Heart failure wall stress drops 38% with moderate thyroid hormone therapy
...ransverse growth. It is possible that myocytes are responding normally to increased preload by adding new series sarcomeres, whereas the normal check on this system -- balanced myocyte transverse growth -- is where the true dysfunction lies." However Gerdes warned since "this is the first study to disclose thes...African-Americans and Caucasians have similar emotional brain activity when seeing African-Americans
...to find out that a part of their brain involved in responding to potential threats responds more to African Americans than Caucasians," Lieberman said. "Even people who believe to their core that they do not have prejudices may still have negative associations that are not conscious." Why do African Americans ...Identification of specific genes predicts which patients will respond to Hepatitis C treatment
...sponders, the liver is revved up and the genes are responding like mad, but there is something about the response that just does not work," said Dr. McGilvray. In the near future, determining the levels of a small subset of genes in patients' liver biopsies, with perhaps a simple blood test, may be helpful in d...PNAS highlights for the week of April 25-29
...y and herbaceous plants have differing methods for responding to cold. Fungus Borrows Energy Tool from Bacteria One fungus, Leptosphaeria maculans, appears to have an energy-generating mechanism never before seen outside of prokaryotes (microorganisms without nuclei) and may be the first eukaryote (microorga...Readers of genome decipher signatures of cancer patient outcomes
... developing cancers, fending off malignancies, and responding to treatment. Scientists here at the 96th Annual Meeting of the American Association for Cancer Research tendered "mini-book reports" on research findings made possible by the information encoded in the Human Genome Project. "Death from Cancer Signa...Zinc supplementation improved mental performance of 7th-grade boys and girls
...12 weeks showed improvement in mental performance, responding more quickly and accurately on memory tasks and with more sustained attention, than classmates who received no additional zinc. Beneficial effects were seen regardless of the youngsters' previous zinc status. Dr. James G. Penland, Grand Forks Human N...Social stress boosts immune system's flu-fighting abilities
...ave the researchers an idea of the number of cells responding to the viral antigen. The affected paws of the stressed mice were noticeably more swollen than those of the non-stressed mice, suggesting that the immune system's of the stressed mice had had produced more immune cells that could respond to this stra...Autism linked to mirror neuron dysfunction
...s especially those that involve comprehending and responding appropriately to others' behavior," said Lindsay Oberman, first author of the paper and UCSD doctoral student working in the labs of senior authors V.S. Ramachandran, director of the Center for Brain and Cognition, and Jaime Pineda, director of the C...New imaging method gives early indication if brain cancer therapy is effective, U-M study shows
...eks before traditional techniques if the tumor was responding to the chemotherapy or radiation therapy. This has potential to spare patients from weeks of a grueling treatment regimen that's not working and gives doctors the opportunity to switch patients early on to a therapy that may be more effective. Resul...Scientists discover that host cell lipids facilitate bacterial movement
...eria and control infection in patients who are not responding to antibiotics, although that application is a long way off, says Dr. Southwick....Understanding biological foundation of human behavior critical to improving laws
...economics, psychology and political science, often responding to the popular or political trends of their time. They have rarely looked to incorporate the latest findings from fields such as biology, neuroscience and cognitive psychology, which have grown exponentially in recent years and have shed brand new li...New slant on vision research: Neurons sensitive to viewing angle
...at there are separate populations of neurons, each responding to a particular narrow range of orientations. The neurons are likely located in the lateral occipital cortex, an area of the cerebral cortex very far back on either side of the head. The researchers also performed experiments that suggested that for ...Future diabetes drugs may target new protein interaction
... connects processes involved in cellular aging and responding to calorie intake in mammals for the first time. In bacteria and yeast, the equivalent of sirtuin1 is already known to help slow processes linked to cellular aging when food is scarce, an effect that extends the single-celled organism's lifespan. "W...Researchers uncover mutated genes involved in lung cancer; one affects nonsmokers
...r line from a patient who relapsed after initially responding well to the gefitinib drug. "These lines will prove invaluable in understanding both the response to gefitinib and erlotinib and the mechanisms by which resistance eventually develops," Dr. Gazdar said. "The cell lines may help identify strategies to...Poor prenatal nutrition permanently damages function of insulin-producing cells in the pancreas
...r: the undernourished mice had an abnormal way of responding to glucose. "They were somehow 'programmed' to secrete a limited amount of insulin later in life, no matter what signal they got from glucose," Dr. Patti said. "The impairment was permanent. It couldn't be corrected even when the body caught up to no...Why some lung cancers stop responding to Tarceva and Iressa
...ound an explanation for why some lung cancers stop responding to the drugs erlotinib (TarcevaTM) and gefitinib (Iressa). This discovery may lead to the development of new therapies to use when these agents stop working. The research is to be published online in the open-access international journal PLoS Medicin...Climate change to bring a wave of new health risks
...ase. "The key will be early detection, warning and responding to threats," Patz says. In urban areas, steps are already being taken to mitigate the effects of warmer climate and the "heat island" effect created by cities. Rooftop gardens are being encouraged by, among others, the U.S. Environmental Protection A...Brain region learns to anticipate risk, provides early warnings. suggests new study in Science
...ith the premise that perhaps the cingulate was not responding to the detection of an error or state of conflict, but maybe instead what the cingulate is detecting is the likelihood of making an error," Brown said. "We wanted to see if the cingulate would become more active even in situations where no conflict i...Other highlights in the February 16 JNCI
...h for use as a screening test. A new study and two responding commentaries discuss these issues. Keith A. Baggerly, Ph.D., of the University of Texas M. D. Anderson Cancer Center in Houston, and colleagues examined the reproducibility of the proteomic pattern found in a previous study from a researcher at the S......R. PPAR in turn sends signals to the cells to stop responding to insulin, resulting in hazardously high blood sugar levels. Kelly's research group had previously shown that a member of the PPAR family, PPAR-alpha, was unusually active in heart and skeletal muscle of diabetic mice. PPAR-alpha normally becomes ac...