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scavenging in Medical News

Wake Pharm US Announces Appointment of Jeffrey A. Niezgoda, M.D. to the Board of Medical Advisors

... settings with both acute and chronic wounds. The mechanism of action appears to be related to a decrease in inflammatory mediators due to the active scavenging of oxygen free radicals. Visit www.woundbegone.com for more details. About Wake Pharm US : Wake Pharm US is an innovative and inter...

An Achilles heel in cancer cells

...emicals that raise ROS levels, the cells die. Akt could not protect cells from this form of apoptosis and, indeed, because Akt impaired the normal ROS scavenging in the cell, hyperactive Akt actually had the effect of making the cells more vulnerable to these ROS inducers. This enabled selective killing of canc...

Can rectal vitamin E induce remission in patients with mild to moderate ulcerative colitis?

...in E is a major lipophilic antioxidant in cellular membranes with excellent antioxidant activities which protects membrane lipids from peroxidation by scavenging not only chain carrying peroxyl radicals but also singlet oxygen and superoxide anion radicals. This is especially interesting in case of UC, consider...

Lead shot and sinkers: Weighty implications for fish and wildlife health

...s already documented adverse effects to wildlife, especially waterbirds and scavenging species, like hawks and eagles. Lead exposure from ingested lead shot, bull... said. The authors found that upland game -- such as doves and quail -- and scavenging birds -- such as vultures and eagles -- continue to be exposed to lead shot...

Brain cells help neighboring nerves regenerate

...other trick up their sleeve. During injury, astrocytes overproduce a protein called metallothionein (MT) and secrete it to surrounding nerves; MT is a scavenging protein that grabs free radicals and metal ions and prevents them from damaging a cell, and thus is a potent protecting agent. While the ability o...

Blueberry Juice Tops The ORAC Antioxidant Chart

...grape. Using the Oxygen Radical Absorption Capacity (ORAC) testing procedure, the gold standard of antioxidant measures for detecting the free-radical scavenging ability of foods, blueberry juice had the highest ORAC score of 2,906 umol TE/100g. The ORAC database was prepared by the USDA's Agricultural Research...

Women Veterinarians Face Higher Miscarriage Risk

...ling out such an association. "Properly ventilating the workplace (using scavenging systems), minimizing the amount of exposure through radiation protection de...hirangi said. In addition, she said, "All anesthesia machines and their scavenging systems should be checked with each use and maintained regularly by trained...

Antioxidant benefits of POM Wonderful 100% pomegranate juice top red wine, grape and acai juices

...m the California-grown Wonderful variety of pomegranate is the leader in the healthy beverage category by demonstrating the most complete free radical scavenging activity, greater protection of LDL-cholesterol from oxidation, and the highest polyphenol content compared to red wine and several juices. The st...

Targeting astrocytes slows disease progression in ALS

...nction is implicated in many diseases. The researchers speculate that the non-neuronal cells play a vital role in nourishing the motor neurons and in scavenging toxins from the cellular environment. As with microglia, the helper role of astrocytes is altered due to mutations in the SOD1 protein. We tested w...

Safer, Simpler, Better & Cost Effective Cosmetic Surgery Anesthesia

...sk of inhaling stomach contents into the lungs (aspiration) and constipation. Cost Effective: Because MIA does not require an anesthesia machine and scavenging of exhaled gases, it is far less expensive than GA. Propofol is now available as a generic drug so there is no longer a cost advantage to GA. The pub...
scavenging in Medical Technology

Hyperion Therapeutics Announces Results for Phase II Study in Urea Cycle Disorders

...or and Professor Department of Molecular and Human Genetics Baylor College of Medicine . The abstract is entitled " Phase 2 Study of A Novel Ammonia scavenging Agent In Adults With Urea Cycle Disorders (UCDs) ." (Logo: http://www.newscom.com/cgi-bin/prnh/20070905/AQW076LOGO ) The phase II study was...

Hyperion Therapeutics Completes Enrollment in Phase 1/2 Clinical Trial in Patients With Urea Cycle Disorders

...eutics, Inc. today announced that it has completed patient enrollment in its Phase 1/2 clinical trial to evaluate the safety, tolerability and ammonia scavenging effects of HPN-100 (formally called GT4P) versus BUPHENYL(R) (sodium phenylbutyrate) in patients with urea cycle disorders (UCD). The company plans to...

Hyperion Therapeutics Announces Enrollment of First Patient in Phase 1/2 Clinical Trial of GT4P in Patients With Urea Cycle Disorders

...results from the clinical trials of GT4P in the management of UCDs." The phase 1/2 study is designed to evaluate the safety, tolerability and ammonia scavenging effects of GT4P compared to BUPHENYL(R) (sodium phenylbutyrate) in patients with UCDs. A total of up to ten adults with stable UCD will be included in...

AGI Dermatics Presents Comparative Data That Indicates OCTN-1 Skin Cells Have the Ability to Recognize, Transport and Utilize L-ergothioneine (EGT) As A Protector Against Oxidative Damage

...thioneine (EGT) as a protector against oxidative damage, and importantly, that (EGT) acts as a more powerful and efficient antioxidant than idebenone, scavenging reactive oxygen species and reducing UV-induced hydrogen peroxide (H2O2). The data was presented at the 68th Annual Meeting of the Society for Investi...

