News

Mitosis under control: new details

The discovery of a biochemical pathway called "mitosis control factor-2" raises more questions than it provides answers, because so far a lot is unknown about how the components of the mitosis control mechanism interact with each other and how an exceptionally high accuracy of chromosome separation is achieved.

Gene therapy of Wiskott-Aldrich syndrome: the first successes

According to the data presented at the congress of the American Society of Hematology, four boys suffering from a rare hereditary disease had a significant improvement in their health after treatment.

Nobel Prize in Chemistry given for "DNA repair"

This year's laureates were Thomas Lindahl, a Swede, Paul Modrich, a US citizen, and Aziz Sankar, an American of Turkish origin, "for the study of DNA repair mechanisms."

Lactobacilli will protect babies from HIV-infected breast milk

A group of researchers has identified a special strain of lactobacilli living in the human oral cavity. This type of bacteria captures HIV viruses by attaching them to its outer shell. Since these bacteria grow and multiply in milk, it is enough to vaccinate a baby once to provide him with protection from infection until the end of the breastfeeding period.

Life expectancy in the European Union

The shortest life expectancy of men was recorded in Lithuania – 68.5 years, the longest – in Italy (80.3 years). Women live the least in Bulgaria (78.6 years), the longest in Spain (86.1 years).

The most detailed map of interneuronal connections

An innovative method of studying the brain – diffuse spectral tomography – allows you to record the spatial relationships between the processes of nerve cells – axons.

For the first time in the world: successful penis transplantation

A young man who has undergone a unique penis transplant operation will soon become a father.

At your age, Grandfather, it is harmful to lack of sleep!

In elderly people, lack of sleep can aggravate already, as a rule, impaired protective reactions to abnormal folding of protein molecules, the frequency of which increases as the cell ages. The accumulation and aggregation of abnormal proteins in the cell is associated with many diseases, including Alzheimer's and Parkinson's diseases.

Quantum dots increase the efficiency of RNA interference

Existing miRNA tracking tags glow for no more than a minute, while quantum dots emit light for many hours. Moreover, the new approach is 5-10 times less toxic to living cells than the chemical compounds currently used to monitor the course of RNA interference.

The virus is half a meter in diameter

The exact model of the African catarrhal fever virus exceeds the size of the original by more than five million times. It will help veterinarians develop more effective drugs to combat the spread of infection.

Nanomagnetic genes

Using the gene of a magnetic field-sensitive bacterium, Emory University scientists have created genetically modified mammalian cells capable of synthesizing magnetic nanoparticles.

Cannabis clogs the brain structures responsible for emotions and memory

The results obtained indicate the fallacy of the generally accepted opinion about the weak toxicity of marijuana or even about its complete harmlessness. Despite the fact that moderate use may not cause significant neurotoxic effects, active daily smoking of marijuana can be toxic to brain tissue.

The "older generation" in St. Petersburg

On April 23-26, the IX International Forum "The Older Generation" is being held at the Lenexpo exhibition complex in St. Petersburg.

Quitting smoking improves Relationships

Comparing the data from 1971 and 2003, scientists built computer models of social networks and marked smoking and non-smoking people with different icons on them, and found that people quit smoking in groups.

Therapeutic vaccine against Alzheimer's disease

The innovative mechanism of action of the experimental vaccine is aimed at the formation of specific antibodies to phosphorylated tau proteins, which are found in the brain in Alzheimer's disease.

A glass of wine a day is the key to a healthy liver

Recommended for people at risk for cardiovascular diseases, moderate alcohol consumption creates a dilemma: is alcohol safe for the heart in relation to the liver?

Patient, it's time for you to die!

In the Christmas issue of the British Medical Journal, a rheumatologist at one of the English clinics described a curious case that occurred in his department in April of this year.

Nobel laureate in Medicine chose euthanasia

Belgian cytologist and biochemist, winner of the Nobel Prize in Physiology or Medicine in 1974 Christian de Duve passed away by euthanasia at the age of 95.

Rusnano: our losses are not losses at all!

Recently, a number of media outlets have published materials about Rusnano's multibillion-dollar losses for 2012. According to the press service of the OJSC, these 21.8 billion rubles are not a loss, but reflect possible investment risks.

Absinthe is not a psychedelic, but a path to rapid alcoholism