Showing posts with label discovered. Show all posts
Showing posts with label discovered. Show all posts

Saturday, December 11, 2010

Discovered a gene predisposition to heart disease


60 million people worldwide are carriers of a genetic mutation, which almost inevitably lead to the development of their heart disease

Such a study published in the journal Nature Genetics.

For the first time scientists have discovered a gene mutation responsible for protein production MYBPC3 (it is contained exclusively in heart tissue), five years ago in two Indian families whose members suffered from cardiomyopathy - a disease that leads to the defeat of the heart muscle.

To conduct a larger study involved 800 patients were suffering from heart disease in the control group included 700 volunteers. His results showed that the genetic mutation of this kind is common and is observed in approximately one hundredth of each person.

The risk of developing diseases related to the cardiovascular system, the mutant gene carriers jump seven times, which means almost inevitable occurrence of the disease.

In the lab, the researchers demonstrated that heart cells that bear a mutation, which falls 25 letters of genetic code that produces a defective protein MYBPC3, which violates the structure of the heart muscle.

According to scientists, people younger organism successfully coped with the "breakdown" and restore the correct protein structure. However, in adulthood, this mechanism starts getting worse, which leads to the development of cardiovascular disease, transmit medicinews.ru.

Chris Tyler-Smith, a member of the British Institute Wellcome Trust Sanger Institute believes that this genetic mutation occurred about 30,000 years ago.
According to him, it is easy to test young people for the presence of mutations. But the problem is that effective methods of treatment has yet been found, and all that the doctor may suggest a mutant gene carriers - is to lead a healthy lifestyle.

Wednesday, December 1, 2010

Disclosed the cause of Alzheimer's disease


British scientists have discovered the genes responsible for the development of Alzheimer's disease

Two key genes that are responsible for the occurrence of the disease were detected during the 16-year career and led experts to revisit the theory of the disease, as well as to understand its causes.

Both genes discovered previously attributed only to the protective effect of brain function. Now, however, it became clear that the slightest change can alter their actions to the contrary.

According to scientists, these genes may simply begin to harm brain cells. Results of the study were complemented by French scientists who discovered a third gene that affects the appearance of the disease. All open genes involved in the violation of cholesterol in the human body, according to DNI.RU.

Scientists hope this discovery will allow to develop new therapies and diagnostics, as well as create new medicines.

"If we can neutralize the effect of these genes, we reduce the number suffering from the disease by about 20%," - noted professor of the University of Wales.
As reported by BBC, at the moment, scientists are going to conduct a study involving 60,000 people. In the new tests, experts want to study the genetic mechanisms of disease onset. According to specialists, most Alzheimer's disease affects more than 26 million people in the world. A few decades the number could grow to 100 million.

The disease is considered incurable, and existing medicines and treatments only slow down the processes that are still evolving. Over time, the patient loses memory, basic life skills and the ability to navigate in space.
Recall that earlier in the event of illness blamed on another gene, which has frequently been the object of research. In addition, the causes of the disease, scientists believed the complex factors, among which were called genes, lifestyle and emotional upsets the patient.

Wednesday, April 14, 2010

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Do you know of a breaking news natural cure? There may be many natural cures that are on the verge of being discovered such as new cures for cancer, high blood pressure, heart disease, cholesterol problems, and HIV. Please submit your URL, and post in comments.

Thank you.

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