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Found results: 3399

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Running from old age

Older runners are more able-bodied, have a longer active life span and are twice as likely as non-training old people to die prematurely.

01.10.2008
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For nanoparticles, shape is of great importance

Nanoparticles shaped like bacteria easily penetrate into cells. According to the results of the study, the shape of nanoparticles affects their effectiveness in the treatment of various diseases.

01.10.2008
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Press the button: you will get an orgasm!

The manufacturers of the "Lightest Touch" device claim that their brainchild will allow women to get longer, pronounced and intense orgasms with a single push of a button.

01.10.2008
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Proper nutrition will protect against macular degeneration

The authors believe that an antioxidant-rich diet, including artichokes, blueberries, pecans and other plant products, can partially reduce the incidence of macular degeneration and, accordingly, age-related blindness in industrialized countries.

01.10.2008
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Rheumatoid Arthritis Vaccine trials begin

Vaccines based on the patient's own cells are already undergoing clinical trials in patients with cancer, but they will be tested for the first time in rheumatoid arthritis. The experimental stage was very impressive, and scientists expect that the vaccine will be able to specifically suppress the pathological autoimmune response.

02.09.2008
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Mitosis under control: new details

The discovery of a biochemical pathway called "mitosis control factor-2" raises more questions than it provides answers, because so far a lot is unknown about how the components of the mitosis control mechanism interact with each other and how an exceptionally high accuracy of chromosome separation is achieved.

16.07.2008
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Recycling of cellular waste will help to defeat cancer

It is known that waste recycling has a positive effect on the state of the entire planet. A cellular version of this process may be useful in the fight against cancer. Stanford University scientists have identified a molecule that uses one of the methods of self–purification of the body – autophagy - to selectively destroy tumor cells.

16.07.2008
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Ointment instead of injections

Pharmacologists are considering the possibility of creating several soft dosage forms based on silica gels, as well as the possibility of transdermal delivery of drugs for which an injectable method of administration was previously used.

16.07.2008
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A patch instead of a syringe

In an animal experiment, a patch with a vaccine turned out to be even more effective than an injection. This may be due to the fact that the vaccine injected with a patch penetrates directly under the surface of the skin, where there are many immune cells, and causes a stronger immune response.

16.07.2008
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Side effects or new properties?

By comparing drugs that differ in chemical composition but have the same side effects, the researchers were able to identify additional molecular targets for 20 pairs of drugs that have already proven themselves on the drug market. The predicted additional effects of nine drugs were confirmed by tests.

15.07.2008
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Investment funds finance gene research

On July 14, 2008, a group of Western investors led by Intel Capital Fund announced an investment of $ 100 million in the development of a technology that should allow the decoding and sequencing of DNA chains on a massive scale.

15.07.2008
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Nanowire sensors for continuous monitoring of protein markers

Even if only one protein molecule binds to one of the antibodies attached to the nanowire, the electrical conductivity of the nanowire changes. Hundreds of nanowires designed to detect different molecules in a single sample can be placed on small inexpensive chips.

15.07.2008
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Histone deacetylase inhibitors – first aid for a heart attack?

Drugs that inhibit the enzyme histone deacetylase reduce the area of damage, i.e. the area of the heart muscle that has died as a result of the cessation of blood supply, by more than half. Moreover, the effect persists even when they are administered an hour after the onset of a heart attack.

14.07.2008
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The FDA took dietary supplements seriously

These rules will help to ensure the quality of dietary supplements, and consumers will gain confidence that they are buying exactly what is written on the packaging. Enterprises will also be required to report all cases of serious side effects when using dietary supplements.

14.07.2008
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New drug against Alzheimer's disease shows great promise

Oral administration of PBT2 induces a marked improvement in the ability to learn and memorize in both mouse models of Alzheimer's disease. These effects manifested themselves very quickly: a decrease in the level of the soluble intermediate form of beta-amyloid occurred within a few hours, and a significant improvement in cognitive function occurred within a few days after the first intake.

14.07.2008
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Bone implants according to individual drawings

With the help of the new technology, it will be quite easy to manufacture individual implants, the internal structure of which will correspond to the structure of the patient's bone. Metal powder made of materials such as titanium and steel allows the reconstruction of various bone elements, such as the components of the knee joint.

14.07.2008
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Do you want children? Fight obesity!

Men suffering from obesity are characterized by a small volume of seminal fluid and an increased relative content of abnormal spermatozoa.

14.07.2008
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How breast cancer cells metastasize

The findings made by the authors will help not only to explain why some tumors are more aggressive than others, but also to develop methods to identify highly invasive tumors at early stages and, possibly, even prevent metastasis.

14.07.2008