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Neuronal 'traffic jam' marks early Alzheimer's disease

Early Alzheimer's disease may be precipitated by a "traffic jam" within neurons that causes swelling and prevents proper transport of proteins and structures in the cells, according to new studies by Howard Hughes Medical Institute researchers. .. In mouse models of Alzheimer's disease and in human brain samples from people with the disease, researchers observed a characteristic breakdown in neur...

Scientists detect probable genetic cause of some Parkinson's disease cases

Two new studies strongly suggest that a.mutation in a recently discovered gene is the most common genetic cause.of Parkinson's disease identified to date. The discovery by an.international research team provides fresh evidence that genetics may.contribute to the development of some cases of Parkinson's disease. The.findings could lead to the development of a genetic test to detect the.mutation in...

Transplantation Of Monkey Embryonic Stem Cells Reverses Parkinson Disease In Primates

The replenishment of missing neurons in the.brain as a treatment for Parkinson disease reached the stage of human.trials over 15 years ago, however the field is still in its infancy..Researchers from Kyoto University have now shown that.dopamine-producing neurons (DA neurons) generated from monkey embryonic.stem cells and transplanted into areas of the brain where these neurons.have degenerated i...

Ecological destruction fuels emerging diseases

The destruction of habitat by human activity and the extinction of species around the world is more than a looming environmental catastrophe, warns a Canadian zoologist. This ecological damage also endangers human health by turning parasites into "evolutionary land mines." .. . "The biodiversity crisis is not just about extinctions," says Dr. Brooks, whose pioneering parasi...

Newly discovered virus linked to childhood lung disorders and Kawasaki disease

Late update.tonight; my girlfriend is sick and I took care of her. First headline :.a newly discovered virus causing respiratory infection. Let's hope its.just a coincidence :) .A newly discovered virus may be responsible for many respiratory tract.illnesses in infants and children, and may be associated with an.important multi-organ disease whose cause has remained a mystery for.decades, accord...

Finding Cures For Tropical Diseases: Is Open Source An Answer?

There's a.paradigm in life science and drug development : only "lucrative"."markets" get exploited by R&D companies. In many occasions I've.seen very promising drugs candidates or related research get canned.because no money was to be made with it, even if millions would have.been saved worldwide. The usual strategy to avoid this fate is to find.a drug candidate that affect a "profitable" di...

U of M researcher examines newly emerging deadly disease

Researchers at the University of Minnesota have identified a newly emerging illness, named staphylococcal purpura fulminans. The disease begins as a respiratory tract infection, which then is infected by Staphylococcus aureus. The infection then moves to the lungs, making superantigens (bacterial toxins that activate large numbers of T cells), often leading to death due to hypertension and shock....

Marburg virus disease in Angola - update

As of 29 March 2005, the Ministry of Health has reported a total of 124 cases and 117 deaths in Cabinda, Luanda and Uige. All these cases had originated in Uige Province. Ten of these cases have been laboratory confirmed by the Centers for Disease Control and Prevention (CDC), Atlanta, USA. . The team from WHO, including experts from the Inter-country programme for southern Africa, the Regional O...

Molecular machine may lead to new drugs to combat human diseases

The crystallized form of a molecular machine that can cut and paste genetic material is revealing possible new paths for treating diseases such as some forms of cancer and opportunistic infections that plague HIV patients. .. Purdue University researchers froze one of these molecular machines, which are chemical complexes known as a Group I intron, at mid-point in its work cycle. When frozen, cry...

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

Two McMaster University studies, to be published in the Journal of Virology, show that sex hormones have a profound effect on susceptibility of female mice to the herpes simplex virus, type 2 (HSV-2 ), one of the most common sexually transmitted diseases. .. Charu Kaushic, assistant professor and supervisor of the studies, says the implication of this work is quite significant. "The research clea...

A bacterial genome reveals new targets to combat infectious disease

More than a billion people are at risk for infection with filarial nematodes, parasites that cause elephantiasis, African river blindness, and other debilitating diseases in more than 150 million people worldwide. The nematodes themselves play host to bacteria that live within their cells, but in this case, the relationship is classic mutualism, with each benefiting from the other. Indeed, the Wo...

