Brightsurf Science News & Current Events

October 02, 2018
Text messages quickly track health care use during Ebola outbreak
A new study from the NYU College of Global Public Health and NYU Tandon School of Engineering, published in Nature Digital Medicine, used text message surveys to determine in real time how people used maternal health services during a recent Ebola outbreak and measured a drop in hospital-based births during the outbreak.

Study finds people with type 2 diabetes at higher risk of death from both obesity-related and non-obesity related cancers
Being overweight or obese may put adults with diabetes at greater risk of dying from cancer than their diabetes-free counterparts, particularly for obesity-related cancers such as those arising from the bowel, kidney, and pancreas in men and women, and from the breast and endometrium (lining of the uterus) in women.

Transition metal dichalcogenides could increase computer speed, memory by a million times
Transition metal dichalcogenides (TMDCs) possess optical properties that could be used to make computers run a million times faster and store information a million times more energy-efficiently, according to a study led by Georgia State University.

Research brief: Primary care strategies to improve health of chronic disease patients
Improving primary care for patients with chronic illness is critical to improving healthcare quality, value and patient experience.

First experiments at new X-ray laser reveal unknown structure of antibiotics killer
An international collaboration led by DESY and consisting of over 120 researchers has announced the results of the first scientific experiments at Europe's new X-ray laser European XFEL.

Stage four sarcomatoid kidney cancer patient first to show complete response to immunotherapy
After standard therapy failed, Thomas Bland's doctor turned to a form of immunotherapy known as a checkpoint inhibitor.

Study finds more belly fat, less muscle after crash dieting
Extreme dieting causes short-term body changes that may have long-term health consequences, according to a new study.

NTU Singapore scientists develop smart technology for synchronized 3D printing of concrete
Scientists from Nanyang Technological University, Singapore have developed a technology where two robots can work in unison to 3D-print a concrete structure.

Pathology test uses AI to predict prostate cancer progression following surgery
A pathology test that applies artificial intelligence (AI) to characterize tissue samples can accurately predict clinically significant prostate cancer disease progression following surgery.

A web-based program is as effective as group counseling for patients with non-alcoholic fatty liver disease
Lifestyle changes are the cornerstone of preventing and treating non-alcoholic fatty liver disease (NAFLD).

Natural killer cells may open lifesaving cancer treatements to more patients
UCF College of Medicine cancer researcher Alicja Copik has just discovered a way to make immunotherapy viable to thousands by using the body's own natural killer (NK) cells in a new way.

Diet affects the breast microbiome in mammals
Diet influences the composition of microbial populations in the mammary glands of nonhuman primates, researchers report Oct.

Aggressive breast cancer cells hijack natural stress protector to thrive
A member of a protein family known for protecting our cells also protects cancer cells in aggressive, metastatic breast cancer, scientists report.

To make SNAP healthier and save costs: Offer food incentives and disincentives
A new cost-effectiveness study estimates that nearly one million cardiovascular and diabetes events could be prevented and $42 billion could be saved in healthcare costs by including food incentives and disincentives for participants on SNAP.

Is thyroid hormone therapy for early underactive thyroid associated with better quality of life?
An early form of underactive thyroid (when the body doesn't produce enough thyroid hormones) called subclinical hypothyroidism is a common condition but the benefit of thyroid hormone therapy on quality of life and symptoms is uncertain.

Study provides new evidence of role of diet in breast health
The relationship between the gut microbiome and human health is widely accepted in the medical community.

Does women's health deteriorate more rapidly than that of men prior to the onset of type 2 diabetes?
New research presented at this year's annual meeting of the European Association for the Study of Diabetes (EASD) reveals that prior to the onset of type 2 diabetes (T2D), women with versus without prediabetes experience significantly larger adverse differences in their cardiometabolic health than men.

New extremely distant solar system object found during hunt for Planet X
Carnegie's Scott Sheppard and his colleagues discovered a new extremely distant object far beyond Pluto with an orbit that supports the presence of an even-farther-out, Super-Earth or larger Planet X.

Studded winter tires cost more lives than they save
Researchers from Chalmers University of Technology, Sweden, have now shown that studded winter tyres cost more lives than they save.

Abdominal aortic calcification may signal future heart attack
Computed tomography (CT)-based measures of calcification in the abdominal aorta are strong predictors of heart attacks and other adverse cardiovascular events -- stronger even than the widely used Framingham risk score, according to a new study.

