Evidence map›Paper›PMID 30423192›Full record

ArticleCancer2018

The antitumor effects of entinostat in ovarian cancer require adaptive immunity.

Haller J Smith, Tyler R McCaw, Angelina I Londono, Ashwini A Katre, Selene Meza-Perez, Eddy S Yang, Andres Forero, Donald J Buchsbaum, Troy D Randall, J Michael Straughn and 2 more

Open access · bronzeAbstract read
In one paragraph

Article in Cancer, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
1.1field-weighted citation impact, top 22% 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

21 citing papers in PubMed, 31 citations in OpenAlex.

  1. Trial
  2. Jump-starting the T cell response in established tumors.bioRxiv : the preprint server for biology · 2026
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

12 authors at 1 institution in 1 country.

Haller J SmithDivision of Gynecologic Oncology, University of Alabama at Birmingham, Birmingham, Alabama.
Tyler R McCawDivision of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, Alabama.
Angelina I LondonoDepartment of Radiation Oncology, University of Alabama at Birmingham, Birmingham, Alabama.
Ashwini A KatreDepartment of Radiation Oncology, University of Alabama at Birmingham, Birmingham, Alabama.
Selene Meza-PerezDivision of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, Alabama.
Eddy S YangDepartment of Radiation Oncology, University of Alabama at Birmingham, Birmingham, Alabama.
Andres ForeroDivision of Hematology and Oncology, University of Alabama at Birmingham, Birmingham, Alabama.
Donald J BuchsbaumDepartment of Radiation Oncology, University of Alabama at Birmingham, Birmingham, Alabama.
Troy D RandallDivision of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, Alabama.
J Michael StraughnDivision of Gynecologic Oncology, University of Alabama at Birmingham, Birmingham, Alabama.
Lyse A NorianDepartment of Nutrition Sciences, University of Alabama at Birmingham, Birmingham, Alabama.
Rebecca C ArendDivision of Gynecologic Oncology, University of Alabama at Birmingham, Birmingham, Alabama.
University of Alabama at Birmingham · US

Funding

XRAY CRYSTALLOGRAPHYP30CA013148 · NCI · UNIVERSITY OF ALABAMA AT BIRMINGHAM · PI Robert S Welner · 1985 to 2026
$165.9M
UAB Center for Clinical and Translational Science (CCTS)UL1TR001417 · NCATS · UNIVERSITY OF ALABAMA AT BIRMINGHAM · PI KIMBERLY, ROBERT P. · 2015 to 2018
$31.4M
Research Training Program in Surgical OncologyT32CA091078 · NCI · UNIVERSITY OF ALABAMA AT BIRMINGHAM · PI KENNEDY, GREGORY DEAN · 2002 to 2017
$4.8M
Research Training Program in Basic and Translational OncologyT32CA183926 · NCI · UNIVERSITY OF ALABAMA AT BIRMINGHAM · PI BHATIA, RAVI · 2014 to 2018
$1.0M
ABOG/AAOGF Scholarship AwardCenter for Clinical and Translational ScienceFoundation for Women's Cancer Ovarcome GrantNCATS NIH HHS UL1 TR001417NCI NIH HHS L30 CA209715NCI NIH HHS P30 CA013148NCI NIH HHS T32 CA091078NCI NIH HHS T32 CA183926NIH HHS CA091078NIH HHS T32NIH HHS T32 Research Training Program (CA091078)Norma Livingston Foundation's Cancer Ovarcome GrantUniversity of Alabama at Birmingham UL1TR001417University of Alabama at Birmingham Center for Clinical and Translational Science Multidisciplinary Partner Network Pilot Program UL1TR001417
6 · The paper itself

Abstract

backgroundOvarian cancer is poorly immunogenic; however, increased major histocompatibility complex class II (MHCII) expression correlates with improved immune response and prolonged survival in patients with ovarian cancer. The authors previously demonstrated that the histone deacetylase inhibitor entinostat increases MHCII expression on ovarian cancer cells. In the current study, they evaluated whether entinostat treatment and resultant MHCII expression would enhance beneficial immune responses and impair tumor growth in mice with ovarian cancer.

methodsC57BL/6 mice bearing intraperitoneal ID8 tumors were randomized to receive entinostat 20 mg/kg daily versus control. Changes in messenger RNA (mRNA) expression of 46 genes important for antitumor immunity were evaluated using NanoString analysis, and multicolor flow cytometry was used to measure changes in protein expression and tumor-infiltrating immune cells.

resultsEntinostat treatment decreased the growth of both subcutaneously and omental ID8 tumors and prolonged survival in immunocompetent C57BL/6 mice. NanoString analysis revealed significant changes in mRNA expression in 21 of 46 genes, including increased expression of the MHCI pathway, the MHCII transactivator (CIITA), interferon γ, and granzyme B. C57BL/6 mice that received entinostat had increased MHCII expression on omental tumor cells and a higher frequency of tumor-infiltrating, CD8-positive T cells by flow cytometry. In immunocompromised mice, treatment with entinostat had no effect on tumor size and did not increase MHCII expression.

conclusionsIn the current murine ovarian cancer model, entinostat treatment enhances beneficial immune responses. Moreover, these antitumor effects of entinostat are dependent on an intact immune system. Future studies combining entinostat with checkpoint inhibitors or other immunomodulatory agents may achieve more durable antitumor responses in patients with ovarian cancer.

Indexed as

Up-RegulationAdaptive ImmunityAnimalsBenzamidesCell Line, TumorCell ProliferationCell SurvivalFemaleGene Expression Regulation, NeoplasticHistocompatibility Antigens Class IIHistone Deacetylase InhibitorsHumansImmunocompromised HostMiceMice, Inbred C57BLNuclear ProteinsBenzamidesentinostatHistocompatibility Antigens Class IIHistone Deacetylase InhibitorsMHC class II transactivator proteinNuclear ProteinsPyridinesTrans-Activatorsadaptive immunityentinostatmajor histocompatibility complex class II (MHCII)ovarian cancer

Identifiers

PMID30423192
PMCPMC6294677
OpenAlexW2900786957

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.