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Tag: "primary" at biology news

Association of herpesvirus with lung disorder questioned

...'s sarcoma virus, in the lungs of 22 patients with primary or other forms of pulmonary hypertension. These ob... tissue from a similar number of patients. Both primary pulmonary hypertension and infection with HHV-8 are uncommon, Katano and co-authors explained. Human...

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

...The challenge is to figure out which factors are a primary cause of diabetes and which are a consequence, said Dr. Patti. "In our study, we needed to find out what was happening in these mice, before they got the problem." Their insulin levels provided a clue. In the prenatally undernourished mice, the insu...

Fox Chase Cancer Center scientists identify immune-system mutation

...le, a decrease in the number of CD4 T cells is the primary mechanism by which HIV causes AIDS," Kappes said. The helper-deficient mice his team discovered represent the second time that a naturally occurring mutant strain has been found and bred at Fox Chase. In 1981, the laboratory group of Melvin Bosma, P...

Antarctic ice shelf retreats happened before

...lst rising air temperatures are believed to be the primary cause of recent dramatic disintegration of ice shelves like Larsen B, the new study suggests that the ocean may play a more significant role in destroying them than previously thought. The University of Durham's, Dr Mike Bentley, one of the leaders ...

Tiny particles could solve billion-dollar problem

...eaking TCE into non-toxic components. Cost is the primary hurdle to cleaning up TCE-polluted groundwater. CBEN's team hopes to drive down costs by using every ounce of palladium to maximum efficiency, and by eliminating drilling costs for new wells, construction costs for surface treatment facilities and en...

The secret lives of whales

...ity (4.2 billion people) depends on seafood as its primary source of animal protein, and if the fish are seriously polluted, they may soon be unsafe to eat.?/p> Payne reasoned that by taking biopsy samples from whales and analyzing their contaminant loads, he could map levels of pollutants in different o...

Female sex hormones play a vital role in defense against sexually transmitted diseases

...re out that women too, like mice, are protected in primary exposure by estradiol, contraceptive creams could ...ormonal conditions that provide protection against primary exposure to sexually transmitted viral infections may be very different than those that may be usefu...

New imaging method gives early indication if brain cancer therapy is effective, U-M study shows

...eedings of the National Academy of Sciences. Most primary brain tumors have a high mortality rate, with people surviving only 10 months after diagnosis. Typically, patients receive seven weeks of treatment, followed by a traditional MRI scan six weeks after completing therapy to determine if the tumor shran...

Scientists collaborate to assess health of global environment

...ennium Ecosystem Assessment program will issue its primary report on March 30 during press conferences in London, Washington, D.C., Tokyo, Beijing, New Delhi, Brasilia, Cairo, Nairobi and Rome. More than 2,000 scientists from 95 countries participated in the assessment and concluded that the environmental be...

Muscle-targeted gene therapy reverses rare muscular dystrophy in mice

..., a stored form of sugar, into glucose, the body's primary energy source. As a result, glycogen builds up in muscles throughout the body, including the heart, causing muscles to degenerate. Using genetically altered mice in which the gene for the enzyme had been rendered nonfunctional, the researchers demon...

Scientists decipher genome of fungus that can cause life-threatening infections

...ence in their gene content."TIGR scientists led by primary investigator Claire M. Fraser, thePresident of TIGR, deciphered the genome of one strain of C. neoformanswhile researchers led by Richard Hyman at Stanford University's GenomeTechnology Center in Palo Alto, CA, sequenced the second strain. Theproject...

First-ever Compounds To Target Only Metastatic Cells Are Highly Effective Against Breast, Prostate, And Colon Cancers

...ells spreading throughout the body, while ignoring primary tumor cells, could someday give doctors a whole ne...chemotherapy, or radiation to excise or shrink the primary tumor. "However, in too many cases it's simply impossible to completely remove the tumor," Dr. Huan...

Placenta Is A Rich Source Of Blood Stem Cells

...y of children and families. Children's also is the primary pediatric teaching affiliate of Harvard Medical School. For more information about the hospital visit: http://www.childrenshospital.org/research. ...

Scientists discover unique microbe in California's largest lake

...from any found in other higherplants or algae. The primary pigment, called chlorophyll d, is onlymade by Acaryochloris and it is what enables these species to useinfrared light."The new microbe is one of only three organisms known to science thatuse a combination of near-infrared light and visible light to p...

Alcohol's effects on gene expression in the central nervous system

Alcohol's primary target is the central nervous system (CNS), where it influences neurotransmission to produce intoxication. Scientists can now use microarray technology to study brain function gene by gene. Symposium proceedings published in the February issue of Alc...

New SARS Protein Linked To Important Cell Doorway

...ir way out of the cell. The finding exemplifies a primary directive of the University's BioMed 21 Initiative: harness the power of genetic information to rapidly advance possibilities for patient treatment. If further investigation shows orf7a is important to the SARS virus' ability to cause disease, scient...

Family trees of ancient bacteria reveal evolutionary moves

...ty in St. Louis has proposed that evolution is the primary driving force in the early Earth's development rather than physical processes, such as plate tectonics. Carrine Blank, Ph.D., Washington University assistant professor of geomicrobiology in the Department of Earth & Planetary Sciences in Arts &a...

Vascular structure and function improve with diet and exercise

... to prevent or treat cardiovascular disease," said primary investigator Robert J. Petrella, M.D., Ph.D., associate professor in the Schulich School of Medicine at the University of Western Ontario. "The difference here is that the calories and composition of the diet and physical activity prescribed were mat...

Surprising findings reported about iron overload

...ey hope that results of the study will prompt more primary care physicians to consider hemochromatosis and ir...ct only older men. A previous UAB study found that primary care physicians provided fewer than 70 percent correct responses about screening at-risk populations...

Discovery Promises Simpler Therapy for Sickle Cell Disease

...itric oxide is a major factor behind the disease's primary symptoms -- including oxygen deprivation and blocked vessels that can lead to pain, clots and stroke. Thus, therapies that restore nitric oxide to blood cells might serve as a useful method for treating the disease, said HHMI researcher Jonathan Stam...

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(Date:11/4/2014)... Fla. (November 4, 2014) — Think about the way ... How do neighboring cells know that they are supposed ... how do these tissues find the correct place and ... answering these crucial questions. , In a new study, ... to communicate with their surrounding neighbors, at the head-trunk ...
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Breaking Medicine News(10 mins):Health News:Trendy Long Black Evening Gowns Now Provided By iFitDress.com 2Health News:Aesthetic Lasers and Energy Devices Market in APAC (China, Japan, South Korea, Australia and India) to 2020 2Health News:Aesthetic Lasers and Energy Devices Market in APAC (China, Japan, South Korea, Australia and India) to 2020 3Health News:Aesthetic Lasers and Energy Devices Market in APAC (China, Japan, South Korea, Australia and India) to 2020 4Health News:Pro Ace Care Now Gives 8 Year Guarantee on Selected Vancouver Hot Water Tanks 2Health News:Close Friends May Be Key to Teens' Drinking 2
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