Journal issue honors 20th anniversary of Marshall University researcher's discovery
Twenty years ago, Zijian Xie, Ph.D., director of the Marshall Institute for Interdisciplinary Research and professor at Marshall University Joan C.

City-dwelling blue tits may lay bigger eggs because of what they eat
Blue tit eggs that were laid in urban parkland were 5% larger than eggs laid in a nearby forest, which could be due to differences in the amount of calcium available to birds in urban and forest environments, a study published in Frontiers in Zoology has found.

High-fat, high-sugar diet may impair future fertility in females
The differences in the way males and females respond to a high-fat, high-sugar diet may include impairment of female fertility, new research suggests.

What kind of sex do German men have at 45?
12,354 men at the age of 45 spoke about sex for a study by the Technical University of Munich (TUM).

Age-related changes in skin structure & lymphatic system promote melanoma metastasis
Changes in the structure of the skin and the lymphatic system that occur with the natural aging process create permissive conditions for melanoma metastasis, according to two studies by The Wistar Institute.

One more year of high school may shape waistlines later in life
Together, genetics and years of education can influence whether or not someone becomes obese, a USC Dornsife study finds.

Single atoms break carbon's strongest bond
An international team of scientists including researchers at Yale University and the US Department of Energy's (DOE) Brookhaven National Laboratory have developed a new catalyst for breaking carbon-fluorine bonds, one of the strongest chemical bonds known.

Study finds human milk components in amniotic fluid
Human milk oligosaccharides (HMOs) are complex carbohydrates that are highly abundant and unique to human milk.

A web-based program is as effective as group counseling for patients with NAFLD
Lifestyle changes are the cornerstone of preventing and treating non-alcoholic fatty liver disease (NAFLD).

Global warming increases wildfire potential damages in Mediterranean Europe
A study published in Nature Communications, led by researchers of the University of Barcelona in collaboration with other research institutions, shows that anthropogenic warming will increase the burned areas due fires in Mediterranean Europe, and the increase of the burned area could be reduced by limiting global warming to 1.5 ºC.

Canada's first 'state of the nation' report on children's physical literacy
The results from a large national research project led by the Healthy Active Living and Obesity Research Group (HALO) at the CHEO Research Institute shows that about two-thirds of Canadian children haven't achieved an acceptable level of physical literacy.

Europe's new X-ray laser reveals structure of antibiotic-disabling enzyme
International collaboration obtains the first scientific results from European XFEL.

Liver transplant, weight-loss surgery combination benefits obese patients in long term
Obese patients who underwent a life-saving liver transplant and weight-loss surgery at the same time were better able to keep the weight off long term and had fewer metabolic complications than those who lost weight on their own before undergoing a liver transplant, Mayo Clinic research shows.

Testosterone treatment over 10 years can improve or reverse type 2 diabetes in men with low testosterone, and induce significant weight loss
New research presented at this year's annual meeting of the European Association for the Study of Diabetes (EASD) reveals that in men with low testosterone who have type 2 diabetes (T2D), testosterone therapy can improve their disease and reverse its progress, and can also induce significant weight loss.

Biologists find new genetic interdependence between mothers and their offspring
A team of biologists has discovered that the distinctive genetic processes of early development help explain patterns of animal development in nature and across the evolutionary tree.

Southern diet is top factor associated with higher risk of high blood pressure among black adults
High blood pressure is widespread among black adults in the United States and it is a major contributor to disparities in life expectancy, although reasons for this increased hypertension risk are unknown.

Early PSA testing could help predict prostate cancer among black men
In a new study published in European Urology, Moffitt Cancer Center researchers, along with colleagues at Harvard T.H.

New technique uses umbilical cord stem cells for early repair of cleft palate
A technique using umbilical cord blood stem cells could be a promising new approach for repair of cleft palate in infants, reports a paper in The Journal of Craniofacial Surgery, published in the Lippincott portfolio by Wolters Kluwer.

Making mice a tiny bit more human to study preterm birth
Preterm birth remains a global epidemic linked to a lifetime of potential health complications.

Free thinking: researchers identify origins of free will in the brain
Neuroscientists led by Michael Fox, MD, PhD, of Beth Israel Deaconess Medical Center (BIDMC) used brain lesion network mapping -- a technique pioneered by Fox at BIDMC -- to find the anatomical origins of the perception of free will.

