Life Sciences

Found results: 11545

Genetics

How a cell untangles entangled RNA

Transposons can turn cellular RNA into a tangle from which it is impossible to extract information. However, the cell has proteins that can easily unravel such a tangle.

05.04.2017
Other life sciences

Cancer retreats

Compared with 1975-77, in 2006-12, the five-year survival rate after diagnosis increased for all oncological diseases, except for cervical and uterine body cancer.

04.04.2017
Cellular technologies

Artificial vessels for microsurgery

Collagen tubes will allow connecting small vessels during transplantation of donor and bioengineered organs, as well as repairing damage to the circulatory system.

04.04.2017
Genetics

A new mechanism of appetite regulation

Korean scientists have discovered a previously unknown mechanism of regulation of eating behavior associated not with the "satiety hormone" – leptin, but with the coenzyme tetrahydrobiopterin.

04.04.2017
Nanotechnology

Chemotherapy drugs in microcapsules

Microcapsules developed at the University of Alabama are both a therapeutic agent and a diagnostic contrast agent.

03.04.2017
Biomedicine

ELENAGEN DNA vaccine: an encouraging start

The results of the therapeutic anticancer vaccine phase I/IIa conducted in Russia demonstrated the clinical benefits of the drug and an excellent safety profile.

31.03.2017
Cellular technologies

Cord blood against hereditary disease

The performed transplantation is the world's first case of using preimplantation genetic diagnosis for the treatment of Schwachman-Diamond syndrome.

31.03.2017
Bioethics

Rules for creating synthetic human beings

In an article in the journal eLife, the authors consider the ethical issues of creating what they call "synthetic human beings with embryo-like properties."

31.03.2017
Other life sciences

Treatment of paralysis: a new step

A person diagnosed with quadriplegia was able to move a paralyzed arm for the first time. This opens up broad prospects for the treatment of paralysis.

31.03.2017
Other life sciences

Chromosomes of an egg in 3D

A modified method for determining the three-dimensional organization of chromosomes made it possible to obtain a 3D map of DNA in mature eggs before and after fertilization.

30.03.2017
Cellular technologies

IPSC from a donor

Transplantation of donor induced pluripotent stem cells was performed in Japan for the first time. In total, 5 patients are planned to be included in the study.

30.03.2017
Biomedicine

Ocrevus will help with multiple sclerosis

The FDA-approved new drug for the treatment of multiple sclerosis "Okrevus" is produced by Genentech, owned by pharmaceutical giant Roche.

30.03.2017
Genetic engineering

Transgenic plants against malaria

Genetically modified wormwood synthesizes twice as much artemisinin, the main and most effective component of malaria drugs.

29.03.2017
Cellular technologies

Female reproductive system on a chip

So far, the model can only simulate the synthesis of hormones within the monthly cycle, but not the movement of eggs (they mature, but do not move anywhere), and especially not pregnancy.

29.03.2017
Nanotechnology

Gold Nanowalls

Nanoparticles can be compared to a sledgehammer for bacteria: they have no defense mechanisms against nanoparticles, and even in theory they cannot develop resistance.

29.03.2017
Cellular technologies

Heart in spinach

In a series of experiments, scientists have grown human cardiomyocytes suitable for transplantation in cellulose capillaries of spinach leaves, purified from plant tissues.

29.03.2017
Cellular technologies

"Iron" polymer

Russian scientists have successfully tested spongy bone implants based on ultrahigh molecular weight polyethylene (UHMWPE): 100% of the implanted samples have successfully taken root.

28.03.2017
Cellular technologies

Stem cells cured impotence

Clinical studies have shown that 8 out of 15 men with erectile dysfunction were able to have sex six months after a single injection of stem cells.

28.03.2017