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Beat in Biological News

UC Davis researchers identify a protein that may help breast cancer spread, beat cancer drugs

(SACRAMENTO, Calif.) New research from UC Davis Cancer Center shows that a protein called Muc4 may be the essential ingredient that allows breast cancer to spread to other organs and resist therapeutic treatment. The study, which appears in the April 1 issue of Cancer Research , is one of the fi...

MSU scientists find new gene that helps plants beat the heat

EAST LANSING, Mich. Michigan State University plant scientists have discovered another piece of the genetic puzzle that controls how plants respond to high temperatures. That may allow plant breeders to create new varieties of crops that flourish in warmer, drier climates. The MSU researchers ...

How to build crops that can beat aluminum's toxic effects

Researchers may have found the key to engineering plants capable of thriving in environments laden with toxic aluminum, according to a report published online on October 2nd in Current Biology , a Cell Press publication. Aluminum (Al)a metal that is generally plentiful in the earth's crustcauses ...

Rattlesnake-type poisons used by superbug bacteria to beat our defenses

Colonies of hospital superbugs can make poisons similar to those found in rattlesnake venom to attack our bodies' natural defences, scientists heard today (Monday 8 September 2008) at the Society for General Microbiology's Autumn meeting being held this week at Trinity College, Dublin. The toxi...

Green tea compounds beat OSA-related brain deficits

Chemicals found in green tea may be able to stave off the cognitive deficits that occur with obstructive sleep apnea (OSA), according to a new study published in the second issue for May of the American Thoracic Societys American Journal of Respiratory and Critical Care Medicine. Researchers ex...

Green tea helps beat superbugs

Green tea can help beat superbugs according to Egyptian scientists speaking today (Monday 31 March 2008) at the Society for General Microbiologys 162nd meeting being held this week at the Edinburgh International Conference Centre. The pharmacy researchers have shown that drinking green tea help...

ORNL 'resilience' plan to help Tennessee, Mississippi and South Carolina communities beat disaster

OAK RIDGE, Tenn., Oct. 4, 2007 A new Oak Ridge National Laboratory initiative could help avert disasters in Tennessee, Mississippi and South Carolina and also lead to more information about climate change. The new Community and Regional Resilience Initiative (CARRI) will be implemented in Gulf...

Rhythmic breathing adapts to external beat through 'brain calculus'

CAMBRIDGE, Mass, Sept. 12, 2007 The same kind of learning that allows humans to get used to a subtle touch or persistent odor may also help human vital signs adapt to medical interventions such as mechanical ventilation. The team, led by Chi-Sang Poon, a research scientist at the Harvard-MIT ...

Some vocal-mimicking animals, particularly parrots, can move to a musical beat

CAMBRIDGE, Mass. -- Researchers at Harvard University have found that humans aren't the only ones who can groove to a beat -- some other species can dance, too. This capability was previously believed to be specific to humans. The research team found that only species that can mimic sound seem to ...

Herpes infection may be symbiotic, help beat back some bacteria

Mice with chronic herpes virus infections can better resist the bacterium that causes plague and a bacterium that causes one kind of food poisoning, researchers report in this week's Nature. Scientists at Washington University School of Medicine in St. Louis attributed the surprising finding to c...

Pesticides need sunscreen to beat the heat

A pesticide with a new in-built sunscreen will help farmers beat the heat in crop protection. This means that the bug sprays last longer, as they are protected from the strong rays of sunshine, reports Chemistry & Industry, the magazine of the SCI. This is becoming increasingly important as tem...

New bird flu drug promises to beat the problem of resistance

A new kind of drug to fight bird flu that will not suffer from the same kind of resistance problems as current treatments should begin clinical trials within the next three years, thanks to a new research grant. Dr Andrew Watts from the University of Bath (UK) and Dr Jennifer McKimm-Breschkin fr...

Bacteria beat the heat

How do some microorganisms manage to exist and even thrive in surroundings ranging from Antarctica to boiling hot springs? A team of scientists from the Weizmann Institute's Plant Sciences Department, led by Prof. Avigdor Scherz, has found that a switch in just two amino acids (the building blocks ...