Diabetes is associated with an increased risk of cancer and reduces post-cancer survival
Having diabetes is linked with an increased risk of developing a number of cancers as well as poorer survival following a cancer diagnosis.

Reading is a team-lift as different brain parts work together to predict proficiency
The extent to which sensory-specific parts of the brain are able to connect as a network, not necessarily anatomically, but functionally, during a child's development predicts their reading proficiency, according to a new neuroimaging study from the University at Buffalo.

Giraffe babies inherit spot patterns from their mothers
Giraffe babies inherit some features of their mother's spot patterns, according to a new study that used modern techniques to confirm a 49-year-old hypothesis.

In tiny worms, researchers find spiking neurons -- and clues about brain computation
Studying neurons in C. elegans, researchers made a surprising discovery: these roundworms, like most animals, process information using a digital, electric code.

Revealed: a central signal sorting hub in plants
Seasonal signals are sorted by a central hub in plants -- new study reveals.

Biofilm reactor promises to cut production costs on vitamin K
In an innovative study that promises to reduce production costs for the most potent form of vitamin K -- Menaquinone-7, Penn State researchers have developed a novel method to enhance the fermentation process that creates the supplement by agitated liquid fermentation in a biofilm reactor.

NASA sees a lot of strength in infrared view of cat four Hurricane Walaka
Infrared satellite imagery provides temperature data, and when NASA's Aqua satellite passed over the Central Pacific Ocean, it analyzed Hurricane Walaka.

New research shows the multiple factors which determine how quickly diabetes progresses
New research presented at this year's annual meeting of the European Association for the Study of Diabetes (EASD) reveals the factors that influence the rate of progression of type 2 diabetes (T2D) which may explain why it varies so much between individuals.

Scientists use nanoparticles to improve chemotherapy response, boost anti-tumor immunity
Scientists at the University of Toronto's Leslie Dan Faculty of Pharmacy have seen remarkable success combining tumor modulating nanoparticles with doxorubicin to enhance chemotherapy response in pre-clinical model breast cancer.

High-tech breakthrough in snakebite antivenom
Researchers from DTU, Cambridge, and Costa Rica have cracked the code to produce experimental snakebite antivenoms based on human antibodies.

FEFU astrophysicists study the 'profile' of coma in Comet 21P/Giacobini-Zinner
The favorable weather conditions had settled in September in Primorsky Krai, Russia, made it possible to receive the quality images of the celestial body and to get the unique material for its further research.

Can we trust digital forensic evidence?
Research carried out at the University of York has suggested that more work is needed to show that digital forensic methods are robust enough to stand-up to interrogation in a court of law.

Genetic studies of drug metabolism identify research needs for precision medicine
Drug safety and effectiveness vary greatly among populations worldwide.

Hand-drawn maps imitating the printed maps in the 1st days of Hispano-American cartography
From the start of the colonisation, the Spanish Crown needed to know and represent the overseas territories under its control.

Cobra cannibalism more prevalent than previously thought
Researchers in South Africa's Kalahari Desert found a large male cape cobra devouring another smaller male of the same species.

Professor, MSD high school senior collaborate on homicide trends
An FAU professor and a high school senior from MSD have published a study on homicide rates in Baltimore and New York City.

Commandeering microbes pave way for synthetic biology in military environments
A team of scientists from the US Army Research Laboratory and the Massachusetts Institute of Technology have developed and demonstrated a pioneering synthetic biology tool to deliver DNA programming into a broad range of bacteria.

Study links diabetes to elevated risk of arthritis and osteoporosis
Diabetes is associated with a greater risk of having osteoarthritis, rheumatoid arthritis, and osteoporosis, suggests a new study involving over 109,000 people being presented at this year's European Association for the Study of Diabetes (EASD) Annual Meeting in Berlin, Germany (Oct.

Assessment of ED Threat perceptions identifies patients at risk for cardiac-induced PTSD
A brief tool assessing emergency department (ED) threat perceptions has clinical utility for providers to identify patients at risk for developing cardiac-induced PTSD and is critical to inform research on whether threat may be modified in-ED to reduce post-traumatic stress disorder (PTSD) incidence.

