed. By the time the migrating pinks and chum normall...

Elephants imitate truck noises, other animals

...m sounds made by other normal calf, adolescent and adult African elephants and very similar to recorded sounds that were common in the auditory environment of the subjects of this study. Spectrogram analyses of the audio frequency of the imitations were nearly perfect matches to the original sounds. Mlaik...

Elephants imitate sounds as a form of social communication

...m sounds made by other normal calf, adolescent and adult African elephants and very similar to recorded sounds that were common in the auditory environment of the subjects of this study. Spectrogram analyses of the audio frequency of the imitations were nearly perfect matches to the original sounds. Mlaik...

Deficiency of growth hormone and IGF-1 reduces cancer and kidney disease, but creates other problems

... compound, IGF-1 (insulin-like growth factor 1) on adult rats and found paradoxical effects, according to William E. Sonntag, Ph.D., professor of physiology and pharmacology at Wake Forest University Baptist Medical Center and the lead investigator. "Things that happen when you are an adolescent may have ...

NIAID Initiates Trial of Experimental Avian Flu Vaccine

... overdue for another one. The VTEUs now enrolling adult volunteers are * University of California at Los Angeles (Joel Ward, M.D., Principal Investigator) * University of Maryland School of Medicine, Baltimore, MD (James Campbell, M.D., P.I.) * University of Rochester School of Medicine and D...

First real-time view of developing neurons reveals surprises, say Stanford researchers

...ining with other neurons before they take on their adult role. But after using new technology for the first...s, then refine their role over time so that in the adult fish the neurons only respond to images moving in a certain direction or near the left or right side...

NJIT Presidential Award winner takes stem cell research another step

...mpaired bones will not properly heal. She is using adult stem cells, in combination with allografts ?donate...the eye of the White House? First, she works with adult stem cells taken from adult bone marrow. So the controversy over the ethical implications of embryon...

Bird Brains Show How Trial and Error May Contribute to Learning

The adult male zebra finch knows only one scratchy tune lear... known, a young bird cannot learn its song, but an adult bird can sing its song without that region of the brain. A postdoctoral fellow on another project ha...

Falling ants glide back to trunk to avoid dangers of forest floor

... from water-filled tree cavities and also collects adult females who've had a recent meal of blood ?his own. He and Dudley are applying for grants to do a more systematic survey to see how common gliding is among the hundreds of species of canopy ants as well as other insects that live in the trees, and t...

UF Researchers Map Bacterial Proteins That Cause Tooth Loss

... and Craniofacial Research estimates 80 percent of adult Americans have some form of periodontal disease, their symptoms ranging from mild gum irritation to complete tooth loss. People with periodontal disease also are at increased risk of stroke and heart attack, and the disease makes it difficult to con...

Chemists identify key gene in development of type 1 diabetes

...ess common than type 2 diabetes, formerly known as adult onset or non-insulin-dependent diabetes, which is often associated with obesity. "We've shown that the MIF gene is crucial for the development of type 1 diabetes," says study leader Yousef Al-Abed, Ph.D., a chemist at the Institute for Medical Resea...

Towards precise classification of cancers based on robust gene functional expression profiles

...ess common than type 2 diabetes, formerly known as adult onset or non-insulin-dependent diabetes, which is often associated with obesity. "We've shown that the MIF gene is crucial for the development of type 1 diabetes," says study leader Yousef Al-Abed, Ph.D., a chemist at the Institute for Medical Resea...

Rats infected as newborns grew up vulnerable to memory problems during an immune challenge

...time infection as newborns didn't learn as well as adult rats who were not infected as pups, after their im...ected 32 different neonatally infected and control adult rats with salt water or with bacterial LPS. Two hours later, they euthenized the rats and checked br...

UCLA launches $20 million stem cell institute to investigate HIV, cancer and neurological disorders

...Cell Biology and Medicine to conduct embryonic and adult stem cell research that may lead to better treatme...search universities, UCLA has long been engaged in adult and embryonic stem cell research with activities in areas ranging from the AIDS Institute to the Bra...

Researchers devise way to mass-produce embryonic stem cells

...ts. While this bioreactor could be used to produce adult stem cells, the researchers chose to look solely a...hey can become any kind of cell in the body, while adult stem cells usually develop into a type of cell based on the kind of tissue that they originated from...

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