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Tag: "controversy" at biology news

NJIT Presidential Award winner takes stem cell research another step

...lt stem cells taken from adult bone marrow. So the controversy over the ethical implications of embryonic stem-cell research, in her case, is moot. An adult stem cell is an undifferentiated cell that builds and maintains tissues and organs, and which can renew itself through cell division. Stem cells are harvest...

Breakthrough isolating embryo-quality stem cells from blood

... aborted human foetuses, an issue which has led to controversy and opposition in many parts of the world. Any alternative source, such as voluntary adult donations, could spark a boom in new cures. Scientists have known for some time that stem cells exist in adult human blood and certain other tissues. However ...

Asymptomatic HIV babies could use earlier treatment

...an important finding because there’s been a lot of controversy in the literature as to whether infected but asymptomatic infants should be started on therapy right away,?said the study’s senior author Yvonne Maldonado, MD, a pediatric infectious disease expert at Lucile Packard Children’s Hospital and an associa...

Researchers discover key gene involved in bark beetle pheromone production

...f Nevada, Reno scientists have ended a decade-long controversy over the process by which bark beetles make pheromones: they manufacture their own monoterpenes ?the fragrant substances plants produce and which are often used in perfumes. It had been thought that insects and other animals were incapable of making ...

Proposal would allow wild animals to roam North America

... Ecology and Evolutionary Biology, pointing to the controversy that raged when wolves were reintroduced to Yellowstone National Park in 1995. "There are going to have to be some major attitude shifts. That includes realizing predation is a natural role, and that people are going to have to take precautions." He...

'Patient-choice' C-section rate rises 36%: HealthGrades study

...al affairs and the author of the study, said, "The controversy over 'patient-choice' C-sections continues in the medical community, with some doctors believing that patients should have the ability to choose a C-section if they prefer. Other doctors believe that patients can never fully understand the risks invo...

Careless reporting on HIV 'could cost lives'

...earchers must engage with the media to ensure that controversy surrounding HIV/AIDS is reported accurately, concludes a study. Failure to do so could have disastrous consequences for public health, says Edward Mills, lead author of the paper in the online journal BMC International Health and Human Rights. Mill...

Wright bros. upstaged! Dinos invented biplanes

...aurs from China also helps to settle a century-old controversy over whether avian flight began in trees (trees-down theory) or on the ground (ground-up theory). These fossils show various transitional stages?from wingless, tree-dwelling theropod dinosaurs to fully winged, active flyers, Chatterjee said. The ce...

Finding rewrites the evolutionary history of the origin of potatoes

...d potatoes for millennia, but there has been great controversy about the ubiquitous vegetable's origins. This week, writing in the Proceedings of the National Academies of Sciences, a team led by a USDA potato taxonomist stationed at the University of Wisconsin-Madison has for the first time demonstrated a singl...

From one cell, many possible cures

...ver, stem cell research has been slowed by ethical controversy -- as well as by the rarity of the extraordinary c...raduate student Warren Grayson. While much of the controversy surrounding stem cell research has centered around the use of cells derived from fetal or embryonic ...

MIT researcher presents new view of how the cortex forms

...l issue of Science dedicated to the brain that the controversy is over: The "protomap" and "protocortex" theories of brain development are dead. The cerebral cortex is a sheet of around 10 billion neurons divided into distinctly separate areas that process particular aspects of sensation, movement and cognition...

Phenolic compounds may explain Mediterranean diet benefits

...y, said it was well-designed and will help address controversy about whether olive oil benefits or impairs blood vessel health. "One of the beauties of this study is that using a randomized, sequential, crossover study, so that the same patients were exposed to the same oil, once with low phenolic content and t...

DNA conclusive yet still controversial, Carnegie Mellon professor says

...A of a person who was not there are infinitesimal, controversy continues about DNA identification and its use in ...iversity among people of different ancestry. Some controversy remains concerning the so-called "cold hit" technique, in which investigators search a DNA database ...

First study to show how immune cells 'speak' to each other in vivo

...ng to the researchers, this work should settle the controversy over the existence and functional significance of mature immunological synapses in vivo during antiviral immune responses. The findings will allow further experimental exploration of immunological synaptic function during normal and pathological imm...

Prozac's target revealed

...ctoral fellow Juan Manuel Encinas. To address the controversy surrounding the use of Prozac in children and in pregnant women, Enikolopov's group is currently testing the effects of the drug on brain neurogenesis in juvenile and pregnant mice. The results of those experiments may provide valuable information fo...

