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Optimal RNA preservation pre-sample prep over long time Noa RNA Sequencing 1 03-14-2019 07:45 AM
Mouse brain tissue prep for ChiP seq shldbcrzy1 Sample Prep / Library Generation 0 06-15-2016 02:51 PM

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Old 03-14-2019, 12:14 AM   #1
Location: haifa israel

Join Date: Jun 2011
Posts: 62
Default Optimal RNA prep from whole mouse tissue

I have an experiment planned in which RNA samples will be collected from total mouse tissue (eg whole kidney, whole brain, etc).
I plan to use Qiagen RNeasy kit for RNA prep and then do downstream library prep and RNASeq.

Since I want to get data on whole tissue RNA content (and I do realize I will only see very large-scale changes since any change occurring in a subset of cells will likely be invisible to me here) I would like to homogenize the entire tissue (and not just a portion). I will need to collect the entire tissue at the end of the in vivo part of the experiment and later process for RNA

What would be your recommendation on tissue preservation (given the size of a whole mouse organ)? What would be the best way to perform initial homogenization of the entire tissue? After this I can subsample a portion of the total homogenized sample for downstream RNA preparation and sequencing

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Old 03-14-2019, 01:43 AM   #2
Location: UK

Join Date: Jun 2017
Posts: 10

I would take 5mm x 5mm blocks of tissue and snap freeze them.
Macrodissect and homogenise in RLT using a hand homogeniser, or use a bead mill homogeniser.

Last edited by Marc_Jones; 03-14-2019 at 01:45 AM. Reason: Clarity
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homogenization, rna sample preparation, rnaseq, tissue

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