Evidence map›Paper›PMID 42765081›Full record

ArticleFrontiers in genetics2026

Ultrasound radiomics integrated with an immune-related gene signature for predicting response and resistance to immune checkpoint inhibitors in cutaneous melanoma: a retrospective radiogenomic study with biological validation.

Jinyu Peng, Bowen Dai, Kan Ze, Jie Yang

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Article in Frontiers in genetics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Jinyu PengDepartment of Ultrasound, Shanghai Concord Medical Cancer Center, Shanghai, China.
Bowen DaiDepartment of Surgery VIII (Dermatology and Sores), Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
Kan ZeDepartment of Surgery VIII (Dermatology and Sores), Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
Jie YangDepartment of Ultrasound, Nanqiao Town Community Health Service Center, Shanghai, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Immune checkpoint inhibitors (ICIs) have transformed cutaneous melanoma therapy, yet 50% of patients show primary or acquired resistance, and current biomarkers (PD-L1 and tumor mutational burden) lack precision. High-frequency ultrasound (HFUS), contrast-enhanced ultrasound (CEUS), and shear-wave elastography (SWE) are inexpensive and repeatable, but their relationship to the immune transcriptome and ICI outcomes is unknown. Methods: In this single-center retrospective study, 218 patients with cutaneous melanoma who received first-line anti-PD-1-based ICIs and pretreatment ultrasound were divided into training (n = 153) and internal validation (n = 65) sets. HFUS/CEUS/SWE radiomic features were filtered for reproducibility and selected by LASSO to construct an ultrasound radiomic score (US-score). Across three public transcriptomic cohorts (TCGA-SKCM, GSE91061, and GSE78220) and a melanoma single-cell dataset (GSE115978), we combined differential expression, WGCNA, immune deconvolution, and LASSO-Cox to derive an IRGS. Four core genes (CXCL10, CD8A, IFNG, and CXCL9) were validated Results: The objective response rate was 42.7% (median follow-up 28.4 months). The US-score independently predicted response (adjusted OR: 2.6; 95% CI: 1.7-3.9; validation AUC: 0.78). The IRGS stratified public cohorts into immune-hot/cold groups with distinct outcomes (TCGA-SKCM overall-survival HR: 2.14; 95% CI: 1.56-2.93; response AUC: 0.79). The US-score correlated with the IRGS (r = 0.58) and with CD8 Conclusion: Ultrasound radiomics encodes information about the melanoma tumor-immune microenvironment; combined with an immune-related gene signature, it provides a non-invasive, biologically anchored tool for stratifying ICI response and resistance.

Indexed as

cutaneous melanomaimmune checkpoint inhibitorimmune-related gene signatureradiogenomicssingle-cell RNA sequencingtreatment responsetumor microenvironmentultrasound radiomics

Identifiers

PMID42765081
PMCPMC13590222

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