Life Sciences

Found results: 11545

Other life sciences

"Passport of the skin"

Russian scientists have developed a system that allows detecting malignant tumors by screening and measuring the clinical parameters of skin neoplasms with sufficiently high accuracy.

04.03.2016
Genetics

The first "graying gene" has been discovered

As a result of genome-wide DNA analysis of a large population of Latin Americans, the first gene responsible for graying was identified, and a number of previously unknown associations of certain gene alleles with the appearance of hair and eyebrows were found.

04.03.2016
Other life sciences

Aging begins before birth

The aging clock starts ticking even before we are born, but its course can be slowed down by providing the developing embryo with sufficient oxygen supply.

04.03.2016
Other life sciences

Microbes are collectivists

Biologists from Duke University have developed a strain of E. coli that can exist under certain conditions only in the form of a dense colony – any bacterium that splits off from the rest almost immediately dies.

04.03.2016
Other life sciences

Virus to virus wolf

Giant viruses have their own parasites, virophages, which themselves contain parasitic genetic elements called transpovirons, bringing the nesting of parasitism to three levels.

03.03.2016
Genetics

Three-dimensional genome

A recent work by Russian researchers highlights the nuances of three-dimensional packing of chromosomes in the somatic and germ cells, emphasizing the conservativeness of this feature of the genome.

03.03.2016
Biomedicine

Virus-like drug stops bacteria

You can get rid of antibiotic–resistant bacteria with a friendly virus - or with a drug that mimics this virus.

02.03.2016
Other life sciences

Bioinformatics in questions and answers

In this article, the author collected questions about bioinformatics, which he himself asked three years ago, when he was still a student of the Faculty of Mathematics, and tried to answer them.

02.03.2016
Biomedicine

Breakthrough in the treatment of blood cancer

Of the 29 hopeless patients who received experimental immunotherapy, 27 began stable remission. And after the second course, there were no traces of cancer left in the bone marrow of some patients.

01.03.2016
Genetics

Musical genes

Predisposition to such musical activity as composing and arranging music is associated with certain genes that determine the formation of synaptic connections in the human brain.

01.03.2016
Cellular technologies

Stem cells against heart failure

The administration of the cardiac stem cell preparation restored the normal functioning of the heart of rats with simulated congestive heart failure with preserved ejection fraction.

01.03.2016
Cellular technologies

Stem Cell Grandchildren

Chinese researchers have managed to obtain sperm cells from embryonic stem cells suitable for in vitro fertilization.

29.02.2016
New in Gerontology

Sleep and Aging II

Sleep disorders are almost always manifestations of some painful processes in the body. At the same time, a number of diseases that are often observed with sleep problems are also detected in the elderly.

29.02.2016
New in Gerontology

Sleep and Aging I

Although aging of the body is not a periodic process, its course directly depends on the biorhythms of a person, in particular, on the sleep and wakefulness cycle.

29.02.2016
Other life sciences

Why do nerve cells die

If clusters of pathologically folded proteins in the nuclei of neurons practically do not affect their functions, then protein aggregates located in the cytoplasm disrupt important transport routes between the cytoplasm and the nucleus.

29.02.2016