Evidence map›Paper›PMID 38932362›Full record

ArticleVaccines2024

Nano-Pulse Treatment Overcomes the Immunosuppressive Tumor Microenvironment to Elicit In Situ Vaccination Protection against Breast Cancer.

Anthony Nanajian, Megan Scott, Niculina I Burcus, Brittney L Ruedlinger, Edwin A Oshin, Stephen J Beebe, Siqi Guo

Abstract read
In one paragraph

Article in Vaccines, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
–field-weighted citation impact
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

6 citing papers in PubMed.

  1. Review
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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

7 authors.

Anthony NanajianFrank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, VA 23508, USA.ORCID 0000-0003-0853-8641
Megan ScottFrank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, VA 23508, USA.
Niculina I BurcusFrank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, VA 23508, USA.
Brittney L RuedlingerFrank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, VA 23508, USA.
Edwin A OshinFrank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, VA 23508, USA.
Stephen J BeebeFrank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, VA 23508, USA.ORCID 0000-0002-6075-9452
Siqi GuoFrank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, VA 23508, USA.ORCID 0000-0002-7280-7888

Funding

The abscopal effect of nanosecond electric pulse tumor ablation and its enhancement for metastatic breast cancerR21CA229939 · NCI · OLD DOMINION UNIVERSITY · PI GUO, SIQI · 2018 to 2019
$366k
NCI NIH HHS CA229939NCI NIH HHS R21 CA229939
6 · The paper itself

Abstract

We previously reported that nano-pulse treatment (NPT), a pulsed power technology, resulted in 4T1-luc mammary tumor elimination and a strong in situ vaccination, thereby completely protecting tumor-free animals against a second live tumor challenge. The mechanism whereby NPT mounts effective antitumor immune responses in the 4T1 breast cancer predominantly immunosuppressive tumor microenvironment (TME) remains unanswered. In this study, orthotopic 4T1 mouse breast tumors were treated with NPT (100 ns, 50 kV/cm, 1000 pulses, 3 Hz). Blood, spleen, draining lymph nodes, and tumors were harvested at 4-h, 8-h, 1-day, 3-day, 7-day, and 3-month post-treatment intervals for the analysis of frequencies, death, and functional markers of various immune cells in addition to the suppressor function of regulatory T cells (Tregs). NPT was verified to elicit strong in situ vaccination (ISV) against breast cancer and promote both acute and long-term T cell memory. NPT abolished immunosuppressive dominance systemically and in the TME by substantially reducing Tregs, myeloid-derived suppressor cells (MDSCs), and tumor-associated macrophages (TAMs). NPT induced apoptosis in Tregs and TAMs. It also functionally diminished the Treg suppression capacity, explained by the downregulation of activation markers, particularly 4-1BB and TGFβ, and a phenotypic shift from predominantly activated (CD44

Indexed as

apoptosisbreast cancerimmunosuppressionin situ vaccinationmemory T cellsmyeloid-derived suppressor cellsnano-pulse treatment (NPT)regulatory T cellstumor-associated macrophagestumor microenvironment

Identifiers

PMID38932362
PMCPMC11209453

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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.