Evidence map›Paper›PMID 28263317›Full record

ArticleNature genetics2017

Identification of methylation haplotype blocks aids in deconvolution of heterogeneous tissue samples and tumor tissue-of-origin mapping from plasma DNA.

Shicheng Guo, Dinh Diep, Nongluk Plongthongkum, Ho-Lim Fung, Kang Zhang, Kun Zhang

8 registry-linked trialsAbstract read
In one paragraph

Article in Nature genetics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 8 registered trials, which are not on this map. Cited by 309 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
309citing papers in PubMed, 2 pooled it
–field-weighted citation impact
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.

NCT05224596 unknown statusnot on this mapstarted 2021, after this paper: background citation

Gastric Cancer Detection by Liquid Biopsy in Peripheral Blood: A Prospective Study

TypeobservationalSponsorShanghai Zhongshan HospitalRan2021 to 2022Enrolled498ConditionsCancerArmsBlood draw and blood-based biomarkers analyses
NCT05336058 completednot on this mapstarted 2022, after this paper: background citation

A Case-control, Non-intervention Study for Gastric Cancer Screening

TypeobservationalSponsorSinglera Genomics Inc.Ran2022 to 2024Enrolled1,140ConditionsStomach CancerArmsNo intervention
NCT05336539 recruitingnot on this mapstarted 2022, after this paper: background citation

A Community Population Screening Cohort Study Based on Polygene Methylation Detection for Colorectal Cancer in Yangzhou

TypeobservationalSponsorSinglera Genomics Inc.Ran2022 to 2027Enrolled80,000ConditionsColorectal Cancer
NCT05347524 recruitingnot on this mapstarted 2022, after this paper: background citation

Detection of Peritoneal Metastasis of Gastric Cancer by Liquid Biopsy in Peripheral Blood: A Prospective Study

TypeobservationalSponsorShanghai Zhongshan HospitalRan2022 to 2030Enrolled384ConditionsCancerArmsBaseline blood draw and blood-based biomarkers analyses
NCT05431621 completednot on this mapstarted 2020, after this paper: background citation

Establishment of Molecular Classification Models for Early Diagnosis of Digestive System Cancers

TypeobservationalSponsorShanghai Zhongshan HospitalRan2020 to 2023Enrolled2,430ConditionsEsophageal Cancer, Gastric (Stomach) Cancer, Colorectal Cancer, Hepatocellular Carcinoma
NCT05485077 recruitingnot on this mapstarted 2022, after this paper: background citation

Colorectal Cancer Screening Cohort Study in Shougang Community Population Based on Polygene Methylation Detection Technology

TypeobservationalSponsorSinglera Genomics Inc.Ran2022 to 2028Enrolled18,000ConditionsColorectal Cancer
NCT05495685 unknown statusnot on this mapstarted 2022, after this paper: background citation

Pancreatic Cancer Detection by Liquid Biopsy in Peripheral Blood: A Prospective Study

TypeobservationalSponsorChanghai HospitalRan2022 to 2024Enrolled450ConditionsCancer
NCT05556603 recruitingnot on this mapstarted 2022, after this paper: background citation

Pancreatic Cancer Detection by Liquid Biopsy in Peripheral Blood: A Prospective Study

TypeobservationalSponsorRuijin HospitalRan2022 to 2029Enrolled7,062ConditionsCancer
3 · Its place in the literature

Who cites it

309 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
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  11. A Noninvasive Circulating Tumor DNA Methylation Classifier to Identify Benign Pulmonary Nodules.Clinical cancer research : an official journal of the American Association for Cancer Research · 2026
    Article
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  19. Toxicology reports · 2026
    Article
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249 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors.

Shicheng GuoDepartment of Bioengineering, University of California at San Diego, La Jolla, California, USA.
Dinh DiepDepartment of Bioengineering, University of California at San Diego, La Jolla, California, USA.
Nongluk PlongthongkumDepartment of Bioengineering, University of California at San Diego, La Jolla, California, USA.
Ho-Lim FungDepartment of Bioengineering, University of California at San Diego, La Jolla, California, USA.
Kang ZhangInstitute for Genomic Medicine, University of California at San Diego, La Jolla, California, USA.
Kun ZhangDepartment of Bioengineering, University of California at San Diego, La Jolla, California, USA.

Funding

VIRAL MALIGNANCYP30CA023100 · NCI · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI DIANE M SIMEONE · 1985 to 2026
$124.9M
Genome-methylome InteractionsR01GM097253 · NIGMS · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI ZHANG, KUN · 2011 to 2014
$1.4M
NCI NIH HHS P30 CA023100NIGMS NIH HHS R01 GM097253
6 · The paper itself

Abstract

Adjacent CpG sites in mammalian genomes can be co-methylated owing to the processivity of methyltransferases or demethylases, yet discordant methylation patterns have also been observed, which are related to stochastic or uncoordinated molecular processes. We focused on a systematic search and investigation of regions in the full human genome that show highly coordinated methylation. We defined 147,888 blocks of tightly coupled CpG sites, called methylation haplotype blocks, after analysis of 61 whole-genome bisulfite sequencing data sets and validation with 101 reduced-representation bisulfite sequencing data sets and 637 methylation array data sets. Using a metric called methylation haplotype load, we performed tissue-specific methylation analysis at the block level. Subsets of informative blocks were further identified for deconvolution of heterogeneous samples. Finally, using methylation haplotypes we demonstrated quantitative estimation of tumor load and tissue-of-origin mapping in the circulating cell-free DNA of 59 patients with lung or colorectal cancer.

Indexed as

Chromosome MappingCpG IslandsDNADNA MethylationGenome, HumanHaplotypesHigh-Throughput Nucleotide SequencingHumansSequence Analysis, DNADNA

Identifiers

PMID28263317
PMCPMC5374016

What OpenQuestion holds

Textmetadata
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Read underepoch 390

Registered trials

and 2 more above

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.