Evidence map›Paper›PMID 37268941›Full record

ArticleCancer cell international2023

Local radiotherapy for murine breast cancer increases risk of metastasis by promoting the recruitment of M-MDSCs in lung.

Zhengzheng Zhang, Zhiyan Yao, Zimeng Zhang, Ling Cui, Ling Zhang, Gang Qiu, Xiaotian Song, Shuxia Song

Open access · goldAbstract read
In one paragraph

Article in Cancer cell international, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
2.0field-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

16 citing papers in PubMed, 18 citations in OpenAlex.

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  16. RNA mMed (New York, N.Y.) · 2023
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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

8 authors at 1 institution in 1 country.

Zhengzheng Zhang *Department of Immunology, Hebei Medical University, Shijiazhuang, China.
Zhiyan Yao *Department of Immunology, Hebei Medical University, Shijiazhuang, China.
Zimeng ZhangDepartment of Immunology, Hebei Medical University, Shijiazhuang, China.
Ling CuiDepartment of Immunology, Hebei Medical University, Shijiazhuang, China.
Ling ZhangDepartment of Immunology, Hebei Medical University, Shijiazhuang, China.
Gang QiuDepartment of Oncology, Hebei People's Hospital, Shijiazhuang, China.
Xiaotian SongDepartment of Immunology, Hebei Medical University, Shijiazhuang, China. xiaotian0903@126.com.
Shuxia SongDepartment of Immunology, Hebei Medical University, Shijiazhuang, China. 16600549@hebmu.edu.cn.
Hebei Medical University · CN

Funding

Education Department of Hebei Province ZD2022137Natural Science Foundation of Hebei Province H2020206424, H2022206473 and H2022206498Science and Technology Department of Hebei Province 226Z7706G
6 · The paper itself

Abstract

backgroundRadiotherapy is one of the effective methods for treatment of breast cancer; however, controversies still exist with respect to radiotherapy for patients with TNBC. Here, we intend to explore the mechanism by which local radiotherapy promotes the recruitment of M-MDSCs in the lung and increases the risk of lung metastasis in TNBC tumor-bearing mice.

methodsA single dose of 20 Gy X-ray was used to locally irradiate the primary tumor of 4T1 tumor-bearing mice. Tumor growth, the number of pulmonary metastatic nodules, and the frequency of MDSCs were monitored in the mice. Antibody microarray and ELISA methods were used to analyze the cytokines in exosomes released by irradiated (IR) or non-IR 4T1 cells. The effects of the exosomes on recruitment of MDSCs and colonization of 4T1 cells in the lung of normal BALB/c mice were observed with the methods of FCM and pathological section staining. T lymphocytes or 4T1 cells co-cultured with MDSCs were performed to demonstrate the inhibitory effect on T lymphocytes or accelerative migration effect on 4T1 cells. Finally, a series of in vitro experiments demonstrated how the exosomes promote the recruitment of M-MDSCs in lung of mice.

resultsEven though radiotherapy reduced the burden of primary tumors and larger lung metastatic nodules (≥ 0.4 mm

conclusionsOur work has identified an undesired effect of radiotherapy that may promote immunosuppressive premetastatic niches formation by recruiting M-MDSCs to lung. Further studies on radiotherapy combined CXCR2 or CCR2 signals inhibitors were necessary.

Indexed as

CCL2/CCR2GM-CSFM-MDSCPremetastatic nicheRadiotherapy

Identifiers

PMID37268941
PMCPMC10236833
OpenAlexW4379197518

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

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.