Evidence map›Paper›PMID 34557875›Full record

ReviewFaculty reviews2021

Recent advances in understanding the role of IL-4 signaling.

Achsah D Keegan, Warren J Leonard, Jinfang Zhu

Open access · diamondAbstract readReview
In one paragraph

Review in Faculty reviews, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 103 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
103citing papers in PubMed, 2 pooled it
12.6field-weighted citation impact, top 1% 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

103 citing papers in PubMed, 2 syntheses or guidelines pooled it, 128 citations in OpenAlex.

  1. Pooled it
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  16. Progress in Designing Cytokine Antagonist Antibodies for Cancer Therapy.BioDrugs : clinical immunotherapeutics, biopharmaceuticals and gene therapy · 2026
    Review
  17. Article
  18. Review
  19. Article
  20. Multi-dimensional plasma proteomic profiling elucidates molecular mechanisms and pathophysiological networks in pediatric severe traumatic brain injury.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2026
    Article

43 more citing papers are in PubMed but not listed here.

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 3 institutions in 2 countries.

Achsah D Keegan *Center for Vascular and Inflammatory Diseases, Department of Microbiology and Immunology, University of Maryland School of Medicine, and Veterans Affairs Maryland Health Care System, Baltimore Veterans Affairs Medical Center, Baltimore, USA.
Warren J Leonard *Laboratory of Molecular Immunology, Immunology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, USA.
Jinfang Zhu *Molecular and Cellular Immunoregulation Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, USA.
National Institute of Allergy and Infectious Diseases · USNational Institutes of Health · USVA Maryland Health Care System · US

Funding

IL-4-activated macrophages: Contribution to allergic lung inflammation linked to viral infectionR01AI143845 · NIAID · UNIVERSITY OF MARYLAND BALTIMORE · PI KEEGAN, ACHSAH D., VISCARDI, ROSE MARIE · 2019 to 2023
$3.1M
Insulin Receptor Substrate Signaling in Pulmonary HypertensionR01HL135022 · NHLBI · UNIVERSITY OF MARYLAND BALTIMORE · PI KEEGAN, ACHSAH D. · 2018 to 2022
$2.0M
Role of Semaphorin 4A in Allergic InflammationR01AI122631 · NIAID · UNIVERSITY OF MARYLAND BALTIMORE · PI KEEGAN, ACHSAH D. · 2018 to 2022
$1.9M
Regulation of Macrophage Activation by House Dust MiteI01BX001850 · VA · BALTIMORE VA MEDICAL CENTER · PI KEEGAN, ACHSAH D. · 2013 to 2022
–
BLRD VA I01 BX001850NHLBI NIH HHS R01 HL135022NIAID NIH HHS R01 AI122631NIAID NIH HHS R01 AI143845
6 · The paper itself

Abstract

Interleukin-4 (IL-4) is a four-α-helical bundle type I cytokine with broad pleiotropic actions on multiple lineages. Major actions of IL-4 were initially discovered for B and T cells, but this cytokine acts on more than a dozen different target cells spanning the innate and adaptive immune systems and is produced by multiple different cellular sources. While IL-4 was discovered just under 40 years ago in 1982, the interest in and discoveries related to this cytokine continue to markedly expand. There are important new advances related to its biological actions and to its mechanisms of signaling, including critical genes and downstream targets in a range of cell types. IL-4 is critical not only for careful control of immunoglobulin production but also related to inflammation, fibrosis, allergic reactions, and antitumor activity, with actions of IL-4 occurring through two different types of receptors, one of which is also used by IL-13, a closely related cytokine with partially overlapping actions. In this review, we cover critical older information but also highlight newer advances. An area of evolving interest relates to the therapeutic blockade of IL-4 signaling pathway to treat atopic dermatitis and asthma. Thus, this cytokine is historically important, and research in this area has both elucidated major biological pathways and led to therapeutic advances for diseases that affect millions of individuals.

Indexed as

common gamma chaincytokineIL-13IL-13Ralpha1IL-4IL-4Ralpha1receptorSTAT6

Identifiers

PMID34557875
PMCPMC8442009
OpenAlexW3197771816

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.