Evidence map›Paper›PMID 22547061›Full record

ArticleThe Journal of biological chemistry2012

Caveolin-1 inhibits expression of antioxidant enzymes through direct interaction with nuclear erythroid 2 p45-related factor-2 (Nrf2).

Wen Li, Hui Liu, Jie-Sen Zhou, Jiao-Fei Cao, Xiao-Bo Zhou, Augustine M K Choi, Zhi-Hua Chen, Hua-Hao Shen

Erratum issuedOpen access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 51 papers.

0numbers the graph read from it
0cells of the map it votes in
51citing papers in PubMed
3.5field-weighted citation impact, top 7% 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

51 citing papers in PubMed, 85 citations in OpenAlex.

  1. Trial
  2. Biology · 2026
    Article
  3. Review
  4. Caveolin-1 modulates cisplatin sensitivity in oral squamous cell carcinoma through ferroptosis.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2025
    Article
  5. Article
  6. Article
  7. Review
  8. Article
  9. Article
  10. Caveolae and the oxidative stress response.Biochemical Society transactions · 2023
    Article
  11. Metabolic Deregulation in Pulmonary Hypertension.Current issues in molecular biology · 2023
    Article
  12. Review
  13. Article
  14. Article
  15. Article
  16. Review
  17. Review
  18. Review
  19. Review
  20. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors at 4 institutions in 2 countries.

Wen LiDepartment of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, China.
Hui Liu
Jie-Sen Zhou
Jiao-Fei Cao
Xiao-Bo Zhou
Augustine M K Choi
Zhi-Hua Chen
Hua-Hao Shen
Second Affiliated Hospital of Zhejiang University · CNBrigham and Women's Hospital · USHarvard University · USSecond Affiliated Hospital of Zhengzhou University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The Nrf2 (nuclear erythroid 2 p45-related factor-2) signaling pathway is known to play a pivotal role in a variety of oxidative stress-related human disorders. It has been reported recently that the plasma membrane resident protein caveolin-1 (Cav-1) can regulate expression of certain antioxidant enzymes and involves in the pathogenesis of oxidative lung injury, but the detailed molecular mechanisms remain incompletely understood. Here, we demonstrated that Cav-1 inhibited the expression of antioxidant enzymes through direct interaction with Nrf2 and subsequent suppression of its transcriptional activity in lung epithelial Beas-2B cells. Cav-1 deficiency cells exhibited higher levels of antioxidant enzymes and were more resistant to oxidative stress induced cytotoxicity, whereas overexpression of Cav-1 suppressed the induction of these enzymes and further augmented the oxidative cell death. Cav-1 constitutively interacted with Nrf2 in both cytosol and nucleus. Stimulation of 4-hydroxynonenol increased the Cav-1-Nrf2 interaction in cytosol but disrupted their association in the nucleus. Knockdown of Cav-1 also disassociated the interaction between Nrf2 and its cytoplasmic inhibitor Keap1 (Kelch-like ECH-associated protein 1) and increased the Nrf2 transcription activity. Mutation of the resembling Cav-1 binding motif on Nrf2 effectively attenuated their interaction, which exhibited higher transcription activity and induced higher levels of antioxidant enzymes relative to the wild-type control. Altogether, these studies clearly demonstrate that Cav-1 inhibits cellular antioxidant capacity through direct interaction with Nrf2 and subsequent suppression of its activity, thereby implicating in certain oxidative stress-related human pathologies.

Indexed as

Adaptor Proteins, Signal TransducingAmino Acid MotifsAnimalsAntioxidantsCaveolin 1Cell LineCell NucleusCytoskeletal ProteinsCytosolGene Expression Regulation, EnzymologicHumansIntracellular Signaling Peptides and ProteinsKelch-Like ECH-Associated Protein 1MiceMice, KnockoutMutationAdaptor Proteins, Signal TransducingAntioxidantsCAV1 protein, humanCav1 protein, mouseCaveolin 1Cytoskeletal ProteinsIntracellular Signaling Peptides and ProteinsKEAP1 protein, humanKeap1 protein, mouseKelch-Like ECH-Associated Protein 1NFE2L2 protein, humanNfe2l2 protein, mouseNF-E2-Related Factor 2

Identifiers

PMID22547061
PMCPMC3375516
OpenAlexW2147789261

What OpenQuestion holds

Textmetadata
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.