Study finds infection rates on the rise in the USA, particularly among people with diabetes
Infection-related hospitalizations in the USA are on the rise, particularly among people with diabetes, suggesting that more must be done to protect people with diabetes from preventable complications, according to new research being presented at this year's European Association for the Study of Diabetes (EASD) Annual Meeting in Berlin.

How the African elephant cracked its skin to cool off
An intricate network of crevices adorns the skin surface of the African bush elephant.

Molecule studies reveal potential treatment for stroke patients
Collaborative research between scientists at Clemson University and Stonybrook University has revealed the 3D structure of a protein fragment that could serve as a drug target in treating stroke patients.

Chemists discover unexpected enzyme structure
MIT chemists have discovered a unique aspect of the structure of carbon monoxide dehydrogenase, a bacterial enzyme that can convert carbon dioxide to carbon monoxide.

Hopkins researchers use endoscope to deliver gene therapy in animal study
Fixing or replacing faulty genes has emerged as a key to unlocking cures for numerous devastating diseases.

Computer simulation follows light to supermassive black holes
RIT scientists are simulating the collision of two supermassive black holes and the violent shocks in the electromagnetic spectrum.

Study finds albiglutide reduces cardiovascular events in patients with type 2 diabetes and existing cardiovascular disease
New research presented at this year's annual meeting of the European Association for the Study of Diabetes (EASD) and published in The Lancet shows that treatment with albiglutide (a type of drug called a glucagon-like peptide 1 receptor agonist) results in fewer cardiovascular events in people with type 2 diabetes and existing cardiovascular disease than treatment with placebo.

New tool helps scientists better target the search for alien life
An EPFL scientist has developed a novel approach that boosts the chances of finding extraterrestrial intelligence in our galaxy.

Comparing nocturnal and diurnal rodents helps scientists understand a human eye disease
By venturing beyond the lab mouse to study the eyes of diurnal small mammals, scientists have uncovered a difference in the composition of rod and cone cell membranes that may explain how a genetic form of macular dystrophy targets only parts of the retina.

The faint glow of cosmic hydrogen
A study published recently in Nature magazine, in which Ana Monreal-Ibero, a researcher at the Instituto de Astrofísica de Canarias (IAC) is a participant, reveals the presence of a hitherto undetected component of the universe: large masses of gas surrounding distant galaxies.

Weekday mornings are no longer peak times for sudden cardiac arrest
Heart experts have long believed that weekday mornings -- and especially Mondays -- were the danger zones for unexpected deaths from sudden cardiac arrests.

Editorial praises childhood obesity study that finds 'genes are not destiny'
Obesity experts are praising a study published Monday in JAMA Pediatrics that rigorously assessed how the home environments of young children who are genetically at high risk for obesity can influence whether they become overweight or obese.

NASA's Aqua satellite shows Rosa's remnants soaking Arizona
NASA provided an infrared view of Tropical Depression Rosa's remnants that showed strongest storms with heaviest rainfall potential were over east central Arizona on Oct.

NASA soaks up Tropical Storm Leslie's water vapor concentration
When NASA's Aqua satellite passed over the Central Atlantic Ocean on Oct.

Secondary forests have short lifespans
Secondary forests only last an average of 20 years. The finding presents a major problem for large-scale restoration policy, which often focuses on commitments to restore a certain number of hectares by a given year.

Miniature magnetic swimming devices to revolutionise diagnostics and drug delivery
Scientists have created miniature magnetic swimming devices -- which mimic the appearance of sperm cells -- that could revolutionize disease treatment by swimming drugs to specific areas of the body.

New knowledge on how neurons talk to muscles
Researchers at Karolinska Institutet in Sweden have discovered a new way in which nerve cells can control movement.

Robot masters human balancing act
By translating a key human physical skill, whole-body balance, into an equation, engineers at UT Austin used the numerical formula to program their robot Mercury.

Analysis of published studies links processed meat consumption to breast cancer risk
Studies on red and processed meat consumption with breast cancer risk have generated inconsistent results.

Study examines the effect of alcohol consumption on survival in non-alcoholic fatty liver
Non-Alcoholic Fatty Liver Disease (NAFLD), which is not caused by significant alcohol consumption, has become the most common liver disease in the United States and comprises more than two thirds of patients with chronic liver disease.

