Articles

Found results: 16335

Cellular technologies

Bone made of hydrogel

Enriched with stem cells and growth factors, the hydrogel can fill the most complex defects of bone tissue. After regeneration of the damage, the hydrogel can be returned to a liquid state and removed from the body.

19.12.2013
Various

Scientists who changed the world in the past year

Of the ten scientists whose research and actions played a crucial role in the development of world science in 2013 (according to the journal Nature), exactly half are engaged in life sciences.

19.12.2013
Genetics

Intimate life of the neighbors in the cave

The "Denisovans", Neanderthals, Cro-Magnons and the yet unidentified fourth human species not only alternately lived in the same cave for more than ten thousand years, but sometimes interbred with each other.

19.12.2013
New in Gerontology

Changing the concept of population aging

Researchers have revised the approach used to study aging at the population level and developed a new set of methods, the use of which gives a more complete picture of the impact of population aging on society.

19.12.2013
Cellular technologies

Bioprinting: another achievement

Ganglion and glial cells, which make up one of the retinal layers, were able to pass through a bioprinter so that they remained alive.

18.12.2013
Cellular technologies

The Year of Stem Cells

This year, the number of amazing scientific papers devoted to stem cells in one way or another is breaking all records.

18.12.2013
Genetics

The fattest gene

The study of the genome of family members suffering from pathological obesity has shown that the cause of its development may be the loss of functionality of a single gene.

18.12.2013
Cellular technologies

Mini-kidneys "in vitro"

Scientists from the University of Queensland have grown a mini-kidney. This breakthrough opens the way to improving the effectiveness of the treatment of patients with kidney diseases and foreshadows a good future for such an area as medical bioengineering.

18.12.2013
Other life sciences

How dogs protect children from asthma and colds

The presence of a dog in the house in a special way changes the composition of the intestinal microflora of the child, reducing the severity of the immune response to allergens and increasing resistance to respiratory viral infections.

18.12.2013
Genetics

Liver cancer and diabetes in one defect

Scientists from the University of Michigan have discovered a genetic defect that can provoke the development of the most common type of liver cancer – hepatocellular carcinoma, as well as type 2 diabetes in men.

17.12.2013
New in Gerontology

Alzheimer's disease is complicated by poor pericyte function

A poorly functioning blood–brain barrier, in which pericytes play a leading role - special cells surrounding the capillaries of the brain, detains pathogenic proteins in the nervous tissue, which allows the disease to unfold in full force.

17.12.2013
Other life sciences

Coffee and cigarettes protect the liver

Coffee and cigarettes can protect against the development of a rare liver disease – primary sclerosing cholangitis, which is one of the main causes of liver transplantation.

17.12.2013
Theories of aging

Record increase in life expectancy

The combination of mutations affecting two signaling mechanisms that ensure longevity increases the life expectancy of nematodes by 5 times, which in terms of human age corresponds to about 400-500 years.

17.12.2013
Your health

Anastrozole for breast cancer prevention

Large-scale clinical trials of the drug "Anastrozole" have shown that a five-year preventive course of the drug reduces the chances of developing breast cancer in postmenopausal women from the high-risk group by more than half.

17.12.2013
Nanotechnology

Biocompatible implants: made in Tomsk

TPU scientists are developing technologies for obtaining materials and products for "gentle" regenerative medicine. Biocompatible coatings for implants discovered by polytechnics are not rejected by the body, which accelerates regeneration.

16.12.2013
Cellular technologies

How to Fix a broken heart

Blocking TGF-beta– a protein that controls cell proliferation and differentiation, initiates the development of stem cells into cardiomyocytes. A potential TGF-beta blocker is already being tested on animals with a model of myocardial infarction.

16.12.2013
Various

For breakthroughs in the sciences!

On December 12, the winners of the scientific prize for "Breakthrough in Fundamental Physics and in the Life Sciences" were awarded in Silicon Valley.

16.12.2013
Grants and competitions

Nanolympics 2013-14

The All–Russian Intellectual Forum - The VIII All-Russian Internet Olympiad on Nanotechnology continues the traditions of the Internet Olympiad held since 2006.

13.12.2013