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Tag: "recently" at biology news

Researchers urge monitoring of bone health during chemotherapy

... Neulasta and Granocyte. Clinical use of G-CSF has recently increased because by speeding blood cell regrowth it allows patients to undergo more intensive chemotherapy regimens in which anticancer agents are given at more frequent intervals. Studies have suggested these dose-dense therapies could prolong surv...

Finnish scientists discovered a new approach to treat virus-induced lymphomas

...tated or deleted in 50% of all malignant tumors. A recently discovered strategy for p53 activation targets the interaction of p53 with its negative regulator MDM2. This is based on a potent and selective small-molecule inhibitor of the p53–MDM2 interaction, the Nutlin-3a, originally discovered by Dr Lyubomir ...

Genes and biomarkers that allow doctors to choose the right therapy for the right patient

... cancer cells to lapatinib, a cancer drug that was recently approved for use in metastatic breast cancer under the name Tykerb. The study, a collaboration with GlaxoSmithKline, evaluated 7,000 genetic targets in human head and neck cancer cells to discover specific genes that might shade an individual’s r...

Bats prey on nocturnally migrating songbirds

...hnique of stable isotopes was applied because this recently developed method allows tracking species' main dietary specializations and trophic level position along food chains. The researchers concentrated on carbon and nitrogen isotopes, which are among the best dietary tracers. They analysed their concentra...

New species declared: Clouded leopard on Borneo and Sumatra

...nous region of rainforest the size of Kansas. WWF recently released a report showing that scientists had identified at least 52 new species of animals and plants over the past year on Borneo. Last month in Bali (Indonesia), the ministers of the three Bornean governments ?Brunei Darussalam, Indonesia and ...

OHSU lab finds meth receptor that could lead to therapy

A recently discovered signaling system in the brain has just ...e craving that drives its abuse. Working in the recently opened Program in Chemical Biology in the OHSU School of Medicine's Department of Physiology and Pha...

Researchers find 6,000-year-old fossil evidence

...nobotanist at the University of Missouri-Columbia, recently found fossil evidence in seven archaeological sites ranging from the Bahamas to present-day Peru that showed people were eating domesticated chili peppers as long as 6,000 years ago. This makes chili peppers one of the oldest domesticated food source...

Elderly spinal cord injuries increase five-fold in 30 years, Jefferson neurosurgeons find

...l Spinal Cord Injury Center of the Delaware Valley recently reported. As the population within the United States ages, it is estimated that 20 percent of its population will be older than age 65 by the year 2040, and will likely impact spine surgeons and spinal cord rehabilitation centers as these patients b...

Sleep enforces the temporal sequence in memory

...nd that this process relies on the brain replaying recently encoded experiences during the night. The same research group now provides evidence that sleep not only strengthens the content of a memory but also the particular order in which they were experienced, probably by a replay of the experiences in "forw...

Researchers discover surprising drug that blocks malaria

...lack of an effective vaccine, Haldar said. Jamaica recently reported an outbreak of malaria after it had been eradicated in that country for 50 years. A blood-borne illness, malaria is transmitted by infected mosquitoes. The symptoms include high fevers and flu-like symptoms such as chills, headache, musc...

Rewarding fat rats

...ter Shizgal for most of his career. Shizgal was recently recognized for his contributions by the American Association for the Advancement of Science (AAAS). He will be inducted as a fellow during its annual conference in San Francisco, from February 15 to 19. "It's an honour to receive this sort of reco...

Napoleon's mysterious death unmasked, UT Southwestern researcher says

...kely at fault, Dr. Genta said. Other scholars have recently found that the plump emperor lost at least 20 pounds in the last six months of his life, a sign of gastric cancer. The autopsy descriptions show that Napoleon's stomach was filled with a dark material that resembled coffee grounds, an indication of g...

Scientists unlock mystery of embryonic stem cell signaling pathway

...esearch performed by a team of scientists who have recently joined the stem-cell research efforts at the Keck ...primary investigator, Michael Kahn, Ph.D., who was recently named the first Provost’s Professor of Medicine and Pharmacy at USC. Such a layer is needed because ...

The connector rotation hypothesis? Phage do not pack their DNA by rotation

...rs noted that their findings are compatible with a recently proposed nonrotating model in which the ring of ATPases alternately compresses and extends, drawing in the DNA. But further testing will be needed to confirm the validity of that model to the degree of certainty with which this team rejected the rota...

Scientists re-grow dental enamel from cultured cells

...ave the capacity to produce enamel. This group has recently shown that epithelial cells extracted from the developing teeth of 6-month-old pigs continue to proliferate when they are cultured on top of a special feeder layer of cells (the feeder-layer cells are known as the 3T3-J2 cell line). This crucial step...

Organic is healthier: Kiwis prove that green is good

...k Exchange under the symbols JWa and JWb. Wiley's recently re-launched Internet site can be accessed at http://www.wileyeurope.com ...

Ladybugs may be cute, but watch out when they get near wine

...000 years later than commonly believed, perhaps as recently as 1.6 million to one million years ago, when two later species, H. ergaster and H. erectus, lived. Dr. Bromage presented his findings today at the annual scientific session of the International Association for Dental Research in New Orleans. Th...

Man's earliest direct ancestors looked more apelike than previously believed

...000 years later than commonly believed, perhaps as recently as 1.6 million to one million years ago, when two later species, H. ergaster and H. erectus, lived. Dr. Bromage presented his findings today at the annual scientific session of the International Association for Dental Research in New Orleans. Th...

Reminding doctors which antibiotics to prescribe cuts C. difficile infection rates

...pidly in the UK and a new more virulent strain has recently been identified2 A 2005 study by the Healthcare Co... the opportunity to spread in the guts of patients recently treated with antibiotics. Infected patients can develop diarrhoea, colitis, and other conditions ass...

Scientists discover new species of distinctive cloud-forest rodent

A strikingly unusual animal was recently discovered in the cloud-forests of Peru. The large rodent is about the size of a squirrel and looks a bit like one, except its closest relatives are spiny rats. The nocturnal, climbing rodent is beautiful yet strange looking, with long dense fur, ...

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