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Putative function and prognostic molecular marker of mast cells in colorectal cancer

  • 0Department of Medical Oncology, Jinling Hospital, Nanjing Medical University, Nanjing, Jiangsu Province, China.
Bmc Medical Genomics +

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April 9, 2025

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April 9, 2025

View abstract on PubMed

Summary

This summary is machine-generated.

This study reveals mast cell roles in colorectal cancer (CRC) progression and identifies key markers for a prognostic model. Mast cell marker GATA2 knockdown inhibited CRC cell migration and invasion.

Area Of Science

  • Oncology
  • Immunology
  • Genomics

Background

  • Colorectal cancer (CRC) necessitates novel prognostic markers.
  • Investigating immune cells, particularly mast cells, is crucial for understanding CRC progression.

Purpose Of The Study

  • To dissect mast cells in CRC and their role in cancer development.
  • To analyze molecular communication between mast cells and malignant cells.
  • To develop and validate a prognostic classification model based on mast cell markers.

Main Methods

  • Single-cell RNA sequencing data (GSE146771) for cell annotation.
  • Copykat for malignant cell identification and CellChat for cell-cell communication analysis.
  • LASSO and Cox regression for prognostic model construction using TCGA-COAD data.
  • qRT-PCR, co-culture, wound healing, and Transwell assays to validate marker function.

Main Results

  • Annotated 9 cell types from 10,186 CRC cells.
  • Selected six mast cell markers (HDC, GATA2, ASAH1, BTBD19, TIMP1, FAM110A) for a prognostic model.
  • High-risk score correlated with immunosuppressive cells, angiogenesis, and epithelial-mesenchymal transition (EMT).
  • GATA2 knockdown in a co-culture system inhibited CRC cell migration and invasion.

Conclusions

  • Identified cell types and mast cell functions in CRC development.
  • Elucidated molecular communication pathways between mast cells and malignant cells.
  • Highlighted molecular components and biological features for a promising CRC prognostic model.

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