Evidence map›Paper›PMID 10569755›Full record

ArticleInfection and immunity1999

Cytolethal distending toxin of Haemophilus ducreyi induces apoptotic death of Jurkat T cells.

V Gelfanova, E J Hansen, S M Spinola

Open access · bronzeAbstract read
In one paragraph

Article in Infection and immunity, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers.

0numbers the graph read from it
0cells of the map it votes in
47citing papers in PubMed
3.3field-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

47 citing papers in PubMed, 96 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Functional Study ofToxins · 2020
    Article
  5. Review
  6. Review
  7. Article
  8. Review
  9. Article
  10. Review
  11. Article
  12. Review
  13. Article
  14. Article
  15. Article
  16. 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

3 authors at 2 institutions in 2 countries.

V GelfanovaDepartments of Medicine, Indiana University, Indianapolis, Indiana 46202, USA.
E J Hansen
S M Spinola
Indiana University – Purdue University Indianapolis · USThe University of Texas Southwestern Medical Center · US

Funding

ZOSUQUIDAR TRIHYDROCHLORIDE DURING CONVENTIONAL INDUCTION AND POST-REMISSIONM01RR000750 · NCRR · INDIANA UNIV-PURDUE UNIV AT INDIANAPOLIS · PI PEACOCK, MUNRO · 1985 to 2008
$25.5M
VIRAL DETERMINANTS OF HSV DISEASE IN MICEU19AI031494 · NIAID · INDIANA UNIV-PURDUE UNIV AT INDIANAPOLIS · PI KATZ, BARRY P. · 1995 to 2009
$13.6M
Haemophilus ducreyi Inhibits PhagocytosisR37AI032011 · NIAID · UT SOUTHWESTERN MEDICAL CENTER · PI HANSEN, ERIC JOHN · 2006 to 2015
$3.8M
PATHOGENESIS OF HAEMOPHILUS DUCREYI INFECTIONSR01AI027863 · NIAID · INDIANA UNIV-PURDUE UNIV AT INDIANAPOLIS · PI SPINOLA, STANLEY M. · 1995 to 2013
$3.8M
MOLECULAR PATHOGENESIS OF CHANCROIDR01AI032011 · NIAID · UNIVERSITY OF TEXAS SW MED CTR/DALLAS · PI HANSEN, ERIC JOHN · 1992 to 2004
$1.7M
Haemophilus ducreyi Inhibits PhagocytosisR56AI032011 · NIAID · UNIVERSITY OF TEXAS SW MED CTR/DALLAS · PI HANSEN, ERIC JOHN · 2005 to 2005
$390k
PATHOGENESIS OF HAEMOPHILUS DUCREYI INFECTIONSR29AI027863 · NIAID · STATE UNIVERSITY OF NEW YORK AT BUFFALO · PI SPINOLA, STANLEY M · 1990 to 1994
–
VARIABILITY IN HERPES SIMPLEX VIRUS GLYCOPROTEINS AND INFECTIVITYU01AI031494 · NIAID · INDIANA UNIV-PURDUE UNIV AT INDIANAPOLIS · PI SEIFERT, H. STEVEN · 1991 to 1994
–
NCRR NIH HHS M01 RR000750NIAID NIH HHS AI27863NIAID NIH HHS AI31494NIAID NIH HHS AI32011NIAID NIH HHS R01 AI027863NIAID NIH HHS R01 AI032011NIAID NIH HHS R37 AI032011NIAID NIH HHS R56 AI032011NIAID NIH HHS U19 AI031494
6 · The paper itself

Abstract

The immune response to Haemophilus ducreyi is mediated in part by T cells infiltrating the site of infection. In this study, we show that H. ducreyi antigen preparations inhibited the proliferation of peripheral blood mononuclear cells and primary human T-cell lines. H. ducreyi also inhibited Jurkat T-cell proliferation and induced apoptosis of Jurkat T cells, confirmed through the detection of DNA degradation and membrane unpacking. The cytotoxic product(s) was present in cell-free culture supernatant and whole-cell preparations of H. ducreyi and was heat labile. H. ducreyi produces two known heat-labile toxins, a hemolysin and a cytolethal distending toxin (CDT). Whole cells and supernatants prepared from a hemolysin-deficient mutant had the same inhibitory and apoptotic effects on Jurkat T cells as did its isogenic parent. Preparations made from an H. ducreyi cdtC mutant were less toxic and induced less apoptosis than the parent. The toxic activity of the cdtC mutant was restored by complementation in trans. CdtC-neutralizing antibodies also inhibited H. ducreyi-induced toxicity and apoptosis. The data suggest that CDT may interfere with T-cell responses to H. ducreyi by induction of apoptosis.

Indexed as

ApoptosisBacterial ToxinsCell LineFlow CytometryHaemophilus ducreyiHumansJurkat CellsLeukocytes, MononuclearLymphocyte ActivationT-LymphocytesBacterial Toxinscytolethal distending toxin

Identifiers

PMID10569755
PMCPMC97047
OpenAlexW2149198723

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.