Articles

Found results: 16339

Prolonging youth

Plant extracts will keep you young

Extracts of six plants, the most effective of which is willow bark extract, extend the lifespan of yeast by 5-6 times – a convenient model for preliminary study of potential geroprotectors.

16.03.2016
Biomedicine

Patch with beta cells

Experiments on a mouse model of type 1 diabetes mellitus demonstrated the ability of the new patch to respond quickly to an increase in glucose levels and maintain its normal value for up to 10 hours.

16.03.2016
Nanotechnology

Assembling computer chips using DNA

Although DNA itself is a poor conductor, it can serve as a framework for placing conductive elements from another material.

15.03.2016
Genetic engineering

RNA insecticides

The new method of pest control is based on RNA interference. Symbiont bacteria from the intestines of insects transmit RNA chains to them, which turn off the production of certain proteins in their body.

14.03.2016
Other life sciences

A telepath in a wheelchair

Researchers from Duke University have created another brain-computer interface that allows a monkey to control the movement of a wheelchair with the help of thoughts.

14.03.2016
Healthy skepticism

Nanoresults of five-year works

Rusnano celebrated the fifth anniversary of empty promises and painful mistakes. But this does not mean that the company will be closed in the near future, and those responsible for its inefficiency will be punished.

14.03.2016
Other life sciences

Prosthesis with touch

Electrical impulses from the sensor in the bionic finger are transmitted to the microneedle connected to the median nerve, and then to the brain.

14.03.2016
Prolonging youth

Study and stairs rejuvenate the brain

Learning and walking up stairs prevents the age-related decrease in the gray matter of the brain, thus slowing down its aging.

11.03.2016
Genetics

The case of basal cell carcinoma

Several of the 387 genes on the "suspect list" may contribute to the emergence of the most common type of skin cancer and the development of tumor resistance to treatment.

11.03.2016
Other life sciences

Don't lose the brake light!

The loss of stop codons on mRNA leads to the formation of long lysine chains at the end of synthesized proteins. When the protein quality control mechanism is violated, defective proteins accumulate and form toxic aggregates.

11.03.2016
New in Gerontology

Is the cause of Alzheimer's disease an infection?

The authors of an editorial in the Journal of Alzheimer's Disease claim that bacterial and viral infections trigger the formation of amyloid plaques, and it is necessary to fight them.

11.03.2016
Genetics

A thousand-dollar genome is on the way

The American startup Veritas Genetics, which is scheduled to launch in April, promises to decode your DNA for just $999. The customer will be able to view the results of the study on his phone.

11.03.2016
Other life sciences

A new type of CRISPR systems

An interesting discovery for both fundamental and applied science: some of the bacterial CRISPR systems are able to remember information not only from DNA, but also from the RNA of viruses.

10.03.2016
Other life sciences

Inverted viruses

For a long time it was believed that endogenous retroviruses do not perform any functions. But a new study shows that our body has turned some of them into weapons against modern viruses.

10.03.2016
Genetics

Mutations protect against heart attack

Certain genetic variants of the ANGPTL4 gene reduce the risk of myocardial infarction by 50% by reducing the level of triglycerides in the blood.

10.03.2016
Cellular technologies

Cataract Cell Therapy

A gentle procedure for removing the clouded lens in children with congenital cataracts provides the possibility of forming a new lens due to the regenerative potential of endogenous stem cells.

10.03.2016
New in Gerontology

The role of mitochondria in cell aging

An international group of scientists has managed to decipher the mechanism by which mitochondria contribute to cell aging. One of the main factors of senescence is the process of formation of new mitochondria.

10.03.2016
Genetics

How important genes turned out to be unimportant

Pakistanis living in a closed community in the UK often lack genes, the absence of which is associated with serious diseases. Surprisingly, this did not affect the health of the examined.

10.03.2016
Biomedicine

Gel against limb ischemia

Researchers at the University of California at San Diego have proposed a promising method of treating critical limb ischemia, a condition requiring vascular transplantation and even amputation of affected areas.

10.03.2016