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Tag: "understand" at biology news

A gene's first 'kiss' sets off that affair known as puberty

... disorder that inhibits puberty's onset. To better understand what role GPR54 plays in the initiation of puberty, as well as learn about KiSS-1, which in earlier rodent studies had been identified as a molecule that activates a signal receptor of GPR54, the researchers looked to the nonhuman primate, the only a...

Man and mouse share genome structures

...nes on and off. Their findings may help scientists understand regulatory mechanisms underlying cancer and human development. The research team includes first author Bradley Bernstein, recipient of a Howard Hughes Medical Institute (HHMI) physician postdoctoral fellowship who works in the Harvard University lab...

Scientists ID molecular 'switch' in liver that triggers harmful effects of saturated and trans fats

... Dana-Farber. "It offers the opportunity to try to understand what makes these fatty acids so deleterious, and what we need to avoid." Moreover, it is possible that in the future, drug therapy might be used to "turn down" the mechanism, decreasing cholesterol levels and heart disease risk, explained Spiegelman...

A new mechanism of regulating RNA degradation

... RNAs, and thus controls gene activity. To better understand what controls the NMD system, Maquat and her postd...novel mechanism of gene regulation. "We don't yet understand how SMD is regulated but it must be," said Maquat. "Both Upf1 and Staufen1 can be phosphorylated, so...

FDA Approves Human Hookworm Vaccine for Phase I Safety Trials

... RNAs, and thus controls gene activity. To better understand what controls the NMD system, Maquat and her postd...novel mechanism of gene regulation. "We don't yet understand how SMD is regulated but it must be," said Maquat. "Both Upf1 and Staufen1 can be phosphorylated, so...

Deficient DNA Repair Capacity Associated With Increased Risk Of Breast Cancer

..., the scientific community will be able to clearly understand the role of DNA repair capacity in the development of cancer and possibly to develop interventions to reduce cancer incidence and mortality," they write. ...

UAB scientists discover the origin of a mysterious physical force

...rocesses take place. Therefore, it is essential to understand the nature of interactions between molecules dissolved in water in order to understand many of these processes. Two of the most important of these processes are the adherence of substance...

W.M. Keck Foundation funds study of friendly microbes

...sequencing projects to allow researchers to better understand the evolution and diversity of life on Earth, as w...sly mysterious interior world. Our objective is to understand how the human body functions as a carefully woven fabric of interacting species. Ultimately, such un...

Poor prenatal nutrition permanently damages function of insulin-producing cells in the pancreas

... a higher risk for developing type 2 diabetes. To understand the reason, the researchers designed a series of e...nt implications. "People and their doctors need to understand that prenatal undernourishment makes a person permanently at higher risk for developing diabetes, so...

Emory Study Tests Bone Marrow Stem Cells to Improve Circulation in Legs

...n vessels,however, and physicians don't completely understand the reasons why.Recent studies show that when muscles do not receive enough blood, thebody makes growth factors that stimulate the bone marrow to releasestem cells that "home" to the muscle that is not getting enough blood.These stem cells include en...

Fox Chase Cancer Center scientists identify immune-system mutation

...ells or killer cells," Kappes said. His goal is to understand how T cells specialize to do different jobs. Commitment to the helper or killer lineages correlates precisely with the restriction of the T-cell receptor toward either class I or class II major histocompatibility complex (MHC) molecules. Most helper...

Current human embryonic stem cell lines contaminated UCSD/Salk team finds

...s of the human ES cells. More research isneeded to understand the optimal conditions for preparing human cellsfor therapeutic application.""We considered that one partial solution to the problem was to usehuman serum in the growth medium," Varki said. When the team grew thecells in heat-inactivated human serum ...

Elusive HIV shape change revealed; Key clue to how virus infects cells

...opment into drugs. "The findings also will help us understand why it's so hard to make an HIV vaccine, and will ...now compare the bound and unbound forms and try to understand whether there are any immunologic properties that differ and that might provide a route to new vacci...

Genome of deadly amoeba shows surprising complexity, evidence of lateral gene transfer

...and vaccine targets" and also may help researchers understand why the disease hits only a small fraction of those who are hosts to the parasite. "Intestinal infections are one of the major health problems in developing countries and the number of people who are infected with amoeba cysts is enormous," he says. ...

