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Molecular Subgroups of Intrahepatic Cholangiocarcinoma Discovered by Single-Cell RNA Sequencing–Assisted Multiomics Analysis

Overview of attention for article published in Cancer Immunology Research, May 2022
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  • Above-average Attention Score compared to outputs of the same age (60th percentile)

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Title
Molecular Subgroups of Intrahepatic Cholangiocarcinoma Discovered by Single-Cell RNA Sequencing–Assisted Multiomics Analysis
Published in
Cancer Immunology Research, May 2022
DOI 10.1158/2326-6066.cir-21-1101
Pubmed ID
Authors

Xuanwen Bao, Qiong Li, Jinzhang Chen, Diyu Chen, Chanqi Ye, Xiaomeng Dai, Yanfang Wang, Xin Li, Xiaoxiang Rong, Fei Cheng, Ming Jiang, Zheng Zhu, Yongfeng Ding, Rui Sun, Chuan Liu, Lingling Huang, Yuzhi Jin, Bin Li, Juan Lu, Wei Wu, Yixuan Guo, Wenguang Fu, Sarah Raye Langley, Vincent Tano, Weijia Fang, Tiannan Guo, Jianpeng Sheng, Peng Zhao, Jian Ruan

Abstract

Intrahepatic cholangiocarcinoma (ICC) is a relatively rare but highly aggressive tumor type that responds poorly to chemotherapy and immunotherapy. Comprehensive molecular characterization of ICC is essential for the development of novel therapeutics. Here, we constructed two independent cohorts from two clinic centers. A comprehensive multi-omics analysis of ICC via proteomic, whole-exome sequencing (WES), and single-cell RNA sequencing (scRNA-seq) was performed. Novel ICC tumor subtypes were derived in the training cohort (n=110) using proteomic signatures and their associated activated pathways, which was further validated in a validation cohort (n=41). Three molecular subtypes, chromatin remodeling, metabolism, and chronic inflammation, with distinct prognoses in ICC were identified. The chronic inflammation subtype associated with a poor prognosis. Our random forest algorithm revealed that mutation of lysine methyltransferase 2D (KMT2D) frequently occurred in the metabolism subtype and associated with lower inflammatory activity. scRNA-seq further identified an APOE+C1QB+ macrophage subtype, which showed the capacity to reshape the chronic inflammation subtype and contribute to a poor prognosis in ICC. Altogether, with single-cell transcriptome-assisted multi-omics analysis, we identified novel molecular subtypes of ICC and validated APOE+C1QB+ tumor-associated macrophages (TAMs) as potential immunotherapy targets against ICC.

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Attention Score in Context

This research output has an Altmetric Attention Score of 3. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 03 June 2022.
All research outputs
#12,170,641
of 21,468,133 outputs
Outputs from Cancer Immunology Research
#832
of 1,327 outputs
Outputs of similar age
#115,036
of 295,818 outputs
Outputs of similar age from Cancer Immunology Research
#22
of 31 outputs
Altmetric has tracked 21,468,133 research outputs across all sources so far. This one is in the 42nd percentile – i.e., 42% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,327 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 10.4. This one is in the 36th percentile – i.e., 36% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 295,818 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 60% of its contemporaries.
We're also able to compare this research output to 31 others from the same source and published within six weeks on either side of this one. This one is in the 29th percentile – i.e., 29% of its contemporaries scored the same or lower than it.