Evidence map›Paper›PMID 41212279›Full record

ArticleDiscover oncology2025

Pan-cancer multi-omics analysis reveals IQCE as a malignant cell-restricted oncogenic biomarker driving immunosuppression and chemoresistance in cutaneous melanoma.

Qing Luo, Jingya Wang, Ting Chen, Jielong Li

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Article in Discover oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed
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1 · What the graph read from it

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3 · Its place in the literature

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1 citing paper in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Qing Luo *Department of Dermatology, The First Affiliated Hospital of Kangda College of Nanjing Medical University, Lianyungang, China.
Jingya Wang *Endocrinology Department, Huai'an Chuzhou Hospital of Traditional Chinese Medicine, Huai'an, China.
Ting ChenDepartment of Oncology, The Affiliated Huai'an Hospital of Xuzhou Medical University, The Second People's Hospital of Huai'an, Huai'an, China. ctchenting3610@163.com.
Jielong LiEmergency Department, Huai'an Hospital of Huai'an City, Huai'an, China. 784499701@qq.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundCutaneous melanoma (SKCM) presents significant therapeutic challenges due to heterogeneity and acquired resistance to targeted and immune checkpoint blockade therapies. IQCE, a ciliary scaffold protein, has poorly defined roles in cancer. Its clinical significance, molecular mechanisms, and impact on the tumor microenvironment (TME) and therapy response are largely unknown.

methodsWe conducted a comprehensive pan-cancer multi-omics analysis of IQCE using genomic, transcriptomic, proteomic, spatial transcriptomic, single-cell transcriptomic, and pharmacogenomic datasets. Analyses included differential expression, survival, pathway enrichment, immune deconvolution, cellular localization, and drug sensitivity prediction.

resultsIQCE was significantly upregulated in multiple solid tumors, most notably cutaneous melanoma (SKCM), liver hepatocellular carcinoma (LIHC), and glioblastoma (GBM), demonstrating strong diagnostic value. High IQCE independently predicted poor prognosis in SKCM. Mechanistically, elevated IQCE correlated with suppression of immune pathways (e.g., cytokine signaling), inhibition of apoptosis, and activation of RAS/MAPK/RTK oncogenic signaling. Single-cell and spatial analyses confirmed IQCE enrichment specifically within malignant cells. High IQCE was associated with broad chemoresistance. Pharmacogenomic profiling revealed a consistent inverse correlation between IQCE expression and sensitivity to the p53-reactivating compound RITA.

conclusionIQCE emerges as a novel oncogene-associated biomarker with significant diagnostic and prognostic utility, particularly in SKCM. It promotes an immunosuppressive TME and oncogenic signaling while being localized to malignant cells. Although associated with chemoresistance, the vulnerability of IQCE-high tumors to RITA offers a promising therapeutic strategy. IQCE represents a compelling target for precision oncology.

Identifiers

PMID41212279
PMCPMC12602738

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