Evidence map›Paper›PMID 34232987›Full record

ArticleBlood2021

CYB561A3 is the key lysosomal iron reductase required for Burkitt B-cell growth and survival.

Zhonghao Wang, Rui Guo, Stephen J Trudeau, Emma Wolinsky, Tslil Ast, Jin Hua Liang, Chang Jiang, Yijie Ma, Mingxiang Teng, Vamsi K Mootha and 1 more

Open access · bronzeAbstract read
In one paragraph

Article in Blood, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
3.6field-weighted citation impact, top 6% 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

22 citing papers in PubMed, 32 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Epstein-Barr Virus Encoded lncRNAs Control the Viral Lytic Switch.bioRxiv : the preprint server for biology · 2025
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  6. Cecytb-2, a CytochromeBiomolecules · 2025
    Article
  7. Article
  8. Review
  9. Gene Expression Dysregulation in Whole Blood of Patients withInternational journal of molecular sciences · 2024
    Article
  10. Article
  11. Article
  12. Article
  13. Mechanisms controlling cellular and systemic iron homeostasis.Nature reviews. Molecular cell biology · 2024
    Review
  14. Article
  15. Review
  16. Article
  17. Article
  18. Article
  19. Article
  20. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

11 authors at 2 institutions in 2 countries.

Zhonghao WangDivision of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, Boston, MA.
Rui GuoDivision of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, Boston, MA.ORCID 0000-0003-4584-1324
Stephen J TrudeauDivision of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, Boston, MA.
Emma WolinskyDivision of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, Boston, MA.
Tslil AstBroad Institute of Harvard and MIT, Cambridge, MA.
Jin Hua LiangDivision of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, Boston, MA.
Chang JiangDivision of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, Boston, MA.ORCID 0000-0001-6417-2096
Yijie MaDivision of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, Boston, MA.ORCID 0000-0002-8750-8354
Mingxiang TengDepartment of Biostatistics and Bioinformatics, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL.
Vamsi K MoothaBroad Institute of Harvard and MIT, Cambridge, MA.ORCID 0000-0001-9924-642X
Benjamin E GewurzDivision of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, Boston, MA.ORCID 0000-0002-3965-3418
Broad Institute · USMoffitt Cancer Center · US

Funding

Epstein-Barr virus LMP1 mediated oncogenicityR01CA228700 · NCI · BRIGHAM AND WOMEN'S HOSPITAL · PI Benjamin Elison Gewurz · 2019 to 2026
$3.3M
Metabolic Network Remodeling in Epstein-Barr Virus LymphomagenesisR01AI137337 · NIAID · BRIGHAM AND WOMEN'S HOSPITAL · PI GEWURZ, BENJAMIN ELISON · 2018 to 2022
$2.2M
6 · The paper itself

Abstract

Epstein-Barr virus (EBV) causes endemic Burkitt lymphoma, the leading childhood cancer in sub-Saharan Africa. Burkitt cells retain aspects of germinal center B-cell physiology with MYC-driven B-cell hyperproliferation; however, little is presently known about their iron metabolism. CRISPR/Cas9 analysis highlighted the little-studied ferrireductase CYB561A3 as critical for Burkitt proliferation but not for that of the closely related EBV-transformed lymphoblastoid cells or nearly all other Cancer Dependency Map cell lines. Burkitt CYB561A3 knockout induced profound iron starvation, despite ferritinophagy ad plasma membrane transferrin upregulation. Elevated concentrations of ascorbic acid, a key CYB561 family electron donor, or the labile iron source ferrous citrate rescued Burkitt CYB561A3 deficiency. CYB561A3 knockout caused catastrophic lysosomal and mitochondrial damage and impaired mitochondrial respiration. Conversely, lymphoblastoid B cells with the transforming EBV latency III program were instead dependent on the STEAP3 ferrireductase. These results highlight CYB561A3 as an attractive therapeutic Burkitt lymphoma target.

Indexed as

Gene Expression Regulation, NeoplasticB-LymphocytesBurkitt LymphomaCell Line, TumorCell ProliferationCRISPR-Cas SystemsCytochromes bEpstein-Barr Virus InfectionsFMN ReductaseHEK293 CellsHerpesvirus 4, HumanHumansLysosomesMitochondriaCYB561A3 protein, humanCytochromes bferric citrate iron reductaseFMN Reductase

Identifiers

PMID34232987
PMCPMC8641094
OpenAlexW3180937600

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.