Tag: "defined" at biology news

'Lighter than air' breathing more than doubles COPD patients' exercise endurance

... that chronic obstructive pulmonary disease (COPD, defined as emphysema and chronic bronchitis) as a single cause of death around the world shares fourth place with HIV/AIDS, following coronary heart disease, cerebrovascular disease and acute respiratory infection. WHO estimates that 2,740,000 people died of...

Children's Hospital Boston launches major genetic study of autism

...he puzzle. Autism is a complex behavioral syndrome defined by developmental deficits, particularly communication deficits, impaired social interaction and repetitive behaviors. Affecting about one in 1,000 people, it is now thought of as a spectrum of disorders including autism, Asperger's syndrome and perv...

Study pinpoints protein's role in heart failure prevention

... but the specific molecules involved have not been defined until now." Cardiologists consider cardiac hypertrophy as one of the most potent predictors for adverse cardiac outcomes, such as heart failure and arrhythmias, or abnormal heart rhythms. "It's as bad to have cardiac hypertrophy as it is to have had ...

FDA approves ABRAXANE(TM) for metastatic breast cancer

...ly exposed to anthracyclines. The prospectively defined endpoint for this study was a protocol specific target lesion response rate based on data from the first six cycles of therapy using an independent radiologic review reconciled with the investigator response assessment. It is well established that i...

Current human embryonic stem cell lines contaminated UCSD/Salk team finds

...bryonic stem cells has become more specific, being defined in molecular terms," Varki said. "Such issues will, of course, become irrelevant if complete elimination of Neu5Gc can be achieved by deriving new human embryonic stem cells that have never been exposed to Neu5Gc-containing animal products of any ki...

Interaction between stem cells and their niches key to differentiation

...uke University Medical Center cell biologists have defined a signaling system between stem cells and the specialized "niche cells" that harbor and regulate them. The findings provide better understanding of the signals that stimulate stem cells to either create more copies of themselves or to differentiate i...

Molecular probes for biology research and drug discovery

...ute for Molecular Physiology The research approach defined as "chemical genetics" (the study of individual gene products using a combination of chemical and biological methods), and "chemical genomics" (the analogous study of the products of a gene family has certain advantages over the genetic methods: The ...

Recognizing new aneurysm syndrome can save lives

A research team led by Johns Hopkins doctors has defined the physical traits and genetic basis of a new aortic aneurysm syndrome that is extremely aggressive and can cause death in early childhood. Early diagnosis of the syndrome and rapid surgical repair of the swollen aorta can save lives, the researcher...

Topic of ASBMB-Avanti Award Lecture will be lipid-protein interactions

... years, Dr. Dowhan' s research has established and defined the molecular basis for new roles of lipids in a diverse number of cellular processes. His observations have expanded the number of investigators who now consider lipids as important to their studies. In short, Dr. Dowhan's science has been of fundam...

Removing prions that cause mad cow in humans from blood

...s release contains "forward-looking statements" as defined in the Private Securities Litigation Reform Act of 1995. These statements are based on current Company expectations and are subject to risks and uncertainties which could cause actual results to differ materially. Such risks and uncertainties inclu...

Secrets of whales' long-distance songs are being unveiled

... ours. Suddenly you realize that their behavior is defined not by my scale, or any other whale researcher's scale, but by a whale's sense of scale -- ocean-basin sized," he says. Clark, the I.P. Johnson Director of the Bioacoustics Research Program at Cornell in Ithaca, N.Y., will discuss his research into ...

Predicting the future: Mirror neurons reflect the intentions of others

...t these neurons differ in function from previously defined mirror neurons in that they apparently code not current actions, but some aspect of future ones. In this interpretation, an action observed within a familiar context activates mirror neurons for "logically related" actions, those that most likely wil...

Poor prenatal nutrition permanently damages function of insulin-producing cells in the pancreas

...humans: Infants with low birth weight -- typically defined as under five and one-half pounds -- have a higher risk for developing type 2 diabetes. To understand the reason, the researchers designed a series of experiments. Using ordinary mice that were not inbred or genetically altered in any way, they mate...

TAT2005 - 3rd International Symposium on Targeted Anticancer Therapies

...of rationally designed anticancer agents with well defined molecular targets in the cancer cell or the cancer cell's environment: targeted agents. The first representatives of this new generation of cancer therapies, including bevacizumab (Avastin), cetuximab (Erbitux) and bortezomib (Velcade), have already ...

Report highlights diseases from the environment

...d be a top priority." Environmental pathogens are defined as microorganisms that normally spend a substantial part of their lifecycle outside human hosts, but when introduced to humans cause disease with measurable frequency. They are carried in the water, soil, air, food and other parts of the environment...

Researchers make surprise discovery that some neurons can transmit three signals at once

...is contradicts the most basic principles that have defined the field of neuroscience. But when we also found that this glutamate activates NMDA receptors at the most critical stage of brain development and organization, we realized that this could explain a number of fundamental questions," explained Karl Ka...

Basis for DNA ejection from single phage particles

...ns of the genome in close proximity to genetically defined physical interruptions in the DNA. The authors discuss the relevance of this stepwise ejection to the transfer of phage DNA in vivo....

Blocking neurodegeneration by radiation and bone marrow transfer prevents inherited glaucoma in mice

...d's source for nearly 3,000 strains of genetically defined mice, home of the Mouse Genome Database and many other publicly available information resources, and an international hub for scientific courses, conferences, training and education....

Fossil records show biodiversity comes and goes

... land fossils. For their study, Muller and Rohde defined fossil diversity as the number of distinct genera alive at any given time. This yielded a total of 36,380 genera, whose history the Berkeley scientists tracked over time, using the International Commission on Stratigraphy's 2004 time scale. "Putting...

Studies expand understanding of X chromosome

...e identification of all genes, which are generally defined as stretches of DNA that code for particular proteins. The new analysis confirmed the existence of 1,098 protein-coding genes on the X chromosome. Only 54 of the 1,098 genes have functional counterparts on the much smaller Y chromosome, which has bee...

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Breaking Biology News(10 mins):Americans May Be Ready for a Brave New World of Healthcare 2Americans May Be Ready for a Brave New World of Healthcare 3Americans May Be Ready for a Brave New World of Healthcare 4Study finds laundry detergent pods, serious poisoning risk for children 2Universal Authentication Methods Provide More Secure Operations for Biometrics Devices - Company Joins FIDO Alliance for Consumer Protection 2Universal Authentication Methods Provide More Secure Operations for Biometrics Devices - Company Joins FIDO Alliance for Consumer Protection 3Universal Authentication Methods Provide More Secure Operations for Biometrics Devices - Company Joins FIDO Alliance for Consumer Protection 4Universal Authentication Methods Provide More Secure Operations for Biometrics Devices - Company Joins FIDO Alliance for Consumer Protection 5Universal Authentication Methods Provide More Secure Operations for Biometrics Devices - Company Joins FIDO Alliance for Consumer Protection 6
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