Evidence map›Paper›PMID 24558045›Full record

ArticleThe Journal of biological chemistry2014

The perforin pore facilitates the delivery of cationic cargos.

Sarah E Stewart, Stephanie C Kondos, Antony Y Matthews, Michael E D'Angelo, Michelle A Dunstone, James C Whisstock, Joseph A Trapani, Phillip I Bird

Abstract read
In one paragraph

Article in The Journal of biological chemistry, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
–field-weighted citation impact
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

19 citing papers in PubMed.

  1. Cytotoxic T Cells: Kill, Memorize, and Mask to Maintain Immune Homeostasis.International journal of molecular sciences · 2025
    Review
  2. Article
  3. Article
  4. Review
  5. Review
  6. Article
  7. Radiotherapy transiently reduces the sensitivity of cancer cells to lymphocyte cytotoxicity.Proceedings of the National Academy of Sciences of the United States of America · 2022
    Article
  8. Review
  9. Article
  10. Article
  11. Article
  12. The mystery behind membrane insertion: a review of the complement membrane attack complex.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2017
    Review
  13. Review
  14. Article
  15. The Membrane Attack Complex/Perforin Superfamily.Journal of molecular microbiology and biotechnology · 2017
    Article
  16. Article
  17. Article
  18. Human antimicrobial peptides and proteins.Pharmaceuticals (Basel, Switzerland) · 2014
    Article
  19. 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

8 authors.

Sarah E StewartFrom the Department of Biochemistry and Molecular Biology.
Stephanie C Kondos
Antony Y Matthews
Michael E D'Angelo
Michelle A Dunstone
James C Whisstock
Joseph A Trapani
Phillip I Bird

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cytotoxic lymphocytes eliminate virally infected or neoplastic cells through the action of cytotoxic proteases (granzymes). The pore-forming protein perforin is essential for delivery of granzymes into the cytoplasm of target cells; however the mechanism of this delivery is incompletely understood. Perforin contains a membrane attack complex/perforin (MACPF) domain and oligomerizes to form an aqueous pore in the plasma membrane; therefore the simplest (and best supported) model suggests that granzymes passively diffuse through the perforin pore into the cytoplasm of the target cell. Here we demonstrate that perforin preferentially delivers cationic molecules while anionic and neutral cargoes are delivered inefficiently. Furthermore, another distantly related pore-forming MACPF protein, pleurotolysin (from the oyster mushroom), also favors the delivery of cationic molecules, and efficiently delivers human granzyme B. We propose that this facilitated diffusion is due to conserved features of oligomerized MACPF proteins, which may include an anionic lumen.

Indexed as

Amino Acid SequenceAnimalsBinding SitesBiological TransportCationsCell LineDiffusionGranzymesHemolysin ProteinsHeparinHumansMiceMolecular Sequence DataPerforinPorosityProtein Structure, TertiaryCationsGranzymesHemolysin ProteinsHeparinPerforinCell DeathCell PermeabilizationCellular Immune ResponseGranzymeMACPFNatural Killer (NK) CellPerforinPoreStreptolysin OT Cell Biology

Identifiers

PMID24558045
PMCPMC3979413

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.