Common anesthetics appear safe for developing fetal brain
...studies showed evidence of increased apoptosis, or programmed cell death, in developing nerve cells. For their new experiments, the Duke team developed a model using pregnant sheep. When the sheep fetus was approximately 17 weeks old an age that approximates a third-trimester human pregnancy the researchers e...Study finds happiness persists, despite illness
... U-M graduate student now at Princeton University, programmed the PDAs to beep randomly during each two-hour period of an entire week, and prompt participants to report their mood at those random moments by completing a quick series of ratings. "The big advantage of using PDAs is that you can get representativ...Climate change and the future of air travel
...ior air conditions, so a simple piece of software, programmed with the details of the jet exhaust temperature and humidity could immediately alert a pilot to when his aircraft is creating a contrail.Although lower flying aircraft expend more fuel to push themselves through the thicker atmosphere, the team found...Get ready for next generation surround sound
...on a visual display). Next-generation hearing aids programmed with the wearer's spatial filters will be able to ...ed Transfer Functions (HRTFs). These HRTFs can be programmed as software processes or built into microchips that can alter an electronic signal so as to mimic th...Pacemakers could protect patients with epilepsy from sudden unexplained death
... which monitored heart rhythms. These devices were programmed to record automatically for very slow heart beat (bradycardia, 40 beats per minute or less) or very fast beats (tachycardia, 140 beats or more per minute) were detected. Patients were studied for up to 22 months; ECG patterns monitored heart rhythms...Study suggests Akt3 protein is key to melanoma's resistance to chemotherapy
...motherapeutic drugs work by inducing apoptosis, or programmed cell death, we predict that inhibiting Akt3 activity could lower the threshold doses of drugs or radiation required for effective chemo- or radiotherapy and provide a mechanism to directly target the melanoma cells." The study, published recently in ...Breast cancer may be 'uniquely sensitive' to inhibitors of PI3K pathway
...ritical growth factor receptors and is involved in programmed cell death, is aberrant at multiple levels in breast cancer, including mutations in PI3K itself or its many "downstream" players, such as PTEN, or AKT. "There is a lot of crosstalk between the PI3K pathway and other pathways, a lot of feed-forward ...VGTI researchers help uncover why aging reduces immune system function
...cells, a form of white blood cell. These cells are programmed to look for certain kinds of disease-causing pathogens, then destroy them and the cells infected by them," said Nikolich-Zugich who also serves as a professor of molecular microbiology and immunology in the OHSU School of Medicine, and is a senior sc...Surgery without the scapel: U. Va. Health System marks fifteenth anniversary of Gamma knife
...fe are actually those beams of radiation specially programmed to target a lesion in the brain. This technique has revolutionized neurosurgery." Steiner helped Swedish inventor and physician Lars Leksell develop the Gamma Knife system in the 1950's and 60's and has 35 years of experience on the instrument. ...Scientists pinpoint flaw, offer new promise for stroke treatment
...s, by accelerating a process known as apoptosis or programmed cell death. In both human cells as well as the brains of mice, the team showed that tPA activates an enzyme called caspase-8, which goes on to activate caspase-3, which lays waste to a cell's nucleus. "This study sheds a lot of light on why tPA is n...Accelerated heartbeart mystery: Is odd electrical wave the key?
...thm abnormalities. "At present, the devices can be programmed by the physician to deliver any one of many different combinations of pulse parameters, and although standard algorithms exist, the optimum algorithm is not known," said Leslie Tung, a co-author of the paper and director of the lab in which the resea...Northwestern University receives $7.5 million for regenerative medicine
...e tissue or an organ, the artificial matrix can be programmed to disappear into nutrients as cells elaborate into a natural matrix." The scaffolds are being designed at the nanoscale or the microscale, which enables scientists to create smart objects for cell signaling that can reach small spaces in the body. ...Angiogenesis therapy successful for peripheral arterial disease
...tissue, the treatment also appeared to prevent the programmed cell death, known as apoptosis, of muscle cells starved of blood supply but not yet dead, the researchers reported. The results of the Duke study, led by cardiologist Brian Annex, M.D., are scheduled to be published in the Oct. 19, 2004, issue of ...A glass of red wine a day may keep prostate cancer away
...h of cancer cells. It also enhances apoptosis, or programmed cell death, which helps rid the body of cancerous cells. It may act as an estrogen, reducing levels of circulating male hormones such as testosterone that fuel the growth of prostate cancer. While the researchers found that the risk of prostate ca...Left and right ears not created equal as newborns process sound, finds UCLA/UA research
...nfluence how cochlear implants or hearing aids are programmed to process sound," explained Cone-Wesson. "Sound-processing programs for hearing devices could be individualized for each ear to provide the best conditions for hearing speech or music." "Our next step is to explore parallel processing i...LSUHSC neurosurgical team discovers novel therapy for intractable hiccups
...ty nerve communication. The "dose" of stimulation, programmed by the physician, is automatically delivered. VNS therapy has been effective in controlling medically refractory seizures, and an FDA Advisory panel recently recommended approval of VNS therapy as an adjunct treatment for non-responsive depression as...New way to tally death risk for heart patients could ease worry
...ulating tool, which can fit on a pocket card or be programmed into an ordinary handheld data device, is based on data from 22,645 patients treated at 94 hospitals in 14 countries. Its developers hope that doctors everywhere will adopt it as a way of guiding treatment decisions and counseling recommendations for...Study finds HIV protein can drive immune cells away
...could be produced specifically with T killer cells programmed to attack HIV. The researchers then used immunized mice to look at the effects of the viral protein in vivo. One day after the mice were injected with an antigen to which they had been previously immunized, they received an additional injection of ......sets of recordings came from the same hearing aids programmed to directional microphones, which are more sensitive to sounds in front of the hearing aid user. The third sets of recordings combined directional microphones with noise-reduction algorithms. The noise-reduction algorithms are intended to reduce nois......cessing and data collection unit. The processor is programmed with an alarm algorithm scanning the respiration patterns in order to detect dangerous situations and to produce an alarm signal. These sensors, algorithms and processors were all originally developed to monitor the condition of astronauts in orbit. ...