Evidence map›Paper›PMID 26041736›Full record

ArticleCancer immunology research2015

Melanoma-Derived Wnt5a Promotes Local Dendritic-Cell Expression of IDO and Immunotolerance: Opportunities for Pharmacologic Enhancement of Immunotherapy.

Alisha Holtzhausen, Fei Zhao, Kathy S Evans, Masahito Tsutsui, Ciriana Orabona, Douglas S Tyler, Brent A Hanks

Open access · bronzeAbstract read
In one paragraph

Article in Cancer immunology research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 120 papers.

0numbers the graph read from it
0cells of the map it votes in
120citing papers in PubMed
4.8field-weighted citation impact, top 4% 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

120 citing papers in PubMed, 178 citations in OpenAlex.

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  9. Gut microbiota affects PD-L1 therapy and its mechanism in melanoma.Cancer immunology, immunotherapy : CII · 2025
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60 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

7 authors at 1 institution in 1 country.

Alisha HoltzhausenDepartment of Pharmacology and Cell Biology, Duke University Medical Center, Durham, North Carolina.
Fei ZhaoDepartment of Medicine, Division of Medical Oncology, Duke University Medical Center, Durham, North Carolina.
Kathy S EvansDepartment of Medicine, Division of Medical Oncology, Duke University Medical Center, Durham, North Carolina.
Masahito TsutsuiDepartment of Surgery, Division of Surgical Oncology, Duke University Medical Center, Durham, North Carolina.
Ciriana OrabonaDepartment of Experimental Medicine, Section of Pharmacology, University of Perugia, Perugia, Italy.
Douglas S TylerDepartment of Surgery, Division of Surgical Oncology, Duke University Medical Center, Durham, North Carolina.
Brent A HanksDepartment of Medicine, Division of Medical Oncology, Duke University Medical Center, Durham, North Carolina. brent.hanks@duke.edu.
Duke Medical Center · US

Funding

Women's Cancer Research ProgramP30CA014236 · NCI · DUKE UNIVERSITY · PI DONNA NIEDZWIECKI · 1985 to 2026
$174.8M
Melanoma-mediated Dendritic Cell Tolerization and Immune EvasionK08CA191063 · NCI · DUKE UNIVERSITY · PI HANKS, BRENT ALLEN · 2015 to 2019
$826k
NCI NIH HHS K08 CA191063NCI NIH HHS P30 CA014236
6 · The paper itself

Abstract

The β-catenin signaling pathway has been demonstrated to promote the development of a tolerogenic dendritic cell (DC) population capable of driving regulatory T-cell (Treg) differentiation. Further studies have implicated tolerogenic DCs in promoting carcinogenesis in preclinical models. The molecular mechanisms underlying the establishment of immune tolerance by this DC population are poorly understood, and the methods by which developing cancers can co-opt this pathway to subvert immune surveillance are currently unknown. This work demonstrates that melanoma-derived Wnt5a ligand upregulates the durable expression and activity of the indoleamine 2,3-dioxygenase-1 (IDO) enzyme by local DCs in a manner that depends upon the β-catenin signaling pathway. These data indicate that Wnt5a-conditioned DCs promote the differentiation of Tregs in an IDO-dependent manner, and that this process serves to suppress melanoma immune surveillance. We further show that the genetic silencing of the PORCN membrane-bound O-acyl transferase, which is necessary for melanoma Wnt ligand secretion, enhances antitumor T-cell immunity, and that the pharmacologic inhibition of this enzyme synergistically suppresses melanoma progression when combined with anti-CTLA-4 antibody therapy. Finally, our data suggest that β-catenin signaling activity, based on a target gene expression profile that includes IDO in human sentinel lymph node-derived DCs, is associated with melanoma disease burden and diminished progression-free survival. This work implicates the Wnt-β-catenin signaling pathway as a novel therapeutic target in the melanoma immune microenvironment and demonstrates the potential impact of manipulating DC function as a strategy for optimizing tumor immunotherapy.

Indexed as

AcyltransferasesAnimalsAntibodies, MonoclonalBenzeneacetamidesbeta CateninCell CommunicationCell Line, TumorCTLA-4 AntigenDendritic CellsDisease ProgressionHumansImmune ToleranceImmunotherapyIndoleamine-Pyrrole 2,3,-DioxygenaseLymph NodesMelanoma2-(4-(2-methylpyridin-4-yl)phenyl)-N-(4-(pyridin-3-yl)phenyl)acetamideAcyltransferasesAntibodies, MonoclonalBenzeneacetamidesbeta CateninCTLA-4 AntigenCTNNB1 protein, humanIndoleamine-Pyrrole 2,3,-DioxygenaseMembrane ProteinsPORCN protein, humanProto-Oncogene ProteinsPyridinesWnt-5a ProteinWNT5A protein, humanWnt Proteins

Identifiers

PMID26041736
PMCPMC4927300
OpenAlexW2118964372

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

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.