Life Sciences

Found results: 11545

Other life sciences

"Petri dish" on paper

Canadian researchers have developed a "blotter lab" – a paper-based device that tests the resistance of bacteria to certain antibiotics.

05.11.2013
Nanotechnology

Gold nanoparticles and miRNAs against brain cancer

It was possible to deliver miRNAs to cancer cells that reduce the expression of the oncogene responsible for the growth and resistance of glioblastoma, an incurable brain tumor, using spherical nanoparticles with gold cores.

05.11.2013
Nanotechnology

A new generation of nanosensors

New sensors made of carbon nanotubes will allow for both short- and long-term monitoring of concentrations of various compounds in the body.

05.11.2013
Biomedicine

Fecal therapy: unappetizing, but effective

Under the pressure of doctors, the US Food and Drug Administration officially allowed doctors to transplant fecal microflora to patients with recurrent intestinal infection caused by clostridium.

05.11.2013
Biomedicine

Bacteriophages in medicine

All creatures living on earth have microscopic parasites – viruses. And bacteria have their own viruses – bacteriophages, translated from Greek – "bacteria eaters".

01.11.2013
Other life sciences

Is bacteria one of the causes of diabetes?

Staphylococcus aureus toxins and fragments of the shell of E. coli irritate adipose tissue cells, causing them to trigger sluggish inflammation, which can lead to type 2 diabetes.

01.11.2013
Biomedicine

Will monoclonal antibodies help in the treatment of AIDS?

Human broad-spectrum antibodies against HIV reduce the concentration of the virus in the blood to an indistinguishable level. This effect is observed by science for the first time – however, so far only in experiments on monkeys.

01.11.2013
Cellular technologies

Progenitor cells against multiple sclerosis

With the help of stem cells isolated from the skin of mice, scientists managed to reduce the severity of damage to the nervous system in a mouse model of multiple sclerosis.

31.10.2013
Biomedicine

Immunosuppressant against immunodeficiency

A type of congenital immunodeficiency caused by a rare mutation can be cured with rapamycin, an immunosuppressant, which 3 years ago became famous all over the world as a "pill for old age".

30.10.2013
Genetic engineering

Will gene therapy help sickle cell anemia patients?

A group of researchers from the Department of Pediatric Oncology at the Dana-Farber Institute (Boston, USA) has discovered a new potential target for the gene therapy of sickle cell anemia.

30.10.2013
Other life sciences

Taking anabolic steroids will be remembered for years

In the muscles of people who have taken anabolics for a short time, a cellular memory mechanism is formed, and even short-term exposure to anabolic steroids can affect the process of building muscle mass for years.

30.10.2013
Biomedicine

Antibody fragments help with Alzheimer's disease

Five days after a single intraperitoneal injection, the animals showed improved memory and learning ability as a result of a decrease in the number of toxic aggregates in brain tissue and an increase in the number of neurons.

30.10.2013
Cellular technologies

Gene therapy of skull injury

A genetic supplement developed by Russian scientists improves the restoration of skull defects.

29.10.2013
Bioethics

WHO against human trafficking

The shortage of healthy organs for transplantation leads to the phenomenon of "transplant tourism". The UN Special Rapporteur on Human Trafficking Joy Ngozi Ezeilo warned the General Assembly about this on Friday.

29.10.2013
Nanotechnology

Stealth nanoparticles with an anti-cancer warhead

MIT researchers have developed multilayer nanoparticles invisible to the immune system for precise drug delivery, attacking cells of non-chemotherapeutic breast cancer.

29.10.2013
Biomedicine

Will microRNAs save your vision?

A new approach to the treatment of ophthalmic diseases is based on the use of microRNAs that suppress the activity of the gene responsible for the process of pathological vascular growth.

28.10.2013