Evidence map›Paper›PMID 33288884›Full record

ReviewOncogene2021

Nerve fibers in the tumor microenvironment in neurotropic cancer-pancreatic cancer and cholangiocarcinoma.

Xiuxiang Tan, Shivan Sivakumar, Jan Bednarsch, Georg Wiltberger, Jakob Nikolas Kather, Jan Niehues, Judith de Vos-Geelen, Liselot Valkenburg-van Iersel, Svetlana Kintsler, Anjali Roeth and 10 more

Open access · hybridAbstract readReview
In one paragraph

Review in Oncogene, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 74 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
74citing papers in PubMed, 1 pooled it
8.2field-weighted citation impact, top 2% 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

74 citing papers in PubMed, 1 synthesis or guideline pooled it, 112 citations in OpenAlex.

  1. Pooled it
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  5. Neuro-tumor interactions in peripheral tumors.Cancer metastasis reviews · 2026
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  19. Roles of Peripheral Nerves in Tumor Initiation and Progression.International journal of molecular sciences · 2025
    Review
  20. Review

14 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

20 authors at 5 institutions in 3 countries.

Xiuxiang TanDepartment of Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands.ORCID http://orcid.org/0000-0001-6782-9137
Shivan SivakumarDepartment of Oncology, University of Oxford, Oxford, UK.
Jan BednarschDepartment of General, Gastrointestinal, Hepatobiliary and Transplant Surgery, RWTH Aachen University Hospital, Aachen, Germany.
Georg WiltbergerDepartment of General, Gastrointestinal, Hepatobiliary and Transplant Surgery, RWTH Aachen University Hospital, Aachen, Germany.
Jakob Nikolas KatherDepartment of Medicine III, University Hospital RWTH Aachen, Aachen, Germany.
Jan NiehuesDepartment of Medicine III, University Hospital RWTH Aachen, Aachen, Germany.
Judith de Vos-GeelenDivision of Medical Oncology, Department of Internal Medicine, GROW School for Oncology and Development Biology, Maastricht University Medical Center, Maastricht, The Netherlands.ORCID http://orcid.org/0000-0003-2578-1766
Liselot Valkenburg-van IerselDivision of Medical Oncology, Department of Internal Medicine, GROW School for Oncology and Development Biology, Maastricht University Medical Center, Maastricht, The Netherlands.
Svetlana KintslerInstitute of Pathology, University Hospital RWTH Aachen, Aachen, Germany.
Anjali RoethDepartment of General, Gastrointestinal, Hepatobiliary and Transplant Surgery, RWTH Aachen University Hospital, Aachen, Germany.
Guangshan HaoTranslational Neurosurgery and Neurobiology, University Hospital RWTH Aachen, Aachen, Germany.
Sven LangDepartment of General, Gastrointestinal, Hepatobiliary and Transplant Surgery, RWTH Aachen University Hospital, Aachen, Germany.
Mariëlle E CoolsenDepartment of Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands.
Marcel den DulkDepartment of Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands.ORCID http://orcid.org/0000-0002-6161-161X
Merel R AberleNUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, The Netherlands.ORCID http://orcid.org/0000-0003-1990-1784
Jarne KoolenDepartment of Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands.ORCID http://orcid.org/0000-0002-3917-0467
Nadine T GaisaInstitute of Pathology, University Hospital RWTH Aachen, Aachen, Germany.ORCID http://orcid.org/0000-0002-4762-3964
Steven W M Olde DaminkDepartment of Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands.
Ulf P NeumannDepartment of Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands.
Lara R HeijDepartment of Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands. lheij@ukaachen.de.ORCID http://orcid.org/0000-0002-0602-3356
Maastricht University Medical Centre · NLRWTH Aachen University · DEMaastricht University · NLUniversitätsklinikum Aachen · DEUniversity of Oxford · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Pancreatic ductal adenocarcinoma (PDAC) and cholangiocarcinoma (CCA) are both deadly cancers and they share many biological features besides their close anatomical location. One of the main histological features is neurotropism, which results in frequent perineural invasion. The underlying mechanism of cancer cells favoring growth by and through the nerve fibers is not fully understood. In this review, we provide knowledge of these cancers with frequent perineural invasion. We discuss nerve fiber crosstalk with the main different components of the tumor microenvironment (TME), the immune cells, and the fibroblasts. Also, we discuss the crosstalk between the nerve fibers and the cancer. We highlight the shared signaling pathways of the mechanisms behind perineural invasion in PDAC and CCA. Hereby we have focussed on signaling neurotransmitters and neuropeptides which may be a target for future therapies. Furthermore, we have summarized retrospective results of the previous literature about nerve fibers in PDAC and CCA patients. We provide our point of view in the potential for nerve fibers to be used as powerful biomarker for prognosis, as a tool to stratify patients for therapy or as a target in a (combination) therapy. Taking the presence of nerves into account can potentially change the field of personalized care in these neurotropic cancers.

Indexed as

AdenocarcinomaCarcinoma, Pancreatic DuctalCholangiocarcinomaCombined Modality TherapyHumansNerve FibersPrognosisSignal TransductionTumor Microenvironment

Identifiers

PMID33288884
PMCPMC7862068
OpenAlexW3112258248

What OpenQuestion holds

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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.