Transcriptomic signatures and immune microenvironment of acute rejection after heart transplantation: an integrated bioinformatics analysis - Scorecard - MDSpire

Transcriptomic signatures and immune microenvironment of acute rejection after heart transplantation: an integrated bioinformatics analysis

  • By

  • Wenjun Zhou

  • Langjing Huang

  • Wenwen Tang

  • May 25, 2026

  • 0 min

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Clinical Scorecard: Gene Expression Profiles and Immune Landscape in Acute Heart Transplant Rejection: A Comprehensive Bioinformatics Study

At a Glance

CategoryDetail
ConditionAcute Heart Transplant Rejection
Key MechanismsInterferon signaling, T-cell receptor signaling, chemokine pathways, antigen presentation
Target PopulationHeart transplant recipients
Care SettingPost-transplant clinical care

Key Highlights

  • 1,032 genes differentially expressed in acute rejection vs. non-rejection samples
  • Strong diagnostic model with AUC=0.993 for acute rejection
  • Increased immune cell signals in rejection, including monocytic and T/cytotoxic lymphocytes
  • Experimental validation of gene expression findings using qPCR
  • Need for molecular profiling to complement histologic assessment in EMB

Guideline-Based Recommendations

Diagnosis

  • Endomyocardial biopsy (EMB) with histologic evaluation is the standard for diagnosing acute rejection.

Management

  • Molecular profiling may provide complementary insights to histology in assessing graft rejection.

Monitoring & Follow-up

  • Regular assessment of gene expression profiles may aid in early detection of rejection.

Risks

  • Acute rejection can lead to decreased graft function and chronic allograft vasculopathy.

Patient & Prescribing Data

Heart transplant patients undergoing EMB for rejection assessment

Molecular profiling may enhance risk stratification and management of rejection.

Clinical Best Practices

  • Integrate molecular profiling with histologic evaluation for comprehensive rejection assessment.
  • Utilize gene expression patterns to inform clinical decision-making in transplant care.

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