Evidence map›Paper›PMID 21665949›Full record

ArticleThe Journal of biological chemistry2011

Control of megakaryocyte expansion and bone marrow fibrosis by lysyl oxidase.

Alexia Eliades, Nikolaos Papadantonakis, Ajoy Bhupatiraju, Kelley A Burridge, Hillary A Johnston-Cox, Anna Rita Migliaccio, John D Crispino, Hector A Lucero, Philip C Trackman, Katya Ravid

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 61 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
61citing papers in PubMed, 1 pooled it
1.5field-weighted citation impact, top 19% 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

61 citing papers in PubMed, 1 synthesis or guideline pooled it, 98 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Review
  4. Article
  5. Article
  6. Review
  7. Review
  8. Investigational drugs in early phase trials for myelofibrosis.Expert opinion on investigational drugs · 2024
    Review
  9. Review
  10. Article
  11. Article
  12. Review
  13. Article
  14. Article
  15. Review
  16. Review
  17. Article
  18. Review
  19. Article
  20. Review

1 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

10 authors at 3 institutions in 1 country.

Alexia EliadesDepartment of Biochemistry, Boston University School of Medicine, Boston, Massachusetts 02118, USA.
Nikolaos Papadantonakis
Ajoy Bhupatiraju
Kelley A Burridge
Hillary A Johnston-Cox
Anna Rita Migliaccio
John D Crispino
Hector A Lucero
Philip C Trackman
Katya Ravid
Boston University · USIcahn School of Medicine at Mount Sinai · USNorthwestern University · US

Funding

Mechanisms Regulating Megakaryocyte EndomitosisR01HL080442 · NHLBI · BOSTON UNIVERSITY MEDICAL CAMPUS · PI RAVID, KATYA · 2006 to 2015
$3.6M
Inhibited Intramembranous Bone Healing in DiabetesR01DE014066 · NIDCR · BOSTON UNIVERSITY MEDICAL CAMPUS · PI TRACKMAN, PHILIP C · 2003 to 2013
$3.0M
NHLBI NIH HHS HL80442NHLBI NIH HHS R01 HL080442NIDCR NIH HHS R01 DE014066
6 · The paper itself

Abstract

Lysyl oxidase (LOX), a matrix cross-linking protein, is known to be selectively expressed and to enhance a fibrotic phenotype. A recent study of ours showed that LOX oxidizes the PDGF receptor-β (PDGFR-β), leading to amplified downstream signaling. Here, we examined the expression and functions of LOX in megakaryocytes (MKs), the platelet precursors. Cells committed to the MK lineage undergo mitotic proliferation to yield diploid cells, followed by endomitosis and acquisition of polyploidy. Intriguingly, LOX expression is detected in diploid-tetraploid MKs, but scarce in polyploid MKs. PDGFR-BB is an inducer of mitotic proliferation in MKs. LOX inhibition with β-aminopropionitrile reduces PDGFR-BB binding to cells and downstream signaling, as well as its proliferative effect on the MK lineage. Inhibition of LOX activity has no influence on MK polyploidy. We next rationalized that, in a system with an abundance of low ploidy MKs, LOX could be highly expressed and with functional significance. Thus, we resorted to GATA-1(low) mice, where there is an increase in low ploidy MKs, augmented levels of PDGF-BB, and an extensive matrix of fibers. MKs from these mice display high expression of LOX, compared with control mice. Importantly, treatment of GATA-1(low) mice with β-aminopropionitrile significantly improves the bone marrow fibrotic phenotype, and MK number in the spleen. Thus, our in vitro and in vivo data support a novel role for LOX in regulating MK expansion by PDGF-BB and suggest LOX as a new potential therapeutic target for myelofibrosis.

Indexed as

AnimalsBlotting, WesternBone MarrowCell DivisionFlow CytometryFluorescent Antibody TechniqueMaleMegakaryocytesMicePolyploidyPrimary MyelofibrosisProtein-Lysine 6-OxidaseReceptor, Platelet-Derived Growth Factor betaRNA, MessengerProtein-Lysine 6-OxidaseReceptor, Platelet-Derived Growth Factor betaRNA, Messenger

Identifiers

PMID21665949
PMCPMC3149354
OpenAlexW2102579732

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.