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Related Experiment Video

Updated: May 31, 2026

Obtaining High Quality RNA from Single Cell Populations in Human Postmortem Brain Tissue
18:17

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CryoGrid-PIXUL-RNA: high throughput RNA isolation platform for tissue transcript analysis.

Scott A Schactler1,2, Stephen J Scheuerman1,2, Andrea Lius1,2

  • 1UW Medicine South Lake Union, University of Washington, Seattle, WA, 98109, USA.

BMC Genomics
|August 8, 2023
PubMed
Summary
This summary is machine-generated.

A new CryoGrid-PIXUL system streamlines tissue analysis by enabling efficient cryostorage and sampling. This high-throughput workflow simplifies RNA isolation from tissues, offering a cost-effective solution for disease research.

Keywords:
CryoGrid for tissues cryostoring and samplingPIXUL RNA extractionProteinase KRNA sequencingTranscriptomics

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Area of Science:

  • Biotechnology
  • Genomics
  • Molecular Biology

Background:

  • High-throughput multiomics requires efficient tissue analysis workflows.
  • Current biospecimen storage and sampling methods are inefficient, creating a bottleneck.
  • The PIXUL sonicator facilitates analyte extraction from cells and tissue fragments.

Purpose of the Study:

  • To develop a user-friendly system for cataloging, cryostoring, and sampling tissue fragments.
  • To create a streamlined, high-throughput RNA isolation protocol for tissue analysis.
  • To integrate a novel RNA isolation method with existing tissue processing technologies.

Main Methods:

  • Development of the CryoGrid system for tissue cryostorage and sampling.
  • Creation of a microplate-based, TRIzol-free, and column-free RNA isolation protocol using proteinase K (PK) buffer.
  • Integration of the CryoGrid system with the PIXUL sonicator and various RNA isolation methods (PK buffer, TRIzol, PureLink columns).

Main Results:

  • The CryoGrid-PIXUL system, combined with PK buffer, TRIzol, or PureLink columns, yielded comparable RNA transcript profiles.
  • Transcript profiles from frozen mouse organs (brain, heart, kidney, liver) in a sepsis model were analyzed.
  • Demonstrated successful gene-specific qPCR and genome-wide transcript analyses.

Conclusions:

  • The CryoGrid-PIXUL system with the 96-well microplate PK buffer method provides an inexpensive, user-friendly, high-throughput workflow.
  • This integrated system enables efficient study of transcriptional responses in tissues.
  • Facilitates research in various conditions including health, disease, and therapeutic interventions.