Life Sciences

Found results: 11545

Other life sciences

Sirtuins preserve not only youth, but also reason?

The fact that sirtuins are able to counteract aging is an almost universally accepted theory in the scientific world. Now a group of researchers from MIT has discovered that sirtuins also affect brain function, especially learning and memorization processes.

15.07.2010
Other life sciences

Play Cell Biologist

The cell under the guidance of the player will have to search for resources, evolve and repel virus attacks. The game is similar to real-time strategy and games of the "tower defense" genre, in which the player defends the fortress from enemies.

13.07.2010
Biomedicine

A false target for cancer cells

It was the SID decoy protein molecule (English decoy – a false target), which bound to the regulatory protein, preventing it from starting the work of genes that provide a cancer cell with rapid growth and resistance to drugs.

12.07.2010
Genetic engineering

Genetically modified mice of unconventional orientation

It is unlikely that the study of mice that, after removing just one gene, turned into "lesbians" will explain the causes of homosexuality in women. But surely these mice will help to understand the biological basis of sexual orientation.

09.07.2010
Biomedicine

The AIDS vaccine: is it really a breakthrough?

The first AIDS vaccine protected only about 30% of potential patients from the virus. Now the antibodies found by the same group of researchers promise to cope with 90% of all types of HIV.

09.07.2010
Other life sciences

XL electrocardiograph and 58-size encephalograph

American researchers have developed a medical sensor that can read information for an electrocardiogram or electroencephalogram through clothing, without skin contact.

08.07.2010
Genetic engineering

There is less and less garbage in the DNA

One of the DNA sequences, which belonged to non-coding ("garbage") sites, was involved in the synthesis of one of the most important proteins of the human body.

07.07.2010
Cellular technologies

Stem cells: Beware of fakes!

Leading stem cell researchers have created a website where patients can learn what stem cells are, how to distinguish real doctors from scammers, etc.

06.07.2010
New in Gerontology

"Longevity genes": the truth is born in disputes

The message about the discovery of 150 genetic causes of longevity met with a far from unambiguous reaction from scientists. Some researchers were skeptical about the news.

05.07.2010
Genetics

Ten thousand animal genomes

The main idea of the international 10K Genomes project is to read ten thousand genomes of different vertebrate species. This is more letters than all the books in the Library of Congress, the National Library of China and our Leninka contain.

05.07.2010
Cellular technologies

Umbilical cord blood in Ukraine: deaf, like in a bank

Last week, the court ended the consideration of the first claim in Ukraine: the Kievan Yu.Makusev accuses the bank "Gemafond" of infection of umbilical cord blood during sampling in the maternity hospital.

05.07.2010
New in Gerontology

Hereditary predisposition to a long life

Scientists have found 150 specific single-nucleotide polymorphisms in healthy old people in body and spirit, and have developed a method that allows predicting individual predisposition to a long life with high probability.

05.07.2010
Nanotechnology

Blood nanofiltration: after four years...

The construction of the Russian production of medical equipment for cascade filtration of blood plasma has begun. Serial production of unique medical equipment will begin in 2013.

02.07.2010
Nanotechnology

Radio-controlled nematodes, cells, ion channels...

With the help of magnetic nanoparticles heated by radio frequency radiation, the researchers forced nematodes to crawl in the right direction, and ion channels in cell membranes to open and close.

01.07.2010
Other life sciences

The Immortal Cells of Henrietta Lacks

The well-known HeLa cell line is derived from cells taken from a cancer patient named Henrietta Lacks, who died in 1951. The HeLa cell line is used to study cancer and other diseases.

01.07.2010
Other life sciences

How to find the right gene in the genome?

The algorithm used by some Chinese search engines will help you find a gene common to different species or individual organisms in databases containing information about a variety of genomes.

01.07.2010
Biomedicine

When will the menopause come?

According to the concentration of anti-Muller hormone in the blood already in 30 and even 20 years, it is possible to determine quite accurately at what age menopause will begin.

30.06.2010
Other life sciences

Together against cancer: mitochondria and tumor suppressor p53

The identification of the relationship between the activity of the mitochondrial respiratory chain and the "anti-cancer" protein p53 is important both from the point of view of fundamental science and for the development of cancer treatment methods.

30.06.2010