Life Sciences

Found results: 11545

Other life sciences

How Stress Causes Clogged Arteries

Prolonged stress triggers a cascade of reactions in the body that lead to excessive production of leukocytes, which accumulate in the arteries and lead to the formation of complicated atherosclerotic plaques prone to rupture and thrombus formation.

24.06.2014
Other life sciences

Limb regeneration

Constant activity of the molecular pathway ERK (extracellular signal-regulated kinase) is necessary for reprogramming of salamander cells and their "tuning" to regenerate various parts of the body.

24.06.2014
Biomedicine

Noninvasive graft rejection test

By analyzing extracellular DNA in the blood, it is possible to determine the rejection of a transplanted heart with greater efficiency and several weeks or even months earlier than using a biopsy.

24.06.2014
Other life sciences

Starvation hibernation stops the biological clock

Deprivation of food stops the development of nematodes, which resumes with the intake of nutrients. As a result, their life expectancy may double. It is possible that such mechanisms can use metastatic cancer cells.

24.06.2014
Other life sciences

How to get rid of old mitochondria

Some neurons transfer the function of recycling old or damaged mitochondria to glial cells known as astrocytes.

24.06.2014
Biomedicine

You will walk, and not under yourself

The discoveries made by scientists and new technologies in the field of medical equipment in the last 15-20 years allow doctors not only to cure patients and significantly prolong their lives, but also to make this life better.

23.06.2014
Nanotechnology

Gold nanoliposuction

The procedure of "nanoliposuction" will begin with the injection of gold nanoparticles into fat deposits. Under the influence of near-infrared radiation, they will melt fat before heating begins to destroy neighboring cells.

23.06.2014
Cellular technologies

Matrix for a bone made of beer cake

Processing of the cake left after brewing makes it possible to obtain a highly porous, flexible and durable material that can be used as scaffolding to accommodate bone stem cells.

20.06.2014
New in Gerontology

Metabolomics: epigenetic markers of aging

The search for molecular markers that allow you to tell how old you and your cells are without looking at the passport can be interesting from many points of view: from the diagnosis of diseases to the search for criminals and the study of the aging process itself.

19.06.2014
Genetics

A purely Greenlandic cause of diabetes

There is no such mutation in the genome of Europeans, but it occurs in 23% of Greenlanders. 60% of individuals over the age of 40 who inherited a certain variant of the TBC1D4 gene from both parents suffer from type 2 diabetes mellitus.

19.06.2014
Genetics

Genes, enzymes and metabolism

Scientists at the Vale Medical College in Qatar have compiled a map of the metabolism of the human body, revealing the work of metabolism as a system and possible ways to change it for the treatment of diseases.

19.06.2014
Biomedicine

Omega-3 against macular degeneration

Polyunsaturated omega-3 fatty acids and their metabolic products inhibit the formation of new vessels in the eye membrane characteristic of macular degeneration, as well as the release of fluid from the vessels into the surrounding tissues.

18.06.2014
Genetics

Genetic ensembles in oncology

Biologist Anton Buzdin – about cancer cells, genome rearrangement in oncological diseases, personalized medicine and the use of targeted drugs in the treatment of cancer.

18.06.2014
Prolonging youth

Oxytocin rejuvenates muscles

Oxytocin, a hormone responsible for maternal instinct, social attachment, uterine contractions during childbirth and sexual arousal, is necessary to maintain healthy and youthful muscle tissue.

17.06.2014
Other life sciences

Gentlemen Hussars…

A suit with motion sensors sewn into the fabric will help relieve professional riders from lower back pain. The innovative suit will find application in any sections of sports medicine, as well as in orthopedics and rehabilitation.

17.06.2014
Other life sciences

Bionic pancreas has passed field tests

The latest version of the bionic pancreas has successfully passed two five–day clinical trials, one of which involved adult patients, and the other - adolescents with type 1 diabetes.

16.06.2014
Other life sciences

Physics transforms medicine

Modern medical technologies are unthinkable without the use of the latest achievements of fundamental science. This was discussed during the VI Trinity Conference "Medical Physics and innovations in Medicine".

16.06.2014