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Model tissue system reveals cellular communication via amino acids

A team of researchers from the Massachusetts General Hospital Center for Engineering in Medicine (MGH-CEM) has found the first evidence of cell-to-cell communication by amino acids, the building blocks of proteins, rather than by known protein signaling agents such as growth factors or cytokines. ...

Genetic evidence for avian influenza movement from Asia to North America via wild birds

Wild migratory birds may be more important carriers of avian influenza viruses from continent to continent than previously thought, according to new scientific research that has important implications for highly pathogenic avian influenza virus surveillance in North America. As part of a multi-...

Telemedicine: Health alert via satellite

Heraklion, Crete: An earthquake has just shaken the Greek island. Damage is widespread and all conventional, terrestrial communications have been destroyed. The rescue operations have only one means at their disposal that has not been affected by the quake - a satellite which, from its altitude of...

Study shows enzyme builds neurotransmitters via newly discovered pathway

The study, which was directed by Scripps Research Professor Benjamin Cravatt, Ph.D., is being published in the September 8 issue of The Journal of Biological Chemistry. The new study describes a pathway-different than the one previously suggested-for the biosynthesis of neurotransmitter lipids, N...

Mayo Clinic researchers discover cancer cells may move via wave stimulation

Mayo Clinic researchers have uncovered a new cellular secret that may explain how certain cancers move and spread -- a feature of cancers that makes treatment especially difficult. If the mechanism that drives cancer movement -- also called metastasis -- can be understood well enough to manipulate ...

HIV accessory protein disables host immunity via receptor-protein intermediary

Researchers at the University of Pennsylvania School of Medicine discovered that an HIV-1 accessory protein called Vpr destroys the host cell's ability to survive by binding to a host receptor. This, in turn, keeps an important enzyme from activating the cell's immune system. These findings refine ...

NIH stimulus funding supports Emory biomedical scientists

...s for inherited hemophilia and cardiovascular disease. This study looks at one particular clotting protein, factor VIII. Biomarkers for Alzheimer's via magnetic resonance: Identifying patients who are developing Alzheimer's disease could help neurologists treat it earlier and possibly delay its progr...

La Jolla Institute discovers novel tumor suppressor

...leukemia." The findings are being published online today in the journal Cancer Cell in a paper entitled "Tumor Suppression by Phospholipase C- 3 via SHP-1-Mediated Dephosphorylation of STAT5." Researchers from UC San Diego Cancer Center, University of Alabama and the University of Western Ontario a...

Stem cell research: From molecular physiology to therapeutic applications

...es and organs. They generated cells not only for the damaged tissues in which they reside, but also for damaged tissues at other locations in the body via migration triggered by proinflammatory cytokines and growth factors. The potential use of MSCs in tissue regeneration has been shown in several models...

Researchers team up to provide new hope for childhood hunger

...on of the world's most severely malnourished children. The new Global Harvest Alliance promises to accelerate the advances which Dr. Manary champions via the combined commitments of Washington University School of Medicine, St. Louis Children's Hospital and Donald Danforth Plant Sciences Center," said A...

Indonesia Now Using MegaMatcher Biometric Technology in Integrated Passport Issuance System

...tcher Server solution, provides the identification and duplicate searching in the national passport database. Results are returned to the local office via SAF where, if appropriate, the passport is issued. The system at each Immigration Office utilizes a Linux Server with browser Clients running ...

After dinosaurs, mammals rise but their genomes get smaller

...e result of natural selection against excess DNA. An LTR is far more likely to survive a few years of cell divisions -- and the chance of obliteration via a DNA replication error -- than 10 million years of cell divisions. Plotting the full range of 17 species' LTRs, young and old, Lynch and his colleagu...

Bioterrorism and disaster preparedness explored in special issue of Medical Decision Making

...se, and good model reporting of the disaster response. "Evaluating the Capability and Cost of a Mass Influenza and Pneumococcal Vaccination Clinic via Computer Simulation" This research set out to determine the best way a clinic could vaccinate as many as 15,000 clients in 17 hours, including suc...

