Your current tissue dissociation protocol, and the extent to which you have been successful with traditional collagenase are good guides for selecting the appropriate Liberase Enzyme Blend. Select the Liberase Enzyme Blend most similar to your tissue dissociation application, or
Detergents can interfere with the labeling efficiency of the extracted proteins. Therefore, a procedure that does not include the use of detergents should be used for the preparation of nuclear proteins.
TRI Reagent is a single-step RNA isolation reagent that allows simultaneous isolation of DNA, RNA and protein. This protocol outlines sample prep as well as extraction of the various samples and troubleshooting.