Articles

Found results: 16340

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
Your health

Will beta blockers help with breast cancer?

If it is possible to prove the effectiveness of beta-blockers to prevent metastases in breast cancer, oncologists will receive an effective and safe drug.

30.03.2010
Innovative Russia

Goodbye, innovative Russia!

The low efficiency of the implementation of the policy of innovative development has led to the activation of the process of "brain drain". In 2009, about 6,100 scientists and scientific specialists left Russia.

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
Cellular technologies

Autologous fibroblasts: cellular mesotherapy for skin rejuvenation

For "cellular mesotherapy", his own (autologous) fibroblasts are isolated and cultured from a tiny fragment of the patient's skin. After a series of injections of living cells, the microstructure and appearance of the skin noticeably and permanently improve.

26.03.2010
Other life sciences

How to achieve immortality?

Cells are able to spontaneously achieve a state of immortality (immortalization) by gradually changing the expression of genes that control the processes of DNA repair, as well as cell growth and division.

25.03.2010
Cellular technologies

A heart attack without scarring on the heart?

If we can simulate in mammalian heart cells the process that is observed in danio rerio, we will understand why we have not yet observed the regeneration of the heart in humans.

25.03.2010
Your health

Young age-related diseases

Traditionally, age-related ailments have significantly "rejuvenated". However, there is also good news: if you are examined in time, you can detect serious diseases at the earliest stage and be cured.

25.03.2010
Other life sciences

Another human cousin?

The branch of the evolutionary tree on which a possible new species of hominins is located separated from the branch leading to us about a million years ago – long before the paths of modern man and Neanderthal diverged.

25.03.2010
New in Gerontology

Old man's memory: alignment with the best!

A new approach to the study of age–related memory changes – the study of the brain of people who have retained a good memory until old age - will make it possible to establish what exactly allows such people to avoid senile senility.

25.03.2010
Prolonging youth

The causes of facial aging are much deeper than wrinkles

Botox and skin tightening are not enough to rejuvenate the face at all, since the metamorphoses that occur with aging are due to significant changes in the shape of the facial bones, especially the lower jaw.

25.03.2010