Evidence map›Paper›PMID 34650968›Full record

ArticleFrontiers in cell and developmental biology2021

Tumor-Derived Exosomal Protein Tyrosine Phosphatase Receptor Type O Polarizes Macrophage to Suppress Breast Tumor Cell Invasion and Migration.

Hongmei Dong, Chaoyu Xie, Yuchen Jiang, Kai Li, Yusheng Lin, Xijiao Pang, Xiao Xiong, Jiehua Zheng, Xiurong Ke, Yexi Chen and 2 more

Open access · goldAbstract read
In one paragraph

Article in Frontiers in cell and developmental biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
2.0field-weighted citation impact, top 12% 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

23 citing papers in PubMed, 32 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Tumor-Associated Macrophage in Breast Tumor Microenvironment.International journal of molecular sciences · 2025
    Review
  5. Review
  6. Review
  7. Review
  8. Article
  9. Application of exosomes in tumor immunity: recent progresses.Frontiers in cell and developmental biology · 2024
    Review
  10. Review
  11. Review
  12. Review
  13. Review
  14. Review
  15. Article
  16. Review
  17. Review
  18. Review
  19. Review
  20. PTPRO-related CD8Frontiers in immunology · 2022
    Article
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

12 authors at 5 institutions in 3 countries.

Hongmei DongInstitute of Precision Cancer Medicine and Pathology, School of Medicine, Jinan University, Guangzhou, China.
Chaoyu XieInstitute of Precision Cancer Medicine and Pathology, School of Medicine, Jinan University, Guangzhou, China.
Yuchen JiangInstitute of Precision Cancer Medicine and Pathology, School of Medicine, Jinan University, Guangzhou, China.
Kai LiInstitute of Precision Cancer Medicine and Pathology, School of Medicine, Jinan University, Guangzhou, China.
Yusheng LinInstitute of Precision Cancer Medicine and Pathology, School of Medicine, Jinan University, Guangzhou, China.
Xijiao PangInstitute of Precision Cancer Medicine and Pathology, School of Medicine, Jinan University, Guangzhou, China.
Xiao XiongInstitute of Precision Cancer Medicine and Pathology, School of Medicine, Jinan University, Guangzhou, China.
Jiehua ZhengDepartment of Thyroid, Breast and Hernia Surgery, The Second Affiliated Hospital of Shantou University Medical College, Shantou, China.
Xiurong KeInstitute of Precision Cancer Medicine and Pathology, School of Medicine, Jinan University, Guangzhou, China.
Yexi ChenDepartment of Thyroid, Breast and Hernia Surgery, The Second Affiliated Hospital of Shantou University Medical College, Shantou, China.
Yong LiSt George and Sutherland Clinical School, Faculty of Medicine, UNSW, Sydney, NSW, Australia.
Hao ZhangDepartment of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China.
Jinan University · CNShantou University · CNFirst Affiliated Hospital of Jinan University · CNSutherland Hospital · AUUniversity Medical Center Groningen · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Tumor-derived exosomes, containing multiple nucleic acids and proteins, have been implicated to participate in the interaction between tumor cells and microenvironment. However, the functional involvement of phosphatases in tumor-derived exosomes is not fully understood. We and others previously demonstrated that protein tyrosine phosphatase receptor type O (PTPRO) acts as a tumor suppressor in multiple cancer types. In addition, its role in tumor immune microenvironment remains elusive. Bioinformatical analyses revealed that PTPRO was closely associated with immune infiltration, and positively correlated to M1-like macrophages, but negatively correlated to M2-like macrophages in breast cancer tissues. Co-cultured with PTPRO-overexpressing breast cancer cells increased the proportion of M1-like tumor-associated macrophages (TAMs) while decreased that of M2-like TAMs. Further, we observed that tumor-derived exosomal PTPRO induced M1-like macrophage polarization, and regulated the corresponding functional phenotypes. Moreover, tumor cell-derived exosomal PTPRO inhibited breast cancer cell invasion and migration, and inactivated STAT signaling in macrophages. Our data suggested that exosomal PTPRO inhibited breast cancer invasion and migration by modulating macrophage polarization. Anti-tumoral effect of exosomal PTPRO was mediated by inactivating STAT family in macrophages. These findings highlight a novel mechanism of tumor invasion regulated by tumor-derived exosomal tyrosine phosphatase, which is of translational potential for the therapeutic strategy against breast cancer.

Indexed as

breast cancerinvasion and migrationmacrophage polarizationprotein tyrosine phosphatase receptor type Otumor-derived exosomes

Identifiers

PMID34650968
PMCPMC8505750
OpenAlexW3204318807

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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.