Elevated inflammatory enzyme, Lp-PLA2, significantly linked to ischemic stroke
New Orleans, LA, November 9, 2004 High levels of an enzyme lipoprotein-associated phospholipase...ns 2004. Middle-aged participants with the highest levels of Lp-PLA2 had a statistically significant doubling of risk of suffering an ischemic stroke over a p...Study links polycystic ovary syndrome with early vascular changes of heart disease
...eresting, however, was a finding that higher blood levels of testosterone were associated with increased risk of aortic calcifications in all women, whether they had an endocrine disorder or not. Earlier studies have noted such a correlation in women over the age of 55, but this study found a similar link i...Story tips from the Department of Energy's Oak Ridge National Laboratory
...egetation can help reduce the impact of increasing levels of nitrogen in rainfall that can cause algal blooms and degradation of drinking water. Combining computer simulations and data from 12 years of field measurements, Patrick Mulholland of Oak Ridge National Laboratory found that biological organisms in...Global warming: Informal networking is the key to a swift response
...ort on an unexpected sharp rise in atmospheric CO2 levels has raised the possibility of rapid global warming, but researchers at King's College London warn that some UK businesses, government departments and voluntary sector organisations are better equipped than others to respond to an increased risk of fl...Old riverbed keeps chemicals from entering Ohio River
... determined that the raising and lowering of water levels in the shipping locks under a nearby bridge created waves that jostled the aquifer. But over the course of this study, a flow from the river has always been balanced with a counterflow from the aquifer that keeps the chemicals in place. ...New gene target found for common brain tumors in children
...their study, the Johns Hopkins scientists compared levels of a protein marker for Notch2 gene activity to th...mas they studied, Eberhart's team also found lower levels of Notch1 gene products compared to Notch2. Notch1 proteins normally provide a brake on growth of m...By impounding iron, FHC foils cell suicide, fuels inflammation
... drugs that can reduce or raise FHC levels. Lower levels could prevent inflammation and may also enhance the effects of anti-cancer therapies. Higher levels may prevent the unwanted cell death that occurs in neuro-degenerative disorders such as Parkinson's ...UCSD researchers find effective treatment for unusual fever syndrom caused by cold exposure
... initial immune response. After finding increased levels of IL-1 in the skin of the FCAS patients following an experimental cold challenge, the researchers administered a recombinant IL-1 receptor antagonist, a drug called anakinra, which inhibits the action of IL-1 and thus prevents acute inflammation, fe...Order of species loss has important biodiversity consequences, grassland study reveals
...and rare native bunch grasses. Plots reflected six levels of species diversity. Half of the plots were then invaded with Centaurea soltitialis L. (yellow starthistle), one of the most ecologically and economically damaging weeds in California. "Then we watched how able the starthistle was to invade the ...Investigating the Columbia River and Estuary: A primary focus of research
..., some of the Willamette sediments showed elevated levels where biological effects would be expected. Assessments of onsite ecological impacts of legacy materials from the Hanford Site, Washington State during the 21st century Brett Tiller, Pacific Northwest National Laboratory Scientist, reports how...New studies regarding the efficacy of antioxidants and their impact on standard cancer treatment
...s. One important result is the discovery that the levels of individual antioxidants vary according to disease status. (Deborah D. Kennedy, Regina M. Santella, Qiao Wang, Elena J. Ladas, and Kara M. Kelly). Specific nutritional protocols for both active cancer treatment and maintenance protocols, includin...Illegal tuna fishing and farming leads to demise of species
... the East Atlantic stock be immediately lowered to levels recommended by scientists. The comprehensive recovery plan would, in the long-term, restore tuna populations to healthy levels. Specific to tuna fish farming, WWF asks for a moratorium on new tuna farming plans and the attribution of specific quotas ...New findings may redirect strategies for treatment of prostate cancer
...downstream of the AR are active even with very low levels of androgen. A considerable amount of effort has gone into dissecting the signaling pathways that regulate the AR to look for pharmacological tools that can attenuate abnormal AR function. Dr. Charles L. Sawyers and colleagues from the David Geffen ...Discovery reveals how the body regulates blood oxygen
...otid artery branches in the neck. It senses oxygen levels in the blood flowing by and helps the brain to adjust the breathing rate accordingly. "When oxygen becomes scarce, channels on these cells become less active, causing a cascade of signals that ultimately increases ventilation," explained Professor K...UCSD discovery opens new avenues for design of anti-tumor medications
The response of blood vessels to low oxygen levels may be the Achilles' heel of a developing tumor, according to a study led by University of California, San Diego biologists. The study, published in the November 15 issue of the journal Cancer Cell, is the first to examine how blood vessels respond t...Delays in cutting greenhouse gasses could harm environment
...ssible goals: stabilizing all greenhouse gasses at levels equivalent to 500, 600 or 700 parts per million of carbon dioxide, which is the chief human-caused greenhouse gas. The current level of carbon dioxide is 380 parts per million; before the industrial revolution it was 280. For each of the targets, the...JCI table of contents, November 15 2004
...s reported a small but significant decrease in the levels of the transcription factors PGC-1alpha and PGC-1b...hors examined the effects of insulin on muscle PGC levels in young and old, identical and fraternal, non-diabetic twins. The authors demonst...Aging affects susceptibility to type 2 diabetes
...s reported a small but significant decrease in the levels of the transcription factors PGC-1alpha and PGC-1b...hors examined the effects of insulin on muscle PGC levels in young and old, identical and fraternal, non-diabetic twins. The authors demonstrate that the e...Safety of bismuth bullets questioned: Study
...he University of Waterloo, examined the background levels of bismuth and lead in the muscle and liver tissues of mallard ducks, northern pintails, green-winged teals, Canada geese and snow geese. The waterfowl samples were all provided by hunters from First Nations Cree communities in the western James Bay ...Concord grape juice increased HDL, lowered inflammatory marker linked to heart disease
...bosis and Vascular Biology . "In addition to HDL levels increasing, we saw significant decreases in the pr...iovascular disease." The positive increase in HDL levels is also noteworthy, according to Freedman. Historically, HDL increases have been linked to drinking...