Evidence map›Paper›PMID 30439350›Full record

ArticleExperimental and molecular pathology2019

TKS5-positive invadopodia-like structures in human tumor surgical specimens.

Yu-Chuan Chen, Matthew Baik, Joshua T Byers, Kathryn T Chen, Samuel W French, Begoña Díaz

Open access · greenAbstract read
In one paragraph

Article in Experimental and molecular pathology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
2.1field-weighted citation impact, top 13% 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

23 citing papers in PubMed, 37 citations in OpenAlex.

  1. Review
  2. E-Cadherin Is a Structuring Component of Invadopodia in Pancreatic Cancer.Journal of cellular and molecular medicine · 2025
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  16. Tissue remodeling by invadosomes.Faculty reviews · 2021
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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

6 authors at 2 institutions in 1 country.

Yu-Chuan ChenDivision on Medical Oncology Hematology, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA, USA.
Matthew BaikDivision on Medical Oncology Hematology, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA, USA.
Joshua T ByersDepartment of Pathology, Harbor-UCLA Medical Center, Torrance, CA, USA.
Kathryn T ChenDepartment of Surgery, Harbor-UCLA Medical Center, Torrance, CA, USA; David Geffen School of Medicine at UCLA, Los Angeles, CA, USA.
Samuel W FrenchDepartment of Pathology, Harbor-UCLA Medical Center, Torrance, CA, USA; David Geffen School of Medicine at UCLA, Los Angeles, CA, USA.
Begoña DíazDivision on Medical Oncology Hematology, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA, USA; David Geffen School of Medicine at UCLA, Los Angeles, CA, USA; Jonsson Comprehensive Cancer Center, UCLA, Los Angeles, CA, USA. Electronic address: bdiaz@labiomed.org.
Harbor–UCLA Medical Center · USThe Lundquist Institute · US

Funding

UCLA Clinical Translational Science InstituteUL1TR001881 · NCATS · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI ARLEEN F. BROWN, ARASH NAEIM · 2016 to 2026
$118.1M
NCATS NIH HHS UL1 TR001881
6 · The paper itself

Abstract

Invadopodia, cancer cell protrusions with proteolytic activity, are functionally associated with active remodeling of the extracellular matrix. Here, we show that the invadopodia-related protein TKS5 is expressed in human pancreatic adenocarcinoma lines, and demonstrate that pancreatic cancer cells depend on TKS5 for invadopodia formation and function. Immunofluorescence staining of human pancreatic cancer cells reveals that TKS5 is a marker of mature and immature invadopodia. We also analyze the co-staining patterns of TKS5 and the commonly used invadopodia marker Cortactin, and find only partial co-localization of these two proteins at invadopodia, with a large fraction of TKS5-positive invadopodia lacking detectable levels of Cortactin. Whereas compelling evidence exist on the role of invadopodia as mediators of invasive migration in cultured cells and in animal models of cancer, these structures have never been detected inside human tumors. Here, using antibodies against TKS5 and Cortactin, we describe for the first time structures strongly resembling invadopodia in various paraffin-embedded human tumor surgical specimens from pancreas and other organs. Our results strongly suggest that invadopodia are present inside human tumors, and warrants further investigation on their regulation and occurrence in surgical specimens, and on the value of TKS5 antibodies as pathological research and diagnostic tools.

Indexed as

Adaptor Proteins, Vesicular TransportAdenocarcinomaAdultAgedCell Line, TumorCortactinFemaleFluorescent Antibody Technique, DirectHumansMaleMiddle AgedNeoplasm InvasivenessNeoplasm ProteinsNeoplasmsPancreatic NeoplasmsParaffin EmbeddingAdaptor Proteins, Vesicular TransportCortactinCTTN protein, humanNeoplasm ProteinsRNA, Small InterferingSH3PXD2A protein, humanCancerCortactinInvadopodiaTKS5Tumor Pathology

Identifiers

PMID30439350
PMCPMC6368464
OpenAlexW2901183879

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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.