Tag: "are" at biology news
Climate change and permafrost thaw alter greenhouse gas emissions in northern wetlands
...e north isnt so permanent anymore, and scientists are
scrambling to understand the pros and cons when te...ast expanses of northern forests and wetlands that are
rooted, literally, in melting permafrost in many northern ecosystems. But rising atmospheric tempera...
OHSU turns mouse into factory for human liver cells
...cells that can be used to test how pharmaceuticals are
metabolized. The technique, published in the jou... use and widely available, to change the way drugs are
tested," said study leader Markus Grompe, M.D., professor of molecular and medical genetics, and ped...
Genetic variation helps to understand predisposition to schizophrenia
...ia. Although the exact causes of schizophrenia are
yet to be determined, scientists agree that the di... to genetic variations, Law says. These variations are
not simple to understand because they dont directly disturb the function of proteins. In our study, ...
Gilbert Foundation and American Fed for Aging Research award grants on Alzheimer's disease
...7 By 2050, more than 106 million people worldwide are
forecasted to have Alzheimers disease (AD), includ...rker of Alzheimer's disease" New therapies for AD are
hindered by the lack of reliable biomarkers which could track the clinical progression of the diseas...
1 of deep ocean's most turbulent areas has big impact on climate
...d plays a crucial climate role. Oceanographers are
working hard to understand how processes in the oc...ep the Earths climate stable, St. Laurent said. We are
aware that the climate is warming, but we dont yet fully understand how the changes will affect soci...
Penguins march into new park
...rk comes in the nick of time for many species that are
threatened by the regions fisheries and energy industry. The new park serves as a nesting and feeding ground for some quarter million pairs of Magellanic penguin, estimated to represent 20 percent of the entire species. The park includes more than ...
Antioxidant overload may underlie a heritable human disease
...Reductants, sometimes referred to as antioxidants, are
elements or compounds that easily give up an elect...e body, such oxidation-reduction (redox) reactions are
integral to the release and storage of energy. Many cellular pathways are
also sensitive to the prev...
Evolution is driven by gene regulation
...the protein coding genes of humans and chimpanzees are
about 99 percent the same, said senior author Mic... sequence of DNA regulatory regions, or promoters, are
more variable than the sequences of their corresponding protein-coding regions, making them harder t...
Research shows skeleton to be endocrine organ
typically thought of as calcified, inert structure...of type 2 diabetes. The discovery that our bones are
responsible for regulating blood sugar in ways that were not known before completely changes our und...
New molecular regulators of hyperthyroidism and goiter
...uch energy the body burns. Thyroid gland functions are
regulated by a hormone known as thyroid-stimulating hormone (TSH). Increased levels of TSH, as well as increased signaling through the receptor for TSH, result in hyperthyroidism (characterized by weight loss because the body increases the amount of ...
A unique arrangement for egg cell division
Heidelberg, 09 August 2007 - Which genes are
passed on from mother to child is decided very ear...at is unique to egg cells, half of the chromosomes are
eliminated from the egg before it is fertilised. Using a powerful microscope, researchers from the E...
JCI table of contents: Aug. 9, 2007
...uch energy the body burns. Thyroid gland functions are
regulated by a hormone known as thyroid-stimulatin...cute myeloid leukemia Tumor suppressor proteins are
so called because their functions oppose the development of cancer. Studies in mice indicate that th...
Proteaceae spread by continental drift and transoceanic dispersal
... this is the case for some of these plants, others are
far too recent to have lived at the time when the ... continents. Using carefully selected fossils that are
of known age and affinity, the mutation rate of the DNA sequences was calculated, allowing these sci...
European Science Foundation's Forward Look reaches out beyond the endless frontiers
..., research performing organisations and academies, are
also invited to put forward their topic suggestion...hers, groups of scientists or scientific societies are
encouraged to propose their topics by approaching either ESF Scientific Committees or ESF Member Org...
New test improves detection of liver cancer
...in which the normal liver cells become damaged and are
replaced by scar tissue. This reduces the amount o...on methods Methods of detecting malignant growths are
often based on the concentration of particular substances called 'markers' present in the blood. F...
Brain blood flow gives clues to treating depression
...ediately useful information in treating depression are
emphasized in a study in the August Journal of Nuc...cerebral blood flow, according to whether patients are
treated with medication or electroconvulsive treatment, he noted. We found that antidepressant medic...
Conventional plowing is 'skinning our agricultural fields'
...he need to feed a rapidly growing world population are
combining to deplete the Earth's soil supply, a ne...practices, soil creation and erosion. His findings are
being published this week in the online edition of the Proceedings of the National Academy of Scienc...
Smithsonian scientists show differing patterns of rainforest biodiversity
the worlds treasure houses of biodiversity, but all rainforests are
not the same. Biodiversity may be more evenly distributed in some forests than in others and, theref...
Carnegie Mellon's Peter Adams receives EPA research grant
...a serious health problem. Fifty thousand Americans are
thought to die prematurely each year due to particle exposure and almost 70 million Americans live in areas that violate the federal standard. That standard was strengthened in September after scientists, armed with years of studies showing that thes...
Cardio exercise benefits in male vs. female hearts
... factors and protective factors for heart diseases are
likewise unequal. The molecular mechanisms responsible for these differences are
so far unknown, but some believe it is due to chromosomal linked genes or sexual hormones such as es...
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