American Chemical Society's Weekly PressPac -- Aug. 8, 2007
...ommunity in acutely polluted soil compared to wild type plants, the report states. Our findings have important implications, not only for use of genetically engineered plants for TNT remediation, but for cleaning up other sources of contamination as well. ARTICLE #3 FOR IMMEDIATE RELEASEImpact of Transg...Beyond batteries: Storing power in a sheet of paper
...nt, loose leaf, lunch bags, and nearly every other type of paper. Rensselaer researchers infused this paper with aligned carbon nanotubes, which give the device its black color. The nanotubes act as electrodes and allow the storage devices to conduct electricity. The device, engineered to function as bo...Unravelling new complexity in the genome
...tory events involved in specifying cell and tissue type characteristics appear to be considerably more extensive than appreciated in previous studies, says Blencowe. These findings also have implications for understanding human diseases such as cancers, since we can anticipate a more extensive role for al...Interaction of just 2 genes governs coloration patterns in mice
...ding lighter pigmentation. Both genes affect the type and amount of melanin in individual hairs. When both genes are turned on, the mouse is dark in color. A mutation that changes either gene leads to a somewhat blonder mouse, but it is the combination of mutations in both genes that produces a mouse ve...Newly created cancer stem cells could aid breast cancer research
...ected that researchers were transforming the wrong type of cells. Now an independent investigator at Bri...ned culture medium and managed to grow a different type of human breast cell that ordinarily dies in culture. He transformed it into a cancer cell by insert...Gene regulation, not just genes, is what sets humans apart
...es might be found in the regulatory regions. The type of analysis performed by the Duke team couldnt be done until the macaque genome was published in 2005 because they needed a third, closely related relative to compare the regulatory sequences. The mouse genome had been used as a reference point for...X-ray images help explain limits to insect body size
...ending tracheal tubes. As insects get bigger, this type of oxygen transport becomes far less effective. But if the atmospheric oxygen levels increase, as they did in the late Paleozoic, then longer tracheal tubes can work. This would allow larger-sized insectseven giantsto evolve. Recent research publis...Abnormal fat metabolism underlies heart problems in diabetic patients
...he research team found a depletion of an important type of lipid in diabetic heart tissue, diabetic heart muscle cells actually take in excess lipids. But as these lipids enter cells they activate lipid-digesting enzymes. In previous studies, Gross and colleagues identified a particular lipid-digesting en...Scientists show that mitochondrial DNA variants are linked to risk factors for type 2 diabetes
...motherare directly linked to metabolic markers for type 2 diabetes. The study, which highlights the role ...betes, and 90-95% of those cases are classified as type 2 diabetes. Type 2 diabetes is caused by external factors such as diet and exercise, and is influen...Climate change and permafrost thaw alter greenhouse gas emissions in northern wetlands
...nds. Their study focused on peatlands, a common type of wetland in boreal regions that slowly accumulates peat, which is an accumulation of partially decayed vegetation. Today, peatlands represent a massive reservoir of stockpiled carbon that accumulated from the atmosphere over many thousands of years...Genetic variation helps to understand predisposition to schizophrenia
...is associated with increased expression of a novel type of Neuregulin 1 called type 4 one of the six known types of Neuregulin 1 proteins in the brains of patients with schizophrenia...Gilbert Foundation and American Fed for Aging Research award grants on Alzheimer's disease
... and aggregation, including Parkinsons disease and type II diabetes. Grace Stutzmann, Ph.D., Assistant Professor, Rosalind Franklin University: "Contributions of early calcium signaling dysregulations to Alzheimer's disease pathogenesis" Dr. Stutzmanns research focuses on early neuronal signaling alt...Research shows skeleton to be endocrine organ
...such, is a major determinant of the development of type 2 diabetes. The research, published in the Augu...n osteocalcin activity prevents the development of type 2 diabetes and obesity in mice. This discovery potentially opens the door for novel therapeutic aven...Cardio exercise benefits in male vs. female hearts
...trophy (beneficial enlargement) of the heart. This type of hypertrophy is different from pathological hypertrophy (an abnormal enlargement that leads to problems such as heart failure). Pathological hypertrophy is also irreversible. There have been several descriptions on the effects of estradiol and test...Satellite tracking reveals threats to Borneo pygmy elephants
...ys, the study found. Unfortunately, it is also the type of terrain preferred for commercial plantations. Over the past four decades, 40 percent of the forest cover of the Malaysian State of Sabah, on the northeast of the Island of Borneo where most of pygmy elephants are has been lost to logging, conver...Research aims to identify markers for menopausal women at risk for deadly blood clot
...n. Conclusion According to Dr. Miller, This type of research brings us closer to defining risk profiles for a specific health issue. Our hope is that it can lead to tools that will allow doctors to provide hormonal therapy for their female patients that is commensurate with a womans risk for venous...Grapes, soy and kudzu blunt some menopausal side effects
...animal model of insulin resistance (a precursor to type 2 diabetes). Glucose tolerance and sensitivity are improved some 20 percent in chronic studies and about 50 percent when kudzu and glucose are administered simultaneously. Conclusion These studies demonstrate that three polyphenols grape, so...What we can learn from the biggest extinction in the history of Earth
...ures rise during El Nio years, corals bleach. This type of immediate response to environmental change is hard to track in the geologic record. "We hope to reconcile the short-term processes we observe operating in the modern world with the very long time scales seen in the geologic record," said Seth Fi...Preclinical study links gene to brain aneurysm formation
... of aneurysm formation in the PAI-1, NOS-2 or wild type control groups. Mice with the NOS-3 knock out, however, formed intracranial aneurysms. ...... Gene Epigenetic changes in Wilms tumor, a rare type of childhood kidney cancer, do not appear to be widespread. The most common epigenetic change in Wilms tumor is the loss of imprinting of the IGF2 gene. In this case, loss of imprinting means the copy of IGF2 that you get from your mother (which i...