Life Sciences

Found results: 11545

New in Gerontology

The senile brain lacks chaperones

In the brain cells of both healthy and suffering from various (especially neurodegenerative) diseases of aging people, there is a decrease in the expression of genes of protective proteins – chaperones.

06.11.2014
Other life sciences

Medical laboratory in a home medicine cabinet

The wireless system with the help of miniature sensors will allow for comprehensive monitoring of the health status of patients at risk of developing cardiovascular diseases at home, including blood analysis.

06.11.2014
Other life sciences

Patch-biosensor

The unique patch is able to collect and transmit medical data in almost real time based on the analysis of the patient's sweat. In order to find out the results, you only need a smartphone.

05.11.2014
Genetics

The mysteries of the Y chromosome

Scientists have repeatedly predicted the imminent end of the Y chromosome, but it still holds – as befits a real male chromosome.

05.11.2014
Other life sciences

For athletes, resveratrol is useless and even harmful

Taking resveratrol alters the body's normal response to high-intensity physical activity. At the same time, resveratrol not only does not increase the effectiveness of training, but on the contrary, it neutralizes their effect on the body.

05.11.2014
Cellular technologies

Boiling histotripsy

Tissue treatment with high-intensity ultrasonic waves dilutes cells, leaving an almost intact extracellular matrix, theoretically suitable for use as a framework for growing tissues and organs.

05.11.2014
Biomedicine

Gene therapy of leukemia

It can already be said that the trials are extremely successful: 27 out of 30 patients had complete remission, 19 are still in remission, and 15 out of 19 patients did not need additional treatment for this.

05.11.2014
Other life sciences

Cardiac epigenomics

Scientists at the Albert Ludwig University of Freiburg have mapped the epigenome of cardiac muscle cells – cardiomyocytes.

31.10.2014
Cellular technologies

IPSK – in a couple of days, not in 2-4 weeks

The addition of two small molecules to the four classic "Yamanaka factors" makes it possible to obtain mouse induced pluripotent stem cells (iPSCs) in the fastest way known today.

30.10.2014
Cellular technologies

Another "organ in a test tube"

Scientists from the Medical Center of the Children's Hospital in Cincinnati for the first time managed to obtain miniature organoids from human pluripotent stem cells that perform all the functions of a real stomach.

30.10.2014
Other life sciences

The heart in a supercomputer

The mathematical model created by Japanese scientists takes into account the behavior of each molecule of the heart tissues, which at a higher level of processing allows you to see the entire dynamics of the heartbeat.

29.10.2014
Prolonging youth

SkQ1 protects the heart from senile diseases

Prolonged intake of antioxidants that selectively affect the mitochondria reduces the risk of cardiovascular diseases associated with age-related changes in the myocardium.

28.10.2014
Biomedicine

Colonoscopy with your own hands

The Cologuard kit for home use detects not only blood contained in feces, but also DNA associated with cancer cells, as well as precancerous neoplasms, without such an unpleasant procedure as a colonoscopy.

28.10.2014
Other life sciences

Transplantation of "dead" hearts

The transplantation of hearts that stopped beating to three patients was an epochal event: the new technique will significantly increase the number of organs suitable for transplantation, which will save at least 30% more lives.

28.10.2014
Other life sciences

A contagious tumor

A malignant tumor sends special membrane bubbles with molecular instructions to the healthy cells surrounding it, which turn a normal cell into a cancerous one.

27.10.2014