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Tag: "well" at biology news

Misusing vitamin to foil drug test may be toxic; plus, it doesn't work

...er toxicity and hypoglycemia (low blood sugar), as well as nausea, vomiting and dizziness. One of the teens also had disrupted heart rhythms. All four patients recovered after treatment in hospital emergency rooms for the adverse effects. The report appeared online in the Annals of Emergency Medicine. ...

Loss of a universal tRNA feature reported

...ke essential contributions to protein structure as well as the catalytic mechanisms of enzymes and must be reliably incorporated during the process of translation. Until now, bacterial, archaeal, and eukaryotic tRNAs have always been found with an extra guanylate residue at the 5' end of the tRNA molec...

Are one-third of costly implanted heart devices unnecessary? New study suggests yes

...to reduce the overall risk of sudden cardiac death well enough to be given approval by the Food and Drug Administration and to receive coverage by Medicare and other insurers. In fact, in 2004 Medicare expanded the group of patients who were eligible for ICD therapy, leading to estimates that 50,000 ne...

Lithium builds gray matter in bipolar brains, UCLA study shows

... of emotions between mania and depression ?are not well understood. Nor is it understood how lithium works in controlling these severe mood swings, even though it has been the standard treatment for some 50 years. These new findings suggest that lithium may work by increasing the amount of gray matter in ...

When your brain talks, your muscles don't always listen

...is to improve movement quality in older adults, as well as patients with disorders such as cerebral palsy or multiple sclerosis, or who are recovering from strokes. Every move you make is made possible through a miraculous communications network involving the brain at the command center, the spinal cor...

Misclassified for centuries, medicinal leeches found to be 3 distinct species

...wild leeches from across their range in Europe, as well as from samples supplied by commercial providers and university laboratories that use leeches as model organisms. Their analysis clearly showed that the commercial and laboratory specimens were not Hirudo medicinalis, as they were labeled, but Hir...

Massive coral death attributed to earthquake

...CoERS says: "Amazingly, the uplifted corals are so well preserved we could still identify each species, de...we have found some reefs in excellent condition as well as and evidence of recovery at damaged sites. This gives some hope that coral reefs in this remote r...

Common gene version optimizes thinking -- but with a possible downside

...votal protein to depression and substance abuse as well as to schizophrenia," added NIMH Director Thomas Insel, M.D. To understand DARPP-32's role in the human brain, the NIMH researchers used genetic, structural and functional magnetic resonance imaging, and post-mortem techniques to identify the hum...

Africa's first large-scale HIV vaccine study launches

... in a predominantly heterosexual HIV epidemic, how well the vaccine works in women, and whether the vaccin...ted with this vaccine suggest that it is generally well tolerated and that the response of the immune system or immunogenicity is high. In South Africa,...

Chlamydia vaccine a step closer to reality

...prevention methods developed at the university, as well as compare and test possible prevention methods being developed by Sanofi-Pasteur. He said once a vaccine had been developed it could be administered via a patch, similar to ones used by smokers for nicotine. "Patches are a good way to deliver ...

Sheffield scientists light up bacteria

...te benefit to healthcare industries in general, as well as those involved in detecting infection in battle...uires swabbing and culturing of bacterial swabs as well as the use of specialist bacteriology laboratory facilities. By combining polymers, which change sha...

Anti-wrinkle compound causes pathological reaction in skin cells

..."instant anti-aging face-lifts." This compound, as well as other chemically similar ones, are also found in cosmetics, creams, lipsticks, shampoos, soaps, and baby lotions, although the way they work is not yet understood. In vitro tests conducted by Dr. Marceau’s team revealed that the application of ...

Fitness has fallen since the days of Ancient Greece

...te. Yet this large group, it seems, would match up well with the best of modern athletes. Either ancient Athenians had a more efficient way of rowing the trireme or they would have to be an extremely fit group. Our data raise the interesting notion that these ancient athletes were genetically better adapt...

Renegade RNA -- Clues to cancer and normal growth

...ecause microRNAs have been implicated in cancer as well as normal development, Mendell hopes that further study of miR-29b will reveal other, hidden functions of microRNAs. ...

Cold sore virus might play role in Alzheimer's disease

...ot having an ApoE gene at all. The ApoE gene is well known to Alzheimer's researchers. The gene, which ... ApoE-4 gene, brain cells don't seem to recover as well from injury, and the cells don't form new connections as well as cells equipped with either ApoE-2 o...

Gene elevating breast cancer risk also causes prostate cancer

...familial and 288 unselected colorectal cancers, as well as 164 familial and 475 unselected prostate cancer patients. In prostate cancer, one multigenerational cancer family was found where cancer occurred in several generations and all patients showed the single mutation in PALB2 that was studied. Accordi...

Protein fragments sequenced in 68 million-year-old Tyrannosaurus rex

...on and, second, ensure that whatever is there gets well preserved because it can be interrogated." The scraps of dinosaur protein were wrested from a fossil femur discovered by John Horner, of the Museum of the Rockies, and colleagues in 2003 in Hell Creek Formation, a barren fossil-rich stretch of lan...

Analysis of rhesus monkey genome uncovers genetic differences with humans, chimps

...amilies include important immune related genes, as well as genes with functions not yet fully known. In addition to comparing the rhesus with the chimp and human genomes, the group also studied genetic variation in macaque populations, and developed a set of 'single nucleotide polymorphisms' or SNPs (...

Link found between immune system and high plasma lipid levels

...erlipidemia, the mechanisms of which have not been well defined. Whether this is an intended and advantageous product of inflammation or untoward consequences of combating pathogens or autoimmunity remains to be determined." ...

Secret of worm's poison pill box protein could produce new natural insecticide

... and in Chemistry at The University of Warwick, as well as Coventry and Nottingham Universities, found tha... a hollow cage or box which is configured to bind well to part of a caterpillar’s gut called "Brush Border Membrane Vesicles" (BBMV). The XptA1 protein...

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