Tag: "routine" at biology news

Hypothermia helps brain heal after cardiac arrest, finds University of Pittsburgh study

... Callaway and colleagues are already beginning the routine cooling of cardiac arrest patients who are brought to the emergency department at UPMC Presbyterian, UPMCs flagship hospital....

Cadmium studies suggest new pathway to human cancer

... way by inhibiting the ability of cells to repair routine errors made when the DNA is copied to make new cells. Without the repairs, cells mutate "dramatically" and multiply. The studies were done in yeast cells the living cells used to make bread rise which have proved a useful tool for s...

Scientists find potential stem cells in amniotic fluid a new source?

...the researchers examined amniotic fluid taken from routine diagnostic amniocentesis on pregnant women. Genetic tests on 11 independent samples revealed Oct-4 mRNA (messenger RNA) in five of the samples. They went on to test for further indications of their potential and identified stem cell factor (a growth ...

Is there a benefit to having been vaccinated against smallpox as a child?

... and those who haven't," Frey said. Frey said that routine smallpox vaccinations stopped during the early 1970s after the disease was certified as eradicated by the World Health Organization. "Many adults in the United States received the smallpox vaccine as children, so we conducted this study to see if the...

Newly invented Endometrial Function Test (EFT®) solves the puzzle of unexplained infertility

...curately assess endometrial health compared to the routine examination that is done by pathology laboratories. "These findings will help women who have difficulty conceiving become pregnant at a reduced cost," said Kliman who likens the endometrium to soil and the embryo to a treasured plant. "Soil has to be...

Canadian-led study identifies which colon cancer patients benefit from chemotherapy

...his genetic mutation could easily become a regular routine during diagnosis, with the results being used to direct the rational use of chemotherapy in colon cancer. "Undergoing chemotherapy is not an easy decision. Side effects can include sore throat and mouth, tiredness, increased risk of infection, and i...

In men chronically exposed to magnetic fields, no disruptions of melatonin exists

... of daily life, from lighting to heating and other routine household applications of electricity. Past experimental studies of rats exposed to electric or magnetic fields have found a diminution in melatonin secretion. The importance of the length of magnetic field exposure in this inhibitory effect suggest...

From studies of a rare human mutation to new approaches to herbicides or antibiotics

...oxygen in the blood. A September 1999 report of a routine screen of newborn infants for metabolic defects identified a new mutation in PBGS, termed F12L, that causes the enzyme to lose activity, as reported by Shigeru Sassa, M.D., Ph.D., of Rockefeller University and co-authors in the British Journal of Hae...

Chlamydia infection prevalent among female army recruits

...re of great concern, and the Army should implement routine screening of its female recruits at entry into the military to protect their health," says Charlotte Gaydos, Dr.P.H., associate professor of medicine at The Johns Hopkins University School of Medicine and lead author of the study appearing in the Jul...

Brain links non-food images with eating -- But only when hungry, study suggests

...be going on in certain eating disorders, where the routine brakes on the whole system are tweaked somehow, so they're no longer responding to normal cues," said Gottfried. For their Science study, the scientists used brain imaging on a group of 13 hungry human volunteers. The experiments involved an initi...

NSF awards $68 million for new engineering centers

...entially, the center will provide a foundation for routine microscopic observations and manipulations at the nanoscale in times measured in femtoseconds. Researchers will explore new sources for coherent light generation in the EUV spectral region, as well as sophisticated optical components and detection s...

Ki-67 biomarker a strong predictor of outcome for prostate cancer patients

...istent threshold for the application of Ki-67 on a routine basis has not been previously established. In this study, when greater than 7.1% of the tumor cells stained for Ki-67, there was a significantly increased risk of distant metastasis and death due to prostate cancer. Furthermore, Pollack adds, Ki-6...

UK science research to beat breast cancer

...t are very expensive and therefore impractical for routine clinical use. This project will improve understanding of the potential for a simpler mechanism based on atoms with high atomic numbers ("Z atoms"). The overall aim is to inform future development of what could be a highly effective type of radiothera...

Pack rat middens give unique view on evolution and climate change in past million years

.... "Our study suggests that species adapt to handle routine climate change, and only something out of the ordinary initiates significant evolutionary change. It takes a long time for a species to change, and even the major climatic change 800,000 years ago wasn't dramatic enough to cause the origin of a new s...

Anti-platelet drug blocks bone metastases in mice

...that normally break down the materials in bone for routine replacement. Scientists suspected that osteoclasts aid tumors' destruction of bone because they can make acid, an essential ingredient for breaking into bone. Suzanne Bakewell, a Ph.D. graduate student in Weilbaecher's lab, led a series of experiment...

US crackdown on bioterror backfiring

...old that labs in one state are no longer reporting routine incidents of animals poisoned with ricin, a deadly toxin found in castor beans, for fear of federal investigation. And if any terrorist ever does make off with dangerous bacteria, it will be a brave scientist who tells the FBI. As one put it: "I don...

Newborn screening for certain genetic disorders has benefits and some drawbacks

...ccording to background information in the article, routine newborn screening is required practice for newborn care throughout the United States. Traditionally, testing for various disorders required a separate test, but now with a measuring device called the tandem mass spectrometry, biochemical genetic scr...

People with undetermined muscle/bone pain tend to be severely vitamin D deficient

... was 'all in their head.' This study supports more routine testing for vitamin D deficiency. "This pain is the most common type of complaint seen by primary care doctors. Patients with this type of pain should be tested for vitamin D deficiency," says Plotnikoff. Vitamin D deficiency is associated with sig...

Atkins diet may reduce seizures in children with epilepsy

...ns diet and seizure control should not lead to its routine use in children with epilepsy, nor at this point should the Atkins diet be used to replace the ketogenic diet the rigorous high-fat, low-carbohydrate diet already proven to reduce or eliminate difficult-to-control seizures in some patients. The comm...

Researchers identify key player in respiratory memory

...reath and then release it. If for some reason this routine is interrupted - oxygen levels are low or airways are blocked, for example - our bodies respond accordingly. In the case of oxygen deprivation, the nerve cells in the brain send messages to motor neurons along the spine, which then tell certain muscl...

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