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Hyaluronan Production And Cancer Growth Affected By Cell Sugar Concentrations
Date: Mar-01-2013According to a recent University of Eastern Finland (UEF) study, elevated cell sugar concentrations increase the production of hyaluronan which, in turn, promotes cancer growth. Regulating the production of hyaluronan may be a way to prevent the spreading of cancer. Hyaluronan is a long, linear carbohydrate polymer present in the human body. It forms a coating on the surface of many cells and plays a key role in fetal development and in the maintenance of normal tissue balance...
Aiming For Vaccine For All Meningitis Strains
Date: Mar-01-2013Scientists at the University of Southampton have taken a significant and important step in keeping people safe from the most common form of meningitis in the UK. Meningitis B (also known as Meningococcal group B or MenB) is one of the deadliest strains of meningitis. Each year, an average of 1,870 people in the UK are affected by the disease with one in 10 people dying from it...
Medications May Be Able To Help Slow Buildup Of Amyloid Plaques Linked To Cognitive Decline
Date: Mar-01-2013Researchers have identified a possible treatment window of several years for plaques in the brain that are thought to cause memory loss in diseases such as Alzheimer's. The Mayo Clinic study is published in the online issue of Neurology, the medical journal of the American Academy of Neurology. "Our study suggests that plaques in the brain that are linked to a decline in memory and thinking abilities, called beta amyloid, take about 15 years to build up and then plateau," says lead author Clifford Jack, Jr., M.D...
Genetic Markers In Clothing Lice May Reveal The Tracks Of Global Human Migrations
Date: Mar-01-2013A new genetic analysis of human lice from across the world sheds light on the global spread of these parasites, their potential for disease transmission and insecticide resistance. The results are published February 27 in the open access journal PLOS ONE by Marina S. Ascunce and colleagues from the Florida Museum of Natural History, University of Florida. Lice have been constant travel companions for humans ever since they left Africa and began colonizing other parts of the world...
Sugar Consumption Linked To Diabetes, Independent Of Other Factors
Date: Mar-01-2013Does eating too much sugar cause diabetes? For years, scientists have said "not exactly." Eating too much of any food, including sugar, can cause you to gain weight; it's the resulting obesity that predisposes people to diabetes, according to the prevailing theory. But now the results of a large epidemiological study suggest sugar may also have a direct, independent link to diabetes...
Cancers Resist Treatment By "Shuffling Their Genetic Pack"
Date: Feb-28-2013It is well-known in bowel cancer research that because of inherent "chromosomal instability", cancer cells manage to retain the upper hand by being able to "reshuffle" their genetic pack of cards, the chromosomes that hold the cells' DNA information, thus increasing cell diversity in tumors, which makes them difficult to treat. Now new research reveals that if bowel cancer cells lack one of three genes they can do this genetic reshuffling very quickly...
Ocular Complications Following Bone Marrow Transplant Common In Study
Date: Feb-28-2013JAMA Ophthalmology Study Highlights A study in the Netherlands by Viera Kalinina Ayuso, M.D., of the University Medical Center Utrecht, the Netherlands, examined the development of eye complications among children within one year of hematopoietic stem cell transplantation (HSCT, a bone marrow transplant). (Online First). The study included 49 patients who had ophthalmologic evaluations before HSCT and after. The ocular complications researchers looked at included uveitis (inflammation), hemorrhagic complications, optic disc edema and dry eye syndrome (DES)...
Animals Help Children With Autism Interact Better
Date: Feb-28-2013Animals help children with autism spectrum disorders (ASD) interact better; they show increased positive social behaviors when an animal is present. The finding came from a new study by researchers, led by Marguerite E O'Haire, from the University of Queesland, Australia and was published in the journal PLOS ONE. Kids between the ages of five and thirteen with ASD were involved in the investigation. The experts analyzed their interaction with adults and with peers who were developing normally, while two guinea pigs were present...
Strain Of Acne-Causing Bacteria Found To Actually Preserve Skin
Date: Feb-28-2013Everyone has acne-causing bacteria living on their skin, but researchers at the Washington University School of Medicine have identified that there are "good" and "bad" strains of the bacteria, which determine the frequency and severity of developing pimples. The findings, which were published in the Journal of Investigative Dermatology, reveal that not all acne bacteria trigger pimples, they even identified one strain that can actually help maintain healthy skin...
Five Major Psychiatric Disorders Share Genetic Link
Date: Feb-28-2013Five common psychiatric disorders - bipolar disorder, attention deficit-hyperactivity disorder (ADHD), autism, major depressive disorder, and schizophrenia - have been found to have the same genetic risk factors. Specifically, two variations in genes play a role in the balance of calcium in brain cells and are a common factor in a few of these disorders, and may be a goal for new treatments...
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