Protein Packages Found To Activate Genes; May Be What Regulates Development And Disease

It's all in the packaging. How nature wraps and tags genes determines if and when they become active, according to researchers from Harvard and the Massachusetts Institute of Technology (M.I.T.). They did the largest, most detailed study to date of the protein structure that surrounds the human genome. . .. "Each type of cell in our bodies contains the same genes. What makes them do different thi...

First 'atlas' of key brain genes could speed research on cancer, neurological diseases

Researchers at Dana-Farber Cancer Institute.have compiled the first atlas showing the locations of crucial gene.regulators, or switches that determine how different parts of the brain.develop ?and, in some cases, develop abnormally or malfunction..The scientists say the map will accelerate research on brain tumors and.neurological diseases that result from mutations in these switch genes.?called...

Study: Soap And Water Work Best In Ridding Hands Of Disease Viruses

The largest, most comprehensive study ever done comparing the effectiveness of hand hygiene products shows that nothing works better in getting rid of disease-causing viruses than simply washing one’s hands with good old-fashioned soap and water. . .. .. "We st...

Gene Therapy For Parkinson's Disease Moves Forward In Animals

An international team of scientists has used gene therapy in two separate studies to renew brain cells and restore normal movements in monkeys and rats with a drug-induced form of Parkinson's disease. .. .. By inserting corrective genes into the brain, scientists studying small monkeys called ma...

Development of portable infectious disease detector

A portable device similar to today's home.pregnancy tests that can quickly detect the presence of infectious.diseases, including HIV-AIDS and measles, as well as biological agents.such as ricin and anthrax, is the object of a new joint.university/industry research project..Vanderbilt University's Institute for Integrative Biosystems Research.and Education (VIIBRE) and Pria Diagnostics LLC, a priv...

Deficiency of growth hormone and IGF-1 reduces cancer and kidney disease, but creates other problems

Deficiencies of growth hormone and similar compounds may reduce cancer and kidney disease late in life, but also may lead to cartilage degeneration and impaired memory and learning ability, according to research at Wake Forest University Baptist Medical Center and four other institutions. . The researchers used a rat model to explore the effects of growth hormone and another compound, IGF-1 (insu...

Gene vaccine for Alzheimer's disease shows promising results

UT Southwestern Medical Center at Dallas.researchers have found a way of stimulating the immune systems of mice.to fight against amyloid proteins that cause the devastating plaques.that are characteristic of Alzheimer's disease..For years scientists have examined the possibility of using a.protein-based vaccine to slow the progression of the disease in its.early stages. UT Southwestern researcher...

Duke Chemists Isolating Individual Molecules Of Toxic Protein In Alzheimer's, Parkinson's Disease

To understand the formation of the brain-clogging deposits that cause such disorders as Alzheimer's and Parkinson's diseases, Duke University chemists have figured out how to capture and "micromanipulate" the single molecular building blocks of the deposits. . .. The researchers led by Boris Akhremitchev are using the infinitesimal tip of a customized atomic force microscope (AFM) to captur...

Gene therapy for Parkinson's disease moves forward in animals

An international team of scientists has used gene therapy in two separate studies to renew brain cells and restore normal movements in monkeys and rats with a drug-induced form of Parkinson's disease. .. .. By inserting corrective genes into the brain, scientists studying small monkeys called ma...

NASA links nanobacteria to kidney stones and other diseases

Nanobacteria (NB), a novel self-replicating, mineralizing agent, has been identified by National Aeronautics and Space Administration (NASA) scientists as a potential culprit in kidney stone formation among astronauts. With the potential for future exploratory space missions to the moon and Mars, longer missions, and exposure to the elements of outer space, health is a major concern for astronaut...

Discovery Promises Simpler Therapy for Sickle Cell Disease

Durham, N.C. ?A new understanding of the causes for symptoms of sickle cell disease, a condition affecting one in every 600 African-Americans, has resulted from a study by researchers at Duke University Medical Center and Howard Hughes Medical Institute (HHMI). Their findings may lead to a new, more direct method for treating the disease, they said. .. Their research suggests that an inability of...

