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Syracuse University researchers discover new way to attack some forms of leukemia

Each year, some 29,000 adults and 2,000 children are diagnosed with leukemia, a form of cancer that is caused by the abnormal production of white blood cells in the bone marrow. Current treatments rely primarily on killing the cancer cells, which also destroys normal cells. But what if a way could...

As Andean glacier retreats, tiny life forms swiftly move in, CU-Boulder study shows

A University of Colorado at Boulder team working at 16,400 feet in the Peruvian Andes has discovered how barren soils uncovered by retreating glacier ice can swiftly establish a thriving community of microbes, setting the table for lichens, mosses and alpine plants. The discovery is the first t...

Lab study shows methadone breaks resistance in untreatable forms of leukemia

PHILADELPHIA Researchers in Germany have discovered that methadone, an agent used to break addiction to opioid drugs, has surprising killing power against leukemia cells, including treatment resistant forms of the cancer. Their laboratory study, published in the August 1 issue of Cancer Resea...

Emergence of recombinant forms of HIV: dynamics and scaling

The emergence of drug resistant forms of HIV often underlies the failure of current antiretroviral therapies for HIV infection. Specific mutations in the HIV genome confer resistance to individual drugs. Recombination, a process similar to sexual reproduction in higher organisms, can accelerate ...

UNC nanotech spin-off forms new venture with Siemens

CHAPEL HILL, N.C. Some great inventions are birthed at a bar, their futures scribbled on cocktail napkins. Multi-pixel X-ray technology, the first substantial technological change in X-rays in more than a century, was born over a greasy Philly cheesesteak sandwich. It was 2000. Otto Zhou was t...

New vaccine may give long-term defense against deadly bird flu and its variant forms

WEST LAFAYETTE, Ind. - A new vaccine under development may provide protection against highly pathogenic bird flu and its evolving forms, according to researchers at Purdue University and the Centers for Disease Control and Prevention who discovered the new preventative drug and have tested it in m...

Hope among patients with ALS may take a variety of forms

New Rochelle, NY, March 27, 2008 -Sustaining hope in the face of a chronic, debilitating illness such as amyotrophic lateral sclerosis (ALS) should be a goal of palliative care and can take many forms, representing a continuum from focusing on the self to concern for others, as described in a pape...

Genetic pathways to curable and incurable forms of pancreatic cancer identified

Pancreatic ductal adenocarcinoma is an almost uniformly fatal disease regardless of the stage at time of diagnosis. However, a small percentage of patients develop a form of ductal adenocarcinoma associated with cystic lesions that can be detected earlier, is less aggressive and has a 50 percent lo...

Scientists discover new life forms in the Arctic Ocean

An international team of scientists including Université Laval biologist Connie Lovejoy has discovered new life forms in the Arctic Ocean. The team's findings are reported in the January 12 edition of the journal Science. The researchers have discovered a new group of microscopic organisms, which...

Creating new life forms that may help eradicate cancer affecting women

Instead of using the usual cancer-fighting modalities, surgery, chemotherapy, or radiation, researchers from a drug development company called Advaxis, have embarked on a novel approach to fighting cancer: Engaging the immune system to attack cancer in the same the way it would a flu vaccine, by cr...

How the octopus forms an elbow

The octopus arm is extremely flexible. Thanks to this flexibility--the arm is said to possess a virtually infinite number of "degrees of freedom"--the octopus is able to generate a vast repertoire of movements that is unmatched by the human arm. Nonetheless, despite the huge evolutionary gap and mo...

New study explores beetle species with two forms of females

A fascinating new study from the forthcoming issue of The American Naturalist attempts to explain the mysterious persistence of two forms of females in many diving beetle populations. Their findings have important implications for theories of sexual conflict, which arises when the costs and benefit...

Products containing specific probes for detecting alternative splice forms protected

ExonHit Therapeutics, today announced the grant of a major patent, US # 6,881,571, by the United States Patent and Trademark Office on microarray products allowing the specific detection of mRNAs produced by alternative splicing, covering microarrays optimised for the discovery of alternative RNA s...

