Tag: "shorten" at biology news

Second Breast Cancer Gene Located

...t advances in molecular biology, we have managedto shorten the process for BRCA2 to half that time." The researchers do not yet know whether BRCA2 plays a role in the developmentof sporadic, or non-inherited, breast cancers. "Although important in increasing our understanding of breast canc...

Eating After Exertion May Be A Key To Speeding Body's Recovery

...exercise food consumption,"Layman said. "If we can shorten recovery with dietary treatment afterexercise, then obviously we could enhance performance with it."...

Research Team Discovers Key Gene For Telomerase Enzyme In Humans

...ells do not containtelomerase, and their telomeres shorten with each cell division until theystop dividing. In cancer cells, however, telomerase is thought to grantthe cell immortality by maintaining telomere length so that the cell neverreceives a signal to stop dividing. "Correlation of telomerase...

ASU Professor Helps In Fight To Protect Japanese Pika Habitat

...stretch of pavement is superfluous, as itwill only shorten a current trip to Daisestsuzan by 10 minutes. On any given day, rows of cameras line the snowy banks of Mt. Daisetsu. Amidthe rocky terrain is a colony of pikas scampering about for the dozens, ifnot hundreds, of tourists who come to watch. The newly...

Fully Endoscopic Brain Surgery At Cedars-Sinai Medical Center

...uitary surgery. Dr. Shahinian expects that time to shorten evenmore) Dramatically reduced length of stay in the hospital (At present, about 2 dayscompared to 5 days for traditional pituitary surgery. Dr. Shahinian anticipatesthat within the next two years, this may become a "same-day" surgery.) Less discom...

Common Respiratory Virus Identified As One Cause Of Heart Muscle Damage That Can Lead To Sudden Death

... and old -- and cause heart muscle damage that can shorten life andcause sudden death, according to a study in today's Circulation: Journal of theAmerican Heart Association. The discovery resolves an issue of nearly a decade's standing: whether certainadenoviruses, which normally infect the upper airway, can...

American Red Cross Launches New Genetic Screening Technology To Directly Detect Viruses

...ercent and for HCV, about 41days, which NAT should shorten by 50 to 98 percent. While the Red Cross' testing of NAT focuses on HIV and HCV, the test can betailored for future use to screen for other blood-borne pathogens and for newlyemerging viruses, bacteria or fungi for which genetic material has beeniden...

UT Southwestern Researchers Find Way To Control Gene Activity, Opening Way For Cancer Drugs

...f Chemistry and Biology published today. Telomeres shorten each time the cell divides, 50 to 70 times during the lifetimeof a normal cell. Once the protective tips of DNA are gone, the cells die. Allhuman cells have a gene for telomerase, but it is switched off in normal cells,except embryonic cells, so the ...

Discovery: Chromosomes Found To End In Big Loops

...hromosomes' total DNA. Because chromosomes shorten as people age, many scientist believetelomeres play some unexplained central role in the body's lifelong biologicclock, Griffith said. Thus, telomeres may be some kind of regulator of celldeath. "Very rarely these days in science does a new r...

Reproductive Signals Affect Lifespan In Roundworm C. Elegans, Offering Possible Insight Into Human Aging Process

...als from germ cells - thesperm and egg in humans - shorten lifespan, while signals from the somaticgonads - the part of the reproductive tissue that surrounds the germ cells -lengthen lifespan, sending equal but opposite signals. If the cells that give rise to the germ line are removed, the animals remainyo...

Human Genome Sciences announces the discovery of a novel immune stimulant

...ars. One potential medical use of BLySwould be to shorten the recovery time for such patients. Another potential usemight be to stimulate B cell growth in AIDS patients deficient in B cellproduction. Use as a Vaccine Adjuvant Vaccines work, in part, by inducing the production of antibodies that recognize...

Researchers pinpoint chemical signal that speeds mating process

...University of Chicago. "It alone can significantly shorten the time that apair spends in courtship." The protein, called plethodontid receptivity factor (PRF), is part of acomplex mixture of chemicals that the male salamander uses to stimulate thefemale and encourage her to mate. The male pheromon...

Smell, taste may influence lifespan of the roundworm C. elegans

...ls from germ cells - the sperm and egg in humans - shorten lifespan,while signals from the somatic gonads - the part of the reproductive tissue that surrounds the germcells - lengthen lifespan, sending equal but opposite signals. If the cells that give rise to the germline are removed, the animals remain you...

New study shows immune-enhancing therapy reduces infections and shortens hospital stay by almost three days in critically ill

... therapy) significantly reduce infection rates and shorten the length of hospitalization by almost three days. These are results of a new study published in the December issue of Critical Care Medicine. 1 When patients suffer trauma, major surgery or sepsis (the presence of pathogenic organisms, or...

Scientists issue telomerase caution

...hromosome. In the absence of telomerase, telomeres shorten with each cell division. Eventually, cells stop dividing when they sense that their telomeres are too short to maintain chromosomal integrity. In contrast, telomerase maintains telomere length by adding nucleotides one at a time to existing chromosom...

Cadmium makes brittle bones in Rocky Mt. birds

... kidneys and produces thin, brittle bones that may shorten its life span as well as fragile eggshells that reduce reproductive success. Cadmium is the silver-white metal used to manufacture rechargeable batteries, produce alloys with other metals and electroplate chrome on auto parts and appliances. It ha...

Study on chromosome ends may aid cancer research

...ends of shoelaces. In normal conditions, telomeres shorten each time a cell divides, eventually exposing the genetic material and causing the cell to die. In cancer cells, however, telomerase keeps rebuilding the telomere caps, preventing the cell from undergoing its normal aging process. In 1994, Zakian and...

Virginia Tech teams with US Army on exercise research

...es in the study will be a concentric type (muscles shorten while contracting) or eccentric type (muscles lengthen as contraction occurs due to external force). These allow for different degrees of high but controlled force loading of the muscles and bones during training, and may promote the kind of bone str...

Researchers find key to tuberculosis persistence in the body

...hibits ICL activity or synthesis might allow us to shorten the duration of chemotherapy from six months or more to just a few weeks," McKinney says. "That would have an enormous impact on patient compliance and cure rates." The multidisciplinary project grew out of research that McKinney initiated as a postd...

Measuring the muscle: new study by Scripps researchers depicts how the tuna's body is built for speed

... more uniformly along the body. When their muscles shorten and produce power, the burst is seen as a wave of contraction that causes the entire body to undulate. Tuna, however, contain swimming muscles located primarily in the central part of the body. Tendons that angle to the backbone link the muscle wit...

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