Single-cell transcriptomic insights into the immune heterogeneity of immune checkpoint inhibitors related organ toxicities - Takeaways - MDSpire

Single-cell transcriptomic insights into the immune heterogeneity of immune checkpoint inhibitors related organ toxicities

  • By

  • Hao Wen

  • Yange Qi

  • Jianbo Song

  • Xia Yan

  • June 9, 2026

  • 0 min

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  • 1

    Immune checkpoint inhibitors (ICIs) can cause immune-related adverse events (irAEs) like colitis and myocarditis, impacting quality of life and treatment outcomes.

  • 2

    Single-cell RNA sequencing (scRNA-seq) provides high-resolution profiling of immune cell heterogeneity, aiding in understanding the mechanisms of irAEs.

  • 3

    ICI-associated colitis incidence varies by treatment regimen, with anti-CTLA-4 therapies showing a higher risk compared to anti-PD-1/PD-L1 therapies.

  • 4

    Symptoms of ICI-induced colitis typically appear 4 to 8 weeks after treatment initiation, with diarrhea being the predominant symptom.

  • 5

    Diagnosis of ICI-associated colitis involves clinical assessment, laboratory evaluations, and colonoscopic examination to identify mucosal inflammation.

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