Ophthalmologists and physicists team up to design 'bionic eye'
...-sized computer processor, a solar-powered battery implanted in the iris and a light-sensing chip implanted in the retina. The chip is the size of half a rice grain--3 millimeters--and allows users to perceiv...Autism linked to mirror neuron dysfunction
... neurons in people (since human subjects cannot be implanted with electrodes), several indirect brain-imaging measures, including EEG, have confirmed the presence of a mirror neuron system in humans. The human mirror neuron system is now thought to be involved not only in the execution and observation of move...NJIT Presidential Award winner takes stem cell research another step
...em cells taken from one person can be successfully implanted into another. A list of conditions for which stem...m cells taken from one patient can be successfully implanted in another. Researchers originally thought such a transfer might be rejected. And it's not just defe...Polymers with copper show promise for implanted sensors
.... In the bloodstream, clots form on the surface of implanted sensors or blood vessels contract around them. Sensors implanted under the skin may become walled off by cells that flock to the site as part of the inflammatory res...To control germs, scientists deploy tiny agents provocateurs
...le, biofilms can form infection-inducing layers on implanted medical devices and cause deadly lung infections in cystic fibrosis patients. Biofilms have long baffled researchers because of their stupefying capacity to behave like a "super-organism" that vetoes the normal characteristics of a bacterial cell in ...Blocking PLK-1 to beat bladder cancer
...e the efficacy of the treatment in vivo, mice were implanted with bladder cancer cells, and PLK-1 siRNA prevented the growth of bladder cancer in this mouse model. This interesting study shows that therapy to inhibit expression of PLK-1 could be an important strategy for the management of bladder cancer....JCI table of contents, April 1, 2005
...e the efficacy of the treatment in vivo, mice were implanted with bladder cancer cells, and PLK-1 siRNA prevented the growth of bladder cancer in this mouse model. This interesting study shows that therapy to inhibit expression of PLK-1 could be an important strategy for the management of bladder cancer. T...UCSD medical/bioengineering reseachers show titanium debris satobtage artificial joints
...um particles affected the bonding strength of pins implanted in rat thighs. The pins were shown to come out more easily when the titanium particles were present, with the smallest and largest particles causing the greatest weakening. The researchers demonstrated how different-sized titanium particles affected ...Georgia Tech research indicates immune complications associated with combination medical devices
...ombines living cells with a polymer scaffold. When implanted into a patient, the device can replace or restore damaged tissue or organ function. While the response of the body to each component is well known, considerably less is known about how their new union may affect the body's reaction to a combination d...Gene therapy converts dead bone graft to new, living tissue
...accumulate until finally, perhaps in 10 years, the implanted section collapses, and more drastic surgery become... the genes. The mouse body then began to treat the implanted bone as if it were its own tissue instead of a foreign object, which would normally trigger the body...UCF stem cell research may hold promise for treating Alzheimer's disease
...e likely to develop as brain cells after they were implanted in adult rat brains. The findings will be included...tting them to become retinal cells after they were implanted in rats. Improving the chances of implanted cells functioning as retinal cells is an encouraging sig...Protein stops growth of brain tumor, OHSU study shows
...reat human glioblastoma cells grown in culture and implanted in rats. "We saw a few tumor cells at the injection site, but they never proliferated," Clinton said. Herstatin was not effective on a mutant form of the EGF receptor, called EGF receptor delta. The mutant receptor causes even more aggressive tumor g...New method simplifies search for genetic changes associated with disease
...ial artificial chromosomes (BACs), structures they implanted in bacteria for easy reproduction of DNA. Scientists interested in a particular region of the human genome can now order the BAC of that region from the genome project and use Lovett's procedure to modify the BAC with biochemical hooks, making it pos...New painkiller was born in Utah
...o fluid surrounding the spinal cord by external or implanted pumps. "The commercial product, Prialt, is chemically identical to omega-MVIIA, except that it is made synthetically instead of by snails," Olivera says. McIntosh now directs research in the Department of Psychiatry at the University of Utah He...$6.7 million for bionic war on disabilities
...rants to develop wireless electrodes that would be implanted to provide blind people with artificial vision and...0 tiny electrodes in a 10-by-10 grid. The array is implanted under the dura, which is the membrane covering the brain. Normann pursued commercial developmen...Timing is everything for optimum combined cancer therapy
...ed therapy impacts treatment effectiveness. Mice implanted with gliomas were treated with radiation, with the antiangiogenic agent DC101, or with combinations of the two. DC101 blocks the action of VEGF, a protein that stimulates blood vessel formation and is found at very high levels in gliomas. Blood vesse...Alcoholism and excessive food intake may share chemical pathways in the brain
...research, male Sprague Dawley rats were surgically implanted with a cannula in a brain region next to the third ventricle, and given access to increasing concentrations of alcohol for a 12-hour light/12-hour dark day cycle until all had acquired a preference for seven-percent alcohol over water in a two-bottle...New pathway identified in angiogenesis
...e team in performing similar studies in mice. They implanted the mice with Matrigel plugs, tiny bits of mouse tissue engineered to mimic a tumor, then added VEGF and GM-CSF to them. In both sets of studies they found that the stimulated monocytes produced enough soluble VEGF receptors to inhibit angio...Injectable gel could speed repair of torn cartilage
...but will provide an optimum growth environment for implanted cartilage-producing cells so that new cartilage ca... In a proof-of-concept experiment, the researchers implanted the material, using cartilage-producing cells (chondrocytes) obtained from the ears of pigs, under t......encased in a membrane, typically attack surgically implanted medical devices, such as mechanical heart valves or artificial joints. They can also take the form of periodontal disease, ear infections or fatal lung infections. The infection can be nearly impossible to eradicate, requiring implants to be removed...