Evidence map›Paper›PMID 42259884›Full record

ArticleScientific reports2026

Comparative analysis of genomic profiles and clinical outcomes in cholangiocarcinoma and gallbladder cancer.

Weiqun Lu, Rujiao Liu, Cuicui Liu, Jiaohui Pang, Jiani Yin, Zhe Zhang

Abstract readComparative Study
In one paragraph

Article in Scientific reports, 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

What it found

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Weiqun Lu *Department of Gastrointestinal Surgery Oncology, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, 510095, Guangdong, People's Republic of China.
Rujiao Liu *Department of Oncology, Shanghai Medical College, Fudan University, No. 270 Dong-An Road, Shanghai, 200032, People's Republic of China.
Cuicui LiuGeneseeq Research Institute, Nanjing Geneseeq Technology Inc, Nanjing, 210032, Jiangsu, People's Republic of China.
Jiaohui PangGeneseeq Research Institute, Nanjing Geneseeq Technology Inc, Nanjing, 210032, Jiangsu, People's Republic of China.
Jiani YinGeneseeq Research Institute, Nanjing Geneseeq Technology Inc, Nanjing, 210032, Jiangsu, People's Republic of China.
Zhe ZhangDepartment of Oncology, Shanghai Medical College, Fudan University, No. 270 Dong-An Road, Shanghai, 200032, People's Republic of China. zhangzhe2020fduscc@163.com.

Funding

Natural Science Foundation General Program of Guangdong Province, China 2021A1515010764
6 · The paper itself

Abstract

Cholangiocarcinoma (CCA) and gallbladder cancer (GBC) exhibit distinct biological behaviors and treatment responses, potentially driven by differences in their genomic landscapes. However, genomic investigations of biliary tract carcinoma (BTC) remain limited. A retrospective analysis was performed on next-generation sequencing data from 258 patients with BTC (188 with CCA, 70 with GBC), with an external cohort from Memorial Sloan-Kettering Cancer Center (MSKCC cohort) included for comparison. The most frequently altered genes in BTC included TP53 (56.6%), KRAS (27.9%), CDKN2A (21.3%), TERT (17.8%), and MCL1 (14.3%). CCA was predominantly characterized by mutations in ARID1A (15.4% vs. 5.7%, P = 0.04) and PBRM1 (10.1% vs. 0%, P = 0.003), as well as MCL1 amplifications (17.0% vs. 5.7%, P = 0.03), while GBC showed higher frequencies of TP53 alterations (78.6% vs. 47.9%, P < 0.001), ARID2 (15.7% vs. 3.7%, P = 0.002), TERT (24.3% vs. 11.2%, P = 0.02), CCNE1 amplifications (21.4% vs. 2.7%, P < 0.001), and SOX2 amplifications (4.3% vs. 0%, P = 0.02). GBC also exhibited an enrichment of alterations in the DNA damage response (DDR) (84.3% vs. 71.3%, P = 0.04) and p53 signaling (88.6% vs. 59.6%, P < 0.001) pathways. Additionally, 39.9% of patients with BTC harbored at least one actionable genomic alteration. Germline variants were detected in 7.0% (18/258) of patients, with the majority occurring in DDR (61.1%) and p53 (22.2%) pathways. Comparisons with the MSKCC cohort revealed similar genomic features and alterations. Patients with CCA exhibited significantly longer overall survival (OS) than patients with GBC (median OS, 41.2 vs. 24.3 months, P = 0.003). In the MSKCC cohort, high tumor mutational burden (TMB-H

Indexed as

Bile Duct NeoplasmsCholangiocarcinomaGallbladder NeoplasmsAdultAgedFemaleGenomicsHigh-Throughput Nucleotide SequencingHumansMaleMiddle AgedMutationPrognosisRetrospective StudiesBiliary tract carcinomaCholangiocarcinomaGallbladder cancerGenetic profilingPrognostic biomarkers

Identifiers

PMID42259884
PMCPMC13490447

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.