Highest ever winter water temperatures recorded

... as they can have consequences for marine ecosystems, fisheries, aquaculture, coastal communities and more," Dr Cresswell says. The Leeuwin Current forms north of Australia and flows right around the western half of the country, meeting its better known cousin, the East Australian Current (EAC), at Tasm...

AGU journal highlights -- Aug. 6, 2009

...emicals between the troposphere and the stratosphere can influence ozone production and longevity. For example, bromine compounds can turn into active forms that can efficiently deplete ozone if they are transported from the troposphere to the stratosphere through what is known as the tropical tropopause l...

Climbing to new heights in the forest canopy

...still poorly-understood and is a topic of much ongoing research involving biophysics. After contacting a support, the stem of twining plants winds and forms a helix around the supporting structure. In leaf-climbers, the leaves bend and clasp the supporting structure; while in tendril-bearing plants, the te...

Climate-caused biodiversity booms and busts in ancient plants and mammals

...e warmed from about 60 degrees Fahrenheit to 73 degrees Fahrenheit (15 degrees Celsius to 23 degrees Celsius), vegetation changed, with many new plant forms appearing, and mammal diversity increased from 90 genera to an all-time high of 104 genera, the researchers found. "This is also the part of the E...

Stem cell 'daughters' lead to breast cancer

...asal-like tumours," she said. "It may even be possible to develop new drugs that target c-KIT, since drugs are already available that target different forms of this marker." Dr Lindeman said the identification of stem cells, luminal progenitor cells and other cell types in the breast was now beginning to...

August 2009 Geology and GSA Today media highlights

...ulfate reduction. Because bacteria are more efficient at converting isotopically lighter sulfate (32SO4) to sulfide, sulfide -- and the pyrite that it forms -- tends to be lighter, on average, than the original sulfate. Additionally, experiments have shown that the more sulfate there is in seawater, the gr...

UC San Diego engineer provides insights to decades-old DNA squabble

...iological conditions using fast computer algorithms, Arya has provided the first evidence that chromatin does not exist uniquely in solenoid or zigzag forms but rather exhibits a "heteromorphic" structure where both types of structures are in balance with each other. Arya's collaborators have developed an ...

Structure of protective protein in the eye lens revealed

...nter of Electron Microscopy. The research groups were able to show for the first time here that, contrary to previous suppositions, αB-crystallin forms a defined globular structure comprising 24 subunits, which are reminiscent of a perforated soccer ball. Thanks to the identification of the three-...

'Microfluidic palette' may paint clearer picture of biological processes

...chers inject dyes of the three primary colorsred, yellow and blueseparately into the three inlets of the system. For each dye, an independent gradient forms that remains constant as long as flow rate into the system does not change. Overlapping the three gradients results in a blend of dye concentrations i...

Sex in the Caribbean: Environmental change drives evolutionary change -- eventually

...tution of Oceanography, measured the relative amount of cloning and sex occurring in species over the last 10 million years in the Caribbean. "The two forms are unmistakable," explained O'Dea. "You can clearly see the first individual that founded a sexual colony, while a clonal colony preserves the fragme...

Researchers team up to provide new hope for childhood hunger

... on this global challenge. The focus of the newly formed Alliance will be to create low-cost, nutritionally complete foods to prevent and treat all forms of under-nutrition. These foods will incorporate crops that are protein and micronutrient rich, disease-and pest-resistant, and that can be disseminat...

Nanophysics: Serving up Buckyballs on a silver platter

...ward integrating it into molecular scale electronic devices like transistors and logic gates. To do this, researchers need to know how the molecule forms bonds with a metal substrate, such as silver, which is commonly used as an electrode in devices. Now, Hsin-I Li, Renee Diehl, and colleagues have dete...

UTMB study identifies women at risk of gaining excessive weight with injectable birth control

...cologists, more than 2 million American women use DMPA, including approximately 400,000 teens. DMPA is relatively inexpensive compared with some other forms of birth control, has a low failure rate and doesn't need to be administered daily, which contributes to the contraceptive's popularity. This stud...

What scientists know about jewel beetle shimmer

... When these cones solidify, they preserve their structures and produce colors as light hits them from different angles. The beetle's structure also forms helices similar to a cholesteric liquid crystal in that its straight cells sit on or are used to form the curved structure of its external skeleton. R...

