Extreme stretch-growth of axons
...re then slowly pulled apart over a series of days, aided by a precise computer-controlled motor system. "By rapid and continuous stretching, we end up with huge bundles of axons that are visible to the eye," says Smith. The axons started at an invisible 100 microns and have been stretched to 10 centimeters...Assisted reproduction can't compensate for waiting too long to start a family
...bout the chances of either natural or artificially aided conception in order to provide efficient family planning advice and more precise information about the potential risks of postponing childbirth beyond a given age. In several European countries the mean age of childbearing is already close to 30 year...Regeneration of injured muscle from adult stem cells
...gave rise to differentiated muscle cells, but also aided in tissue repair. The researchers argue that these results "unequivocally establish" Pax7 as a key regulator of muscle cell differentiation in specific populations of adult stem cells during muscle tissue regeneration in mice. If therapeutic strateg...Vascular access vital to pump up tissue engineering
...esktop organ printing based on several 3D computer aided design (CAD) processes that can 'print' tissues layer by layer is another method being tested. The components of blood vessels are laid down within the various layers and the tissue constructs grow their own capillaries when the appropriate growth fa...Capturing cell protein production in action could help fight antibiotic resistance
The fight against antibiotic resistance could be aided by new 3D images of the final steps involved in manufacturing proteins in living cells, scientists reveal today in a letter to Nature . By refining a technique known as cryo-electron microscopy, researchers from Imperial College London and CNRS-Inse...Equine cloning's triple play sheds light on calcium, cell signaling, human disease
...or of animal and veterinary science, said the work aided understanding of calcium's role in cell signaling and possibly in the progression of human disease. Woods, who directs the Northwest Equine Reproduction Laboratory at UI, said increasing calcium levels in the fluid surrounding cloned equine embryos p...It's feast or famine: Predators may drive lemming cycles, Science researchers say
...s scanning a 75 square-kilometer region of tundra, aided in no small measure by the continuous daylight and open landscapes. For the Science study, Gilg, Hanski and Sittler compiled the 15 year's-worth of data for each of the five species. The results showed the stoats' population cycles lagging behind ...Leading bacterial pathogen is sequenced
...other plant diseases. Medical researchers could be aided in comparing a related bacterium that causes fatal lung infections in cystic fibrosis patients. And environmentalists could be provided with a new tool in understanding how another related bacterium can live in soil and dine on toxic waste. The seque...US $1.2m grant awarded for impact of stress on eggs and embryos
...rogress by the research team will be substantially aided by the arrival of Dr Michelle Lane to the University of Adelaide's Reproductive Medicine Unit. Dr Lane is an internationally recognised authority on the effect of the microenvironment on early embryo development. She will join the Adelaide team in Au...Gene variant discovery could save blood in surgery
...d patient bedside are key to these efforts and are aided in developing their research projects by the Vanderbilt Physician Scientist Development Program (VPSD), which Balser founded and directs. The VPSD provides two years of salary support to new physician-scientists so that they can spend 75 percent of t...Protein linked to movement disorders
...tis elegans (C. elegans), an animal model that has aided in deciphering cellular functions for genes involved in neuronal functioning. Almost half of all human hereditary diseases, including dystonia and Parkinson's disease, have been linked to genetic components also found in C elegans, according to Caldw...Coat-color gene mutation mimics neurodegeneration of prion diseases
...ers constructed a high-resolution genetic map that aided in narrowing their search to a region of the genome containing about 30 genes. Through additional genetic analyses, the scientists pinpointed the abnormal gene and showed that it appeared to be a member of the machinery in the cell that destroys unwa...Children's Hospital Boston researchers regenerate zebrafish heart muscle
...and appeared to be contracting normally. Digitally aided measurements of the ventricles' surface area showed complete recovery of heart muscle. Cardiomyocytes rapidly increased in number at the edge of the wound, first forming a layer to restore the ventricle wall, and then expanding this new layer of musc...Tailor-made sugar coated proteins manufactured in novel E. coli system
...g these complex interactions will be significantly aided by the new tool our research has developed." Professor Brendan Wren of the London School of Hygiene and Tropical Medicine added: "C. jejuni is recognised to be the major bacterial cause of gastro-intestinal diseases worldwide and can lead to the dev...Computational geneticists revisit a mystery in evolution
...dn't fully explore that question until now - when, aided by computers, they can sift through mountains of experimental data. In the June 24 issue of the Proceedings of the National Academy of Sciences, senior research scientist Aviv Bergman of Stanford's Center for Computational Genetics and Biological Mod...Does that 'java-jolt' affect coffee and non-coffee drinkers alike?
...can derive additional energy. But neither group is aided by too many trips to the coffee pot....New cellular evolution theory rejects Darwinian assumptions
...n a pool of genes, evolving in a communal way that aided one another in bootstrapping into the three distinct types of cells by sharing their evolutionary inventions. The driving force in evolving cellular life on Earth, says Carl Woese, a microbiologist at the University of Illinois at Urbana-Champaign, h...Hemophilia trials, other studies may herald successful gene therapies for human diseases
...ospitals suggested that a liver-directed approach, aided by improved genetic engineering of the gene package, could more efficiently produce clotting factor from a given amount of gene product. "Our goal is to determine if we can achieve the same therapeutic results for human patients that we found in hemo...NSF grant to grow methane-producing microbes in lab
...ne. Now a team of Cornell University scientists, aided by a $837,000 Microbial Observatory grant from the National Science Foundation (NSF), is going after methane-generating bacteria (called methanogens) and other microbes that help digest dying plants in anaerobic (without oxygen) conditions of bogs an...Researchers discover gene causing deadly infantile form of genetic kidney disease
...e promising discovery of the PKHD1 gene, an effort aided by earlier work done at the Human Genome Project. The March 2002 issue of Nature Genetics will feature this breakthrough. ARPKD is one of a group of polycystic kidney diseases that together make up the worlds most common life-threatening genetic dis...