Noise echoes in cell communications
...ise in the cochlea of the inner ear, perhaps by an implanted device. Hong, Saidel and Martin applied this principle of noise to another process called "quorum sensing" how bacteria signal one another to act collectively when causing an infection. The Rutgers-Camden research team used bacteria as a starting...Stem cell marker identified in head and neck cancer
...ir surface called CD44. The sorted cells were then implanted into immune-deficient mice to grow tumors. The cells that expressed CD44 were able to grow new tumors, while the cells that did not express CD44 did not grow new tumors. The tumors that grew were found to be identical to the original tumors and to ...Lost dogs found more often than lost cats, study suggests
...chip when they went missing. Microchips, which are implanted under the skin, provide permanent identification about where a pet belongs. Cat owners aren't required to identify their pet, and 19 percent of lost cats had a tag or microchip at the time they were lost. More than half of the cats returned on their...Other highlights in the December 20 JNCI
... with the drug in tissue cultures and in mice with implanted pancreatic cancer. They found that cromolyn bound to S100P, halted the activation of RAGE, and slowed cancer cell growth and survival in cell lines. In mice, the drug slowed pancreatic tumor growth and improved the effectiveness of gemcitabine, a c...A new approach to growing heart muscle
...ment option, because the tissue could be grown and implanted relatively quickly. The U-M Artificial Heart Laboratory ( www.sitemaker.umich.edu/ahl ) is part of the U-M Section of Cardiac Surgery, and draws its strength from the fact that it includes bioengineers, cell biologists and heart surgeons a multidi...Dopamine used to prompt nerve tissue to regrow
...tissue and stimulated extensive neural growth. The implanted polymer didn't cause any tissue scarring or nerve ... When ready for clinical use, the polymer would be implanted at the damaged site to promote nerve regeneration. As the nerve tissue reforms, the polymer degrades...Weather forecasting technique wins top prize in 2006 Collegiate Inventors Competition
... mat is manipulated into a tube shape which can be implanted as a vascular graft. Once implanted, the polymer dissolves and leaves a fully-functioning blood vessel. Chances of rejection are greatly reduced because the patient's own cells could be used to create the graft. Hashi, originally from Torrance, Ca...Grape seed extract halts cell cycle, checking growth of colorectal tumors in mice
..., the researchers tested the extract in mice. They implanted the animals with advanced human colorectal cancer cells and at the same time, gave the mice grape seed extract through a feeding tube. They tested only one dose, which was larger than a human would comparatively use, Agarwal said, and after eight wee...Teenager moves video icons just by imagination
...formed their research on the boy who had the grids implanted so that neurologists and neurosurgeons can find the area in the brain serving as the focus for an epileptic seizure, with hopes of removing it to avoid future seizures. To do this, the boy and his doctors, Dr Mathew Smyth and Dr John Zempel, had to w...EURYI to showcase the future of European science in Prague
...t and volume compatible with those of the smallest implanted biosensor-transmitter systems. The idea behind his research is the glucose-O2 biofuel cell would power a wireless, autonomous, low cost ($3), weekly user-replaced, subcutaneously implanted, miniature, continuous glucose monitor for diabetes managemen...Cloned mice created from fully differentiated cells, a milestone in cloning research
...t is an identical copy. This cloned embryo is then implanted into a surrogate mother, and, if the process is su...ndful, at most, of these result in live young when implanted into a female. Many have attributed cloning's limited success to a theory that clones must be deriv...Embryo tests give parents the choice
...ific gene mutations. Seemingly healthy embryos are implanted in the womb; others are discarded or frozen. The survey, which covered 186 out of 415 fertility clinics in the US, found that around two-thirds of PGD procedures were performed to identify embryos at risk of birth defects or being miscarried. Howeve...Gene offers new lead in cleft lip and palate research
...ine in which SUMO1 had been partially inactivated, implanted them into female mice, and waited. The result: Four of 46 newborn mice had clefts of the palate or face. "That's about the incidence that we see in human families with a history of cleft lip and palate," said Dr. Irfan Saadi, a co-lead author on t...Preeclampsia, fetal development problems may be linked to low levels of hormone
...levels had reduced litter sizes, and while embryos implanted normally in the uterus, their spacing was overcrow...father. The study also found that although embryos implanted normally, their spacing in the wall of the mouse uterus was "overcrowded," which was associated with...A plastic pill for periodontal problems
... a polymer-based drug delivery system that may be implanted in pockets between the teeth and the gum developed at Rutgers, The State University of New Jersey, was presented at the 232nd National Meeting of the American Chemical Society in San Francisco by Michelle Johnson, a graduate student in the research ...Nanotechnology propels advances in regenerative medicine research
...mixed nanotubes with adult rat stem cells and then implanted the mixture into brain-damaged areas of three rats... strokes. In six other rats that had strokes, they implanted either adult stem cells or nanotubes - but not both - into brain-damaged areas. After following the ...'Crabby' compound that skewers bacteria could prevent medical implant infections
...dition, biofilms can arise on virtually any device implanted in the body, including mechanical heart valves, contact lens, artificial hips and knees, and breast implants. Once a biofilm-induced infection takes hold, it can be difficult to treat and often requires the surgical removal of the affected device, he...Closing in on lethal heart rhythm in young athletes
...s and - unless diagnosed and treated with drugs or implanted defibrillators - triggering a fatal heart rhythm disturbance. Judge, an assistant professor at The Johns Hopkins University School of Medicine and its Heart Institute, says DSG2 mutations appear to account for at least 10 percent and possibly more ...Unusual three-drug combo inhibits growth of aggressive tumors
... mice that had prostate neuroendocrine tumor cells implanted beneath their skin. Compared to mice that didn't receive the drug therapy, those treated with the combination had 40 percent less tumor growth. "We propose that this might be a potential therapeutic regimen for patients with aggressive neuroendocrin......ies -- maintaining stem cells after the embryo has implanted in the mother's uterus, and later providing cues to direct their differentiation in a coordinated fashion when the time is ripe. The development of an embryo from a few seemingly identical stem cells is a truly awesome feat of nature. As they bathe...