WHO Warns Of Increased Risk Of Vector-borne Diseases In Tsunami-affected Areas

The World Health Organization (WHO) warned about increased risk of vector-borne diseases such as malaria and dengue fever across tsunami-affected areas in Southeast Asia. Nearly four weeks after the disaster struck the region on 26 December, the organization is strengthening its disease surveillance, stagnant water conditions creating conditions for mosquito vectors to multiply to sufficient leve...

Gene Therapy Cures Inherited Liver Disease In Rats

A single dose of gene-virus combination cured rats of a inherited liver disease in which lack of a gene causes the accumulation of bilirubin –which, untreated, results in jaundice and brain damage, said researchers at Baylor College of Medicine in a report in the Proceedings of the Natural Academy of Sciences. . "This is the first time this disease (Crigler-Najjar syndrome) has been completely cu...

Researchers identify protein crucial for survival of Lyme-disease bacterium

When the tick-borne bacterium that causes Lyme disease lacks a specific protein that responds to an incoming meal of blood, it is unable to be transmitted from the tick to a new animal host, researchers at UT Southwestern Medical Center have found. . .. Results of the multisite study are currently online and will appear in an upcoming issue of the Proceedin...

Promising new West Nile therapy cures disease in mice

West Nile virus alarmed Americans when it made its first U.S. appearance in New York City in 1999. It has since spread from coast to coast, sickened more than 16,000 Americans and killed more than 600. As the virus spread, medical investigators hastened research to develop an effective vaccine or therapy. None currently exist, but a newly published paper by researchers at Washington University in...

Disease diagnosis, biodefense among UH chemical research projects

With 33 presentations of original research that showcase applications ranging from early-stage disease diagnosis to fuel cells and batteries, the University of Houston will be well represented at the 229th National Meeting of the American Chemical Society (ACS), March 13 to 17 in San Diego. . Founded in 1876, the ACS is a nonprofit, scientific and educational organization and the largest scientif...

Infants With Rare Genetic Disease Saved by Cord Blood Stem Cells

Children with a fatal genetic disorder called Krabbe disease can be saved and their brain development preserved if they receive stem cells from umbilical cord blood before symptoms of the disease develop, according to a study published in the May 19, 2005, issue of the New England Journal of Medicine. . Without an immediate transplant of stem cells, Krabbe infants rapidly begin to lose all cognit...

Genetic therapy reverses nervous system damage in animal model of inherited human disease

By injecting a therapeutic gene directly into the brain, researchers have treated a naturally occurring genetic disease in cats. This is the first genetic disease affecting the central nervous system to be successfully treated in an animal larger than mice and rats. If this approach can be successfully applied to humans, say the researchers, it might one day treat an entire class of diseases call...

One gene links newborn neurons with those that die in diseases such as Alzheimer's

In certain parts of the brain, cells called neurons go through a cycle of death and replenishment. New research from Rockefeller University's Fernando Nottebohm, Ph.D., shows that these replaceable neurons share something in common with the neurons that die in people with diseases such as Alzheimer's and Parkinson's: both have unusually low levels of a protein called UCHL1. . "It would be ironic...

Findings have implications for tracking disease, drugs at the molecular level

Researchers in the laboratory of Boston College Chemistry Professor John T. Fourkas have demonstrated that gold particles comparable in size to a molecule can be induced to emit light so strongly that it is readily possible to observe a single nanoparticle. Fourkas, in collaboration with postdoctoral researcher Richard Farrer and BC undergraduates Francis Butterfield and Vincent Chen, coaxed the...

Cellular Defects in Premature Aging Disease are Reversible

Cells affected by Hutchinson-Gilford Progeria Syndrome (HGPS) -- a disease associated with premature aging -- can be made healthy again, according to findings by scientists at the National Cancer Institute (NCI), part of the National Institutes of Health (NIH). Using specially modified segments of DNA, NCI researchers Paola Scaffidi, PhD, and Tom Misteli, PhD, reversed the abnormalities seen in H...

Disease progression model of pancreatic cancer developed by Penn researchers

Building on previous work, researchers at the University of Pennsylvania School of Medicine have developed an animal model of pancreatic cancer that closely mimics disease progression in humans. From this, they hope to develop new treatments for this deadly disease. Advanced pancreatic cancer is among the most lethal of cancers, with a one-year survival rate after chemotherapy of only 17 to 28 pe...

