Life Sciences

Found results: 11545

Theories of aging

Scientists have corrected the defect underlying premature aging

Using an HTRA3 inhibitor – the "culprit" of a rare hereditary disease or an antioxidant neutralizing free radicals, the researchers managed to suppress the activity of the HTRA3 enzyme in the cells of patients with Coccain syndrome to a normal level.

22.05.2015
Cellular technologies

In some cases, size still matters

Implants with beta cells 1.5 millimeters in size are less likely to provoke the formation of scar tissue than implants with a diameter of about 0.5 mm, work 6 times longer and independently respond to changes in glucose levels.

22.05.2015
Other life sciences

GDF-11 out of trust

Another molecular "rejuvenating apple" is in no hurry to meet expectations – the same protein, tissue differentiation factor 11 (GDF-11), in different experiments can both promote muscle regeneration and suppress it.

22.05.2015
Other life sciences

A video about the work of killers

A unique video demonstrates the process of destroying tumor cells by specialized immune cells known as T-killers, or cytotoxic T-lymphocytes.

22.05.2015
Other life sciences

We divide the mitochondria fairly

During division, the stem cell transfers newer (i.e. "healthy") mitochondria to the daughter cell that will remain stem. The second cell, which will follow the path of specialization, will not be too active, and it gets older mitochondria.

21.05.2015
Other life sciences

Nerves for a cyborg

The GalvaniBionix team, consisting of students and postgraduates of MIPT, headed by Timur Bergaliev, set themselves the task of facilitating the process of mutual adaptation, making it as simple and fast as possible.

19.05.2015
Biomedicine

Bacteriophages suppress antibiotic resistance

To combat antibiotic-resistant microorganisms, scientists used bacteriophages that do not kill bacteria, but edit their genome, allowing them to then destroy bacterial cells with conventional drugs.

19.05.2015
Genetic engineering

New yeast Strain Synthesizes Opiate Precursor

American-Canadian biotechnologists have created a new type of transgenic yeast capable of converting sugar into raw materials for the manufacture of opiates, including morphine, as well as a number of medicines.

19.05.2015
Prolonging youth

Embryonic neurons can rejuvenate the brain

With the help of transplantation of embryonic neurons synthesizing gamma-aminobutyric acid, which are at a certain stage of development, it is possible to restore the ability of the aging brain to form new synapses.

19.05.2015
Genetic engineering

The graft-versus-host reaction can be prevented

A single administration of a harmless drug neutralizes the severe and often fatal side effect of hematopoietic stem cell transplantation from a semi–compatible donor - the "graft versus host" reaction.

18.05.2015
Cellular technologies

Optimal age for oocyte conservation

Considering that cryopreservation provides advantages when freezing eggs after 30 years, researchers consider the age of 31-33 years to be the best interval.

18.05.2015
Other life sciences

Prospects of medical diagnostics

The accumulation of technological innovations and data obtained recently leads to qualitative and quantitative changes that open up new horizons in this area.

15.05.2015
Cellular technologies

Hydrogel helps stem cells to take root in a new place

Encapsulation in hydrogel improves the results of stem cell transplantation into the eye and brain tissue, maintaining their viability and facilitating integration into the recipient tissue.

15.05.2015
Other life sciences

Cancer cells can be deprived of immortality

Blocking the activity of shelterin TRF1 destroys telomeres and ensures the cessation of tumor growth against the background of moderate side effects.

15.05.2015
Genetic engineering

Dinokurs

American biologists have created chicken embryos with dinosaur faces, suppressing the development of proteins with which beaks are formed in the embryos.

14.05.2015
Prolonging youth

Train your brain!

Ryuta Kawashima became widely known after the publication of the book “Train Your Brain: 60 Days to a Better Brain". More than two and a half million copies of the book have been sold, and the development of Nintendo has sold 19 million copies.

14.05.2015