Articles

Found results: 16309

Cellular technologies

An inexhaustible source of myelin-producing cells

"In vitro" progenitor cells of neuroglia quickly stop dividing, and there are too few myelinating oligodendrocytes suitable for cell therapy. Scientists have managed to overcome this barrier.

06.11.2012
New in Gerontology

Less vitamin D – longer life?

Hereditary longevity is associated with low levels of vitamin D in the body. In addition, the descendants of centenarians were less likely to have a variation in the CYP2R1 gene associated with a predisposition to the accumulation of vitamin D.

06.11.2012
Biomedicine

Anti-amphetamine vaccine tested on mice

The vaccine against amphetamine will deprive whole armies of ordinary hardworking drug dealers around the world of a piece of bread.

02.11.2012
Genetics

1000 Genomes project: five-year plan exceeded

At the end of the second phase of the 1000 Genomes project, an international group of researchers published the results of the analysis of the complete sequencing of the genomes of 1,092 representatives of 14 different populations.

02.11.2012
Other life sciences

What prevents embryonic stem cells from differentiating?

Scientists from the Carnegie Institute have uncovered a mechanism integrating signaling pathways involved in the process of self–renewal of embryonic stem cells, and found a key link in this process - the Utf1 protein.

02.11.2012
Other life sciences

Cancer stem cells: new data

Three independent groups of researchers for the first time traced the fate of individual tumor cells in the organisms of laboratory mice and received new evidence of the existence of cancer stem cells.

01.11.2012
Cellular technologies

Cartilage from the skin

A team of scientists at Duke University Medical Center has grown cartilage tissue from induced pluripotent mouse stem cells. The obtained chondrocytes are suitable both for the elimination of cartilage defects and for the study of osteoarthritis.

01.11.2012
Bioethics

Transplantologists sew another case

Taking into account the fact that the deceased is a citizen of Ukraine, where the presumption of consent to transplantation does not apply, his relatives can file a civil lawsuit with doctors.

01.11.2012
Your health

The benefits and harms of mammography

Analysis of the results of 11 randomized clinical trials has shown that routine mammography reduces the risk of death from breast cancer, but at the same time is the cause of overdiagnosis.

01.11.2012
Genetic engineering

The first swallow of gene therapy

For the first time in the EU, it is allowed to use the drug alipogene tiparvovec for gene therapy of a rare hereditary pathology – lipoprotein lipase deficiency (type I hyperlipoproteinemia).

31.10.2012
Theories of aging

Cancer and aging: a mini-review

Old cells, on the one hand, act as tumor suppressors, and on the other hand, the specific metabolism of old cells can cause the malignancy of neighboring precancerous cells.

30.10.2012