Life Sciences

Found results: 11545

Cloning

Don't wait for cloned mammoths

"If someone does this, I'll eat my hat. And I wonder why they did it," says Webb Miller, one of the participants in sequencing the genome of the woolly mammoth.

12.12.2011
Cellular technologies

Especially pure stem cells – every day!

Following the report on embryonic stem cells grown without animal products, another group of researchers reported on neurons derived from human fibroblasts reprogrammed into a pluripotent state.

09.12.2011
Other life sciences

A tablet for rejuvenation of neurons

Drugs that activate the synthesis of the neurotrophic factor of the brain or the receptors that bind to it restore the age–related decrease in synaptic plasticity - one of the important components of learning and memorization mechanisms.

09.12.2011
Cellular technologies

Embryonic cells of the highest grade

High-quality human embryonic cells, potentially suitable for clinical use, were obtained for the first time without the use of animal products.

09.12.2011
Genetics

Ethnic genomics and personalized medicine

Report of the deputy . Director of the Research Institute of Medical Genetics SB RAMS, Head of the Laboratory of Evolutionary Genetics, Doctor of Biological Sciences, Professor V.A. Stepanov.

08.12.2011
New in Gerontology

Why do eggs age so quickly?

All the efforts of eggs are spent on protecting DNA, and due to the fact that they do not particularly monitor their own condition, oocytes age much faster than somatic cells.

08.12.2011
Other life sciences

The lowest–quality sperm is from the diggers

Only one sexually active male is responsible for breeding a colony of naked diggers. The lack of competition has made the diggers' sperm exceptionally sluggish and of low quality.

08.12.2011
Biomedicine

Brain tumor will be cured by viruses

The world's first clinical trials of a new method of treating a brain tumor – glioblastoma – using parvoviruses have begun at the German Cancer Center in Heidelberg.

07.12.2011
Biomedicine

Double blow to cancer: 2-deoxyglucose + Navitoclax

2-deoxyglucose deprives cancer cells of a protein that disables the mechanism of cellular suicide. These cells can be finished off with the help of the drug Navitoclax, which suppresses the activity of two intracellular inhibitors of apoptosis.

06.12.2011
Other life sciences

Three-dimensional bone printing

Three-dimensional printing technology opens up huge opportunities for doctors to treat the most complex fractures and other bone injuries.

05.12.2011
Cellular technologies

Muscles can be restored

The researchers managed to regenerate functioning muscle tissue in the body of living mice using fibrin microfibers coated with reprogrammed human cells.

02.12.2011
Biomedicine

A gift for AIDS Day

The DNA of antibodies effective against most forms of HIV is sewn into the DNA of muscle cells, and muscle cells begin to synthesize these antibodies, ignoring mutations that change the appearance of the virus.

01.12.2011
Biomedicine

Goodbye, caries?

A combined vaccine against caries, consisting of DNA and protein from two different bacteria, has performed well in preclinical trials.

30.11.2011
Nanotechnology

Express cancer diagnosis: lure telomerase for gold

Gold nanoparticles coated with synthetic telomeres make it possible to detect single cancer cells, moreover, tens of times faster than existing methods for determining telomerase activity.

28.11.2011
Other life sciences

Switch for telomerase

The main molecular switch providing telomere protection by the enzyme telomerase has been found.

28.11.2011