Evidence map›Paper›PMID 32676329›Full record

ArticleTranslational lung cancer research2020

Integrated analysis of optical mapping and whole-genome sequencing reveals intratumoral genetic heterogeneity in metastatic lung squamous cell carcinoma.

Yizhou Peng, Chongze Yuan, Xiaoting Tao, Yue Zhao, Xingxin Yao, Lingdun Zhuge, Jianwei Huang, Qiang Zheng, Yue Zhang, Hui Hong and 2 more

Open access · diamondAbstract read
In one paragraph

Article in Translational lung cancer research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
0.9field-weighted citation impact, top 32% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

14 citing papers in PubMed, 16 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 3 institutions in 1 country.

Yizhou PengDepartment of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China.
Chongze YuanDepartment of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China.
Xiaoting TaoDepartment of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China.
Yue ZhaoDepartment of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China.
Xingxin YaoDepartment of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China.
Lingdun ZhugeDepartment of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China.
Jianwei HuangBerry Genomics Corporation, Beijing 100015, China.
Qiang ZhengDepartment of Oncology, Shanghai Medical College, Fudan University, Shanghai 200032, China.
Yue ZhangBerry Genomics Corporation, Beijing 100015, China.
Hui HongDepartment of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China.
Haiquan ChenDepartment of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China.
Yihua SunDepartment of Thoracic Surgery, Fudan University Shanghai Cancer Center, Shanghai 200032, China.
Fudan University Shanghai Cancer Center · CNShanghai Medical College of Fudan University · CNBerry Oncology (China) · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIntratumoral heterogeneity is a crucial factor to the outcome of patients and resistance to therapies, in which structural variants play an indispensable but undiscovered role.

methodsWe performed an integrated analysis of optical mapping and whole-genome sequencing on a primary tumor (PT) and matched metastases including lymph node metastasis (LNM) and tumor thrombus in the pulmonary vein (TPV). Single nucleotide variants, indels and structural variants were analyzed to reveal intratumoral genetic heterogeneity among tumor cells in different sites.

resultsOur results demonstrated there were less nonsynonymous somatic variants shared with PT in LNM than in TPV, while there were more structural variants shared with PT in LNM than in TPV. More private variants and its affected genes associated with tumorigenesis and progression were identified in TPV than in LNM. It should be noticed that optical mapping detected an average of 77.1% (74.5-78.5%) large structural variants (>5,000 bp) not detected by whole-genome sequencing and identified several structural variants private to metastases.

conclusionsOur study does demonstrate structural variants, especially large structural variants play a crucial role in intratumoral genetic heterogeneity and optical mapping could make up for the deficiency of whole-genome sequencing to identify structural variants.

Indexed as

Heterogeneitylung squamous cell carcinoma (LUSC)metastasisoptical mappingstructural variants

Identifiers

PMID32676329
PMCPMC7354123
OpenAlexW3033933677

What OpenQuestion holds

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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.