link in Biological News

Stress signals link pre-existing sickness with susceptibility to bacterial infection

Mitochondrial diseases disrupt the power generating machinery within cells and increase a person's susceptibility to bacterial infection, particularly in the lungs or respiratory tract. A new study published in Disease Models & Mechanisms (DMM), shows that infection with the pneumonia causing ba...

Scientists link immune system's natural killer cells to infant liver disease

CINCINNATI Scientists have linked an overactive response by one of the immune system's key weapons against infection natural killer, or NK, cells to the onset of biliary atresia in infants, a disease where blocked bile ducts can cause severe liver damage and death. Researchers at Cincinnati ...

New research finds possible genetic link to cause of pregnancy loss and disorders

KNOXVILLE -- Scientists at the University of Tennessee, Knoxville, and Lawrence Berkeley National Laboratory (LBNL) have published new findings about a cause of a condition at the root of genetic disorders such as Down Syndrome, pregnancy loss and infertility. Called aneuploidy, the condition i...

LSUHSC research helps link schizophrenia to specific DNA region

New Orleans, LA For the first time, an international group of researchers has found genetic evidence linking schizophrenia to a specific region of DNA on chromosome 6. This is the same area where key genes for immune function are located. The LSUHSC research team was led by Nancy Buccola, APRN,...

A genetic link to premature ejaculation

Premature ejaculation can be embarrassing, but a new study suggests that it might be a genetic disorder. Researchers from Turku, Finland, interviewed more than three thousand men - all pairs of male twins and their older or younger brothers - about the first time they had sex. Many participants...

Study finds link between individual stress and adolescent obesity

AMES, Iowa -- Stress may indeed be a direct contributor to childhood obesity. That's according to a new Iowa State University study finding that increased levels of stress in adolescents are associated with a greater likelihood of them being overweight or obese. The study of 1,011 adolescents (...

Study finds link between hot flashes and lower bone density in women

FINDINGS: UCLA researchers and colleagues analyzed data for 2,213 women between the ages of 42 and 52 who participated in the bone sub-study of the Study of Women's Health Across the Nation to determine whether women with vasomotor symptoms (VMS) which include hot flashes and night sweats had l...

Fossil evidence of missing link in the origin of seals, sea lions, walruses found in Canadian Arctic

Pittsburgh, PennsylvaniaResearchers from the United States and Canada have found a fossil skeleton of a newly discovered carnivorous animal, Puijila darwini . New research suggests Puijila is a "missing link" in the evolution of the group that today includes seals, sea lions, and the walrus...

Researchers discover link between schizophrenia and diabetes

AUGUSTA, Ga. People with schizophrenia are at increased risk for type 2 diabetes, Medical College of Georgia researchers have found. In a study of 50 people newly-diagnosed with schizophrenia or a related psychotic disorder with no other known risk factors, 16 percent had either diabetes or an...

New link in liver cancer

Liver damage can be triggered by various insults, including hepatitis infection or alcohol-induced cirrhosis. In severe cases, this damage can lead to cancer. A new study by researchers at the National Institutes of Health and Osaka University reveals how one protein helps decide the fate of damag...

Research supports toxoplasmosis link to schizophrenia

Scientists have discovered how the toxoplasmosis parasite may trigger the development of schizophrenia and other bipolar disorders. The team from the University of Leeds' Faculty of Biological Sciences (UK) has shown that the parasite may play a role in the development of these disorders by aff...

Plasminogen activator inhibitor type-1 -- a potential link between heart failure and diabetes

Researchers at the University of Vermont Cardiovascular Research Institute, Colchester, Vermont have found that increased expression in the heart of plasminogen activator inhibitor type-1 (PAI-1) is profibrotic. The results, which appear in the March 2009 issue of Experimental Biology and Medici...

Genetic study shows direct link between vitamin D and MS susceptibility 'gene'

Researchers have found evidence that a direct interaction between vitamin D and a common genetic variant alters the risk of developing multiple sclerosis (MS). The research, published on 6 February in the open-access journal PLoS Genetics , suggests that vitamin D deficiency during pregnancy and ...

