Preparation of RNA Samples from Mouse Tissues: Difference between revisions

updated for purelink kits.
added ethanol to materials and prepared TRIzol tubes first
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*Chloroform (in solvent cabinet)
*Chloroform (in solvent cabinet)
*Label tubes, for each sample need 3 eppies, at least one of which is 2 mL and one of which is a recovery tube from the PureLink kit.
*Label tubes, for each sample need 3 eppies, at least one of which is 2 mL and one of which is a recovery tube from the PureLink kit.
 
*70% Ethanol make with RNAase free water and 100% Ethanol.


==Protocol==
==Protocol==
#Cut ~50-100 mg of tissue.  If tissue is in RNAlater, cut at room temperature.  If tissue is frozen cut on dry ice.  Weigh into a fresh 2mL eppendorf tube and keep on dry ice (if frozen).
#Add 1 mL TRIzol reagent to each 2 mL tube.
#Add 1 mL TRIzol reagent to each tube.
#Cut ~50-100 mg of tissue.  If tissue is in RNAlater, cut at room temperature.  If tissue is frozen cut on dry ice.  Weigh into a fresh 2mL eppendorf tube and keep on ice.
#Using tissue grinder, homogenize tissue for ~30s until homogeneous (no clumps).
#Using tissue grinder, homogenize tissue for ~30s until homogeneous (no clumps).
#Incubate 5 minutes at room temperature.
#Incubate 5 minutes at room temperature.