Life Sciences

Found results: 11545

Genetics

Gene expression on an oscilloscope

Researchers from the University of Wisconsin have developed a statistical approach to identify populations of oscillating (antiphase) genes and build a picture of their long-term dynamics.

28.08.2015
Cellular technologies

Happiness in a test tube

Bioengineers for the first time managed to turn human fibroblasts into neurons that produce serotonin, one of the most important neurotransmitters that plays an important role in mood regulation.

27.08.2015
Prolonging youth

Slowing down Aging: Are we ready? (2)

The second part of the article describes the effect on the aging process of dietary methods that reproduce the effects of a low-calorie diet.

27.08.2015
Cellular technologies

Laser for differentiation of embryonic stem cells

American molecular biologists have learned to control the development of stem cells using pulses of light, forcing them to turn into neurons or other types of "adult" cells at the right time.

26.08.2015
Bioethics

The racer saved six lives

British Formula 1 racer Justin Wilson, who died at the age of 37 after the accident, bequeathed to use his organs for donor purposes.

26.08.2015
Prolonging youth

Slowing down Aging: Are we ready? (1)

Seminar "Interventions aimed at slowing human aging: are we ready?" It took place on October 8-13, 2013 in Eritz, France.

24.08.2015
Genetic engineering

"The obesity gene": correcting mistakes

Using modern DNA editing techniques, the researchers changed the activity of the version of the FTO gene associated with obesity in adipocyte progenitor cells and directed their development into brown fat cells.

20.08.2015
Cellular technologies

The brain from a test tube

The organoid grown by scientists from the Ohio State University corresponds to the characteristics of the brain of a five-week-old embryo. It presents all the main departments, except the circulatory system.

19.08.2015
Other life sciences

Ribo-T is a synthetic ribosome with a single RNA chain

Hybrid ribosomes, which include a single molecule instead of two long rRNA chains, can support the synthesis of all the proteins necessary for a bacterial cell, although slower than conventional ribosomes.

18.08.2015
Prolonging youth

Moderate radiation prolongs life

Russian scientists have found out that weak doses of gamma radiation prolong the life of fruit flies, especially females. The study is aimed at identifying genes that contribute to prolonging life.

17.08.2015
Genetics

Supermys are the result of single-nucleotide polymorphism

Mice with the replacement of one nucleotide in the PDE4B gene on both chromosomes stopped preferring dark, closed spaces and boldly went out and explored brightly lit and open areas, showed no fear when they smelled cat urine and were prone to risk.

17.08.2015
Genetics

Show your genes

Over the past decade, the Icelandic company Decode has managed to conduct the most detailed genetic study of the population living in a single country.

17.08.2015
Genetics

The silence of the X chromosomes

Disabling an extra chromosome in female cells depends on a complex molecular mechanism in which regulatory RNAs and the genes of the X chromosome itself work harmoniously.

13.08.2015
Genetics

How are inflammation and cancer related

"Chemical weapons", which the immune system uses to destroy infection and harmful molecules, at the same time causes carcinogenic mutations in DNA.

12.08.2015
Other life sciences

Xenotransplantologists ' record

An international group of researchers from China and America has set a record in the field of xenotransplantology: a pig kidney transplanted to a baboon worked for 136 days.

12.08.2015
Genetics

Genes with humor

According to the established practice, the name of the gene can be given any, except obscene, but a good tone requires that it reflects its function as much as possible. Which leads to the appearance, for example, of such genes as...

11.08.2015
Cellular technologies

Why do we need organoids?

In the popular science section of the journal Nature, a review article was recently published on the topic of so-called organoids – primitive miniature analogues of real organs grown in the laboratory in test tubes.

11.08.2015