Evidence map›Paper›PMID 21658975›Full record

ArticleImmunity2011

Protection from endogenous perforin: glycans and the C terminus regulate exocytic trafficking in cytotoxic lymphocytes.

Amelia J Brennan, Jenny Chia, Kylie A Browne, Annette Ciccone, Sarah Ellis, Jamie A Lopez, Olivia Susanto, Sandra Verschoor, Hideo Yagita, James C Whisstock and 2 more

Abstract read
PubMed Publisher
In one paragraph

Article in Immunity, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.

0numbers the graph read from it
0cells of the map it votes in
45citing 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

45 citing papers in PubMed.

  1. Article
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  10. Article
  11. Article
  12. The Expanding Arsenal of Cytotoxic T Cells.Frontiers in immunology · 2022
    Review
  13. Article
  14. Article
  15. Review
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  17. Article
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

12 authors.

Amelia J BrennanCancer Immunology Program, Peter MacCallum Cancer Centre, Melbourne, 3002, Australia.
Jenny Chia
Kylie A Browne
Annette Ciccone
Sarah Ellis
Jamie A Lopez
Olivia Susanto
Sandra Verschoor
Hideo Yagita
James C Whisstock
Joseph A Trapani
Ilia Voskoboinik

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cytotoxic lymphocyte-mediated apoptosis is dependent on the delivery of perforin to secretory granules and its ability to form calcium-dependent pores in the target cell after granule exocytosis. It is unclear how cytotoxic lymphocytes synthesize and store perforin without incurring damage or death. We discovered that the extreme C terminus of perforin was essential for rapid trafficking from the endoplasmic reticulum to the Golgi compartment. Substitution of the C-terminal tryptophan residue resulted in retention of perforin in the ER followed by calcium-dependent toxic activity that eliminated host cells. We also found that N-linked glycosylation of perforin was critical for transport from the Golgi to secretory granules. Overall, an intact C terminus and N-linked glycosylation provide accurate and efficient export of perforin from the endoplasmic reticulum to the secretory granules and are critical for cytotoxic lymphocyte survival.

Indexed as

Cell MovementExocytosisAnimalsAutolysisCell LineEndoplasmic ReticulumGlycosylationHumansMiceMice, KnockoutMutationPerforinPolysaccharidesRatsT-Lymphocytes, CytotoxicPerforinPolysaccharides

Identifiers

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.