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Tag: "key" at biology news

Novel ultrafast laser detection of cancer cells also may improve understanding of stem cells

...th of a single mammalian cell," says Gourley, "the key discovery was the elucidation of biophotonic differences in normal and cancer cells by using intracellular mitochondria as biomarkers for disease. This technique holds promise for detecting cancer at a very early stage and could nearly eliminate dela...

PANTHER Protein Classification System Database 5.0

...fic community. Dr. Kitano’s ‘process notation?is a key advancefor representing biological pathways in a way that is accessible notonly to bench biologists, but also to computational biologists. TheCellDesigner software immensely simplifies the task of capturing anddisplaying detailed pathway data,?added ...

International trial of two microbicides begins

...y transmitted infections (STIs)--will one day be a key tool in the fight against HIV/AIDS. Women make up nearly half of all people living with HIV worldwide. "The majority of new cases of HIV infection in women result from heterosexual intercourse, but women may not always be able to insist that their m...

MetaChip provides quick, efficient toxicity screening of potential drugs

...y transmitted infections (STIs)--will one day be a key tool in the fight against HIV/AIDS. Women make up nearly half of all people living with HIV worldwide. "The majority of new cases of HIV infection in women result from heterosexual intercourse, but women may not always be able to insist that their m...

Newly Discovered Compound Blocks Known Cancer-Causing Protein

...cal companies to test compounds that block another key player in the pathway, a protein called farnesyltr...asey and his colleagues have been studying another key player in the pathway, the Icmt enzyme. Icmt adds a chemical tag called a "methyl group" to Ras. Thi...

White blood cell waste disposal system plays critical regulatory role

...dy identifies a critical inhibitory step that is a key component of the feedback circuit regulating the balance between neutrophil production and destruction. The research, published in the March issue of Immunity, suggests that the process for disposal of dying neutrophils is actively linked to neutroph...

New RNA polymerase discovered in plants

...ant role in plant flowering and DNA methylation, a key chemical process essential for an organism's devel...specifically at two polypeptides that would be the key subunits if the fourth polymerase were functional, namely the largest and second largest subunits, w...

New methods of gene delivery using lasers

...am of researchers from across the University ?with key figures from the School of Physics and Astronomy, the School of Biology and The Bute Medical School. Key researchers Lynn Paterson and Ben Agate of the School of Physics and Astronomy said: “We believe we have only touched the surface with this tec...

Influenza vaccine uses insect cells to speed development

... Sciences Corporation have been able to speed up a key step in the development of an experimental cell-ba...ccine virus. It uses a purified concentration of a key molecule on the surface of the virus, called hemagglutinin, to elicit an immune response against tha...

RNA project to create language for scientists worldwide

...lls grow and develop as they do. This knowledge is key to curing hereditary diseases." The National Science Foundation is providing $500,000 for the five-year project as one of its Research Coordination Networks, whose goals are to "encourage and foster interaction among scientists" and to facilitate "i...

South America's vast pantanal wetland may become next everglades, UNU experts warn

...ted, this project could potentially modify various key ecological processes in the Pantanal, including the flood pulse. The Hidrovia, if fully constructed, would reduce the area flooded in the Pantanal." Meanwhile, a large hydro-electrical facility was recently constructed on the Manso River, a principa...

Affymetrix and the Karolinska Institutet Announce Translational Medicine Strategic Alliance

...both gene expression and DNA sequence variation in key areas of unmet medical needs. "Today we have access to a very broad range of population-based clinical materials and data, that we want to study in order to understand the importance of genetic factors for emergence and treatment of various diseases...

Implanted Devices Detect High-Risk Heart Failure Patients

...ng cardiologists a new view of subtle changes in a key measurement of heart health -- heart rate variability. Patients with little variability -- whose hearts are unable to appropriately react to external stimuli by regulating their beating action -- are known to be at higher risk of suffering a heart at...

Affymetrix and Stratagene Announce Strategic Software Alliance

...gene. "We believe that our technology will provide key functionality needed to support important genomic studies. In addition, we're very excited to join Affymetrix' consortium of developers in an effort to bring to market breakthrough gene expression microarray technology. By partnering with other thoug...

VCU Researchers Identify Networks Of Genes Responding To Alcohol In The Brain

...indings suggest a 'network' of genes that may be a key to understanding drinking behaviors and the mechanisms of alcoholism." Other studies have suggested that interfering with Bdnf signaling can alter alcohol consumption. If researchers can identify drugs that may inhibit or activate the function of o...

Chemists identify key gene in development of type 1 diabetes

...they have identified a gene that appears to play a key role in the development of type 1 diabetes, also known as insulin-dependent or juvenile diabetes, a disease that affects about one million people in the U.S. and is on the rise worldwide. They described their findings, which they say could lead to ne...

Bone Density Recovers After Teens Stop Injected Contraceptive

...scents adversely impacts [bone mineral density] at key anatomical sites,?the study authors wrote. “However, these results in teens and those from our previous cohort provide reassurance that bone loss is regained, even in younger users.?/p> The current study is among several funded by NICHD to evalua...

Towards precise classification of cancers based on robust gene functional expression profiles

...they have identified a gene that appears to play a key role in the development of type 1 diabetes, also known as insulin-dependent or juvenile diabetes, a disease that affects about one million people in the U.S. and is on the rise worldwide. They described their findings, which they say could lead to ne...

Rats infected as newborns grew up vulnerable to memory problems during an immune challenge

...that higher IL-1BETA in the brain's hippocampus, a key memory area, disrupts the consolidation of memories following a learning experience. Thus it appears that there may be an optimal range for IL-1BETA, with either too much or too little inhibiting memory storage. Bilbo says, "The take-home message is ...

Mayo Clinic Researchers Create 'Obedient Virus'; First Step To Use Measles Virus Against Cancer

... the cancer-seeking measles virus. This tag is the key innovation of their work and central to the success of the team's investigation. It enables researchers to grow retargeted measles virus on special "universal substrate cells" -- while at the same time conserving the viral component for targeting and...

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