University has grand designs to build a house of straw

...leHaus" made of prefabricated straw bale and hemp cladding panels on campus. And people around the world will be able to watch its progress online via "Strawcam" from Monday 20 July at: www.bath.ac.uk/features/balehaus/ - part of a site which will also feature blogs, videos, photos and lots of othe...

Placenta-derived stem cells may help sufferers of lung diseases

...ly-treated (bleomycin) mice." According to Dr. Parolini, cells delivered via intra-peritoneal transplant, regardless of the cells being allogenic or xen...ffects in lung diseases. The cells' ability to reduce neutrophils possibly via secreted anti-inflammatory factors implies their use either as autografts o...

Results of national assessment of first responder location systems to be announced Aug. 3

...ey have taken on an easy-to-understand display screen at the command center. The WPI system also provides physiological monitoring of first responders via a sensor-equipped shirt developed by Foster Miller and a wireless pulse oximeter developed at WPI. ...

In vitro antibody production enables HIV infection detection in window period -- key to safer blood

...y production, made simple by the SMARTube, has been shown to enable the earlier detection of HIV infection. This is critical for saving lives not only via a safer blood supply but also by detection of HIV infection among pregnant women who seem to have a very long window period. "A pregnant women testing...

Chasing tiny vehicles

...here their cargo is needed. Magnetic particles have already been tried in cancer therapies: They have been administered by infusion and then directed via magnetic fields to a tumor whose cells they should invade directly. But until now, is has been impossible to observe nanoparticles along their route...

Aware, Inc. Announces Q2'09 Earnings Conference Call

...listen to the call at www.earnings.com , Thomson's individual investor portal, powered by StreetEvents. Institutional investors can access the call via Thomson StreetEvents ( www.streetevents.com ), a password-protected event management site. About Aware Aware is a leading technology...

Scientists report first remote, underwater detection of harmful algae, toxins

... and wildlife. The ESP then conducts specialized, molecular-based measurements of species and toxin abundance, and transmits results to the laboratory via radio signals. "This represents the first autonomous detection of both a HAB species and its toxin by an underwater sensor," notes Greg Doucette, P...

Munich researchers discover new target for tailored antibiotics

...hylallyl pyrophosphate (DMAPP) and isopentenyl pyrophosphate (IPP). Mammals and a large number of other organisms generate these essential metabolites via the so-called mevalonate pathway. But most human pathogens, including Plasmodium falciparum , have developed an alternate mechanism for producing the...

Researchers gain insight into mechanism underlying Huntington's

...ved. Two key TNRs, CAG and CTG repeats associated with Huntington's disease and myotonic dystrophy, respectively tend to form hairpin structures via strand slippage in the newly synthesized or "nicked" DNA strand during DNA synthesis associated with DNA replication and/or repair. These hairpin stru...

Hush little baby... Linking genes, brain and behavior in children

...ry responsiveness, risk-seeking behavior, and attention problems in children. In the present study, brain activity was measured in 9-month-old infants via electroencephalography (EEG) recordings. When the children were 48 months old, their mothers completed questionnaires regarding their behavior and DNA...

ACS Technologies(TM) Selects M2SYS for Innovative Biometric Software

...ications, ACS(TM) and PDS(TM). Nearly 50,000 different organizations rely on ACS Technologies daily to help them take their ministry to the next level via desktop, Web and mobile solutions. This release was issued on behalf of the above organization by Send2Press(R), a unit of Neotrope(R). http:/...

Toward an explanation for Crohn's disease?

...in a specific family of bacteria called mycobacteria. When mycobacteria invade the human body, they cause an immediate and very strong immune response via the NOD2 receptor. "Now that we have a better understanding of the normal role of NOD2, we think that a mutation in this gene prevents mycobacteria...

Sustainable bioenergy project has global launch

...e been undertaken within a largely business-as-usual context. In particular, none have explored in any detail on a global scale what could be achieved via complementary changes fostering graceful coexistence of food and biofuel production." The second stage of the project will address whether it is phy...

Investing wisely to save the Great Barrier Reef

...ent worked in collaboration to design the process and provide the necessary scientific input to support the decision. Stakeholders were consulted via surveys and workshops held with regional natural resource management agencies, agricultural industry representatives and conservation groups. "The ...

