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Tag: "aging" at biology news

Spleen may be source of versatile stem cells

...of SAGE KE , an online resource on the science of aging from the publishers of the journal Science. "Theremay be a previously undiscovered pocket of primitive stem cells in thespleen that are important for healing several types of damage orinjury," says Denise Faustman, MD, PhD, director of the MGHImmuno...

Research on Worms Yields Clues on Aging

...lass of anti-seizure medications slows the rate of aging inroundworms, according to researchers at Washingt...rvationssuggest that the nervous system influences aging processes. Thefindings are reported in the January 14 issue of the journal Science. Theanti-aging e...

Enzyme shown to help protect genomic stability

...chromosomes known as telomeres, has been linked to aging in humans and an elevated risk for aging-related d...portant guideposts for new approaches to retarding aging or treating cancer. Now, an investigation led by researchers at The Wistar Institute has shown that...

Scientists discover the cellular roots of graying hair

...cleis signaling the stem cells that is absent when aging occurs and thestem cells die off? Now we have a mu...hisdeath pathway, thereby using drugs to mimic the aging process, tosuccessfully treat melanoma.?The team also made mice lacking a gene, MITF that regulates ...

Fundamental Finding Yields Insight into Stem Cells, Cancer; Opens Door to Drug Discovery

...cleis signaling the stem cells that is absent when aging occurs and thestem cells die off? Now we have a mu...hisdeath pathway, thereby using drugs to mimic the aging process, tosuccessfully treat melanoma.?The team also made mice lacking a gene, MITF that regulates ...

Weizmann Institute scientists develop a new approach for directing treatment to metastasized prostate cancer in the bones.

...cleis signaling the stem cells that is absent when aging occurs and thestem cells die off? Now we have a mu...hisdeath pathway, thereby using drugs to mimic the aging process, tosuccessfully treat melanoma.?The team also made mice lacking a gene, MITF that regulates ...

Why do insects stop 'breathing'? To avoid damage from too much oxygen, say researchers

... been studied closely for decades, die sooner from aging in a high-oxygen environment." Insects take in oxygen through spiracles -- tubes connected to openings in their sides. In their study, the researchers inserted fine tubes into the spiracles of a moth to measure not only how much carbon dioxide the m...

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

... "cartilage degeneration that normally accompanies aging is accelerated by the absence of growth hormone." The researchers concluded that cancer risk as well as other age-related pathologies could be substantially decreased in these animals by inducing a modest deficiency of growth hormone and IGF-1 early...

Biochemists report discovery of structure of major piece of telomerase; implications for cancer

...the ends of shoelaces, get shorter. In the natural aging process, the telomeres eventually get so short that cells can no longer divide, and they die. While telomerase is turned off in most types of healthy cells in our bodies, it is active in the vast majority of cancer cells, Feigon said. Because cancer...

One gene links newborn neurons with those that die in diseases such as Alzheimer's

...changes in genomic expression related to learning, aging and neurodegeneration, in addition to those that are related to the choreography of replacement itself." "In addition, because we study birds that learn their songs, the story relates to a fascinating, learned behavior, so it offers the opportunity ...

Signs of aging: Scientists evaluate genes associated with longevity

...ucidate gene-expression patterns implicated in the aging process. Their results appear online today in the ...1, and sip-1 were more abundantly expressed in the aging adult worms as compared to the early and mid-life adults. These genes were also differentially expre...

Cellular Defects in Premature Aging Disease are Reversible

...rome (HGPS) -- a disease associated with premature aging -- can be made healthy again, according to finding...disease and might provide insights into the normal aging process. HGPS is a rare inherited disease affecting about one in eight million children. While appe...

UCSD medical/bioengineering reseachers show titanium debris satobtage artificial joints

...acement joints are becoming increasingly common in aging populations, our results explain how such devices fail and suggest that improvements should be made in artificial joint design," said the study's senior author K.L. Paul Sung, Ph.D., UCSD professor of orthopedic surgery and adjunct professor of cellu...

Two chemicals boost immune cells' ability to fight HIV without gene therapy

...of an HIV-infected person prevented the cells from aging prematurely. The telomerase enabled the immune cel... diseases and chronic conditions in which cellular aging plays a role. "I'm really excited by our findings. This progress moves us one step closer to drugs ...

To Stop Evolution: New Way Of Fighting Antibiotic Resistance Demonstrated By Scripps Scientists

... evolution are the underlying causes of cancer and aging as well. "Evolution is not an unstoppable force," says Romesberg. "There is a biochemistry underlying it and it is subject to intervention." The Scourge of Antibiotic Resistance One thing that scientists would like to change about bacteria and can...

Future diabetes drugs may target new protein interaction

... PGC1 also connects processes involved in cellular aging and responding to calorie intake in mammals for th...dy known to help slow processes linked to cellular aging when food is scarce, an effect that extends the single-celled organism's lifespan. "We now know tha...

PHACCS, an online tool for estimating the structure and diversity of uncultured viral communities using metagenomic information

... PGC1 also connects processes involved in cellular aging and responding to calorie intake in mammals for th...dy known to help slow processes linked to cellular aging when food is scarce, an effect that extends the single-celled organism's lifespan. "We now know tha...

Computational verification of protein-protein interactions by orthologous co-expression

... PGC1 also connects processes involved in cellular aging and responding to calorie intake in mammals for th...dy known to help slow processes linked to cellular aging when food is scarce, an effect that extends the single-celled organism's lifespan. "We now know tha...

Eliminate Data Analysis Bottlenecks in Drug Discovery

... PGC1 also connects processes involved in cellular aging and responding to calorie intake in mammals for th...dy known to help slow processes linked to cellular aging when food is scarce, an effect that extends the single-celled organism's lifespan. "We now know tha...

Young Blood Revives Aging Muscles, Stanford Researchers Find

Any older person can attest that aging muscles don't heal like young ones. But it turns o...em cells sit is as important in terms of stem cell aging as the cells themselves," said Rando, who is also an investigator at the Veterans Affairs Palo Alto ...

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