Evidence map›Paper›PMID 28404926›Full record

ArticleOncotarget2017

Association of tumor TROP2 expression with prognosis varies among lung cancer subtypes.

Kentaro Inamura, Yusuke Yokouchi, Maki Kobayashi, Hironori Ninomiya, Rie Sakakibara, Sophia Subat, Hiroko Nagano, Kimie Nomura, Sakae Okumura, Tomoko Shibutani and 1 more

Open access · diamondAbstract read
In one paragraph

Article in Oncotarget, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 81 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
81citing papers in PubMed, 3 pooled it
2.2field-weighted citation impact, top 10% 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

81 citing papers in PubMed, 3 syntheses or guidelines pooled it, 110 citations in OpenAlex.

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  3. [Clinical Progress and Prospects of Antibody-drug Conjugates in Advanced NSCLC].Zhongguo fei ai za zhi = Chinese journal of lung cancer · 2025
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  7. ADC Target Profiling in NSCLC: Generalizable AI Separates TROP-2 and cMET Phenotypes.Clinical cancer research : an official journal of the American Association for Cancer Research · 2026
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21 more citing papers are in PubMed but not listed here.

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

11 authors at 4 institutions in 1 country.

Kentaro InamuraDivision of Pathology, The Cancer Institute; Department of Pathology, The Cancer Institute Hospital, Japanese Foundation for Cancer Research, Koto-ku, Tokyo 135-8550, Japan.
Yusuke YokouchiTranslational Medicine & Clinical Pharmacology Department, Daiichi Sankyo Co., Ltd., Shinagawa-ku, Tokyo 140-0005, Japan.
Maki KobayashiDivision of Pathology, The Cancer Institute; Department of Pathology, The Cancer Institute Hospital, Japanese Foundation for Cancer Research, Koto-ku, Tokyo 135-8550, Japan.
Hironori NinomiyaDivision of Pathology, The Cancer Institute; Department of Pathology, The Cancer Institute Hospital, Japanese Foundation for Cancer Research, Koto-ku, Tokyo 135-8550, Japan.
Rie SakakibaraDivision of Pathology, The Cancer Institute; Department of Pathology, The Cancer Institute Hospital, Japanese Foundation for Cancer Research, Koto-ku, Tokyo 135-8550, Japan.
Sophia SubatDivision of Pathology, The Cancer Institute; Department of Pathology, The Cancer Institute Hospital, Japanese Foundation for Cancer Research, Koto-ku, Tokyo 135-8550, Japan.
Hiroko NaganoDivision of Pathology, The Cancer Institute; Department of Pathology, The Cancer Institute Hospital, Japanese Foundation for Cancer Research, Koto-ku, Tokyo 135-8550, Japan.
Kimie NomuraDivision of Pathology, The Cancer Institute; Department of Pathology, The Cancer Institute Hospital, Japanese Foundation for Cancer Research, Koto-ku, Tokyo 135-8550, Japan.
Sakae OkumuraThoracic Oncology Center, The Cancer Institute Hospital, Japanese Foundation for Cancer Research, Koto-ku, Tokyo 135-8550, Japan.
Tomoko ShibutaniTranslational Medicine & Clinical Pharmacology Department, Daiichi Sankyo Co., Ltd., Shinagawa-ku, Tokyo 140-0005, Japan.
Yuichi IshikawaDivision of Pathology, The Cancer Institute; Department of Pathology, The Cancer Institute Hospital, Japanese Foundation for Cancer Research, Koto-ku, Tokyo 135-8550, Japan.
Japanese Foundation For Cancer Research · JPThe Cancer Institute Hospital · JPDaiichi-Sankyo (Japan) · JPTokyo Medical and Dental University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

TROP2 is a transmembrane glycoprotein that is overexpressed in various cancers. Emerging evidence suggests that TROP2-targeting therapies are efficacious and safe in patients with multiple prior treatments. TROP2 is a promising target for lung cancer treatment; however, little is known regarding the association of TROP2 expression with clinicopathological/molecular features, including prognosis, in lung cancer. We examined consecutive cases of adenocarcinoma, squamous cell carcinoma (SqCC), and high-grade neuroendocrine tumor (HGNET) for the membranous expression of TROP2 using immunohistochemistry. High TROP2 expression was observed in 64% (172/270) of adenocarcinomas, 75% (150/201) of SqCCs, and 18% (21/115) of HGNETs. Intriguingly, the association of TROP2 expression with mortality was dependent on the lung cancer subtype. High TROP2 expression was associated with higher lung cancer-specific mortality in adenocarcinomas [univariable hazard ratio (HR) = 1.60, 95% confidence interval (CI) = 1.07-2.44, P = 0.022)], but not in SqCCs (univariable HR = 0.79, 95% CI = 0.35-1.94, P = 0.79). In HGNETs, high TROP2 expression was associated with lower lung cancer-specific mortality in both univariable and multivariable analyses (multivariable HR = 0.13, 95% CI = 0.020-0.44, P = 0.0003). Our results suggest a differential role for TROP2 in different lung cancer subtypes.

Indexed as

AdenocarcinomaAntigens, NeoplasmBiomarkers, TumorCarcinoma, Squamous CellCell Adhesion MoleculesCell Line, TumorFemaleGene Expression Regulation, NeoplasticHumansImmunohistochemistryLung NeoplasmsMaleMiddle AgedMolecular Targeted TherapyNeuroendocrine TumorsPrognosisAntigens, NeoplasmBiomarkers, TumorCell Adhesion MoleculesTACSTD2 protein, humanantibody-drug conjugatelung cancermolecular targeted therapyoutcomeTROP2

Identifiers

PMID28404926
PMCPMC5438686
OpenAlexW2590751956

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LicenceCC BY
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Registered trials

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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.