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Latest Medical News
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New link between two important products of nitric oxide discovered
Publicado em 06 outubro 2019
Ever since three US-based researchers working independently unveiled the role of nitric oxide in mediating blood vessel dilation, endothelial cell contraction and smooth muscle relaxation, their discoveries have served as a basis for novel treatments for high blood pressure and erectile dysfunction, among other conditions.
The Nobel Prize in Physiology or Medicine in 1998 was awarded jointly to Robert F. Furchgott, Louis J. Ignarro and Ferid Murad for groundbreaking research of nitric oxide [...]
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Scientists identify mechanism that makes babies more likely than adults to die from sepsis
Publicado em 04 julho 2019An immune mechanism that makes babies more likely than adults to die from sepsis has been identified by scientists affiliated with the Center for Research on Inflammatory Diseases (CRID) in Ribeirão Preto, São Paulo State (Brazil). The study is published in Critical Care. The scientists are planning to test new therapeutic approaches based on the discovery. We’re designing a clinical trial with drugs that have been approved for human use and are known to induce this immune [...]ver notícia -
Researchers study animal venoms to identify new medicines for treating diseases
Publicado em 15 fevereiro 2019The study of natural toxins and their derivatives may help in the development of medicines to treat diseases like cancer and osteoarthritis, says coordinator of the Center of Excellence in New Target Discovery. Animal venoms are the subject of study at research center based at the Butantan Institute in São Paulo. But in this case, the idea is not to find antidotes, but rather to use the properties of the venoms themselves to identify molecular targets of diseases and, armed with that [...]ver notícia -
Raios cósmicos ultraenergéticos têm origem extragaláctica
Publicado em 22 setembro 2017Pesquisadores participantes da colaboração Pierre Auger – o maior observatório do mundo dedicado ao estudo e à detecção de raios cósmicos, localizado na província de Mendoza, na Argentina – descobriram que, acima de um determinado nível de energia, essas partículas, que são as mais energéticas da natureza e atingem constantemente a atmosfera terrestre, têm origem extragaláctica. A descoberta foi descrita em um artigo publicado nesta sexta-feira (22/09) na revista Science pela [...]ver notícia -
Research reveals underlying reason for intense pain in patients with shingles
Publicado em 26 agosto 2017Chickenpox is a typical childhood illness. In most cases, it is benign, and the symptoms disappear within ten days. However, its causative agent, Varicella zoster virus (VZV), remains in the organism forever. In some cases, the virus can be reactivated years later, causing a different disease known as herpes zoster, or shingles. One of the first and most unpleasant symptoms of shingles is neuralgia, or constant intense pain affecting mainly the nerves of the chest but also the neck, the [...]ver notícia