Evidence map›Paper›PMID 26457721›Full record

ArticleCellular microbiology2016

The Plasmodium falciparum blood stages acquire factor H family proteins to evade destruction by human complement.

Thiago F A Rosa, Ansgar Flammersfeld, Che J Ngwa, Meike Kiesow, Rainer Fischer, Peter F Zipfel, Christine Skerka, Gabriele Pradel

Open access · bronzeAbstract read
In one paragraph

Article in Cellular microbiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
7.3field-weighted citation impact, top 3% 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

29 citing papers in PubMed, 52 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Review
  5. Article
  6. Review
  7. Review
  8. Host-parasite interactions duringFrontiers in immunology · 2022
    Review
  9. Review
  10. Is It Possible to Intervene in the Capacity ofFrontiers in immunology · 2021
    Review
  11. Review
  12. Review
  13. Review
  14. Review
  15. Article
  16. Article
  17. Review
  18. Review
  19. Article
  20. Frontiers in immunology · 2019
    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

8 authors at 3 institutions in 1 country.

Thiago F A RosaDivision of Cellular and Applied Infection Biology, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany.
Ansgar FlammersfeldDivision of Cellular and Applied Infection Biology, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany.
Che J NgwaDivision of Cellular and Applied Infection Biology, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany.
Meike KiesowDivision of Cellular and Applied Infection Biology, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany.
Rainer FischerFraunhofer Institute for Molecular Biology and Applied Ecology, Forckenbeckstr. 6, 52074, Aachen, Germany.
Peter F ZipfelDepartment of Infection Biology, Leibniz Institute for Natural Product Research and Infection Biology, Hans-Knöll-Institute, Beutenbergstr. 11a, 07745, Jena, Germany.
Christine SkerkaDepartment of Infection Biology, Leibniz Institute for Natural Product Research and Infection Biology, Hans-Knöll-Institute, Beutenbergstr. 11a, 07745, Jena, Germany.
Gabriele PradelDivision of Cellular and Applied Infection Biology, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany.
RWTH Aachen University · DELeibniz-Institut für Naturstoff-Forschung und Infektionsbiologie e. V. - Hans-Knöll-Institut (HKI) · DEFraunhofer Society · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The acquisition of regulatory proteins is a means of blood-borne pathogens to avoid destruction by the human complement. We recently showed that the gametes of the human malaria parasite Plasmodium falciparum bind factor H (FH) from the blood meal of the mosquito vector to assure successful sexual reproduction, which takes places in the mosquito midgut. While these findings provided a first glimpse of a complex mechanism used by Plasmodium to control the host immune attack, it is hitherto not known, how the pathogenic blood stages of the malaria parasite evade destruction by the human complement. We now show that the human complement system represents a severe threat for the replicating blood stages, particularly for the reinvading merozoites, with complement factor C3b accumulating on the surfaces of the intraerythrocytic schizonts as well as of free merozoites. C3b accumulation initiates terminal complement complex formation, in consequence resulting in blood stage lysis. To inactivate C3b, the parasites bind FH as well as related proteins FHL-1 and CFHR-1 to their surface, and FH binding is trypsin-resistant. Schizonts acquire FH via two contact sites, which involve CCP modules 5 and 20. Blockage of FH-mediated protection via anti-FH antibodies results in significantly impaired blood stage replication, pointing to the plasmodial complement evasion machinery as a promising malaria vaccine target.

Indexed as

Host-Pathogen InteractionsImmune EvasionComplement Factor HComplement System ProteinsHumansPlasmodium falciparumProtein BindingComplement Factor HComplement System Proteins

Identifiers

PMID26457721
PMCPMC5063132
OpenAlexW2103334642

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.