Life Sciences

Found results: 11545

Cellular technologies

Active and passive stem cells

A new model for regulating the activity of adult stem cells, assuming the coexistence of two subpopulations of such cells: active and dormant, may hold the key to understanding the drug resistance of cancer.

04.02.2010
New in Gerontology

Senile insomnia? No, you're all right!

The process of normal aging is accompanied by a decrease in the duration and depth of sleep necessary to ensure daytime wakefulness. At the same time, healthy old people feel less sleepy during the day than young people.

03.02.2010
New in Gerontology

Rejuvenate with growth hormone? Thank you, no need!

A study of a unique population of Brazilian dwarfs has shown that growth hormone deficiency does not affect life expectancy. Unfortunately, these data are unlikely to reduce the number of offers to rejuvenate with injections of somatotropic hormone.

02.02.2010
Biomedicine

Citizens are alcoholics! Block the stress hormone!

Alcoholic rats voluntarily switched from heavy drinking to moderate drinking after a course of treatment with one of the corticoliberin blockers. Perhaps the suppression of this stress hormone will become one of the methods of treating alcoholism.

02.02.2010
Other life sciences

Neurons on a chip to test neurotoxicity

A new biochip for performing a test for the formation of a neural network provides the location of nerve cells in a strictly defined order, which will allow faster and more accurate testing of the neurotoxicity of various compounds.

01.02.2010
Prolonging youth

Rejuvenate the aging immune system?

It is possible that the periodic administration of a macrophage colony-stimulating factor to elderly people will ensure the maintenance of a population of tissue macrophages and increase the efficiency of the aging immune system.

01.02.2010
Genetic engineering

Biodiesel from sawdust

A new strain of E. coli produces high-quality diesel fuel and other valuable chemical compounds from untreated plant biomass.

01.02.2010
Prolonging youth

Young blood returns youth to the elderly

The blood of young mice contributes to the rejuvenation of the hematopoietic system of old animals. The mechanism of this phenomenon, as well as its impact on health and life expectancy are still unknown.

29.01.2010
Biomedicine

Prostate cancer vaccine: Live a little longer

A vaccine has been developed that prolongs the life of prostate cancer patients by an average of eight months. Unfortunately, there is no talk about the destruction of neoplasms, but such a result is a significant step forward.

27.01.2010
Biomedicine

microRNAs: new technologies, new drugs

microRNA-based technologies are capable of revolutionizing everything related to the development of medicines: from the identification of new targets to the creation of new ways of therapeutic effects.

27.01.2010
Nanotechnology

Are perturbations waiting for the state Corporation?

The status and scope of work of the state corporation need to be reviewed. One of the options is the liquidation of Rusnano and the creation on its basis of a new state corporation Rosinnovation with broader powers.

26.01.2010
Other life sciences

Molecular colonies

The use of molecular colonies makes it possible to detect 1 molecule of marker DNA or 2 molecules of marker RNA in a clinical sample with 100% specificity.

26.01.2010
Biomedicine

Potential mechanism of tumor growth suppression

Three potential targets for the development of new anti–cancer drugs are factors that stimulate the division of malignant cells and tumor growth by increasing the level of the enzyme pyruvate kinase M2 in cancer cells.

26.01.2010
Other life sciences

Healthy prions protect the membranes of nerve fibers

When the myelin sheaths of nerve fibers wear out, an enzyme system is triggered that destroys the prion protein. Its fragments enter the Schwann cells, giving them a signal to start restoring myelin.

26.01.2010
Cellular technologies

Neurons from stem cells take root in the brain

As the transplanted neurons matured, their axons integrated into strictly defined areas of the brain, avoiding, no less importantly, inappropriate areas.

25.01.2010
Nanotechnology

Nanodrugs and nanoclaps

It is assumed that the moderate price of nanocarriages will make them accessible to the widest segments of the population. Another project is the launch of mass production of innovative tricuspid heart valves.

25.01.2010
Cellular technologies

Custom-made heart cells

We will produce cardiomyocytes in any quantity from the customer's blood cells for the development of medicines and not only.

25.01.2010
Biomedicine

Proper protein folding will protect neurons

A substance that activates the regulator of the synthesis of chaperone proteins that promote proper folding (folding of amino acid chains), prevents the degeneration of neurons.

25.01.2010
Genetic engineering

Bacterial Clock – improved version

A living clockwork is a colony of genetically modified bacteria that, thanks to the simplest genetic scheme, emit rhythmic synchronized pulses of fluorescent radiation.

22.01.2010