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Tag: "diseases" at biology news

Touching Molecules With Your Bare Hands

...ma, Hodgkin’s disease, and Kaposi’s sarcoma. These diseases arise from the persistent latent infections that take hold after initial infections are controlled by immune defenses. The episome maintenance protein produced by EBV, called EBNA-1, harbors an amino acid element in its epitope—the region that binds ...

Fox Chase study shows that weakened T-cell receptor signals change T-cell lineage

...beta lineage provide protection against infectious diseases either by helping B cells generate antibodies against external agents (helper T cells) or by directly attacking and destroying cells infected by foreign invaders (killer T cells). Gamma-delta T cells migrate from the thymus to epithelial tissues such...

Research into how prions act in the brain could hold the key to defeating diseases

...pton are continuing their pioneering research into diseases such as Creutzfeld-Jakob Disease (CJD) and related...here is much we do not know about prions and prion diseases but our research teams are following several lines of investigation.' Prion diseases are extremely ...

NHGRI targets 12 more organisms for genome sequencing

...genetic variations associated with common, complex diseases in rats, which can then be used to help identify similar genetic variations that may be involved in human disease. The eight rat strains selected are the PVG strain, commonly used as a healthy control in studies; the F344 strain, used in toxicologic...

Owl genomics presents a HEPATOCHIP for diagnosis of non-alcoholic steatohepatitis

... associated to NASH. Since the prevalence of these diseases is increasing, the prevalence of NASH is also expected to increase and therefore, this disease has become an emerging public issue in United States as well as in other developed countries The HEPATOCHIP presented at the mentioned forum, has been dev...

Insects, viruses could hold key for better human teamwork in disasters

...esearchers are looking at the spread of infectious diseases in human populations. In the entomology area, they are looking at honeybees' (Apis mellifera) collaborative decision-making process when selecting a new hive or foraging, and at ants' (Solenopsis invicta) behavior when they are under threat. The res...

Nanobacteria in clouds could spread disease, scientists claim

...that nanobacteria's involvement in several serious diseases such as the formation kidney stones, heart disease, and HIV is also slowly being recognised by the scientific community. "Experiments have shown that nanobacteria are excreted from the body in urine and their dispersal from the ground into the atmos...

Penn Researchers Use Robotic Surgery

...recision to our surgical treatment of a variety of diseases of the head and neck. ...

Young Blood Revives Aging Muscles, Stanford Researchers Find

...likely targets. He said that for some degenerative diseases such as Alzheimer's or muscular dystrophy, such blood-borne factors may be able to reactivate the regenerative cell's ability to repair tissue that has been damaged. ### Postdoctoral scholar Michael Conboy, PhD, and former postdoctoral scholar Irin...

Two new retroviruses—transmitted from animals—identified

...recision to our surgical treatment of a variety of diseases of the head and neck. ...

Researchers Find New Technique To Identify Fetal Genetic Material From Amniotic Fluid

... (removal of amniotic fluid to test for hereditary diseases and congenital defects in the fetus). "After extraction from the normally discarded fraction of amniotic fluid, RNA was amplified twice, labeled, and analyzed using gene expression microarrays." The researchers were able to study the expression of de...

Embryonic Stem Cells Treated With Growth Factor Reverse Hemophilia In Mice: UNC Researchers

... hemophilia but also for other genetic or acquired diseases of the liver, said senior co-author Dr. Jeffery A. Frelinger, Kenan professor and chairman of microbiology and immunology. "The data published in this study shows that embryonic stem cells partially differentiated, are able to remain in the liver an...

Chemists synthesize molecule that helps body battle cancers, malaria

...e response in vaccine therapies against aggressive diseases such as melanoma, breast cancer, small-cell lung cancer, prostate cancer, HIV-1 and malaria. An extract from the bark of the South American tree Quillaja saponaria Molina, QS-21A is available only in small quantities. "Now that we have synthesized t...

Newly discovered protein an important tool for sleeping sickness research

...l is key to fighting African sleeping sickness and diseases caused by similar parasites. ...

Breakthrough System for Understanding Ocean Plant Life Announced

...l is key to fighting African sleeping sickness and diseases caused by similar parasites. ...

Active Vaccine Prevents Mice From Developing Prion Disease

...ent of a vaccine to prevent a group of fatal brain diseases caused by unusual infectious particles called prions. Although no cure for these diseases -- which include scrapie, mad cow disease, and chronic wasting disease -- is on the horizon, many re...

Searching the depths of the straits of Florida for disease cures

... that produce chemicals with the potential to cure diseases such as cancer and Alzheimer's. The work will include the first submersible exploration of the remote Cay Sal Bank, which encompasses a number of small, uninhabited islands 30 miles north of Cuba. Cay Sal was once notorious for its role in illegal dr...

Aircraft Cabin Ventilation Influences The Transmission Of Diseases In-flight

...ircraft cabins can reduce the spread of infectious diseases in-flight, suggests a review published in this wee...d data from studies looking at the transmission of diseases during commercial air travel. They found that while commercial airlines are a suitable environment f...

Whole genome promoter mapping - Human Genome Project v2.0?

...tic causes of, and possible genomic solutions for, diseases such as cancer. "Medicine is increasingly turning towards the idea of using genetic markers for diagnosis and prognosis, or determining personalized therapies, so-called pharmacogenetics, but we don't know how these genes are regulated or even relate...

Chronic Sinus Infection Thought To Be Tissue Issue, Mayo Clinic Scientists Show It's Snot

...Kita, M.D., and Gail Kephart, Mayo Clinic allergic diseases researchers. David Sherris, M.D., and Eugene Kern,... sinus infection is one of the most common chronic diseases in the United States, affecting 32 million adults, according to the National Center of Health Statis...

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