Researchers Uncover Key Step In Manufacture of Memory Protein

...derstanding how BDNF is made may help us to better understand the learning process, perhaps leading to better treatments for disorders of learning and memory,?said Duane Alexander, M.D., Director of the National Institute of Child Health and Human Development. The research team was led by Y.Peng Loh Ph.D, of N...

Inexpensive, mass-produced genes core of synthetic biology advances at UH

...fficient tools to aid the efforts ofresearchers to understand the molecular mechanisms that regulatebiological systems. There are many potential biochemical and biomedicalapplications.?Most immediately, examples include understanding the regulation of genefunction. Down the road, these efforts will improve heal...

Scientists seek answers on what activates deadly anthrax spores

...rax alarms went off. The group also would like to understand another closely related bacterium, Bacillus cereus, one strain of which can produce anthrax-like symptoms. The research team includes Conn Mallett, Ph.D., Derek Parsonage, Ph.D., graduate students Carleitta Paige, Jamie Wallen, and Tim Colussi, and ...

U of M researcher examines newly emerging deadly disease

...y and monitor cases of purpura fulminans to better understand the causes and best treatment options." On the basis of experience, the University of Minnesota experts have identified three recommended treatments for purpura fulminans. Patients who present symptoms of purpura should receive antibiotic therapy no...

The secret lives of whales

...worms and other whale-fall species help scientists understand how life has diversified in specialized habitats i...bodies back into oceanic lifecycles. If we want to understand the nature of life ?what evolution can do—we must understand these habitats before extinctions occur...

Sea skate experiment sheds light on human cell transport

...n experiment with the red blood cells of skates to understand how these skinny, graceful fish can swim from salt water to fresh water. For humans, such a drastic environmental change would prompt an equally drastic physiological change: Our cells would take in too much water, diluting blood and other body fluid...

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(Date:9/16/2014)... rock hit the Yukatan peninsula near the site of the ... of TNT. It left a crater more than 150 km ... are widely accepted to have wiped out the dinosaurs and ... happened to the plants on which the dinosaurs fed? , ... Arizona reveals that the meteorite impact that spelled doom for ...
(Date:9/16/2014)... A complex web of interaction between viruses, bacteria, ... by a growing international collaboration between Matthew Sullivan, ... of Ecology and Evolutionary Biology and Steven Hallam ... Canada. , "Bacteria are drivers of nutrient ... said. "As the climate is changing, so are ...
(Date:9/16/2014)... Three years after the Hesperides vessel returned to Spain ... researchers have an increasingly clear picture of how the ... Specifically, the input of pollutants from the atmosphere is ... the most remote areas of the planet, and it ... findings are presented this week in CSIC Residence for ...
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(Date:9/17/2014)... Thomas A. Sellers, Ph.D., M.P.H., Jong Park, Ph.D. and Hui-Yi ... that influence the risk for developing prostate cancer, according to ... , Prostate cancer is the most common non-skin cancer in ... with the disease in his lifetime. Family history is the ... brother or father with prostate cancer is twice as likely ...
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(Date:9/17/2014)... September 17, 2014. Kessler Foundation is the recipient ... the International Progressive Multiple Sclerosis (MS) Alliance. ... Traumatic Brain Injury Research, is principal investigator of ... of cognitive rehabilitation in individuals with progressive multiple ... grants awarded by the Alliance to investigators in ...
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Breaking Medicine News(10 mins):Health News:Lack of facial expression leads to perceptions of unhappiness, new OSU research shows 2Health News:Lack of facial expression leads to perceptions of unhappiness, new OSU research shows 3Health News:Tools4ever Partners with Boston Software Systems to Automate Identity and Password Management 2Health News:Tools4ever Partners with Boston Software Systems to Automate Identity and Password Management 3Health News:Tools4ever Partners with Boston Software Systems to Automate Identity and Password Management 4Health News:Kessler Foundation receives first-round grant from International Progressive Multiple Sclerosis Alliance 2Health News:Join GSA in Washington, DC, for the Nation's Premier Aging Conference 2
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