Table 1. Comparison of microvesicular RNA and protein levels isolated using six different extraction methods

Method	Total miRNA Yield (ng)	Protein level (mg/mL)
Conventional Method 1	7800	5.142
Conventional Method 2	9120	4.669
Lactic Acid Method	5660	3.042
EDTA Method	5840	0.1487
ExoQuick™ Method	9330	17.1777
Optiprep™ Method	985	0.0603