Other highlights in the June 15 JNCI
...rsity of California, San Francisco, and colleagues obtained anal cytology and behavioral data from 1,262 HIV-negative men ages 18 to 89 in four U.S. cities: Boston, Denver, New York, and San Francisco. The prevalence of low-grade and high-grade precancerous lesions was 15% and 5%, respectively, and did not ch...Exposure to sunlight may decrease risk of prostate cancer
...f prostate cancer," they said. The scientists also obtained a sun exposure history from each participant so they could track outdoor activity. "Reduced risk of advanced prostate cancer was associated with high sun exposure determined by reflectometry and high occupational outdoor activity," they said. "Furt...Silenced gene suggests greater risk, possible marker for African-Americans with prostate cancer
...ophy, or enlarged prostate. All Asian samples were obtained from Shimane University Hospital in Izumo, Japan; all Caucasian and African-American samples were obtained at SFVAMC. From each sample, the researchers took DNA, amplified it using polymerase chain reaction ...Self-correcting embryos could be an ethically acceptable source of embryonic stem cells
...1." Good quality, normal embryonic stem cells were obtained initially from one of the normalised cultures, and more are being developed. So far no stem cells from completely abnormal embryos have been developed. Although the mechanism by which the embryos self-corrected their abnormalities was not clear, Dr M...New method of obtaining embryonic stem cells could reduce embryo wastage
... line. From a control group of 51 blastocysts, she obtained nine ESC lines. Dr Takeuchi, also from the Center for Reproductive Medicine and Infertility, told the conference: "This showed that it was possible to isolate and culture blastomeres that were capable of developing into any type of cell, including st...Eggs from embryonic stem cells could benefit sterile women
...production and Embryology. "At this stage the eggs obtained from the process are at an early stage of development," Dr Lacham-Kaplan said. "Further studies are required to explore whether they're normal and able to mature and participate in fertilisation and embryo development." Dr Lacham-Kaplan's ultimate go...Imprinting disorders and ART world's largest study results are reassuring
...K who were in support groups for the disorders and obtained family histories and details of whether or not they had had ART, and if so, which kind. Out of 82 replies from families who had had a child with BWS, 10 had used ART in order to conceive (12%). Families with children with TND, AS, and PWS were al...Fruit fly helps reveal the secrets of the fragile-X-syndrome
... now propose to study this result, which they have obtained in fruit flies, in mice models. These mammals, of course, are a rung closer to humans on the evolution ladder....Scientists create artificial cricket hairs
...s of long hairs for the first time. They have also obtained experimental results, which reveal how good these artificial cricket hairs are at sensing low-frequency sound. The work was carried out by the MESA+ research institute at the University of Twente, as part of the European Union project CICADA (Cricke...SPECT imaging can evaluate stem cell therapy effectiveness in patients with coronary heart disease
...al to develop into a variety of cell types--can be obtained from bone marrow, where new cells continue to be g...emic heart disease. With SPECT, information can be obtained on global function, heart volume and regional blood flow and function. "Gated myocardial SPECT can c...Scientists test the potential of integrated PET/CT for molecular imaging of the heart
...and humans, will refine the translation of results obtained in experimental animals to a clinical setting in h...actile function or morphology. All information was obtained within a single, repeatable, noninvasive imaging session," he said. "Hybrid PET/CT for Functional/B...A role for public and scientists in NIEHS research plan
...egic planning process. NIEHS will use information obtained to determine the most effective ways to study environmental toxins and human health. "Almost every complex disease, from diabetes, to obesity and heart disease, to many cancers, is, in part, caused by exposures from the environment," said Dr. Schwa...The making and breaking of microtubules
... in Berkeley Lab's Life Sciences Division, Nogales obtained the atomic structure of tubulin in its stable, str...ographic model within the structures they have now obtained for the polymerization intermediates at more modest resolution, Nogales and Wang have been able to s...Researchers grow stem cells from human skin
...at tissue. "Our study shows that stem cells can be obtained from a simple skin biopsy and can be made to becom...s for clinical use," said Soker. "The cells can be obtained from any small sample of human skin." Next, Atala's research team hopes to test the function of the ......Tbingen and Kiel, earned his doctorate in 1962 and obtained his postdoctoral lecture qualification in 1965. He... studied genetics at Fudan University in Shanghai, obtained his doctorate in biomedical science/genetics at the University of Texas in Houston, USA in 1994, and...Hummingbird flight an evolutionary marvel
...igratory species common in Oregon. "The images we obtained were astonishing," Warrick said. They showed that because of the limitations of its wing structure, a hummingbird develops only 25 percent of its weight support during the upstroke, while producing the remaining 75 percent during downstroke. While n...Study finds parking lot sealcoat may be major source of PAHs
... The researchers found that PAH levels from runoff obtained from parking lots treated with coal-tar sealcoat were 65 times higher than those obtained from unsealed parking lots, according to a study published in the June 22 Web edition of the America...Oral rinse predictor of marrow transplant effectiveness
...t yet see in a blood test," says Glogauer, "and we obtained the information simply by having patients rinse their mouths, which is something they'd be doing anyway to counteract the oral mucositis caused by their treatment regimen." The researchers monitored the oral rinses of 29 pediatric bone marrow trans...Prescription pain patch abuse blamed for increase in deaths
...law enforcement records where people who overdosed obtained the drug, whether from a prescription of their own or from one that had been stolen or otherwise not used according to doctor's instructions, the group reported. "Oftentimes we don't know where the patch comes from. Sometimes it is from someone who ...NYU's Center for Comparative Functional Genomics helps to unravel the function of microRNAS
...rent between flies and mammals. The paper may be obtained at compbiol.plosjournals.org/ In carrying out the study, the Rajewsky group developed "PicTar," a new algorithm for the identification of microRNA target sites in the genome (published in Nature Genetics, spring 2005). The PicTar algorithm w...