Evidence map›Paper›PMID 12379724›Full record

ArticleInfection and immunity2002

Evidence inconsistent with a negative influence of T helper 2 cells on protection afforded by a dominant T helper 1 response against Mycobacterium tuberculosis lung infection in mice.

Yu-Jin Jung, Ronald LaCourse, Lynn Ryan, Robert J North

Open access · greenAbstract read
In one paragraph

Article in Infection and immunity, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
3.7field-weighted citation impact, top 6% 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

28 citing papers in PubMed, 79 citations in OpenAlex.

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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

4 authors at 1 institution in 1 country.

Yu-Jin JungThe Trudeau Institute, Saranac Lake, New York 12983, USA.
Ronald LaCourse
Lynn Ryan
Robert J North
Trudeau Institute · US

Funding

IMMUNOLOGIC CONSEQUENCES OF M. TUBERCULOSIS VIRULENCER01AI037844 · NIAID · TRUDEAU INSTITUTE, INC. · PI NORTH, ROBERT JOHN · 1995 to 2005
$1.9M
HOST-PATHOGEN DETERMINANTS OF TUBERCULOSIS LATENCYR01HL064565 · NHLBI · TRUDEAU INSTITUTE, INC. · PI NORTH, ROBERT JOHN · 1999 to 2003
$1.1M
NHLBI NIH HHS HL-64565NIAID NIH HHS AI-37844NIAID NIH HHS R01 AI037844
6 · The paper itself

Abstract

Mice incapable of generating an efficient Th2 response because of functional deletion of the genes for signal transducer and activation of transcription 6 (Stat6), interleukin-4 receptor alpha chain (IL-4Ralpha), or IL-4 plus IL-13 (IL-4/IL-13) were no more resistant than wild-type (WT) mice to airborne infection with virulent Mycobacterium tuberculosis. WT mice were able to control infection and hold it at a stationary level following 20 days of log linear M. tuberculosis growth. Likewise, infection was kept under control and was held at the same stationary level in IL-4/IL-13(-/-) mice but progressed to a slightly higher level in Stat6(-/-) and IL-4Ralpha(-/-) mice. The onset of stationary-level infection in WT mice was associated with the expression of Th1-mediated immunity, as evidenced by an approximately 100- to 1,000-fold increase in the lungs in the synthesis of mRNA for IL-12, gamma interferon (IFN-gamma), and inducible nitric oxide synthase (NOS2) that was sustained for at least 100 days. IL-12 is essential for the induction of Th1 immunity, IFN-gamma is a key Th1 cytokine involved in mediation of immunity, and NOS2 is an inducible enzyme of macrophages and is needed by these cells to express immunity. In response to infection, the lungs of Stat6(-/-) mice showed increases in synthesis of mRNA for IL-12, IFN-gamma, and NOS2 similar to that seen in WT mice. In IL-4/IL-13(-/-) mice, however, synthesis of mRNA for IFN-gamma and NOS2 reached higher levels than in WT mice. These results argue against the notion that a Th2 response is partly or wholly responsible for the inability of Th1-mediated immunity to resolve infection with a virulent strain of M. tuberculosis.

Indexed as

AnimalsImmunohistochemistryInterferon-gammaInterleukin-10Interleukin-12Interleukin-13Interleukin-4MiceMice, Inbred BALB CMice, Inbred C57BLMice, KnockoutMycobacterium tuberculosisNitric Oxide SynthaseNitric Oxide Synthase Type IIReceptors, Interleukin-4RNA, MessengerInterferon-gammaInterleukin-10Interleukin-12Interleukin-13Interleukin-4Nitric Oxide SynthaseNitric Oxide Synthase Type IINos2 protein, mouseReceptors, Interleukin-4RNA, MessengerStat6 protein, mouseSTAT6 Transcription FactorTrans-Activators

Identifiers

PMID12379724
PMCPMC130368
OpenAlexW2171160583

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.