Life Sciences

Found results: 11545

Genetics

Three stories from the world of medical genetics

A huge field of application of personal genomics is the study of the genetics of various medical and physiological features: from a tendency to baldness and obesity to a predisposition to serious diseases.

29.10.2015
Biomedicine

Complex therapy in oncology

Immunotherapy is becoming one of the promising areas of the fight against cancer. An even greater effect is achieved in synergy with other methods.

29.10.2015
Biomedicine

From arthritis, cancer and alopecia

Scientists from Columbia University accidentally found out that blocking the activity of a certain enzyme with drugs for cancer and arthritis causes hair follicles to quickly come out of a state of rest and start hair growth.

27.10.2015
Genetics

Nephew of his own dad

American geneticists reported a case of so-called "genetic chimerism": the child inherited the genes not of the father, but of his twin brother, who died in the womb.

27.10.2015
Genetic engineering

One tomato instead of 50 bottles of red wine

Geneticists from the UK have created genetically modified tomatoes whose pulp contains a large amount of resveratrol, a powerful antioxidant from red wine that can slow down aging and the development of Alzheimer's disease.

27.10.2015
New in Gerontology

-Omics and aging: from biomarkers to systems biology (1)

The review examines the latest achievements in the use of "-omic" for the identification of biomarkers of aging, analyzes the approaches of systems biology that ensure the integration of data of various types, and explains the need for further developments in this area

26.10.2015
Other life sciences

A robot powered by microbial fuel cells

The robot called Row-bot has a container with bacteria that generate electricity, due to which it can swim forever in dirty water, from where the bacteria get the nutrients they need.

26.10.2015
Genetic engineering

Genetic engineering, indistinguishable from a normal mutation

Scientists hope that the method they have developed will allow them to obtain plants with the right properties and at the same time circumvent the prohibitions that apply to genetically modified organisms in some countries.

26.10.2015
Prolonging youth

Healing with young blood: the discussion continues

A group of physiologists from Harvard University has once again confirmed the important role of GDF11 (growth differentiation factor) and GDF8 (myostatin) proteins for the rejuvenation of the body.

23.10.2015
Biomedicine

Antitumor drug against parkinsonism and dementia

The effect of the drug on cognitive and motor activity was the most impressive. One of the previously wheelchair-bound patients started walking again, and the other three, who had previously lost the ability to talk, were able to maintain a dialogue.

22.10.2015
Other life sciences

I want to become a bioinformatician. Where to start?

1. Read and think a lot! 2. Go to schools/conferences and talk (conferences should be good). 3. Develop thinking (see point 1) 4. Choose an interesting direction 5. Look for and come up with good puzzles.

22.10.2015
Genetic engineering

A shot in the brain instead of diet and physical education

A research group from the University of Oregon offers a new way to combat overeating. According to scientists, an alternative to diets can be injections into the brain of a gene whose product controls appetite.

22.10.2015
Other life sciences

Microbes communicate like neurons

Microbiologists have found that bacteria in biofilms can coordinate their actions by transmitting electrical potentials through ion channels, similar to nerve cells in the brain.

22.10.2015
Genetic engineering

Superdogs

Experts from China were the first in the world to remove one of the genes of experimental beagles, as a result of which dogs with the nicknames Hercules and Tiangou appeared twice as powerful musculature than their relatives. In addition, the animals have become more hardy.

21.10.2015
Genetics

Men pass on the stress response by inheritance

Under stress in male mice, special microRNAs enter the spermatozoa, which, during the formation of a zygote, block the work of individual maternal matrix RNAs and thus affect the formation of the fetal nervous system.

21.10.2015
Biomedicine

Transcriptome test systems for cancer diagnosis

A new method of selecting test systems for personalized diagnosis of oncological diseases is presented by Russian scientists in a recent issue of the journal Scientific Reports.

21.10.2015
Other life sciences

The success of biologists will save cells from death

If we understand what happens when cells are deprived of oxygen and nutrients, it will be possible to develop a treatment strategy that reduces the destructive effect of stroke.

21.10.2015
Other life sciences

Antibacterial dental implants

When bacteria get on the implant, the positive charge of quaternary ammonium salts destroys the negatively charged membrane of the bacteria and they die.

21.10.2015
Cellular technologies

Safe induced pluripotent stem cells

How to protect patients who need therapy with cells obtained from iPSCs, if treatment with their help turned out to be associated with the risk of getting cancer? This mini-review is dedicated to the latest developments and achievements in solving this problem.

20.10.2015