Life Sciences

Found results: 11545

Bioethics

Medical Ethics and Bioethics: between Science and Morality

The round table of Russian and French scientists "Medical ethics and bioethics: between science and morality" at the RIA Novosti International Press Center can be seen live. The beginning is on April 22 at 18.30.

13.04.2010
Theories of aging

Genetics of aging and how to deal with it

The search for substances and methods that affect already known and as yet undiscovered genes and signaling pathways associated with aging continues. Whether we will wait for the results with you is another question…

13.04.2010
Biomedicine

Autoimmune diseases: deceive T-lymphocytes

An excess of antigens, characteristic of cells that destroy their own T-lymphocytes in autoimmune diseases, produces a paradoxical effect – it stops the attack of the immune system on the tissues of the diseased organ.

12.04.2010
Biomedicine

Cancer: Roads of hope

The round table "Cancer: Roads of Hope" has started a series of round tables that will be held in Moscow as part of the year "Russia-France 2010".

09.04.2010
Prolonging youth

Weight loss in old age prolongs life

Scientists have refuted the widespread belief that weight loss in old age can harm health. On the contrary, studies have shown a twofold decrease in mortality in the elderly group 8 years after losing weight.

09.04.2010
Genetics

Diseases are growing by leaps and bounds

Biologists from the University of Texas have published a review of studies on the nature of various human diseases on model organisms – not only on the already familiar transgenic mice, but also on frogs, plants and even yeast.

08.04.2010
Genetics

The human genome: ten years later

Ten years after receiving the first results of complete sequencing of the human genome, researchers should make no less effort to apply the knowledge gained in clinical practice.

06.04.2010
Biomedicine

The return of Thalidomide

Thalidomide, once completely banned, has recently begun to return to the market, proving to be an effective remedy for the treatment of very serious diseases.

05.04.2010
Genetics

Why do we need to decode the genome?

DNA diagnostics based on the complete decoding of the human genome will become available in practical healthcare, if not in our lifetime, then in the lifetime of our children. But is it necessary for an ordinary person to decode his genome and why?

05.04.2010
Genetics

Cell division: light, motor, genes, more genes...

The authors suppressed the expression of individual genes and observed how this would affect the process of cell division. They registered more than 19 million divisions, created about 190,000 video files and identified almost 600 genes that affect the process of mitosis.

02.04.2010
Biomedicine

Gene therapy of retinal pigmented dystrophy: genes + nanoparticles

The condition of the retinal rods in the mice of the experimental group improved, and the destruction of the cones was prevented, while the animals from the control groups continued to go blind. No side effects of using nanoparticles to deliver "healthy" genes were found.

02.04.2010
Nanotechnology

Nanomedicine in questions and Answers

The on-line conference "Application of nanotechnology in medicine" was organized for its visitors by the editorial board of the Nanonews Network portal. Don't shoot the taper: he answered as best he could...

31.03.2010
Biomedicine

A microRNA suppressor will stop metastases

Reducing the miR-10b microRNA level with the help of antisense nucleotide sequences did not reduce the size of the primary tumor, but inhibited further metastasis.

30.03.2010
New in Gerontology

Aging issues: a special application to Nature

The issue includes several reviews describing the results of recent studies on various aspects of aging and the possibility of applying the results obtained to prevent age-related diseases and prolong human life and youth.

30.03.2010
Other life sciences

The spliceosome mounts the film "Matrix RNA"

Creating a blockbuster, the film director cuts out extra frames from it, and a cellular machine called a spliceosome cuts out extra sections – introns – from the precursor molecule of matrix RNA. The new technology allows you to see the work of the splicer in real time.

30.03.2010
Bioethics

TV Series and Bioethics

Bioethicists have counted 179 cases of violations of medical ethics in 11 different areas in the films of the second season of the TV series "Dr. House" and "Anatomy of Passion".

29.03.2010
Other life sciences

DNA repair: it's better to see it once...

To see the DNA repair process, the scientists marked two repair proteins with quantum dots glowing in different colors and stretched the spiralized DNA molecule into several straight strands.

29.03.2010
Biomedicine

Early diagnosis of glaucoma will preserve vision

Glaucoma, which often occurs in elderly people, ranks second in the world among diseases that lead to vision restriction and blindness. The new method of diagnosis of glaucoma will allow several years earlier than the existing methods to detect the disease and begin treatment.

29.03.2010