Scientists discover gene mutation responsible for hereditary neuroendocrine tumor

...role in regulating blood pressure and blood flow. Approximately 25 percent of paragangliomas are hereditary. Of the four familial PGL syndromes, three forms have previously been associated with mutations in genes of the succinate dehydrogenase (SDH) complex, an enzyme complex involved in the ability of cel...

Researchers design first model motor nerve system that's insulated and organized like the human body

...ery and testing of new drug therapies for these conditions. MS, diabetic neuropathy, and many conditions that are caused by a loss of myelin, which forms protective insulation around our nerves, can be debilitating and even deadly. Adequate treatments do not yet exist. Researchers at the UCF have identi...

Skin-like tissue developed from human embryonic stem cells

...d specialized surfaces for cell attachment, an hES cell line (H9) was directed to form two distinct specialized cell populations. The first population forms the surface layer (ectodermal, the precursor to epithelial tissue), while the second is found beneath the surface layer (mesenchymal). Following ...

New research finds possible genetic link to cause of pregnancy loss and disorders

...here were fewer births. Further research revealed this is because aneuploidy was generated in the egg and passed on to the single-cell zygote that forms when a sperm fertilizes an egg. And this led to the loss of the embryo. "This work certainly points to Bub1 having a role in maternal age-induced f...

A global model for the origin of species independent of geographical isolation

...nt the extinction of a large chunk of life, but also to prevent ourselves from quenching the very forces that fuel the continuous creation of new life forms on earth." This study is also the fourth in a series from The New England Complex Systems Institute on the role of complexity in species coexisten...

Study explains potential failure of oral contraceptives with obese women

..., researchers noted in their study, because about 30 percent of all adults in the U.S. are obese and the birth control pill is one of the most popular forms of contraception in the nation. "We don't have enough data yet to recommend that physicians change their clinical practice for use of oral contrace...

Early-life experience linked to chronic diseases later in life: UBC research

...h Institute. This pattern of responses might contribute to the higher rates of infectious, respiratory, and cardiovascular diseases as well as some forms of cancer among people who grow up in low-SES households, according to the interdisciplinary research team that also includes scientists from the Univ...

Munich researchers discover new target for tailored antibiotics

...ersitt Mnchen, and their research team have described in detail the structural basis for just such a reaction step. The cells of virtually all life forms synthesize essential natural substances belonging to the class of terpenes and steroids from the small isoprene building blocks dimethylallyl pyrophos...

Toxin detection as close as an inkjet printer

...comprised of biocompatible silica nanoparticles is first deposited on paper, followed by a second ink containing the enzyme, and the resulting bio-ink forms a thin film of enzyme that is entrapped in the silica on paper. When the enzyme is exposed to a toxin, reporter molecules in the ink change colour in...

Parascript Signature Verification Technology Used by Moscow Law Firm to Detect Signature Fraud in $160,000 Debt Collection Case

...on technologies, the Parascript image analysis suite improves decision quality in medical imaging, postal and payment automation, fraud detection, and forms processing operations. Parascript software processes over 100 billion imaged documents per year. Fortune 500 companies, postal operators, major govern...

New Report Just Published: World Solid-State, Fiber, Gas and Dye Lasers Market Report

...1 Zecotek Laser Enters into Agreement with Fujikura II-41 Powerlase forms Partnership with NUI Galway II-42 Powerlase and Eolite Systems Join For... the US II-46 BAE Systems to Upgrade US Army Choppers II-47 Newport forms Fiber Laser Business Group II-47 CVI Laser LLC Acquires Melles Griot II...

Methane-eating microbes can use iron and manganese oxides to 'breathe'

...- consortia -- that use sulfates to convert methane for energy exist in marine sediments. Recently other researchers have identified microbes that use forms of nitrogen in fresh water environments to convert methane. "People had speculated that iron and manganese could be used, but no one had shown that...

Explosive growth of life on Earth fueled by early greening of planet

...matically, asteroids bombarded the planet and life forms came and disappeared. But one of the biggest momen... to the build up of oxygen and allowed higher life forms to evolve. Knauth and co-author Martin Kennedy...w oxygen levels and simple, bacteria dominant life forms into the kind of world we have today with abundan...
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