Evidence map›Paper›PMID 22723522›Full record

ArticleJournal of immunology (Baltimore, Md. : 1950)2012

Increased frequency of suppressive regulatory T cells and T cell-mediated antigen loss results in murine melanoma recurrence.

Shawn M Jensen, Christopher G Twitty, Levi D Maston, Paul A Antony, May Lim, Hong-Ming Hu, Ulf Petrausch, Nicholas P Restifo, Bernard A Fox

Open access · bronzeAbstract read
In one paragraph

Article in Journal of immunology (Baltimore, Md. : 1950), 2012. 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
1.9field-weighted citation impact, top 14% 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, 34 citations in OpenAlex.

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  11. Tumor-infiltrating CD4Cancer cell international · 2017
    Article
  12. Article
  13. Adoptive Transfer of Tracer-Alloreactive CD4American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons · 2016
    Article
  14. Article
  15. Article
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

9 authors at 4 institutions in 2 countries.

Shawn M JensenRobert W. Franz Cancer Research Center, Earle A. Chiles Research Institute, Providence Cancer Center, Portland, OR 97213, USA.
Christopher G Twitty
Levi D Maston
Paul A Antony
May Lim
Hong-Ming Hu
Ulf Petrausch
Nicholas P Restifo
Bernard A Fox
Cancer Research Center · USProvidence Portland Medical Center · USNational Cancer Institute · USUniversity of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center

Funding

Building on the success of the adoptive immunotherapy of cancerZIABC010763 · NCI · DIVISION OF BASIC SCIENCES - NCI · PI ROSENBERG, STEVEN · 2009 to 2020
$25.0M
MECHANISMS THAT REGULATE TUMOR SPECIFIC IMMUNE RESPONSESR01CA080964 · NCI · PROVIDENCE PORTLAND MEDICAL CENTER · PI FOX, BERNARD A · 1999 to 2014
$3.3M
NCI NIH HHS CA080964NCI NIH HHS R01 CA080964
6 · The paper itself

Abstract

Therapeutic treatment of large established tumors using immunotherapy has yielded few promising results. We investigated whether adoptive transfer of tumor-specific CD8(+) T cells, together with tumor-specific CD4(+) T cells, would mediate regression of large established B16BL6-D5 melanomas in lymphopenic Rag1(-/-) recipients devoid of regulatory T cells. The combined adoptive transfer of subtherapeutic doses of both TRP1-specific TCR transgenic Rag1(-/-) CD4(+) T cells and gp100-specific TCR transgenic Rag1(-/-) CD8(+) T cells into lymphopenic recipients, who received vaccination, led to regression of large (100-400 mm(2)) melanomas. The same treatment strategy was ineffective in lymphoreplete wild-type mice. Twenty-five percent of mice (15/59) had tumors recur (15-180 d postregression). Recurrent tumors were depigmented and had decreased expression of gp100, the epitope targeted by the CD8(+) T cells. Mice with recurrent melanoma had increased CD4(+)Foxp3(+) TRP1-specific T cells compared with mice that did not show evidence of disease. Importantly, splenocytes from mice with recurrent tumor were able to suppress the in vivo therapeutic efficacy of splenocytes from tumor-free mice. These data demonstrate that large established tumors can be treated by a combination of tumor-specific CD8(+) and CD4(+) T cells. Additionally, recurrent tumors exhibited decreased Ag expression, which was accompanied by conversion of the therapeutic tumor-specific CD4(+) T cell population to a Foxp3(+)CD4(+) regulatory T cell population.

Indexed as

Adoptive TransferAnimalsAntigens, NeoplasmCD4-Positive T-LymphocytesCD8-Positive T-LymphocytesCell Line, TumorFemalegp100 Melanoma AntigenLymphocyte CountMelanoma, ExperimentalMembrane GlycoproteinsMiceMice, Inbred C57BLMice, KnockoutMice, TransgenicNeoplasm Recurrence, LocalAntigens, Neoplasmgp100 Melanoma AntigenMembrane GlycoproteinsOxidoreductasesTyrp1 protein, mouse

Identifiers

PMID22723522
PMCPMC3552612
OpenAlexW2129714647

What OpenQuestion holds

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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.