Investigation Findings, Corroborated by Empirical Evidence of the Schisandra Berry as Cardio-Tonic in Traditional Chinese Medicine for Hundreds of Years, Support the Use of Schisandrin B in the Prevention and Treatment of IHD

...y cardio-protective effect or enhance tissue antioxidant status. This bespeaks much of the unique ability of Schisandrin B to enhance the free radical scavenging capacity of the heart, thereby protecting against I-R injury. The finding, which is corroborated by empirical evidence of the Schisandra berry as ca...
scavenging in Biological News

Scientists find missing enzyme for tuberculosis iron scavenging pathway

Scientists have discovered that a protein that was originally believed to be involved in tuberculosis antibiotic resistance is actually a "missing enzyme" from the biosynthetic pathway for an agent used by the bacteria to scavenge iron. The research appears as the "Paper of the Week" in the April...

Young dinosaurs roamed together, died together

...ese animals died a slow death in a mud trap, their flailing only serving to attract a nearby scavenger or predator," Sereno said. Usually, weathering, scavenging or transport of bone have long erased all direct evidence of the cause of death. The site provides some of the best evidence to date of the cause of d...

West Nile's North American spread described

...ecover. The extent of mortality in birds of prey and other affected animals remains largely unknown. Changes in seed dispersal, insect abundances, and scavenging services resulting from the virus's effects on wildlife "are probable and demand attention," according the article's authors, Shannon L. LaDeau of the...

BioScience tip sheet, November 2008

...tinue. Note: this article is the subject of a separate press release dated today entitled "West Nile's North American Spread Described." Pitviper scavenging at the Intertidal Zone: An Evolutionary Scenario for Invasion of the Sea. Harvey B. Lillywhite, Coleman M. Sheehy III, and Frederic Zaidan III. F...

October 2008 GEOLOGY and GSA TODAY media highlights

...old value of sulfide concentration above which the scavenging from molybdenum from the water column is complete....he time of the dinosaurs. Modeling of gold scavenging by bismuth melts coexisting with hydrothermal flui...h as intrusion-related gold (IRG) and gold skarns. scavenging of gold from aqueous fluids by bismuth-rich melts ...

New book further supports controversial theory of 'Man the Hunted'

...additional predators found in the fossil record since the first book's publication, evidence of predation by eagles, cannibalism, cut and tooth marks, scavenging and cooperation. "One major alternative theory that has gained more attention since we wrote the original book is that early man was not a hunter, ...

USGS news: August science picks

...unting, shooting sports, and in fishing tackle remains common. Numerous studies have documented adverse effects to wildlife, especially waterbirds and scavenging species, like hawks and eagles. Lead exposure from ingested lead shot, bullets and fishing sinkers has also been reported in reptiles, and studies nea...

Button mushrooms contain as much anti-oxidants as expensive ones

...er known mushrooms when they measured the respective mushrooms free radical scavenging ability. The French team also found that the body of the mushroom had a ...ably assumed that white button mushrooms have as much, if not more, radical scavenging power as mushrooms currently touted for their health benefit. The good thin...

Studies force new view on biology of flavonoids

...ase. Both of these protective mechanisms could be long-lasting compared to antioxidants, which are more readily used up during their free radical scavenging activity and require constant replenishment through diet, scientists say. However, Frei said, it’s also true that such mechanisms require only r...

Strawberry daiquiris -- the extra-healthy cocktail?

...ge, researchers from Thailand and the US discovered that treating the berries with alcohol led to an increase in antioxidant capacity and free radical scavenging activity within the fruit. While such a boost helped the berries resist decay, the same compounds would also be expected to make the strawberries heal...
scavenging in Biological Technology

University of Maryland Announces Finalists for $75K Business Plan Competition

...n any other rechargeable flexible thin-film battery in the world. It also recharges at extremely low voltages, enabling it to take advantage of energy scavenging techniques not feasible with other batteries. Finally, unlike other rechargeable thin film batteries requiring expensive semiconductor processing equi...

Nanogenerators produce electricity from running rodents and tapping fingers

... mechanical motion, such as the vibration of vocal cords, flapping of a flag in the breeze, tapping of fingers or hamsters running on exercise wheels. scavenging such low-frequency energy from irregular motion is significant because much biomechanical energy is variable, unlike the regular mechanical motion use...

Advanced Life Sciences Announces Collaboration With UK Ministry of Defence on ALS-886

...s a medical countermeasure." About ALS-886 ALS-886 is a small molecule therapeutic that, in preclinical studies, has demonstrated efficacy in both scavenging existing free radicals and sequestering free iron. Animal toxicology studies suggest the safety and benign side effect profile of ALS-886, which could...
scavenging in Biological Dictionary

Hydroxyl radical

... a Co(II)-mediated Fenton ... Astaxanthin exhibits strong free radical scavenging activity and protects ... Hydroxyl radical damage is "diffusion rate-li...nd hydroxyl radical at pH 7.8 by kinetic ... Important determinants for scavenging hydroxyl radicals were the 3,4-double bond ... An interstellar mole...
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