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Updated: Jun 24, 2025
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Pancreatic Tissue Dissection to Isolate Viable Single Cells
Published on: May 26, 2023
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Single-cell transcriptome reveals the heterogeneity of malignant ductal cells and the prognostic value of REG4 and
Yutian Ji1,2,3, Qianhui Xu4, Weilin Wang1,2,3
1Department of Hepatobiliary and Pancreatic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
Peerj
|June 3, 2024
Summary
This study used single-cell RNA sequencing to analyze pancreatic ductal adenocarcinoma (PDAC) heterogeneity. Researchers identified REG4 and SPINK1 as promising therapeutic targets for PDAC by silencing them, which impaired cancer cell proliferation and invasion.
Area of Science:
- Oncology
- Genomics
- Molecular Biology
Background:
- Pancreatic ductal adenocarcinoma (PDAC) is a leading cause of cancer mortality with limited treatment options.
- Understanding PDAC heterogeneity is crucial for developing effective therapies.
Purpose of the Study:
- To comprehensively analyze PDAC heterogeneity using single-cell RNA sequencing (scRNA-seq).
- To identify novel prognostic and therapeutic targets for PDAC.
Main Methods:
- scRNA-seq analysis of 16 primary PDAC and 3 adjacent lesions.
- Cell clustering, gene profiling, lineage trajectory, and cell-cell interaction analyses.
- In vitro validation of identified markers (REG4, SPINK1) using proliferation, invasion, migration, and stemness assays.
Main Results:
- 32,480 cells were clustered into six populations, with high CNV ductal cells identified as malignant.
- Malignant cells were subtyped into five groups with distinct immunologic and metabolic features.
- REG4 and SPINK1 were upregulated in PDAC cells, and their silencing significantly inhibited proliferation, invasion, migration, and stemness.
Conclusions:
- The study provides a valuable resource for understanding PDAC cell heterogeneity.
- REG4 and SPINK1 show potential as therapeutic targets for PDAC.
