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pmid:36823639

Identification of critical prognosis signature associated with lymph node metastasis of stomach adenocarcinomas.

Xiaohui Wang · Wei Zhang · Yulin Guo · Yifei Zhang · Xiaofeng Bai · Yibin Xie

World journal of surgical oncology · 2023 doi:10.1186/s12957-023-02940-y

Paper

complete

Experiment

complete

Data

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Analysis

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Execution

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Record details sci_version · id · kind · revision · content_hash · schema · created_at · updated_at · generator
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pmid:36823639
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science-record
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2026-11-01T19:01:26Z
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2026-11-01T22:08:53Z
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title
Identification of critical prognosis signature associated with lymph node metastasis of stomach adenocarcinomas.
doi
10.1186/s12957-023-02940-y
pmid
36823639
authors array · 6 items
[0]
Xiaohui Wang
[1]
Wei Zhang
[2]
Yulin Guo
[3]
Yifei Zhang
[4]
Xiaofeng Bai
[5]
Yibin Xie
journal
World journal of surgical oncology
year
2023
abstract
Lymph node metastasis (LNM) is an important factor affecting the prognosis of patients with gastric adenocarcinoma (STAD), which is the most common malignancy of the human digestive system. Current detection techniques have limited sensitivity and specificity, and there is a lack of effective biomarkers to screen for LNM. Therefore, it is critical to screen for biomarkers that predict LNM in STAD. Gene expression differential analysis (false discovery rate < 0.05, |log2Fold change| ≥1.5) was performed on 102 LNM samples, 224 non-LNM samples, and 29 normal gastric tissue samples from The Cancer Genome Atlas (TCGA) STAD dataset, and 269 LNM-specific genes (DEGs) were obtained. Enrichment analysis showed that LNM-specific genes functioned mainly in cytokine-cytokine receptor interactions, calcium signaling, and other pathways. Ten DEGs significantly associated with overall survival in STAD patients were screened by multivariate Cox regression, and an LNM-based 10-mRNA prognostic signature was established (Logrank P < 0.0001). This 10-mRNA signature was well predicted in both the TCGA training set and the Gene Expression Omnibus validation dataset (GSE84437) and was associated with survival in patients with LNM or advanced-stage STAD. Using Kaplan-Meier survival, receiver operating characteristic curve, C-index analysis, and decision curve analysis, the 10-mRNA signature was found to be a more effective predictor of prognosis in STAD patients than the other two reported models (P < 0.0005). Protein-protein interaction network and gene set enrichment analysis of the 10-mRNA signature revealed that the signature may affect the expression of multiple biological pathways and related genes. Finally, the expression levels of prognostic genes in STAD tissues and cell lines were verified using qRT-PCR, Western blot, and the Human Protein Atlas database. Taken together, the prognostic signature constructed in this study may become an indicator for clinical prognostic assessment of LNM-STAD and provide a new strategy for future targeted therapy.
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Then, multivariate COX regression analysis was conducted using a bivariate stepwise regression method to screen out genes associated with the prognosis of STAD patients, and risk scores (RS) were calculated according to the following formula.
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sections[5] "Construction and evaluation of prognostic signature" paragraph 2
quote
Then, multivariate COX regression analysis was conducted using a bivariate stepwise regression method to screen out genes associated with the prognosis of STAD patients, and risk scores (RS) were calculated according to the following formula.
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The TCGA and GEO belong to public databases. The patients involved in the database have obtained ethical approval. Users can download relevant data for free for research and publish relevant articles. Our study is based on open-source data, so there are no ethical issues and other conflicts of interest.
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sections[28] "Availability of data and materials" paragraph 2
quote
The TCGA and GEO belong to public databases. The patients involved in the database have obtained ethical approval. Users can download relevant data for free for research and publish relevant articles. Our study is based on open-source data, so there are no ethical issues and other conflicts of interest.
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A 10-mRNA prognostic signature was well validated in the TCGA training set and the GSE84437 validation dataset and was a more effective predictor of prognosis in STAD patients than two previously reported models (P < 0.0005).
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Using Kaplan-Meier survival, receiver operating characteristic curve, C-index analysis, and decision curve analysis, the 10-mRNA signature was found to be a more effective predictor of prognosis in STAD patients than the other two reported models (P < 0.0005).
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sections[0] "Abstract" paragraph 1
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This 10-mRNA signature was well predicted in both the TCGA training set and the Gene Expression Omnibus validation dataset (GSE84437) and was associated with survival in patients with LNM or advanced-stage STAD.
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sections[0] "Abstract" paragraph 1
quote
Using Kaplan-Meier survival, receiver operating characteristic curve, C-index analysis, and decision curve analysis, the 10-mRNA signature was found to be a more effective predictor of prognosis in STAD patients than the other two reported models (P < 0.0005).
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A 10-mRNA prognostic signature was well validated in the TCGA training set and the GSE84437 validation dataset and was a more effective predictor of prognosis in STAD patients than two previously reported models (P < 0.0005).
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The TCGA and GEO belong to public databases. The patients involved in the database have obtained ethical approval. Users can download relevant data for free for research and publish relevant articles. Our study is based on open-source data, so there are no ethical issues and other conflicts of interest.
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[482]
GSM4419533
sample_count
483
group_sizes
null
group_sizes_basis
null
platform
6947
taxon
Homo sapiens
title
Molecular subtypes in gastric cancer.
resolution_checked_at
2026-11-01T15:39:55Z
resolution_check