Pacific Northwest forests could store more carbon, help address greenhouse issues

... primarily for that purpose through timber harvest reductions and increased rotation ages. In the complete absence of stand-replacing disturbances via fire or timber harvest forests of Oregon and Northern California could theoretically almost double their carbon storage. Although it isn't realist...

Colorectal cancer

...es Fritzmann, "but the dangerous metastases." Metastases arise when single cells break off from the primary tumor and spread to other body regions via the blood vessels or the lymphatic system. In colorectal cancer, these cells usually settle in the liver, lungs, or lymph nodes. Since the affected pa...

NSF provides $3.4 million to study climatically important Agulhas Current

... of the last ice age." In addition, Beal believes there may be other, so far unstudied climatic impacts such as heat transport into the Southern Ocean via the unstable retroflection. The Agulhas Current Time-series (ACT) project will be conducted in two phases. The first requires the deployment of an...

ICSI or IVF: Babies born from frozen embryos do just as well

...ce that babies born from frozen embryos fertilised via ICSI (intracytoplasmic sperm injection) do just as... well as those born from frozen embryos fertilised via standard IVF treatment. The researchers also co...ooked at all births from frozen embryos, conceived via ICSI or IVF, between 1993 and 2007. Ms Neri ide...

Europe and China watching Earth together

...g it is an example of "good cooperation, trust and shared interests." The first phase of Dragon developed the exploitation of ESA EO data in China via joint projects led by Chinese and European scientists. Dragon 2 expanded this by adding new scientific themes and including the joint exploitation of ...

CSHL scientists harness logic of 'Sudoku' math puzzle to vastly enhance genome-sequencing capability

...iduals who carry mutations that cause genetic diseases a process known as genotyping. The CSHL team has already begun to explore this possibility via a collaboration with Dor Yeshorim, a New York-based organization that has collected DNA from thousands of members of orthodox Jewish communities. The ...

Study on keeping nuclear bombs from US ports shows misplaced fear over cargo scanning cost

...escribe as an industry-centric model, a larger number of containers virtually all those originating outside the U.S. would receive a rapid screening via low-cost, drive-through radiation and medium energy x-ray radiographic portals as they enter an international port. Containers that fail will not be p...

The SIB recognizes the next generation of bioinformaticians

...n of protein sequences. A key feature of the method is that it is able to disentangle direct interactions from indirect interactions that are mediated via other residues. As such the method greatly improves the prediction of contacting amino acids in the 3-dimensional structure of proteins and is thus ex...

Research vessel Polarstern starts 24th Arctic season

... structure and tectonics of the Arctic. Polarstern is expected back in Bremerhaven September 25th. The first journey stage will lead the researchers via the Greenland Sea and the Fram Strait to Longyearbyen on Spitsbergen. The area has increasingly come into the centre of attention of oceanographic res...

Scientists sequence genome of the N2-fixing, soil-living bacterium Azotobacter vinelandii

... may be damaged by the presence of oxygen. A. vinelandii lives in soil and has the ability to convert nitrogen from the atmosphere into ammonia via bacterial enzymes called nitrogenases. Nitrogen fixation is essential for life since different nitrogen-containing molecules are used to produce DNA a...

Potential for non-invasive brain tumor treatment

...sensitive microbubbles called liposomes. "Physicians would inject drug-carrying liposomes into a patient's bloodstream, and then insert a catheter via a blood vessel to the site of the brain tumor," said Carl Herickhoff, fourth-year graduate student at Duke's Pratt School of Engineering and first aut...

Plant microbe shares features with drug-resistant pathogen

... have shown promise. These include: stimulating plant growth and protecting plants against pathogens; the breakdown of natural and man-made pollutants via bioremediation and phytoremediation; and the production of useful biomolecules such as drugs or industrial enzymes. Based on the results of this s...

Protein regulates movement of mitochondria in brain cells

...ellular structure that consist of a main cell body and dendrites and axons that project out from the cell core and transmit signals to adjoining cells via synapses at their terminus. "Neurons are at a disadvantage in terms of their anatomy," said Rempe. "They put out enormous arms of axons and dendr...
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