Hominid fossils from Ethiopia link ape-men to more distant human ancestors
...vered in the Afar desert of eastern Ethiopia are a missing link between our ape-man ancestors some 3.5 million years ago and more primitive hominids a million years older, according to an international team led by the University of California, Berkeley, and Los Alamos National Laboratory in New Mexico. The f...Boosting newborns' immune responses
...uthwestern Medical Center in Dallas to replace the missing BPI in high-risk newborns with heart conditions who are undergoing cardiac bypass operations. "As we better understand the molecular pathways that account for newborns' susceptibility to infections, we can leverage them to enhance their immune defens...Other highlights in the May 3 JNCI
...Reporting Trials) statement, created in 1996, were missing major items needed for readers to evaluate the study. Thilo Kober, Ph.D., of the Cochrane Haematological Malignancies Group in Cologne, Germany, and colleagues analysed 242 published reports of randomized controlled trials in Hodgkin lymphoma patien......r Laboratories, launched the study to help provide missing information on this important research animal. "Tritonia is one of the testing grounds for a lot of ideas for how nervous systems work," says Wyeth. "Field work with this organism is helpful because it gives you a good idea of how to set things up i...Research shows how visual stimulation turns up genes to shape the brain
... the cortex supporting the open eye to that of the missing eye. They found that Bdnf is not alone--visual input changes the levels of expression of ten additional genes, dubbed the "common set," at all ages investigated. By chemically inhibiting a MAP kinase already known to be linked to several common set g...Scientists discover new regulating mechanism in cells
... solve that long-standing puzzle. RHA provides the missing signal. It attaches to these mRNAs and allows them to be translated into protein. If RHA is missing, the proteins are not made. During this study, Boris-Lawrie and her colleagues identified additional genes in the human genome that do not undergo th...Whale bubble nets, saxophone sounds, ultrasonic laser
...or restoring relevant frequency information to the missing low and high frequencies. This work has the potential of improving telephone audio in the future (3aSC5). In efforts to eliminate the wind noise that plagues hearing-aid users when they are outdoors, Gary Elko ( gwe@mhacoustics.com ) and Jens Meyer...NYU algorithm enhances ability to detect cancer genes
... is akin to guessing if a new edition of a book is missing an important paragraph by checking if some of the important key words in that paragraph are missing from the index of the new edition. The new algorithm computes a multipoint score for all intervals o...National Academies advisory: May 22 meeting on OMB Risk Assessment Bulletin
... the proposed guidance, identify elements possibly missing from the guidance, and determine whether OMB appropriately incorporated recommendations from previous Research Council reports. At its first meeting, the committee will hear presentations by officials from OMB and other federal agencies and by expe...Full year of treatment helps infants and children with toxoplasmosis
...arly we have to detect it early and we know we are missing many infants who would benefit." According to the Centers for Disease Control and Prevention, approximately 85 percent of women of childbearing age in the United States are at risk of acquiring the infection for the first time during gestation and tr...South Pacific plant may be missing link in evolution of flowering plants
...er flowering plant known, and may be the potential missing link between flowering plants and their progenitors." In basic terms, Amborella has one extra sterile cell that accompanies the egg cell in the female part of its reproductive apparatus known as the embryo sac, according to the study. The discovery ...Heal thyself: Systems biology model reveals how cells avoid becoming cancerous
...the DNA-damage-repair machinery, but what has been missing until now is a 'systems biology' approach that explains how all the parts function together to enable a cell to repair its DNA while under routine assault." UCSD post-doctoral fellow Christopher T. Workman, Ph.D. candidate Craig Mak, and technicians...UGA study reveals a new way of looking at vaccine development
...ommon molecular backbone. The only difference is a missing acidic sugar in the side chain of Streptococcus pneumoniae 14. The immune system can generate antibodies against both bacteria but despite the similarities in their surface sugars antibodies against the one bacterium do not generally recognize the ...US hearing health, better telephone speech
...echnique for restoring relevant information to the missing low and high frequencies. Working with existing telecommunications infrastructure, this technique has the potential of improving both mobile-phone and landline audio in the future. (Paper 3aSC5) --Lay-language paper at http://www.acoustics.org/pres...For Stanford scientists, RNAi gene therapy takes two steps forward, one step back
...example, the inserted gene makes a protein that is missing in the blood of people with the disease. RNAi gene therapy has the opposite effect. The inserted DNA produces a molecule called an shRNA, which turns off an overactive gene. With key genes shut off, viruses such as hepatitis B, hepatitis C or HIV are...Mice lacking key immune component still control chronic viral infections
...cientists can't prove it yet, but they suspect the missing immune system component, a group of molecules known as the Major Histocompatibility Complex (MHC) Class Ia, has a previously unrecognized backup that is similar enough to step in and fill the void left by its absence. If so, that backup may become a ...UAB researchers confirm HIV-1 originated in wild chimpanzees
...bama at Birmingham (UAB), has discovered a crucial missing link in the search for the origin of HIV-1, the virus responsible for human AIDS. That missing link is the natural reservoir of the virus, which the team has found in wild-living chimpanzees in s...Genetically altered mice no longer like cocaine
...pamine transporter. Since cocaine's key target was missing in these mice, the researchers thought that the drug wouldn't trigger a high. They were wrong. This led to the proposal that there may be redundant reward pathways for cocaine reward. "Deleting the dopamine transporter itself caused tremendous change...... scientists had been initially interested in how a missing Tyro3 protein impacted brain development, they found that mice lacking all three Tyro3 genes developed autoimmune diseases closely resembling the perplexing symptoms observed in human autoimmunity. According to Lemke, they couldn't help noticing that......to a receptor found on normal pancreatic cells but missing on pancreatic tumors. Nanoparticles darken MR images of the normal pancreas, causing the tumor (which does not bind the particles) to appear brighter. Their research is scheduled for publication in the July 19 issue of Bioconjugate Chemistry. Late di...