Evidence map›Paper›PMID 34618681›Full record

ArticleAging2021

LncRNA-SNHG1 promotes macrophage M2-like polarization and contributes to breast cancer growth and metastasis.

Shoukai Zong, Wei Dai, Xiangting Guo, Kai Wang

Open access · hybridAbstract read
In one paragraph

Article in Aging, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 75 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
75citing papers in PubMed, 1 pooled it
4.9field-weighted citation impact, top 3% 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

75 citing papers in PubMed, 1 synthesis or guideline pooled it, 97 citations in OpenAlex.

  1. Pooled it
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  11. LncRNA-Histone Modification Crosstalk: Orchestrating Cancer Pathobiology.Naunyn-Schmiedeberg's archives of pharmacology · 2025
    Review
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15 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

4 authors at 1 institution in 1 country.

Shoukai ZongDepartment of Breast Surgery, The People's Hospital of Rizhao, Rizhao, Shandong Province, China.
Wei DaiDepartment of Breast and Thyroid Surgery, TCM Hospital of Rizhao, Rizhao, Shandong Province, China.
Xiangting GuoDepartment of Rheumatology and Immunology, The People's Hospital of Rizhao, Rizhao, Shandong Province, China.
Kai WangDepartment of Oncology, The People's Hospital of Rizhao, Rizhao, Shandong Province, China.
People’s Hospital of Rizhao · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Breast cancer is one of the most common malignant cancers among women. Cancer cells and adjacent cells determine the development of the disease. Tumor associated macrophages (TAMs) are involved in the regulation of different stages of cancer progression. LncRNAs play an important role in tumor growth and metastasis. However, the function of lncRNA in macrophage and tumor cell interaction is poorly described. Here we reported that lncRNA SNHG1 functioned as a modulator of M2 macrophage polarization and regulated tumor growth and angiogenesis. We indicated that knockdown of SNHG1 inhibited M2 macrophage polarization by suppression of STAT6 phosphorylation. SNHG1 silencing significantly alleviated migration of MCF-7 cells and tube formation of Human Umbilical Vein Endothelial Cells (HUVEC). Furthermore, we found that implantation of cell mixture of MCF-7 cells and macrophages promoted tumor growth and angiogenesis. However, knockdown of SNHG1 in macrophages reversed that effect. Collectively, we demonstrated the important role of lncRNA SNHG1 in macrophages and breast cancer cells interaction. We highlight the essential effect of lncRNA in tumor progression and provide a new method for the prevention and treatment of breast tumor metastasis.

Indexed as

Breast NeoplasmsAnimalsFemaleHumansMacrophage ActivationMCF-7 CellsMiceMice, NudeRAW 264.7 CellsRNA, Long NoncodingTumor-Associated Macrophageslong non-coding RNA SNHG1, humanRNA, Long Noncodingbreast cancerlncRNAmacrophagepolarizationtumor associated macrophages

Identifiers

PMID34618681
PMCPMC8544328
OpenAlexW3204257561

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.