Quick -- what’s that smell?

...or identification, the Monell researchers solved a controversy centering on whether the brain processes olfactory information in a similar manner to how it processes visual and auditory stimuli. "Previous published work suggested that olfaction was different from vision and audition in lacking this fundamenta...

Fertility hope as study shows eggs survive in older ovaries

...epartment of Anatomy and Cell Biology, has sparked controversy among biologists and challenged the theory, held for more than 50 years, that female mammals are born with a finite number of oocytes (eggs). Two years ago, international researchers speculated that mice could continue to produce eggs throughout pu...

Increased sensitivity to nerve signals keeps diabetes at bay

... remained controversial," Wess said. "Much of this controversy has arisen because peripheral parasympathetic nerves release at least five different neurotransmitters, and increased parasympathetic outflow affects the function of many organs and tissues that have important metabolic functions." The researchers o...

Gene transfer using mutant form of good cholesterol cuts vascular plaque and inflammation

...rotective genes. "There has been uncertainty and controversy about whether apo A-I Milano is a better form of HDL than the "wild type" (regular) apo A-I in terms of protective effect against atherosclerosis and vascular inflammation, which are tied together," said Prediman K. Shah, M.D., director of the Divisi...

Technology for monitoring fetal oxygen during labor offers no apparent benefit

... widespread use, the study authors added, there is controversy about the technique's effectiveness. The authors of the current study undertook their research to try to find if there was sufficient reason to warrant introducing fetal oxygen saturation monitoring into the delivery room. A previous study of the...

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(Date:4/17/2014)... A drug under clinical trials to treat tuberculosis ... drugs that act against various bacteria, fungal infections and ... University of Illinois chemists and collaborators. , Led by ... determined the different ways the drug SQ109 attacks the ... target other pathogens from yeast to malaria and ...
(Date:4/17/2014)... NJ. April 16, 2014. Kessler Foundation has been ... million from the Department of Defense Spinal Cord ... principal investigator for the randomized, double-blinded, controlled, multi-site ... bone and muscle strength after spinal cord injury. ... & Engineering Research at Kessler Foundation. Two additional ...
(Date:4/17/2014)... eight hundred births, Down syndrome - or trisomy 21 ... disability. It results from a chromosomal abnormality where cells ... 21 (1% of the human genome). A study conducted ... of Genetic Medicine and Development at the University of ... , shed light on how the extra chromosome 21 ...
Breaking Biology News(10 mins):Multitarget TB drug could treat other diseases, evade resistance 2Kessler Foundation awarded Department of Defense grant for spinal cord injury research 2Trisomy 21: How an extra little chromosome throws the entire genome off balance 2Trisomy 21: How an extra little chromosome throws the entire genome off balance 3
(Date:4/17/2014)... Bonheur Children,s Hospital Pediatrician-in-Chief Jon McCullers, MD, was ... April issue of Nature Reviews Microbiology , ... Dr. McCullers, a world-renowned infectious disease specialist, and ... University of Tennessee Health Science Center, analyzed the ... 1957 and 1968 pandemics, as well as more ...
(Date:4/17/2014)... April 17, 2014U.S. military personnel who served in ... concussive traumatic brain injury (TBI) were compared to ... other medical reasons. Differences in measures of overall ... months after injury are reported in an article ... journal from Mary Ann Liebert, Inc., publishers. The ...
(Date:4/17/2014)... as many as 10 million older Americans suffer from ... isolation. , However, new research a project that ... for six years found that Internet use among ... more than 30 percent. , "That,s a very strong ... of telecommunication, information studies and media who led the ...
(Date:4/17/2014)... April 17, 2014-- Colic affects about one in five ... numerous pediatric visits during the first several months after ... symptoms was showing promise; however, the April 1, 2014 ... Sung, Valerie) reported on a study, "Probiotics and Infant ... L reuteri for infant colic did not ...
(Date:4/17/2014)... School of Medicine (BUSM) have discovered that the ... experimental model. The findings, reported in the ... may lead to more effective treatments for alcoholism. ... the leading causes of illness and death in ... by limiting the productivity of workers and necessitating ...
Breaking Medicine News(10 mins):Health News:Long-term effects of battle-related 'blast plus impact' concussive TBI in US military 2Health News:Internet use can help ward off depression among elderly 2Health News:New study says probiotic use for infant colic is not effective in reducing symptoms 2Health News:BUSM researchers find anti-seizure drug may reduce alcohol consumption 2
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