Evidence map›Paper›PMID 2840398›Full record

ArticleInfection and immunity1988

Induction of unresponsiveness to gamma interferon in macrophages infected with Mycobacterium leprae.

L D Sibley, J L Krahenbuhl

Open access · bronzeAbstract read
In one paragraph

Article in Infection and immunity, 1988. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed, 1 pooled it
3.9field-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

25 citing papers in PubMed, 1 synthesis or guideline pooled it, 72 citations in OpenAlex.

  1. Silence on the plate: revisiting the enigma ofFrontiers in microbiology · 2025
    Pooled it
  2. Review
  3. Article
  4. Review
  5. Article
  6. Article
  7. The continuing challenges of leprosy.Clinical microbiology reviews · 2006
    Review
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Hansen's disease.The Western journal of medicine · 1993
    Review
  18. Article
  19. Review
  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

2 authors at 1 institution in 1 country.

L D SibleyImmunology Research Department, Gillis W. Long Hansen's Disease Center, United States Public Health Service Hospital, Carville, Louisiana 70721.
J L Krahenbuhl
National Hansen's Disease Program · US

Funding

IMMUNOLOGY AND IMMUNOTHERAPY OF LEPROSYR01AI022442 · NIAID · NATIONAL HANSEN'S DISEASE PROGRAM · PI KRAHENBUHL, JAMES L · 1989 to 1990
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IMMUNOLOGY &IMMUNOTHERAPY OF LEPROSYR22AI022442 · NIAID · NATIONAL HANSEN'S DISEASE PROGRAM · PI KRAHENBUHL, JAMES L · 1985 to 1990
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NUDE MICE IN LEPROSY RESEARCHR22AI022492 · NIAID · NATIONAL HANSEN'S DISEASE PROGRAM · PI HASTINGS, ROBERT C · 1985 to 1987
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NIAID NIH HHS AI-22442NIAID NIH HHS AI-22492
6 · The paper itself

Abstract

We have previously demonstrated that Mycobacterium leprae-burdened granuloma macrophages isolated from infected nude mice are refractory to activation by gamma interferon (IFN-gamma). To explore further both the afferent and efferent functional capacity of M. leprae-infected macrophages, we examined the IFN-gamma-mediated activation of resident mouse peritoneal macrophages infected in vitro with live or dead M. leprae. When IFN-gamma was administered within 24 h of M. leprae infection, macrophages were fully activated. However, defective activation was evident at 3 to 5 days postinfection in macrophages that were heavily burdened with viable M. leprae. This defect was evident by four parameters of activation in which IFN-gamma failed to stimulate the enhancement of microbicidal activity, cytotoxicity for tumor target cells, O2- production, and surface Ia antigen expression. The development of defective activation closely followed an increase in macrophage production of prostaglandin E2. Defective activation of M. leprae-burdened macrophages was reversible by indomethacin, and a similar block in IFN-gamma activation was observed in three of these four parameters in normal macrophages treated with exogenous prostaglandin E2. Thus, infection of mouse macrophages with M. leprae appears to restrict IFN-gamma-mediated activation at least in part by induction of inhibitory levels of prostaglandin E2.

Indexed as

AnimalsCells, CulturedDinoprostoneHistocompatibility Antigens Class IIImmunity, CellularIndomethacinInterferon-gammaLeprosyMacrophage ActivationMacrophagesMiceMycobacterium lepraeProstaglandins ESuperoxidesDinoprostoneHistocompatibility Antigens Class IIIndomethacinInterferon-gammaProstaglandins ESuperoxides

Identifiers

PMID2840398
PMCPMC259501
OpenAlexW2280102263

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.