Missing genes link to psoriasis

Genetics experts at The University of Nottingham have been involved in a scientific breakthrough which is helping to explain why some people may be more likely to suffer from the chronic skin condition, psoriasis. The research, which has just been published in the journal Nature Genetics , sho...

Researchers genetically link Lou Gehrig's disease in humans to dog disease

COLUMBIA, Mo. An incurable, paralyzing disease in humans is now genetically linked to a similar disease in dogs. Researchers from the University of Missouri and the Broad Institute have found that the genetic mutation responsible for degenerative myelopathy (DM) in dogs is the same mutation that c...

BIO-key(R) Mobile Data and Messaging Solutions Link Nebraska Law Enforcement Agencies

Lincoln Police Department Commits to Additional MobileCop Units WALL, N.J., Jan. 13 /PRNewswire-FirstCall/ -- BIO-key International, Inc. (OTC Bulletin Board: BKYI), a leader in finger-based biometric identification and wireless public safety, announced today an add-on contract from the Lin...

Biologists discover link between CGG repeats in DNA and neurological disorders

MEDFORD/SOMERVILLE, Mass. Researchers have long known that some repetitive DNA sequences can make human chromosomes "fragile," i.e. appearing constricted or even broken during cell divisions. Scientists at Tufts University have found that one such DNA repeat not only stalls the cell's replication...

UT Public Health researchers find link to severe Staph infections

Researchers at The University of Texas School of Public Health recently described studies that support the link between the severity of community-acquired antibiotic-resistant Staph ylococcus aureus (CA MRSA) infections and the Panton Valentine leukocidin (PVL). The Panton Valentine leuk...

Scientists find link between inflamed gums and heart disease

The next person who reminds you to floss might be your cardiologist instead of your dentist. Scientists have known for some time that a protein associated with inflammation (called CRP) is elevated in people who are at risk for heart disease. But where's the inflammation coming from? A new researc...

U of Minnesota researcher finds link between aggression, status and sex

Have you ever wondered why it seems like the littlest things make people angry? Why a glance at the wrong person or a spilled glass of water can lead to a fist fight or worse? University of Minnesota researcher Vladas Griskevicius has three words to explain why people may be evolutionarily incline...

Discovery of new gene associated with diabetes risk suggests link with body clock

A connection between the body clock and abnormalities in metabolism and diabetes has been suggested in new research by an international team involving the University of Oxford, the Wellcome Trust Sanger Institute and the MRC Epidemiology Unit in Cambridge. The researchers have identified a gene...

Adiponectin is a metabolic link between obesity and bone mineral density

Researchers at the University of Toronto, Faculty of Medicine, Toronto, Canada, have discovered that adiponectin, a protein secreted from adipocytes, is a metabolic link that can explain, in part, the known positive relationship between obesity and both bone mineral density and reduced susceptibil...

Key link in how plants adapt to climate discovered by Stanford researchers

How many mouths does a plant need in order to survive? The answer changes depending on climate, and some of the decisions are made long before a new leaf sprouts. Stanford researchers have found that the formation of microscopic pores called stomata (derived from the Greek word stoma, meaning m...

Researchers find link between nicotine addiction and autism

COLUMBUS, Ohio Scientists have identified a relationship between two proteins in the brain that has links to both nicotine addiction and autism. The finding has led to speculation that existing drugs used to curb nicotine addiction might serve as the basis for potential therapies to alleviate the...

Global warming link to amphibian declines in doubt

Evidence that global warming is causing the worldwide declines of amphibians may not be as conclusive as previously thought, according to biologists. The findings, which contradict two widely held views, could help reveal what is killing the frogs and toads and aid in their conservation. "We ar...

Sedimentary records link Himalayan erosion rates and monsoon intensity through time

Throughout history, the changing fortunes of human societies in Asia have been linked to variations in the precipitation resulting from seasonal monsoons. A new paper published online today in the journal Nature Geoscience suggests that variations in monsoon climate over longer time scales a...

U of MN study shows link between gene variations and cancer survival

Scientific research shows that certain genes can influence a person's likelihood to contract particular diseases, cancer for example. New research at the Masonic Cancer Center, University of Minnesota demonstrates that genetic markers may also show a person's likelihood to survive the disease. ...

