Study: miR-200s play a paradoxical role in development of metastatic cancer

[News]

While they may be small in size, a family of tiny molecules called microRNAs could potentially play a large role in the process of cancer metastasis, or the spread of cancer from one area of the body to another.

More... (http://www.news-medical.net/news/20110808/Study-miR-200s-play-a-paradoxical-role-in-development-of-metastatic-cancer.aspx)