Life Sciences

Found results: 11545

Genetic engineering

Gene therapy will protect against heart attack

Gene therapy, which modifies the Pcsk9 gene expressed by liver cells, irreversibly reduces the level of cholesterol in the blood and protects against heart attack.

16.06.2014
Cellular technologies

Mini retina made of stem cells

The new technique allowed researchers to grow a miniature model of the retina of the human eye capable of responding to light from induced pluripotent stem cells.

11.06.2014
Genetics

Are telomeres a double–edged sword?

Long telomeres, increasing the vitality of the body as a whole, are a risk factor for brain cancer and, possibly, a number of more common forms of cancer.

10.06.2014
Cellular technologies

Fetal neurons are long – lived

Fetal dopaminegic neurons remain viable and functional for at least 14 years after transplantation into the brain of patients with Parkinson's disease.

09.06.2014
Other life sciences

Neurons tell stem cells that new neurons are needed

Scientists from Duke University have discovered a new type of neurons in the brain of an adult organism. These neurons are able to transmit information to neural stem cells about the need to start actively differentiating into neurons.

09.06.2014
Biomedicine

2-PMAP vs beta-amyloid

Scientists from the New York University Medical Center have identified a compound that reduces the level of beta-amyloid in the brain by more than 2 times.

06.06.2014
Biomedicine

New vaccine protects mice from liver cancer

A gene therapy vaccine targeting the immune system to cells with a large amount of alpha-fetoprotein on their surface prevents the development of chemically induced liver cancer in mice in 90% of cases.

06.06.2014
Biomedicine

A new target for the treatment of type 2 diabetes

The signal that promotes insulin secretion and reduces hyperglycemia in animals with a type 2 diabetes model is enhanced by inhibition of a new enzyme discovered by Canadian scientists.

05.06.2014
Nanotechnology

Micro – robots - spermatozoa

Researchers have developed micro robots in the form of sperm cells, the movement of which can be controlled using a weak alternating magnetic field.

05.06.2014
Biomedicine

Treatment of melanoma: two promising drugs

The results of two international studies on the fight against skin cancer give new hope to thousands of cancer patients. Both studies were aimed at helping the immune system recognize late-stage melanoma and attack it.

04.06.2014
Other life sciences

From the life of hair follicles: eggs teach a chicken

The signal to activate the resting stem cells of hair follicles is given by descendant cells – an intermediate link between stem cells and their final product, fully differentiated cells.

04.06.2014
Other life sciences

A model of synapse operation with the accuracy of a molecule

Scientists have created a detailed three-dimensional model of a single synapse, having a molecular level of detail and numbering 300 thousand protein molecules involved in the functioning of the synapse itself.

04.06.2014
Cellular technologies

Three-dimensional printing of blanks for blood vessels

Using hydrogel designs developed on the basis of the latest advances in three-dimensional bioprinting and biomaterials, scientists at Brigham Women's Hospital have created extensive networks of artificial blood vessels.

04.06.2014
Prolonging youth

Metformin anti-aging: new data

Metformin, the most widely used antidiabetic drug worldwide, slows down the aging process and increases the lifespan of nematodes.

04.06.2014
Cellular technologies

Tissues from cells

5 facts about regenerative medicine, artificial tissues and prospects for growing a heart.

03.06.2014