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Tag: "formed" at biology news

Biologists visualize protein interaction that may initiate viral infection

...ts have visualized the virus and CRD binding. "We formed the virus-CRD complex, took a snapshot and determined its structure," said Michael Rossmann, the Hanley Distinguished Professor of Biological Sciences in Purdue's College of Science. "Ultimately, researchers might want to find ways to treat or preven...

Genetically engineered mosquitoes show resistance to dengue fever virus

...rse copies of it into mosquito embryos. The copies formed a double-stranded RNA, which, as expected, bound with dicer-2 and was chopped up. The virus never had the opportunity to replicate. As a result, they could "inoculate" mosquitoes with a form of the virus that would essentially be benign. Joining Jam...

Legume compounds may help cancer treatment

...in progress with a New Zealand company. The CILR formed a commercialisation business "Meristomics" last Oc...ogical scientists working together. "The CILR was formed in 2003 through the Australian Research Council (ARC) Centres of Excellence scheme to create the sca...

One fish, two fish: New MIT sensor improves fish counts

...time scientists have been able to see the patterns formed by large fish populations. Makris found that fish often congregate in an hourglass pattern, also found among other animals, with a thin "bridge" connecting the two ends. The researchers also observed that the same shapes seen in a small scale appear ...

Stem cell transplants improve recovery in animal models for stroke, cerebral palsy

...eiving treatment developed new neurons, apparently formed from endogenous stem cells. "The mechanism that we are putting forward is these donor cells are secreting nourishing trophic factors that are helping the host brain cells survive and stimulating stem cells from the host to multiply," Dr. Borlongan s...

US woman gives birth to baby from world's first frozen donor egg bank

...s beautiful." The first frozen donor egg bank was formed based on new egg freezing technology developed by Jeffrey Boldt, PhD, Scientific Director for CEI. The pregnancy rates with donor eggs are beginning to show success rates equivalent to pregnancy rates using eggs before freezing. Donor eggs which ha...

Manchester scientists create new bio-gel for 3D cell culture

...l. They found that both the properties of the gels formed and the cell response to the gels could be controlled by using different combinations of di-peptides. The team recently received a £630k award from EPSRC to develop the gels further. ...

New weapon in battle against osteoporosis

...nd CB2," explains Dr. Karsak. "The CB1 receptor is formed by nerve cells in the brain and is responsible for...t signal molecules like the endocannabinoids being formed by the body are able to regulate bone growth. This thesis has been supported by experiments on mice...

Protein found to control tumor growth in certain breast cancers

...o regulate the growth of estrogen-sensitive tumors formed by specific cell lines in immune deficient mice. The evidence uncovered in this study provides new insights into the physiological functions of Nod1 and supports our contention that there is a clear link between Nod1 and estrogen sensitivity in thes...

Anti-inflammatory drug's potentially deadly side effect found to be rare

... who took natalizumab, Clifford and his colleagues formed an independent adjudication committee with its own charter. The committee's other members were Tarek Yousry, M.D., chief of radiology at the Institute of Neurology in Queen's Square, London; and Eugene Major, M.D., acting director of research at the ...

Even fish don't swim well when they're young!

...pes of fish. "Many fish larvae hatch without fully formed pectoral fins and all hatch without a swimbladder, so similar problems could occur for them", predicts Müller. This conclusion is all the more profound because it refutes two previous theories of poor hatchling swimming, one focusing on the burst ph...

Polymers show promise for lab-on-a-chip technology

...ries in the Netherlands, have shown that LCP, when formed into a thin film on a glass backing, can be fabricated and patterned on a microscale. The research was published recently in the Journal of Material Chemistry. "Based on our research of liquid crystalline polymers, we anticipate the emergence of exc...

Ultrasound may help regrow teeth

...Bialy first discovered new dental tissue was being formed after using ultrasound on rabbits. In one study, published in the American Journal of Orthodontics and Dentofacial Orthopedics, El Bialy used ultrasound on one rabbit incisor and left the other incisor alone. After seeing the surprising positive resu...

Honey helps problem wounds

...es are easier to remove without damaging the newly formed layers of skin.' Some wounds often smell unpleasan...ide, an effective antiseptic, are constantly being formed from the sugar in the honey. The advantage over the hydrogen peroxide from the chemist's is that sma...

Marine 'dead zone' off Oregon is spreading

A hypoxic "dead zone" has formed off the Oregon Coast for the fifth time in five years, according to researchers at Oregon State University. A fundamental new trend in atmospheric and ocean circulation patterns in the Pacific Northwest appears to have begun, scientists say, and app...

Delft water-purification method promises radical improvement

...aerobic (thus oxygen using) bacterial granules are formed in the water that is to be purified. The great adv...ed for this because the bacteria clusters that are formed take much longer to sink than the aerobic granule sludge. According to Delft PhD researcher Merle d...

Many cleaners, air fresheners may pose health risks when used indoors

...of the pollutants ?and to the secondary pollutants formed when some of the products mix with ozone ?may exceed regulatory guidelines when a large surface is cleaned in a small room or when the products are used regularly, resulting in chronic exposure, according to the study. The study is the first to meas...

Research identifies protein in mice that regulates bone formation

.... Jones, Wein and their colleagues found that Shn3 formed a complex with a protein known as WWP1; together, the pair degrades Runx2, a transcription factor that is the master regulator of osteoblast differentiation, which activates key bone formation genes. By removing Shn3 or WWP1, Runx2 doesnt degrade, wh...

Bones hold the key to blood renewal

...wn and reassimilates the material. Osteoclasts are formed when several cells (which themselves originate from hematopoietic stem cells) fuse together at a signal from the osteoblasts, and the two work together in a sort of 'urban renewal' scheme to keep the bones healthy and strong. The Weizmann Institu...

The structure of a virus infecting bacteria resembles a human virus

...the particles of the double-stranded RNA virus are formed in the host cell. However, it is still unclear how the virus distinguishes itsâ?super>TM own genetic information from that of other corresponding cellular molecules. Studying these events with the bacteriophage will help the understanding of sim...

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