Body

Possible explanation for human diseases caused by defective ribosomes

Ribosomes are essential for life, generating all of the proteins required for cells to grow. Mutations in some of the proteins that make ribosomes cause disorders characterized by bone marrow failure and anemia early in life, followed by elevated cancer risk in middle age. These disorders are generally called "ribosomopathies."

Scientists understand how E. coli clone has become globally distributed

Scientists have for the first time come closer to understanding how a clone of E. coli, described as the most important of its kind to cause human infections, has spread across the world in a very short time.

New functions for 'junk' DNA?

DNA is the molecule that encodes the genetic instructions enabling a cell to produce the thousands of proteins it typically needs. The linear sequence of the A, T, C, and G bases in what is called coding DNA determines the particular protein that a short segment of DNA, known as a gene, will encode. But in many organisms, there is much more DNA in a cell than is needed to code for all the necessary proteins. This non-coding DNA was often referred to as "junk" DNA because it seemed unnecessary.

New non-surgical treatment for common, vexing eye condition

Baltimore, MD, 31 March 2014. – A new report reveals a potential breakthrough in the treatment of a common eye ailment known as pterygium (Surfer's eye) that impacts the vision, eye health, and cosmetic appearance of countless sufferers.

The newly published report shows that eye drops containing the anti-anginal drug dipyridamole (Persantin®, Cardoxin®) led to almost total disappearance of an inflamed pterygium in a 35 year old otherwise healthy woman.

Lowering your cholesterol may improve your sex life

A new Rutgers study is giving hope to older men concerned about the effects of cholesterol-lowering medications on their sexual health.

The research, conducted at Rutgers Robert Wood Johnson Medical School, found that statin medication prescribed to lower cholesterol and decrease the chance of heart attack and stroke, also improves a man's erectile function. The researchers reported their findings at the American College of Cardiology's annual scientific session in Washington DC March 29 and in the April issue of The Journal of Sexual Medicine.

Rural versus urban causes of childhood concussion

Researchers at Western University (London, Canada) have found youth living in rural areas are more likely to sustain concussions from injuries involving motorized vehicles such as all-terrain vehicles and dirt bikes, whereas youth living in urban areas suffer concussions mostly as a result of sports. Hockey accounts for 40 per cent of those injuries. The study which reveals where and how children are receiving concussions is published in the Journal of Trauma and Acute Care Surgery.

Proteins discovered in gonorrhea may offer new approach to treatment

CORVALLIS, Ore. – Researchers at Oregon State University have discovered novel proteins in, or on the surface of the bacteria that causes gonorrhea, which offer a promising new avenue of attack against a venereal disease that is showing increased resistance to the antibiotics used to treat it.

Genetic cause of heart valve defects

Heart valve defects are a common cause of death in newborns. Scientists at the University of Bonn and the caesar research center have discovered "Creld1" is a key gene for the development of heart valves in mice. The researchers were able to show that a similar Creld1 gene found in humans functions via the same signaling pathway as in the mouse. This discovery is an important step forward in the molecular understanding of the pathogenesis of heart valve defects. The findings have been published in the journal "Developmental Cell".

Certain genetic variants may identify patients at higher risk of bladder cancer recurrence

While patients diagnosed with bladder cancer usually face a favorable prognosis, many experience recurrence after treatment. Because frequent, painful screenings are needed to identify recurrences, the ablility to identify patients at high risk of recurrent cancer could help to improve quality of life for all bladder cancer patients.

Newly discovered molecule may offer hope for immune disorders and runaway inflammation

A new research discovery published in the April 2014 issue of the Journal of Leukocyte Biology may open the door to new therapies that help treat immune disorders or curb runaway inflammation. Specifically, scientists have discovered a molecule that can induce cell death (apoptosis) in a key type of immune cell (dendritic cells). With this understanding, it may be possible to develop new therapies that essentially shut down dendritic cell activity, and thereby reducing an immune reaction.

Tested a drug that strengthens the analgesic effect of opioids without increasing constipation

Scientists from the University of Granada have taken part, alongside the Esteve laboratory, in the development of a new drug that multiplies the analgesic effect of opioids (drugs for treating intense pain), without increasing constipation, one of the most common side-effects of these drugs, among which is morphine.

Comparison of drug-releasing stents show similar safety outcomes after 2 years

A comparison of the safety of biodegradable polymer biolimus-eluting stents vs durable polymer everolimus-eluting stents finds similar outcomes for measures including death and heart attack after two years, according to a JAMA study released online to coincide with presentation at the 2014 American College of Cardiology Scientific Sessions.

Nano-paper filter removes viruses

Nanotechnology and Functional Materials, Uppsala University have developed a paper filter, which can remove virus particles with the efficiency matching that of the best industrial virus filters. The paper filter consists of 100 percent high purity cellulose nanofibers, directly derived from nature.

The research was carried out in collaboration with virologists from the Swedish University of Agricultural Sciences/Swedish National Veterinary Institute and is published in the Advanced Healthcare Materials journal.

Major breakthrough in stem cell manufacturing technology

Scientists at The University of Nottingham have developed a new substance which could simplify the manufacture of cell therapy in the pioneering world of regenerative medicine.

Cell therapy is an exciting and rapidly developing area of medicine in which stem cells have the potential to repair human tissue and maintain organ function in chronic disease and age-related illnesses. But a major problem with translating current successful research into actual products and treatments is how to mass-produce such a complex living material.

A breakthrough in creating invisibility cloaks, stealth technology

Controlling and bending light around an object so it appears invisible to the naked eye is the theory behind fictional invisibility cloaks.

It may seem easy in Hollywood movies, but is hard to create in real life because no material in nature has the properties necessary to bend light in such a way. Scientists have managed to create artificial nanostructures that can do the job, called metamaterials. But the challenge has been making enough of the material to turn science fiction into a practical reality.