Articles

Found results: 16339

Other life sciences

RNA transmits the effects of childhood stress to descendants

The psychological stress experienced by an individual in childhood can affect the behavior and metabolism of the next two generations, for which special regulatory RNAs traveling with spermatozoa should be blamed.

15.04.2014
Cellular technologies

Three-dimensional artificial tumor

The model, consisting of a skeleton of fibrous proteins covered with a layer of HeLa cells, provides a realistic three-dimensional simulation of the tumor environment. It can be used to search for new anti-cancer drugs, to study the mechanisms of development and spread of tumors in the body.

15.04.2014
Nanotechnology

Better than natural

A hydrogel based on synthetic collagen binds platelets and activates them, promotes their aggregation. This significantly accelerates the stopping of bleeding, and at the same time not the slightest signs of inflammation are detected.

14.04.2014
Cellular technologies

Bioengineered cartilage for plastic surgery

Swiss researchers have successfully reconstructed nasal defects using bioengineered cartilage grown in the laboratory from the cells of five patients.

14.04.2014
Healthy skepticism

Tamiflu and Relenza: the big lie of Big Pharma

Tamiflu and relenza accelerate recovery from influenza by only 0.5 days, do not reduce the risk of complications and hospitalization, and also cause side effects not specified in the recommendations for use.

14.04.2014
Biomedicine

Alzheimer's disease: a new drug candidate

An international team of scientists has shown that caffeine is able to restrain the development of complexes of excessively phosphorylated tau proteins, the presence of which is a hallmark of Alzheimer's disease.

11.04.2014
Healthy skepticism

He was treated…

An inch-diameter hole has formed on the 55-year-old Australian's temple after he used a quack ointment for several months, which he hoped would rid him of skin cancer

11.04.2014
Cellular technologies

For the first time in the world

A group led by Anthony Atala conducted the first successful experiment to implant vaginas grown in the laboratory from their own cells to four teenage girls born with a rare genetic anomaly.

11.04.2014
Various

Children's photos can be easily aged

A new computer program does this in half a minute. And this is not just a game that parents can use to satisfy their curiosity: such a program can be useful, for example, when searching for children who disappeared many years ago.

11.04.2014
Prolonging youth

Waiting for the "old age pill"

Brian Kennedy, president of the Buck Institute for Aging Research, told the newspaper.En" about how many drugs against aging humanity will soon have and what principles they may have.

11.04.2014
Prolonging youth

How to rejuvenate an aged thymus gland

With the help of a single genetic switch, it was possible to restore the thymus - thymus gland in old mice, which normally degenerates with age.

10.04.2014
Cellular technologies

Stem cells helped to recover after stroke

The introduction of donor stem cells into damaged areas of the brain significantly improved the functional state of stroke patients.

10.04.2014
Various

The life line crept up

Over the past 20 years – from 1994 to 2013 - the average life expectancy in the country has increased by more than six years. But this is, firstly, statistics, and secondly, even if we believe it, in fact we have returned to the indicators of 1964.

09.04.2014
Biomedicine

Achievements of antitumor immunotherapy

Unlike chemo- and radiotherapy, immunotherapeutic agents stimulate the body's own immune mechanisms, enhancing its ability to fight tumors.

09.04.2014
Controversial

Obokata does not give up

Japanese female scientist Haruko Obokata, the creator of "acidic" stem cells, around which a scandal broke out due to suspicions of falsification of scientific data, does not agree with the conclusions about the falsification of experiments.

09.04.2014
New in Gerontology

Don't keep parrots in solitary confinement

Jacko's parrots have once again confirmed that social stress has a bad effect on the state of chromosomes. If these very sociable birds were kept singly, then the telomeric sections of their chromosomes shortened faster than expected.

08.04.2014
Your health

Do not confuse the pool with the toilet!

Diarrhea is not the only consequence of non–compliance with hygiene rules by bathers. When sweat and urine come into contact with reagents used to disinfect swimming pools, dangerous toxic substances are formed.

08.04.2014
Innovative Russia

Medicines under contract

After the adoption of the Pharma 2020 program, a number of foreign companies invested in the construction of their own factories in Russia, others began to look for local partners for production, and others began to conclude licensing agreements for the joint delivery of products to the market.

08.04.2014