Climate change and permafrost thaw alter greenhouse gas emissions in northern wetlands
...ousands of years. Peat blankets the permafrost and protects it like a thick layer of insulation. We find permafrost in peatlands further south than in other boreal ecosystems due to the insulating qualities of peat. So we have argued that these ecosystems serve as a very sensitive indicator of climate chan...Cardio exercise benefits in male vs. female hearts
...onic voluntary exercise, an important factor which protects the heart against cardiovascular diseases. The res... explaining the sex bias in physical activity that protects the heart....Sugar and spice and everything nice: Health differences in newborn girls and boys
...H+) concentration. Histidine concentration, which protects against acidosis, was also determined in baseline tissue alone. The researchers found that the newborn female hearts had accumulated a significant 47 percent greater H+ level within 60 minutes of ischemia. This was associated with a significant 13 ...Einstein researchers' prototype vaccine could provide improved protection against tuberculosis
...till produces a strong immunological response that protects people. TB bacteria invade human cells and then--successfully evading a persons immune response--lurk inside cells and multiply. A key evasion strategy involves preventing their host cells from undergoing apoptosisthe cell suicide often triggered w...Developing a more effective vaccine for tuberculosis
...ment, could be used to generate a new vaccine that protects all individuals from tuberculosis. The importance of this study for the development of new vaccines to control the tuberculosis pandemic is discussed in more detail in the accompanying commentary by W. Henry Boom from Case Western Reserve Universit...JCI table of contents: August 1, 2007
...ment, could be used to generate a new vaccine that protects all individuals from tuberculosis. The importance of this study for the development of new vaccines to control the tuberculosis pandemic is discussed in more detail in the accompanying commentary by W. Henry Boom from Case Western Reserve Universit...Molecule blocks gene, sheds light on liver cancer
...ene called PTEN (pronounced P-TEN), which normally protects cells from becoming cancerous. Researchers know that the abnormal silencing of this tumor-suppressor gene contributes to the development of liver cancer and other malignancies. The findings help explain how liver cancer develops and may identify n...Under magnetic force, nanoparticles may deliver gene therapy
...ral gene therapy, because it efficiently binds and protects DNA in blood serum and delivers it to cells, added Levy. As a nonviral method, it avoids the unwanted immune system responses that have occurred when viruses are used to deliver gene therapy. Levy said his team would pursue further studies into the...Reading ability protects brain from lead exposure
...ere are multiple theories on how cognitive reserve protects against insults to the brain. These include an increased concentration of cortical synapses in larger brains that provide more brain capacity, a greater ease of using alternative brain circuits, and the ability to process tasks more efficiently in cu...Research shows NPD1 protects a key component of vision
...ngs that demonstrate that neuroprotectin D1 (NPD1) protects against damage to retinal pigment epithelial (RPE) cells and identifies an important trigger for its production and novel molecular mechanisms that support vision. The research was conducted at LSU Health Sciences Center New Orleans and the papers ar...Isoprene emission from plants -- a volatile answer to heat stress
...the most popular hypotheses suggests that isoprene protects the metabolic processes in the leaf, in particular photosynthesis (the process by which plants use light energy to fix CO2 and produce their own food), against thermal stress. To test this hypothesis, scientists Katja Behnke and Jrg-Peter Schnitzler ...Discoverer of Sly Syndrome finds way of delivering medicine to fight rare genetic disorder
...o cross the blood-brain barrier, a structure which protects the brain from foreign substances, if it is given with the hormone epinephrine. Ever since William S. Sly, M.D., chairman of the department of biochemistry and molecular biology at Saint Louis University, discovered the rare genetic disease in 1969...New clue into how diet and exercise enhance longevity
...f superoxide dismutase, an antioxidant enzyme that protects cells from damage by highly reactive chemicals called free radicals. Our findings put a mechanism behind what your mother told when you were growing upeat a good diet and exercise, and it will keep you healthy, said White. Diet, exercise and lower w...Gene discovered for type 1 diabetes in children
... type 1 diabetes. A particular version of the gene protects against this inappropriate autoimmune response, while a different version of the gene makes it more likely to happen. Although much research remains to be done, better understanding of the disease process may guide doctors to new and improved ther...JCI table of contents: July 12, 2007
...isruption of the talinalpha-IIb beta 3 interaction protects mice from pulmonary thromboembolism the formation of blood clots in the vessel that carries blood from the heart to the lungs. Furthermore, this blockade results in very little pathological bleeding, which can often occur when the clotting process i...Double identities lie behind chromosome disorders
...somes, and this ability to adopt double identities protects them from detection by the control centre. We believe that this new fundamental mechanism can help to explain why chromosome disorders are so common in female sex cells, says Professor Christer Hg, leader of the study. The research might eventual...A gene that protects from kidney disease
...University of Michigan have discovered a gene that protects us against a serious kidney disease. In the current online issue of Nature Genetics they report that mutations in the gene cause nephronopthisis (NPHP) in humans and mice. NPHP is a disease marked by kidney degeneration during childhood that leads to...Specific type of cell death may accelerate decompensated heart failure
...nction. It appears to be an adaptive response that protects the body in times of stress or starvation. But in response to other forms of stress such as hypertension, which can lead to cardiovascular disease, autophagy might also lead to harmful changes in the heart muscle, particularly in decompensated heart ...News tips from the Journal of Neuroscience
...pre-exposure or conditioning to a sublethal injury protects brain tissue against subsequent ischemia. If the phenomenon were better understood, it might be harnessed to treat stroke. Kunz et al. show this week that neuroprotection is twopronged, affecting the cerebral microvasculature as well as neurons and g......vance. TITLE: Dysferlin-mediated membrane repair protects the heart from stress-induced left ventricular injury AUTHOR CONTACT: Kevin P. Campbell University of Iowa, Iowa City, Iowa, USA. Phone: (319) 335-7867 or (319) 335-6978; Fax: (319) 335-6957; E-mail: kevin-campbell@uiowa.edu View the PDF ...