Evidence map›Paper›PMID 29121917›Full record

ArticleMalaria journal2017

A single rapamycin dose protects against late-stage experimental cerebral malaria via modulation of host immunity, endothelial activation and parasite sequestration.

Pedro Mejia, J Humberto Treviño-Villarreal, Justin S Reynolds, Mariana De Niz, Andrew Thompson, Matthias Marti, James R Mitchell

Open access · goldAbstract read
In one paragraph

Article in Malaria journal, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
1.0field-weighted citation impact, top 20% 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

11 citing papers in PubMed, 21 citations in OpenAlex.

  1. Article
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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

7 authors at 3 institutions in 3 countries.

Pedro MejiaDepartment of Genetics and Complex Diseases, Harvard T. H. Chan School of Public Health, Boston, MA, 02115, USA.
J Humberto Treviño-VillarrealDepartment of Genetics and Complex Diseases, Harvard T. H. Chan School of Public Health, Boston, MA, 02115, USA.
Justin S ReynoldsDepartment of Genetics and Complex Diseases, Harvard T. H. Chan School of Public Health, Boston, MA, 02115, USA.
Mariana De NizInstitute of Cell Biology, University of Bern, 3012, Bern, Switzerland.
Andrew ThompsonRodent Histopathology Core, Harvard Medical School, Boston, MA, 02115, USA.
Matthias MartiWellcome Center for Molecular Parasitology, University of Glasgow, Glasgow, G12 8TA, Scotland, UK.
James R MitchellDepartment of Genetics and Complex Diseases, Harvard T. H. Chan School of Public Health, Boston, MA, 02115, USA. jmitchel@hsph.harvard.edu.
Harvard University · USUniversity of Glasgow · GBWellcome Centre for Molecular Parasitology · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundMaladaptive immune responses during cerebral malaria (CM) result in high mortality despite opportune anti-malarial chemotherapy. Rapamycin, an FDA-approved immunomodulator, protects against experimental cerebral malaria (ECM) in mice through effects on the host. However, the potential for reduced adaptive immunity with chronic use, combined with an incomplete understanding of mechanisms underlying protection, limit translational potential as an adjunctive therapy in CM.

resultsThe results presented herein demonstrate that a single dose of rapamycin, provided as late as day 4 or 5 post-infection, protected mice from ECM neuropathology and death through modulation of distinct host responses to infection. Rapamycin prevented parasite cytoadherence in peripheral organs, including white adipose tissue, via reduction of CD36 expression. Rapamycin also altered the splenic immune response by reducing the number of activated T cells with migratory phenotype, while increasing local cytotoxic T cell activation. Finally, rapamycin reduced brain endothelial ICAM-1 expression concomitant with reduced brain pathology. Together, these changes potentially contributed to increased parasite elimination while reducing CD8 T cell migration to the brain.

conclusionsRapamycin exerts pleotropic effects on host immunity, vascular activation and parasite sequestration that rescue mice from ECM, and thus support the potential clinical use of rapamycin as an adjunctive therapy in CM.

Indexed as

Adaptive ImmunityAnimalsAntimalarialsDose-Response Relationship, DrugDrug Administration ScheduleEndotheliumFemaleMalaria, CerebralMiceMice, Inbred C57BLPlasmodiumSirolimusTime FactorsAntimalarialsSirolimusCerebral malariaEndothelial activationParasite sequestrationRapamycin

Identifiers

PMID29121917
PMCPMC5679345
OpenAlexW2767889824

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.