Gene therapy cures inherited liver disease in rats

A single dose of gene-virus combination cured rats of a inherited liver disease in which lack of a gene causes the accumulation of bilirubin –which, untreated, results in jaundice and brain damage, said researchers at Baylor College of Medicine in a report in the Proceedings of the Natural Academy of Sciences. .. "This is the first time this disease (Crigler-Najjar syndrome) has been completely c...

Infants with Rare Genetic Disease Saved By Cord Blood Stem Cells

Children with a fatal genetic disorder called Krabbe Disease can be saved and their brain development preserved if they receive stem cells from umbilical cord blood before symptoms of the disease develop, according to a study published in the May 19, 2005, issue of the New England Journal of Medicine. . Without an immediate transplant of stem cells, Krabbe infants rapidly begin to lose all cognit...

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

Scientists at the University of Southampton are continuing their pioneering research into diseases such as Creutzfeld-Jakob Disease (CJD) and related conditions caused by tiny particles known as prions, thanks to a £300,000 grant from the Medical Research Council. .. . Research has already found that the highly-infectious prion...

Nanobacteria in clouds could spread disease, scientists claim

Micro-organisms in clouds could play a crucial role in the spread of disease and in the formation of rain drops, scientists have claimed. . .. They say nanobacteria are now accepted as being widely prevalent in the terrestrial environment and that their evidence is compelling for...

Scientists identify genes responsible for 'black rot' disease in vegetables

Scientists at four major genomics and plant pathology laboratories in China have collaborated on a project to characterize the causative agent of "black rot" disease, which is the most serious disease of vegetable crops worldwide. Their study, which represents the largest comparative and functional genomics screen for a plant or animal bacterial pathogen to date, is published online today in the...

U. Iowa researchers improve Huntington's disease symptoms in mice

Researchers at the University of Iowa Roy J. and Lucille A. Carver College of Medicine have taken another step toward a potential treatment for Huntington's disease (HD). Using an approach called RNA interference (RNAi), the scientists reduced levels of the disease-causing HD protein in mice and significantly improved the movement and neurological abnormalities normally associated with the diseas...

Active Vaccine Prevents Mice From Developing Prion Disease

NYU School of Medicine scientists have created the first active vaccine that can significantly delay and possibly prevent the onset of a brain disease in mice that is similar to mad cow disease. The new findings, published online this week in the journal Neuroscience, could provide a platform for the development of a vaccine to prevent a group of fatal brain diseases caused by unusual infectious...
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Breaking Biology News(10 mins):Nano-Bio Manufacturing Consortium Awards Funding to Binghamton University for Development of Electronics and Biometric Sensor Platforms 2Nano-Bio Manufacturing Consortium Awards Funding to Binghamton University for Development of Electronics and Biometric Sensor Platforms 3SPIE launches Neurophotonics journal with special section on BRAIN Initiative 2SPIE launches Neurophotonics journal with special section on BRAIN Initiative 3
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Breaking Medicine News(10 mins):Health News:Homeostatic Cannabinoid Science ~ Publius’ July Roundup on the Bryan William Brickner Blog 2Health News:Latest Best Drug Rehabilitation Blog Posts Focuses on Nine Secrets Addicts Don’t Want Others to Know 2Health News:Latest Best Drug Rehabilitation Blog Posts Focuses on Nine Secrets Addicts Don’t Want Others to Know 3Health News:Clinical Issues in Primary Care Continuing Medical Education (CME) Conference - October 13-17, 2014 in Maui, Hawaii - Agenda Released 2Health News:Clinical Issues in Primary Care Continuing Medical Education (CME) Conference - October 13-17, 2014 in Maui, Hawaii - Agenda Released 3Health News:Colorado Non-Profit Foresight Ski Guides Seeking Applications for Blind and Visually Impaired Skiers and Guides for Vail Ski Season 2Health News:NLN CEO Co-Authors Textbook to Advance Diversity and Cultural Competence Across Health Care Professions 2Health News:NLN CEO Co-Authors Textbook to Advance Diversity and Cultural Competence Across Health Care Professions 3
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