identifier_resolution_only_no_download_no_licence_read
downloaded
false
licence_read
false
gaps array · 2 items
[0]
asset:data:geo:GSE84437 not downloaded
[1]
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state
complete
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id
method-1
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survival_analysis
specific
cox_proportional_hazards
label
Survival analysis
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[0]
cox_ph
missing_operations array · 0 items
parameters object · 0 fields
data_shapes array · 1 item
[0]
time_to_event_with_censoring
evidence object · 3 fields
score
1
band
verbatim
quote
Then, multivariate COX regression analysis was conducted using a bivariate stepwise regression method to screen out genes associated with the prognosis of STAD patients, and risk scores (RS) were calculated according to the following formula.
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id
method-2
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survival_analysis
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kaplan_meier
label
Survival analysis
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[0]
survival_km
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parameters object · 0 fields
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[0]
time_to_event_with_censoring
evidence object · 3 fields
score
0.7
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medium
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Kaplan-Meier
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id
method-3
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survival_analysis
specific
log_rank_test
label
Survival analysis
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[0]
logrank_test
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parameters object · 0 fields
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[0]
time_to_event_with_censoring
evidence object · 3 fields
score
0.7
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[3] object · 10 fields
id
method-4
family
network_analysis
specific
ppi_network
label
Network / pathway analysis
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[0]
build_graph
[1]
centrality_scores
[2]
pathway_enrich
missing_operations array · 0 items
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edge_list
evidence object · 3 fields
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0.7
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[4] object · 10 fields
id
method-5
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network_analysis
specific
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label
Network / pathway analysis
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[0]
pathway_enrich
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evidence object · 3 fields
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0.8
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id
method-6
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model_calibration
specific
decision_curve
label
Model calibration / clinical utility
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[0]
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[1]
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missing_operations array · 0 items
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[0]
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evidence object · 3 fields
score
0.7
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medium
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decision curve analysis
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[0] object · 8 fields
id
target-published-estimate
claim_id
claim-target-result
operation
build_graph
unit
p-value
tolerance
null
state
complete
note
The threshold the paper applied to its own result, as the paper states it. A run that reproduces the effect is judged against this threshold.
gaps array · 0 items
capability object · 3 fields
state
complete
requirements array · 1 item
[0] object · 6 fields
capability_id
capability:computational_analysis
label
Computational analysis platform
assay_families array · 9 items
[0]
meta_analysis
[1]
machine_learning
[2]
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[3]
statistical_regression
[4]
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[5]
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[6]
network_analysis
[7]
differential_expression
[8]
gwas
candidate
Automated Assays Laravel application and simulated adapters
gaps array · 0 items
readiness object · 8 fields
state
complete
tier
R1
blocked_on
nothing:replicable_now
axes object · 3 fields
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tier
R1
expressible
true
required_operations array · 1 item
[0]
cox_ph
missing_operations array · 0 items
basis
The paper names the method it used and the corpus's method extractor maps it onto the DSL catalogue: cox_proportional_hazards.
capability object · 4 fields
tier
R1
capability_id
capability:computational_analysis
availability_state
owned
basis
The computational analysis is owned. The physical bench the paper used is not, so a physical validation cannot be run here.
data object · 6 fields
tier
R1
reachable
true
accessions array · 1 item
[0]
GSE84437
resolved_accessions array · 1 item
[0]
GSE84437
statements array · 1 item
[0]
The TCGA and GEO belong to public databases. The patients involved in the database have obtained ethical approval. Users can download relevant data for free for research and publish relevant articles. Our study is based on open-source data, so there are no ethical issues and other conflicts of interest.
basis
The paper names GSE84437 in Gene Expression Omnibus (GEO) and the accession resolves in the repository. No dataset was downloaded and no licence was read.
can_run object · 3 fields
dsl_operations array · 1 item
[0]
cox_ph
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[0]
source:pmid:36823639
[1]
data:geo:GSE84437
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[0]
run_analysis
must_build object · 5 fields
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data_gaps array · 1 item
[0]
data:geo:GSE84437
gaps array · 0 items
review object · 5 fields
state
partial
machine_critique object · 5 fields
kind
extraction_review
reader object · 5 fields
model
MiniMax-M3.1-Flash
provider
minimax
provider_family
minimax
read_at
2026-11-01T18:28:47Z
independence
single_reader
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verbatim
availability
verbatim
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5
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14620
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1244
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256
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[0] object · 4 fields
id
extraction
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complete
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MiniMax-M3.1-Flash
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minimax
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[1]
