Pancreatic Cancer Patient-Derived Organoid (PDO) Establishment and Drug Screening
Source Driehuis et al., 2019 · Hubrecht Institute and University Medical Center Utrecht · 10.1073/pnas.1911273116/-/dcsupplemental
Abstract
This protocol describes the derivation and culture of patient-derived organoids (PDOs) from pancreatic cancer and distal cholangiocarcinoma tumors. PDOs recapitulate tumor histology and genetic alterations typical of pancreatic ductal adenocarcinoma (PDAC). The established PDO biobank is characterized by whole-genome sequencing, RNA sequencing, and histology, and is used for high-throughput drug screening with a panel of 76 therapeutic agents to identify personalized treatment sensitivities.
Protocol overview
35 steps across 7 phases
- 1 Tissue Collection and Storage
- 2 Tissue Enzymatic Digestion
- 3 Cell Suspension Preparation
- 4 BME Preparation and Plating
- 5 Initial Medium Addition and ROCK Inhibitor Supplementation
- 6 Establish Tumor Organoids in Two Media Types
- 7 Monitor Organoid Outgrowth
- 8 Organoid Passaging
- 9 Maintenance of Parallel Cultures
- 10 SMAD4 Status Detection via Growth Factor Withdrawal
- 11 RNA Extraction for Molecular Characterization
- 12 qPCR for KRAS and Gene Expression Validation
- 13 DNA Extraction and Whole-Genome Sequencing Library Preparation
- 14 RNA Sequencing Library Preparation and Sequencing
- 15 Sample Preparation for H&E and Immunohistochemistry
- 16 TP53 Immunohistochemical Staining
- 17 SMAD4 Immunohistochemical Staining
- 18 MTAP Immunohistochemical Staining
- 19 Morphological Comparison of PDOs and Primary Tumor Tissue
- 20 Organoid Dissociation and Single-Cell Plating
- 21 Compound Library Preparation and Addition
- 22 Incubation with Compounds
- 23 Cell Viability Assay
- 24 Data Processing and IC50 Calculation
- 25 Drug Sensitivity Profile Analysis
- 26 MTAP and CDKN2A Genomic Status Determination
- 27 PRMT5 Inhibitor (EZP015556) Dose-Response Screening
- 28 MTAP Expression Induction via Lentiviral Vector
- 29 Validation of MTAP Expression and EZP015556 Sensitivity
- 30 MTA Level Quantification via Mass Spectrometry
- 31 Correlation of MTA Levels with EZP015556 Sensitivity
- 32 Collection of Clinical Treatment Data
- 33 Comparison of PDO In Vitro Response with Clinical Patient Outcome
- 34 Integrated Genomic and Drug Response Analysis
- 35 Biomarker Validation and Clinical Translation Planning
Full SOP
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Attribution
This SOP was authored by Organthis based on the published method in Driehuis et al., 2019. The originating laboratory holds no rights in this SOP and has not endorsed it unless marked Verified.
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