For one Stanford doctor, the beat goes on during open-heart surgery

In a Stanford Hospital surgery room on a recent afternoon, heart surgeon Kai Ihnken demonstrated how he repositions the beating heart while it's still inside the chest of a 78-year-old man undergoing triple bypass surgery. The surgeon reached into the chest, lifted the beating heart out, then crane...

Boosting The BCG Vaccine To Beat Tuberculosis

Tuberculosis remains a major global health threat. Although more than 3 billion doses of the BCG vaccine have been administered to fight tuberculosis, the ability of the BCG vaccine to protect adults is very limited, as is its efficacy against newly emerging isolates. In a study appearing online ...

Airway cells use 'tasting' mechanism to detect and clear harmful substances

.... The hair-like protrusions, called motile cilia, were already known to beat in a wave-like motion to sweep away mucus, bacteria and other foreign parti...chers also found that when the receptors detect bitter compounds, the cilia beat faster, suggesting that the sensing and the motion capabilities of these ce...

1-finger exercise reveals unexpected limits to dexterity

...rs simply pressed as hard as they could without moving. Then, still pressing as hard as they could they moved their fingers against the surface to the beat of a metronome. "As expected, maximal downward force diminished when motion was added to the task," the researchers wrote. "But remarkably, there ...

Male seahorses like big mates

...ductive success. By being choosy and preferring large females, they are likely to have more and bigger eggs, as well as bigger offspring, according to beat Mattle and Tony Wilson from the Zoological Museum at the University of Zurich in Switzerland. Their findings 1 have just been published online in Spr...

Scientists find a biological 'fountain of youth' in new world bat caves

... . "As it turns out, one of these bat species lives out its long life in Florida. Since bats are rodents with wings, this chemical clue as to why bats beat out mice in the aging game should point scientists to the source of this elusive fountain." ...

NIH funds work at WPI on regenerating heart tissue and preventing urinary tract infections

...the potential for human mesenchymal stem cells (hMSCs), which come from the bone marrow, to regenerate cardiac tissue, thereby helping a damaged heart beat more effectively. Heart attacks cause significant scaring of cardiac tissue, which in turn prevents the scarred area of the heart from contracting to ...

Resilin springs simplify the control of crustacean limb movements

...ne direction of movement is controlled automatically by a spring. As a result of this natural engineering, these limbs of the crab Carcinus maenas can beat in a coordinated way at a remarkable 20 times a second. ...

New evidence of how high glucose damages blood vessels could lead to new treatments

...oduces nitric oxide, called nitric oxide synthase, so that it makes more of the blood vessel dilator. But add more O-GlcNAc to the mix and it seems to beat phosphorylation to the punch so there is the opposite result. The longer O-GlcNAc levels were high, the worse the resulting problem, says Victor Lima,...

Gladstone scientists identify key factors in heart cell creation

..., which normally has the potential to make bone, blood, muscle, heart, and other tissues, specifically into cardiac muscle cells (cardiomyocytes) that beat rhythmically, just like normal heart cells. In fact, even cells that normally contribute to the placenta could be induced to transform into beating ca...

Towards a natural pacemaker

...beat. The heart has limited ability to recover from the damage, so the conventional approach is to fit an electronic device to monitor and control the beat directly. Therapies to help raise the heart rate biologically could be a much better solution, but there are some major hurdles. The way electrical...

NIST-Cornell team builds world's first nanofluidic device with complex 3-D surfaces

...dic device facilitates the study of individual DNA strands. More information on nanoglassblowing may be found in the June 10, 2008, issue of NIST Tech beat at http://www.nist.gov/public_affairs/techbeat/tb2008_0610.htm#glass . ...

Scientists unlock the secrets of C. difficile's protective shell

... continuing this work to better understand the formation of this protective coat and its exact function will reveal new targets for effective drugs to beat this dangerous pathogen, and could even lead to an effective vaccine." The team's next steps will be to produce a high resolution image of the stru...

An underwater drugstore?

...ungal infection can be deadly. Now Tel Aviv University zoologists are diving deep into the sea to collect unique chemicals drugs of the future to beat unnecessary death by fungal infection. And their secret weapon is the common marine sponge. Prof. Micha Ilan from the Department of Zoology at Tel ...

