Who should have heart bypass surgery? New guidelines will help doctors, patients decide together
...opt for surgery." The guidelines conclude that for certain classes of patients, bypass can be justas effective and cost-effective as other treatments, such as medications tocontrol angina and reduce cholesterol, and angioplasty to remove the blockagesin heart arteries. Though angioplasty has historically kep...First brain cancer surgeries using new space-age probe are successful
... approved in the UnitedStates for the treatment of certain lung and esophageal cancers. PHOTOFRIN wasdiscovered at the Roswell Park Memorial Cancer Institute in Buffalo, N.Y., andis being developed by QLT PhotoTherapeutics Inc. in Vancouver, British Columbia,Canada. PHOTOFRIN attaches to and permeat...UCSF researchers discover new piece of puzzle in cancer development
...evelopment of CAFs could prove to be amarker for a certain stage in the progression of a cell toward cancer, or thedegree of a particular cancer's deadliness. The technique used to examine the interaction between epithelial andfibroblast cells was developed by senior author Cunha during two decades ofstudy. ...Novel neural net recognizes spoken words better than human listeners
...monstrated that nets should be highly effectivefor certain kinds of computation (particularly pattern recogni...e signal's timing. A pair of pulsesseparated by a certain time interval excites a certain neuron, while a pair ofpulses separated by a shorter or longer inter...NICHD funded researchers discover gene for Rett syndrome
... of life can be explained by the overexpression of certain genes that govern the development of the nervous system. (An accompanying article in the same issue of Nature Genetics discusses possible ways in which this over expression could lead to severe damage tothe brain and nervous system.) The disc...Female-specific genetic factors that contribute to emotional behaviors
...rs and they may be important in the development of certain psychiatricdisorders such as anxiety-related ones. These are the most common class ofmental disorder in humans, with women being diagnosed more frequently than men. Genetic studies using laboratory animals will help scientists to identify genesthat ...It's high time we registered all clinical trials say editors of Lancet and BMJ
...view of all the original research conducted into a certain subject area) need to know about ALL the trials that have been conducted on a subject to avoid 'publication bias' (where only the positive results of trials have been recorded). By ensuring that all trials are recorded, this problem could be overcom...UI findings indicate DNA methylation process may lead to oral cancer
...hinery. Cytosine is normallymethylated in cells at certain positions and not others. Carcinogenesis altersthe pattern of cytosine methylation, which contributes to altered patterns ofgene expression in cancer. Based on the interest of one of his then post-doctoral fellows, D. Thane CodyII, M.D., currently as...Diabetes therapy may impair memory function in children
...nd a dot would appear,"Hershey explained. "After a certain period of time, they had to point to thescreen whe...ill be detectable in that larger group and whether certain effects mightcorrespond with clinical symptoms--whether memory changes might relate to thenumber of ......investigational therapywill be individualized to a certain extent, with Dr. Dhonden choosing one ofseven Formula for each woman based on his diagnosis and assessment." UCSF is currently recruiting women for the Tibetan medicine trial, which isapproved by the UCSF institutional review board and Food and Drug ......ss the manipulation and intentionalmodification of certain sounds which occur in numerous musical traditions insub-Saharan Africa (2pMU1). Doris Green of the Pan African Performing ArtsPreservation Association in Uniondale, New York ( papapa70@aol.com ) has designeda notation system for the percussion ins...UF researchers show magnetic stimulation may be a safe alternative to shock therapy
...rch that has shownsending electric current through certain brain regions helps treat people withsevere depression. Triggs said researchers are not sure how or why electriccurrent helps treat depression. During electroconvulsive therapy, patients are placed under general anesthesiaand their brains are stimul...New light on the role of microbial pathogens in atherosclerosis
...undations for studies that may finallyshow whether certain microbial pathogens are involved in atherosclerosi...inant interleukin 10 is alreadybeing used to treat certain diseases....Pathway may provide target for treating chronic pain
...r site insideof the cell," Zhuo said. "Then, under certain conditions, the receptor movesitself to the synaptic part of the neuron. That movement activates the formerlysilent synapse." Receptors at synapses receive messages from other neurons. AMPA receptors aresensitive to a brain chemical called glutamate....Abstemious mice offer hint at molecular target for treating alcoholism
...he PKCe enzyme may influence the susceptibility of certain individuals tobecoming alcoholics. However, it's just as likely, they said, that they havesimply identified a mechanism for disrupting normally occurring molecularactivity at the GABA receptor. "It's possible that PKCe's impact on the GABA receptor ......urse of treatment, adds Cabana.Some physicians see certain guidelines as being too oversimplified or"cookbook", not practical, a threat to their autonomy, or not completelyjustified by scientific evidence. In all, lack of agreement with a guideline led more than 10 percent of doctorsin a majority of surveys...Misinterpretation of heart rhythm recordings may cause unnecessary treatments
... at the University of Michigan are reporting thata certain phenomenon, which can occur during heart monitoring, may causepatients to undergo unnecessary procedures on their heart. The problem is known as electrocardiographic "artifact" - electrical "noise"that can take place during recording of the heart rh...Strain makes for stronger engineered tissues
...monstrate that mechanical signals must comethrough certain molecules to which the cells attach. Both from a basic scienceperspective and as a potential application, that's very important." The engineered smooth muscle tissue used in the experiment was created byseeding cells onto sponge-like "scaffolds" ma......ould consolidate recently formedmemories. In rats, certain brain cells that activate during daytime exploration tend toreactivate during sleep. Scientists speculate the sleeping brain reenactswaking activity in order to lay down lasting memories, but the way it might dothis is unknown. Ribeiro and colleagu...New study shows link between sex and violence among N.C. high school males
...roach. For example,we need to teach children about certain high-risk behaviors, but we also need toteach them how to effectively communicate and negotiate their way out of adangerous situation. We also need to teach them how to avoid the situation inthe first place. Just providing knowledge-based education d...