The 2007 Nobel Prize in Physiology or Medicine will be shared by Oliver Smithies from the University of North Carolina at Chapel Hill, USA,, Mario R. Capecchi from the University of Utah and the Howard Hughes Medical Institute Salt Lake ...

Using a computer model, American scientists hypothesize that two strains of HIV are needed in order to cause AIDS. One strain is the fit strain, which is able to spread many copies of itself, and the other is the unfit ...

Insulin, a hormone secreted by the pancreas, controls the level of sugar in the blood. Diabetic people suffer from low levels of insulin production and/or from abnormal resistance to the insulin hormone with inadequate levels of insulin secretion to compensate ...

In a new research currently taking place in the University of Washington (UW), scientists are trying to use alpha-particles’ radiation to kill lone cancer cells. Targeting the cancerous cells in the blood stream is done using specific antibodies. The radiation ...

Scientists in California have discovered a DNA sequence that turns on and off gene expression in the cell. The human genome is a very long molecule composed of repetitions of the four nucleic acids (coded by the letters A, T, ...

Embryonic stem cells are pluripotent cells, cells that can transform and become any other cell in the body, and for this reason they can be used to heal or strengthen any human tissue. However, so far scientists have had difficulties ...

Pancreatic cancer is one of the deadliest diseases in the US. Out of almost 38,000 people diagnosed with the disease every year there are an estimated 34,000 deaths. Pancreatic cancer is hard to detect and requires invasive procedures, which are ...

Among other symptoms, Multiple Sclerosis, affects the gait of the patient. This is the result of weak muscles, sensory disorders and general fatigue, and is also caused by incoordination induced by neuronal abnormality. A new device developed by a group ...

Bacterium is known to be a single cell creature. However, a mass of bacteria can create ‘biofilm’, a layer of bacteria acting together. Some bacteria must be present in biofilm in order to execute some of its features, especially pathogenesis ...

Oral cancers are hard to detect in the early stages of the disease because they’re painless or resemble a dental disease. When cancer is detected in the hospital, using sophisticated equipment, it might be too late for the patient. Because ...