A link between mitochondria and tumor formation in stem cells

Researchers report on a previously unknown relationship between stem cell potency and the metabolic rate of their mitochondria a cell's energy makers. Stem cells with more active mitochondria also have a greater capacity to differentiate and are more likely to form tumors. These findings, appe...

New study indicates link between weight gains during pregnancy and dieting history

October 1, 2008, St. Louis, MO Women who have a history of dieting or other restricted eating practices are at risk of gaining an inappropriate amount of weight during pregnancy. In a study published in the October 2008 issue of the Journal of the American Dietetic Association, researchers from...

International TGen-led team finds link between brain protein and Alzheimer's disease

PHOENIX, Ariz. Sept. 15, 2008 Investigators at the Translational Genomics Research Institute (TGen) today announced a link between the brain protein KIBRA and Alzheimer's disease, a discovery that could lead to promising new treatments for this memory-robbing disorder. The new discovery build...

Rhode Island Hospital study finds link between obesity, type 2 diabetes and neurodegeneration

PROVIDENCE New research from Rhode Island Hospital found that obesity and Type 2 Diabetes Mellitus (T2DM) can contribute to mild neurodegeneration with features common with Alzheimer's disease (AD) the first study to show that obesity can cause neurodegeneration. The study appeared in the Journ...

Sex hormones link to heart risk

Men are more prone to and likely to die of - heart disease compared with women of a similar age and sex hormones are to blame, according to a new University of Leicester led study The findings of a study by Dr Maciej Tomaszewski, New Blood Lecturer in Cardiovascular Medicine in the Department...

Heavy metal link to mutations, low growth and fertility among crustaceans in Sydney Harbor tributary

Heavy metal pollutants are linked to genetic mutations, stunted growth and declining fertility among small crustaceans in the Parramatta River, the main tributary of Sydney Harbour, new research shows. The finding adds to mounting evidence that toxic sediments and seaweeds in Sydney Harbour are...

Researchers link cocoa flavanols to improved brain blood flow

McLEAN, VA (August 18, 2008) Cocoa flavanols, the unique compounds found naturally in cocoa, may increase blood flow to the brain, according to new research published in the Neuropsychiatric Disease and Treatment journal. The researchers suggest that long-term improvements in brain blood flow cou...

Circadian rhythm-metabolism link discovered

Irvine, Calif. UC Irvine researchers have found a molecular link between circadian rhythms our own body clock and metabolism. The discovery reveals new possibilities for the treatment of diabetes, obesity and other related diseases. Paolo Sassone-Corsi, Distinguished Professor and Chair of P...

Researchers discover link between organ transplantation and increased cancer risk

PHILADELPHIA Researchers have determined a novel mechanism through which organ transplantation often leads to cancer, and their findings suggest that targeted therapies may reduce or prevent that risk. In the July 15, 2008, issue of Cancer Research , researchers at Harvard Medical School foun...

Researchers link early stem cell mutation to autism

La Jolla, Calif., June 30, 2008--In a breakthrough scientific study published today in the Proceedings of the National Academy of Sciences , scientists at the Burnham Institute for Medical Research have shown that neural stem cell development may be linked to Autism. The study demonstrated that m...

Growth hormone's link to starvation may be clue to increasing life span, researchers find

DALLAS June 27, 2008 Researchers at UT Southwestern Medical Center have determined that starvation blocks the effects of growth hormone via a mechanism that may have implications in treating diabetes and extending life span. "It's been well-established that growth is blunted during starvation...

New bee checklist lets scientists link important information about all bee species

In time for National Pollinator Week, June 22 through June 28, biologists have completed an online effort to compile a world checklist of bees. They have identified nearly 19,500 bee species worldwide, about 2,000 more than previously estimated. There is a current crisis known as "colony collapse ...

Mechanism explains link between apolipoprotein E and Alzheimer's disease

Scientists have discovered a previously unknown mechanism by which apolipoprotein E, a molecule whose mutation is linked to Alzheimer's disease (AD), stimulates degradation of sticky amyloid beta (A?) protein within the brain. The research, published by Cell Press in the June 12 issue of the journ...