Evidence map›Paper›PMID 20840779›Full record

ArticleCritical care (London, England)2010

Host adaptive immunity deficiency in severe pandemic influenza.

Jesus F Bermejo-Martin, Ignacio Martin-Loeches, Jordi Rello, Andres Antón, Raquel Almansa, Luoling Xu, Guillermo Lopez-Campos, Tomás Pumarola, Longsi Ran, Paula Ramirez and 27 more

Open access · goldAbstract readComparative Study
In one paragraph

Article in Critical care (London, England), 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 91 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
91citing papers in PubMed, 3 pooled it
9.5field-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

91 citing papers in PubMed, 3 syntheses or guidelines pooled it, 183 citations in OpenAlex.

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  19. InvasiveDiagnostics (Basel, Switzerland) · 2022
    Review
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31 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

37 authors at 15 institutions in 4 countries.

Jesus F Bermejo-MartinInfection & Immunity Unit, Hospital Clínico Universitario-IECSCYL, Avda, Ramón y Cajal 3, 47005 Valladolid, Spain. jfbermejo@saludcastillayleon.es
Ignacio Martin-Loeches
Jordi Rello
Andres Antón
Raquel Almansa
Luoling Xu
Guillermo Lopez-Campos
Tomás Pumarola
Longsi Ran
Paula Ramirez
David Banner
Derek Cheuk Ng
Lorenzo Socias
Ana Loza
David Andaluz
Enrique Maravi
Maria J Gómez-Sánchez
Mónica Gordón
Maria C Gallegos
Victoria Fernandez
Sara Aldunate
Cristobal León
Pedro Merino
Jesús Blanco
Fernando Martin-Sanchez
Lucia Rico
David Varillas
Veronica Iglesias
Maria Ángeles Marcos
Francisco Gandía
Felipe Bobillo
Begoña Nogueira
Silvia Rojo
Salvador Resino
Carmen Castro
Raul Ortiz de Lejarazu
David Kelvin
Hospital Clínico Universitario de Valladolid · ESUniversity Health Network · CAInstituto de Estudios de Ciencias de la Salud de Castilla y León · ESHospital Son Llatzer · ESHospital Universitario de Valme · ESHospital Virgen del Camino · ESHospital Universitari i Politècnic La Fe · ESInstituto de Salud Carlos III · ESUniversitat de Barcelona · ESCentro de Investigación Biomédica en Red · ESCentro Nacional de Microbiologia · ESConsorci Institut D'Investigacions Biomediques August Pi I Sunyer · ESHospital Universitari Joan XXIII de Tarragona · ESHospital Universitario Río Hortega · ESVall d'Hebron Institut de Recerca · ES

Funding

Canadian Institutes of Health Research
6 · The paper itself

Abstract

introductionPandemic A/H1N1/2009 influenza causes severe lower respiratory complications in rare cases. The association between host immune responses and clinical outcome in severe cases is unknown.

methodsWe utilized gene expression, cytokine profiles and generation of antibody responses following hospitalization in 19 critically ill patients with primary pandemic A/H1N1/2009 influenza pneumonia for identifying host immune responses associated with clinical outcome. Ingenuity pathway analysis 8.5 (IPA) (Ingenuity Systems, Redwood City, CA) was used to select, annotate and visualize genes by function and pathway (gene ontology). IPA analysis identified those canonical pathways differentially expressed (P < 0.05) between comparison groups. Hierarchical clustering of those genes differentially expressed between groups by IPA analysis was performed using BRB-Array Tools v.3.8.1.

resultsThe majority of patients were characterized by the presence of comorbidities and the absence of immunosuppressive conditions. pH1N1 specific antibody production was observed around day 9 from disease onset and defined an early period of innate immune response and a late period of adaptive immune response to the virus. The most severe patients (n = 12) showed persistence of viral secretion. Seven of the most severe patients died. During the late phase, the most severe patient group had impaired expression of a number of genes participating in adaptive immune responses when compared to less severe patients. These genes were involved in antigen presentation, B-cell development, T-helper cell differentiation, CD28, granzyme B signaling, apoptosis and protein ubiquitination. Patients with the poorest outcomes were characterized by proinflammatory hypercytokinemia, along with elevated levels of immunosuppressory cytokines (interleukin (IL)-10 and IL-1ra) in serum.

conclusionsOur findings suggest an impaired development of adaptive immunity in the most severe cases of pandemic influenza, leading to an unremitting cycle of viral replication and innate cytokine-chemokine release. Interruption of this deleterious cycle may improve disease outcome.

Indexed as

PandemicsSeverity of Illness IndexAdaptive ImmunityAdultDown-RegulationFemaleGene Expression ProfilingHumansInfluenza A Virus, H1N1 SubtypeInfluenza, HumanMaleMiddle Aged

Identifiers

PMID20840779
PMCPMC3219262
OpenAlexW2149378058

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.