Wildfire aerosols remain longer in atmosphere than expected
Light-absorbing brown carbon aerosols, emitted by wildfires, remain longer in the atmosphere than expected, which could have implications for climate predictions.

While seeking Planet X, astronomers find a distant solar system object
2015 TG387 was discovered about 80 astronomical units (AU) from the sun.

Could less deadly therapies be a better way to keep cancer in check?
While many cancer therapies initially can be very successful, tumors often return and spread when remaining cancer cells develop resistance to treatment.

New algorithm efficiently finds antibiotic candidates
In an article published today in the journal Nature Communications, researchers from Carnegie Mellon University; the University of California, San Diego; and St.

Black holes ruled out as universe's missing dark matter
If dark matter consists of a plethora of primordial black holes, then their gravitational lensing -- magnifying and brightening distant objects -- should be detectable.

Study offers insight into how people judge good from bad
New research sheds light on how people decide whether behavior is moral or immoral.

E-cigarette explosion and burn injuries have been underestimated by federal agencies
A new George Mason University report published in Tobacco Control found that there are far more e-cigarette explosion and burn injuries in the United States than estimated in past reports.

NASA eyes powerful Super Typhoon Kong-Rey
NASA's Aqua satellite provided an infrared view of Super Typhoon Kong-Rey as it continued tracking through the Northwestern Pacific Ocean.

Supersizing solar cells: researchers print module six times bigger than previous largest
A perovskite solar module the size of an A4 sheet of paper, which is nearly six times bigger than modules of that type reported before, has been developed by Swansea University researchers, by using simple and low-cost printing techniques.

The first drywood termite known to use snapping stick-like mandibles to defend its colony
First-of-a-kind new species and genus of drywood termite was collected from two localities in Cameroon.

Why vitamin E effect is often a matter of luck until now
Vitamin E's positive effects often fail to manifest themselves as strongly as expected, but sometimes administering vitamin E actually has detrimental effects.

Weak magnetic fields affect cells via a protein involved in bird migration
Beneficial effects, and possible harm, of exposure to weak pulsed electromagnetic fields (PEMFs) may be mediated by a protein related to one that helps birds migrate, according to a study publishing in PLOS Biology by Margaret Ahmad of Xavier University in Cincinnati and colleagues.

Traces of opiates found in ancient Cypriot vessel
Researchers at the University of York and the British Museum have discovered traces of opiates preserved inside a distinctive vessel dating back to the Late Bronze Age

Breakthrough in quantum physics
Researchers from Graz University of Technology have described for the first time the dynamics which takes place within a trillionth of a second after photoexcitation of a single atom inside a superfluid helium nanodroplet.

Whole-brain connectome maps teach artificial intelligence to predict epilepsy outcomes
Medical University of South Carolina (MUSC) neurologists have developed a new method based on artificial intelligence that may eventually help both patients and doctors weigh the pros and cons of using brain surgery to treat debilitating seizures caused by epilepsy.

A new model takes oxidative stress to heart
Investigators from Brigham and Women's Hospital have developed a robust new method for examining oxidative stress in the hearts of rodents in vivo to better understand the development and treatment of heart failure.

Chronic kidney disease outcomes can be improved by expanding specialist care
Nearly one in seven Americans has chronic kidney disease, and the condition accounts for about 20 percent of the spending by Medicare.

Novel mechanism for generating our skeleton
A Japan-based research team led by Kanazawa University has identified the MAPK Erk5 as a novel player controlling skeletogenesis.

Imaging accumulated charges at solid-electrolyte interfaces
Researchers from Kanazawa University developed a three-dimensional open-loop electric potential microscopy technique to visualize the charge accumulation behavior at the interface between a solid electrode and liquid electrolyte.

Insomnia therapy may slow or reverse cortical gray matter atrophy in fibromyalgia
Preliminary findings from a pilot study suggest that cognitive behavioral therapy for insomnia (CBT-I) may slow or even reverse the atrophy of cortical gray matter in patients who have co-morbid fibromyalgia.

Wild suburbia
It's a jungle out there in the suburbs, where many wild mammals are thriving near humans.

The only known white dwarf orbited by planetary fragments has been analyzed
The study, led by Paula Izquierdo, a doctoral student at the Instituto de Astrofísica de Canarias (IAC) and the University of La Laguna (ULL), has gone deeply into the analysis of this exceptional white dwarf, which shows periodic transits produced by fragments of a shredded planetesimal.

