microvesicles

Cancer Exosomes Promote Metastasis
Jef Akst | May 29, 2012
Vesicles released by melanoma cells stimulate pro-metastasis behaviors in bone marrow cells.
Plant RNAs Found in Mammals
Cristina Luiggi | Sep 20, 2011
MicroRNAs from plants accumulate in mammalian blood and tissues, where they can regulate gene expression.