Tag: "low" at biology news
Rare mutations can significantly increase risk factor for heart disease
...are gene mutations can contribute significantly to low
levels of a beneficial form of cholesterol in the ...archers to identify a mutation in individuals with low
levels of HDL and look for the frequency of that mutation in the general population. In this study, ...
Hopkins scientists use blood proteins to detect ovarian cancer
...ed to select proteins present at unusually high or low
levels in ovarian cancer samples as compared with normal or benign. Samples in the two groups were analyzed separately to account for differences in patient populations and sample collection techniques. Then, researchers compared protein profile re...
Alcohol-use and depression among pregnant and postpartum women
... fatigue, difficulty sleeping, poor concentration, low
self-esteem, and in some cases, thoughts of harming themselves," explained Gregory G. Homish, research associate at the Research Institute on Addictions at the University at Buffalo - SUNY and first author of the study. "Individuals with an alcohol-...
Protective gene may enhance vaccine responses
...d fewer memory cells. As a consequence, mice with low
Spi2A levels produced a severely diminished response to the virus when exposed to it a second time. On the other hand, mice with elevated Spi2A produced up to five times the normal number of memory T cells. When faced with the virus a second time,...
Near-zero-energy buildings blessing to owners, environment
...Department of Energy near-zero-energy homes. While low
or no electric bills are an obvious benefit, high ... technologies that enable net-zero-energy homes at low
incremental costs, today's focus is on leading new home owners and builders toward houses that boast...
Rutgers-Newark scientist: Mosquitoes may carry lethal parasite
...ancer patients undergoing chemotherapy who have a low
white blood-cell count need to take extra care to avoid ingesting microsporidial parasites. She recommends that they always boil tap water before consuming it or stick to bottled water as long as the source of the bottled water is deep springs or w...
Excess thyroid hormone harmful to fetus
...at all women being treated prior to conception for low
thyroid hormone -- a common occurrence -- "increas...below the World Health Organization's criteria for low
birth weight. "This suggests," the authors note, that high maternal thyroid hormone levels, could "...
Brain's reward circuitry revealed in procrastinating primates
...e extreme workaholics, as evidenced by a sustained low
rate of errors in performing the experimental task, irrespective of how distant the reward might be," said Richmond. "This was conspicuously out-of-character for these animals. Like people, they tend to procrastinate when they know they will have to ...
The telomere crisis: A crucial stage in breast cancer
...bility and evidence of rearranged chromosomes were low
before telomere crisis -- just as in the tissue sa... successful passage through the telomere crisis is low
-- most cells damaged because of shortened telomeres can't evade cell death. In fact, women with usu...
Scientists identify compounds that mimic calorie restriction
...e identified compounds that mimic the effects of a low
calorie diet but without a change in the amount of essential nutrients. The researchers believe it may be possible to design drugs that imitate many of the beneficial effects of calorie restriction resulting in the prevention of diseases, such as dia...
Biologists deciphering complex lemur scent language
...s," said Drea. "The males' wrist gland gives off a low
volume of clear liquid. And the shoulder gland produces a thick brown paste. And both male and female genital glands produce a sticky goo that females might mix with urine, and which might have an effect on the message the female is encoding." Scord...
Size does matter when choosing a mate
...identified by Rensch. In contrast, in species with low
intensity of male-male competition, females tend to be the larger of the sexes....
New hypoxic event found off Oregon coast
...r to one in 2002, when an area of ocean water with low
oxygen content formed in the nearshore Oregon coas...vent a situation in which the oxygen level was so low
it could not support most marine life which had not been seen in the region's recent history. But c...
Preschool bolsters early childhood immunity, reduces risk of young adult Hodgkin's lymphoma
...g adults to high maternal education, few siblings, low
housing density, and other aspects of higher childhood socioeconomic status," noted lead author Ellen T. Chang, Sc.D., of the Harvard School of Public Health. "It has been believed that these characteristics postpone childhood exposure to common pat...
Discoveries in neuroscience
...blocks two gap junction proteins, or connexins, in low
doses and with very few side effects in the brains of laboratory mice. The work opens an important door: Connexins found in high concentrations in the brain are believed to play a critical role in movement, vision and memory. To understand how these ...
Revealing bizarre deep-sea secrets
...ntervals to film animals and activities using very low
levels of infrared light that deep-sea animals can... been the case with past research. Eyes adapted to low
light in the deep sea can be destroyed even by the relatively dim lights of a ship at night. The tr...
Fundamental change to Immunology 101
.... "It's known that they must be there, but at very low
frequencies," explains Bhandoola. "Our l...sed flow cytometry to detect cell types present in low
frequencies. Flow cytometry squeezes cells one-by-one past a bank of lasers, detecting which cells f...
Dispute over life in Antarctic lake
... also analysed Vostok accretion ice and found very low
numbers of what he thinks could be genuine bacteria. "I expect the same in Vostok." But what if the Russians are right? "It would be bigger news if Lake Vostok were found to be sterile, than the more probable result that it contains a small populatio...
Babies with DiGeorge syndrome saved by immune supression, thymus transplant
... complete DiGeorge, including heart abnormalities, low
calcium levels because of a missing parathyroid gland, esophageal defects and facial abnormalities such as low-set ears, wide-set eyes and a small jaw. The disorder can arise spontaneously or run in families. In less than half of cases, infants with ...
Huge market for forest moss raises concerns
...en they sell it to a wholesaler, more often at the low
end of that range. But the pounds can add up. Muir estimates again, with a huge range of variability that between 2 and 82 million pounds of moss is used in, or exported from the U.S. each year, with a final market value that could ap...
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