Articles

Found results: 16335

Biomedicine

Blocking the enzyme will help with multiple sclerosis

Blocking the activity of the enzyme hyaluronidase stimulates the restoration of the myelin sheath of nerve fibers, which is destroyed in multiple sclerosis and other neurological diseases.

07.11.2012
Biomedicine

Different forms of cancer can be identified by a single biomarker

The method of early cancer diagnosis is based on the detection of the gammaH2AX protein produced in cells in response to DNA damage. It is believed that the appearance of this protein is one of the first steps on the cell's path to malignancy.

07.11.2012
Your health

Hypertension is the cause of early brain aging

Already at the age of 33, hypertension and prehypertensive conditions cause accelerated aging of the brain, manifested by a violation of the structural integrity of the white matter and a decrease in the volume of gray matter.

07.11.2012
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