Evidence map›Paper›PMID 32302362›Full record

ArticlePLoS pathogens2020

Matrix metalloproteinase 9 facilitates Zika virus invasion of the testis by modulating the integrity of the blood-testis barrier.

Lixia Hui, Yiwen Nie, Shihua Li, Moujian Guo, Wei Yang, Rui Huang, Junsen Chen, Yingxia Liu, Xuancheng Lu, Zhen Chen and 2 more

Open access · goldAbstract read
In one paragraph

Article in PLoS pathogens, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.

0numbers the graph read from it
0cells of the map it votes in
39citing papers in PubMed
8.3field-weighted citation impact, top 2% 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

39 citing papers in PubMed, 67 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Review
  5. Review
  6. Article
  7. Article
  8. Excess copper exposure and male reproductive toxicity: molecular mechanisms and potential interventions.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2025
    Review
  9. Article
  10. Article
  11. Review
  12. Review
  13. Article
  14. Article
  15. Article
  16. Transcription factorZoological research · 2023
    Article
  17. Article
  18. Article
  19. Article
  20. 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 1 country.

Lixia HuiState Key Laboratory of Virology, School of Basic Medical Sciences, Wuhan University, Wuhan, China.
Yiwen NieState Key Laboratory of Virology, School of Basic Medical Sciences, Wuhan University, Wuhan, China.
Shihua LiCAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.
Moujian GuoState Key Laboratory of Virology, School of Basic Medical Sciences, Wuhan University, Wuhan, China.
Wei YangState Key Laboratory of Virology, School of Basic Medical Sciences, Wuhan University, Wuhan, China.
Rui HuangState Key Laboratory of Virology, School of Basic Medical Sciences, Wuhan University, Wuhan, China.ORCID 0000-0002-8299-1471
Junsen ChenState Key Laboratory of Virology, School of Basic Medical Sciences, Wuhan University, Wuhan, China.
Yingxia LiuShenzhen Key Laboratory of Pathogen and Immunity, State Key Discipline of Infectious Disease, Second Hospital Affiliated to Southern University of Science and Technology, Shenzhen Third People's Hospital, Shenzhen, China.
Xuancheng LuLaboratory Animal Center, Chinese Center for Disease Control and Prevention, Beijing, China.
Zhen ChenDepartment of Tissue and Embryology, School of Basic Medical Sciences, Wuhan University, Wuhan, China.
Qingyu YangCenter for Translational Medicine, Wuhan Jinyintan Hospital, Wuhan, Hubei, China.
Ying WuState Key Laboratory of Virology, School of Basic Medical Sciences, Wuhan University, Wuhan, China.ORCID 0000-0002-2716-6209
Wuhan University · CNChinese Academy of Sciences · CNChinese Center For Disease Control and Prevention · CNJinyintan Hospital · CNSouthern University of Science and Technology · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Zika virus (ZIKV) is a unique flavivirus with high tropism to the testes. ZIKV can persist in human semen for months and can cause testicular damage in male mice. However, the mechanisms through which ZIKV enters the testes remain unclear. In this study, we revealed that matrix metalloproteinase 9 (MMP9) was upregulated by ZIKV infection in cell culture and in A129 mice. Furthermore, using an in vitro Sertoli cell barrier model and MMP9-/- mice, we found that ZIKV infection directly affected the permeability of the blood-testis barrier (BTB), and knockout or inhibition of MMP9 reduced the effects of ZIKV on the Sertoli cell BTB, highlighting its role in ZIKV-induced disruption of the BTB. Interestingly, the protein levels of MMP9 were elevated by ZIKV nonstructural protein 1 (NS1) in primary mouse Sertoli cells (mSCs) and other cell lines. Moreover, the interaction between NS1 and MMP9 induced the K63-linked polyubiquitination of MMP9, which enhanced the stability of MMP9. The upregulated MMP9 level led to the degradation of essential proteins involved in the maintenance of the BTB, such as tight junction proteins (TJPs) and type Ⅳ collagens. Collectively, we concluded that ZIKV infection promoted the expression of MMP9 which was further stabilized by NS1 induced K63-linked polyubiquitination to affect the TJPs/ type Ⅳ collagen network, thereby disrupting the BTB and facilitating ZIKV entry into the testes.

Indexed as

A549 CellsAnimalsBlood-Testis BarrierCollagen Type IVHEK293 CellsHeLa CellsHumansMaleMatrix Metalloproteinase 9MiceMice, Inbred C57BLSemenSertoli CellsSpermatogenesisTestisTight Junction ProteinsCollagen Type IVMatrix Metalloproteinase 9MMP9 protein, humanMmp9 protein, mouseNS1 protein, zika virusTight Junction ProteinsViral Nonstructural Proteins

Identifiers

PMID32302362
PMCPMC7190178
OpenAlexW3017356000

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.