NTU undergrad is first Singapore champion of an internationally acclaimed engineering competition

...tution of Engineering and Technology (IET), UK, the fourth year mechanical engineering student from NTU's School of Mechanical & Aerospace Engineering beat three other contestants in the finals, including a PhD candidate from Northern Ireland. Known as the Present Around the World (PATW) Competition, ...

Caltech scientists show function of helical band in heart

... Leonardo da Vinci, observers of the human body have known that the heart's beat is not a simple in-and-out movement--that it has more than a little bit of ...en--and to show that it follows this intriguing helical loop." With each beat of the heart, a wave of contraction starts at the heart's apex--which, desp...

Uncovering secrets of life in the ocean

...that travels down its neural projection, which makes a connection with a band of cells endowed with cilia. These cilia - thin, hair-like projections - beat to displace water and bring about movement. Shining light selectively on one eyespot changes the beating of the adjacent cilia. The resulting loca...

Animal and biological science highlights: San Antonio Fluid Dynamics Conference, Nov. 23-25

...the bat's wing during the first third of its downstroke, then grows stronger, before dissipating during the latter half of the upstroke (with the wing beat cycle defined by the tip position). The vortex indicates that the bat's wings are generating lift; that the vortex dissipates, she says, shows that th...

Hypertension develops early, silently, in African-American men

...when the heart beats, another measure of vascular stiffness. A healthy artery is more elastic will change in size as the blood flows through with each beat of the heart. "Although having a similar cardiovascular risk factor profile as young white men, diffuse macrovascular and microvascular dysfunctio...

The 156th Acoustical Society of America Meeting, Nov. 10-14, Miami, Fla.

....acoustics.org/press/156th/au.html (Includes Sound Clips) WHERE IS THE beat IN THE BRAIN? "The ability to move rhythmically to a musical beat is a central part of human behavior, found in all human cultures. Such move...

Acoustical Meeting, Nov. 10-14, 2008 in Miami, Florida

...S The ability to move rhythmically to a musical beat is universal within all human cultures. While tapping your foot to the beat of music may seem effortless, the mechanism that a...ders such as Parkinson's disease. To understand beat perception better, Dr. Iversen is working together...

New method provides panoramic view of protein-RNA interactions in living cells

...ng-cross linking immunoprecipitation, or HITS-CLIP for short. Since the RNA and RNA-binding protein are fused together, the researchers can really beat up the extract and rigorously purify the protein without fear of losing the RNA. At the end of the day, they are left with the RNA sequence to which t...

Sniffing out a better chemical sensor

...materials placed on top of MEMS microheater platforms developed at NIST. (See NIST Microhotplate May Help Search for Extraterrestrial Life, NIST Tech beat , Oct., 2001.) The electronic nose employed in the current work is comprised of eight types of sensors in the form of oxide films deposited on the sur...

How we see objects in depth: The brain's code for 3-D structure

...patterns of brain activity that may underlie our remarkable ability to see and understand the three-dimensional structure of objects. Computers can beat us at math and chess, but humans are the experts at object vision. (That's why some Web sites use object recognition tasks as part of their authentica...

Making flies sick reveals new role for growth factors in immunity

...ication between the tissues resulted in uncontrolled cell growth, in this case in the heart. "Dpp mutant flies have large hearts which are stiffer and beat inefficiently," says Newfeld. Johnson went on to uncover Dpp's role in heart development. He discovered that when the embryo is nearly ready to ha...

Sandia, SES win Popular Mechanics Breakthrough Innovator Award

...the magazine at the ceremony. The award recognizes a solar-to-grid system conversion efficiency record the SES Serial #3 solar dish Stirling system beat in January 2008 at Sandia's National Solar Thermal Test facility. The existing 1984 record of 29.4 percent was toppled by the new 31.25 percent net ef...

Repair in the developing heart

...ive cells. Their percentage in the heart increases so that, at the time of birth, the ratio is large enough to allow the heart of the newborn mouse to beat normally. "But even for a while after birth, the heart is capable of compensatory growth of healthy cardiac cells," Dr. Drenckhahn explained. Late...
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