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Drug development begins with the synthesis of the drug, then the drug undergoes preclinical trials (on animals), clinical trials (on humans, phases I - III), and only after that it goes on sale.
29.04.2008How are fasting, cancer and diabetes interrelated
The German Academic Exchange Service (DAAD) and the Ministry of Education and Science of the Russian Federation are opening another competition for scientific grants under the jointly funded Mikhail Lomonosov II program.
29.04.2008Polymer shell for gene delivery
Such a shell stabilizes the particles, protecting DNA from nuclease enzymes, provides solubility in water and simplifies the transport of genes through the cell membrane.
29.04.2008Algae restored sight to mice blind from birth
The ChR2 gene from a green alga encoding a photosensitive ion channel was introduced into the bipolar retinal cells of genetically modified mice that completely lack photoreceptors. As a result, the mice gained sight.
29.04.2008The smell of urine is an important criterion when choosing a partner
Clinical trials repeatedly prove that the effect of homeopathic remedies does not exceed the effect of placebo. Why, then, do many sane people swear that homeopathy helps them? Why do homeopaths claim that a smear campaign has been launched against them?
28.04.2008Do you want to give birth to a boy? We need to eat more porridge, especially for breakfast!
56% of the participants in the group with the highest calorie intake had male babies, while for those who adhere to a low-calorie diet, this figure was only 45%. A pronounced correlation was also found between the birth of sons and the consumption of breakfast and a large consumption of grain products.
25.04.2008750 anti-cancer drugs are being tested in the US
A miniature video camera mounted on glasses directs images to electrodes that are connected to the brain with the help of the optic nerve. Patients wear a small device on their belt to power the camera and process images. The system does not recreate natural vision, but allows you to see the main images using a grid with 60 electrodes (10x6).
23.04.2008Small molecules against infarction
Scientists at the University of Texas demonstrated for the first time in an animal model the possibility of repairing heart damage using blood stem cells.
23.04.2008Herceptin increases the effectiveness of chemotherapy by 1.5 times
The skin of mice is sensitive to low oxygen levels and regulates the synthesis of erythropoietin, a hormone that stimulates the production of red blood cells, thus ensuring the adaptation of the body to conditions of high altitude and low oxygen content in the air.
22.04.2008Stem "super cells" are isolated in the blood
Herceptin (trastuzumab) in combination with standard chemotherapy before surgery for breast cancer leads to complete eradication of the tumor in 45.5% of women, whereas in those who received only chemotherapy – in 30%.
21.04.2008