Evidence map›Paper›PMID 30002126›Full record

ArticleHaematologica2018

N-linked glycosylation modulates the immunogenicity of recombinant human factor VIII in hemophilia A mice.

Jesse D Lai, Laura L Swystun, Dominique Cartier, Kate Nesbitt, Cunjie Zhang, Christine Hough, James W Dennis, David Lillicrap

Open access · goldAbstract read
In one paragraph

Article in Haematologica, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 1 pooled it
2.0field-weighted citation impact, top 13% 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

21 citing papers in PubMed, 1 synthesis or guideline pooled it, 26 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. An etanercept O-glycovariant with enhanced potency.Molecular therapy. Methods & clinical development · 2022
    Article
  10. Article
  11. Article
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  13. Combination ofJournal of clinical medicine · 2022
    Article
  14. Article
  15. Comprehensive N- and O-glycosylation mapping of human coagulation factor V.Journal of thrombosis and haemostasis : JTH · 2020
    Article
  16. Review
  17. Article
  18. Article
  19. Article
  20. Tolerating Factor VIII: Recent Progress.Frontiers in immunology · 2019
    Review
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 2 institutions in 1 country.

Jesse D LaiDepartment of Pathology & Molecular Medicine, Queen's University, Kingston.
Laura L SwystunDepartment of Pathology & Molecular Medicine, Queen's University, Kingston.
Dominique CartierDepartment of Pathology & Molecular Medicine, Queen's University, Kingston.
Kate NesbittDepartment of Pathology & Molecular Medicine, Queen's University, Kingston.
Cunjie ZhangLunenfeld Tanenbaum Research Institute, Mount Sinai Hospital, ON, Canada.
Christine HoughDepartment of Pathology & Molecular Medicine, Queen's University, Kingston.
James W DennisLunenfeld Tanenbaum Research Institute, Mount Sinai Hospital, ON, Canada.
David LillicrapDepartment of Pathology & Molecular Medicine, Queen's University, Kingston david.lillicrap@queensu.ca.
Queen's University · CALunenfeld-Tanenbaum Research Institute · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Immune responses to factor VIII remain the greatest complication in the treatment of severe hemophilia A. Recent epidemiological evidence has highlighted that recombinant factor VIII produced in baby hamster kidney cells is more immunogenic than factor VIII produced in Chinese hamster ovary cells. Glycosylation differences have been hypothesized to influence the immunogenicity of these synthetic concentrates. In two hemophilia A mouse models, baby hamster kidney cell-derived factor VIII elicited a stronger immune response compared to Chinese hamster ovary cell-derived factor VIII. Furthermore, factor VIII produced in baby hamster kidney cells exhibited accelerated clearance from circulation independent of von Willebrand factor. Lectin and mass spectrometry analysis of total N-linked glycans revealed differences in high-mannose glycans, sialylation, and the occupancy of glycan sites. Factor VIII desialylation did not influence binding to murine splenocytes or dendritic cells, nor surface co-stimulatory molecule expression. We did, however, observe increased levels of immunoglobulin M specific to baby hamster kidney-derived factor VIII in naïve hemophilia A mice. De-N-glycosylation enhanced immunoglobulin M binding, suggesting that N-glycan occupancy masks epitopes. Elevated levels of immunoglobulin M and immunoglobulin G specific to baby hamster kidney-derived factor VIII were also observed in healthy individuals, and de-N-glycosylation increased immunoglobulin G binding. Collectively, our data suggest that factor VIII produced in baby hamster kidney cells is more immunogenic than that produced in Chinese hamster ovary cells, and that incomplete occupancy of N-linked glycosylation sites leads to the formation of immunoglobulin M- and immunoglobulin G-factor VIII immune complexes that contribute to the enhanced clearance and immunogenicity in these mouse models of hemophilia A.

Indexed as

Factor VIIIHemophilia AAnimalsCHO CellsCricetulusDisease Models, AnimalFemaleGlycosylationHumansImmunoglobulin GImmunoglobulin MMaleMiceMice, KnockoutRecombinant ProteinsF8 protein, humanFactor VIIIImmunoglobulin GImmunoglobulin MRecombinant Proteins

Identifiers

PMID30002126
PMCPMC6278987
OpenAlexW2845051690

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Registered trials

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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.