Evidence map›Paper›PMID 18559500›Full record

ArticleCancer research2008

Serine/arginine protein-specific kinase 2 promotes leukemia cell proliferation by phosphorylating acinus and regulating cyclin A1.

Sung-Wuk Jang, Seung-Ju Yang, Asa Ehlén, Shaozhong Dong, Hanna Khoury, Jing Chen, Jenny L Persson, Keqiang Ye

Open access · greenAbstract read
In one paragraph

Article in Cancer research, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 57 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
57citing papers in PubMed, 1 pooled it
1.9field-weighted citation impact, top 14% 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

57 citing papers in PubMed, 1 synthesis or guideline pooled it, 104 citations in OpenAlex.

  1. Oncogenic Role of SRPK2 in Different Types of Cancer: A Systematic Review.Journal of cellular and molecular medicine · 2026
    Pooled it
  2. ALYREF-mediated mInternational journal of biological sciences · 2026
    Article
  3. Article
  4. GmCDC7 is involved in coordinating seed size and quality in soybean.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025
    Article
  5. Article
  6. Review
  7. Article
  8. Complete miRNA-15/16 loss in mice promotes hematopoietic progenitor expansion and a myeloid-biased hyperproliferative state.Proceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  9. Review
  10. Review
  11. Article
  12. Article
  13. Article
  14. Article
  15. Observational
  16. Article
  17. Article
  18. Article
  19. Article
  20. 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 4 institutions in 2 countries.

Sung-Wuk JangDepartment of Pathology and Laboratory Medicine and Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia, USA.
Seung-Ju Yang
Asa Ehlén
Shaozhong Dong
Hanna Khoury
Jing Chen
Jenny L Persson
Keqiang Ye
The University of Texas MD Anderson Cancer Center · USLund University · SEEmory University · USEmory University Hospital · US

Funding

Nuclear GTPase PIKE Regulation and FunctionsR01NS045627 · NINDS · EMORY UNIVERSITY · PI YE, KEQIANG · 2004 to 2013
$3.1M
Phosphorylation of Acinus Regulates its Biological FunctionsR01NS060680 · NINDS · EMORY UNIVERSITY · PI YE, KEQIANG · 2009 to 2013
$1.7M
NINDS NIH HHS R01 NS045627NINDS NIH HHS R01 NS060680
6 · The paper itself

Abstract

Serine/arginine (SR) protein-specific kinase (SRPK), a family of cell cycle-regulated protein kinases, phosphorylate SR domain-containing proteins in nuclear speckles and mediate the pre-mRNA splicing. However, the physiologic roles of this event in cell cycle are incompletely understood. Here, we show that SRPK2 binds and phosphorylates acinus, an SR protein essential for RNA splicing, and redistributes it from the nuclear speckles to the nucleoplasm, resulting in cyclin A1 but not A2 up-regulation. Acinus S422D, an SRPK2 phosphorylation mimetic, enhances cyclin A1 transcription, whereas acinus S422A, an unphosphorylatable mutant, blocks the stimulatory effect of SRPK2. Ablation of acinus or SRPK2 abrogates cyclin A1 expression in leukemia cells and arrest cells at G(1) phase. Overexpression of acinus or SRPK2 increases leukemia cell proliferation. Furthermore, both SRPK2 and acinus are overexpressed in some human acute myelogenous leukemia patients and correlate with elevated cyclin A1 expression levels, fitting with the oncogenic activity of cyclin A1 in leukemia. Thus, our findings establish a molecular mechanism by which SR splicing machinery regulates cell cycle and contributes to leukemia tumorigenesis.

Indexed as

Cell ProliferationBone MarrowCell CycleCell NucleusCyclin ACyclin A1Flow CytometryFluorescent Antibody TechniqueHumansImmunoblottingImmunoprecipitationLeukemiaNuclear ProteinsPhosphorylationProtein Serine-Threonine KinasesProtein TransportACIN1 protein, humanCCNA1 protein, humanCyclin ACyclin A1Nuclear ProteinsProtein Serine-Threonine KinasesProto-Oncogene Proteins c-aktSerineSRPK2 protein, human

Identifiers

PMID18559500
PMCPMC2805021
OpenAlexW2124681828

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.