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Updated: Jun 26, 2025
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High-Throughput Transcriptome Analysis for Investigating Host-Pathogen Interactions
Published on: March 5, 2022
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Comparative analysis of dynamic transcriptomes reveals specific COVID-19 features and pathogenesis of
Xiaodi Yang1, Jialin Zhu1, Qingyun Wang1
1Department of Hematology, Peking University First Hospital, Beijing, China.
Msystems
|May 16, 2024
Summary
This study reveals unique gene expression patterns in COVID-19 patients with hematological tumors, highlighting blood coagulation and lipoprotein remodeling pathways. These findings offer insights into COVID-19 pathogenesis and therapeutic strategies for immunocompromised individuals.
Area of Science:
- Immunology
- Genomics
- Systems Biology
Background:
- COVID-19 (coronavirus infectious disease 2019) pathogenesis in immunocompromised individuals, particularly those with hematological tumors, remains incompletely understood.
- Host gene and protein dysregulation significantly impacts COVID-19 clinical outcomes.
Purpose of the Study:
- To profile transcriptome landscape changes post-SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) infection in hematological tumor patients versus non-tumor individuals.
- To elucidate tumor-specific COVID-19 pathogenesis through integrative systems biology analysis of interactome, complexome, and transcriptome data.
- To identify unique host responses and potential therapeutic targets in immunocompromised COVID-19 patients.
Main Methods:
- RNA sequencing of 94 samples from COVID-19 patients (with/without hematological tumors) and healthy controls.
- Analysis incorporating human-SARS-CoV-2 protein interactions, human protein-protein interactions, and protein complex subnetworks.
- Comparative analysis to identify differentially expressed genes, complexes, and pathways.
Main Results:
- Identified unique differentially expressed genes, complexes, and pathways in COVID-19 patients with hematological tumors, including blood coagulation (e.g., APOE, SERPINE1), lipoprotein remodeling (e.g., APOC2, APOE), and B cell differentiation.
- APOE gene, linked to coagulation and lipid remodeling, was upregulated in hematological tumor patients and associated with mortality in severe cases.
- SARS-CoV-2 appears to target non-functional host proteins, indirectly affecting immune responses in hematological tumor patients.
Conclusions:
- The study provides a comprehensive transcriptome landscape of COVID-19 in hematological tumor patients, revealing distinct molecular mechanisms.
- Findings highlight specific pathways and the APOE gene as potential therapeutic targets for COVID-19 in immunocompromised populations.
- The research offers a valuable data resource for understanding COVID-19 in immunocompromised hosts and developing targeted treatments.
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