Scientists decode RNA mystery, will help aim drug therapies
...tics at the University of Maryland, have found the difference between two closely related components in the mess...s fireflies glow, Dinmans team discovered that the difference between near- and non-cognate aa-tRNAs lies in the potential, albeit imperfect, of near-cognate aa-t......bustly. The authors further establish that this difference in neural response provides mothers with the capacity for detecting and discriminating pup calls. Their results demonstrate that behaviorally significant sounds, like the call of ones young, are associated with quantifiable functional improvements in...Woods Hole Research Center scientists study impacts of industrial logging in Central Africa
...here is still an opportunity to make a significant difference in reducing the amount of deforestation. The Democratic Republic of Congo contains most of the remaining forest and is the last frontier for logging expansion in Africa. Researchers mapped nearly 52,000 km of logging roads within the forested reg...Organic Food Miles take toll on environment
...lly grown produce, and found that there was little difference in the cost to the environment. Food miles are defined as the distance that food travels from the field to the grocery store. The study found that the environmental cost of greenhouse gas (CO2) emitted to transport 20 tonnes of organically grown pr...Cisplatin is more effective than carboplatin for treating nonsmall cell lung cancer
...rvival of 9.1 months compared with 8.4 months. The difference in survival was not statistically significant, except in patients treated with more recent chemotherapy combinations and those with nonsquamous-cell tumors. Both drugs had side effects. Carboplatin was more likely to decrease blood platelet levels, w...Older men may not live as long if they have low testosterone
...years than the men with higher testosterone. This difference was not explained by smoking, drinking, physical activity level or pre-existing diseases (such as diabetes or heart disease). In this study, "low testosterone" levels were set at the lower limit of the normal range for young adult men. Testoster...Other highlights from the June 6 JNCI
...d never smokers than current smokers, although the difference was not statistically significant. Nonaspirin NSAID use was not associated with decreased risk. Aspirin use could potentially prevent approximately 4.7% of the cancer incidence burden, 3.5% of the cancer mortality burden, and 7.6% of the coronary...What's going on in the body? Advanced time-of-flight PET takes a superior 'look'
...e PET detector. TOF/PET scanners measure this time difference with precision, enabling the images to be reconstructed with significantly improved image quality, said Perkins. PET combined with computed tomography (CT) imaging enables the collection of both biological and anatomical information during a single e...Enzyme delivered in smaller package protects cells from radiation damage
...ranfected cells. However, there was no significant difference in survival between MnSOD-minicircle and MnSOD full plasmid transfected cells. According to Dr. Greenberger, whose group is currently conducting a phase I/II clinical trial in lung cancer patients consisting of twice-weekly swallowed MnSOD for protec...Existence of muscle-building stem cells points to regenerative therapies for muscular disease
...y of a gene called Myf-5. Moreover, that genetic difference gave rise to an important distinction in the satellite cells behavior. Cells without active Myf-5 divide asymmetricallya characteristic commonly seen among stem cells. That lopsided cell division produced one "daughter" like its parent, exhibiting a ...Want to save polar bears? Follow the ice
...s, we can make effective decisions that can make a difference for the largest carnivore on earth." The "Warm Waters for Cool Bears" initiative represents a departure from previous polar bear studies, which typically focused on either observing individual bears or following them with satellite collars, often a...Babies able to tell through visual cues when speakers switch languages: UBC study
...r babies use visual speech information to tell the difference between someone speaking their native language(s) and an unfamiliar language. Weikum is a UBC Neuroscience doctoral student working with Canada Research Chair and Psychology Prof. Janet Werker. The researchers tested three groups of infants ages f...Sexual orientation affects how we navigate and recall lost objects, but age just targets gender
...er than womens and that sexual orientation made no difference to the rate of that decline either for men or women....Stem cells may look malignant, not act it
...ly contaminate our cancer studies and could make a difference as to whether or not investigational drugs we're testing work or don't work," he said. "The significance of this is new treatments may work in the culture dish but may not translate to the clinic or the hospital room, and for many reasons. One of the...Spotlight on liver disease: Improving today's treatments
...wer than expected. While there was no significant difference in five-day mortality between groups (12% in the 6... between groups. "While there was no significant difference in the primary endpoint between treatment groups, the current trial did provide insight into the pot...Before selling carbon credits, read this
... in carbon stored under no-tillage adoption as the difference between carbon levels in no-till and till fields. They then compared the soil carbon values predicted by the Century model to measured SOC and SOC rate of change. The Century model accurately predicted SOC content and rate of carbon change, howeve...No magic tomato? Study breaks link between lycopene and prostate cancer prevention
...istically insignificant. They found no significant difference between those who had prostate cancer and those who did not in relation to the concentration of lycopene in their bloodstream. "Our results do not offer support for the benefits of lycopene against prostate cancer," Peters said. Most surprisingly, ...Growing nerve cells in 3-D dramatically affects gene expression
...ook great pains to be sure that this one-dimension difference was the only difference in the culture conditions. Team members even counted individuals cells as they went into the dishes ...News tips from the Journal of Neuroscience
...ntrol and MPTPlesioned mice. Although there was no difference in striatal dopamine (DA) levels between exercised and nonexercised MPTP-lesioned mice, exercise increased striatal DA levels in control mice. In MPTP-lesioned mice, exercise increased evoked vesicular DA release in striatal slices, particularly in d......continued their analysis, they found that the main difference between the groups' genetic profiles was the gene p53. While both groups had roughly the same amount of the protein encoded by p53, the cancer group had mutations in their p53 that caused the genes corresponding protein not to function.The benign gro...