dilluns, 5 de maig del 2014

The light side of drug delivery




Vector is Children's Hospital Boston's blog about research and innovation in pediatric and adult medicine. We report and comment on medical innovations and advances – from bench to bedside – touching on scientific, business and policy issues. Our ranks include science writers, physicians, lab researchers, market analysts and others inside and outside the hospital.






By Tom Ulrich


Getting drugs where they need to be, and at the right time, can be more challenging than you think. Tumors, for example, tend to have blood vessels that are tighter and twistier than normal ones, making it hard for drugs to penetrate them. Despite decades of research on antibodies, peptides and other guidance methods, drug makers struggle to target drugs to specific tissues or cell types.




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