Life Sciences

Found results: 11545

Other life sciences

A circle of suspects the size of a biochip

When analyzing DNA using a new biochip, the probability of a random match of genotypes is 0.4%. This probability is too high to prove involvement in a crime, but it allows you to narrow down the circle of suspects.

27.08.2010
Other life sciences

Biosynthetic cornea

Griffith's group tried to find a replacement for donor tissues and synthetic corneas by resorting to the use of biosynthetic tissues derived from human collagen synthesized by genetically modified microorganisms.

27.08.2010
Biomedicine

Antidepressants based on ketamine?

Finding out the molecular mechanism by which ketamine quickly and effectively eliminates the symptoms of depression opens the way for the creation of antidepressants similar to ketamine in action, but more convenient and safe.

25.08.2010
Genetics

Oncogenes and anti-oncogenes: who's who?

The development of malignant tumors in the body is opposed by the anti-cancer protection system. Its main participant, the anti-oncogene p53, has been known for a long time, but until now scientists did not understand what makes it activate.

25.08.2010
Bioethics

Embryonic stem cells were again blocked from oxygen

The Alliance Defense Fund, a public organization dedicated to protecting the interests of adherents of various Christian denominations, filed a lawsuit to cancel state funding for embryonic stem cell research.

24.08.2010
Other life sciences

Pure BRCA2

Three research groups managed to isolate the BRCA2 protein in its pure form, corresponding to a gene in which mutations are associated with the development of breast and ovarian cancer.

24.08.2010
Biomedicine

Resveratrol and sirtuins: to be continued

The discussion continues about the ability of resveratrol and its analogues to activate the work of sirtuins "in vitro" and in a living organism.

24.08.2010
Biomedicine

Genentech's Success Story

Since its birth, Genentech has not conceded leadership in biotechnology. For twelve years in a row, including in 2010, Fortune has named Genentech one of the best companies worth working for, and last year Science named it the best employer in biotech.

23.08.2010
Genetics

"Mitochondrial Eve" has aged one and a half times?

According to new data, taking into account the latest achievements in the field of population genetics, "mitochondrial Eve" lived about 200 thousand years ago. Previously, the age of the hypothetical mother of mankind was estimated at 140 thousand years.

23.08.2010
Other life sciences

Bioinformatics of regulation and structure of genomes in Siberian

At the International Conference on Bioinformatics of Genome Regulation and Structure in Novosibirsk, issues of bioengineering of macromolecules, integration of in siliko and in vitro technologies in drug development, problems of systems biology and gerontology, etc. were discussed.

23.07.2010
Cellular technologies

Vindictive induced pluripotent stem cells

Induced pluripotent stem cells obtained from different tissues retain the "memory" of the original specialization and differ from each other and from embryonic stem cells in terms of gene expression.

20.07.2010
Prolonging youth

Aminopropylcarbazole – a cure for senile senility?

In old rats who underwent a course of taking aminopropyl carbazole, there was a significant increase in the number of neurons in the hippocampus, their memory and learning ability became better than in animals from the control group.

19.07.2010
Bioethics

Quality of life and quality of death

By analogy with the well-established term "quality of life", a group of scientists conducted a study of the "quality of death". Russia, unfortunately, ranks 35th in the list of 40 countries with the most favorable conditions for the elderly and dying.

16.07.2010
Biomedicine

A complete and final victory over the flu?

A new vaccination strategy to ensure lifelong immunity from all strains of the influenza virus is already undergoing the first stage of clinical trials.

16.07.2010
Genetic engineering

Microbiological retina

To restore the vision of mice with hereditary retinal disease, in which the synthesis of rhodopsin is disrupted, scientists used the genes of microorganisms responsible for the production of another photosensitive protein – halorodopsin.

16.07.2010
Genetic engineering

The blind begin to walk without sticks. And without cones

With the help of genetic engineering, it was possible to prove that it is possible to see without cones and rods: their role, although not very well, is capable of performing retinal ganglion cells.

16.07.2010