SEMCIÊNCIA

Isso poderia ser adaptado para o trabalho do Mairon onde os pulsos seriam radioterápicos? How to Halt Disease with Limited Vaccine Posted: 05 Jan 2010 09:10 PM PST A new vaccination strategy can eliminate a disease with limited amounts of vaccine. But get the timing wrong and the disease could spread even faster When you have a limited amount of vaccine, what's the best way to use it to halt the spread of disease? That's more than an academic question. A good vaccination strategy saves time, money and, of course, lives. One line of thought is that to wipe out a disease, as many individuals as possible ought to be vaccinated. This eliminates the disease by brute force. But today, Michael Khasin at Michigan State University in East Lansing and a couple of buddies suggest another strategy. They say that the timing of the vaccination is important too. In fact, it is possible to speed up the eradication of the disease with a series of periodic vaccination "bursts". So whe...

Estou para iniciar uma orientação sobre modelagem de câncer e tratamentos. Talvez o Mairon deveria dar uma olhada neste artigo: Evolution Could Explain Cancer Relapse Mystery Posted: 23 Jul 2009 09:10 PM PDT Evolution may explain why treated tumors sometimes spread more aggressively than untreated ones. Most cancer therapies work by distinguishing between normal cells and cancerous ones. For example, radiation therapy distinguishes between tumour cells that are unable to repair themselves and healthy cells which maintain this capability. Chemotherapy is more harmful to tumour cells because they replicate more frequently and so on. But perhaps there's a cleverer way to target tumours by thinking about them in a different way. Now Branislav Brutovsky at P. J. Safarik University in Slovakia and his pal Dragos Horvath outline just such a new way of thinking about cancer and say that it could have profound implications for cancer treatment. The key is to treat tumour growth as an evolu...