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Analysis of target mRNAs in the fixed-frozen human brain using a modified BaseScope-ISH Assay protocol

M. Carla Carisì, Owain Howell Orcid Logo, Alwena Morgan Orcid Logo, Jeffrey Davies Orcid Logo

STAR Protocols, Volume: 3, Issue: 4, Start page: 101896

Swansea University Authors: Owain Howell Orcid Logo, Alwena Morgan Orcid Logo, Jeffrey Davies Orcid Logo

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Abstract

We describe a modified BaseScope™ Assay protocol (ACDBio) for RNA in situ hybridization on fixed-frozen human brain tissue. The original protocol caused tissue detachment due to harsh tissue pre-treatment. We therefore optimized it to improve tissue stability while providing high stain quality in fr...

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Published in: STAR Protocols
ISSN: 2666-1667
Published: Elsevier BV 2022
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa65354
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Abstract: We describe a modified BaseScope™ Assay protocol (ACDBio) for RNA in situ hybridization on fixed-frozen human brain tissue. The original protocol caused tissue detachment due to harsh tissue pre-treatment. We therefore optimized it to improve tissue stability while providing high stain quality in fragile post-mortem tissue from aged donors with advanced neurodegeneration. The main changes include two additional fixation steps and modifications to the pre-treatment protocol. We also describe tissue imaging and stain quantification using the open-source QuPath software.
Item Description: Protocol
College: Faculty of Medicine, Health and Life Sciences
Issue: 4
Start Page: 101896