review.machine_critique
[2]
review.human_critique
execution object · 5 fields
state
absent
status
not_run
mode
null
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execution.not_run
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id
pmid:36823639
type
paper
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pmid:36823639
[1] object · 3 fields
id
source:pmid:36823639
type
manuscript
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PMID 36823639 full text
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id
data:geo:GSE84437
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dataset
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GEO GSE84437
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[0] object · 4 fields
id
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type
classification
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type
paper
label
pmid:36823639
[1] object · 3 fields
id
source:pmid:36823639
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manuscript
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PMID 36823639 full text
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id
data:geo:GSE84437
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dataset
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GEO GSE84437
agent
agent:corpus-assay-engine
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extraction
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agent
agent:minimax-reader
[2] object · 4 fields
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activity-resolve-GSE84437
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accession_resolution
used array · 1 item
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agent:corpus-assay-engine
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agent:corpus-assay-engine
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software
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Corpus assay engine
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agent:minimax-reader
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343fb30756ba6ec3
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lineage object · 4 fields
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pmid:36823639
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sha256:067239c6d2e1e91908e625ee115cabbc2113b2a0e71137d5f45e4f6fa43288e0
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[0]
and cell lines were verified using qRT-PCR, Western blot, and the Human Protein Atlas database. Taken
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paper_text_order:1891
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ll Biology, Chinese Academy of Sciences. The cell lines were cultured in Dulbecco’s modified Eagle medium (DMEM; I
[1]
ese Academy of Sciences. The cell lines were cultured in Dulbecco’s modified Eagle medium (DMEM; Invi
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paper_text_order:2914
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Then, multivariate COX regression analysis was conducted using a bivariate stepwise regression method to screen out genes associated with the prognosis of STAD patients, and risk scores (RS) were calculated according to the following formula.
order_basis
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Complete file
{"sci_version": "1.2", "schema": "https://corpus.bntrg.co.uk/sci/1.0/sci.schema.json", "id": "pmid:36823639", "kind": "science-record", "revision": 3, "content_hash": "sha256:5831883699c491f761917ec49774e45b6d97c7416bdcb929277ac208e463dc01", "created_at": "2026-11-01T19:01:26Z", "updated_at": "2026-11-01T22:08:53Z", "generator": {"name": "corpus-assay-engine", "run_id": "reading-sci-2026-11-01"}, "paper": {"state": "complete", "title": "Identification of critical prognosis signature associated with lymph node metastasis of stomach adenocarcinomas.", "doi": "10.1186/s12957-023-02940-y", "pmid": "36823639", "authors": ["Xiaohui Wang", "Wei Zhang", "Yulin Guo", "Yifei Zhang", "Xiaofeng Bai", "Yibin Xie"], "journal": "World journal of surgical oncology", "year": 2023, "abstract": "Lymph node metastasis (LNM) is an important factor affecting the prognosis of patients with gastric adenocarcinoma (STAD), which is the most common malignancy of the human digestive system. Current detection techniques have limited sensitivity and specificity, and there is a lack of effective biomarkers to screen for LNM. Therefore, it is critical to screen for biomarkers that predict LNM in STAD. Gene expression differential analysis (false discovery rate < 0.05, |log2Fold change| ≥1.5) was performed on 102 LNM samples, 224 non-LNM samples, and 29 normal gastric tissue samples from The Cancer Genome Atlas (TCGA) STAD dataset, and 269 LNM-specific genes (DEGs) were obtained. Enrichment analysis showed that LNM-specific genes functioned mainly in cytokine-cytokine receptor interactions, calcium signaling, and other pathways. Ten DEGs significantly associated with overall survival in STAD patients were screened by multivariate Cox regression, and an LNM-based 10-mRNA prognostic signature was established (Logrank P < 0.0001). This 10-mRNA signature was well predicted in both the TCGA training set and the Gene Expression Omnibus validation dataset (GSE84437) and was associated with survival in patients with LNM or advanced-stage STAD. Using Kaplan-Meier survival, receiver operating characteristic curve, C-index analysis, and decision curve analysis, the 10-mRNA signature was found to be a more effective predictor of prognosis in STAD patients than the other two reported models (P < 0.0005). Protein-protein interaction network and gene set enrichment analysis of the 10-mRNA signature revealed that the signature may affect the expression of multiple biological pathways and related genes. Finally, the expression levels of prognostic genes in STAD tissues and cell lines were verified using qRT-PCR, Western blot, and the Human Protein Atlas database. Taken together, the prognostic signature constructed in this study may become an indicator for clinical prognostic assessment of LNM-STAD and provide a new strategy for future targeted therapy.", "claims": [{"id": "claim-method", "statement": "Then, multivariate COX regression analysis was conducted using a bivariate stepwise regression method to screen out genes associated with the prognosis of STAD patients, and risk scores (RS) were calculated according to the following formula.", "kind": "methodological", "target": null, "evidence": [{"asset": "source:pmid:36823639", "locator": "sections[5] \"Construction and evaluation of prognostic signature\" paragraph 2", "quote": "Then, multivariate COX regression analysis was conducted using a bivariate stepwise regression method to screen out genes associated with the prognosis of STAD patients, and risk scores (RS) were calculated according to the following formula."}], "state": "complete"}, {"id": "claim-data-access", "statement": "The TCGA and GEO belong to public databases. 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