Nearly 14 million additional adolescents need HPV vaccination to reach public health goal
Nearly 14 million additional adolescents will need to receive the human papillomavirus (HPV) vaccine to reach the American Cancer Society's goal of an 80 percent vaccination rate by that 2026.

The immune system of the alpaca reveals a potential treatment for cancer
The natural world often provides the answer to unsolved medical problems.

Howzat: Limitations of batsmen rankings revealed
In a paper which could give sleepless night to cricket statisticians all over the world, researchers from Newcastle and Northumbria universities delivered their 'out' verdict to current methods after analysing the two most popular test cricket rankings.

New simulation sheds light on spiraling supermassive black holes
A new model is bringing scientists a step closer to understanding the kinds of light signals produced when two supermassive black holes, which are millions to billions of times the mass of the Sun, spiral toward a collision.

Breaking supersymmetry
Supersymmetry predicts a relationship between the fundamental particles fermions and bosons.

A crucial gene controls stem juiciness in sorghum and beyond
Sorghum, the fifth most popular crop worldwide, is used to create many products in the United States and is widely consumed by people in developing countries.

Study finds gene variant predisposes people to both Type 2 diabetes and low body weight
A research team at the University of North Carolina at Chapel Hill's Gillings School of Global Public Health found that a well-known gene variant linked to Type 2 diabetes, called transcription Factor-7 like 2 gene, may also predispose someone to being leaner, or having a lower body weight.

New report on mobility has experts moving toward consensus on care as we age
Experts at the American Geriatrics Society today unveiled a list of recommendations to help health systems prioritize a vital function for us all as we age: mobility.

Taste is key in promoting insect-based food
Eating insects, instead of meat, could have significant environmental and health benefits.

Sleep research uncovers dire consequences to deprivation
Researchers at Michigan State University conducted the largest experimentally controlled study on sleep deprivation to date, revealing just how detrimental operating without sleep can be in everything from bakers adding too much salt to cookies to surgeons botching surgeries.

Temple Lung Center director reports ongoing positive results for emphysema treatment study
Dr. Gerard Criner, MD, FACP, FACCP, Chair and Professor of Thoracic Medicine and Surgery at the Lewis Katz School of Medicine at Temple University, announced the 12-month results of the EMPROVE multicenter, randomized and controlled study for the Spiration® Valve System (SVS), a minimally invasive treatment for severe emphysema, at the European Respiratory Society International Congress (ERS) in Paris, France, on Sept.

Computer model may help scientists split up, reassemble proteins on command
A computer-guided algorithm may help scientists find just the right spot to split a protein and then reassemble it to functionality, according to a team of biochemists and biophysicists who report their findings today in Nature Communications.

Gaia spots stars flying between galaxies
A team of astronomers using the latest set of data from ESA's Gaia mission to look for high-velocity stars being kicked out of the Milky Way were surprised to find stars instead sprinting inwards -- perhaps from another galaxy.

For better multiple-choice tests, avoid tricky questions, study finds
Although people often think about multiple-choice tests as tools for assessment, they can also be used to facilitate learning.

University of Minnesota Medical School researchers have discovered how to slow aging
Previous research published earlier this year involving University of Minnesota Medical School faculty and Mayo Clinic investigators, showed it was possible to reduce the burden of damaged cells, termed senescent cells, and extend lifespan and improve health, even when treatment was initiated late in life.

Youth who use vaping products are more likely to smoke cigarettes, increase use of both
Adolescents who use vaping products are not only more likely to smoke cigarettes but are also likely to increase their use of both products over time, according to a new study.

An upper-class woman with higher education: The profile of the homeopathy user in Spain
A new study identifies the typical pattern of homeopathy consumers in Spain, based on data from the CIS (Centre for Sociological Research) barometer, published last February.

Critical Materials Institute takes major step toward printed anisotropic magnets
The US Department of Energy's Critical Materials Institute has taken a major step toward printed, aligned anisotropic magnets via additive manufacturing processes.

Making the right connections
Researchers at VIB and KU Leuven have uncovered a new molecular interaction that governs the formation of specific functional connections between two types of neurons.

Take my hand and ride with me -- Over the genome
Researchers at the CRG in Barcelona have identified the mechanism by which an important enzyme involved in the differentiation of stem cells is brought to the DNA. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to