Life Sciences

Found results: 11545

Theories of aging

Anti-oncogenes, aging and anti-aging: the more we know…

Anti-oncogene p16 is an effector of physiological aging of cells and aging of the whole organism; protein p19, which is also an anti-oncogene, suppresses these processes. The lack of the BubR1 protein induces an increase in the expression of both of these regulators of aging and, most likely, some other, as yet unknown...

11.06.2008
Biomedicine

Prick and not drink

Injection of glial neurotrophic factor into a certain area of the brain relieved alcoholic rats from the desire to drink.

11.06.2008
Other life sciences

Ex-Minister of Health of Ukraine: vaccination must be continued!

Why are the media trumpeting a dangerous vaccine in one pipe? Don't be offended – this is provocative journalism. About 120 thousand vaccinations have been successfully made in the country. And there is a tragic case in Kramatorsk, which the whole of Ukraine now knows about. He knows in the interpretation: "Vaccination killed the student."

10.06.2008
Other life sciences

Artificial protocells synthesize DNA without the help of enzymes

The protocell cannot independently carry out matrix synthesis (replication) of DNA from beginning to end, but successfully copes with the most important stages of this process, and all reactions go without the participation of any enzymes.

10.06.2008
Prolonging youth

Having children live longer

Having children, without a doubt, prolongs life. But, despite the statistically obvious data, the authors are cautious in their conclusions. There may also be an inverse relationship: perhaps people who are initially less healthy are less likely to have children. Which connection is stronger cannot be determined solely on the basis of statistical data.

06.06.2008
Other life sciences

Credulity is in the hormone of happiness

Although if we interpret the results quite pedantically, it is better to say not "serotonin increases trust", but "the lack of the "hormone of happiness" is associated with distrust."

06.06.2008
Other life sciences

Just one gene – and a whole bunch of diseases

The uniqueness of the XPD protein, which is necessary to repair DNA damage, lies in the fact that mutations in different parts of its gene underlie three diseases.

05.06.2008
Prolonging youth

A simple and pleasant way to prolong youth

The inclusion of a glass of wine or a supplement containing resveratrol in the diet after middle age is as effective for preventing the effects of aging as a calorie and fat-restricted diet.

05.06.2008
Nanotechnology

Digest "Nanotechnology in the world"

The May issue of the digest contains excerpts from the most relevant media publications on the subject of nanotechnology, quotes from speeches by leading politicians and industry leaders.

05.06.2008
Nanotechnology

Nanotechnology + macro money = ?

The Dynasty Foundation and the Informnauka Agency, with the expert support of the journal Russian Nanotechnologies, held a meeting of the scientific cafe "Nanotechnologies + Macro-money = ?".

05.06.2008
Nanotechnology

Amyloids as a nanomaterial

Amyloids are not only substances associated with Alzheimer's disease and other pathologies. They can also be used as nanomaterials.

04.06.2008
Prolonging youth

You can rejuvenate the skin – you just need to know how

Dermatologists at the University of Michigan explain the mechanisms that ensure the effectiveness of methods to prevent skin aging. They hope that the results obtained will help people navigate the numerous offers of the multibillion-dollar rejuvenation industry.

29.05.2008
Genetic engineering

The monkey model of Huntington's Chorea

The significance of this work goes far beyond modeling Huntington's disease. This is generally the first example in the history of science of the creation of transgenic primates carrying a pathological version of the human gene.

27.05.2008
Biomedicine

Pills for the mind

By creating drugs that help patients, scientists at the same time offer means to smarten up healthy people. These drugs are commonly called "cognition enhancers" – means that stimulate cognitive abilities.

26.05.2008
Genetic engineering

Mutant mice don't become drug addicts

Mutant mice already familiar with the effects of the drug showed less persistence in trying to get a new dose than ordinary mice in the same situation.

26.05.2008